[INFO] fetching crate mahogany 0.1.0... [INFO] checking mahogany-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mahogany 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate mahogany 0.1.0 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 mahogany 0.1.0 [INFO] finished tweaking crates.io crate mahogany 0.1.0 [INFO] tweaked toml for crates.io crate mahogany 0.1.0 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.58.0) [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] e0632d8a173ffd852b349379cb6fc96acce0409e043d0a64ed3618398b739ab1 [INFO] running `Command { std: "docker" "start" "-a" "e0632d8a173ffd852b349379cb6fc96acce0409e043d0a64ed3618398b739ab1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0632d8a173ffd852b349379cb6fc96acce0409e043d0a64ed3618398b739ab1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0632d8a173ffd852b349379cb6fc96acce0409e043d0a64ed3618398b739ab1", kill_on_drop: false }` [INFO] [stdout] e0632d8a173ffd852b349379cb6fc96acce0409e043d0a64ed3618398b739ab1 [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] f79bb88b26c2d7f8f796132ef096eee66b2abddb7c3d5664afb878e7cb10c235 [INFO] running `Command { std: "docker" "start" "-a" "f79bb88b26c2d7f8f796132ef096eee66b2abddb7c3d5664afb878e7cb10c235", kill_on_drop: false }` [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking mahogany v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `Close` is never constructed [INFO] [stdout] --> src/logger.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 90 | pub enum LogTransmit { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 91 | Log(LogInstance), [INFO] [stdout] 92 | Close, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/logger.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 44 | fn start(self) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 45 | thread::spawn(move || { [INFO] [stdout] 46 | match fs::OpenOptions::new() [INFO] [stdout] | ___________________^ [INFO] [stdout] 47 | | [INFO] [stdout] 48 | | .append(true) [INFO] [stdout] 49 | | .create(true) [INFO] [stdout] 50 | | .open(&self.output_path) [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] warning: variant `Close` is never constructed [INFO] [stdout] --> src/logger.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 90 | pub enum LogTransmit { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 91 | Log(LogInstance), [INFO] [stdout] 92 | Close, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/logger.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 44 | fn start(self) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 45 | thread::spawn(move || { [INFO] [stdout] 46 | match fs::OpenOptions::new() [INFO] [stdout] | ___________________^ [INFO] [stdout] 47 | | [INFO] [stdout] 48 | | .append(true) [INFO] [stdout] 49 | | .create(true) [INFO] [stdout] 50 | | .open(&self.output_path) [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: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mahogany` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mahogany` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "f79bb88b26c2d7f8f796132ef096eee66b2abddb7c3d5664afb878e7cb10c235", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f79bb88b26c2d7f8f796132ef096eee66b2abddb7c3d5664afb878e7cb10c235", kill_on_drop: false }` [INFO] [stdout] f79bb88b26c2d7f8f796132ef096eee66b2abddb7c3d5664afb878e7cb10c235