[INFO] updating cached repository https://github.com/Pluriscient/rust-sudoku-solver [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 59e93cb54827eb3c1977405ddcadf052ed1f8ef4 [INFO] checking Pluriscient/rust-sudoku-solver against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Frust-sudoku-solver" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Pluriscient/rust-sudoku-solver on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Pluriscient/rust-sudoku-solver [INFO] finished tweaking git repo https://github.com/Pluriscient/rust-sudoku-solver [INFO] tweaked toml for git repo https://github.com/Pluriscient/rust-sudoku-solver written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Pluriscient/rust-sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 36ae6f57d610662e26172caa65ca2aba79857af25fae1f7c3a9d9d23c3379342 [INFO] running `"docker" "start" "-a" "36ae6f57d610662e26172caa65ca2aba79857af25fae1f7c3a9d9d23c3379342"` [INFO] [stderr] Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `crate::sudokutwo::sudoku_api::SudokuApi` [INFO] [stderr] --> src/sudokutwo.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::sudokutwo::sudoku_api::SudokuApi; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/sudokutwo.rs:18:58 [INFO] [stderr] | [INFO] [stderr] 18 | fn get_sets(sets: Vec, all_pots: EntryNum, data: &[EntryNum; 81]) -> EntryNum { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/sudokutwo.rs:133:27 [INFO] [stderr] | [INFO] [stderr] 133 | .filter(|(i, x)| **x & mask > 0) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rcb` [INFO] [stderr] --> src/sudokutwo.rs:125:38 [INFO] [stderr] | [INFO] [stderr] 125 | fn eliminate_omission(&mut self, rcb: usize, indices: Vec, t: EntityType) -> u32 { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_rcb` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sudokutwo.rs:132:17 [INFO] [stderr] | [INFO] [stderr] 132 | let mut pos_locs = ens.iter().enumerate() [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::sudokutwo::sudoku_api::SudokuApi` [INFO] [stderr] --> src/sudokutwo.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::sudokutwo::sudoku_api::SudokuApi; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/sudokutwo.rs:18:58 [INFO] [stderr] | [INFO] [stderr] 18 | fn get_sets(sets: Vec, all_pots: EntryNum, data: &[EntryNum; 81]) -> EntryNum { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/sudokutwo.rs:133:27 [INFO] [stderr] | [INFO] [stderr] 133 | .filter(|(i, x)| **x & mask > 0) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rcb` [INFO] [stderr] --> src/sudokutwo.rs:125:38 [INFO] [stderr] | [INFO] [stderr] 125 | fn eliminate_omission(&mut self, rcb: usize, indices: Vec, t: EntityType) -> u32 { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_rcb` [INFO] [stderr] [INFO] [stderr] warning: associated const is never used: `BLOCK_ONE` [INFO] [stderr] --> src/sudokutwo.rs:103:5 [INFO] [stderr] | [INFO] [stderr] 103 | const BLOCK_ONE: [usize; 3] = [0, 1, 2]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated const is never used: `BLOCK_TWO` [INFO] [stderr] --> src/sudokutwo.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | const BLOCK_TWO: [usize; 3] = [3, 4, 5]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated const is never used: `BLOCK_THREE` [INFO] [stderr] --> src/sudokutwo.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | const BLOCK_THREE: [usize; 3] = [6, 7, 8]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove_other_locs` [INFO] [stderr] --> src/sudokutwo.rs:194:5 [INFO] [stderr] | [INFO] [stderr] 194 | fn remove_other_locs(&mut self, rcb_index: usize, mask: u16, indices: Vec, block_locs: Vec) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `in_same_RCB` should have a snake case name [INFO] [stderr] --> src/sudokutwo.rs:183:8 [INFO] [stderr] | [INFO] [stderr] 183 | fn in_same_RCB(indices: &Vec, t: EntityType) -> bool { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `in_same_rcb` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sudokutwo.rs:132:17 [INFO] [stderr] | [INFO] [stderr] 132 | let mut pos_locs = ens.iter().enumerate() [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated const is never used: `BLOCK_ONE` [INFO] [stderr] --> src/sudokutwo.rs:103:5 [INFO] [stderr] | [INFO] [stderr] 103 | const BLOCK_ONE: [usize; 3] = [0, 1, 2]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated const is never used: `BLOCK_TWO` [INFO] [stderr] --> src/sudokutwo.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | const BLOCK_TWO: [usize; 3] = [3, 4, 5]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated const is never used: `BLOCK_THREE` [INFO] [stderr] --> src/sudokutwo.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | const BLOCK_THREE: [usize; 3] = [6, 7, 8]; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove_other_locs` [INFO] [stderr] --> src/sudokutwo.rs:194:5 [INFO] [stderr] | [INFO] [stderr] 194 | fn remove_other_locs(&mut self, rcb_index: usize, mask: u16, indices: Vec, block_locs: Vec) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `in_same_RCB` should have a snake case name [INFO] [stderr] --> src/sudokutwo.rs:183:8 [INFO] [stderr] | [INFO] [stderr] 183 | fn in_same_RCB(indices: &Vec, t: EntityType) -> bool { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `in_same_rcb` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `"docker" "inspect" "36ae6f57d610662e26172caa65ca2aba79857af25fae1f7c3a9d9d23c3379342"` [INFO] running `"docker" "rm" "-f" "36ae6f57d610662e26172caa65ca2aba79857af25fae1f7c3a9d9d23c3379342"` [INFO] [stdout] 36ae6f57d610662e26172caa65ca2aba79857af25fae1f7c3a9d9d23c3379342