[INFO] fetching crate guessing_game 0.1.2...
[INFO] testing guessing_game-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate guessing_game 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate guessing_game 0.1.2 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 guessing_game 0.1.2
[INFO] finished tweaking crates.io crate guessing_game 0.1.2
[INFO] tweaked toml for crates.io crate guessing_game 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f77184936a4e978b44bce3d1c206e596c29af851155ebc1d1bd2dd0b72e69f15
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f77184936a4e978b44bce3d1c206e596c29af851155ebc1d1bd2dd0b72e69f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f77184936a4e978b44bce3d1c206e596c29af851155ebc1d1bd2dd0b72e69f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77184936a4e978b44bce3d1c206e596c29af851155ebc1d1bd2dd0b72e69f15", kill_on_drop: false }`
[INFO] [stdout] f77184936a4e978b44bce3d1c206e596c29af851155ebc1d1bd2dd0b72e69f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d28626ca104926d7dfcaeea0ab34aeda94d627630585a2b53fcd060aa2330374
[INFO] running `Command { std: "docker" "start" "-a" "d28626ca104926d7dfcaeea0ab34aeda94d627630585a2b53fcd060aa2330374", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "d28626ca104926d7dfcaeea0ab34aeda94d627630585a2b53fcd060aa2330374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d28626ca104926d7dfcaeea0ab34aeda94d627630585a2b53fcd060aa2330374", kill_on_drop: false }`
[INFO] [stdout] d28626ca104926d7dfcaeea0ab34aeda94d627630585a2b53fcd060aa2330374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8081e5925d38ba1e8a0b5cf2fd3733760cd14d1b139d885831f4579c8b0e3516
[INFO] running `Command { std: "docker" "start" "-a" "8081e5925d38ba1e8a0b5cf2fd3733760cd14d1b139d885831f4579c8b0e3516", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "8081e5925d38ba1e8a0b5cf2fd3733760cd14d1b139d885831f4579c8b0e3516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8081e5925d38ba1e8a0b5cf2fd3733760cd14d1b139d885831f4579c8b0e3516", kill_on_drop: false }`
[INFO] [stdout] 8081e5925d38ba1e8a0b5cf2fd3733760cd14d1b139d885831f4579c8b0e3516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2599c5d73e1bde34c7ce0e7f5e4c32a80018be528b23c44d85013b0f31cb3230
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2599c5d73e1bde34c7ce0e7f5e4c32a80018be528b23c44d85013b0f31cb3230", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-6aae10e6521c4639)
[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" "2599c5d73e1bde34c7ce0e7f5e4c32a80018be528b23c44d85013b0f31cb3230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2599c5d73e1bde34c7ce0e7f5e4c32a80018be528b23c44d85013b0f31cb3230", kill_on_drop: false }`
[INFO] [stdout] 2599c5d73e1bde34c7ce0e7f5e4c32a80018be528b23c44d85013b0f31cb3230