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rust/tests/ui/nll
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Stuart Cook ea4e037dd7 Rollup merge of #133149 - estebank:niko-rustnation, r=wesleywiser 
Provide more context on `Fn` closure modifying binding

When modifying a binding from inside of an `Fn` closure, point at the binding definition and suggest using an `std::sync` type that would allow the code to compile.

```
error[E0594]: cannot assign to `counter`, as it is a captured variable in a `Fn` closure
 --> f703.rs:6:9
  |
4 |     let mut counter = 0;
  |         ----------- `counter` declared here, outside the closure
5 |     let x: Box<dyn Fn()> = Box::new(|| {
  |                                     -- in this closure
6 |         counter += 1;
  |         ^^^^^^^^^^^^ cannot assign
  |
  = help: consider using `std::sync::atomic::AtomicI32` instead, which allows for multiple threads to access and modify the value
```

This provides more context on where the binding being modified was declared, and more importantly, guides newcomers towards `std::sync` when encountering cases like these.

When the requirement comes from an argument of a local function, we already tell the user that they might want to change from `Fn` to `FnMut`:

```
error[E0594]: cannot assign to `x`, as it is a captured variable in a `Fn` closure
  --> $DIR/borrow-immutable-upvar-mutation.rs:21:27
   |
LL | fn to_fn<A: std::marker::Tuple, F: Fn<A>>(f: F) -> F {
   |                                              - change this to accept `FnMut` instead of `Fn`
...
LL |         let mut x = 0;
   |             ----- `x` declared here, outside the closure
LL |         let _f = to_fn(|| x = 42);
   |                  ----- -- ^^^^^^ cannot assign
   |                  |     |
   |                  |     in this closure
   |                  expects `Fn` instead of `FnMut`
   |
   = help: consider using `std::sync::atomic::AtomicI32` instead, which allows for multiple threads to access and modify the value
```

We might want to avoid the `help` in this case.

_Inspired by a [part of Niko's keynote at RustNation UK 2024](https://youtu.be/04gTQmLETFI?si=dgJL2OJRtuShkxdD&t=600)._
2025-11-04 13:44:47 +11:00
..
closure-requirements
reword note
2025-09-28 20:55:35 +00:00
member-constraints
Auto merge of #142071 - lcnr:revealing-use, r=compiler-errors
2025-08-15 18:52:12 +00:00
polonius
ignore boring locals when explaining borrow due to drop
2025-10-15 15:47:44 +00:00
relate_tys
Add tests for two untested cases of placeholder relations
2025-04-22 12:07:53 +02:00
ty-outlives
Make sure to account for the right item universal regions in borrowck
2025-07-30 04:07:19 +00:00
user-annotations
Do not suggest introducing lifetime in impl assoc type
2025-10-31 20:45:33 +00:00
assign-while-to-immutable.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
borrow-use-issue-46875.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
borrowck-thread-local-static-mut-borrow-outlives-fn.rs
Fix error message for static references or mutable references
2025-04-26 14:48:30 +09:00
borrowck-thread-local-static-mut-borrow-outlives-fn.stderr
bless tests with new lint messages
2025-08-19 21:27:10 +02:00
borrowed-local-error.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
borrowed-local-error.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
borrowed-match-issue-45045.rs
UI tests: add missing diagnostic kinds where possible
2025-04-08 23:06:31 +03:00
borrowed-match-issue-45045.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
borrowed-referent-issue-38899.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
borrowed-referent-issue-38899.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
borrowed-temporary-error.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
borrowed-temporary-error.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
borrowed-universal-error-2.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
borrowed-universal-error-2.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
borrowed-universal-error.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
borrowed-universal-error.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
cannot-move-block-spans.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
cannot-move-block-spans.stderr
More move error suggestions to clone
2024-04-11 16:41:41 +00:00
capture-mut-ref.fixed
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
capture-mut-ref.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
capture-mut-ref.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
capture-ref-in-struct.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
capture-ref-in-struct.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
check-normalized-sig-for-wf.current.stderr
Deeply normalize signature in new solver
2025-02-11 19:24:07 +00:00
check-normalized-sig-for-wf.next.stderr
Deeply normalize signature in new solver
2025-02-11 19:24:07 +00:00
check-normalized-sig-for-wf.rs
Deeply normalize signature in new solver
2025-02-11 19:24:07 +00:00
closure-access-spans.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
closure-access-spans.stderr
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
closure-borrow-spans.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
closure-borrow-spans.stderr
Modify find_expr from Span to better account for closures
2024-04-24 22:21:13 +00:00
closure-captures.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
closure-captures.stderr
Provide more context on Fn closure modifying binding
2025-11-03 20:26:18 +00:00
closure-malformed-projection-input-issue-102800.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
