[INFO] cloning repository https://github.com/mirao/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mirao/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirao%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirao%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd45bcc3a6b37acf14118f82ba294b42b33b0753
[INFO] testing mirao/guessing_game against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirao%2Fguessing_game" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mirao/guessing_game on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mirao/guessing_game
[INFO] finished tweaking git repo https://github.com/mirao/guessing_game
[INFO] tweaked toml for git repo https://github.com/mirao/guessing_game written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/mirao/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77f525fe1a13ae9ff081eba3c9b9e9b92678b38f01a3b342f2256128a8267809
[INFO] running `Command { std: "docker" "start" "-a" "77f525fe1a13ae9ff081eba3c9b9e9b92678b38f01a3b342f2256128a8267809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77f525fe1a13ae9ff081eba3c9b9e9b92678b38f01a3b342f2256128a8267809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f525fe1a13ae9ff081eba3c9b9e9b92678b38f01a3b342f2256128a8267809", kill_on_drop: false }`
[INFO] [stdout] 77f525fe1a13ae9ff081eba3c9b9e9b92678b38f01a3b342f2256128a8267809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5186050c5fa748258c18f69297b38a68c5adf9736939bf74ade48186393d542
[INFO] running `Command { std: "docker" "start" "-a" "e5186050c5fa748258c18f69297b38a68c5adf9736939bf74ade48186393d542", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.87s
[INFO] running `Command { std: "docker" "inspect" "e5186050c5fa748258c18f69297b38a68c5adf9736939bf74ade48186393d542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5186050c5fa748258c18f69297b38a68c5adf9736939bf74ade48186393d542", kill_on_drop: false }`
[INFO] [stdout] e5186050c5fa748258c18f69297b38a68c5adf9736939bf74ade48186393d542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bcdec1c949ab7b6abbf093048e3590cf7c2a01c75c00ee25a8f4dc4dec0e3c5
[INFO] running `Command { std: "docker" "start" "-a" "4bcdec1c949ab7b6abbf093048e3590cf7c2a01c75c00ee25a8f4dc4dec0e3c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 48.26s
[INFO] running `Command { std: "docker" "inspect" "4bcdec1c949ab7b6abbf093048e3590cf7c2a01c75c00ee25a8f4dc4dec0e3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bcdec1c949ab7b6abbf093048e3590cf7c2a01c75c00ee25a8f4dc4dec0e3c5", kill_on_drop: false }`
[INFO] [stdout] 4bcdec1c949ab7b6abbf093048e3590cf7c2a01c75c00ee25a8f4dc4dec0e3c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c590d4efb071f49ffe4dda7ea7a3d07c14f2249b5d4dfb5d04570300b13c8b8
[INFO] running `Command { std: "docker" "start" "-a" "8c590d4efb071f49ffe4dda7ea7a3d07c14f2249b5d4dfb5d04570300b13c8b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-5c3366d9d3705d03)
[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" "8c590d4efb071f49ffe4dda7ea7a3d07c14f2249b5d4dfb5d04570300b13c8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c590d4efb071f49ffe4dda7ea7a3d07c14f2249b5d4dfb5d04570300b13c8b8", kill_on_drop: false }`
[INFO] [stdout] 8c590d4efb071f49ffe4dda7ea7a3d07c14f2249b5d4dfb5d04570300b13c8b8