[INFO] cloning repository https://github.com/lecrepuscule/Rust-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/lecrepuscule/Rust-Guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flecrepuscule%2FRust-Guessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flecrepuscule%2FRust-Guessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b618f3a0d98a48dda094bcc9a31159009796e08
[INFO] testing lecrepuscule/Rust-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%2Flecrepuscule%2FRust-Guessing_game" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lecrepuscule/Rust-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/lecrepuscule/Rust-Guessing_game
[INFO] finished tweaking git repo https://github.com/lecrepuscule/Rust-Guessing_game
[INFO] tweaked toml for git repo https://github.com/lecrepuscule/Rust-Guessing_game written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lecrepuscule/Rust-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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7c53c976ce89e0b00fd83b70cbec4fd6d2de44a976cbfbe7aee49c5934e9572c
[INFO] running `Command { std: "docker" "start" "-a" "7c53c976ce89e0b00fd83b70cbec4fd6d2de44a976cbfbe7aee49c5934e9572c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c53c976ce89e0b00fd83b70cbec4fd6d2de44a976cbfbe7aee49c5934e9572c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c53c976ce89e0b00fd83b70cbec4fd6d2de44a976cbfbe7aee49c5934e9572c", kill_on_drop: false }`
[INFO] [stdout] 7c53c976ce89e0b00fd83b70cbec4fd6d2de44a976cbfbe7aee49c5934e9572c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 78290a243f6960871d8f0af1303613267d4b5f52ef57374d7524c569f941a90a
[INFO] running `Command { std: "docker" "start" "-a" "78290a243f6960871d8f0af1303613267d4b5f52ef57374d7524c569f941a90a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "78290a243f6960871d8f0af1303613267d4b5f52ef57374d7524c569f941a90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78290a243f6960871d8f0af1303613267d4b5f52ef57374d7524c569f941a90a", kill_on_drop: false }`
[INFO] [stdout] 78290a243f6960871d8f0af1303613267d4b5f52ef57374d7524c569f941a90a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4b39f7cf5b04ab16d7785b12b00dabc6ce23000087df1f2fda762bdf9c0ec400
[INFO] running `Command { std: "docker" "start" "-a" "4b39f7cf5b04ab16d7785b12b00dabc6ce23000087df1f2fda762bdf9c0ec400", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "4b39f7cf5b04ab16d7785b12b00dabc6ce23000087df1f2fda762bdf9c0ec400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b39f7cf5b04ab16d7785b12b00dabc6ce23000087df1f2fda762bdf9c0ec400", kill_on_drop: false }`
[INFO] [stdout] 4b39f7cf5b04ab16d7785b12b00dabc6ce23000087df1f2fda762bdf9c0ec400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 50125ed195fd5f8eb875e2d9469b56897ef99bec87c0c610702619ae5a7a428b
[INFO] running `Command { std: "docker" "start" "-a" "50125ed195fd5f8eb875e2d9469b56897ef99bec87c0c610702619ae5a7a428b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-fead7871bedf4f07)
[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" "50125ed195fd5f8eb875e2d9469b56897ef99bec87c0c610702619ae5a7a428b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50125ed195fd5f8eb875e2d9469b56897ef99bec87c0c610702619ae5a7a428b", kill_on_drop: false }`
[INFO] [stdout] 50125ed195fd5f8eb875e2d9469b56897ef99bec87c0c610702619ae5a7a428b