[INFO] cloning repository https://github.com/VanRust/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/VanRust/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanRust%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanRust%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9de2a2bcb05d4cd4c20a2c22b8fa00c3a9a4ca1d
[INFO] testing VanRust/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%2FVanRust%2Fguessing_game" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VanRust/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/VanRust/guessing_game
[INFO] finished tweaking git repo https://github.com/VanRust/guessing_game
[INFO] tweaked toml for git repo https://github.com/VanRust/guessing_game written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/VanRust/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 09da29a06225f00a2c94e325c64606c97fc7ad8112715fd4ed8769bd10cf78b0
[INFO] running `Command { std: "docker" "start" "-a" "09da29a06225f00a2c94e325c64606c97fc7ad8112715fd4ed8769bd10cf78b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09da29a06225f00a2c94e325c64606c97fc7ad8112715fd4ed8769bd10cf78b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09da29a06225f00a2c94e325c64606c97fc7ad8112715fd4ed8769bd10cf78b0", kill_on_drop: false }`
[INFO] [stdout] 09da29a06225f00a2c94e325c64606c97fc7ad8112715fd4ed8769bd10cf78b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] c3a481c2f99d17f0e267aa759d473dbe9b9f62e681db619543b5d3798ed29946
[INFO] running `Command { std: "docker" "start" "-a" "c3a481c2f99d17f0e267aa759d473dbe9b9f62e681db619543b5d3798ed29946", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.40s
[INFO] running `Command { std: "docker" "inspect" "c3a481c2f99d17f0e267aa759d473dbe9b9f62e681db619543b5d3798ed29946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a481c2f99d17f0e267aa759d473dbe9b9f62e681db619543b5d3798ed29946", kill_on_drop: false }`
[INFO] [stdout] c3a481c2f99d17f0e267aa759d473dbe9b9f62e681db619543b5d3798ed29946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] cd7960b1c7086cf5f82d6c514f48bce2a58c997a0b06a6d15a94ed7a6cd0e659
[INFO] running `Command { std: "docker" "start" "-a" "cd7960b1c7086cf5f82d6c514f48bce2a58c997a0b06a6d15a94ed7a6cd0e659", 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 2m 40s
[INFO] running `Command { std: "docker" "inspect" "cd7960b1c7086cf5f82d6c514f48bce2a58c997a0b06a6d15a94ed7a6cd0e659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7960b1c7086cf5f82d6c514f48bce2a58c997a0b06a6d15a94ed7a6cd0e659", kill_on_drop: false }`
[INFO] [stdout] cd7960b1c7086cf5f82d6c514f48bce2a58c997a0b06a6d15a94ed7a6cd0e659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 4a0825ac6759ed18aecf675cf6c97c8cab4ada073d5c300e628cb51574734803
[INFO] running `Command { std: "docker" "start" "-a" "4a0825ac6759ed18aecf675cf6c97c8cab4ada073d5c300e628cb51574734803", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-3e77b463c06a0ef7)
[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" "4a0825ac6759ed18aecf675cf6c97c8cab4ada073d5c300e628cb51574734803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0825ac6759ed18aecf675cf6c97c8cab4ada073d5c300e628cb51574734803", kill_on_drop: false }`
[INFO] [stdout] 4a0825ac6759ed18aecf675cf6c97c8cab4ada073d5c300e628cb51574734803