Dec 19 09:49:32.858 INFO checking ruggeri/sudoku_solver against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:49:32.858 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:49:33.380 INFO [stdout] 2232856f1576b41c073202658545478443dbd1ff3a1a9468f06eaf4dafb30f76
Dec 19 09:49:33.382 INFO running `"docker" "start" "-a" "2232856f1576b41c073202658545478443dbd1ff3a1a9468f06eaf4dafb30f76"`
Dec 19 09:49:35.236 INFO [stderr]    Compiling libc v0.2.44
Dec 19 09:49:37.160 INFO [stderr]     Checking rand v0.6.1
Dec 19 09:49:39.225 INFO [stderr]     Checking sudoku_solving v0.1.0 (/opt/crater/workdir)
Dec 19 09:49:39.300 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 19 09:49:39.300 INFO [stderr]   --> src/checker/grid_checker.rs:68:11
Dec 19 09:49:39.300 INFO [stderr]    |
Dec 19 09:49:39.300 INFO [stderr] 68 |   #[allow(if_same_then_else)]
Dec 19 09:49:39.300 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 19 09:49:39.300 INFO [stderr]    |
Dec 19 09:49:39.300 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 19 09:49:39.300 INFO [stderr] 
Dec 19 09:49:39.300 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 19 09:49:39.300 INFO [stderr]    --> src/checker/grid_checker.rs:128:11
Dec 19 09:49:39.300 INFO [stderr]     |
Dec 19 09:49:39.300 INFO [stderr] 128 |   #[allow(if_same_then_else)]
Dec 19 09:49:39.300 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 19 09:49:39.300 INFO [stderr] 
Dec 19 09:49:39.300 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 19 09:49:39.300 INFO [stderr]    --> src/checker/grid_checker.rs:177:11
Dec 19 09:49:39.300 INFO [stderr]     |
Dec 19 09:49:39.300 INFO [stderr] 177 |   #[allow(if_same_then_else)]
Dec 19 09:49:39.300 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 19 09:49:39.300 INFO [stderr] 
Dec 19 09:49:39.300 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 19 09:49:39.300 INFO [stderr]   --> src/checker/group_checker.rs:42:11
Dec 19 09:49:39.300 INFO [stderr]    |
Dec 19 09:49:39.300 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 19 09:49:39.301 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 19 09:49:39.301 INFO [stderr] 
Dec 19 09:49:39.301 INFO [stderr] warning: unknown lint: `needless_bool`
Dec 19 09:49:39.301 INFO [stderr]   --> src/checker/group_checker.rs:42:30
Dec 19 09:49:39.301 INFO [stderr]    |
Dec 19 09:49:39.301 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 19 09:49:39.301 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 19 09:49:39.301 INFO [stderr] 
Dec 19 09:49:39.316 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 19 09:49:39.316 INFO [stderr]   --> src/checker/grid_checker.rs:68:11
Dec 19 09:49:39.316 INFO [stderr]    |
Dec 19 09:49:39.317 INFO [stderr] 68 |   #[allow(if_same_then_else)]
Dec 19 09:49:39.317 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 19 09:49:39.317 INFO [stderr]    |
Dec 19 09:49:39.317 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 19 09:49:39.317 INFO [stderr] 
Dec 19 09:49:39.317 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 19 09:49:39.317 INFO [stderr]    --> src/checker/grid_checker.rs:128:11
Dec 19 09:49:39.317 INFO [stderr]     |
Dec 19 09:49:39.317 INFO [stderr] 128 |   #[allow(if_same_then_else)]
Dec 19 09:49:39.317 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 19 09:49:39.317 INFO [stderr] 
Dec 19 09:49:39.317 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 19 09:49:39.317 INFO [stderr]    --> src/checker/grid_checker.rs:177:11
Dec 19 09:49:39.317 INFO [stderr]     |
Dec 19 09:49:39.317 INFO [stderr] 177 |   #[allow(if_same_then_else)]
Dec 19 09:49:39.317 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 19 09:49:39.317 INFO [stderr] 
Dec 19 09:49:39.317 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 19 09:49:39.317 INFO [stderr]   --> src/checker/group_checker.rs:42:11
Dec 19 09:49:39.317 INFO [stderr]    |
Dec 19 09:49:39.317 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 19 09:49:39.317 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 19 09:49:39.317 INFO [stderr] 
Dec 19 09:49:39.317 INFO [stderr] warning: unknown lint: `needless_bool`
Dec 19 09:49:39.317 INFO [stderr]   --> src/checker/group_checker.rs:42:30
Dec 19 09:49:39.317 INFO [stderr]    |
Dec 19 09:49:39.317 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 19 09:49:39.317 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 19 09:49:39.317 INFO [stderr] 
Dec 19 09:49:40.068 INFO [stderr] warning: unused imports: `SudokuChoice`, `SudokuPosition`, `SudokuValue`
Dec 19 09:49:40.068 INFO [stderr]  --> src/main.rs:4:10
Dec 19 09:49:40.068 INFO [stderr]   |
Dec 19 09:49:40.068 INFO [stderr] 4 |   core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue},
Dec 19 09:49:40.068 INFO [stderr]   |          ^^^^^^^^^^^^              ^^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 19 09:49:40.068 INFO [stderr]   |
Dec 19 09:49:40.068 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 09:49:40.068 INFO [stderr] 
Dec 19 09:49:40.248 INFO [stderr] warning: unused imports: `SudokuChoice`, `SudokuPosition`, `SudokuValue`
Dec 19 09:49:40.248 INFO [stderr]  --> src/main.rs:4:10
Dec 19 09:49:40.248 INFO [stderr]   |
Dec 19 09:49:40.248 INFO [stderr] 4 |   core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue},
Dec 19 09:49:40.248 INFO [stderr]   |          ^^^^^^^^^^^^              ^^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 19 09:49:40.248 INFO [stderr]   |
Dec 19 09:49:40.248 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 09:49:40.248 INFO [stderr] 
Dec 19 09:49:40.340 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
Dec 19 09:49:40.988 INFO running `"docker" "inspect" "2232856f1576b41c073202658545478443dbd1ff3a1a9468f06eaf4dafb30f76"`
Dec 19 09:49:41.142 INFO running `"docker" "rm" "-f" "2232856f1576b41c073202658545478443dbd1ff3a1a9468f06eaf4dafb30f76"`
Dec 19 09:49:41.332 INFO [stdout] 2232856f1576b41c073202658545478443dbd1ff3a1a9468f06eaf4dafb30f76