tests/ui/closures/2229_closure_analysis/migrations/migrations_rustfix.stderr

   1 error: changes to closure capture in Rust 2021 will affect drop order
   2   --> $DIR/migrations_rustfix.rs:19:13
   3    |
   4 LL |     let c = || {
   5    |             ^^
   6 ...
   7 LL |         let _t = t.0;
   8    |                  --- in Rust 2018, this closure captures all of `t`, but in Rust 2021, it will only capture `t.0`
   9 ...
  10 LL | }
  11    | - in Rust 2018, `t` is dropped here, but in Rust 2021, only `t.0` will be dropped here as part of the closure
  12    |
  13    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
  14 note: the lint level is defined here
  15   --> $DIR/migrations_rustfix.rs:2:9
  16    |
  17 LL | #![deny(rust_2021_incompatible_closure_captures)]
  18    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  19 help: add a dummy let to cause `t` to be fully captured
  20    |
  21 LL ~     let c = || {
  22 LL +         let _ = &t;
  23    |
  24
  25 error: changes to closure capture in Rust 2021 will affect drop order
  26   --> $DIR/migrations_rustfix.rs:33:13
  27    |
  28 LL |     let c = || t.0;
  29    |             ^^ --- in Rust 2018, this closure captures all of `t`, but in Rust 2021, it will only capture `t.0`
  30 ...
  31 LL | }
  32    | - in Rust 2018, `t` is dropped here, but in Rust 2021, only `t.0` will be dropped here as part of the closure
  33    |
  34    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
  35 help: add a dummy let to cause `t` to be fully captured
  36    |
  37 LL |     let c = || { let _ = &t; t.0 };
  38    |                +++++++++++++     +
  39
  40 error: aborting due to 2 previous errors
  41