[INFO] cloning repository https://github.com/alex-mil/bulls-and-cows
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alex-mil/bulls-and-cows" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-mil%2Fbulls-and-cows", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-mil%2Fbulls-and-cows'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5da6c58f0a9323b16693033d0e139f6654b1b29
[INFO] checking alex-mil/bulls-and-cows against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-mil%2Fbulls-and-cows" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alex-mil/bulls-and-cows 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 git repo https://github.com/alex-mil/bulls-and-cows
[INFO] finished tweaking git repo https://github.com/alex-mil/bulls-and-cows
[INFO] tweaked toml for git repo https://github.com/alex-mil/bulls-and-cows written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/alex-mil/bulls-and-cows 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2d0bd0556e08a63d9f61a585130ece573c7feb94b8407a8a0205db138e026283
[INFO] running `Command { std: "docker" "start" "-a" "2d0bd0556e08a63d9f61a585130ece573c7feb94b8407a8a0205db138e026283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0bd0556e08a63d9f61a585130ece573c7feb94b8407a8a0205db138e026283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0bd0556e08a63d9f61a585130ece573c7feb94b8407a8a0205db138e026283", kill_on_drop: false }`
[INFO] [stdout] 2d0bd0556e08a63d9f61a585130ece573c7feb94b8407a8a0205db138e026283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1332cc004ea8781c6d3894d05a640a376d636d855a086f48cd2dcf61bfa9ff1b
[INFO] running `Command { std: "docker" "start" "-a" "1332cc004ea8781c6d3894d05a640a376d636d855a086f48cd2dcf61bfa9ff1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bulls_and_cows v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "1332cc004ea8781c6d3894d05a640a376d636d855a086f48cd2dcf61bfa9ff1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1332cc004ea8781c6d3894d05a640a376d636d855a086f48cd2dcf61bfa9ff1b", kill_on_drop: false }`
[INFO] [stdout] 1332cc004ea8781c6d3894d05a640a376d636d855a086f48cd2dcf61bfa9ff1b