[INFO] fetching crate cribbage-core 0.1.5...
[INFO] checking cribbage-core-0.1.5 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate cribbage-core 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cribbage-core 0.1.5 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cribbage-core 0.1.5
[INFO] finished tweaking crates.io crate cribbage-core 0.1.5
[INFO] tweaked toml for crates.io crate cribbage-core 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cribbage-core 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 146a22cff002f0272dc69ad6f17e7591a331dfd5b09dc2449171342f23f250c5
[INFO] running `Command { std: "docker" "start" "-a" "146a22cff002f0272dc69ad6f17e7591a331dfd5b09dc2449171342f23f250c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "146a22cff002f0272dc69ad6f17e7591a331dfd5b09dc2449171342f23f250c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146a22cff002f0272dc69ad6f17e7591a331dfd5b09dc2449171342f23f250c5", kill_on_drop: false }`
[INFO] [stdout] 146a22cff002f0272dc69ad6f17e7591a331dfd5b09dc2449171342f23f250c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d9c232c04d013057c67476bae4ad8d5af3ad50cba33066b03463c6e637b2981
[INFO] running `Command { std: "docker" "start" "-a" "1d9c232c04d013057c67476bae4ad8d5af3ad50cba33066b03463c6e637b2981", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking cribbage-core v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "1d9c232c04d013057c67476bae4ad8d5af3ad50cba33066b03463c6e637b2981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9c232c04d013057c67476bae4ad8d5af3ad50cba33066b03463c6e637b2981", kill_on_drop: false }`
[INFO] [stdout] 1d9c232c04d013057c67476bae4ad8d5af3ad50cba33066b03463c6e637b2981