[INFO] fetching crate guessing_game_by_rust_book 0.1.0...
[INFO] testing guessing_game_by_rust_book-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate guessing_game_by_rust_book 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate guessing_game_by_rust_book 0.1.0 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 crates.io crate guessing_game_by_rust_book 0.1.0
[INFO] finished tweaking crates.io crate guessing_game_by_rust_book 0.1.0
[INFO] tweaked toml for crates.io crate guessing_game_by_rust_book 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate guessing_game_by_rust_book 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] ee06d17706c99faf9bb8a2409c71bbe4db98c431d92270a40ac3746a93f90198
[INFO] running `Command { std: "docker" "start" "-a" "ee06d17706c99faf9bb8a2409c71bbe4db98c431d92270a40ac3746a93f90198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee06d17706c99faf9bb8a2409c71bbe4db98c431d92270a40ac3746a93f90198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee06d17706c99faf9bb8a2409c71bbe4db98c431d92270a40ac3746a93f90198", kill_on_drop: false }`
[INFO] [stdout] ee06d17706c99faf9bb8a2409c71bbe4db98c431d92270a40ac3746a93f90198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 3775930853b76edc90743ba62ae431b592b3ada3f85e6141cccda985e0f8dede
[INFO] running `Command { std: "docker" "start" "-a" "3775930853b76edc90743ba62ae431b592b3ada3f85e6141cccda985e0f8dede", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[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 guessing_game_by_rust_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "3775930853b76edc90743ba62ae431b592b3ada3f85e6141cccda985e0f8dede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3775930853b76edc90743ba62ae431b592b3ada3f85e6141cccda985e0f8dede", kill_on_drop: false }`
[INFO] [stdout] 3775930853b76edc90743ba62ae431b592b3ada3f85e6141cccda985e0f8dede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 4e68d9186a2342107deccf922ccf0be9ec22fc457ce82bafba96b82cb9a78d32
[INFO] running `Command { std: "docker" "start" "-a" "4e68d9186a2342107deccf922ccf0be9ec22fc457ce82bafba96b82cb9a78d32", 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] [stderr]    Compiling guessing_game_by_rust_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "4e68d9186a2342107deccf922ccf0be9ec22fc457ce82bafba96b82cb9a78d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e68d9186a2342107deccf922ccf0be9ec22fc457ce82bafba96b82cb9a78d32", kill_on_drop: false }`
[INFO] [stdout] 4e68d9186a2342107deccf922ccf0be9ec22fc457ce82bafba96b82cb9a78d32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 5cc426c508b9d49b19b57ff65d82bac7d7a7e2fb2eb6dedc7cd2eeae6a253448
[INFO] running `Command { std: "docker" "start" "-a" "5cc426c508b9d49b19b57ff65d82bac7d7a7e2fb2eb6dedc7cd2eeae6a253448", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game_by_rust_book-dda1047d73b4d1aa)
[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" "5cc426c508b9d49b19b57ff65d82bac7d7a7e2fb2eb6dedc7cd2eeae6a253448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc426c508b9d49b19b57ff65d82bac7d7a7e2fb2eb6dedc7cd2eeae6a253448", kill_on_drop: false }`
[INFO] [stdout] 5cc426c508b9d49b19b57ff65d82bac7d7a7e2fb2eb6dedc7cd2eeae6a253448