[INFO] cloning repository https://github.com/ruggeri/sudoku_solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruggeri/sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6f77304a6366925acd849c5f564446cb7245b76 [INFO] checking ruggeri/sudoku_solver against master#09a371361240e42b0d69438fd1179efcf212e576 for pr-157814-crater-rollup [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ruggeri/sudoku_solver [INFO] finished tweaking git repo https://github.com/ruggeri/sudoku_solver [INFO] tweaked toml for git repo https://github.com/ruggeri/sudoku_solver written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ruggeri/sudoku_solver on toolchain 09a371361240e42b0d69438fd1179efcf212e576 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ruggeri/sudoku_solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `sudoku_solving` (manifest) generated 1 warning [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_xorshift v0.1.0 [INFO] [stderr] Downloaded rand_chacha v0.1.0 [INFO] [stderr] Downloaded rand v0.6.1 [INFO] [stderr] Downloaded libc v0.2.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7cf07dcec6eec8f91d8fcff9552b5c74122c05467aaf1800be6da9d6f61e2ab2" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] f6b4e4c41d3071e9f07e8468430e9df6ae3f8bcd8f9b863190d07eec369a0cf2 [INFO] running `Command { std: "docker" "start" "f6b4e4c41d3071e9f07e8468430e9df6ae3f8bcd8f9b863190d07eec369a0cf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6b4e4c41d3071e9f07e8468430e9df6ae3f8bcd8f9b863190d07eec369a0cf2" "/opt/rustwide/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6b4e4c41d3071e9f07e8468430e9df6ae3f8bcd8f9b863190d07eec369a0cf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6b4e4c41d3071e9f07e8468430e9df6ae3f8bcd8f9b863190d07eec369a0cf2" "/opt/rustwide/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `sudoku_solving` (manifest) generated 1 warning [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking sudoku_solving v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:68:11 [INFO] [stdout] | [INFO] [stdout] 68 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:128:11 [INFO] [stdout] | [INFO] [stdout] 128 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:177:11 [INFO] [stdout] | [INFO] [stdout] 177 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/group_checker.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `needless_bool` [INFO] [stdout] --> src/checker/group_checker.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:68:11 [INFO] [stdout] | [INFO] [stdout] 68 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:128:11 [INFO] [stdout] | [INFO] [stdout] 128 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:177:11 [INFO] [stdout] | [INFO] [stdout] 177 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/group_checker.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `needless_bool` [INFO] [stdout] --> src/checker/group_checker.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/checker/grid_checker.rs:27:57 [INFO] [stdout] | [INFO] [stdout] 27 | ... SUDOKU_DIM_USIZE] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/checker/grid_checker.rs:27:57 [INFO] [stdout] | [INFO] [stdout] 27 | ... SUDOKU_DIM_USIZE] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[[SudokuGroupConflictChecker; 16]; 16]` does not permit being left uninitialized [INFO] [stdout] --> src/checker/grid_checker.rs:27:52 [INFO] [stdout] | [INFO] [stdout] 27 | ... SUDOKU_DIM_USIZE] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/checker/group_checker.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | value_conflicts: [u8; SUDOKU_DIM_USIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[[SudokuGroupConflictChecker; 16]; 16]` does not permit being left uninitialized [INFO] [stdout] --> src/checker/grid_checker.rs:27:52 [INFO] [stdout] | [INFO] [stdout] 27 | ... SUDOKU_DIM_USIZE] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/checker/group_checker.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | value_conflicts: [u8; SUDOKU_DIM_USIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SudokuChoice`, `SudokuPosition`, and `SudokuValue` [INFO] [stdout] --> src/main.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SudokuChoice`, `SudokuPosition`, and `SudokuValue` [INFO] [stdout] --> src/main.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.48s [INFO] running `Command { std: "docker" "inspect" "f6b4e4c41d3071e9f07e8468430e9df6ae3f8bcd8f9b863190d07eec369a0cf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6b4e4c41d3071e9f07e8468430e9df6ae3f8bcd8f9b863190d07eec369a0cf2", kill_on_drop: false }` [INFO] [stdout] f6b4e4c41d3071e9f07e8468430e9df6ae3f8bcd8f9b863190d07eec369a0cf2