crate does not compile as no_std

[ccbrown]

cargo check --no-default-features --features alloc

Results in:

    Checking thingbuf v0.1.1 (/Users/chris/repos/github.com/hawkw/thingbuf)
error[E0433]: failed to resolve: could not find `unreachable_unchecked` in the crate root
   --> src/macros.rs:100:16
    |
100 |         crate::unreachable_unchecked!(@inner , format_args!(": {}", format_args!($($arg)*)))
    |                ^^^^^^^^^^^^^^^^^^^^^ could not find `unreachable_unchecked` in the crate root
    |
   ::: src/util/panic.rs:25:9
    |
25  |         unreachable_unchecked!("code compiled with no_std cannot unwind!")
    |         ------------------------------------------------------------------ in this macro invocation
    |
    = note: this error originates in the macro `unreachable_unchecked` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/lib.rs:169:9
    |
169 |         test_println!("Core::close");
    |         ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/lib.rs:185:9
    |
185 |         test_println!("push_ref");
    |         ------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/lib.rs:224:25
    |
224 |                         test_println!("claimed tail slot [{}]", idx);
    |                         -------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/lib.rs:235:33
    |
235 | ...                   test_println!("-> initialized");
    |                       ------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/lib.rs:240:33
    |
240 | ...                   test_println!("-> recycled");
    |                       ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/lib.rs:270:21
    |
270 |                     test_println!("channel full");
    |                     ----------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/lib.rs:285:9
    |
285 |         test_println!("pop_ref");
    |         ------------------------ in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/lib.rs:322:25
    |
322 |                         test_println!("claimed head slot [{}]", idx);
    |                         -------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/lib.rs:352:25
    |
352 |                         test_println!("--> channel full!");
    |                         ---------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/lib.rs:478:9
    |
478 |         test_println!("drop Ref<{}>", core::any::type_name::<T>());
    |         ---------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
  --> src/macros.rs:7:17
   |
7  |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
   |                 ^^^^^^^
   |
  ::: src/wait.rs:79:9
   |
79 |         test_println!("WAKING TASK {:?} (from {:?})", self, thread::current());
   |         ---------------------------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:602:9
    |
602 |         test_println!("List::remove({:p})", node);
    |         ----------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:578:9
    |
578 |         test_println!("List::dequeue({:?}) -> {:p}", new_state, last);
    |         ------------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:549:9
    |
549 |         test_println!("List::enqueue({:p})", waiter);
    |         -------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:473:9
    |
473 |         test_println!("Waiter::remove({:p})", self);
    |         ------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:444:9
    |
444 |         test_println!("WaitQueue::close()");
    |         ----------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:399:9
    |
399 |         test_println!("WaitQueue::notify_slow(state: {})", state);
    |         --------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:371:9
    |
371 |         test_println!("WaitQueue::notify()");
    |         ------------------------------------ in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:327:9
    |
327 |         test_println!("WaitQueue::continue_wait_slow({:p})", node);
    |         ---------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:302:9
    |
302 |         test_println!("WaitQueue::continue_wait({:p})", node);
    |         ----------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:209:9
    |
209 |         test_println!("WaitQueue::start_wait_slow({:p})", node);
    |         ------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/queue.rs:189:9
    |
189 |         test_println!("WaitQueue::start_wait({:p})", node);
    |         -------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/cell.rs:161:9
    |
161 |         test_println!("notifying; close={:?};", close);
    |         ---------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/wait/cell.rs:112:17
    |
112 |                 test_println!("-> was notified; state={:?}", actual);
    |                 ---------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
  --> src/macros.rs:7:17
   |
7  |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
   |                 ^^^^^^^
   |
  ::: src/wait/cell.rs:89:9
   |
89 |         test_println!("-> locked!");
   |         --------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
  --> src/macros.rs:7:17
   |
7  |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
   |                 ^^^^^^^
   |
  ::: src/wait/cell.rs:66:9
   |
66 |         test_println!("registering waiter");
