New upstream version 1.57.0+dfsg1

[rustc.git] / src / test / ui / closures / 2229_closure_analysis / migrations / multi_diagnostics.stderr

error: changes to closure capture in Rust 2021 will affect drop order and which traits the closure implements
  --> $DIR/multi_diagnostics.rs:37:13
   |
LL |     let c = || {
   |             ^^ in Rust 2018, this closure implements `Clone` as `f1` implements `Clone`, but in Rust 2021, this closure will no longer implement `Clone` because `f1` is not fully captured and `f1.0` does not implement `Clone`
...
LL |         let _f_1 = f1.0;
   |                    ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.0`
LL |
LL |         let _f_2 = f2.1;
   |                    ---- in Rust 2018, this closure captures all of `f2`, but in Rust 2021, it will only capture `f2.1`
...
LL | }
   | - in Rust 2018, `f2` is dropped here, but in Rust 2021, only `f2.1` will be dropped here as part of the closure
   |
note: the lint level is defined here
  --> $DIR/multi_diagnostics.rs:2:9
   |
LL | #![deny(rust_2021_incompatible_closure_captures)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = 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 `f1`, `f2` to be fully captured
   |
LL ~     let c = || {
LL +         let _ = (&f1, &f2);
   |

error: changes to closure capture in Rust 2021 will affect which traits the closure implements
  --> $DIR/multi_diagnostics.rs:56:13
   |
LL |     let c = || {
   |             ^^ in Rust 2018, this closure implements `Clone` as `f1` implements `Clone`, but in Rust 2021, this closure will no longer implement `Clone` because `f1` is not fully captured and `f1.0` does not implement `Clone`
...
LL |         let _f_1 = f1.0;
   |                    ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.0`
   |
   = 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 `f1` to be fully captured
   |
LL ~     let c = || {
LL +         let _ = &f1;
   |

error: changes to closure capture in Rust 2021 will affect which traits the closure implements
  --> $DIR/multi_diagnostics.rs:81:13
   |
LL |     let c = || {
   |             ^^
   |             |
   |             in Rust 2018, this closure implements `Clone` as `f1` implements `Clone`, but in Rust 2021, this closure will no longer implement `Clone` because `f1` is not fully captured and `f1.0` does not implement `Clone`
   |             in Rust 2018, this closure implements `Clone` as `f1` implements `Clone`, but in Rust 2021, this closure will no longer implement `Clone` because `f1` is not fully captured and `f1.2` does not implement `Clone`
...
LL |         let _f_0 = f1.0;
   |                    ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.0`
LL |
LL |         let _f_2 = f1.2;
   |                    ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.2`
   |
   = 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 `f1` to be fully captured
   |
LL ~     let c = || {
LL +         let _ = &f1;
   |

error: changes to closure capture in Rust 2021 will affect drop order and which traits the closure implements
  --> $DIR/multi_diagnostics.rs:100:13
   |
LL |     let c = || {
   |             ^^ in Rust 2018, this closure implements `Clone` as `f1` implements `Clone`, but in Rust 2021, this closure will no longer implement `Clone` because `f1` is not fully captured and `f1.0` does not implement `Clone`
...
LL |         let _f_0 = f1.0;
   |                    ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.0`
LL |
LL |         let _f_1 = f1.1;
   |                    ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.1`
...
LL | }
   | -
   | |
   | in Rust 2018, `f1` is dropped here, but in Rust 2021, only `f1.0` will be dropped here as part of the closure
   | in Rust 2018, `f1` is dropped here, but in Rust 2021, only `f1.1` 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 `f1` to be fully captured
   |
LL ~     let c = || {
LL +         let _ = &f1;
   |

error: changes to closure capture in Rust 2021 will affect which traits the closure implements
  --> $DIR/multi_diagnostics.rs:133:19
   |
LL |     thread::spawn(move || unsafe {
   |                   ^^^^^^^^^^^^^^
   |                   |
   |                   in Rust 2018, this closure implements `Sync` as `fptr1` implements `Sync`, but in Rust 2021, this closure will no longer implement `Sync` because `fptr1` is not fully captured and `fptr1.0.0` does not implement `Sync`
   |                   in Rust 2018, this closure implements `Send` as `fptr1` implements `Send`, but in Rust 2021, this closure will no longer implement `Send` because `fptr1` is not fully captured and `fptr1.0.0` does not implement `Send`
   |                   in Rust 2018, this closure implements `Send` as `fptr2` implements `Send`, but in Rust 2021, this closure will no longer implement `Send` because `fptr2` is not fully captured and `fptr2.0` does not implement `Send`
...
LL |         *fptr1.0.0 = 20;
   |         ---------- in Rust 2018, this closure captures all of `fptr1`, but in Rust 2021, it will only capture `fptr1.0.0`
LL |
LL |         *fptr2.0 = 20;
   |         -------- in Rust 2018, this closure captures all of `fptr2`, but in Rust 2021, it will only capture `fptr2.0`
   |
   = 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 `fptr1`, `fptr2` to be fully captured
   |
LL ~     thread::spawn(move || { let _ = (&fptr1, &fptr2); unsafe {
LL |
LL |
LL |
LL |
LL |
 ...

error: aborting due to 5 previous errors