[INFO] updating cached repository dakitten2358/rust_sudoku [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/dakitten2358/rust_sudoku [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/dakitten2358/rust_sudoku" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dakitten2358/rust_sudoku"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dakitten2358/rust_sudoku'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/dakitten2358/rust_sudoku" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dakitten2358/rust_sudoku"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dakitten2358/rust_sudoku'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a099d400896428bcc995a0f85ef1b77e3d32f4e4 [INFO] sha for GitHub repo dakitten2358/rust_sudoku: a099d400896428bcc995a0f85ef1b77e3d32f4e4 [INFO] validating manifest of dakitten2358/rust_sudoku on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of dakitten2358/rust_sudoku on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing dakitten2358/rust_sudoku [INFO] finished frobbing dakitten2358/rust_sudoku [INFO] frobbed toml for dakitten2358/rust_sudoku written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/dakitten2358/rust_sudoku/Cargo.toml [INFO] started frobbing dakitten2358/rust_sudoku [INFO] finished frobbing dakitten2358/rust_sudoku [INFO] frobbed toml for dakitten2358/rust_sudoku written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/dakitten2358/rust_sudoku/Cargo.toml [INFO] crate dakitten2358/rust_sudoku already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking dakitten2358/rust_sudoku against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4c6536df35f610d01538a0b7b4f8de7a7aaa71ac927ed344415d3a1a4a6b1366 [INFO] running `"docker" "start" "-a" "4c6536df35f610d01538a0b7b4f8de7a7aaa71ac927ed344415d3a1a4a6b1366"` [INFO] [stderr] Compiling libc v0.2.26 [INFO] [stderr] Checking scopeguard v0.3.2 [INFO] [stderr] Checking either v1.1.0 [INFO] [stderr] Checking num-traits v0.1.39 [INFO] [stderr] Checking futures v0.1.14 [INFO] [stderr] Checking shader_version v0.2.2 [INFO] [stderr] Checking piston-texture v0.5.0 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling xml-rs v0.6.0 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking shared_library v0.1.6 [INFO] [stderr] Checking deflate v0.7.13 [INFO] [stderr] Compiling wayland-scanner v0.8.7 [INFO] [stderr] Checking pistoncore-input v0.18.0 [INFO] [stderr] Checking coco v0.1.1 [INFO] [stderr] Checking piston2d-graphics v0.21.1 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling gl_generator v0.5.5 [INFO] [stderr] Checking num-integer v0.1.34 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking x11-dl v2.14.0 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking num-rational v0.1.38 [INFO] [stderr] Checking fs2 v0.2.5 [INFO] [stderr] Checking tempfile v2.1.5 [INFO] [stderr] Compiling wayland-client v0.8.7 [INFO] [stderr] Checking png v0.8.0 [INFO] [stderr] Checking pistoncore-window v0.27.0 [INFO] [stderr] Checking memmap v0.4.0 [INFO] [stderr] Checking rayon-core v1.2.1 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking pistoncore-event_loop v0.32.0 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Checking piston v0.32.0 [INFO] [stderr] Checking rayon v0.8.2 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling gl v0.6.3 [INFO] [stderr] Compiling glutin v0.8.1 [INFO] [stderr] Checking jpeg-decoder v0.1.13 [INFO] [stderr] Checking image v0.14.0 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Checking piston2d-opengl_graphics v0.45.0 [INFO] [stderr] Checking dlib v0.3.1 [INFO] [stderr] Checking wayland-sys v0.8.7 [INFO] [stderr] Checking wayland-window v0.5.0 [INFO] [stderr] Checking wayland-kbd v0.8.0 [INFO] [stderr] Checking winit v0.6.4 [INFO] [stderr] Checking pistoncore-glutin_window v0.37.0 [INFO] [stderr] Checking sudoku v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/gameboard.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | /// check to see if we already have this number in the given row or column [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 61 | / for i in 0..9 { [INFO] [stderr] 62 | | if (self.cells[i][ind[0]] == val) { [INFO] [stderr] 63 | | return false; [INFO] [stderr] 64 | | } [INFO] [stderr] ... | [INFO] [stderr] 67 | | } [INFO] [stderr] 68 | | } [INFO] [stderr] | |_________- rustdoc does not generate documentation for expressions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/gameboard.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | /// check to see if we already have this number in the given row or column [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 61 | / for i in 0..9 { [INFO] [stderr] 62 | | if (self.cells[i][ind[0]] == val) { [INFO] [stderr] 63 | | return false; [INFO] [stderr] 64 | | } [INFO] [stderr] ... | [INFO] [stderr] 67 | | } [INFO] [stderr] 68 | | } [INFO] [stderr] | |_________- rustdoc does not generate documentation for expressions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:62:16 [INFO] [stderr] | [INFO] [stderr] 62 | if (self.cells[i][ind[0]] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:65:16 [INFO] [stderr] | [INFO] [stderr] 65 | if (self.cells[ind[1]][i] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:80:12 [INFO] [stderr] | [INFO] [stderr] 80 | if (self.cells[row1 + section_row][col1 + section_col] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:83:12 [INFO] [stderr] | [INFO] [stderr] 83 | if (self.cells[row2 + section_row][col1 + section_col] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:87:12 [INFO] [stderr] | [INFO] [stderr] 87 | if (self.cells[row1 + section_row][col2 + section_col] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | if (self.cells[row2 + section_row][col2 + section_col] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:62:16 [INFO] [stderr] | [INFO] [stderr] 62 | if (self.cells[i][ind[0]] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:65:16 [INFO] [stderr] | [INFO] [stderr] 65 | if (self.cells[ind[1]][i] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:80:12 [INFO] [stderr] | [INFO] [stderr] 80 | if (self.cells[row1 + section_row][col1 + section_col] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:83:12 [INFO] [stderr] | [INFO] [stderr] 83 | if (self.cells[row2 + section_row][col1 + section_col] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:87:12 [INFO] [stderr] | [INFO] [stderr] 87 | if (self.cells[row1 + section_row][col2 + section_col] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/gameboard.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | if (self.cells[row2 + section_row][col2 + section_col] == val) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 04s [INFO] running `"docker" "inspect" "4c6536df35f610d01538a0b7b4f8de7a7aaa71ac927ed344415d3a1a4a6b1366"` [INFO] running `"docker" "rm" "-f" "4c6536df35f610d01538a0b7b4f8de7a7aaa71ac927ed344415d3a1a4a6b1366"` [INFO] [stdout] 4c6536df35f610d01538a0b7b4f8de7a7aaa71ac927ed344415d3a1a4a6b1366