[INFO] cloning repository https://github.com/AQUIN0S/rust-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AQUIN0S/rust-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAQUIN0S%2Frust-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAQUIN0S%2Frust-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a62884f211ee66bce14c6843a2ed3b0a8f84e8e7
[INFO] checking AQUIN0S/rust-sudoku against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAQUIN0S%2Frust-sudoku" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AQUIN0S/rust-sudoku on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AQUIN0S/rust-sudoku
[INFO] finished tweaking git repo https://github.com/AQUIN0S/rust-sudoku
[INFO] tweaked toml for git repo https://github.com/AQUIN0S/rust-sudoku written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] crate git repo https://github.com/AQUIN0S/rust-sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 859c2e9e2a4f3823561433be013dab6d91d4ca41f251e74b1df35a737f31f1c0
[INFO] running `Command { std: "docker" "start" "-a" "859c2e9e2a4f3823561433be013dab6d91d4ca41f251e74b1df35a737f31f1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "859c2e9e2a4f3823561433be013dab6d91d4ca41f251e74b1df35a737f31f1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859c2e9e2a4f3823561433be013dab6d91d4ca41f251e74b1df35a737f31f1c0", kill_on_drop: false }`
[INFO] [stdout] 859c2e9e2a4f3823561433be013dab6d91d4ca41f251e74b1df35a737f31f1c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1037c5ef60f16a5332d74a4b6173ff1c00923d4d45920b0c4525bbf9fb71e3f3
[INFO] running `Command { std: "docker" "start" "-a" "1037c5ef60f16a5332d74a4b6173ff1c00923d4d45920b0c4525bbf9fb71e3f3", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set_fixed_number`
[INFO] [stdout]   --> src/grid/item/mod.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn set_fixed_number(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
[INFO] [stdout] warning: associated function is never used: `toggle_note`
[INFO] [stdout]   --> src/grid/item/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn toggle_note(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_guess`
[INFO] [stdout]   --> src/grid/mod.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn check_guess(guess: &Item, solution: &Item) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toggle_note`
[INFO] [stdout]   --> src/grid/mod.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn toggle_note(&mut self, value: u8, row: usize, col: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toggle_number`
[INFO] [stdout]   --> src/grid/mod.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn toggle_number(&mut self, value: u8, row: usize, col: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_fixed_number`
[INFO] [stdout]   --> src/grid/mod.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn set_fixed_number(&mut self, value: u8, row: usize, col: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SudokuPuzzle`
[INFO] [stdout]  --> src/puzzle.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct SudokuPuzzle {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_fixed_number`
[INFO] [stdout]   --> src/grid/item/mod.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn set_fixed_number(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_guess`
[INFO] [stdout]   --> src/grid/mod.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn check_guess(guess: &Item, solution: &Item) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toggle_note`
[INFO] [stdout]   --> src/grid/mod.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn toggle_note(&mut self, value: u8, row: usize, col: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toggle_number`
[INFO] [stdout]   --> src/grid/mod.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn toggle_number(&mut self, value: u8, row: usize, col: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_fixed_number`
[INFO] [stdout]   --> src/grid/mod.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn set_fixed_number(&mut self, value: u8, row: usize, col: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SudokuPuzzle`
[INFO] [stdout]  --> src/puzzle.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct SudokuPuzzle {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1037c5ef60f16a5332d74a4b6173ff1c00923d4d45920b0c4525bbf9fb71e3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1037c5ef60f16a5332d74a4b6173ff1c00923d4d45920b0c4525bbf9fb71e3f3", kill_on_drop: false }`
[INFO] [stdout] 1037c5ef60f16a5332d74a4b6173ff1c00923d4d45920b0c4525bbf9fb71e3f3