ICE overflow or prior type error

[dhra]

Code

cargo.toml

rocket = {version = "0.5.0-rc.1", features = [
  "json",
]}
sea-orm = {version = "^0", features = ["sqlx-postgres", "runtime-tokio-native-tls", "macros"], default-features = false}
serde_json = {version = "^1"}

main.rs

#[macro_use] extern crate rocket;

#[get("/")]
fn index() -> &'static str {
    "Hello, world!"
}

#[launch]
fn rocket() -> _ {
    rocket::build().mount("/", routes![index])
}

Meta

rustc --version --verbose:

rustc 1.60.0-nightly (0c292c966 2022-02-08)
binary: rustc
commit-hash: 0c292c9667f1b202a9150d58bdd2e89e3e803996
commit-date: 2022-02-08
host: x86_64-unknown-linux-gnu
release: 1.60.0-nightly
LLVM version: 13.0.0

Error output

error: internal compiler error: encountered ambiguity selecting `Binder(<response::stream::reader::ReaderStream<impl futures::Stream<Item = response::stream::raw_sse::RawLinedEvent>> as std::convert::From<impl futures::Stream<Item = response::stream::raw_sse::RawLinedEvent>>>, [])` during codegen, presuming due to overflow or prior type error
  |
  = note: delayed at compiler/rustc_trait_selection/src/traits/codegen.rs:54:32

thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:1176:13
stack backtrace:
   0:     0x7f65513879fc - std::backtrace_rs::backtrace::libunwind::trace::hef696c91488c46df
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f65513879fc - std::backtrace_rs::backtrace::trace_unsynchronized::h76c93ef0698d26b2
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f65513879fc - std::sys_common::backtrace::_print_fmt::h93575aa503bf6e1b
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/sys_common/backtrace.rs:66:5
   3:     0x7f65513879fc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h40967adecfbc037b
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/sys_common/backtrace.rs:45:22
   4:     0x7f65513e90dc - core::fmt::write::h03044e853df7d223
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/core/src/fmt/mod.rs:1190:17
   5:     0x7f6551377d28 - std::io::Write::write_fmt::h86bffabfad56f13c
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/io/mod.rs:1657:15
   6:     0x7f655138b977 - std::sys_common::backtrace::_print::hd28d8aed16472cc0
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/sys_common/backtrace.rs:48:5
   7:     0x7f655138b977 - std::sys_common::backtrace::print::h8f98cdd641cb45a3
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/sys_common/backtrace.rs:35:9
   8:     0x7f655138b977 - std::panicking::default_hook::{{closure}}::h729dcf0a13bd0685
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/panicking.rs:295:22
   9:     0x7f655138b63f - std::panicking::default_hook::h5f6c637024d9ad69
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/panicking.rs:314:9
  10:     0x7f6551b6d681 - rustc_driver[a83f25a8e01ca780]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f653cdeb293 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8584db36e9a0cedb
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/alloc/src/boxed.rs:1868:9
  12:     0x7f653ceca2cc - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::hb48d95df4fe9c900
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/proc_macro/src/bridge/client.rs:319:21
  13:     0x7f653cdf5570 - std::panicking::update_hook::{{closure}}::hbe32894dfc936f46
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/panicking.rs:258:41
  14:     0x7f655138c255 - std::panicking::rust_panic_with_hook::h46cff6766bf99e7c
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/panicking.rs:702:17
  15:     0x7f655138bf07 - std::panicking::begin_panic_handler::{{closure}}::h0e775b2aa2b67693
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/panicking.rs:588:13
  16:     0x7f6551387ea4 - std::sys_common::backtrace::__rust_end_short_backtrace::h1863dd104b065b9d
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/sys_common/backtrace.rs:138:18
  17:     0x7f655138bc09 - rust_begin_unwind
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/panicking.rs:584:5
  18:     0x7f6551353b93 - core::panicking::panic_fmt::hfdeb0fcb6ce506f4
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/core/src/panicking.rs:143:14
  19:     0x7f6552c5e60c - core[efe43fe86f1c620a]::panicking::panic_display::<&str>
  20:     0x7f65542d93dd - <rustc_errors[6e799cab4439a167]::HandlerInner>::flush_delayed
  21:     0x7f65542d789d - <rustc_errors[6e799cab4439a167]::HandlerInner as core[efe43fe86f1c620a]::ops::drop::Drop>::drop
  22:     0x7f65539ff5e6 - core[efe43fe86f1c620a]::ptr::drop_in_place::<rustc_session[3b88a4bcbf196e76]::parse::ParseSess>
  23:     0x7f6553a01fda - <alloc[61df3a55352cbfc0]::rc::Rc<rustc_session[3b88a4bcbf196e76]::session::Session> as core[efe43fe86f1c620a]::ops::drop::Drop>::drop
  24:     0x7f65539f22ac - core[efe43fe86f1c620a]::ptr::drop_in_place::<rustc_interface[9582d0c3479cfa46]::interface::Compiler>
  25:     0x7f65539f2ac1 - rustc_span[20d03c4744d90449]::with_source_map::<core[efe43fe86f1c620a]::result::Result<(), rustc_errors[6e799cab4439a167]::ErrorReported>, rustc_interface[9582d0c3479cfa46]::interface::create_compiler_and_run<core[efe43fe86f1c620a]::result::Result<(), rustc_errors[6e799cab4439a167]::ErrorReported>, rustc_driver[a83f25a8e01ca780]::run_compiler::{closure#1}>::{closure#1}>
  26:     0x7f65539ef2d3 - rustc_interface[9582d0c3479cfa46]::interface::create_compiler_and_run::<core[efe43fe86f1c620a]::result::Result<(), rustc_errors[6e799cab4439a167]::ErrorReported>, rustc_driver[a83f25a8e01ca780]::run_compiler::{closure#1}>
  27:     0x7f65539d54e2 - std[3d6e7d7423cf4afe]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[9582d0c3479cfa46]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[9582d0c3479cfa46]::interface::run_compiler<core[efe43fe86f1c620a]::result::Result<(), rustc_errors[6e799cab4439a167]::ErrorReported>, rustc_driver[a83f25a8e01ca780]::run_compiler::{closure#1}>::{closure#0}, core[efe43fe86f1c620a]::result::Result<(), rustc_errors[6e799cab4439a167]::ErrorReported>>::{closure#0}, core[efe43fe86f1c620a]::result::Result<(), rustc_errors[6e799cab4439a167]::ErrorReported>>
  28:     0x7f65539d2c29 - <<std[3d6e7d7423cf4afe]::thread::Builder>::spawn_unchecked_<rustc_interface[9582d0c3479cfa46]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[9582d0c3479cfa46]::interface::run_compiler<core[efe43fe86f1c620a]::result::Result<(), rustc_errors[6e799cab4439a167]::ErrorReported>, rustc_driver[a83f25a8e01ca780]::run_compiler::{closure#1}>::{closure#0}, core[efe43fe86f1c620a]::result::Result<(), rustc_errors[6e799cab4439a167]::ErrorReported>>::{closure#0}, core[efe43fe86f1c620a]::result::Result<(), rustc_errors[6e799cab4439a167]::ErrorReported>>::{closure#1} as core[efe43fe86f1c620a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  29:     0x7f6551397ca3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf9ab37ec9b510857
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/alloc/src/boxed.rs:1854:9
  30:     0x7f6551397ca3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha1991051ebf83b9d
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/alloc/src/boxed.rs:1854:9
  31:     0x7f6551397ca3 - std::sys::unix::thread::Thread::new::thread_start::h5d1d180c2a38668b
                               at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/sys/unix/thread.rs:108:17
  32:     0x7f6551151a07 - <unknown>
  33:     0x7f65511d468c - <unknown>
  34:                0x0 - <unknown>

