[INFO] fetching crate command-group 5.0.1... [INFO] checking command-group-5.0.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate command-group 5.0.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate command-group 5.0.1 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 command-group 5.0.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate command-group 5.0.1 [INFO] tweaked toml for crates.io crate command-group 5.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate command-group 5.0.1 already has a lockfile, it will not be regenerated [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 95225c3f56a359340812c24476171a86c25b7191443cb9021a59e470090595f0 [INFO] running `Command { std: "docker" "start" "-a" "95225c3f56a359340812c24476171a86c25b7191443cb9021a59e470090595f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95225c3f56a359340812c24476171a86c25b7191443cb9021a59e470090595f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95225c3f56a359340812c24476171a86c25b7191443cb9021a59e470090595f0", kill_on_drop: false }` [INFO] [stdout] 95225c3f56a359340812c24476171a86c25b7191443cb9021a59e470090595f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 878b4fe37aa63625a7f8ae91ee115f11a569c82554b00d5c9ab44678abd38ce2 [INFO] running `Command { std: "docker" "start" "-a" "878b4fe37aa63625a7f8ae91ee115f11a569c82554b00d5c9ab44678abd38ce2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking command-group v5.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `signal` is never used [INFO] [stdout] --> src/stdlib/child/unix.rs:208:5 [INFO] [stdout] | [INFO] [stdout] 207 | pub trait UnixChildExt { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] 208 | fn signal(&self, sig: Signal) -> Result<()>; [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/stdlib/child.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 60 | pub(crate) fn new(inner: Child) -> Self { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 61 | Self { [INFO] [stdout] 62 | imp: ChildImp::new(inner), [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] [stderr] error: could not compile `command-group` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "878b4fe37aa63625a7f8ae91ee115f11a569c82554b00d5c9ab44678abd38ce2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "878b4fe37aa63625a7f8ae91ee115f11a569c82554b00d5c9ab44678abd38ce2", kill_on_drop: false }` [INFO] [stdout] 878b4fe37aa63625a7f8ae91ee115f11a569c82554b00d5c9ab44678abd38ce2