[INFO] cloning repository https://github.com/NicolenaStiles/rusty_sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicolenaStiles/rusty_sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolenaStiles%2Frusty_sudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolenaStiles%2Frusty_sudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 896fc14e9adb6b07e6512eddbd6cc056b93a21b6 [INFO] testing NicolenaStiles/rusty_sudoku against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolenaStiles%2Frusty_sudoku" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NicolenaStiles/rusty_sudoku on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NicolenaStiles/rusty_sudoku [INFO] finished tweaking git repo https://github.com/NicolenaStiles/rusty_sudoku [INFO] tweaked toml for git repo https://github.com/NicolenaStiles/rusty_sudoku written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/NicolenaStiles/rusty_sudoku already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7617fbc0e8ac8881a95c88f3dbd262b5c54198547c0103021456c5395aeabac [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" "f7617fbc0e8ac8881a95c88f3dbd262b5c54198547c0103021456c5395aeabac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7617fbc0e8ac8881a95c88f3dbd262b5c54198547c0103021456c5395aeabac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7617fbc0e8ac8881a95c88f3dbd262b5c54198547c0103021456c5395aeabac", kill_on_drop: false }` [INFO] [stdout] f7617fbc0e8ac8881a95c88f3dbd262b5c54198547c0103021456c5395aeabac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83665d437e5d8e59a50aa0e875bf7e1cbdc8c477690b11ae6ad02679438ee22d [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" "83665d437e5d8e59a50aa0e875bf7e1cbdc8c477690b11ae6ad02679438ee22d", kill_on_drop: false }` [INFO] [stderr] Compiling rusty_sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | for x in 0..9 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | for y in 0..9 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/main.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 158 | for row in 0..9 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cell` [INFO] [stdout] --> src/main.rs:159:17 [INFO] [stdout] | [INFO] [stdout] 159 | for cell in 0..9 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cell` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut test_input : Vec> = [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | let mut single_grid_obj = GridUnit{solutions : vec![], is_final : false }; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:79:21 [INFO] [stdout] | [INFO] [stdout] 79 | let mut filler : Vec = (1..=9).collect(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:114:25 [INFO] [stdout] | [INFO] [stdout] 114 | let mut curr_num : u8 = solution_space[x][y].solutions[0]; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:132:25 [INFO] [stdout] | [INFO] [stdout] 132 | let mut box_row : u8 = (x as u8) / 3; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:133:25 [INFO] [stdout] | [INFO] [stdout] 133 | let mut box_col : u8 = (y as u8) / 3; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:134:25 [INFO] [stdout] | [INFO] [stdout] 134 | let mut box_num = (box_row * 3) + box_col; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:138:33 [INFO] [stdout] | [INFO] [stdout] 138 | ... let mut inner_box_row : u8 = (row as u8) / 3; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:139:33 [INFO] [stdout] | [INFO] [stdout] 139 | ... let mut inner_box_col : u8 = (col as u8) / 3; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:140:33 [INFO] [stdout] | [INFO] [stdout] 140 | ... let mut inner_box_num : u8 = (inner_box_row * 3) + inner_box_col; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pretty_print_grid` [INFO] [stdout] --> src/main.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn pretty_print_grid(grid_numbers : &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.73s [INFO] running `Command { std: "docker" "inspect" "83665d437e5d8e59a50aa0e875bf7e1cbdc8c477690b11ae6ad02679438ee22d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83665d437e5d8e59a50aa0e875bf7e1cbdc8c477690b11ae6ad02679438ee22d", kill_on_drop: false }` [INFO] [stdout] 83665d437e5d8e59a50aa0e875bf7e1cbdc8c477690b11ae6ad02679438ee22d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", 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] 6b677354e88d9906f41f04fab2932f9a256a605a8e98287c842b66b21039c73c [INFO] running `Command { std: "docker" "start" "-a" "6b677354e88d9906f41f04fab2932f9a256a605a8e98287c842b66b21039c73c", kill_on_drop: false }` [INFO] [stderr] Compiling rusty_sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | for x in 0..9 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | for y in 0..9 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/main.