1error: changes to closure capture in Rust 2021 will affect drop order and which traits the closure implements 2 --> $DIR/multi_diagnostics.rs:37:13 3 | 4LL | let c = || { 5 | ^^ 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` 6... 7LL | let _f_1 = f1.0; 8 | ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.0` 9LL | 10LL | let _f_2 = f2.1; 11 | ---- in Rust 2018, this closure captures all of `f2`, but in Rust 2021, it will only capture `f2.1` 12... 13LL | } 14 | - in Rust 2018, `f2` is dropped here, but in Rust 2021, only `f2.1` will be dropped here as part of the closure 15 | 16note: the lint level is defined here 17 --> $DIR/multi_diagnostics.rs:2:9 18 | 19LL | #![deny(rust_2021_incompatible_closure_captures)] 20 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 21 = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html> 22help: add a dummy let to cause `f1`, `f2` to be fully captured 23 | 24LL ~ let c = || { 25LL + let _ = (&f1, &f2); 26 | 27 28error: changes to closure capture in Rust 2021 will affect which traits the closure implements 29 --> $DIR/multi_diagnostics.rs:56:13 30 | 31LL | let c = || { 32 | ^^ 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` 33... 34LL | let _f_1 = f1.0; 35 | ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.0` 36 | 37 = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html> 38help: add a dummy let to cause `f1` to be fully captured 39 | 40LL ~ let c = || { 41LL + let _ = &f1; 42 | 43 44error: changes to closure capture in Rust 2021 will affect which traits the closure implements 45 --> $DIR/multi_diagnostics.rs:81:13 46 | 47LL | let c = || { 48 | ^^ 49 | | 50 | 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` 51 | 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` 52... 53LL | let _f_0 = f1.0; 54 | ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.0` 55LL | 56LL | let _f_2 = f1.2; 57 | ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.2` 58 | 59 = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html> 60help: add a dummy let to cause `f1` to be fully captured 61 | 62LL ~ let c = || { 63LL + let _ = &f1; 64 | 65 66error: changes to closure capture in Rust 2021 will affect drop order and which traits the closure implements 67 --> $DIR/multi_diagnostics.rs:100:13 68 | 69LL | let c = || { 70 | ^^ 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` 71... 72LL | let _f_0 = f1.0; 73 | ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.0` 74LL | 75LL | let _f_1 = f1.1; 76 | ---- in Rust 2018, this closure captures all of `f1`, but in Rust 2021, it will only capture `f1.1` 77... 78LL | } 79 | - 80 | | 81 | in Rust 2018, `f1` is dropped here, but in Rust 2021, only `f1.0` will be dropped here as part of the closure 82 | in Rust 2018, `f1` is dropped here, but in Rust 2021, only `f1.1` will be dropped here as part of the closure 83 | 84 = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html> 85help: add a dummy let to cause `f1` to be fully captured 86 | 87LL ~ let c = || { 88LL + let _ = &f1; 89 | 90 91error: changes to closure capture in Rust 2021 will affect which traits the closure implements 92 --> $DIR/multi_diagnostics.rs:133:19 93 | 94LL | thread::spawn(move || unsafe { 95 | ^^^^^^^^^^^^^^ 96 | | 97 | 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` 98 | 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` 99 | 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` 100... 101LL | *fptr1.0.0 = 20; 102 | ---------- in Rust 2018, this closure captures all of `fptr1`, but in Rust 2021, it will only capture `fptr1.0.0` 103LL | 104LL | *fptr2.0 = 20; 105 | -------- in Rust 2018, this closure captures all of `fptr2`, but in Rust 2021, it will only capture `fptr2.0` 106 | 107 = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/disjoint-capture-in-closures.html> 108help: add a dummy let to cause `fptr1`, `fptr2` to be fully captured 109 | 110LL ~ thread::spawn(move || { let _ = (&fptr1, &fptr2); unsafe { 111LL | 112LL | 113LL | 114LL | 115LL | 116 ... 117 118error: aborting due to 5 previous errors 119 120