[INFO] cloning repository https://github.com/cjvk/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/cjvk/sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjvk%2Fsudoku_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjvk%2Fsudoku_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 24d14f155d88d4b8cb62de9ef07224016915150e [INFO] checking cjvk/sudoku_solver against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjvk%2Fsudoku_solver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cjvk/sudoku_solver [INFO] finished tweaking git repo https://github.com/cjvk/sudoku_solver [INFO] tweaked toml for git repo https://github.com/cjvk/sudoku_solver written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cjvk/sudoku_solver on toolchain ba7e63b63871a429533c189adbfb1d9a6337e000 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cjvk/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" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e291f89f15b6872c4fd86fc07595af5543561a2e6968387dccea90354e83a5bf [INFO] running `Command { std: "docker" "start" "-a" "e291f89f15b6872c4fd86fc07595af5543561a2e6968387dccea90354e83a5bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e291f89f15b6872c4fd86fc07595af5543561a2e6968387dccea90354e83a5bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e291f89f15b6872c4fd86fc07595af5543561a2e6968387dccea90354e83a5bf", kill_on_drop: false }` [INFO] [stdout] e291f89f15b6872c4fd86fc07595af5543561a2e6968387dccea90354e83a5bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0720c4ac7d07044bfadd4b08e643f1338e74aa05060dccaca84dc3f8f248fe4f [INFO] running `Command { std: "docker" "start" "-a" "0720c4ac7d07044bfadd4b08e643f1338e74aa05060dccaca84dc3f8f248fe4f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking sudoku_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/solver.rs:289:17 [INFO] [stdout] | [INFO] [stdout] 289 | 'inner: while !self.queue_item_list.is_empty() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/constraint.rs:596:18 [INFO] [stdout] | [INFO] [stdout] 596 | 1 => (1..4), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 596 - 1 => (1..4), [INFO] [stdout] 596 + 1 => 1..4, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/constraint.rs:597:18 [INFO] [stdout] | [INFO] [stdout] 597 | 2 => (4..7), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 597 - 2 => (4..7), [INFO] [stdout] 597 + 2 => 4..7, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/constraint.rs:598:18 [INFO] [stdout] | [INFO] [stdout] 598 | 3 => (7..10), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 598 - 3 => (7..10), [INFO] [stdout] 598 + 3 => 7..10, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/solver.rs:289:17 [INFO] [stdout] | [INFO] [stdout] 289 | 'inner: while !self.queue_item_list.is_empty() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/constraint.rs:596:18 [INFO] [stdout] | [INFO] [stdout] 596 | 1 => (1..4), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 596 - 1 => (1..4), [INFO] [stdout] 596 + 1 => 1..4, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/constraint.rs:597:18 [INFO] [stdout] | [INFO] [stdout] 597 | 2 => (4..7), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 597 - 2 => (4..7), [INFO] [stdout] 597 + 2 => 4..7, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/constraint.rs:598:18 [INFO] [stdout] | [INFO] [stdout] 598 | 3 => (7..10), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 598 - 3 => (7..10), [INFO] [stdout] 598 + 3 => 7..10, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:687:18 [INFO] [stdout] | [INFO] [stdout] 687 | for i in (0..10) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 687 - for i in (0..10) { [INFO] [stdout] 687 + for i in 0..10 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:697:26 [INFO] [stdout] | [INFO] [stdout] 697 | 'outer: for i in (0..10) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 697 - 'outer: for i in (0..10) { [INFO] [stdout] 697 + 'outer: for i in 0..10 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:698:30 [INFO] [stdout] | [INFO] [stdout] 698 | 'inner: for j in (0..10) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 698 - 'inner: for j in (0..10) { [INFO] [stdout] 698 + 'inner: for j in 0..10 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/constraint.rs:698:13 [INFO] [stdout] | [INFO] [stdout] 698 | 'inner: for j in (0..10) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:977:26 [INFO] [stdout] | [INFO] [stdout] 977 | for i in (0..9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 977 - for i in (0..9) { [INFO] [stdout] 977 + for i in 0..9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:998:26 [INFO] [stdout] | [INFO] [stdout] 998 | for i in (0..9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 998 - for i in (0..9) { [INFO] [stdout] 998 + for i in 0..9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:1019:26 [INFO] [stdout] | [INFO] [stdout] 1019 | for i in (0..9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1019 - for i in (0..9) { [INFO] [stdout] 1019 + for i in 0..9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:1040:26 [INFO] [stdout] | [INFO] [stdout] 1040 | for i in (0..9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1040 - for i in (0..9) { [INFO] [stdout] 1040 + for i in 0..9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:1061:26 [INFO] [stdout] | [INFO] [stdout] 1061 | for i in (0..9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1061 - for i in (0..9) { [INFO] [stdout] 1061 + for i in 0..9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:1082:26 [INFO] [stdout] | [INFO] [stdout] 1082 | for i in (0..9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1082 - for i in (0..9) { [INFO] [stdout] 1082 + for i in 0..9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:1103:26 [INFO] [stdout] | [INFO] [stdout] 1103 | for i in (0..9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1103 - for i in (0..9) { [INFO] [stdout] 1103 + for i in 0..9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:1124:26 [INFO] [stdout] | [INFO] [stdout] 1124 | for i in (0..9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1124 - for i in (0..9) { [INFO] [stdout] 1124 + for i in 0..9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/constraint.rs:1145:26 [INFO] [stdout] | [INFO] [stdout] 1145 | for i in (0..9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1145 - for i in (0..9) { [INFO] [stdout] 1145 + for i in 0..9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `eliminate_list` is never used [INFO] [stdout] --> src/squares.