[INFO] cloning repository https://github.com/buchuitoudegou/MiniGrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buchuitoudegou/MiniGrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuchuitoudegou%2FMiniGrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuchuitoudegou%2FMiniGrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd2f761709bbbc2692f67be5bf1b9ae5bb3364ca
[INFO] testing buchuitoudegou/MiniGrep against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuchuitoudegou%2FMiniGrep" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/buchuitoudegou/MiniGrep on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/buchuitoudegou/MiniGrep
[INFO] finished tweaking git repo https://github.com/buchuitoudegou/MiniGrep
[INFO] tweaked toml for git repo https://github.com/buchuitoudegou/MiniGrep written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/buchuitoudegou/MiniGrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a74fd410a7e02b37b2ee90290bdc97be6183cf3923c75b832f47f30aec089c6
[INFO] running `Command { std: "docker" "start" "-a" "2a74fd410a7e02b37b2ee90290bdc97be6183cf3923c75b832f47f30aec089c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a74fd410a7e02b37b2ee90290bdc97be6183cf3923c75b832f47f30aec089c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a74fd410a7e02b37b2ee90290bdc97be6183cf3923c75b832f47f30aec089c6", kill_on_drop: false }`
[INFO] [stdout] 2a74fd410a7e02b37b2ee90290bdc97be6183cf3923c75b832f47f30aec089c6
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af219db6abf69df9d3457472ce7a5d1343394d1f983656c19f7bddad3cabdb06
[INFO] running `Command { std: "docker" "start" "-a" "af219db6abf69df9d3457472ce7a5d1343394d1f983656c19f7bddad3cabdb06", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "af219db6abf69df9d3457472ce7a5d1343394d1f983656c19f7bddad3cabdb06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af219db6abf69df9d3457472ce7a5d1343394d1f983656c19f7bddad3cabdb06", kill_on_drop: false }`
[INFO] [stdout] af219db6abf69df9d3457472ce7a5d1343394d1f983656c19f7bddad3cabdb06
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6252207e4a23e83a85160fbff317b93c0e8444b22226d622c6ad5abeb21282e
[INFO] running `Command { std: "docker" "start" "-a" "c6252207e4a23e83a85160fbff317b93c0e8444b22226d622c6ad5abeb21282e", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "c6252207e4a23e83a85160fbff317b93c0e8444b22226d622c6ad5abeb21282e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6252207e4a23e83a85160fbff317b93c0e8444b22226d622c6ad5abeb21282e", kill_on_drop: false }`
[INFO] [stdout] c6252207e4a23e83a85160fbff317b93c0e8444b22226d622c6ad5abeb21282e
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 324644291fa199d08ff096e447abb877a1d2bf6431422a5d72a9001926a8729d
[INFO] running `Command { std: "docker" "start" "-a" "324644291fa199d08ff096e447abb877a1d2bf6431422a5d72a9001926a8729d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep-e3d4b21f035fba8a)
[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" "324644291fa199d08ff096e447abb877a1d2bf6431422a5d72a9001926a8729d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324644291fa199d08ff096e447abb877a1d2bf6431422a5d72a9001926a8729d", kill_on_drop: false }`
[INFO] [stdout] 324644291fa199d08ff096e447abb877a1d2bf6431422a5d72a9001926a8729d