[INFO] cloning repository https://github.com/shmutalov/growingtree-maze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shmutalov/growingtree-maze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmutalov%2Fgrowingtree-maze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmutalov%2Fgrowingtree-maze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52d79d954b1aaf81899d599e1452d4428547cc0a
[INFO] testing shmutalov/growingtree-maze against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmutalov%2Fgrowingtree-maze" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shmutalov/growingtree-maze on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shmutalov/growingtree-maze
[INFO] finished tweaking git repo https://github.com/shmutalov/growingtree-maze
[INFO] tweaked toml for git repo https://github.com/shmutalov/growingtree-maze written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/shmutalov/growingtree-maze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f990f5450ce6fc3befe91fed9fd6696dbaec5071cc2a5942f22aaeef2cef2a33
[INFO] running `Command { std: "docker" "start" "-a" "f990f5450ce6fc3befe91fed9fd6696dbaec5071cc2a5942f22aaeef2cef2a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f990f5450ce6fc3befe91fed9fd6696dbaec5071cc2a5942f22aaeef2cef2a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f990f5450ce6fc3befe91fed9fd6696dbaec5071cc2a5942f22aaeef2cef2a33", kill_on_drop: false }`
[INFO] [stdout] f990f5450ce6fc3befe91fed9fd6696dbaec5071cc2a5942f22aaeef2cef2a33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3588eaa65883b5b53ad427eb5e2d75bc4e9ce3c8236e529385cf8dc34bdb7133
[INFO] running `Command { std: "docker" "start" "-a" "3588eaa65883b5b53ad427eb5e2d75bc4e9ce3c8236e529385cf8dc34bdb7133", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling growingtree-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "3588eaa65883b5b53ad427eb5e2d75bc4e9ce3c8236e529385cf8dc34bdb7133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3588eaa65883b5b53ad427eb5e2d75bc4e9ce3c8236e529385cf8dc34bdb7133", kill_on_drop: false }`
[INFO] [stdout] 3588eaa65883b5b53ad427eb5e2d75bc4e9ce3c8236e529385cf8dc34bdb7133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9db436a97f56b098b813e66d9307716d8d925fbab03fd9bf6817331cb261231e
[INFO] running `Command { std: "docker" "start" "-a" "9db436a97f56b098b813e66d9307716d8d925fbab03fd9bf6817331cb261231e", kill_on_drop: false }`
[INFO] [stderr]    Compiling growingtree-maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "9db436a97f56b098b813e66d9307716d8d925fbab03fd9bf6817331cb261231e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db436a97f56b098b813e66d9307716d8d925fbab03fd9bf6817331cb261231e", kill_on_drop: false }`
[INFO] [stdout] 9db436a97f56b098b813e66d9307716d8d925fbab03fd9bf6817331cb261231e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc45f326e0a01ff6280f24a160bd9590dcba86487d3170e3d8e3d8afbc81ba28
[INFO] running `Command { std: "docker" "start" "-a" "bc45f326e0a01ff6280f24a160bd9590dcba86487d3170e3d8e3d8afbc81ba28", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/growingtree_maze-7f048ad0e908737a)
[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" "bc45f326e0a01ff6280f24a160bd9590dcba86487d3170e3d8e3d8afbc81ba28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc45f326e0a01ff6280f24a160bd9590dcba86487d3170e3d8e3d8afbc81ba28", kill_on_drop: false }`
[INFO] [stdout] bc45f326e0a01ff6280f24a160bd9590dcba86487d3170e3d8e3d8afbc81ba28