Dec 17 16:36:11.449 INFO checking ruggeri/sudoku_solver against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:36:11.449 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 16:36:11.994 INFO [stdout] 57284e6783a78bdd19b645bb64a3e682b19690c4e7916c6a3730a1ff1d6da54f
Dec 17 16:36:11.996 INFO running `"docker" "start" "-a" "57284e6783a78bdd19b645bb64a3e682b19690c4e7916c6a3730a1ff1d6da54f"`
Dec 17 16:36:14.646 INFO [stderr]     Checking sudoku_solving v0.1.0 (/opt/crater/workdir)
Dec 17 16:36:14.816 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:14.816 INFO [stderr]   --> src/checker/grid_checker.rs:68:11
Dec 17 16:36:14.817 INFO [stderr]    |
Dec 17 16:36:14.817 INFO [stderr] 68 |   #[allow(if_same_then_else)]
Dec 17 16:36:14.817 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:14.817 INFO [stderr]    |
Dec 17 16:36:14.817 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 17 16:36:14.817 INFO [stderr] 
Dec 17 16:36:14.817 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:14.818 INFO [stderr]    --> src/checker/grid_checker.rs:128:11
Dec 17 16:36:14.818 INFO [stderr]     |
Dec 17 16:36:14.818 INFO [stderr] 128 |   #[allow(if_same_then_else)]
Dec 17 16:36:14.818 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:14.819 INFO [stderr] 
Dec 17 16:36:14.819 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:14.819 INFO [stderr]    --> src/checker/grid_checker.rs:177:11
Dec 17 16:36:14.819 INFO [stderr]     |
Dec 17 16:36:14.819 INFO [stderr] 177 |   #[allow(if_same_then_else)]
Dec 17 16:36:14.820 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:14.820 INFO [stderr] 
Dec 17 16:36:14.820 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:14.820 INFO [stderr]   --> src/checker/group_checker.rs:42:11
Dec 17 16:36:14.820 INFO [stderr]    |
Dec 17 16:36:14.821 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 17 16:36:14.821 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:14.821 INFO [stderr] 
Dec 17 16:36:14.821 INFO [stderr] warning: unknown lint: `needless_bool`
Dec 17 16:36:14.821 INFO [stderr]   --> src/checker/group_checker.rs:42:30
Dec 17 16:36:14.822 INFO [stderr]    |
Dec 17 16:36:14.822 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 17 16:36:14.822 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 17 16:36:14.822 INFO [stderr] 
Dec 17 16:36:14.880 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:14.880 INFO [stderr]   --> src/checker/grid_checker.rs:68:11
Dec 17 16:36:14.880 INFO [stderr]    |
Dec 17 16:36:14.881 INFO [stderr] 68 |   #[allow(if_same_then_else)]
Dec 17 16:36:14.881 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:14.881 INFO [stderr]    |
Dec 17 16:36:14.881 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 17 16:36:14.881 INFO [stderr] 
Dec 17 16:36:14.881 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:14.881 INFO [stderr]    --> src/checker/grid_checker.rs:128:11
Dec 17 16:36:14.881 INFO [stderr]     |
Dec 17 16:36:14.881 INFO [stderr] 128 |   #[allow(if_same_then_else)]
Dec 17 16:36:14.881 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:14.881 INFO [stderr] 
Dec 17 16:36:14.881 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:14.881 INFO [stderr]    --> src/checker/grid_checker.rs:177:11
Dec 17 16:36:14.881 INFO [stderr]     |
Dec 17 16:36:14.881 INFO [stderr] 177 |   #[allow(if_same_then_else)]
Dec 17 16:36:14.881 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:14.881 INFO [stderr] 
Dec 17 16:36:14.881 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 17 16:36:14.881 INFO [stderr]   --> src/checker/group_checker.rs:42:11
Dec 17 16:36:14.881 INFO [stderr]    |
Dec 17 16:36:14.881 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 17 16:36:14.881 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 17 16:36:14.881 INFO [stderr] 
Dec 17 16:36:14.881 INFO [stderr] warning: unknown lint: `needless_bool`
Dec 17 16:36:14.881 INFO [stderr]   --> src/checker/group_checker.rs:42:30
Dec 17 16:36:14.881 INFO [stderr]    |
Dec 17 16:36:14.881 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 17 16:36:14.881 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 17 16:36:14.881 INFO [stderr] 
Dec 17 16:36:15.875 INFO [stderr] warning: unused imports: `SudokuChoice`, `SudokuPosition`, `SudokuValue`
Dec 17 16:36:15.875 INFO [stderr]  --> src/main.rs:4:10
Dec 17 16:36:15.875 INFO [stderr]   |
Dec 17 16:36:15.875 INFO [stderr] 4 |   core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue},
Dec 17 16:36:15.875 INFO [stderr]   |          ^^^^^^^^^^^^              ^^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 17 16:36:15.875 INFO [stderr]   |
Dec 17 16:36:15.888 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 16:36:15.888 INFO [stderr] 
Dec 17 16:36:15.904 INFO [stderr] warning: unused imports: `SudokuChoice`, `SudokuPosition`, `SudokuValue`
Dec 17 16:36:15.904 INFO [stderr]  --> src/main.rs:4:10
Dec 17 16:36:15.904 INFO [stderr]   |
Dec 17 16:36:15.904 INFO [stderr] 4 |   core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue},
Dec 17 16:36:15.904 INFO [stderr]   |          ^^^^^^^^^^^^              ^^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 17 16:36:15.904 INFO [stderr]   |
Dec 17 16:36:15.904 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 16:36:15.904 INFO [stderr] 
Dec 17 16:36:16.001 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 17 16:36:16.978 INFO running `"docker" "inspect" "57284e6783a78bdd19b645bb64a3e682b19690c4e7916c6a3730a1ff1d6da54f"`
Dec 17 16:36:17.274 INFO running `"docker" "rm" "-f" "57284e6783a78bdd19b645bb64a3e682b19690c4e7916c6a3730a1ff1d6da54f"`
Dec 17 16:36:17.632 INFO [stdout] 57284e6783a78bdd19b645bb64a3e682b19690c4e7916c6a3730a1ff1d6da54f