diff options
Diffstat (limited to 'tests/ui/closures/2229_closure_analysis/migrations/macro.stderr')
| -rw-r--r-- | tests/ui/closures/2229_closure_analysis/migrations/macro.stderr | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/migrations/macro.stderr b/tests/ui/closures/2229_closure_analysis/migrations/macro.stderr new file mode 100644 index 000000000..c17edce72 --- /dev/null +++ b/tests/ui/closures/2229_closure_analysis/migrations/macro.stderr @@ -0,0 +1,22 @@ +error: changes to closure capture in Rust 2021 will affect drop order + --> $DIR/macro.rs:19:13 + | +LL | let _ = || dbg!(a.0); + | ^^ --- in Rust 2018, this closure captures all of `a`, but in Rust 2021, it will only capture `a.0` +... +LL | } + | - in Rust 2018, `a` is dropped here, but in Rust 2021, only `a.0` will be dropped here as part of the closure + | + = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html> +note: the lint level is defined here + --> $DIR/macro.rs:5:9 + | +LL | #![deny(rust_2021_incompatible_closure_captures)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: add a dummy let to cause `a` to be fully captured + | +LL | let _ = || { let _ = &a; dbg!(a.0) }; + | +++++++++++++ + + +error: aborting due to previous error + |