[INFO] fetching crate my_guessing_game 0.1.0...
[INFO] testing my_guessing_game-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate my_guessing_game 0.1.0 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate my_guessing_game 0.1.0 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 crates.io crate my_guessing_game 0.1.0
[INFO] finished tweaking crates.io crate my_guessing_game 0.1.0
[INFO] tweaked toml for crates.io crate my_guessing_game 0.1.0 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 42aed0e091b932ba0defc5e124a5f5734591f37a660e289be83407ed2b089e5b
[INFO] running `Command { std: "docker" "start" "-a" "42aed0e091b932ba0defc5e124a5f5734591f37a660e289be83407ed2b089e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42aed0e091b932ba0defc5e124a5f5734591f37a660e289be83407ed2b089e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42aed0e091b932ba0defc5e124a5f5734591f37a660e289be83407ed2b089e5b", kill_on_drop: false }`
[INFO] [stdout] 42aed0e091b932ba0defc5e124a5f5734591f37a660e289be83407ed2b089e5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 58717103ae7f8f407ce7897539b371ea1b846eac2ddae3aff064e316bfb1de88
[INFO] running `Command { std: "docker" "start" "-a" "58717103ae7f8f407ce7897539b371ea1b846eac2ddae3aff064e316bfb1de88", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling my_guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "58717103ae7f8f407ce7897539b371ea1b846eac2ddae3aff064e316bfb1de88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58717103ae7f8f407ce7897539b371ea1b846eac2ddae3aff064e316bfb1de88", kill_on_drop: false }`
[INFO] [stdout] 58717103ae7f8f407ce7897539b371ea1b846eac2ddae3aff064e316bfb1de88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 76cc36dca84a44f2ad2a70cfb346a30acb57567cbaa6a7cceb1a3f7b30aaf3d7
[INFO] running `Command { std: "docker" "start" "-a" "76cc36dca84a44f2ad2a70cfb346a30acb57567cbaa6a7cceb1a3f7b30aaf3d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "76cc36dca84a44f2ad2a70cfb346a30acb57567cbaa6a7cceb1a3f7b30aaf3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cc36dca84a44f2ad2a70cfb346a30acb57567cbaa6a7cceb1a3f7b30aaf3d7", kill_on_drop: false }`
[INFO] [stdout] 76cc36dca84a44f2ad2a70cfb346a30acb57567cbaa6a7cceb1a3f7b30aaf3d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] eb09546a367266456784e48b375cbed903698cc5499c36d5d903c1c833f2ce0a
[INFO] running `Command { std: "docker" "start" "-a" "eb09546a367266456784e48b375cbed903698cc5499c36d5d903c1c833f2ce0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/my_guessing_game-0d70c4dbfb48fa1f)
[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" "eb09546a367266456784e48b375cbed903698cc5499c36d5d903c1c833f2ce0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb09546a367266456784e48b375cbed903698cc5499c36d5d903c1c833f2ce0a", kill_on_drop: false }`
[INFO] [stdout] eb09546a367266456784e48b375cbed903698cc5499c36d5d903c1c833f2ce0a