[INFO] cloning repository https://github.com/howeih/Day-36-Bulls-Cows
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-36-Bulls-Cows" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-36-Bulls-Cows", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-36-Bulls-Cows'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1121ce48cb15e330a1903c0279947ecca1a23069
[INFO] testing howeih/Day-36-Bulls-Cows against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-36-Bulls-Cows" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-36-Bulls-Cows on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/howeih/Day-36-Bulls-Cows
[INFO] finished tweaking git repo https://github.com/howeih/Day-36-Bulls-Cows
[INFO] tweaked toml for git repo https://github.com/howeih/Day-36-Bulls-Cows written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-36-Bulls-Cows already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bfb60528bfa99f2555ea4a00ed7e6f5e71e3f7a7fc2b8e0bf09a52b6841367f
[INFO] running `Command { std: "docker" "start" "-a" "5bfb60528bfa99f2555ea4a00ed7e6f5e71e3f7a7fc2b8e0bf09a52b6841367f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bfb60528bfa99f2555ea4a00ed7e6f5e71e3f7a7fc2b8e0bf09a52b6841367f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bfb60528bfa99f2555ea4a00ed7e6f5e71e3f7a7fc2b8e0bf09a52b6841367f", kill_on_drop: false }`
[INFO] [stdout] 5bfb60528bfa99f2555ea4a00ed7e6f5e71e3f7a7fc2b8e0bf09a52b6841367f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc23ac440882fab60ab862d4b3dc93745f9cd710c5c6ae8395c19634e47d8b1e
[INFO] running `Command { std: "docker" "start" "-a" "bc23ac440882fab60ab862d4b3dc93745f9cd710c5c6ae8395c19634e47d8b1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling bulls_and_cows v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "bc23ac440882fab60ab862d4b3dc93745f9cd710c5c6ae8395c19634e47d8b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc23ac440882fab60ab862d4b3dc93745f9cd710c5c6ae8395c19634e47d8b1e", kill_on_drop: false }`
[INFO] [stdout] bc23ac440882fab60ab862d4b3dc93745f9cd710c5c6ae8395c19634e47d8b1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2991e92f47dd0e412b14205010e28a6de93a206b476f41c7a3698970d171c18a
[INFO] running `Command { std: "docker" "start" "-a" "2991e92f47dd0e412b14205010e28a6de93a206b476f41c7a3698970d171c18a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bulls_and_cows v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/bulls_and_cows-376be7e170a75eb8)
[INFO] running `Command { std: "docker" "inspect" "2991e92f47dd0e412b14205010e28a6de93a206b476f41c7a3698970d171c18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2991e92f47dd0e412b14205010e28a6de93a206b476f41c7a3698970d171c18a", kill_on_drop: false }`
[INFO] [stdout] 2991e92f47dd0e412b14205010e28a6de93a206b476f41c7a3698970d171c18a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5da6d157cf15459ff3e0225974f051100fb52ac485ce1565d114b0ba8713ba65
[INFO] running `Command { std: "docker" "start" "-a" "5da6d157cf15459ff3e0225974f051100fb52ac485ce1565d114b0ba8713ba65", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bulls_and_cows-376be7e170a75eb8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5da6d157cf15459ff3e0225974f051100fb52ac485ce1565d114b0ba8713ba65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da6d157cf15459ff3e0225974f051100fb52ac485ce1565d114b0ba8713ba65", kill_on_drop: false }`
[INFO] [stdout] 5da6d157cf15459ff3e0225974f051100fb52ac485ce1565d114b0ba8713ba65