[INFO] fetching crate compiler_base_parallel 0.1.0... [INFO] checking compiler_base_parallel-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate compiler_base_parallel 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate compiler_base_parallel 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate compiler_base_parallel 0.1.0 [INFO] finished tweaking crates.io crate compiler_base_parallel 0.1.0 [INFO] tweaked toml for crates.io crate compiler_base_parallel 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 63 packages to latest compatible versions [INFO] [stderr] Adding colored v1.9.4 (available: v2.1.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87617562af9225569805ffcf4413408a3b5711ad8b282bb1c10dbb509ec6e270 [INFO] running `Command { std: "docker" "start" "-a" "87617562af9225569805ffcf4413408a3b5711ad8b282bb1c10dbb509ec6e270", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87617562af9225569805ffcf4413408a3b5711ad8b282bb1c10dbb509ec6e270", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87617562af9225569805ffcf4413408a3b5711ad8b282bb1c10dbb509ec6e270", kill_on_drop: false }` [INFO] [stdout] 87617562af9225569805ffcf4413408a3b5711ad8b282bb1c10dbb509ec6e270 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 317e605c77f4488f91a211283dc1fdfcfd7ace25a6c099faefa83015aaa80c8c [INFO] running `Command { std: "docker" "start" "-a" "317e605c77f4488f91a211283dc1fdfcfd7ace25a6c099faefa83015aaa80c8c", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking colored v1.9.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking fern v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking compiler_base_parallel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `MutexGuard<'_, EventsCollector>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/executor/tests.rs:249:28 [INFO] [stdout] | [INFO] [stdout] 228 | let mut events_collector = Arc::new(Mutex::new(EventsCollector::default())); [INFO] [stdout] | -------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 232 | let (tx, rx) = channel::(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 233 | let events_collector_tmp = Arc::clone(&events_collector); [INFO] [stdout] 234 | let handle = thread::spawn(move || { [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 249 | assert_eq!(events_collector [INFO] [stdout] | ____________________________^ [INFO] [stdout] 250 | | .lock() [INFO] [stdout] 251 | | .unwrap() [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 `Result<(), anyhow::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/executor/tests.rs:331:16 [INFO] [stdout] | [INFO] [stdout] 290 | let mut events_collector = Arc::new(Mutex::new(EventsCollector::default())); [INFO] [stdout] | -------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 310 | let result: Result, Box> = [INFO] [stdout] | ------ [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 331 | Ok(res) => match res { [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] [stderr] error: could not compile `compiler_base_parallel` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "317e605c77f4488f91a211283dc1fdfcfd7ace25a6c099faefa83015aaa80c8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "317e605c77f4488f91a211283dc1fdfcfd7ace25a6c099faefa83015aaa80c8c", kill_on_drop: false }` [INFO] [stdout] 317e605c77f4488f91a211283dc1fdfcfd7ace25a6c099faefa83015aaa80c8c