closure-malformed-projection-input-issue-102800.stderr
Add a note to duplicate diagnostics
2023-10-05 01:04:41 +00:00
closure-move-spans.fixed
Better account for more cases involving closures
2024-04-12 04:46:31 +00:00
closure-move-spans.rs
Better account for more cases involving closures
2024-04-12 04:46:31 +00:00
closure-move-spans.stderr
Better account for more cases involving closures
2024-04-12 04:46:31 +00:00
closure-use-spans.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
closure-use-spans.stderr
Tweak E0597
2023-01-15 19:46:20 +00:00
closures-in-loops.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
closures-in-loops.stderr
Better account for more cases involving closures
2024-04-12 04:46:31 +00:00
constant-thread-locals-issue-47053.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
constant-thread-locals-issue-47053.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
constant.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
continue-after-missing-main.rs
Continue to borrowck even if there were previous errors
2024-02-08 08:10:43 +00:00
continue-after-missing-main.stderr
Continue to borrowck even if there were previous errors
2024-02-08 08:10:43 +00:00
coroutine-distinct-lifetime.rs
Error on using yield without also using #[coroutine] on the closure
2024-04-24 08:05:29 +00:00
coroutine-upvar-mutability.rs
Error on using yield without also using #[coroutine] on the closure
2024-04-24 08:05:29 +00:00
coroutine-upvar-mutability.stderr
More accurate mutability suggestion
2024-07-04 05:36:34 +00:00
decl-macro-illegal-copy.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
decl-macro-illegal-copy.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
do-not-ignore-lifetime-bounds-in-copy-proj.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
do-not-ignore-lifetime-bounds-in-copy-proj.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
do-not-ignore-lifetime-bounds-in-copy.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
do-not-ignore-lifetime-bounds-in-copy.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
dont-print-desugared.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
dont-print-desugared.stderr
Tweak E0597
2023-01-15 19:46:20 +00:00
drop-may-dangle.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
drop-no-may-dangle.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
drop-no-may-dangle.stderr
Tweak E0597
2023-01-15 19:46:20 +00:00
empty-type-predicate-2.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
empty-type-predicate.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
enum-drop-access.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
enum-drop-access.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
extra-unused-mut.rs
Error on using yield without also using #[coroutine] on the closure
2024-04-24 08:05:29 +00:00
get_default.legacy.stderr
update NLL get_default test for poloniuses
2025-01-31 11:04:50 +00:00
get_default.nll.stderr
update NLL get_default test for poloniuses
2025-01-31 11:04:50 +00:00
get_default.polonius.stderr
update NLL get_default test for poloniuses
2025-01-31 11:04:50 +00:00
get_default.rs
update NLL get_default test for poloniuses
2025-01-31 11:04:50 +00:00
guarantor-issue-46974.rs
Remove FIXME about NLL diagnostic that is already improved
2023-08-06 21:20:15 +02:00
guarantor-issue-46974.stderr
Remove FIXME about NLL diagnostic that is already improved
2023-08-06 21:20:15 +02:00
ice-106874.rs
address review feedback
2024-03-23 16:14:42 +01:00
ice-106874.stderr
in opaque type handling lift region vars to static if they outlive placeholders
2025-10-13 15:26:22 +01:00
issue-16223.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-21114-ebfull.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-21114-kixunil.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-21232-partial-init-and-erroneous-use.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-21232-partial-init-and-erroneous-use.stderr
Mention type that could be Clone but isn't in more cases
2025-07-25 18:34:10 +00:00
issue-21232-partial-init-and-use.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-21232-partial-init-and-use.stderr
Mention when type parameter could be Clone
2024-04-24 22:21:15 +00:00
issue-22323-temp-destruction.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-24535-allow-mutable-borrow-in-match-guard.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-27282-move-match-input-into-guard.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-27282-move-match-input-into-guard.stderr
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
issue-27282-move-ref-mut-into-guard.rs
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
issue-27282-move-ref-mut-into-guard.stderr
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
issue-27282-mutate-before-diverging-arm-1.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-27282-mutate-before-diverging-arm-1.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-27282-mutate-before-diverging-arm-2.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-27282-mutate-before-diverging-arm-2.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-27282-mutate-before-diverging-arm-3.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-27282-mutate-before-diverging-arm-3.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-27282-mutation-in-guard.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-27282-mutation-in-guard.stderr
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
