[INFO] cloning repository https://github.com/Phyllostachys/rubiks_scramble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Phyllostachys/rubiks_scramble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhyllostachys%2Frubiks_scramble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhyllostachys%2Frubiks_scramble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd6924ea4d8a22e5c55129b63318ff45c180ac3b
[INFO] testing Phyllostachys/rubiks_scramble against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhyllostachys%2Frubiks_scramble" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Phyllostachys/rubiks_scramble 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 git repo https://github.com/Phyllostachys/rubiks_scramble
[INFO] finished tweaking git repo https://github.com/Phyllostachys/rubiks_scramble
[INFO] tweaked toml for git repo https://github.com/Phyllostachys/rubiks_scramble written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Phyllostachys/rubiks_scramble 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 97c5cca3d99bf3469c93e1f7fec38d25b9c4ee44bd20f2fa810f264ec51fef5d
[INFO] running `Command { std: "docker" "start" "-a" "97c5cca3d99bf3469c93e1f7fec38d25b9c4ee44bd20f2fa810f264ec51fef5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c5cca3d99bf3469c93e1f7fec38d25b9c4ee44bd20f2fa810f264ec51fef5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c5cca3d99bf3469c93e1f7fec38d25b9c4ee44bd20f2fa810f264ec51fef5d", kill_on_drop: false }`
[INFO] [stdout] 97c5cca3d99bf3469c93e1f7fec38d25b9c4ee44bd20f2fa810f264ec51fef5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] eaa03efb4218a61c42eb33f683340b4343d1c3837aa9b61014adaeb3c8258119
[INFO] running `Command { std: "docker" "start" "-a" "eaa03efb4218a61c42eb33f683340b4343d1c3837aa9b61014adaeb3c8258119", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rubiks_scramble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "eaa03efb4218a61c42eb33f683340b4343d1c3837aa9b61014adaeb3c8258119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa03efb4218a61c42eb33f683340b4343d1c3837aa9b61014adaeb3c8258119", kill_on_drop: false }`
[INFO] [stdout] eaa03efb4218a61c42eb33f683340b4343d1c3837aa9b61014adaeb3c8258119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f1d0aa9382365bcd5b323d45eb59921d9327f8a5e42a34ff7aae848ca6a37196
[INFO] running `Command { std: "docker" "start" "-a" "f1d0aa9382365bcd5b323d45eb59921d9327f8a5e42a34ff7aae848ca6a37196", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubiks_scramble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "f1d0aa9382365bcd5b323d45eb59921d9327f8a5e42a34ff7aae848ca6a37196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d0aa9382365bcd5b323d45eb59921d9327f8a5e42a34ff7aae848ca6a37196", kill_on_drop: false }`
[INFO] [stdout] f1d0aa9382365bcd5b323d45eb59921d9327f8a5e42a34ff7aae848ca6a37196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6f75230cd9bbb3a4a445e9ca7df31941c90850e6edab02d2c05c103579be8b68
[INFO] running `Command { std: "docker" "start" "-a" "6f75230cd9bbb3a4a445e9ca7df31941c90850e6edab02d2c05c103579be8b68", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rubiks_scramble-1ef40bad70e975bd)
[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" "6f75230cd9bbb3a4a445e9ca7df31941c90850e6edab02d2c05c103579be8b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f75230cd9bbb3a4a445e9ca7df31941c90850e6edab02d2c05c103579be8b68", kill_on_drop: false }`
[INFO] [stdout] 6f75230cd9bbb3a4a445e9ca7df31941c90850e6edab02d2c05c103579be8b68