   |         ----------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
  --> src/macros.rs:7:17
   |
7  |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
   |                 ^^^^^^^
   |
  ::: src/util.rs:60:9
   |
60 |         test_println!("thread::yield_now()");
   |         ------------------------------------ in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
  --> src/macros.rs:7:17
   |
7  |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
   |                 ^^^^^^^
   |
  ::: src/util.rs:57:13
   |
57 |             test_println!("hint::spin_loop() (x{})", 1 << self.0);
   |             ----------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
  --> src/macros.rs:7:17
   |
7  |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
   |                 ^^^^^^^
   |
  ::: src/util/mutex/spin_impl.rs:93:9
   |
93 |         test_println!("unlocked!");
   |         -------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
  --> src/macros.rs:7:17
   |
7  |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
   |                 ^^^^^^^
   |
  ::: src/util/mutex/spin_impl.rs:48:9
   |
48 |         test_println!("-> locked {}!", core::any::type_name::<T>());
   |         ----------------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
  --> src/macros.rs:7:17
   |
7  |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
   |                 ^^^^^^^
   |
  ::: src/util/mutex/spin_impl.rs:40:9
   |
40 |         test_println!("locking {}...", core::any::type_name::<T>());
   |         ----------------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
    --> src/macros.rs:7:17
     |
7    |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
     |                 ^^^^^^^
     |
    ::: src/mpsc/async_impl.rs:1358:9
     |
1358 |         test_println!("SendRefFuture::drop({:p})", self);
     |         ------------------------------------------------ in this macro invocation
     |
     = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
    --> src/macros.rs:7:17
     |
7    |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
     |                 ^^^^^^^
     |
    ::: src/mpsc/async_impl.rs:1299:9
     |
1299 |         test_println!("SendRefFuture::poll({:p})", self);
     |         ------------------------------------------------ in this macro invocation
     |
     = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/mpsc.rs:484:9
    |
484 |         test_println!("notifying tx ({})", core::any::type_name::<N>());
    |         --------------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/mpsc.rs:476:9
    |
476 |         test_println!("notifying rx ({})", core::any::type_name::<N>());
    |         --------------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/mpsc.rs:395:21
    |
395 |                     test_println!("-> yield");
    |                     ------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/mpsc.rs:382:13
    |
382 |             test_println!("poll_recv_ref => loop");
    |             -------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/mpsc.rs:380:9
    |
380 |         test_println!("poll_recv_ref");
    |         ------------------------------ in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find macro `println` in this scope
   --> src/macros.rs:7:17
    |
7   |                 println!("[PANIC {:>30}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
    |                 ^^^^^^^
    |
   ::: src/mpsc.rs:322:13
    |
322 |             test_println!("draining_queue");
    |             ------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/mpsc.rs:322:13
    |
322 |             test_println!("draining_queue");
    |             ------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/mpsc.rs:380:9
    |
380 |         test_println!("poll_recv_ref");
    |         ------------------------------ in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/mpsc.rs:382:13
    |
382 |             test_println!("poll_recv_ref => loop");
    |             -------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/mpsc.rs:395:21
    |
395 |                     test_println!("-> yield");
    |                     ------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/mpsc.rs:476:9
    |
476 |         test_println!("notifying rx ({})", core::any::type_name::<N>());
    |         --------------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/mpsc.rs:484:9
    |
484 |         test_println!("notifying tx ({})", core::any::type_name::<N>());
    |         --------------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
    --> src/macros.rs:11:34
     |
11   |                     crate::loom::thread::current().id(),
     |                                  ^^^^^^ could not find `thread` in `loom`
     |
    ::: src/mpsc/async_impl.rs:1299:9
     |
1299 |         test_println!("SendRefFuture::poll({:p})", self);
     |         ------------------------------------------------ in this macro invocation
     |
     = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
    --> src/macros.rs:11:34
     |
11   |                     crate::loom::thread::current().id(),
     |                                  ^^^^^^ could not find `thread` in `loom`
     |
    ::: src/mpsc/async_impl.rs:1358:9
     |
1358 |         test_println!("SendRefFuture::drop({:p})", self);
