[INFO] cloning repository https://github.com/rust-learning-examples/guess_number
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-learning-examples/guess_number" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-examples%2Fguess_number", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-examples%2Fguess_number'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 588d40174893f979d6fe21f65f2bfa0429155cee
[INFO] testing rust-learning-examples/guess_number against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-examples%2Fguess_number" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learning-examples/guess_number on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-learning-examples/guess_number
[INFO] finished tweaking git repo https://github.com/rust-learning-examples/guess_number
[INFO] tweaked toml for git repo https://github.com/rust-learning-examples/guess_number written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learning-examples/guess_number already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3f28c1a5ef00ca3c088b7de97fb5b2e854946eda5b40015f3d08211cf951f39
[INFO] running `Command { std: "docker" "start" "-a" "f3f28c1a5ef00ca3c088b7de97fb5b2e854946eda5b40015f3d08211cf951f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f28c1a5ef00ca3c088b7de97fb5b2e854946eda5b40015f3d08211cf951f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f28c1a5ef00ca3c088b7de97fb5b2e854946eda5b40015f3d08211cf951f39", kill_on_drop: false }`
[INFO] [stdout] f3f28c1a5ef00ca3c088b7de97fb5b2e854946eda5b40015f3d08211cf951f39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b40d8371b86c67859636708bf47641e300e6f2c70d035da733564f6e140f6d1
[INFO] running `Command { std: "docker" "start" "-a" "1b40d8371b86c67859636708bf47641e300e6f2c70d035da733564f6e140f6d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling guess_number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "1b40d8371b86c67859636708bf47641e300e6f2c70d035da733564f6e140f6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b40d8371b86c67859636708bf47641e300e6f2c70d035da733564f6e140f6d1", kill_on_drop: false }`
[INFO] [stdout] 1b40d8371b86c67859636708bf47641e300e6f2c70d035da733564f6e140f6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6617cd395d1b36ff541102593f0ea6b33f24e0b69d705e289f31208b74b9923
[INFO] running `Command { std: "docker" "start" "-a" "f6617cd395d1b36ff541102593f0ea6b33f24e0b69d705e289f31208b74b9923", kill_on_drop: false }`
[INFO] [stderr]    Compiling guess_number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "f6617cd395d1b36ff541102593f0ea6b33f24e0b69d705e289f31208b74b9923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6617cd395d1b36ff541102593f0ea6b33f24e0b69d705e289f31208b74b9923", kill_on_drop: false }`
[INFO] [stdout] f6617cd395d1b36ff541102593f0ea6b33f24e0b69d705e289f31208b74b9923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04c4c7a7ee122fa0b36de0b92bd8908bb33e7dbeb2d4f4885d0442f9496e0af4
[INFO] running `Command { std: "docker" "start" "-a" "04c4c7a7ee122fa0b36de0b92bd8908bb33e7dbeb2d4f4885d0442f9496e0af4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guess_number-fc41d8a70ba442f4)
[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" "04c4c7a7ee122fa0b36de0b92bd8908bb33e7dbeb2d4f4885d0442f9496e0af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c4c7a7ee122fa0b36de0b92bd8908bb33e7dbeb2d4f4885d0442f9496e0af4", kill_on_drop: false }`
[INFO] [stdout] 04c4c7a7ee122fa0b36de0b92bd8908bb33e7dbeb2d4f4885d0442f9496e0af4