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Square { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 12 | fn eliminate_list(&mut self, arg: &Vec) -> (); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/sample_puzzles.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Puzzle { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 4 | pub id: String, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `remaining` [INFO] [stdout] --> src/squares.rs:341:17 [INFO] [stdout] | [INFO] [stdout] 341 | let remaining = s.values_remaining(); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remaining` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/solver.rs:499:17 [INFO] [stdout] | [INFO] [stdout] 499 | let mut s = Solver::new(get_sample_puzzle(), get_ordering()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solver.rs:499:13 [INFO] [stdout] | [INFO] [stdout] 499 | let mut s = Solver::new(get_sample_puzzle(), get_ordering()); [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: unused variable: `puzzle` [INFO] [stdout] --> src/sudoku_puzzle.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let puzzle = SudokuPuzzle::new(empty_puzzle()); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_puzzle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/constraint.rs:696:17 [INFO] [stdout] | [INFO] [stdout] 696 | let mut b = false; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/constraint.rs:696:13 [INFO] [stdout] | [INFO] [stdout] 696 | let mut b = false; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constraint1` [INFO] [stdout] --> src/constraint.rs:764:17 [INFO] [stdout] | [INFO] [stdout] 764 | let mut constraint1 = ProcessOfElimination:: new(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constraint1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/constraint.rs:764:13 [INFO] [stdout] | [INFO] [stdout] 764 | let mut constraint1 = ProcessOfElimination:: new(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constraint` [INFO] [stdout] --> src/constraint.rs:822:17 [INFO] [stdout] | [INFO] [stdout] 822 | let mut constraint = NoBoxDuplicates::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constraint` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/constraint.rs:822:13 [INFO] [stdout] | [INFO] [stdout] 822 | let mut constraint = NoBoxDuplicates::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constraint` [INFO] [stdout] --> src/constraint.rs:931:17 [INFO] [stdout] | [INFO] [stdout] 931 | let mut constraint = NoBoxDuplicates::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constraint` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/constraint.rs:931:13 [INFO] [stdout] | [INFO] [stdout] 931 | let mut constraint = NoBoxDuplicates::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constraint` [INFO] [stdout] --> src/constraint.rs:1200:17 [INFO] [stdout] | [INFO] [stdout] 1200 | let mut constraint = NoColumnDuplicates::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constraint` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/constraint.rs:1200:13 [INFO] [stdout] | [INFO] [stdout] 1200 | let mut constraint = NoColumnDuplicates::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constraint` [INFO] [stdout] --> src/constraint.rs:1274:17 [INFO] [stdout] | [INFO] [stdout] 1274 | let mut constraint = NoRowDuplicates::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constraint` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/constraint.rs:1274:13 [INFO] [stdout] | [INFO] [stdout] 1274 | let mut constraint = NoRowDuplicates::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constraint` [INFO] [stdout] --> src/constraint.rs:1334:17 [INFO] [stdout] | [INFO] [stdout] 1334 | let mut constraint = NoRowDuplicates::new(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constraint` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/constraint.rs:1334:13 [INFO] [stdout] | [INFO] [stdout] 1334 | let mut constraint = NoRowDuplicates::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `foo1` [INFO] [stdout] --> src/test.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let foo1 = Foo { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_foo1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `foo2` [INFO] [stdout] --> src/test.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let foo2 = Foo { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_foo2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/test.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | let mut x = 5; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/test.rs:170:25 [INFO] [stdout] | [INFO] [stdout] 170 | fn do_stuff(s: String) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/test.rs:178:29 [INFO] [stdout] | [INFO] [stdout] 178 | fn do_stuff_ref(s: &String) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/test.rs:193:27 [INFO] [stdout] | [INFO] [stdout] 193 | fn do_stuff_x(x: Foo) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `foo5` [INFO] [stdout] --> src/test.rs:258:13 [INFO] [stdout] | [INFO] [stdout] 258 | let foo5 = InnerStringMutRef2{foo: &mut s5a, bar: &mut s5b}; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_foo5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_no_box_duplicates` is never used [INFO] [stdout] --> src/constraint.rs:909:8 [INFO] [stdout] | [INFO] [stdout] 909 | fn test_no_box_duplicates() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `foo` is never read [INFO] [stdout] --> src/test.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | struct InnerString { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 5 | foo: String, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `foo` and `bar` are never read [INFO] [stdout] --> src/test.