Dec 17 16:36:16.949 INFO checking ruggeri/sudoku_solver against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 16:36:16.949 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/ruggeri/sudoku_solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 16:36:17.452 INFO [stdout] 364fd2bb49e7cb2d9014e98e6b36ae9c0360b3e4aa668d94d1e061fbb5add446
Dec 17 16:36:17.454 INFO running `"docker" "start" "-a" "364fd2bb49e7cb2d9014e98e6b36ae9c0360b3e4aa668d94d1e061fbb5add446"`
Dec 17 16:36:19.555 INFO [stderr]    Compiling libc v0.2.44
Dec 17 16:36:21.544 INFO [stderr]     Checking rand v0.6.1
Dec 17 16:36:23.610 INFO [stderr]     Checking sudoku_solving v0.1.0 (/opt/crater/workdir)
Dec 17 16:36:23.709 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:23.709 INFO [stderr]   --> src/checker/grid_checker.rs:68:11
Dec 17 16:36:23.709 INFO [stderr]    |
Dec 17 16:36:23.709 INFO [stderr] 68 |   #[allow(if_same_then_else)]
Dec 17 16:36:23.709 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:23.709 INFO [stderr]    |
Dec 17 16:36:23.709 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 17 16:36:23.709 INFO [stderr] 
Dec 17 16:36:23.714 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:23.714 INFO [stderr]    --> src/checker/grid_checker.rs:128:11
Dec 17 16:36:23.714 INFO [stderr]     |
Dec 17 16:36:23.714 INFO [stderr] 128 |   #[allow(if_same_then_else)]
Dec 17 16:36:23.714 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:23.714 INFO [stderr] 
Dec 17 16:36:23.714 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:23.714 INFO [stderr]    --> src/checker/grid_checker.rs:177:11
Dec 17 16:36:23.714 INFO [stderr]     |
Dec 17 16:36:23.714 INFO [stderr] 177 |   #[allow(if_same_then_else)]
Dec 17 16:36:23.714 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:23.714 INFO [stderr] 
Dec 17 16:36:23.714 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:23.714 INFO [stderr]   --> src/checker/group_checker.rs:42:11
Dec 17 16:36:23.714 INFO [stderr]    |
Dec 17 16:36:23.714 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 17 16:36:23.714 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:23.714 INFO [stderr] 
Dec 17 16:36:23.714 INFO [stderr] warning: unknown lint: `needless_bool`
Dec 17 16:36:23.714 INFO [stderr]   --> src/checker/group_checker.rs:42:30
Dec 17 16:36:23.715 INFO [stderr]    |
Dec 17 16:36:23.715 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 17 16:36:23.715 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 17 16:36:23.715 INFO [stderr] 
Dec 17 16:36:23.720 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:23.720 INFO [stderr]   --> src/checker/grid_checker.rs:68:11
Dec 17 16:36:23.720 INFO [stderr]    |
Dec 17 16:36:23.720 INFO [stderr] 68 |   #[allow(if_same_then_else)]
Dec 17 16:36:23.721 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:23.721 INFO [stderr]    |
Dec 17 16:36:23.721 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 17 16:36:23.721 INFO [stderr] 
Dec 17 16:36:23.721 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:23.721 INFO [stderr]    --> src/checker/grid_checker.rs:128:11
Dec 17 16:36:23.721 INFO [stderr]     |
Dec 17 16:36:23.721 INFO [stderr] 128 |   #[allow(if_same_then_else)]
Dec 17 16:36:23.721 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:23.721 INFO [stderr] 
Dec 17 16:36:23.721 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:23.721 INFO [stderr]    --> src/checker/grid_checker.rs:177:11
Dec 17 16:36:23.721 INFO [stderr]     |
Dec 17 16:36:23.721 INFO [stderr] 177 |   #[allow(if_same_then_else)]
Dec 17 16:36:23.721 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:23.721 INFO [stderr] 
Dec 17 16:36:23.721 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:23.721 INFO [stderr]   --> src/checker/group_checker.rs:42:11
Dec 17 16:36:23.721 INFO [stderr]    |
Dec 17 16:36:23.721 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 17 16:36:23.721 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:23.721 INFO [stderr] 
Dec 17 16:36:23.721 INFO [stderr] warning: unknown lint: `needless_bool`
Dec 17 16:36:23.721 INFO [stderr]   --> src/checker/group_checker.rs:42:30
Dec 17 16:36:23.721 INFO [stderr]    |
Dec 17 16:36:23.721 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 17 16:36:23.721 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 17 16:36:23.721 INFO [stderr] 
Dec 17 16:36:24.160 INFO [stderr] warning: unused imports: `SudokuChoice`, `SudokuPosition`, `SudokuValue`
Dec 17 16:36:24.160 INFO [stderr]  --> src/main.rs:4:10
Dec 17 16:36:24.160 INFO [stderr]   |
Dec 17 16:36:24.160 INFO [stderr] 4 |   core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue},
Dec 17 16:36:24.160 INFO [stderr]   |          ^^^^^^^^^^^^              ^^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 17 16:36:24.160 INFO [stderr]   |
Dec 17 16:36:24.160 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 16:36:24.160 INFO [stderr] 
Dec 17 16:36:24.176 INFO [stderr] warning: unused imports: `SudokuChoice`, `SudokuPosition`, `SudokuValue`
Dec 17 16:36:24.176 INFO [stderr]  --> src/main.rs:4:10
Dec 17 16:36:24.176 INFO [stderr]   |
Dec 17 16:36:24.176 INFO [stderr] 4 |   core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue},
Dec 17 16:36:24.176 INFO [stderr]   |          ^^^^^^^^^^^^              ^^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 17 16:36:24.176 INFO [stderr]   |
Dec 17 16:36:24.176 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 16:36:24.176 INFO [stderr] 
Dec 17 16:36:24.248 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
Dec 17 16:36:24.562 INFO running `"docker" "inspect" "364fd2bb49e7cb2d9014e98e6b36ae9c0360b3e4aa668d94d1e061fbb5add446"`
Dec 17 16:36:24.700 INFO running `"docker" "rm" "-f" "364fd2bb49e7cb2d9014e98e6b36ae9c0360b3e4aa668d94d1e061fbb5add446"`
Dec 17 16:36:24.972 INFO [stdout] 364fd2bb49e7cb2d9014e98e6b36ae9c0360b3e4aa668d94d1e061fbb5add446