[INFO] fetching crate rust-15-puzzle-cli 0.2.0...
[INFO] testing rust-15-puzzle-cli-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rust-15-puzzle-cli 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rust-15-puzzle-cli 0.2.0
[INFO] finished tweaking crates.io crate rust-15-puzzle-cli 0.2.0
[INFO] tweaked toml for crates.io crate rust-15-puzzle-cli 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-15-puzzle-cli 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-15-puzzle-cli 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded termion v1.5.5
[INFO] [stderr]   Downloaded tui v0.9.1
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fbe43ed165f7b651a3f8082cf31c2e24b8d69cbaf31dd8f3a62f8f32f704ed6
[INFO] running `Command { std: "docker" "start" "-a" "6fbe43ed165f7b651a3f8082cf31c2e24b8d69cbaf31dd8f3a62f8f32f704ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbe43ed165f7b651a3f8082cf31c2e24b8d69cbaf31dd8f3a62f8f32f704ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbe43ed165f7b651a3f8082cf31c2e24b8d69cbaf31dd8f3a62f8f32f704ed6", kill_on_drop: false }`
[INFO] [stdout] 6fbe43ed165f7b651a3f8082cf31c2e24b8d69cbaf31dd8f3a62f8f32f704ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82d99b869ac65b99ac4b8cf4d433c1243bac37dd9a9399e9d4bbb1b89762445a
[INFO] running `Command { std: "docker" "start" "-a" "82d99b869ac65b99ac4b8cf4d433c1243bac37dd9a9399e9d4bbb1b89762445a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tui v0.9.1
[INFO] [stderr]    Compiling rust-15-puzzle-cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "82d99b869ac65b99ac4b8cf4d433c1243bac37dd9a9399e9d4bbb1b89762445a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d99b869ac65b99ac4b8cf4d433c1243bac37dd9a9399e9d4bbb1b89762445a", kill_on_drop: false }`
[INFO] [stdout] 82d99b869ac65b99ac4b8cf4d433c1243bac37dd9a9399e9d4bbb1b89762445a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddfad9e971f9af5fd68c7e5d707d43f8e0727b6db77be4f9047a935891e00c35
[INFO] running `Command { std: "docker" "start" "-a" "ddfad9e971f9af5fd68c7e5d707d43f8e0727b6db77be4f9047a935891e00c35", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-15-puzzle-cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ddfad9e971f9af5fd68c7e5d707d43f8e0727b6db77be4f9047a935891e00c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfad9e971f9af5fd68c7e5d707d43f8e0727b6db77be4f9047a935891e00c35", kill_on_drop: false }`
[INFO] [stdout] ddfad9e971f9af5fd68c7e5d707d43f8e0727b6db77be4f9047a935891e00c35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cbac68aaedaa2dbe166d75a4daaad4672a033f8458833027ff09f10e8a088cc
[INFO] running `Command { std: "docker" "start" "-a" "6cbac68aaedaa2dbe166d75a4daaad4672a033f8458833027ff09f10e8a088cc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_15_puzzle_cli-95c9de4cfa54af0e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test helper::util::tests::count_inversion_should_correct ... ok
[INFO] [stdout] test helper::util::tests::is_solvable_should_correct ... ok
[INFO] [stdout] test helper::util::tests::move_tile_should_generate_correct_arr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cbac68aaedaa2dbe166d75a4daaad4672a033f8458833027ff09f10e8a088cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbac68aaedaa2dbe166d75a4daaad4672a033f8458833027ff09f10e8a088cc", kill_on_drop: false }`
[INFO] [stdout] 6cbac68aaedaa2dbe166d75a4daaad4672a033f8458833027ff09f10e8a088cc