[INFO] cloning repository https://github.com/bkthomps/monty_hall_simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bkthomps/monty_hall_simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkthomps%2Fmonty_hall_simulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkthomps%2Fmonty_hall_simulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f757b7f5d7e7af9f924e324f89caa3a72810dc1b
[INFO] testing bkthomps/monty_hall_simulation against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkthomps%2Fmonty_hall_simulation" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bkthomps/monty_hall_simulation 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/bkthomps/monty_hall_simulation
[INFO] finished tweaking git repo https://github.com/bkthomps/monty_hall_simulation
[INFO] tweaked toml for git repo https://github.com/bkthomps/monty_hall_simulation written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bkthomps/monty_hall_simulation 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2a7590c4fb7a82662cd331d8f9628e7d70b2c4288ed58802253491678f6c3803
[INFO] running `Command { std: "docker" "start" "-a" "2a7590c4fb7a82662cd331d8f9628e7d70b2c4288ed58802253491678f6c3803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a7590c4fb7a82662cd331d8f9628e7d70b2c4288ed58802253491678f6c3803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7590c4fb7a82662cd331d8f9628e7d70b2c4288ed58802253491678f6c3803", kill_on_drop: false }`
[INFO] [stdout] 2a7590c4fb7a82662cd331d8f9628e7d70b2c4288ed58802253491678f6c3803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 22d9023c67e1c8acac542c9fb8a914ffeb9798ae8a751f6ef8d8d24370ef528d
[INFO] running `Command { std: "docker" "start" "-a" "22d9023c67e1c8acac542c9fb8a914ffeb9798ae8a751f6ef8d8d24370ef528d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling monty_hall_simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "22d9023c67e1c8acac542c9fb8a914ffeb9798ae8a751f6ef8d8d24370ef528d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d9023c67e1c8acac542c9fb8a914ffeb9798ae8a751f6ef8d8d24370ef528d", kill_on_drop: false }`
[INFO] [stdout] 22d9023c67e1c8acac542c9fb8a914ffeb9798ae8a751f6ef8d8d24370ef528d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8984f1ab6025637255f72e676e17b3b49359a0f680e5dc95567a5b8234a118a1
[INFO] running `Command { std: "docker" "start" "-a" "8984f1ab6025637255f72e676e17b3b49359a0f680e5dc95567a5b8234a118a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling monty_hall_simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "8984f1ab6025637255f72e676e17b3b49359a0f680e5dc95567a5b8234a118a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8984f1ab6025637255f72e676e17b3b49359a0f680e5dc95567a5b8234a118a1", kill_on_drop: false }`
[INFO] [stdout] 8984f1ab6025637255f72e676e17b3b49359a0f680e5dc95567a5b8234a118a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 28e9d33e467c8897b051d8404376ec3eb9c4f466f87016a946e119490495d1cd
[INFO] running `Command { std: "docker" "start" "-a" "28e9d33e467c8897b051d8404376ec3eb9c4f466f87016a946e119490495d1cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monty_hall_simulation-437d5b3c5adca1cd)
[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" "28e9d33e467c8897b051d8404376ec3eb9c4f466f87016a946e119490495d1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e9d33e467c8897b051d8404376ec3eb9c4f466f87016a946e119490495d1cd", kill_on_drop: false }`
[INFO] [stdout] 28e9d33e467c8897b051d8404376ec3eb9c4f466f87016a946e119490495d1cd