[INFO] fetching crate k12sum 0.1.5...
[INFO] checking k12sum-0.1.5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate k12sum 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate k12sum 0.1.5 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate k12sum 0.1.5
[INFO] finished tweaking crates.io crate k12sum 0.1.5
[INFO] tweaked toml for crates.io crate k12sum 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate k12sum 0.1.5 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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 shared_child v0.3.5
[INFO] [stderr]   Downloaded wild v2.1.0
[INFO] [stderr]   Downloaded duct v0.13.5
[INFO] [stderr]   Downloaded kangarootwelve_xkcp v0.1.5
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85d0e3f79365499a19efb58cc8f268e9958e01f69e0cd3434d99849c402a1b61
[INFO] running `Command { std: "docker" "start" "-a" "85d0e3f79365499a19efb58cc8f268e9958e01f69e0cd3434d99849c402a1b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d0e3f79365499a19efb58cc8f268e9958e01f69e0cd3434d99849c402a1b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d0e3f79365499a19efb58cc8f268e9958e01f69e0cd3434d99849c402a1b61", kill_on_drop: false }`
[INFO] [stdout] 85d0e3f79365499a19efb58cc8f268e9958e01f69e0cd3434d99849c402a1b61
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a31e435978711664d5a771368f62001013b60a2a737bae79fdad753325ded476
[INFO] running `Command { std: "docker" "start" "-a" "a31e435978711664d5a771368f62001013b60a2a737bae79fdad753325ded476", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking wild v2.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling kangarootwelve_xkcp v0.1.5
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking shared_child v0.3.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking duct v0.13.5
[INFO] [stderr]     Checking k12sum v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "a31e435978711664d5a771368f62001013b60a2a737bae79fdad753325ded476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31e435978711664d5a771368f62001013b60a2a737bae79fdad753325ded476", kill_on_drop: false }`
[INFO] [stdout] a31e435978711664d5a771368f62001013b60a2a737bae79fdad753325ded476