     |         ------------------------------------------------ in this macro invocation
     |
     = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
  --> src/macros.rs:11:34
   |
11 |                     crate::loom::thread::current().id(),
   |                                  ^^^^^^ could not find `thread` in `loom`
   |
  ::: src/util/mutex/spin_impl.rs:40:9
   |
40 |         test_println!("locking {}...", core::any::type_name::<T>());
   |         ----------------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
  --> src/macros.rs:11:34
   |
11 |                     crate::loom::thread::current().id(),
   |                                  ^^^^^^ could not find `thread` in `loom`
   |
  ::: src/util/mutex/spin_impl.rs:48:9
   |
48 |         test_println!("-> locked {}!", core::any::type_name::<T>());
   |         ----------------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
  --> src/macros.rs:11:34
   |
11 |                     crate::loom::thread::current().id(),
   |                                  ^^^^^^ could not find `thread` in `loom`
   |
  ::: src/util/mutex/spin_impl.rs:93:9
   |
93 |         test_println!("unlocked!");
   |         -------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
  --> src/macros.rs:11:34
   |
11 |                     crate::loom::thread::current().id(),
   |                                  ^^^^^^ could not find `thread` in `loom`
   |
  ::: src/util.rs:57:13
   |
57 |             test_println!("hint::spin_loop() (x{})", 1 << self.0);
   |             ----------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
  --> src/macros.rs:11:34
   |
11 |                     crate::loom::thread::current().id(),
   |                                  ^^^^^^ could not find `thread` in `loom`
   |
  ::: src/util.rs:60:9
   |
60 |         test_println!("thread::yield_now()");
   |         ------------------------------------ in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
  --> src/macros.rs:11:34
   |
11 |                     crate::loom::thread::current().id(),
   |                                  ^^^^^^ could not find `thread` in `loom`
   |
  ::: src/wait/cell.rs:66:9
   |
66 |         test_println!("registering waiter");
   |         ----------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
  --> src/macros.rs:11:34
   |
11 |                     crate::loom::thread::current().id(),
   |                                  ^^^^^^ could not find `thread` in `loom`
   |
  ::: src/wait/cell.rs:89:9
   |
89 |         test_println!("-> locked!");
   |         --------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/cell.rs:112:17
    |
112 |                 test_println!("-> was notified; state={:?}", actual);
    |                 ---------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/cell.rs:161:9
    |
161 |         test_println!("notifying; close={:?};", close);
    |         ---------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:189:9
    |
189 |         test_println!("WaitQueue::start_wait({:p})", node);
    |         -------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:209:9
    |
209 |         test_println!("WaitQueue::start_wait_slow({:p})", node);
    |         ------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:302:9
    |
302 |         test_println!("WaitQueue::continue_wait({:p})", node);
    |         ----------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:327:9
    |
327 |         test_println!("WaitQueue::continue_wait_slow({:p})", node);
    |         ---------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:371:9
    |
371 |         test_println!("WaitQueue::notify()");
    |         ------------------------------------ in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:399:9
    |
399 |         test_println!("WaitQueue::notify_slow(state: {})", state);
    |         --------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:444:9
    |
444 |         test_println!("WaitQueue::close()");
    |         ----------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:473:9
    |
473 |         test_println!("Waiter::remove({:p})", self);
    |         ------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:549:9
    |
549 |         test_println!("List::enqueue({:p})", waiter);
    |         -------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:578:9
    |
578 |         test_println!("List::dequeue({:?}) -> {:p}", new_state, last);
    |         ------------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/wait/queue.rs:602:9
    |
602 |         test_println!("List::remove({:p})", node);
    |         ----------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
  --> src/macros.rs:11:34
   |
11 |                     crate::loom::thread::current().id(),
   |                                  ^^^^^^ could not find `thread` in `loom`
   |
  ::: src/wait.rs:79:9
   |
79 |         test_println!("WAKING TASK {:?} (from {:?})", self, thread::current());
   |         ---------------------------------------------------------------------- in this macro invocation
   |
   = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: use of undeclared crate or module `thread`
  --> src/wait.rs:79:61
   |
79 |         test_println!("WAKING TASK {:?} (from {:?})", self, thread::current());
   |                                                             ^^^^^^ use of undeclared crate or module `thread`

