[INFO] cloning repository https://github.com/jamwaffles/SudokuSolver.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamwaffles/SudokuSolver.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamwaffles%2FSudokuSolver.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamwaffles%2FSudokuSolver.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0935762e8ab6c025ae83ec1adc4136d3629bba6b [INFO] testing jamwaffles/SudokuSolver.rs against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamwaffles%2FSudokuSolver.rs" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jamwaffles/SudokuSolver.rs on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jamwaffles/SudokuSolver.rs [INFO] finished tweaking git repo https://github.com/jamwaffles/SudokuSolver.rs [INFO] tweaked toml for git repo https://github.com/jamwaffles/SudokuSolver.rs written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/jamwaffles/SudokuSolver.rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 00a85c36cf11e828e3ba97e321089ea928bf3bbeb9354d5560e2cbbff0bef991 [INFO] running `Command { std: "docker" "start" "-a" "00a85c36cf11e828e3ba97e321089ea928bf3bbeb9354d5560e2cbbff0bef991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00a85c36cf11e828e3ba97e321089ea928bf3bbeb9354d5560e2cbbff0bef991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00a85c36cf11e828e3ba97e321089ea928bf3bbeb9354d5560e2cbbff0bef991", kill_on_drop: false }` [INFO] [stdout] 00a85c36cf11e828e3ba97e321089ea928bf3bbeb9354d5560e2cbbff0bef991 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec3bb4313bc7326e91b7d4034583246873f575930c35858d8bc28cddffa83a96 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ec3bb4313bc7326e91b7d4034583246873f575930c35858d8bc28cddffa83a96", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling SudokuSolver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/sudoku/mod.rs:93:7 [INFO] [stdout] | [INFO] [stdout] 93 | if(col == 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 93 - if(col == 0) { [INFO] [stdout] 93 + if col == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/sudoku/mod.rs:195:32 [INFO] [stdout] | [INFO] [stdout] 195 | 'columns: for block_y in (top..top + 3) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 195 - 'columns: for block_y in (top..top + 3) { [INFO] [stdout] 195 + 'columns: for block_y in top..top + 3 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/sudoku/mod.rs:196:23 [INFO] [stdout] | [INFO] [stdout] 196 | ... for block_x in (left..left + 3) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 196 - for block_x in (left..left + 3) { [INFO] [stdout] 196 + for block_x in left..left + 3 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/sudoku/mod.rs:160:19 [INFO] [stdout] | [INFO] [stdout] 160 | for (row_x, value) in self.board[y].iter().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/sudoku/mod.rs:179:19 [INFO] [stdout] | [INFO] [stdout] 179 | for (col_y, value) in col.iter().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/sudoku/mod.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(input_board: &[ [ u8; 9 ]; 9 ]) -> Board { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `SudokuSolver` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `sudoku_solver` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.96s [INFO] running `Command { std: "docker" "inspect" "ec3bb4313bc7326e91b7d4034583246873f575930c35858d8bc28cddffa83a96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec3bb4313bc7326e91b7d4034583246873f575930c35858d8bc28cddffa83a96", kill_on_drop: false }` [INFO] [stdout] ec3bb4313bc7326e91b7d4034583246873f575930c35858d8bc28cddffa83a96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e09b3f823d51ede09f6b4064780ff9ee826a39a38e3af5ee6e7ea54f630b65ee [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e09b3f823d51ede09f6b4064780ff9ee826a39a38e3af5ee6e7ea54f630b65ee", kill_on_drop: false }` [INFO] [stderr] Compiling SudokuSolver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/sudoku/mod.rs:93:7 [INFO] [stdout] | [INFO] [stdout] 93 | if(col == 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 93 - if(col == 0) { [INFO] [stdout] 93 + if col == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/sudoku/mod.rs:195:32 [INFO] [stdout] | [INFO] [stdout] 195 | 'columns: for block_y in (top..top + 3) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 195 - 'columns: for block_y in (top..top + 3) { [INFO] [stdout] 195 + 'columns: for block_y in top..top + 3 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/sudoku/mod.rs:196:23 [INFO] [stdout] | [INFO] [stdout] 196 | ... for block_x in (left..left + 3) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 196 - for block_x in (left..left + 3) { [INFO] [stdout] 196 + for block_x in left..left + 3 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/sudoku/mod.rs:160:19 [INFO] [stdout] | [INFO] [stdout] 160 | for (row_x, value) in self.board[y].iter().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/sudoku/mod.rs:179:19 [INFO] [stdout] | [INFO] [stdout] 179 | for (col_y, value) in col.iter().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/sudoku/mod.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(input_board: &[ [ u8; 9 ]; 9 ]) -> Board { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `SudokuSolver` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `sudoku_solver` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "e09b3f823d51ede09f6b4064780ff9ee826a39a38e3af5ee6e7ea54f630b65ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e09b3f823d51ede09f6b4064780ff9ee826a39a38e3af5ee6e7ea54f630b65ee", kill_on_drop: false }` [INFO] [stdout] e09b3f823d51ede09f6b4064780ff9ee826a39a38e3af5ee6e7ea54f630b65ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 63a4dab68dfe6ed9fa9d92ff54088eb5705a93757527d2d3a2b05e27b4fa4ab4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "63a4dab68dfe6ed9fa9d92ff54088eb5705a93757527d2d3a2b05e27b4fa4ab4", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/sudoku/mod.rs:93:7 [INFO] [stderr] | [INFO] [stderr] 93 | if(col == 0) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 93 - if(col == 0) { [INFO] [stderr] 93 + if col == 0 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression [INFO] [stderr] --> src/sudoku/mod.rs:195:32 [INFO] [stderr] | [INFO] [stderr] 195 | 'columns: for block_y in (top..top + 3) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 195 - 'columns: for block_y in (top..top + 3) { [INFO] [stderr] 195 + 'columns: for block_y in top..top + 3 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression [INFO] [stderr] --> src/sudoku/mod.rs:196:23 [INFO] [stderr] | [INFO] [stderr] 196 | ... for block_x in (left..left + 3) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 196 - for block_x in (left..left + 3) { [INFO] [stderr] 196 + for block_x in left..left + 3 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/sudoku/mod.rs:160:19 [INFO] [stderr] | [INFO] [stderr] 160 | for (row_x, value) in self.board[y].iter().enumerate() { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/sudoku/mod.rs:179:19 [INFO] [stderr] | [INFO] [stderr] 179 | for (col_y, value) in col.iter().enumerate() { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/sudoku/mod.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn new(input_board: &[ [ u8; 9 ]; 9 ]) -> Board { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate `SudokuSolver` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `sudoku_solver` [INFO] [stderr] [INFO] [stderr] warning: `SudokuSolver` (bin "SudokuSolver" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/SudokuSolver-2a8e10331da1a4c0) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "63a4dab68dfe6ed9fa9d92ff54088eb5705a93757527d2d3a2b05e27b4fa4ab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63a4dab68dfe6ed9fa9d92ff54088eb5705a93757527d2d3a2b05e27b4fa4ab4", kill_on_drop: false }` [INFO] [stdout] 63a4dab68dfe6ed9fa9d92ff54088eb5705a93757527d2d3a2b05e27b4fa4ab4