[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] checking takenta/sudoku_kenzan against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakenta%2Fsudoku_kenzan" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/takenta/sudoku_kenzan on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc175e3f6575bf1ce0f4a467d8aa99ba5c2993bcfcb48bfd4ec1e60965d71b77
[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" "bc175e3f6575bf1ce0f4a467d8aa99ba5c2993bcfcb48bfd4ec1e60965d71b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc175e3f6575bf1ce0f4a467d8aa99ba5c2993bcfcb48bfd4ec1e60965d71b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc175e3f6575bf1ce0f4a467d8aa99ba5c2993bcfcb48bfd4ec1e60965d71b77", kill_on_drop: false }`
[INFO] [stdout] bc175e3f6575bf1ce0f4a467d8aa99ba5c2993bcfcb48bfd4ec1e60965d71b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 023a72a729fc9e74e0abf4712bf428301cdb9c6e7b17834043dfba104dd0dcce
[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" "023a72a729fc9e74e0abf4712bf428301cdb9c6e7b17834043dfba104dd0dcce", kill_on_drop: false }`
[INFO] [stderr]     Checking sudoku_kenzan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type 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 type 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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "023a72a729fc9e74e0abf4712bf428301cdb9c6e7b17834043dfba104dd0dcce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023a72a729fc9e74e0abf4712bf428301cdb9c6e7b17834043dfba104dd0dcce", kill_on_drop: false }`
[INFO] [stdout] 023a72a729fc9e74e0abf4712bf428301cdb9c6e7b17834043dfba104dd0dcce