[INFO] fetching crate headtail 0.3.2...
[INFO] checking headtail-0.3.2 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate headtail 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate headtail 0.3.2 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate headtail 0.3.2
[INFO] finished tweaking crates.io crate headtail 0.3.2
[INFO] tweaked toml for crates.io crate headtail 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate headtail 0.3.2 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kqueue-sys v1.0.3
[INFO] [stderr]   Downloaded kqueue v1.0.6
[INFO] [stderr]   Downloaded env_logger v0.9.1
[INFO] [stderr]   Downloaded filetime v0.2.17
[INFO] [stderr]   Downloaded fsevent-sys v4.1.0
[INFO] [stderr]   Downloaded inotify v0.9.6
[INFO] [stderr]   Downloaded notify v5.0.0
[INFO] [stderr]   Downloaded clap v3.2.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c0d32054e46a8679f4534528dbe88a296b0ba407c50a50ed370d06f4b8a0dbb
[INFO] running `Command { std: "docker" "start" "-a" "6c0d32054e46a8679f4534528dbe88a296b0ba407c50a50ed370d06f4b8a0dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c0d32054e46a8679f4534528dbe88a296b0ba407c50a50ed370d06f4b8a0dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0d32054e46a8679f4534528dbe88a296b0ba407c50a50ed370d06f4b8a0dbb", kill_on_drop: false }`
[INFO] [stdout] 6c0d32054e46a8679f4534528dbe88a296b0ba407c50a50ed370d06f4b8a0dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f31950b17ee3309ff024bfc73e96d77b0e1a1dc1c618762ddb8c8433bf49ec25
[INFO] running `Command { std: "docker" "start" "-a" "f31950b17ee3309ff024bfc73e96d77b0e1a1dc1c618762ddb8c8433bf49ec25", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking notify v5.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking env_logger v0.9.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]     Checking clap v3.2.21
[INFO] [stderr]     Checking headtail v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.90s
[INFO] running `Command { std: "docker" "inspect" "f31950b17ee3309ff024bfc73e96d77b0e1a1dc1c618762ddb8c8433bf49ec25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31950b17ee3309ff024bfc73e96d77b0e1a1dc1c618762ddb8c8433bf49ec25", kill_on_drop: false }`
[INFO] [stdout] f31950b17ee3309ff024bfc73e96d77b0e1a1dc1c618762ddb8c8433bf49ec25