[INFO] fetching crate guessing_game_mlw 0.1.1...
[INFO] testing guessing_game_mlw-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate guessing_game_mlw 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate guessing_game_mlw 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guessing_game_mlw 0.1.1
[INFO] finished tweaking crates.io crate guessing_game_mlw 0.1.1
[INFO] tweaked toml for crates.io crate guessing_game_mlw 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate guessing_game_mlw 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] bfd0f44f4f73674fbf199554898ad5156ff0038b8b78465cad79c3dc78dc2369
[INFO] running `Command { std: "docker" "start" "-a" "bfd0f44f4f73674fbf199554898ad5156ff0038b8b78465cad79c3dc78dc2369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd0f44f4f73674fbf199554898ad5156ff0038b8b78465cad79c3dc78dc2369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd0f44f4f73674fbf199554898ad5156ff0038b8b78465cad79c3dc78dc2369", kill_on_drop: false }`
[INFO] [stdout] bfd0f44f4f73674fbf199554898ad5156ff0038b8b78465cad79c3dc78dc2369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 872e8c1be041290600de6b45023405e87eebbf61df71435e566e03841a1304b3
[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" "872e8c1be041290600de6b45023405e87eebbf61df71435e566e03841a1304b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game_mlw v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "872e8c1be041290600de6b45023405e87eebbf61df71435e566e03841a1304b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872e8c1be041290600de6b45023405e87eebbf61df71435e566e03841a1304b3", kill_on_drop: false }`
[INFO] [stdout] 872e8c1be041290600de6b45023405e87eebbf61df71435e566e03841a1304b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "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] 97d34543737e6ce716baf2ff33e30817aff2fdd77508bb9e54d0bdecc4251b0e
[INFO] running `Command { std: "docker" "start" "-a" "97d34543737e6ce716baf2ff33e30817aff2fdd77508bb9e54d0bdecc4251b0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game_mlw v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "97d34543737e6ce716baf2ff33e30817aff2fdd77508bb9e54d0bdecc4251b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d34543737e6ce716baf2ff33e30817aff2fdd77508bb9e54d0bdecc4251b0e", kill_on_drop: false }`
[INFO] [stdout] 97d34543737e6ce716baf2ff33e30817aff2fdd77508bb9e54d0bdecc4251b0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "test" "--frozen", 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] a8f69d1979c4ad25ba6aa7ade6e3d16bde32093fdc25d2685cb0c88c684e3dab
[INFO] running `Command { std: "docker" "start" "-a" "a8f69d1979c4ad25ba6aa7ade6e3d16bde32093fdc25d2685cb0c88c684e3dab", 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_mlw-a4465287ef2da044)
[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" "a8f69d1979c4ad25ba6aa7ade6e3d16bde32093fdc25d2685cb0c88c684e3dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f69d1979c4ad25ba6aa7ade6e3d16bde32093fdc25d2685cb0c88c684e3dab", kill_on_drop: false }`
[INFO] [stdout] a8f69d1979c4ad25ba6aa7ade6e3d16bde32093fdc25d2685cb0c88c684e3dab