[INFO] fetching crate with_lock_auto 1.0.0... [INFO] checking with_lock_auto-1.0.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate with_lock_auto 1.0.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate with_lock_auto 1.0.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate with_lock_auto 1.0.0 [INFO] finished tweaking crates.io crate with_lock_auto 1.0.0 [INFO] tweaked toml for crates.io crate with_lock_auto 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30af0ee1c8a54d44144f5c47e0295bf81ab6cc60fb5135bc4d5d7e287a0c7959 [INFO] running `Command { std: "docker" "start" "-a" "30af0ee1c8a54d44144f5c47e0295bf81ab6cc60fb5135bc4d5d7e287a0c7959", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30af0ee1c8a54d44144f5c47e0295bf81ab6cc60fb5135bc4d5d7e287a0c7959", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30af0ee1c8a54d44144f5c47e0295bf81ab6cc60fb5135bc4d5d7e287a0c7959", kill_on_drop: false }` [INFO] [stdout] 30af0ee1c8a54d44144f5c47e0295bf81ab6cc60fb5135bc4d5d7e287a0c7959 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93551e051761ce3870f7aef2963a20bac6bbf16b5953a40132bc623cf662987c [INFO] running `Command { std: "docker" "start" "-a" "93551e051761ce3870f7aef2963a20bac6bbf16b5953a40132bc623cf662987c", kill_on_drop: false }` [INFO] [stderr] Checking with_lock_auto v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result, TryLockError>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:15:20 [INFO] [stdout] | [INFO] [stdout] 14 | fn with_lock_try(&self, f: impl FnOnce(&mut T) -> R) -> Option { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | match &mut self.try_lock() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [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: this value of type `Option>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:30:20 [INFO] [stdout] | [INFO] [stdout] 29 | fn with_lock_try(&self, f: impl FnOnce(&mut T) -> R) -> Option { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | match &mut self.upgrade() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result, TryLockError>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:15:20 [INFO] [stdout] | [INFO] [stdout] 14 | fn with_lock_try(&self, f: impl FnOnce(&mut T) -> R) -> Option { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | match &mut self.try_lock() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [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] [stderr] error: could not compile `with_lock_auto` (lib) due to 3 previous errors [INFO] [stdout] error: this value of type `Option>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:30:20 [INFO] [stdout] | [INFO] [stdout] 29 | fn with_lock_try(&self, f: impl FnOnce(&mut T) -> R) -> Option { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | match &mut self.upgrade() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `with_lock_auto` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "93551e051761ce3870f7aef2963a20bac6bbf16b5953a40132bc623cf662987c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93551e051761ce3870f7aef2963a20bac6bbf16b5953a40132bc623cf662987c", kill_on_drop: false }` [INFO] [stdout] 93551e051761ce3870f7aef2963a20bac6bbf16b5953a40132bc623cf662987c