68 lines
3.1 KiB
Plaintext
68 lines
3.1 KiB
Plaintext
error: changes to closure capture in Rust 2021 will affect which traits the closure implements
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--> $DIR/auto_traits.rs:22:19
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LL | thread::spawn(move || unsafe {
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| ^^^^^^^ in Rust 2018, this closure implements `Send` as `fptr` implements `Send`, but in Rust 2021, this closure will no longer implement `Send` because `fptr` is not fully captured and `fptr.0` does not implement `Send`
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...
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LL | *fptr.0 = 20;
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| ------- in Rust 2018, this closure captures all of `fptr`, but in Rust 2021, it will only capture `fptr.0`
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
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note: the lint level is defined here
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--> $DIR/auto_traits.rs:2:9
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LL | #![deny(rust_2021_incompatible_closure_captures)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: add a dummy let to cause `fptr` to be fully captured
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LL ~ thread::spawn(move || { let _ = &fptr; unsafe {
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LL |
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...
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LL |
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LL ~ } }).join().unwrap();
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error: changes to closure capture in Rust 2021 will affect which traits the closure implements
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--> $DIR/auto_traits.rs:42:19
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LL | thread::spawn(move || unsafe {
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| ^^^^^^^
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| |
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| in Rust 2018, this closure implements `Send` as `fptr` implements `Send`, but in Rust 2021, this closure will no longer implement `Send` because `fptr` is not fully captured and `fptr.0.0` does not implement `Send`
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| in Rust 2018, this closure implements `Sync` as `fptr` implements `Sync`, but in Rust 2021, this closure will no longer implement `Sync` because `fptr` is not fully captured and `fptr.0.0` does not implement `Sync`
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...
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LL | *fptr.0.0 = 20;
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| --------- in Rust 2018, this closure captures all of `fptr`, but in Rust 2021, it will only capture `fptr.0.0`
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
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help: add a dummy let to cause `fptr` to be fully captured
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LL ~ thread::spawn(move || { let _ = &fptr; unsafe {
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LL |
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...
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LL |
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LL ~ } }).join().unwrap();
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error: changes to closure capture in Rust 2021 will affect drop order and which traits the closure implements
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--> $DIR/auto_traits.rs:67:13
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LL | let c = || {
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| ^^ in Rust 2018, this closure implements `Clone` as `f` implements `Clone`, but in Rust 2021, this closure will no longer implement `Clone` because `f` is not fully captured and `f.1` does not implement `Clone`
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...
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LL | let f_1 = f.1;
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| --- in Rust 2018, this closure captures all of `f`, but in Rust 2021, it will only capture `f.1`
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...
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LL | }
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| - in Rust 2018, `f` is dropped here, but in Rust 2021, only `f.1` will be dropped here as part of the closure
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= note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
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help: add a dummy let to cause `f` to be fully captured
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LL ~ let c = || {
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LL + let _ = &f;
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error: aborting due to 3 previous errors
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