Dec 18 01:54:43.112 INFO checking dakitten2358/rust_sudoku against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:54:43.113 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/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:54:43.572 INFO [stdout] c914a20f0c968dbfd95e26fac35da153797928d550a22c93102d24274ea1dc07
Dec 18 01:54:43.574 INFO running `"docker" "start" "-a" "c914a20f0c968dbfd95e26fac35da153797928d550a22c93102d24274ea1dc07"`
Dec 18 01:54:44.648 INFO [stderr]    Compiling num-traits v0.1.39
Dec 18 01:54:44.668 INFO [stderr]     Checking enum_primitive v0.1.1
Dec 18 01:54:44.668 INFO [stderr]    Compiling wayland-scanner v0.8.7
Dec 18 01:54:44.668 INFO [stderr]     Checking num-rational v0.1.38
Dec 18 01:54:44.668 INFO [stderr]    Compiling glutin v0.8.1
Dec 18 01:54:44.668 INFO [stderr]     Checking png v0.8.0
Dec 18 01:54:44.670 INFO [stderr]     Checking tempfile v2.1.5
Dec 18 01:54:46.852 INFO [stderr]    Compiling serde_json v0.9.10
Dec 18 01:54:47.316 INFO [stderr]     Checking image v0.14.0
Dec 18 01:54:49.073 INFO [stderr]    Compiling wayland-client v0.8.7
Dec 18 01:54:54.148 INFO [stderr]    Compiling target_build_utils v0.3.1
Dec 18 01:54:56.046 INFO [stderr]     Checking piston2d-opengl_graphics v0.45.0
Dec 18 01:54:56.453 INFO [stderr]    Compiling libloading v0.3.4
Dec 18 01:54:58.653 INFO [stderr]     Checking dlib v0.3.1
Dec 18 01:54:58.873 INFO [stderr]     Checking wayland-sys v0.8.7
Dec 18 01:55:00.685 INFO [stderr]     Checking wayland-kbd v0.8.0
Dec 18 01:55:00.685 INFO [stderr]     Checking wayland-window v0.5.0
Dec 18 01:55:01.848 INFO [stderr]     Checking winit v0.6.4
Dec 18 01:55:04.472 INFO [stderr]     Checking pistoncore-glutin_window v0.37.0
Dec 18 01:55:04.922 INFO [stderr]     Checking sudoku v0.1.0 (/opt/crater/workdir)
Dec 18 01:55:05.605 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 01:55:05.605 INFO [stderr]   --> src/gameboard.rs:60:9
Dec 18 01:55:05.605 INFO [stderr]    |
Dec 18 01:55:05.605 INFO [stderr] 60 |         /// check to see if we already have this number in the given row or column
Dec 18 01:55:05.605 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:55:05.605 INFO [stderr]    |
Dec 18 01:55:05.605 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 18 01:55:05.605 INFO [stderr] 
Dec 18 01:55:05.605 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.605 INFO [stderr]   --> src/gameboard.rs:62:16
Dec 18 01:55:05.605 INFO [stderr]    |
Dec 18 01:55:05.605 INFO [stderr] 62 |             if (self.cells[i][ind[0]] == val) {
Dec 18 01:55:05.605 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.605 INFO [stderr]    |
Dec 18 01:55:05.605 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 01:55:05.605 INFO [stderr] 
Dec 18 01:55:05.605 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.605 INFO [stderr]   --> src/gameboard.rs:65:16
Dec 18 01:55:05.605 INFO [stderr]    |
Dec 18 01:55:05.605 INFO [stderr] 65 |             if (self.cells[ind[1]][i] == val) {
Dec 18 01:55:05.605 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.605 INFO [stderr] 
Dec 18 01:55:05.605 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.605 INFO [stderr]   --> src/gameboard.rs:80:12
Dec 18 01:55:05.605 INFO [stderr]    |
Dec 18 01:55:05.605 INFO [stderr] 80 |         if (self.cells[row1 + section_row][col1 + section_col] == val) {
Dec 18 01:55:05.605 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.605 INFO [stderr] 
Dec 18 01:55:05.605 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.605 INFO [stderr]   --> src/gameboard.rs:83:12
Dec 18 01:55:05.605 INFO [stderr]    |
Dec 18 01:55:05.605 INFO [stderr] 83 |         if (self.cells[row2 + section_row][col1 + section_col] == val) {
Dec 18 01:55:05.605 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.605 INFO [stderr] 
