[INFO] cloning repository https://github.com/kyrubas/rusty_guess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyrubas/rusty_guess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyrubas%2Frusty_guess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyrubas%2Frusty_guess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77bb32b4bc6fd0e7f04214163d184cda268fd68a
[INFO] testing kyrubas/rusty_guess against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyrubas%2Frusty_guess" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kyrubas/rusty_guess 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/kyrubas/rusty_guess
[INFO] finished tweaking git repo https://github.com/kyrubas/rusty_guess
[INFO] tweaked toml for git repo https://github.com/kyrubas/rusty_guess written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kyrubas/rusty_guess 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 948b31f81227eb5f822b576ba0a93dfc4bf1b768085cffd887ba9ce8086efe66
[INFO] running `Command { std: "docker" "start" "-a" "948b31f81227eb5f822b576ba0a93dfc4bf1b768085cffd887ba9ce8086efe66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "948b31f81227eb5f822b576ba0a93dfc4bf1b768085cffd887ba9ce8086efe66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948b31f81227eb5f822b576ba0a93dfc4bf1b768085cffd887ba9ce8086efe66", kill_on_drop: false }`
[INFO] [stdout] 948b31f81227eb5f822b576ba0a93dfc4bf1b768085cffd887ba9ce8086efe66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5f93d6153312f12e14b631f2da98642d79497812358b5183a73746d354d3412a
[INFO] running `Command { std: "docker" "start" "-a" "5f93d6153312f12e14b631f2da98642d79497812358b5183a73746d354d3412a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "5f93d6153312f12e14b631f2da98642d79497812358b5183a73746d354d3412a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f93d6153312f12e14b631f2da98642d79497812358b5183a73746d354d3412a", kill_on_drop: false }`
[INFO] [stdout] 5f93d6153312f12e14b631f2da98642d79497812358b5183a73746d354d3412a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 55befcda4e3c5b09ef183e5e231634c34fd6aaa8c14ff7c8f2b4d01f08df88a8
[INFO] running `Command { std: "docker" "start" "-a" "55befcda4e3c5b09ef183e5e231634c34fd6aaa8c14ff7c8f2b4d01f08df88a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "55befcda4e3c5b09ef183e5e231634c34fd6aaa8c14ff7c8f2b4d01f08df88a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55befcda4e3c5b09ef183e5e231634c34fd6aaa8c14ff7c8f2b4d01f08df88a8", kill_on_drop: false }`
[INFO] [stdout] 55befcda4e3c5b09ef183e5e231634c34fd6aaa8c14ff7c8f2b4d01f08df88a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5a0e706354151b27ce7318fbb103dc2aeedad6cca2bf9fab99db35ac4cb35ae1
[INFO] running `Command { std: "docker" "start" "-a" "5a0e706354151b27ce7318fbb103dc2aeedad6cca2bf9fab99db35ac4cb35ae1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-fead7871bedf4f07)
[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" "5a0e706354151b27ce7318fbb103dc2aeedad6cca2bf9fab99db35ac4cb35ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0e706354151b27ce7318fbb103dc2aeedad6cca2bf9fab99db35ac4cb35ae1", kill_on_drop: false }`
[INFO] [stdout] 5a0e706354151b27ce7318fbb103dc2aeedad6cca2bf9fab99db35ac4cb35ae1