Dec 19 18:30:47.439 INFO checking dakitten2358/rust_sudoku against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:30:47.439 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/dakitten2358/rust_sudoku:/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 18:30:47.991 INFO [stdout] b96e84137ea8287e48df898cf977a8264befbc40bb2df437d10b61d309796cab
Dec 19 18:30:47.993 INFO running `"docker" "start" "-a" "b96e84137ea8287e48df898cf977a8264befbc40bb2df437d10b61d309796cab"`
Dec 19 18:30:49.949 INFO [stderr]    Compiling glutin v0.8.1
Dec 19 18:30:49.950 INFO [stderr]     Checking tempfile v2.1.5
Dec 19 18:30:49.950 INFO [stderr]     Checking image v0.14.0
Dec 19 18:30:49.950 INFO [stderr]    Compiling target_build_utils v0.3.1
Dec 19 18:30:55.252 INFO [stderr]    Compiling libloading v0.3.4
Dec 19 18:30:57.988 INFO [stderr]     Checking piston2d-opengl_graphics v0.45.0
Dec 19 18:30:59.097 INFO [stderr]     Checking dlib v0.3.1
Dec 19 18:30:59.664 INFO [stderr]     Checking wayland-sys v0.8.7
Dec 19 18:31:00.512 INFO [stderr]     Checking wayland-client v0.8.7
Dec 19 18:31:02.130 INFO [stderr]     Checking wayland-kbd v0.8.0
Dec 19 18:31:02.131 INFO [stderr]     Checking wayland-window v0.5.0
Dec 19 18:31:03.320 INFO [stderr]     Checking winit v0.6.4
Dec 19 18:31:06.136 INFO [stderr]     Checking pistoncore-glutin_window v0.37.0
Dec 19 18:31:06.748 INFO [stderr]     Checking sudoku v0.1.0 (/opt/crater/workdir)
Dec 19 18:31:07.504 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 18:31:07.504 INFO [stderr]   --> src/gameboard.rs:60:9
Dec 19 18:31:07.504 INFO [stderr]    |
Dec 19 18:31:07.504 INFO [stderr] 60 |         /// check to see if we already have this number in the given row or column
Dec 19 18:31:07.504 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:31:07.504 INFO [stderr]    |
Dec 19 18:31:07.504 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 19 18:31:07.504 INFO [stderr] 
Dec 19 18:31:07.504 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.504 INFO [stderr]   --> src/gameboard.rs:62:16
Dec 19 18:31:07.504 INFO [stderr]    |
Dec 19 18:31:07.504 INFO [stderr] 62 |             if (self.cells[i][ind[0]] == val) {
Dec 19 18:31:07.504 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.504 INFO [stderr]    |
Dec 19 18:31:07.504 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 18:31:07.504 INFO [stderr] 
Dec 19 18:31:07.504 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.504 INFO [stderr]   --> src/gameboard.rs:65:16
Dec 19 18:31:07.504 INFO [stderr]    |
Dec 19 18:31:07.504 INFO [stderr] 65 |             if (self.cells[ind[1]][i] == val) {
Dec 19 18:31:07.504 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.504 INFO [stderr] 
Dec 19 18:31:07.504 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.504 INFO [stderr]   --> src/gameboard.rs:80:12
Dec 19 18:31:07.504 INFO [stderr]    |
Dec 19 18:31:07.504 INFO [stderr] 80 |         if (self.cells[row1 + section_row][col1 + section_col] == val) {
Dec 19 18:31:07.504 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.504 INFO [stderr] 
Dec 19 18:31:07.504 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.504 INFO [stderr]   --> src/gameboard.rs:83:12
Dec 19 18:31:07.504 INFO [stderr]    |
Dec 19 18:31:07.504 INFO [stderr] 83 |         if (self.cells[row2 + section_row][col1 + section_col] == val) {
Dec 19 18:31:07.504 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.504 INFO [stderr] 
Dec 19 18:31:07.504 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.504 INFO [stderr]   --> src/gameboard.rs:87:12
Dec 19 18:31:07.504 INFO [stderr]    |
Dec 19 18:31:07.504 INFO [stderr] 87 |         if (self.cells[row1 + section_row][col2 + section_col] == val) {
