[INFO] cloning repository https://github.com/zao95/rust-study-guessing-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zao95/rust-study-guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzao95%2Frust-study-guessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzao95%2Frust-study-guessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bfd0edd69d446aa98c7da384dffdd3221b67c4b
[INFO] testing zao95/rust-study-guessing-game against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzao95%2Frust-study-guessing-game" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zao95/rust-study-guessing-game on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zao95/rust-study-guessing-game
[INFO] finished tweaking git repo https://github.com/zao95/rust-study-guessing-game
[INFO] tweaked toml for git repo https://github.com/zao95/rust-study-guessing-game written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/zao95/rust-study-guessing-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bd11d9b834903539140721fa5cac6d58eddcd23a7f2cdd1d64b434b45659623
[INFO] running `Command { std: "docker" "start" "-a" "9bd11d9b834903539140721fa5cac6d58eddcd23a7f2cdd1d64b434b45659623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bd11d9b834903539140721fa5cac6d58eddcd23a7f2cdd1d64b434b45659623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd11d9b834903539140721fa5cac6d58eddcd23a7f2cdd1d64b434b45659623", kill_on_drop: false }`
[INFO] [stdout] 9bd11d9b834903539140721fa5cac6d58eddcd23a7f2cdd1d64b434b45659623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62b93bacf7206e81663684685ec1431029271165b3d7b25982f84ef262a609b9
[INFO] running `Command { std: "docker" "start" "-a" "62b93bacf7206e81663684685ec1431029271165b3d7b25982f84ef262a609b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "62b93bacf7206e81663684685ec1431029271165b3d7b25982f84ef262a609b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b93bacf7206e81663684685ec1431029271165b3d7b25982f84ef262a609b9", kill_on_drop: false }`
[INFO] [stdout] 62b93bacf7206e81663684685ec1431029271165b3d7b25982f84ef262a609b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3afffb6f1823fe71b308f0787d5779e04d23a0110142f7017432e154b797e0a6
[INFO] running `Command { std: "docker" "start" "-a" "3afffb6f1823fe71b308f0787d5779e04d23a0110142f7017432e154b797e0a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "3afffb6f1823fe71b308f0787d5779e04d23a0110142f7017432e154b797e0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afffb6f1823fe71b308f0787d5779e04d23a0110142f7017432e154b797e0a6", kill_on_drop: false }`
[INFO] [stdout] 3afffb6f1823fe71b308f0787d5779e04d23a0110142f7017432e154b797e0a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 498b7c28d0f04d4739383d99227792b9a10632639c8fbdd443cc54f73e80f27b
[INFO] running `Command { std: "docker" "start" "-a" "498b7c28d0f04d4739383d99227792b9a10632639c8fbdd443cc54f73e80f27b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.71s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-6772d1d44b74e774)
[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" "498b7c28d0f04d4739383d99227792b9a10632639c8fbdd443cc54f73e80f27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498b7c28d0f04d4739383d99227792b9a10632639c8fbdd443cc54f73e80f27b", kill_on_drop: false }`
[INFO] [stdout] 498b7c28d0f04d4739383d99227792b9a10632639c8fbdd443cc54f73e80f27b