[INFO] cloning repository https://github.com/parker-frost/guessing_game_pf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/parker-frost/guessing_game_pf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparker-frost%2Fguessing_game_pf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparker-frost%2Fguessing_game_pf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96a561ec832f12ba6e1de269bd37127f566a897d
[INFO] testing parker-frost/guessing_game_pf against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparker-frost%2Fguessing_game_pf" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/parker-frost/guessing_game_pf 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/parker-frost/guessing_game_pf
[INFO] finished tweaking git repo https://github.com/parker-frost/guessing_game_pf
[INFO] tweaked toml for git repo https://github.com/parker-frost/guessing_game_pf written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/parker-frost/guessing_game_pf 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9f38418f633f382deab0b00c14bbea2e83582290d1e145065d136af51b8e2835
[INFO] running `Command { std: "docker" "start" "-a" "9f38418f633f382deab0b00c14bbea2e83582290d1e145065d136af51b8e2835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f38418f633f382deab0b00c14bbea2e83582290d1e145065d136af51b8e2835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f38418f633f382deab0b00c14bbea2e83582290d1e145065d136af51b8e2835", kill_on_drop: false }`
[INFO] [stdout] 9f38418f633f382deab0b00c14bbea2e83582290d1e145065d136af51b8e2835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c1f177f4ce9cd49aa14491f344e0526f5df182657853b70a4485616dcbd00a3d
[INFO] running `Command { std: "docker" "start" "-a" "c1f177f4ce9cd49aa14491f344e0526f5df182657853b70a4485616dcbd00a3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling rand_core v0.3.1
[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 5.77s
[INFO] running `Command { std: "docker" "inspect" "c1f177f4ce9cd49aa14491f344e0526f5df182657853b70a4485616dcbd00a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f177f4ce9cd49aa14491f344e0526f5df182657853b70a4485616dcbd00a3d", kill_on_drop: false }`
[INFO] [stdout] c1f177f4ce9cd49aa14491f344e0526f5df182657853b70a4485616dcbd00a3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b3d4a8ced4906b131dea4e1ad9989d17e2d2c85be24043b1abd385f4aaf2bca0
[INFO] running `Command { std: "docker" "start" "-a" "b3d4a8ced4906b131dea4e1ad9989d17e2d2c85be24043b1abd385f4aaf2bca0", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "b3d4a8ced4906b131dea4e1ad9989d17e2d2c85be24043b1abd385f4aaf2bca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d4a8ced4906b131dea4e1ad9989d17e2d2c85be24043b1abd385f4aaf2bca0", kill_on_drop: false }`
[INFO] [stdout] b3d4a8ced4906b131dea4e1ad9989d17e2d2c85be24043b1abd385f4aaf2bca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a84ae359a896e17f1063000a0929c5c241bfbc1d599d1e0df2aa21773fe5cc82
[INFO] running `Command { std: "docker" "start" "-a" "a84ae359a896e17f1063000a0929c5c241bfbc1d599d1e0df2aa21773fe5cc82", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-c225c7e9d4c24791)
[INFO] running `Command { std: "docker" "inspect" "a84ae359a896e17f1063000a0929c5c241bfbc1d599d1e0df2aa21773fe5cc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84ae359a896e17f1063000a0929c5c241bfbc1d599d1e0df2aa21773fe5cc82", kill_on_drop: false }`
[INFO] [stdout] a84ae359a896e17f1063000a0929c5c241bfbc1d599d1e0df2aa21773fe5cc82