issue-27282-reborrow-ref-mut-in-guard.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-27282-reborrow-ref-mut-in-guard.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-27583.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-27868.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-27868.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-30104.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-30438-a.rs
Move tests
2023-05-08 17:58:01 -03:00
issue-30438-a.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-30438-b.rs
Move tests
2023-05-08 17:58:01 -03:00
issue-30438-b.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-30438-c.rs
Move tests
2023-05-08 17:58:01 -03:00
issue-30438-c.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-31567.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-31567.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-32382-index-assoc-type-with-lifetime.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-40510-1.rs
Move tests
2024-04-07 17:38:07 -03:00
issue-40510-1.stderr
Move tests
2024-04-07 17:38:07 -03:00
issue-40510-2.rs
Move tests
2024-04-07 17:38:07 -03:00
issue-40510-3.rs
Move tests
2024-04-07 17:38:07 -03:00
issue-40510-3.stderr
Move tests
2024-04-07 17:38:07 -03:00
issue-40510-4.rs
Move tests
2024-04-07 17:38:07 -03:00
issue-42574-diagnostic-in-nested-closure.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-42574-diagnostic-in-nested-closure.stderr
Modify find_expr from Span to better account for closures
2024-04-24 22:21:13 +00:00
issue-43058.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-45157.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-45157.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-45696-long-live-borrows-in-boxes.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-45696-no-variant-box-recur.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-45696-scribble-on-boxed-borrow.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-45696-scribble-on-boxed-borrow.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-46023.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-46023.stderr
More accurate mutability suggestion
2024-07-04 05:36:34 +00:00
issue-46036.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-46036.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-46589.nll.stderr
mark polonius=next's NLL imprecisions as known-bugs
2025-08-08 15:15:09 +00:00
issue-46589.polonius.stderr
mark polonius=next's NLL imprecisions as known-bugs
2025-08-08 15:15:09 +00:00
issue-46589.rs
mark polonius=next's NLL imprecisions as known-bugs
2025-08-08 15:15:09 +00:00
issue-47022.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-47153-generic-const.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-47388.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-47388.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-47470.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-47470.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-47589.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-48070.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-48179.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-48238.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-48238.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-48623-closure.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-48623-coroutine.rs
Error on using yield without also using #[coroutine] on the closure
2024-04-24 08:05:29 +00:00
issue-48623-coroutine.stderr
bless tests with new lint messages
2025-08-19 21:27:10 +02:00
issue-48697.rs
UI tests: add missing diagnostic kinds where possible
2025-04-08 23:06:31 +03:00
issue-48697.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-48803.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-48803.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-50343.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-50461-used-mut-from-moves.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-50716-1.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-50716.rs
trait_sel: MetaSized always holds temporarily
2025-07-16 12:35:44 +00:00
issue-50716.stderr
trait_sel: MetaSized always holds temporarily
2025-07-16 12:35:44 +00:00
issue-51191.rs
Suggest making binding mut on &mut reborrow
2025-10-31 19:23:33 +00:00
issue-51191.stderr
Suggest making binding mut on &mut reborrow
2025-10-31 19:23:33 +00:00
issue-51244.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-51244.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-51268.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-51268.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-51345-2.rs
Print thread ID in panic message if thread name is unknown
2025-08-06 23:59:47 +00:00
issue-51351.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-51512.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-51512.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-51770.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-52057.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-52059-report-when-borrow-and-drop-conflict.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52059-report-when-borrow-and-drop-conflict.stderr
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
issue-52078.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-52086.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52086.stderr
Suggest .clone() in some move errors
2024-04-11 16:41:41 +00:00
issue-52113.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52113.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-52213.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52213.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-52533-1.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52533-1.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-52534-1.rs
tail expression behind terminating scope
2024-06-18 04:14:43 +08:00
