[INFO] fetching crate apc_guessing_game 0.1.0...
[INFO] testing apc_guessing_game-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate apc_guessing_game 0.1.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate apc_guessing_game 0.1.0 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 crates.io crate apc_guessing_game 0.1.0
[INFO] finished tweaking crates.io crate apc_guessing_game 0.1.0
[INFO] tweaked toml for crates.io crate apc_guessing_game 0.1.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate apc_guessing_game 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 2496d67f42f51cc387fdd9fc675d74727e187ee97523a86d5673e3a874555a42
[INFO] running `Command { std: "docker" "start" "-a" "2496d67f42f51cc387fdd9fc675d74727e187ee97523a86d5673e3a874555a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2496d67f42f51cc387fdd9fc675d74727e187ee97523a86d5673e3a874555a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2496d67f42f51cc387fdd9fc675d74727e187ee97523a86d5673e3a874555a42", kill_on_drop: false }`
[INFO] [stdout] 2496d67f42f51cc387fdd9fc675d74727e187ee97523a86d5673e3a874555a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 9241c0d1f89a1ebb88f201bd637e7dcd9f25a4a529d17a791ab57c13ff621bdb
[INFO] running `Command { std: "docker" "start" "-a" "9241c0d1f89a1ebb88f201bd637e7dcd9f25a4a529d17a791ab57c13ff621bdb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[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 apc_guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.98s
[INFO] running `Command { std: "docker" "inspect" "9241c0d1f89a1ebb88f201bd637e7dcd9f25a4a529d17a791ab57c13ff621bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9241c0d1f89a1ebb88f201bd637e7dcd9f25a4a529d17a791ab57c13ff621bdb", kill_on_drop: false }`
[INFO] [stdout] 9241c0d1f89a1ebb88f201bd637e7dcd9f25a4a529d17a791ab57c13ff621bdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 328b36c74f1f8dccddbdf9bf33a14037d3e73d9a1057eefe5676968bc1db0855
[INFO] running `Command { std: "docker" "start" "-a" "328b36c74f1f8dccddbdf9bf33a14037d3e73d9a1057eefe5676968bc1db0855", kill_on_drop: false }`
[INFO] [stderr]    Compiling apc_guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "328b36c74f1f8dccddbdf9bf33a14037d3e73d9a1057eefe5676968bc1db0855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328b36c74f1f8dccddbdf9bf33a14037d3e73d9a1057eefe5676968bc1db0855", kill_on_drop: false }`
[INFO] [stdout] 328b36c74f1f8dccddbdf9bf33a14037d3e73d9a1057eefe5676968bc1db0855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 559f574a2d6730b33cbde1198c3b3c654f829088bcdfa4b1e9af9cfd560c4c18
[INFO] running `Command { std: "docker" "start" "-a" "559f574a2d6730b33cbde1198c3b3c654f829088bcdfa4b1e9af9cfd560c4c18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/apc_guessing_game-a0b6db0a40b9e9f7)
[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" "559f574a2d6730b33cbde1198c3b3c654f829088bcdfa4b1e9af9cfd560c4c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559f574a2d6730b33cbde1198c3b3c654f829088bcdfa4b1e9af9cfd560c4c18", kill_on_drop: false }`
[INFO] [stdout] 559f574a2d6730b33cbde1198c3b3c654f829088bcdfa4b1e9af9cfd560c4c18