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Fix crate_type attribute to not warn on duplicates #95910

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merged 1 commit into from
Apr 12, 2022
Merged

Fix crate_type attribute to not warn on duplicates #95910

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2 changes: 1 addition & 1 deletion compiler/rustc_feature/src/builtin_attrs.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -310,7 +310,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[

// Crate properties:
ungated!(crate_name, CrateLevel, template!(NameValueStr: "name"), FutureWarnFollowing),
ungated!(crate_type, CrateLevel, template!(NameValueStr: "bin|lib|..."), FutureWarnFollowing),
ungated!(crate_type, CrateLevel, template!(NameValueStr: "bin|lib|..."), DuplicatesOk),
// crate_id is deprecated
ungated!(crate_id, CrateLevel, template!(NameValueStr: "ignored"), FutureWarnFollowing),

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3 changes: 0 additions & 3 deletions src/test/ui/lint/unused/unused-attr-duplicate.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,6 @@
#![crate_name = "unused_attr_duplicate"]
#![crate_name = "unused_attr_duplicate2"] //~ ERROR unused attribute
//~^ WARN this was previously accepted
#![crate_type = "bin"]
#![crate_type = "rlib"] //~ ERROR unused attribute
//~^ WARN this was previously accepted
#![recursion_limit = "128"]
#![recursion_limit = "256"] //~ ERROR unused attribute
//~^ WARN this was previously accepted
Expand Down
101 changes: 44 additions & 57 deletions src/test/ui/lint/unused/unused-attr-duplicate.stderr
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
error: unused attribute
--> $DIR/unused-attr-duplicate.rs:36:1
--> $DIR/unused-attr-duplicate.rs:33:1
|
LL | #[no_link]
| ^^^^^^^^^^ help: remove this attribute
Expand All @@ -10,180 +10,180 @@ note: the lint level is defined here
LL | #![deny(unused_attributes)]
| ^^^^^^^^^^^^^^^^^
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:35:1
--> $DIR/unused-attr-duplicate.rs:32:1
|
LL | #[no_link]
| ^^^^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:40:1
--> $DIR/unused-attr-duplicate.rs:37:1
|
LL | #[macro_use]
| ^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:39:1
--> $DIR/unused-attr-duplicate.rs:36:1
|
LL | #[macro_use]
| ^^^^^^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:50:1
--> $DIR/unused-attr-duplicate.rs:47:1
|
LL | #[path = "bar.rs"]
| ^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:49:1
--> $DIR/unused-attr-duplicate.rs:46:1
|
LL | #[path = "auxiliary/lint_unused_extern_crate.rs"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:56:1
--> $DIR/unused-attr-duplicate.rs:53:1
|
LL | #[ignore = "some text"]
| ^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:55:1
--> $DIR/unused-attr-duplicate.rs:52:1
|
LL | #[ignore]
| ^^^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:58:1
--> $DIR/unused-attr-duplicate.rs:55:1
|
LL | #[should_panic(expected = "values don't match")]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:57:1
--> $DIR/unused-attr-duplicate.rs:54:1
|
LL | #[should_panic]
| ^^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:63:1
--> $DIR/unused-attr-duplicate.rs:60:1
|
LL | #[must_use = "some message"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:62:1
--> $DIR/unused-attr-duplicate.rs:59:1
|
LL | #[must_use]
| ^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:69:1
--> $DIR/unused-attr-duplicate.rs:66:1
|
LL | #[non_exhaustive]
| ^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:68:1
--> $DIR/unused-attr-duplicate.rs:65:1
|
LL | #[non_exhaustive]
| ^^^^^^^^^^^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:73:1
--> $DIR/unused-attr-duplicate.rs:70:1
|
LL | #[automatically_derived]
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:72:1
--> $DIR/unused-attr-duplicate.rs:69:1
|
LL | #[automatically_derived]
| ^^^^^^^^^^^^^^^^^^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:77:1
--> $DIR/unused-attr-duplicate.rs:74:1
