diff options
Diffstat (limited to 'tests/ui/closures/2229_closure_analysis/migrations/precise.stderr')
| -rw-r--r-- | tests/ui/closures/2229_closure_analysis/migrations/precise.stderr | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/migrations/precise.stderr b/tests/ui/closures/2229_closure_analysis/migrations/precise.stderr new file mode 100644 index 000000000..eff26a4d6 --- /dev/null +++ b/tests/ui/closures/2229_closure_analysis/migrations/precise.stderr @@ -0,0 +1,55 @@ +error: changes to closure capture in Rust 2021 will affect drop order + --> $DIR/precise.rs:20:13 + | +LL | let c = || { + | ^^ +... +LL | let _t = t.0; + | --- in Rust 2018, this closure captures all of `t`, but in Rust 2021, it will only capture `t.0` +... +LL | } + | - in Rust 2018, `t` is dropped here, but in Rust 2021, only `t.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/precise.rs:3:9 + | +LL | #![deny(rust_2021_incompatible_closure_captures)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: add a dummy let to cause `t` to be fully captured + | +LL ~ let c = || { +LL + let _ = &t; + | + +error: changes to closure capture in Rust 2021 will affect drop order + --> $DIR/precise.rs:45:13 + | +LL | let c = || { + | ^^ +... +LL | let _x = u.0.0; + | ----- in Rust 2018, this closure captures all of `u`, but in Rust 2021, it will only capture `u.0.0` +LL | +LL | let _x = u.0.1; + | ----- in Rust 2018, this closure captures all of `u`, but in Rust 2021, it will only capture `u.0.1` +LL | +LL | let _x = u.1.0; + | ----- in Rust 2018, this closure captures all of `u`, but in Rust 2021, it will only capture `u.1.0` +... +LL | } + | - + | | + | in Rust 2018, `u` is dropped here, but in Rust 2021, only `u.0.0` will be dropped here as part of the closure + | in Rust 2018, `u` is dropped here, but in Rust 2021, only `u.0.1` will be dropped here as part of the closure + | in Rust 2018, `u` is dropped here, but in Rust 2021, only `u.1.0` 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> +help: add a dummy let to cause `u` to be fully captured + | +LL ~ let c = || { +LL + let _ = &u; + | + +error: aborting due to 2 previous errors + |