[INFO] fetching crate gcode-serial 0.1.4...
[INFO] checking gcode-serial-0.1.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate gcode-serial 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate gcode-serial 0.1.4 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 gcode-serial 0.1.4
[INFO] finished tweaking crates.io crate gcode-serial 0.1.4
[INFO] tweaked toml for crates.io crate gcode-serial 0.1.4 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 54 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding nix v0.26.4 (available: v0.29.0)
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.26.3)
[INFO] [stderr]       Adding strum_macros v0.24.3 (available: v0.26.4)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[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] 66688442ae069aaafc1ed79678946d7abf4d58d10696a6113847423edc8b275c
[INFO] running `Command { std: "docker" "start" "-a" "66688442ae069aaafc1ed79678946d7abf4d58d10696a6113847423edc8b275c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66688442ae069aaafc1ed79678946d7abf4d58d10696a6113847423edc8b275c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66688442ae069aaafc1ed79678946d7abf4d58d10696a6113847423edc8b275c", kill_on_drop: false }`
[INFO] [stdout] 66688442ae069aaafc1ed79678946d7abf4d58d10696a6113847423edc8b275c
[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] aed3575d91a21833b0d63ebb9b7b50b10f22034e860bc3c0e6e8204961cab647
[INFO] running `Command { std: "docker" "start" "-a" "aed3575d91a21833b0d63ebb9b7b50b10f22034e860bc3c0e6e8204961cab647", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking unescaper v0.1.5
[INFO] [stderr]     Checking serialport v4.5.1
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking gcode-serial v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.44s
[INFO] running `Command { std: "docker" "inspect" "aed3575d91a21833b0d63ebb9b7b50b10f22034e860bc3c0e6e8204961cab647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed3575d91a21833b0d63ebb9b7b50b10f22034e860bc3c0e6e8204961cab647", kill_on_drop: false }`
[INFO] [stdout] aed3575d91a21833b0d63ebb9b7b50b10f22034e860bc3c0e6e8204961cab647