[INFO] cloning repository https://github.com/Mungkorn12/SudokuSolverProject [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mungkorn12/SudokuSolverProject" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMungkorn12%2FSudokuSolverProject", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMungkorn12%2FSudokuSolverProject'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2c6b641acb3e7069e8fd5a3245b20dc4b23c1dd4 [INFO] checking Mungkorn12/SudokuSolverProject against master#2aabf3ce0569dd7c8c2d2a27944850056dcf2566 for pr-156508-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMungkorn12%2FSudokuSolverProject" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Mungkorn12/SudokuSolverProject [INFO] finished tweaking git repo https://github.com/Mungkorn12/SudokuSolverProject [INFO] tweaked toml for git repo https://github.com/Mungkorn12/SudokuSolverProject written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Mungkorn12/SudokuSolverProject on toolchain 2aabf3ce0569dd7c8c2d2a27944850056dcf2566 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Mungkorn12/SudokuSolverProject 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" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded colored v2.1.0 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded redox_termios v0.1.3 [INFO] [stderr] Downloaded figlet-rs v0.1.5 [INFO] [stderr] Downloaded termion v4.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7a77f05363096779390d221cb83f6e0cc1ee718843cd1ae13f073a1085705e1 [INFO] running `Command { std: "docker" "start" "-a" "b7a77f05363096779390d221cb83f6e0cc1ee718843cd1ae13f073a1085705e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7a77f05363096779390d221cb83f6e0cc1ee718843cd1ae13f073a1085705e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7a77f05363096779390d221cb83f6e0cc1ee718843cd1ae13f073a1085705e1", kill_on_drop: false }` [INFO] [stdout] b7a77f05363096779390d221cb83f6e0cc1ee718843cd1ae13f073a1085705e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2aabf3ce0569dd7c8c2d2a27944850056dcf2566" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4d27e047ad507dbabdb1e995143c30ae268839f4a8f7a941e8af93e59f215f6 [INFO] running `Command { std: "docker" "start" "-a" "d4d27e047ad507dbabdb1e995143c30ae268839f4a8f7a941e8af93e59f215f6", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking figlet-rs v0.1.5 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking termion v4.0.2 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking funpar_sudoku_proejct v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `box_units` is never read [INFO] [stdout] --> src/rayon_parallel_solver.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let mut box_units = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 74 | box_units = cross(&box_rows, &box_cols); [INFO] [stdout] | --------- `box_units` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/rayon_parallel_solver.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let rows = "ABCDEFGHI".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/rayon_parallel_solver.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | let cols = "123456789".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/crossbeam_par_solver.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | let rows = "ABCDEFGHI".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/crossbeam_par_solver.rs:180:9 [INFO] [stdout] | [INFO] [stdout] 180 | let cols = "123456789".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/nonpar_solver.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 163 | let rows = "ABCDEFGHI".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/nonpar_solver.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | let cols = "123456789".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/rayon_parallel_solver.rs:193:4 [INFO] [stdout] | [INFO] [stdout] 193 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_board` is never used [INFO] [stdout] --> src/sequential_solver.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl SudokuSolver { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn print_board(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/sequential_solver.rs:108:4 [INFO] [stdout] | [INFO] [stdout] 108 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_board` is never used [INFO] [stdout] --> src/crossbeam_par_solver.rs:200:15 [INFO] [stdout] | [INFO] [stdout] 200 | pub(crate) fn print_board(board: &str) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/crossbeam_par_solver.rs:205:4 [INFO] [stdout] | [INFO] [stdout] 205 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `format_board` is never used [INFO] [stdout] --> src/nonpar_solver.rs:161:15 [INFO] [stdout] | [INFO] [stdout] 161 | pub(crate) fn format_board(board: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_board` is never used [INFO] [stdout] --> src/nonpar_solver.rs:184:15 [INFO] [stdout] | [INFO] [stdout] 184 | pub(crate) fn print_board(board: &str) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/nonpar_solver.rs:189:4 [INFO] [stdout] | [INFO] [stdout] 189 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `box_units` is never read [INFO] [stdout] --> src/rayon_parallel_solver.rs:63:29 [INFO] [stdout] | [INFO] [stdout] 63 | let mut box_units = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 74 | box_units = cross(&box_rows, &box_cols); [INFO] [stdout] | --------- `box_units` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/rayon_parallel_solver.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let rows = "ABCDEFGHI".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/rayon_parallel_solver.rs:168:9 [INFO] [stdout] | [INFO] [stdout] 168 | let cols = "123456789".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/crossbeam_par_solver.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | let rows = "ABCDEFGHI".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/crossbeam_par_solver.rs:180:9 [INFO] [stdout] | [INFO] [stdout] 180 | let cols = "123456789".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/nonpar_solver.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 163 | let rows = "ABCDEFGHI".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/nonpar_solver.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | let cols = "123456789".chars().collect::>(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/rayon_parallel_solver.rs:193:4 [INFO] [stdout] | [INFO] [stdout] 193 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_board` is never used [INFO] [stdout] --> src/sequential_solver.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl SudokuSolver { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn print_board(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/sequential_solver.rs:108:4 [INFO] [stdout] | [INFO] [stdout] 108 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_board` is never used [INFO] [stdout] --> src/crossbeam_par_solver.rs:200:15 [INFO] [stdout] | [INFO] [stdout] 200 | pub(crate) fn print_board(board: &str) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/crossbeam_par_solver.rs:205:4 [INFO] [stdout] | [INFO] [stdout] 205 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `format_board` is never used [INFO] [stdout] --> src/nonpar_solver.rs:161:15 [INFO] [stdout] | [INFO] [stdout] 161 | pub(crate) fn format_board(board: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_board` is never used [INFO] [stdout] --> src/nonpar_solver.rs:184:15 [INFO] [stdout] | [INFO] [stdout] 184 | pub(crate) fn print_board(board: &str) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/nonpar_solver.rs:189:4 [INFO] [stdout] | [INFO] [stdout] 189 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.08s [INFO] running `Command { std: "docker" "inspect" "d4d27e047ad507dbabdb1e995143c30ae268839f4a8f7a941e8af93e59f215f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4d27e047ad507dbabdb1e995143c30ae268839f4a8f7a941e8af93e59f215f6", kill_on_drop: false }` [INFO] [stdout] d4d27e047ad507dbabdb1e995143c30ae268839f4a8f7a941e8af93e59f215f6