[INFO] fetching crate stable_try_trait_v2 1.75.1... [INFO] checking stable_try_trait_v2-1.75.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate stable_try_trait_v2 1.75.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate stable_try_trait_v2 1.75.1 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stable_try_trait_v2 1.75.1 [INFO] finished tweaking crates.io crate stable_try_trait_v2 1.75.1 [INFO] tweaked toml for crates.io crate stable_try_trait_v2 1.75.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 89fca06157fb1994c285ea55b8d94cf3802d75060bf5c7f70a541ea80486d1f8 [INFO] running `Command { std: "docker" "start" "-a" "89fca06157fb1994c285ea55b8d94cf3802d75060bf5c7f70a541ea80486d1f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89fca06157fb1994c285ea55b8d94cf3802d75060bf5c7f70a541ea80486d1f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89fca06157fb1994c285ea55b8d94cf3802d75060bf5c7f70a541ea80486d1f8", kill_on_drop: false }` [INFO] [stdout] 89fca06157fb1994c285ea55b8d94cf3802d75060bf5c7f70a541ea80486d1f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df0ee1dcc15f984d362be2b9087334fec58509286be887614f1d342eeb74efe1 [INFO] running `Command { std: "docker" "start" "-a" "df0ee1dcc15f984d362be2b9087334fec58509286be887614f1d342eeb74efe1", kill_on_drop: false }` [INFO] [stderr] Checking stable_try_trait_v2 v1.75.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 116 | ControlFlow::Break(b) => ControlFlow::Break(b), [INFO] [stdout] | --------------------- matches all the relevant values [INFO] [stdout] 117 | _ => unsafe { core::hint::unreachable_unchecked() }, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 116 | ControlFlow::Break(b) => ControlFlow::Break(b), [INFO] [stdout] | --------------------- matches all the relevant values [INFO] [stdout] 117 | _ => unsafe { core::hint::unreachable_unchecked() }, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 170 | Err(e) => Err(From::from(e)), [INFO] [stdout] | ------ matches all the relevant values [INFO] [stdout] 171 | _ => unsafe { core::hint::unreachable_unchecked() }, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:200:13 [INFO] [stdout] | [INFO] [stdout] 199 | Err(e) => Poll::Ready(Err(From::from(e))), [INFO] [stdout] | ------ matches all the relevant values [INFO] [stdout] 200 | _ => unsafe { core::hint::unreachable_unchecked() }, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 228 | Err(e) => Poll::Ready(Some(Err(From::from(e)))), [INFO] [stdout] | ------ matches all the relevant values [INFO] [stdout] 229 | _ => unsafe { core::hint::unreachable_unchecked() }, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:66:40 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn wrap_mut_1(mut f: impl FnMut(A) -> T) -> impl FnMut(A) -> NeverShortCircuit { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 66 | move |a| NeverShortCircuit(f(a)) [INFO] [stdout] | - ^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:70:43 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn wrap_mut_2(mut f: impl FnMut(A, B) -> T) -> impl FnMut(A, B) -> Self { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 70 | move |a, b| NeverShortCircuit(f(a, b)) [INFO] [stdout] | - - ^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 170 | Err(e) => Err(From::from(e)), [INFO] [stdout] | ------ matches all the relevant values [INFO] [stdout] 171 | _ => unsafe { core::hint::unreachable_unchecked() }, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:200:13 [INFO] [stdout] | [INFO] [stdout] 199 | Err(e) => Poll::Ready(Err(From::from(e))), [INFO] [stdout] | ------ matches all the relevant values [INFO] [stdout] 200 | _ => unsafe { core::hint::unreachable_unchecked() }, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:229:13 [INFO] [stdout] | [INFO] [stdout] 228 | Err(e) => Poll::Ready(Some(Err(From::from(e)))), [INFO] [stdout] | ------ matches all the relevant values [INFO] [stdout] 229 | _ => unsafe { core::hint::unreachable_unchecked() }, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:66:40 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn wrap_mut_1(mut f: impl FnMut(A) -> T) -> impl FnMut(A) -> NeverShortCircuit { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 66 | move |a| NeverShortCircuit(f(a)) [INFO] [stdout] | - ^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:70:43 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn wrap_mut_2(mut f: impl FnMut(A, B) -> T) -> impl FnMut(A, B) -> Self { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 70 | move |a, b| NeverShortCircuit(f(a, b)) [INFO] [stdout] | - - ^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `stable_try_trait_v2` (lib test) due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `stable_try_trait_v2` (lib) due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "df0ee1dcc15f984d362be2b9087334fec58509286be887614f1d342eeb74efe1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df0ee1dcc15f984d362be2b9087334fec58509286be887614f1d342eeb74efe1", kill_on_drop: false }` [INFO] [stdout] df0ee1dcc15f984d362be2b9087334fec58509286be887614f1d342eeb74efe1