|
LL | #[inline(never)]
| ^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:76:1
--> $DIR/unused-attr-duplicate.rs:73:1
|
LL | #[inline(always)]
| ^^^^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:80:1
--> $DIR/unused-attr-duplicate.rs:77:1
|
LL | #[cold]
| ^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:79:1
--> $DIR/unused-attr-duplicate.rs:76:1
|
LL | #[cold]
| ^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:82:1
--> $DIR/unused-attr-duplicate.rs:79:1
|
LL | #[track_caller]
| ^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:81:1
--> $DIR/unused-attr-duplicate.rs:78:1
|
LL | #[track_caller]
| ^^^^^^^^^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:95:1
--> $DIR/unused-attr-duplicate.rs:92:1
|
LL | #[export_name = "exported_symbol_name"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:97:1
--> $DIR/unused-attr-duplicate.rs:94:1
|
LL | #[export_name = "exported_symbol_name2"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:101:1
--> $DIR/unused-attr-duplicate.rs:98:1
|
LL | #[no_mangle]
| ^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:100:1
--> $DIR/unused-attr-duplicate.rs:97:1
|
LL | #[no_mangle]
| ^^^^^^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:105:1
--> $DIR/unused-attr-duplicate.rs:102:1
|
LL | #[used]
| ^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:104:1
--> $DIR/unused-attr-duplicate.rs:101:1
|
LL | #[used]
| ^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:89:5
--> $DIR/unused-attr-duplicate.rs:86:5
|
LL | #[link_name = "this_does_not_exist"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:91:5
--> $DIR/unused-attr-duplicate.rs:88:5
|
LL | #[link_name = "rust_dbg_extern_identity_u32"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Expand All @@ -205,102 +205,89 @@ LL | #![crate_name = "unused_attr_duplicate"]
error: unused attribute
--> $DIR/unused-attr-duplicate.rs:17:1
|
LL | #![crate_type = "rlib"]
| ^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:16:1
|
LL | #![crate_type = "bin"]
| ^^^^^^^^^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:20:1
|
LL | #![recursion_limit = "256"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:19:1
--> $DIR/unused-attr-duplicate.rs:16:1
|
LL | #![recursion_limit = "128"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:23:1
--> $DIR/unused-attr-duplicate.rs:20:1
|
LL | #![type_length_limit = "1"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:22:1
--> $DIR/unused-attr-duplicate.rs:19:1
|
LL | #![type_length_limit = "1048576"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:26:1
--> $DIR/unused-attr-duplicate.rs:23:1
|
LL | #![no_std]
| ^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:25:1
--> $DIR/unused-attr-duplicate.rs:22:1
|
LL | #![no_std]
| ^^^^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:28:1
--> $DIR/unused-attr-duplicate.rs:25:1
|
LL | #![no_implicit_prelude]
| ^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:27:1
--> $DIR/unused-attr-duplicate.rs:24:1
|
LL | #![no_implicit_prelude]
| ^^^^^^^^^^^^^^^^^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:30:1
--> $DIR/unused-attr-duplicate.rs:27:1
|
LL | #![windows_subsystem = "windows"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:29:1
--> $DIR/unused-attr-duplicate.rs:26:1
|
LL | #![windows_subsystem = "console"]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:33:1
--> $DIR/unused-attr-duplicate.rs:30:1
|
LL | #![no_builtins]
| ^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:32:1
--> $DIR/unused-attr-duplicate.rs:29:1
|
LL | #![no_builtins]
| ^^^^^^^^^^^^^^^

error: unused attribute
--> $DIR/unused-attr-duplicate.rs:43:5
--> $DIR/unused-attr-duplicate.rs:40:5
|
LL | #[macro_export]
| ^^^^^^^^^^^^^^^ help: remove this attribute
|
note: attribute also specified here
--> $DIR/unused-attr-duplicate.rs:42:5
--> $DIR/unused-attr-duplicate.rs:39:5
|
LL | #[macro_export]
| ^^^^^^^^^^^^^^^

error: aborting due to 24 previous errors
error: aborting due to 23 previous errors