[INFO] cloning repository https://github.com/ralph-deng/bulls-cows
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ralph-deng/bulls-cows" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralph-deng%2Fbulls-cows", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralph-deng%2Fbulls-cows'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a37d48e6f618bd0cc0fb762774538f7af158e553
[INFO] testing ralph-deng/bulls-cows against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralph-deng%2Fbulls-cows" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ralph-deng/bulls-cows on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ralph-deng/bulls-cows
[INFO] finished tweaking git repo https://github.com/ralph-deng/bulls-cows
[INFO] tweaked toml for git repo https://github.com/ralph-deng/bulls-cows written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ralph-deng/bulls-cows already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b745e90c4648f605686da78493ef05e1a9e9304655501dbb64ca61dc4dbe3a6
[INFO] running `Command { std: "docker" "start" "-a" "0b745e90c4648f605686da78493ef05e1a9e9304655501dbb64ca61dc4dbe3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b745e90c4648f605686da78493ef05e1a9e9304655501dbb64ca61dc4dbe3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b745e90c4648f605686da78493ef05e1a9e9304655501dbb64ca61dc4dbe3a6", kill_on_drop: false }`
[INFO] [stdout] 0b745e90c4648f605686da78493ef05e1a9e9304655501dbb64ca61dc4dbe3a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7252a9aa547659ecad4a49dc3806b7eebc28f76b50796edf6276a12fc1488eb4
[INFO] running `Command { std: "docker" "start" "-a" "7252a9aa547659ecad4a49dc3806b7eebc28f76b50796edf6276a12fc1488eb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[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 bulls-cows v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "7252a9aa547659ecad4a49dc3806b7eebc28f76b50796edf6276a12fc1488eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7252a9aa547659ecad4a49dc3806b7eebc28f76b50796edf6276a12fc1488eb4", kill_on_drop: false }`
[INFO] [stdout] 7252a9aa547659ecad4a49dc3806b7eebc28f76b50796edf6276a12fc1488eb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c006c822368586d87e34bd9ad852e186cefd64712c406632a13f29a8421d4ab9
[INFO] running `Command { std: "docker" "start" "-a" "c006c822368586d87e34bd9ad852e186cefd64712c406632a13f29a8421d4ab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling bulls-cows v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c006c822368586d87e34bd9ad852e186cefd64712c406632a13f29a8421d4ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c006c822368586d87e34bd9ad852e186cefd64712c406632a13f29a8421d4ab9", kill_on_drop: false }`
[INFO] [stdout] c006c822368586d87e34bd9ad852e186cefd64712c406632a13f29a8421d4ab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c7d52a62a293405a7c6dfda7433e06bb398723e999c7df0a60b6f6c922a704d
[INFO] running `Command { std: "docker" "start" "-a" "2c7d52a62a293405a7c6dfda7433e06bb398723e999c7df0a60b6f6c922a704d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bulls_cows-b52a4fc80d382e72)
[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" "2c7d52a62a293405a7c6dfda7433e06bb398723e999c7df0a60b6f6c922a704d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7d52a62a293405a7c6dfda7433e06bb398723e999c7df0a60b6f6c922a704d", kill_on_drop: false }`
[INFO] [stdout] 2c7d52a62a293405a7c6dfda7433e06bb398723e999c7df0a60b6f6c922a704d