Dec 11 10:37:29.113 INFO checking ruggeri/sudoku_solver against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 10:37:29.113 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 10:37:29.476 INFO [stdout] c22e4e0b945e703733d7096ba51d46fd9abd605d9eb8c3c2a351db68985db124
Dec 11 10:37:29.478 INFO running `"docker" "start" "-a" "c22e4e0b945e703733d7096ba51d46fd9abd605d9eb8c3c2a351db68985db124"`
Dec 11 10:37:30.600 INFO [stderr] usermod: no changes
Dec 11 10:37:30.672 INFO [stderr]    Compiling libc v0.2.44
Dec 11 10:37:32.305 INFO [stderr]     Checking rand v0.6.1
Dec 11 10:37:34.358 INFO [stderr]     Checking sudoku_solving v0.1.0 (/source)
Dec 11 10:37:34.409 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 11 10:37:34.409 INFO [stderr]   --> src/checker/grid_checker.rs:68:11
Dec 11 10:37:34.409 INFO [stderr]    |
Dec 11 10:37:34.410 INFO [stderr] 68 |   #[allow(if_same_then_else)]
Dec 11 10:37:34.410 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 11 10:37:34.410 INFO [stderr]    |
Dec 11 10:37:34.410 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 11 10:37:34.410 INFO [stderr] 
Dec 11 10:37:34.410 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 11 10:37:34.411 INFO [stderr]    --> src/checker/grid_checker.rs:128:11
Dec 11 10:37:34.411 INFO [stderr]     |
Dec 11 10:37:34.411 INFO [stderr] 128 |   #[allow(if_same_then_else)]
Dec 11 10:37:34.411 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 11 10:37:34.411 INFO [stderr] 
Dec 11 10:37:34.411 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 11 10:37:34.411 INFO [stderr]    --> src/checker/grid_checker.rs:177:11
Dec 11 10:37:34.411 INFO [stderr]     |
Dec 11 10:37:34.411 INFO [stderr] 177 |   #[allow(if_same_then_else)]
Dec 11 10:37:34.411 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 11 10:37:34.411 INFO [stderr] 
Dec 11 10:37:34.412 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 11 10:37:34.412 INFO [stderr]   --> src/checker/group_checker.rs:42:11
Dec 11 10:37:34.412 INFO [stderr]    |
Dec 11 10:37:34.412 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 11 10:37:34.412 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 11 10:37:34.412 INFO [stderr] 
Dec 11 10:37:34.412 INFO [stderr] warning: unknown lint: `needless_bool`
Dec 11 10:37:34.412 INFO [stderr]   --> src/checker/group_checker.rs:42:30
Dec 11 10:37:34.412 INFO [stderr]    |
Dec 11 10:37:34.412 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 11 10:37:34.412 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 11 10:37:34.412 INFO [stderr] 
Dec 11 10:37:34.449 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 11 10:37:34.449 INFO [stderr]   --> src/checker/grid_checker.rs:68:11
Dec 11 10:37:34.449 INFO [stderr]    |
Dec 11 10:37:34.449 INFO [stderr] 68 |   #[allow(if_same_then_else)]
Dec 11 10:37:34.449 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 11 10:37:34.449 INFO [stderr]    |
Dec 11 10:37:34.449 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 11 10:37:34.449 INFO [stderr] 
Dec 11 10:37:34.449 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 11 10:37:34.449 INFO [stderr]    --> src/checker/grid_checker.rs:128:11
Dec 11 10:37:34.449 INFO [stderr]     |
Dec 11 10:37:34.450 INFO [stderr] 128 |   #[allow(if_same_then_else)]
Dec 11 10:37:34.450 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 11 10:37:34.450 INFO [stderr] 
Dec 11 10:37:34.450 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 11 10:37:34.450 INFO [stderr]    --> src/checker/grid_checker.rs:177:11
Dec 11 10:37:34.450 INFO [stderr]     |
Dec 11 10:37:34.450 INFO [stderr] 177 |   #[allow(if_same_then_else)]
Dec 11 10:37:34.450 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^
Dec 11 10:37:34.450 INFO [stderr] 
Dec 11 10:37:34.450 INFO [stderr] warning: unknown lint: `if_same_then_else`
Dec 11 10:37:34.451 INFO [stderr]   --> src/checker/group_checker.rs:42:11
Dec 11 10:37:34.451 INFO [stderr]    |
Dec 11 10:37:34.451 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 11 10:37:34.451 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^
Dec 11 10:37:34.451 INFO [stderr] 
Dec 11 10:37:34.451 INFO [stderr] warning: unknown lint: `needless_bool`
Dec 11 10:37:34.451 INFO [stderr]   --> src/checker/group_checker.rs:42:30
Dec 11 10:37:34.451 INFO [stderr]    |
Dec 11 10:37:34.452 INFO [stderr] 42 |   #[allow(if_same_then_else, needless_bool)]
Dec 11 10:37:34.452 INFO [stderr]    |                              ^^^^^^^^^^^^^
Dec 11 10:37:34.452 INFO [stderr] 
Dec 11 10:37:35.156 INFO [stderr] warning: unused imports: `SudokuChoice`, `SudokuPosition`, `SudokuValue`
Dec 11 10:37:35.156 INFO [stderr]  --> src/main.rs:4:10
Dec 11 10:37:35.156 INFO [stderr]   |
Dec 11 10:37:35.156 INFO [stderr] 4 |   core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue},
Dec 11 10:37:35.156 INFO [stderr]   |          ^^^^^^^^^^^^              ^^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 11 10:37:35.156 INFO [stderr]   |
Dec 11 10:37:35.156 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 10:37:35.156 INFO [stderr] 
Dec 11 10:37:35.160 INFO [stderr] warning: unused imports: `SudokuChoice`, `SudokuPosition`, `SudokuValue`
Dec 11 10:37:35.160 INFO [stderr]  --> src/main.rs:4:10
Dec 11 10:37:35.160 INFO [stderr]   |
Dec 11 10:37:35.160 INFO [stderr] 4 |   core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue},
Dec 11 10:37:35.160 INFO [stderr]   |          ^^^^^^^^^^^^              ^^^^^^^^^^^^^^  ^^^^^^^^^^^
Dec 11 10:37:35.160 INFO [stderr]   |
Dec 11 10:37:35.160 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 10:37:35.160 INFO [stderr] 
Dec 11 10:37:35.212 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
Dec 11 10:37:35.216 INFO [stderr] su: No module specific data is present
Dec 11 10:37:35.518 INFO running `"docker" "inspect" "c22e4e0b945e703733d7096ba51d46fd9abd605d9eb8c3c2a351db68985db124"`
Dec 11 10:37:35.650 INFO running `"docker" "rm" "-f" "c22e4e0b945e703733d7096ba51d46fd9abd605d9eb8c3c2a351db68985db124"`
Dec 11 10:37:35.796 INFO [stdout] c22e4e0b945e703733d7096ba51d46fd9abd605d9eb8c3c2a351db68985db124