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 158 | for row in 0..9 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cell` [INFO] [stdout] --> src/main.rs:159:17 [INFO] [stdout] | [INFO] [stdout] 159 | for cell in 0..9 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cell` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut test_input : Vec> = [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | let mut single_grid_obj = GridUnit{solutions : vec![], is_final : false }; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:79:21 [INFO] [stdout] | [INFO] [stdout] 79 | let mut filler : Vec = (1..=9).collect(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:114:25 [INFO] [stdout] | [INFO] [stdout] 114 | let mut curr_num : u8 = solution_space[x][y].solutions[0]; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:132:25 [INFO] [stdout] | [INFO] [stdout] 132 | let mut box_row : u8 = (x as u8) / 3; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:133:25 [INFO] [stdout] | [INFO] [stdout] 133 | let mut box_col : u8 = (y as u8) / 3; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:134:25 [INFO] [stdout] | [INFO] [stdout] 134 | let mut box_num = (box_row * 3) + box_col; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:138:33 [INFO] [stdout] | [INFO] [stdout] 138 | ... let mut inner_box_row : u8 = (row as u8) / 3; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:139:33 [INFO] [stdout] | [INFO] [stdout] 139 | ... let mut inner_box_col : u8 = (col as u8) / 3; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:140:33 [INFO] [stdout] | [INFO] [stdout] 140 | ... let mut inner_box_num : u8 = (inner_box_row * 3) + inner_box_col; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `pretty_print_grid` [INFO] [stdout] --> src/main.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn pretty_print_grid(grid_numbers : &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `Command { std: "docker" "inspect" "6b677354e88d9906f41f04fab2932f9a256a605a8e98287c842b66b21039c73c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b677354e88d9906f41f04fab2932f9a256a605a8e98287c842b66b21039c73c", kill_on_drop: false }` [INFO] [stdout] 6b677354e88d9906f41f04fab2932f9a256a605a8e98287c842b66b21039c73c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 34b6e20a71d2a937376ff53e9343194537500020b44397107ff90da4b787591a [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" "34b6e20a71d2a937376ff53e9343194537500020b44397107ff90da4b787591a", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | for x in 0..9 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | for y in 0..9 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `row` [INFO] [stderr] --> src/main.rs:158:13 [INFO] [stderr] | [INFO] [stderr] 158 | for row in 0..9 { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cell` [INFO] [stderr] --> src/main.rs:159:17 [INFO] [stderr] | [INFO] [stderr] 159 | for cell in 0..9 { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cell` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut test_input : Vec> = [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:66:17 [INFO] [stderr] | [INFO] [stderr] 66 | let mut single_grid_obj = GridUnit{solutions : vec![], is_final : false }; [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:79:21 [INFO] [stderr] | [INFO] [stderr] 79 | let mut filler : Vec = (1..=9).collect(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:114:25 [INFO] [stderr] | [INFO] [stderr] 114 | let mut curr_num : u8 = solution_space[x][y].solutions[0]; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:132:25 [INFO] [stderr] | [INFO] [stderr] 132 | let mut box_row : u8 = (x as u8) / 3; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:133:25 [INFO] [stderr] | [INFO] [stderr] 133 | let mut box_col : u8 = (y as u8) / 3; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:134:25 [INFO] [stderr] | [INFO] [stderr] 134 | let mut box_num = (box_row * 3) + box_col; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:33 [INFO] [stderr] | [INFO] [stderr] 138 | ... let mut inner_box_row : u8 = (row as u8) / 3; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:139:33 [INFO] [stderr] | [INFO] [stderr] 139 | ... let mut inner_box_col : u8 = (col as u8) / 3; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:140:33 [INFO] [stderr] | [INFO] [stderr] 140 | ... let mut inner_box_num : u8 = (inner_box_row * 3) + inner_box_col; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pretty_print_grid` [INFO] [stderr] --> src/main.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn pretty_print_grid(grid_numbers : &[u8]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rusty_sudoku` (bin "rusty_sudoku" test) generated 15 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusty_sudoku-63aec18ec223c6ae) [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" "34b6e20a71d2a937376ff53e9343194537500020b44397107ff90da4b787591a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34b6e20a71d2a937376ff53e9343194537500020b44397107ff90da4b787591a", kill_on_drop: false }` [INFO] [stdout] 34b6e20a71d2a937376ff53e9343194537500020b44397107ff90da4b787591a