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 8 | struct InnerStringRef<'a> { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 9 | foo: &'a String, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | bar: &'a String, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `foo` and `bar` are never read [INFO] [stdout] --> src/test.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | struct InnerStringMutRef<'a> { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 14 | foo: &'a mut String, [INFO] [stdout] | ^^^ [INFO] [stdout] 15 | bar: &'a mut String, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `foo` and `bar` are never read [INFO] [stdout] --> src/test.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 18 | struct InnerStringMutRef2<'a> { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] 19 | foo: &'a mut String, [INFO] [stdout] | ^^^ [INFO] [stdout] 20 | bar: &'a mut String, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/test.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 34 | struct Bar { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 35 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `bar` are never read [INFO] [stdout] --> src/test.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 38 | struct Foo { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 39 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 40 | bar: Bar, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_name`, `set_name`, `get_bar`, and `set_bar` are never used [INFO] [stdout] --> src/test.rs:45:16 [INFO] [stdout] | [INFO] [stdout] 43 | impl Foo { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] 44 | // '&' comes after '.' according to rust operator precedence [INFO] [stdout] 45 | fn get_name(&self) -> &String { &self.name } [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 46 | fn set_name(&mut self, name: String) -> () { self.name = name } [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 47 | fn get_bar(&self) -> &Bar { &self.bar } [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 48 | fn set_bar(&mut self, bar: Bar) -> () { self.bar = bar } [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/sample_puzzles.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Puzzle { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 4 | pub id: String, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:775:17 [INFO] [stdout] | [INFO] [stdout] 775 | constraint1.process(&QueueItem{row:*i, column:*j}, &mut puzzle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 775 | let _ = constraint1.process(&QueueItem{row:*i, column:*j}, &mut puzzle); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:776:17 [INFO] [stdout] | [INFO] [stdout] 776 | constraint2.process(&QueueItem{row:*i, column:*j}, &mut puzzle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 776 | let _ = constraint2.process(&QueueItem{row:*i, column:*j}, &mut puzzle); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:777:17 [INFO] [stdout] | [INFO] [stdout] 777 | constraint3.process(&QueueItem{row:*i, column:*j}, &mut puzzle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 777 | let _ = constraint3.process(&QueueItem{row:*i, column:*j}, &mut puzzle); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:839:17 [INFO] [stdout] | [INFO] [stdout] 839 | constraint.process(&QueueItem{row:i, column:j}, &mut puzzle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 839 | let _ = constraint.process(&QueueItem{row:i, column:j}, &mut puzzle); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:861:21 [INFO] [stdout] | [INFO] [stdout] 861 | constraint.process(&QueueItem{row:i, column:j}, puzzle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 861 | let _ = constraint.process(&QueueItem{row:i, column:j}, puzzle); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:944:17 [INFO] [stdout] | [INFO] [stdout] 944 | constraint.process(&QueueItem{row:i, column:j}, &mut puzzle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 944 | let _ = constraint.process(&QueueItem{row:i, column:j}, &mut puzzle); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:1210:29 [INFO] [stdout] | [INFO] [stdout] 1210 | .for_each(|r| { constraint.process(&QueueItem{row:r, column:1}, &mut puzzle); }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1210 | .for_each(|r| { let _ = constraint.process(&QueueItem{row:r, column:1}, &mut puzzle); }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:1220:37 [INFO] [stdout] | [INFO] [stdout] 1220 | .for_each(|r| { constraint.process(&QueueItem{row:r, column:column}, &mut puzzle); }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1220 | .for_each(|r| { let _ = constraint.process(&QueueItem{row:r, column:column}, &mut puzzle); }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:1284:29 [INFO] [stdout] | [INFO] [stdout] 1284 | .for_each(|c| { constraint.process(&QueueItem{row:1, column:c}, &mut puzzle); }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1284 | .for_each(|c| { let _ = constraint.process(&QueueItem{row:1, column:c}, &mut puzzle); }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:1294:37 [INFO] [stdout] | [INFO] [stdout] 1294 | .for_each(|c| { constraint.process(&QueueItem{row:row, column:c}, &mut puzzle); }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1294 | .for_each(|c| { let _ = constraint.process(&QueueItem{row:row, column:c}, &mut puzzle); }); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/constraint.rs:1337:9 [INFO] [stdout] | [INFO] [stdout] 1337 | constraint.process(&QueueItem{row:1, column: 1}, &mut puzzle); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1337 | let _ = constraint.process(&QueueItem{row:1, column: 1}, &mut puzzle); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "0720c4ac7d07044bfadd4b08e643f1338e74aa05060dccaca84dc3f8f248fe4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0720c4ac7d07044bfadd4b08e643f1338e74aa05060dccaca84dc3f8f248fe4f", kill_on_drop: false }` [INFO] [stdout] 0720c4ac7d07044bfadd4b08e643f1338e74aa05060dccaca84dc3f8f248fe4f