[INFO] cloning repository https://github.com/magicant/sudoku-solver-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magicant/sudoku-solver-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicant%2Fsudoku-solver-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicant%2Fsudoku-solver-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4abdeb28ad995c9e39e5a0f3c1d6a88c09cd54dc
[INFO] testing magicant/sudoku-solver-in-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicant%2Fsudoku-solver-in-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magicant/sudoku-solver-in-rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/magicant/sudoku-solver-in-rust
[INFO] finished tweaking git repo https://github.com/magicant/sudoku-solver-in-rust
[INFO] tweaked toml for git repo https://github.com/magicant/sudoku-solver-in-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/magicant/sudoku-solver-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d8b1df16d59a398b9cb28bea9454dbfb73015a57dd9d786d21e57cda0996cb2
[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" "1d8b1df16d59a398b9cb28bea9454dbfb73015a57dd9d786d21e57cda0996cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d8b1df16d59a398b9cb28bea9454dbfb73015a57dd9d786d21e57cda0996cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8b1df16d59a398b9cb28bea9454dbfb73015a57dd9d786d21e57cda0996cb2", kill_on_drop: false }`
[INFO] [stdout] 1d8b1df16d59a398b9cb28bea9454dbfb73015a57dd9d786d21e57cda0996cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3e1bc3ae788a108437995ec9f7e55b1e41cfa0b99656da0d17306239053e50c
[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" "b3e1bc3ae788a108437995ec9f7e55b1e41cfa0b99656da0d17306239053e50c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku-solver-in-rust v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "b3e1bc3ae788a108437995ec9f7e55b1e41cfa0b99656da0d17306239053e50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e1bc3ae788a108437995ec9f7e55b1e41cfa0b99656da0d17306239053e50c", kill_on_drop: false }`
[INFO] [stdout] b3e1bc3ae788a108437995ec9f7e55b1e41cfa0b99656da0d17306239053e50c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ef26dd990628b05404fa5c0af4e0a620d4118a236fb14978b5c32f7e5565fd6
[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" "5ef26dd990628b05404fa5c0af4e0a620d4118a236fb14978b5c32f7e5565fd6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku-solver-in-rust v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "5ef26dd990628b05404fa5c0af4e0a620d4118a236fb14978b5c32f7e5565fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef26dd990628b05404fa5c0af4e0a620d4118a236fb14978b5c32f7e5565fd6", kill_on_drop: false }`
[INFO] [stdout] 5ef26dd990628b05404fa5c0af4e0a620d4118a236fb14978b5c32f7e5565fd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3018fa957432bb200fdecc62775239acfc197ee5c8aab4191b05c1ddeb33733c
[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" "3018fa957432bb200fdecc62775239acfc197ee5c8aab4191b05c1ddeb33733c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver_in_rust-5488c859ff8d3d5e)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test board::tests::col_iter_values ... ok
[INFO] [stdout] test board::tests::solving_cell_get_unique ... ok
[INFO] [stdout] test board::tests::block_iter_values ... ok
[INFO] [stdout] test board::tests::solving_cell_new_none ... ok
[INFO] [stdout] test board::tests::solving_cell_new_some ... ok
[INFO] [stdout] test board::tests::solving_cell_iter ... ok
[INFO] [stdout] test board::tests::row_iter_values ... ok
[INFO] [stdout] test board::tests::solving_cell_acknowledge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3018fa957432bb200fdecc62775239acfc197ee5c8aab4191b05c1ddeb33733c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3018fa957432bb200fdecc62775239acfc197ee5c8aab4191b05c1ddeb33733c", kill_on_drop: false }`
[INFO] [stdout] 3018fa957432bb200fdecc62775239acfc197ee5c8aab4191b05c1ddeb33733c