src/test/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, closure captures all of `t`, but in Rust 2021, it only captures `t.0`
   9 ...
  10 LL | }
  11    | - in Rust 2018, `t` would be dropped here, but in Rust 2021, only `t.0` would be dropped here alongside the closure
  12    |
  13 note: the lint level is defined here
  14   --> $DIR/migrations_rustfix.rs:2:9
  15    |
  16 LL | #![deny(rust_2021_incompatible_closure_captures)]
  17    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  18    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
  19 help: add a dummy let to cause `t` to be fully captured
  20    |
  21 LL |     let c = || { let _ = &t;
  22 LL |
  23 LL |
  24 LL |
  25 LL |         let _t = t.0;
  26 LL |
  27  ...
  28
  29 error: changes to closure capture in Rust 2021 will affect drop order
  30   --> $DIR/migrations_rustfix.rs:33:13
  31    |
  32 LL |     let c = || t.0;
  33    |             ^^^---
  34    |                |
  35    |                in Rust 2018, closure captures all of `t`, but in Rust 2021, it only captures `t.0`
  36 ...
  37 LL | }
  38    | - in Rust 2018, `t` would be dropped here, but in Rust 2021, only `t.0` would be dropped here alongside the closure
  39    |
  40    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
  41 help: add a dummy let to cause `t` to be fully captured
  42    |
  43 LL |     let c = || { let _ = &t; t.0 };
  44    |                ^^^^^^^^^^^^^^^^^^^
  45
  46 error: aborting due to 2 previous errors
  47