1 error: changes to closure capture in Rust 2021 will affect which traits the closure implements
2 --> $DIR/auto_traits.rs:22:19
4 LL | thread::spawn(move || unsafe {
5 | ^^^^^^^ 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`
8 | ------- in Rust 2018, this closure captures all of `fptr`, but in Rust 2021, it will only capture `fptr.0`
10 = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
11 note: the lint level is defined here
12 --> $DIR/auto_traits.rs:2:9
14 LL | #![deny(rust_2021_incompatible_closure_captures)]
15 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
16 help: add a dummy let to cause `fptr` to be fully captured
18 LL ~ thread::spawn(move || { let _ = &fptr; unsafe {
25 error: changes to closure capture in Rust 2021 will affect which traits the closure implements
26 --> $DIR/auto_traits.rs:42:19
28 LL | thread::spawn(move || unsafe {
31 | 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`
32 | 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`
35 | --------- in Rust 2018, this closure captures all of `fptr`, but in Rust 2021, it will only capture `fptr.0.0`
37 = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
38 help: add a dummy let to cause `fptr` to be fully captured
40 LL ~ thread::spawn(move || { let _ = &fptr; unsafe {
47 error: changes to closure capture in Rust 2021 will affect drop order and which traits the closure implements
48 --> $DIR/auto_traits.rs:67:13
51 | ^^ 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`
54 | --- in Rust 2018, this closure captures all of `f`, but in Rust 2021, it will only capture `f.1`
57 | - in Rust 2018, `f` is dropped here, but in Rust 2021, only `f.1` will be dropped here as part of the closure
59 = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html>
60 help: add a dummy let to cause `f` to be fully captured
66 error: aborting due to 3 previous errors