[INFO] fetching crate sandbox_guessing_game 0.1.3...
[INFO] testing sandbox_guessing_game-0.1.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate sandbox_guessing_game 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sandbox_guessing_game 0.1.3 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sandbox_guessing_game 0.1.3
[INFO] finished tweaking crates.io crate sandbox_guessing_game 0.1.3
[INFO] tweaked toml for crates.io crate sandbox_guessing_game 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b18cf36cfa957c3f3ffc6c6a7c3d581d3f8b6bb4c3eff5bb432459c266ac968a
[INFO] running `Command { std: "docker" "start" "-a" "b18cf36cfa957c3f3ffc6c6a7c3d581d3f8b6bb4c3eff5bb432459c266ac968a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b18cf36cfa957c3f3ffc6c6a7c3d581d3f8b6bb4c3eff5bb432459c266ac968a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b18cf36cfa957c3f3ffc6c6a7c3d581d3f8b6bb4c3eff5bb432459c266ac968a", kill_on_drop: false }`
[INFO] [stdout] b18cf36cfa957c3f3ffc6c6a7c3d581d3f8b6bb4c3eff5bb432459c266ac968a
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7979126ef3c2e0e8e0f764c6068f586f3e9559c1c7067504561694e85c3f8a41
[INFO] running `Command { std: "docker" "start" "-a" "7979126ef3c2e0e8e0f764c6068f586f3e9559c1c7067504561694e85c3f8a41", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling sandbox_guessing_game v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "7979126ef3c2e0e8e0f764c6068f586f3e9559c1c7067504561694e85c3f8a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7979126ef3c2e0e8e0f764c6068f586f3e9559c1c7067504561694e85c3f8a41", kill_on_drop: false }`
[INFO] [stdout] 7979126ef3c2e0e8e0f764c6068f586f3e9559c1c7067504561694e85c3f8a41
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54e74c05cafe69d6fe8e589d79c9b92638f930ccf80dfc99afb0f646feda47d8
[INFO] running `Command { std: "docker" "start" "-a" "54e74c05cafe69d6fe8e589d79c9b92638f930ccf80dfc99afb0f646feda47d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sandbox_guessing_game v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "54e74c05cafe69d6fe8e589d79c9b92638f930ccf80dfc99afb0f646feda47d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e74c05cafe69d6fe8e589d79c9b92638f930ccf80dfc99afb0f646feda47d8", kill_on_drop: false }`
[INFO] [stdout] 54e74c05cafe69d6fe8e589d79c9b92638f930ccf80dfc99afb0f646feda47d8
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12009c7bb5adf58e8a035c01eed12f5e8d8d619e2caba93a4f81824b978b737a
[INFO] running `Command { std: "docker" "start" "-a" "12009c7bb5adf58e8a035c01eed12f5e8d8d619e2caba93a4f81824b978b737a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sandbox_guessing_game-39b7e8ff0025d436)
[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" "12009c7bb5adf58e8a035c01eed12f5e8d8d619e2caba93a4f81824b978b737a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12009c7bb5adf58e8a035c01eed12f5e8d8d619e2caba93a4f81824b978b737a", kill_on_drop: false }`
[INFO] [stdout] 12009c7bb5adf58e8a035c01eed12f5e8d8d619e2caba93a4f81824b978b737a