Dec 19 18:31:07.504 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.504 INFO [stderr] 
Dec 19 18:31:07.504 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.504 INFO [stderr]   --> src/gameboard.rs:90:12
Dec 19 18:31:07.504 INFO [stderr]    |
Dec 19 18:31:07.504 INFO [stderr] 90 |         if (self.cells[row2 + section_row][col2 + section_col] == val) {
Dec 19 18:31:07.504 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.505 INFO [stderr] 
Dec 19 18:31:07.620 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 18:31:07.620 INFO [stderr]   --> src/gameboard.rs:60:9
Dec 19 18:31:07.620 INFO [stderr]    |
Dec 19 18:31:07.620 INFO [stderr] 60 |         /// check to see if we already have this number in the given row or column
Dec 19 18:31:07.620 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:31:07.620 INFO [stderr]    |
Dec 19 18:31:07.620 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 19 18:31:07.620 INFO [stderr] 
Dec 19 18:31:07.620 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.620 INFO [stderr]   --> src/gameboard.rs:62:16
Dec 19 18:31:07.620 INFO [stderr]    |
Dec 19 18:31:07.620 INFO [stderr] 62 |             if (self.cells[i][ind[0]] == val) {
Dec 19 18:31:07.620 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.620 INFO [stderr]    |
Dec 19 18:31:07.620 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 18:31:07.620 INFO [stderr] 
Dec 19 18:31:07.620 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.620 INFO [stderr]   --> src/gameboard.rs:65:16
Dec 19 18:31:07.620 INFO [stderr]    |
Dec 19 18:31:07.620 INFO [stderr] 65 |             if (self.cells[ind[1]][i] == val) {
Dec 19 18:31:07.620 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.620 INFO [stderr] 
Dec 19 18:31:07.620 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.620 INFO [stderr]   --> src/gameboard.rs:80:12
Dec 19 18:31:07.620 INFO [stderr]    |
Dec 19 18:31:07.620 INFO [stderr] 80 |         if (self.cells[row1 + section_row][col1 + section_col] == val) {
Dec 19 18:31:07.620 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.620 INFO [stderr] 
Dec 19 18:31:07.620 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.620 INFO [stderr]   --> src/gameboard.rs:83:12
Dec 19 18:31:07.620 INFO [stderr]    |
Dec 19 18:31:07.620 INFO [stderr] 83 |         if (self.cells[row2 + section_row][col1 + section_col] == val) {
Dec 19 18:31:07.620 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.620 INFO [stderr] 
Dec 19 18:31:07.620 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.620 INFO [stderr]   --> src/gameboard.rs:87:12
Dec 19 18:31:07.620 INFO [stderr]    |
Dec 19 18:31:07.620 INFO [stderr] 87 |         if (self.cells[row1 + section_row][col2 + section_col] == val) {
Dec 19 18:31:07.621 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.621 INFO [stderr] 
Dec 19 18:31:07.621 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 19 18:31:07.621 INFO [stderr]   --> src/gameboard.rs:90:12
Dec 19 18:31:07.621 INFO [stderr]    |
Dec 19 18:31:07.621 INFO [stderr] 90 |         if (self.cells[row2 + section_row][col2 + section_col] == val) {
Dec 19 18:31:07.621 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:31:07.621 INFO [stderr] 
Dec 19 18:31:07.834 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.17s
Dec 19 18:31:08.468 INFO running `"docker" "inspect" "b96e84137ea8287e48df898cf977a8264befbc40bb2df437d10b61d309796cab"`
Dec 19 18:31:08.677 INFO running `"docker" "rm" "-f" "b96e84137ea8287e48df898cf977a8264befbc40bb2df437d10b61d309796cab"`
Dec 19 18:31:08.850 INFO [stdout] b96e84137ea8287e48df898cf977a8264befbc40bb2df437d10b61d309796cab