issue-52534-1.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52534-2.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52534-2.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-52534.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52534.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52663-span-decl-captured-variable.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52663-span-decl-captured-variable.stderr
Adjust error message grammar to be less awkward
2025-08-14 12:50:07 -04:00
issue-52663-trait-object.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52663-trait-object.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-52669.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52669.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-52742.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-52742.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-52992.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-53040.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-53040.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-53119.rs
Ignore tests w/ current/next revisions from compare-mode=next-solver
2024-03-10 21:18:41 -04:00
issue-53123-raw-pointer-cast.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-53570.rs
Replace elided_named_lifetimes with mismatched_lifetime_syntaxes
2025-06-04 10:40:04 -04:00
issue-53773.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-53773.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-53807.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-53807.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-54189.rs
Bless test fallout (duplicate diagnostics)
2024-03-20 13:00:34 -04:00
issue-54189.stderr
Bless test fallout (duplicate diagnostics)
2024-03-20 13:00:34 -04:00
issue-54302-cases.rs
Move tests
2023-05-08 17:58:01 -03:00
issue-54302-cases.stderr
Move tests
2023-05-08 17:58:01 -03:00
issue-54302.rs
Move tests
2023-05-08 17:58:01 -03:00
issue-54302.stderr
unify query canonicalization mode
2023-12-15 06:59:42 +00:00
issue-54382-use-span-of-tail-of-block.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-54382-use-span-of-tail-of-block.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-54556-niconii.edition2021.stderr
Update more 2024 tests to remove -Zunstable-options
2024-11-28 14:32:45 -08:00
issue-54556-niconii.rs
Replace elided_named_lifetimes with mismatched_lifetime_syntaxes
2025-06-04 10:40:04 -04:00
issue-54556-stephaneyfx.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-54556-stephaneyfx.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-54556-temps-in-tail-diagnostic.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-54556-temps-in-tail-diagnostic.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-54556-used-vs-unused-tails.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-54556-used-vs-unused-tails.stderr
Tweak E0597
2023-01-15 19:46:20 +00:00
issue-54556-wrap-it-up.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-54556-wrap-it-up.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-54779-anon-static-lifetime.rs
UI tests: add missing diagnostic kinds where possible
2025-04-08 23:06:31 +03:00
issue-54779-anon-static-lifetime.stderr
best_blame_constraint: prioritize blaming interesting-seeming constraints
2025-01-06 16:12:11 -08:00
issue-54943-3.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-54943.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-54943.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-55288.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-55344.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-55394.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-55394.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-55401.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-55401.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-55511.rs
remove IndirectStructuralMatch lint, emit the usual hard error instead
2024-05-03 15:56:59 +02:00
issue-55511.stderr
remove IndirectStructuralMatch lint, emit the usual hard error instead
2024-05-03 15:56:59 +02:00
issue-55651.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-55825-const-fn.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-55850.rs
Error on using yield without also using #[coroutine] on the closure
2024-04-24 08:05:29 +00:00
issue-55850.stderr
Explain that coroutine can be marked static
2024-07-21 22:32:29 -04:00
issue-57100.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-57100.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-57265-return-type-wf-check.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-57265-return-type-wf-check.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-57280-1-flipped.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-57280-1-flipped.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-57280-1.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-57280.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-57362-1.rs
Move some tests
2024-04-21 15:43:43 -03:00
issue-57362-1.stderr
Move some tests
2024-04-21 15:43:43 -03:00
issue-57362-2.rs
Normalize xform_ret_ty after constrained
2024-04-21 20:10:12 -04:00
issue-57362-2.stderr
Avoid extra path trimming in method not found error
2025-05-24 23:31:07 +02:00
issue-57642-higher-ranked-subtype.rs
Use fulfillment, not evaluate, during method probe
2024-04-21 20:10:12 -04:00
issue-57642-higher-ranked-subtype.stderr
Avoid extra path trimming in method not found error
2025-05-24 23:31:07 +02:00
issue-57843.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-57843.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-57960.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-57989.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-57989.stderr