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/lib.rs:169:9
    |
169 |         test_println!("Core::close");
    |         ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: use of undeclared crate or module `std`
   --> src/lib.rs:170:12
    |
170 |         if std::thread::panicking() {
    |            ^^^ use of undeclared crate or module `std`

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/lib.rs:185:9
    |
185 |         test_println!("push_ref");
    |         ------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/lib.rs:224:25
    |
224 |                         test_println!("claimed tail slot [{}]", idx);
    |                         -------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/lib.rs:235:33
    |
235 | ...                   test_println!("-> initialized");
    |                       ------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/lib.rs:240:33
    |
240 | ...                   test_println!("-> recycled");
    |                       ---------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/lib.rs:270:21
    |
270 |                     test_println!("channel full");
    |                     ----------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/lib.rs:285:9
    |
285 |         test_println!("pop_ref");
    |         ------------------------ in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/lib.rs:322:25
    |
322 |                         test_println!("claimed head slot [{}]", idx);
    |                         -------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/lib.rs:352:25
    |
352 |                         test_println!("--> channel full!");
    |                         ---------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0433]: failed to resolve: could not find `thread` in `loom`
   --> src/macros.rs:11:34
    |
11  |                     crate::loom::thread::current().id(),
    |                                  ^^^^^^ could not find `thread` in `loom`
    |
   ::: src/lib.rs:478:9
    |
478 |         test_println!("drop Ref<{}>", core::any::type_name::<T>());
    |         ---------------------------------------------------------- in this macro invocation
    |
    = note: this error originates in the macro `test_println` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0412]: cannot find type `Box` in this scope
  --> src/mpsc/async_impl.rs:72:16
   |
72 |         slots: Box<[Slot<T>]>,
   |                ^^^ not found in this scope
   |
help: consider importing this struct
   |
1  | use alloc::boxed::Box;
   |

error[E0412]: cannot find type `Box` in this scope
   --> src/lib.rs:519:56
    |
519 |     pub(crate) fn make_boxed_array(capacity: usize) -> Box<[Self]> {
    |                                                        ^^^ not found in this scope
    |
help: consider importing this struct
    |
5   | use alloc::boxed::Box;
    |

error[E0392]: parameter `T` is never used
  --> src/mpsc/async_impl.rs:57:25
   |
57 |     pub struct Receiver<T, R = recycling::DefaultRecycle> {
   |                         ^ unused parameter
   |
   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
   = help: if you intended `T` to be a const parameter, use `const T: usize` instead

error[E0392]: parameter `T` is never used
  --> src/mpsc/async_impl.rs:66:23
   |
66 |     pub struct Sender<T, R = recycling::DefaultRecycle> {
   |                       ^ unused parameter
   |
   = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
   = help: if you intended `T` to be a const parameter, use `const T: usize` instead

Some errors have detailed explanations: E0392, E0412, E0433.
For more information about an error, try `rustc --explain E0392`.
error: could not compile `thingbuf` due to 85 previous errors

At a glance:

• There are printlns gated behind if cfg!(test) || cfg!(all(thingbuf_trace, feature = "std")) instead of #[cfg(any(test, all(thingbuf_trace, feature = "std")))].
• Core::close references std::thread::panicking()
• Box is used without being imported from alloc::boxed::Box.

[hawkw]

Sorry, my bad; I was checking no-std support manually rather than on CI, which, as we all know, was definitely a mistake. Should have a new release that builds with --no-default-features shortly!

[hawkw]

Version 0.1.2 should fix this, sorry for any inconvenience!