[INFO] cloning repository https://github.com/mcsweeneyJA/RustHelloWorld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcsweeneyJA/RustHelloWorld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmcsweeneyJA%2FRustHelloWorld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmcsweeneyJA%2FRustHelloWorld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e385ca274c56082111221c775d6b7a78c39377e2
[INFO] testing mcsweeneyJA/RustHelloWorld against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmcsweeneyJA%2FRustHelloWorld" "/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/mcsweeneyJA/RustHelloWorld 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/mcsweeneyJA/RustHelloWorld
[INFO] finished tweaking git repo https://github.com/mcsweeneyJA/RustHelloWorld
[INFO] tweaked toml for git repo https://github.com/mcsweeneyJA/RustHelloWorld written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/mcsweeneyJA/RustHelloWorld 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] a08d17c3f5fe92a20ccb19aabdde2e92967e53242998ee610ae217fd1ba103fb
[INFO] running `Command { std: "docker" "start" "-a" "a08d17c3f5fe92a20ccb19aabdde2e92967e53242998ee610ae217fd1ba103fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a08d17c3f5fe92a20ccb19aabdde2e92967e53242998ee610ae217fd1ba103fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08d17c3f5fe92a20ccb19aabdde2e92967e53242998ee610ae217fd1ba103fb", kill_on_drop: false }`
[INFO] [stdout] a08d17c3f5fe92a20ccb19aabdde2e92967e53242998ee610ae217fd1ba103fb
[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] 014d299830d55f0820be85b19a4a4b616b28252a4382e8d287948478fa579528
[INFO] running `Command { std: "docker" "start" "-a" "014d299830d55f0820be85b19a4a4b616b28252a4382e8d287948478fa579528", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling rand_core v0.4.2
[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 4.79s
[INFO] running `Command { std: "docker" "inspect" "014d299830d55f0820be85b19a4a4b616b28252a4382e8d287948478fa579528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014d299830d55f0820be85b19a4a4b616b28252a4382e8d287948478fa579528", kill_on_drop: false }`
[INFO] [stdout] 014d299830d55f0820be85b19a4a4b616b28252a4382e8d287948478fa579528
[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] ed522d311c8cba081cd41a95da9d6678f1d478ee714938c986106719d8f384a9
[INFO] running `Command { std: "docker" "start" "-a" "ed522d311c8cba081cd41a95da9d6678f1d478ee714938c986106719d8f384a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "ed522d311c8cba081cd41a95da9d6678f1d478ee714938c986106719d8f384a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed522d311c8cba081cd41a95da9d6678f1d478ee714938c986106719d8f384a9", kill_on_drop: false }`
[INFO] [stdout] ed522d311c8cba081cd41a95da9d6678f1d478ee714938c986106719d8f384a9
[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] d7ba865079a9adda71138ca23913040237d957cf9291d69640ac2e2edfbda909
[INFO] running `Command { std: "docker" "start" "-a" "d7ba865079a9adda71138ca23913040237d957cf9291d69640ac2e2edfbda909", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 39.68s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-f74562a6be4aa6e1)
[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" "d7ba865079a9adda71138ca23913040237d957cf9291d69640ac2e2edfbda909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ba865079a9adda71138ca23913040237d957cf9291d69640ac2e2edfbda909", kill_on_drop: false }`
[INFO] [stdout] d7ba865079a9adda71138ca23913040237d957cf9291d69640ac2e2edfbda909