tweak "make mut" spans (No. 3)
2023-05-05 22:40:05 +12:00
issue-58053.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-58053.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-58299.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-58299.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-61311-normalize.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-61320-normalize.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-61424.fixed
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-61424.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-61424.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-62007-assign-const-index.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-62007-assign-const-index.stderr
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
issue-62007-assign-differing-fields.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-62007-assign-differing-fields.stderr
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
issue-63154-normalize.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-67007-escaping-data.rs
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
issue-67007-escaping-data.stderr
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
issue-68550.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-68550.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-69114-static-mut-ty.rs
Update tests for hidden references to mutable static
2024-09-13 14:10:56 +03:00
issue-69114-static-mut-ty.stderr
Update tests for hidden references to mutable static
2024-09-13 14:10:56 +03:00
issue-69114-static-ty.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-69114-static-ty.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-73159-rpit-static.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-73159-rpit-static.stderr
Bless test fallout
2024-08-17 12:43:25 -04:00
issue-75777.rs
Move tests
2023-02-16 11:42:35 -03:00
issue-75777.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-78561.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-95272.rs
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
issue-95272.stderr
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
issue-97997.rs
TypeVerifier do not walk into required consts
2025-03-06 12:53:35 +01:00
issue-97997.stderr
TypeVerifier do not walk into required consts
2025-03-06 12:53:35 +01:00
issue-98170.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-98170.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-98589-closures-relate-named-regions.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
issue-98589-closures-relate-named-regions.stderr
best_blame_constraint: prioritize blaming interesting-seeming constraints
2025-01-06 16:12:11 -08:00
issue-98693.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
issue-98693.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
issue-112604-closure-output-normalize.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
lint-no-err.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
loan_ends_mid_block_pair.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
loan_ends_mid_block_pair.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
loan_ends_mid_block_vec.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
loan_ends_mid_block_vec.stderr
Do not set up wrong span for adjustments
2023-07-10 20:09:26 +00:00
local-outlives-static-via-hrtb.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
local-outlives-static-via-hrtb.stderr
reword note
2025-09-28 20:55:35 +00:00
lub-if.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
lub-if.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
lub-match.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
lub-match.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
match-cfg-fake-edges2.rs
Add tests
2024-04-03 21:02:47 +02:00
match-cfg-fake-edges2.stderr
Add tests
2024-04-03 21:02:47 +02:00
match-cfg-fake-edges.rs
Add if let tests
2024-04-03 23:16:27 +02:00
match-cfg-fake-edges.stderr
Handle more cases of value suggestions
2024-04-10 20:36:14 +00:00
match-guards-always-borrow.rs
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
match-guards-always-borrow.stderr
Peel off explicit (or implicit) deref before suggesting clone on move error in borrowck
2024-07-26 14:41:56 -04:00
match-guards-partially-borrow.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
match-guards-partially-borrow.stderr
Tweak E0597
2023-01-15 19:46:20 +00:00
match-on-borrowed.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
match-on-borrowed.stderr
Use /* value */ as a placeholder
2024-04-15 21:36:52 -04:00
maybe-initialized-drop-implicit-fragment-drop.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
maybe-initialized-drop-implicit-fragment-drop.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
maybe-initialized-drop-uninitialized.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
maybe-initialized-drop-with-fragment.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
maybe-initialized-drop-with-fragment.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
maybe-initialized-drop-with-uninitialized-fragments.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
maybe-initialized-drop-with-uninitialized-fragments.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
maybe-initialized-drop.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
maybe-initialized-drop.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
mir_check_cast_closure.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
mir_check_cast_closure.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
mir_check_cast_reify.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