Dec 18 01:55:05.605 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.605 INFO [stderr]   --> src/gameboard.rs:87:12
Dec 18 01:55:05.605 INFO [stderr]    |
Dec 18 01:55:05.605 INFO [stderr] 87 |         if (self.cells[row1 + section_row][col2 + section_col] == val) {
Dec 18 01:55:05.605 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.605 INFO [stderr] 
Dec 18 01:55:05.605 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.605 INFO [stderr]   --> src/gameboard.rs:90:12
Dec 18 01:55:05.605 INFO [stderr]    |
Dec 18 01:55:05.605 INFO [stderr] 90 |         if (self.cells[row2 + section_row][col2 + section_col] == val) {
Dec 18 01:55:05.605 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.605 INFO [stderr] 
Dec 18 01:55:05.640 INFO [stderr] warning: doc comment not used by rustdoc
Dec 18 01:55:05.640 INFO [stderr]   --> src/gameboard.rs:60:9
Dec 18 01:55:05.640 INFO [stderr]    |
Dec 18 01:55:05.640 INFO [stderr] 60 |         /// check to see if we already have this number in the given row or column
Dec 18 01:55:05.641 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:55:05.641 INFO [stderr]    |
Dec 18 01:55:05.641 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Dec 18 01:55:05.641 INFO [stderr] 
Dec 18 01:55:05.641 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.641 INFO [stderr]   --> src/gameboard.rs:62:16
Dec 18 01:55:05.641 INFO [stderr]    |
Dec 18 01:55:05.641 INFO [stderr] 62 |             if (self.cells[i][ind[0]] == val) {
Dec 18 01:55:05.641 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.642 INFO [stderr]    |
Dec 18 01:55:05.642 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 01:55:05.642 INFO [stderr] 
Dec 18 01:55:05.642 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.642 INFO [stderr]   --> src/gameboard.rs:65:16
Dec 18 01:55:05.642 INFO [stderr]    |
Dec 18 01:55:05.642 INFO [stderr] 65 |             if (self.cells[ind[1]][i] == val) {
Dec 18 01:55:05.642 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.642 INFO [stderr] 
Dec 18 01:55:05.642 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.642 INFO [stderr]   --> src/gameboard.rs:80:12
Dec 18 01:55:05.642 INFO [stderr]    |
Dec 18 01:55:05.642 INFO [stderr] 80 |         if (self.cells[row1 + section_row][col1 + section_col] == val) {
Dec 18 01:55:05.642 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.642 INFO [stderr] 
Dec 18 01:55:05.642 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.642 INFO [stderr]   --> src/gameboard.rs:83:12
Dec 18 01:55:05.642 INFO [stderr]    |
Dec 18 01:55:05.652 INFO [stderr] 83 |         if (self.cells[row2 + section_row][col1 + section_col] == val) {
Dec 18 01:55:05.652 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.652 INFO [stderr] 
Dec 18 01:55:05.652 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.652 INFO [stderr]   --> src/gameboard.rs:87:12
Dec 18 01:55:05.652 INFO [stderr]    |
Dec 18 01:55:05.652 INFO [stderr] 87 |         if (self.cells[row1 + section_row][col2 + section_col] == val) {
Dec 18 01:55:05.652 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.652 INFO [stderr] 
Dec 18 01:55:05.652 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 01:55:05.652 INFO [stderr]   --> src/gameboard.rs:90:12
Dec 18 01:55:05.652 INFO [stderr]    |
Dec 18 01:55:05.652 INFO [stderr] 90 |         if (self.cells[row2 + section_row][col2 + section_col] == val) {
Dec 18 01:55:05.652 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 01:55:05.652 INFO [stderr] 
Dec 18 01:55:05.862 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.54s
Dec 18 01:55:06.154 INFO running `"docker" "inspect" "c914a20f0c968dbfd95e26fac35da153797928d550a22c93102d24274ea1dc07"`
Dec 18 01:55:06.241 INFO running `"docker" "rm" "-f" "c914a20f0c968dbfd95e26fac35da153797928d550a22c93102d24274ea1dc07"`
Dec 18 01:55:06.374 INFO [stdout] c914a20f0c968dbfd95e26fac35da153797928d550a22c93102d24274ea1dc07