error: internal compiler error: unexpected panic

Backtrace

error: internal compiler error: encountered ambiguity selecting `Binder(<response::stream::reader::ReaderStream<impl futures::Stream<Item = response::stream::raw_sse::RawLinedEvent>> as std::convert::From<impl futures::Stream<Item = response::stream::raw_sse::RawLinedEvent>>>, [])` during codegen, presuming due to overflow or prior type error
  |
  = note: delayed at compiler/rustc_trait_selection/src/traits/codegen.rs:54:32

thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:1176:13
stack backtrace:
   0: rust_begin_unwind
             at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/std/src/panicking.rs:584:5
   1: core::panicking::panic_fmt
             at /rustc/0c292c9667f1b202a9150d58bdd2e89e3e803996/library/core/src/panicking.rs:143:14
   2: core::panicking::panic_display::<&str>
   3: <rustc_errors::HandlerInner>::flush_delayed
   4: <rustc_errors::HandlerInner as core::ops::drop::Drop>::drop
   5: core::ptr::drop_in_place::<rustc_session::parse::ParseSess>
   6: <alloc::rc::Rc<rustc_session::session::Session> as core::ops::drop::Drop>::drop
   7: core::ptr::drop_in_place::<rustc_interface::interface::Compiler>
   8: rustc_span::with_source_map::<core::result::Result<(), rustc_errors::ErrorReported>, rustc_interface::interface::create_compiler_and_run<core::result::Result<(), rustc_errors::ErrorReported>, rustc_driver::run_compiler::{closure#1}>::{closure#1}>
   9: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorReported>, rustc_driver::run_compiler::{closure#1}>

[hkratz]

Seems to be a duplicate of #93831.

[apiraino]

yes, definitely the same issue, thanks for the tip @hkratz

closing this as duplicate