mir_check_cast_reify.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
mir_check_cast_unsafe_fn.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
mir_check_cast_unsafe_fn.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
mir_check_cast_unsize.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
mir_check_cast_unsize.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
missing-universe-cause-issue-114907.rs
eagerly instantiate binders to avoid relying on sub
2024-03-14 17:19:40 +01:00
missing-universe-cause-issue-114907.stderr
Region inference: Use outlives-static constraints in constraint search
2025-08-22 13:38:22 +02:00
move-errors.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
move-errors.stderr
add_move_error_suggestions: use a HIR visitor rather than SourceMap
2024-11-25 20:29:04 -08:00
move-subpaths-moves-root.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
move-subpaths-moves-root.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
mutating_references.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
nested-bodies-in-dead-code.rs
borrowck nested items in dead code
2025-05-02 18:45:28 +00:00
nested-bodies-in-dead-code.stderr
borrowck nested items in dead code
2025-05-02 18:45:28 +00:00
normalization-bounds-error.rs
Continue compilation after check_mod_type_wf errors
2024-02-14 11:00:30 +00:00
normalization-bounds-error.stderr
fix: Alloc new errorcode E0803 for E0495
2025-02-15 12:18:30 +08:00
normalization-bounds.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
outlives-suggestion-more.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
outlives-suggestion-more.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
outlives-suggestion-simple.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
outlives-suggestion-simple.stderr
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00
process_or_insert_default.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
projection-return.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
promotable-mutable-zst-doesnt-conflict.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
promoted-bounds.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
promoted-bounds.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
promoted-closure-pair.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
promoted-closure-pair.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
promoted-liveness.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
rc-loop.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
ref-suggestion.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
ref-suggestion.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
reference-carried-through-struct-field.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
reference-carried-through-struct-field.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
region-ends-after-if-condition.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
region-ends-after-if-condition.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
return_from_loop.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
return_from_loop.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
return-ref-mut-issue-46557.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
return-ref-mut-issue-46557.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
self-assign-ref-mut.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
snocat-regression.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
snocat-regression.stderr
Tweak multispan rendering
2024-12-12 23:36:27 +00:00
sugg-mut-for-binding-issue-137486.fixed
Suggest mut when possbile for temporary value dropped while borrowed
2025-05-27 22:19:56 +08:00
sugg-mut-for-binding-issue-137486.rs
Suggest mut when possbile for temporary value dropped while borrowed
2025-05-27 22:19:56 +08:00
sugg-mut-for-binding-issue-137486.stderr
Suggest mut when possbile for temporary value dropped while borrowed
2025-05-27 22:19:56 +08:00
trait-associated-constant.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
trait-associated-constant.stderr
recurse into refs when comparing tys for diagnostics
2023-12-07 23:00:46 -05:00
type-alias-free-regions.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
type-alias-free-regions.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
type-check-pointer-coercions.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
type-check-pointer-coercions.stderr
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
type-check-pointer-comparisons.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
type-check-pointer-comparisons.stderr
make outlives constraints from pointer comparisons less boring
2025-01-06 16:12:11 -08:00
type-test-universe.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
type-test-universe.stderr
it's not a borrow checker limitation :<
2025-08-14 17:43:39 +02:00
unexpected-inference-var-ice-116599.rs
add test for #116599
2024-03-24 10:05:27 +01:00
unused-mut-issue-50343.fixed
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
unused-mut-issue-50343.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
unused-mut-issue-50343.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
vimwiki-core-regression.rs
[AUTO-GENERATED] Migrate ui tests from // to //@ directives
2024-02-16 20:02:50 +00:00
where_clauses_in_functions.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
where_clauses_in_functions.stderr
Show number in error message even for one error
2023-11-24 19:15:52 +01:00
where_clauses_in_structs.rs
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
where_clauses_in_structs.stderr
best_blame_constraint: don't filter constraints by sup SCC
2025-01-06 16:08:29 -08:00