[INFO] fetching crate fhc 0.7.1... [INFO] checking fhc-0.7.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate fhc 0.7.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate fhc 0.7.1 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 fhc 0.7.1 [INFO] finished tweaking crates.io crate fhc 0.7.1 [INFO] tweaked toml for crates.io crate fhc 0.7.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate fhc 0.7.1 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 38b0304631bb39a80cd0057fddba174396487aba5d163ab2478f97d09930ae63 [INFO] running `Command { std: "docker" "start" "-a" "38b0304631bb39a80cd0057fddba174396487aba5d163ab2478f97d09930ae63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38b0304631bb39a80cd0057fddba174396487aba5d163ab2478f97d09930ae63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38b0304631bb39a80cd0057fddba174396487aba5d163ab2478f97d09930ae63", kill_on_drop: false }` [INFO] [stdout] 38b0304631bb39a80cd0057fddba174396487aba5d163ab2478f97d09930ae63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ec0a9417246bf873b93d80db566995d7a45a0c2d33e82e6680585ffaf62d9fad [INFO] running `Command { std: "docker" "start" "-a" "ec0a9417246bf873b93d80db566995d7a45a0c2d33e82e6680585ffaf62d9fad", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling serde v1.0.208 [INFO] [stderr] Compiling cc v1.1.13 [INFO] [stderr] Compiling libc v0.2.156 [INFO] [stderr] Compiling serde_json v1.0.125 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking constant_time_eq v0.3.0 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Compiling syn v2.0.74 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Compiling blake3 v1.5.3 [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stderr] Checking clap_builder v4.5.15 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Compiling serde_derive v1.0.208 [INFO] [stderr] Compiling clap_derive v4.5.13 [INFO] [stderr] Checking clap v4.5.16 [INFO] [stderr] Checking fhc v0.7.1 (/opt/rustwide/workdir) [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:194:36 [INFO] [stdout] | [INFO] [stdout] 191 | for file in files.iter().cloned() { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 192 | let (tx, rx) = std::sync::mpsc::channel(); [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 193 | rxs.push(rx); [INFO] [stdout] 194 | std::thread::spawn(move || tx.send(hash.process_file(file)).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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fhc` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ec0a9417246bf873b93d80db566995d7a45a0c2d33e82e6680585ffaf62d9fad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec0a9417246bf873b93d80db566995d7a45a0c2d33e82e6680585ffaf62d9fad", kill_on_drop: false }` [INFO] [stdout] ec0a9417246bf873b93d80db566995d7a45a0c2d33e82e6680585ffaf62d9fad