[INFO] updating cached repository jfoley/minesweeper [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jfoley/minesweeper [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jfoley/minesweeper" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jfoley/minesweeper"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jfoley/minesweeper'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jfoley/minesweeper" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/jfoley/minesweeper"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/jfoley/minesweeper'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4facf4815518270ff20dd936b80f5f4079896e2b [INFO] sha for GitHub repo jfoley/minesweeper: 4facf4815518270ff20dd936b80f5f4079896e2b [INFO] validating manifest of jfoley/minesweeper on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jfoley/minesweeper on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jfoley/minesweeper [INFO] finished frobbing jfoley/minesweeper [INFO] frobbed toml for jfoley/minesweeper written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jfoley/minesweeper/Cargo.toml [INFO] started frobbing jfoley/minesweeper [INFO] finished frobbing jfoley/minesweeper [INFO] frobbed toml for jfoley/minesweeper written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/jfoley/minesweeper/Cargo.toml [INFO] crate jfoley/minesweeper already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jfoley/minesweeper/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking jfoley/minesweeper against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/jfoley/minesweeper:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 599a50afe65ac0a035bedb887ccfc2426d2a60d289bb07d7b5811d38a77e4266 [INFO] running `"docker" "start" "-a" "599a50afe65ac0a035bedb887ccfc2426d2a60d289bb07d7b5811d38a77e4266"` [INFO] [stderr] Checking minesweeper v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | for i in 0..mine_count { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/board.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | struct Point { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Board` [INFO] [stderr] --> src/board.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub struct Board { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `TOP_LEFT` [INFO] [stderr] --> src/board.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | static TOP_LEFT: &'static str = "┌"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `TOP_RIGHT` [INFO] [stderr] --> src/board.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | static TOP_RIGHT: &'static str = "┐"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `TOP` [INFO] [stderr] --> src/board.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | static TOP: &'static str = "─"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `TOP_MID` [INFO] [stderr] --> src/board.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | static TOP_MID: &'static str = "┬"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `MID` [INFO] [stderr] --> src/board.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | static MID: &'static str = "│"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `BOTTOM` [INFO] [stderr] --> src/board.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | static BOTTOM: &'static str = "─"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `BOTTOM_LEFT` [INFO] [stderr] --> src/board.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | static BOTTOM_LEFT: &'static str = "└"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `BOTTOM_MID` [INFO] [stderr] --> src/board.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | static BOTTOM_MID: &'static str = "┴"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `BOTTOM_RIGHT` [INFO] [stderr] --> src/board.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | static BOTTOM_RIGHT: &'static str = "┘"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/board.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new(size: isize, mine_count: isize) -> Board { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `print` [INFO] [stderr] --> src/board.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn print(&self, s: &mut String) -> () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `size` [INFO] [stderr] --> src/board.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn size(&self) -> & isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `mine_size` [INFO] [stderr] --> src/board.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn mine_size(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `print_header` [INFO] [stderr] --> src/board.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | fn print_header(&self, s: &mut String) -> () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `print_row` [INFO] [stderr] --> src/board.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | fn print_row(&self, s: &mut String, row: isize) -> () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `print_footer` [INFO] [stderr] --> src/board.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | fn print_footer(&self, s: &mut String) -> () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Io` [INFO] [stderr] --> src/ui.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub enum Io { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `RealUi` [INFO] [stderr] --> src/ui.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | pub struct RealUi; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/ui.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn new() -> RealUi { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `MockUi` [INFO] [stderr] --> src/ui.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub struct MockUi { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/ui.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn new() -> MockUi { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `expect` [INFO] [stderr] --> src/ui.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn expect(&mut self, expecation: Io) -> &mut Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/ui.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | io::stdout().write(buf.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/ui.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | io::stdin().read_line(buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | for i in 0..mine_count { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:111:9 [INFO] [stderr] | [INFO] [stderr] 111 | let mut board = Board::new(10, 10); [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/board.rs:119:9 [INFO] [stderr] | [INFO] [stderr] 119 | let mut board = Board::new(1, 1); [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/board.rs:137:9 [INFO] [stderr] | [INFO] [stderr] 137 | let mut board = Board::new(5, 1); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/board.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | x: isize, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/board.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | y: isize [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `RealUi` [INFO] [stderr] --> src/ui.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | pub struct RealUi; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/ui.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn new() -> RealUi { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/ui.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | io::stdout().write(buf.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/ui.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | io::stdin().read_line(buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | for i in 0..mine_count { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/board.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | x: isize, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/board.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | y: isize [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `mines` [INFO] [stderr] --> src/board.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | mines: Vec [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `size` [INFO] [stderr] --> src/board.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn size(&self) -> & isize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `mine_size` [INFO] [stderr] --> src/board.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn mine_size(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Io` [INFO] [stderr] --> src/ui.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub enum Io { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `MockUi` [INFO] [stderr] --> src/ui.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub struct MockUi { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/ui.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn new() -> MockUi { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `expect` [INFO] [stderr] --> src/ui.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn expect(&mut self, expecation: Io) -> &mut Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `menu_expectation` [INFO] [stderr] --> src/main.rs:59:1 [INFO] [stderr] | [INFO] [stderr] 59 | fn menu_expectation(ui: &mut MockUi) -> () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/ui.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | io::stdout().write(buf.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/ui.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | io::stdin().read_line(buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | for i in 0..mine_count { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:84:13 [INFO] [stderr] | [INFO] [stderr] 84 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/board.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | for i in 0..self.size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:111:9 [INFO] [stderr] | [INFO] [stderr] 111 | let mut board = Board::new(10, 10); [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/board.rs:119:9 [INFO] [stderr] | [INFO] [stderr] 119 | let mut board = Board::new(1, 1); [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/board.rs:137:9 [INFO] [stderr] | [INFO] [stderr] 137 | let mut board = Board::new(5, 1); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `x` [INFO] [stderr] --> src/board.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | x: isize, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `y` [INFO] [stderr] --> src/board.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | y: isize [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/ui.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | io::stdout().write(buf.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/ui.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | io::stdin().read_line(buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `"docker" "inspect" "599a50afe65ac0a035bedb887ccfc2426d2a60d289bb07d7b5811d38a77e4266"` [INFO] running `"docker" "rm" "-f" "599a50afe65ac0a035bedb887ccfc2426d2a60d289bb07d7b5811d38a77e4266"` [INFO] [stdout] 599a50afe65ac0a035bedb887ccfc2426d2a60d289bb07d7b5811d38a77e4266