[INFO] cloning repository https://github.com/takenta/sudoku_kenzan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takenta/sudoku_kenzan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakenta%2Fsudoku_kenzan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakenta%2Fsudoku_kenzan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b276feaa3872d0f6801c9aadb5053b8781cd486b
[INFO] testing takenta/sudoku_kenzan against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakenta%2Fsudoku_kenzan" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/takenta/sudoku_kenzan on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/takenta/sudoku_kenzan
[INFO] finished tweaking git repo https://github.com/takenta/sudoku_kenzan
[INFO] tweaked toml for git repo https://github.com/takenta/sudoku_kenzan written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/takenta/sudoku_kenzan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dd4d83b6a9544449ddf26f5cf2591e3f697f8b6f1b21d77ae8fe9258c90d51c
[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" "9dd4d83b6a9544449ddf26f5cf2591e3f697f8b6f1b21d77ae8fe9258c90d51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dd4d83b6a9544449ddf26f5cf2591e3f697f8b6f1b21d77ae8fe9258c90d51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd4d83b6a9544449ddf26f5cf2591e3f697f8b6f1b21d77ae8fe9258c90d51c", kill_on_drop: false }`
[INFO] [stdout] 9dd4d83b6a9544449ddf26f5cf2591e3f697f8b6f1b21d77ae8fe9258c90d51c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d35cbdad46e1c9e35a4fa1a8e03ee0c7392f27edd9bad551d43b9969e809837a
[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" "d35cbdad46e1c9e35a4fa1a8e03ee0c7392f27edd9bad551d43b9969e809837a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling sudoku_kenzan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "d35cbdad46e1c9e35a4fa1a8e03ee0c7392f27edd9bad551d43b9969e809837a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35cbdad46e1c9e35a4fa1a8e03ee0c7392f27edd9bad551d43b9969e809837a", kill_on_drop: false }`
[INFO] [stdout] d35cbdad46e1c9e35a4fa1a8e03ee0c7392f27edd9bad551d43b9969e809837a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 0f3f7b67fa5cc8cf735639b83152cf448eab3cdd09fb18119fe8e9d014292240
[INFO] running `Command { std: "docker" "start" "-a" "0f3f7b67fa5cc8cf735639b83152cf448eab3cdd09fb18119fe8e9d014292240", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku_kenzan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sudoku`
[INFO] [stdout]   --> src/main.rs:22:31
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let example = sudoku::Sudoku::new([1, 2, 3, 4, 5, 6, 7, 8, 9]);
[INFO] [stdout]    |                               ^^^^^^ not found in `sudoku`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 21 |     use sudoku::Sudoku;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sudoku`
[INFO] [stdout]   --> src/main.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let example  = sudoku::Sudoku::new([8, 1, 6, 3, 5, 7, 4, 9, 2]);
[INFO] [stdout]    |                                ^^^^^^ not found in `sudoku`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 21 |     use sudoku::Sudoku;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudoku_kenzan` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0f3f7b67fa5cc8cf735639b83152cf448eab3cdd09fb18119fe8e9d014292240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3f7b67fa5cc8cf735639b83152cf448eab3cdd09fb18119fe8e9d014292240", kill_on_drop: false }`
[INFO] [stdout] 0f3f7b67fa5cc8cf735639b83152cf448eab3cdd09fb18119fe8e9d014292240