[INFO] cloning repository https://github.com/ariandy/monte-carlo-pi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ariandy/monte-carlo-pi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fariandy%2Fmonte-carlo-pi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fariandy%2Fmonte-carlo-pi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 316194135c79bacf6f769bf357c4bba2e3b0a900
[INFO] testing ariandy/monte-carlo-pi against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fariandy%2Fmonte-carlo-pi" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ariandy/monte-carlo-pi 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/ariandy/monte-carlo-pi
[INFO] finished tweaking git repo https://github.com/ariandy/monte-carlo-pi
[INFO] tweaked toml for git repo https://github.com/ariandy/monte-carlo-pi written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/ariandy/monte-carlo-pi 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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 6c9551c8dde547884a274f3a086728977f277610282c9b0835f08daf7dd5b587
[INFO] running `Command { std: "docker" "start" "-a" "6c9551c8dde547884a274f3a086728977f277610282c9b0835f08daf7dd5b587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c9551c8dde547884a274f3a086728977f277610282c9b0835f08daf7dd5b587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9551c8dde547884a274f3a086728977f277610282c9b0835f08daf7dd5b587", kill_on_drop: false }`
[INFO] [stdout] 6c9551c8dde547884a274f3a086728977f277610282c9b0835f08daf7dd5b587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] de134eea3b4ba8129fcef4c3c2b922974edda3542701a98c3a8908c4906d3478
[INFO] running `Command { std: "docker" "start" "-a" "de134eea3b4ba8129fcef4c3c2b922974edda3542701a98c3a8908c4906d3478", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling monte-carlo-pi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `Command { std: "docker" "inspect" "de134eea3b4ba8129fcef4c3c2b922974edda3542701a98c3a8908c4906d3478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de134eea3b4ba8129fcef4c3c2b922974edda3542701a98c3a8908c4906d3478", kill_on_drop: false }`
[INFO] [stdout] de134eea3b4ba8129fcef4c3c2b922974edda3542701a98c3a8908c4906d3478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 78af37cda2cab9d08e9611095dfc4e1b127996e327d59ea4b7afa0eca96c2d94
[INFO] running `Command { std: "docker" "start" "-a" "78af37cda2cab9d08e9611095dfc4e1b127996e327d59ea4b7afa0eca96c2d94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling monte-carlo-pi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "78af37cda2cab9d08e9611095dfc4e1b127996e327d59ea4b7afa0eca96c2d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78af37cda2cab9d08e9611095dfc4e1b127996e327d59ea4b7afa0eca96c2d94", kill_on_drop: false }`
[INFO] [stdout] 78af37cda2cab9d08e9611095dfc4e1b127996e327d59ea4b7afa0eca96c2d94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 1fe29a44d0f4d0c73f2d9dddbef9808b956075d5d5b8b15dd121031346ba0733
[INFO] running `Command { std: "docker" "start" "-a" "1fe29a44d0f4d0c73f2d9dddbef9808b956075d5d5b8b15dd121031346ba0733", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monte_carlo_pi-93f491bd0a9fb2a5)
[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" "1fe29a44d0f4d0c73f2d9dddbef9808b956075d5d5b8b15dd121031346ba0733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe29a44d0f4d0c73f2d9dddbef9808b956075d5d5b8b15dd121031346ba0733", kill_on_drop: false }`
[INFO] [stdout] 1fe29a44d0f4d0c73f2d9dddbef9808b956075d5d5b8b15dd121031346ba0733