[INFO] cloning repository https://github.com/jfoley/minesweeper [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfoley/minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfoley%2Fminesweeper"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfoley%2Fminesweeper'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4facf4815518270ff20dd936b80f5f4079896e2b [INFO] checking jfoley/minesweeper against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfoley%2Fminesweeper" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jfoley/minesweeper on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jfoley/minesweeper [INFO] finished tweaking git repo https://github.com/jfoley/minesweeper [INFO] tweaked toml for git repo https://github.com/jfoley/minesweeper written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/jfoley/minesweeper already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1b53ff172211749041a9231cd9d49b0565b097cb781735558c534a6a051b7bc5 [INFO] running `"docker" "start" "-a" "1b53ff172211749041a9231cd9d49b0565b097cb781735558c534a6a051b7bc5"` [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking minesweeper v0.0.1 (/opt/rustwide/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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/board.rs:4:8 [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:9:12 [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: variant is never constructed: `Input` [INFO] [stderr] --> src/ui.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Input(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Output` [INFO] [stderr] --> src/ui.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Output(String) [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: 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: 29 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: field is never read: `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 read: `y` [INFO] [stderr] --> src/board.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | y: isize [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: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:20:24 [INFO] [stderr] | [INFO] [stderr] 20 | fn print_menu(ui: &mut Ui) { [INFO] [stderr] | ^^ help: use `dyn`: `dyn Ui` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:27:18 [INFO] [stderr] | [INFO] [stderr] 27 | fn menu(ui: &mut Ui) { [INFO] [stderr] | ^^ help: use `dyn`: `dyn Ui` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:41:24 [INFO] [stderr] | [INFO] [stderr] 41 | fn get_coords(ui: &mut Ui) { [INFO] [stderr] | ^^ help: use `dyn`: `dyn Ui` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:55:26 [INFO] [stderr] | [INFO] [stderr] 55 | menu(&mut ui as &mut Ui); [INFO] [stderr] | ^^ help: use `dyn`: `dyn Ui` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:84:26 [INFO] [stderr] | [INFO] [stderr] 84 | menu(&mut ui as &mut Ui); [INFO] [stderr] | ^^ help: use `dyn`: `dyn Ui` [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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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 read: `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 read: `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] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:20:24 [INFO] [stderr] | [INFO] [stderr] 20 | fn print_menu(ui: &mut Ui) { [INFO] [stderr] | ^^ help: use `dyn`: `dyn Ui` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:27:18 [INFO] [stderr] | [INFO] [stderr] 27 | fn menu(ui: &mut Ui) { [INFO] [stderr] | ^^ help: use `dyn`: `dyn Ui` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:41:24 [INFO] [stderr] | [INFO] [stderr] 41 | fn get_coords(ui: &mut Ui) { [INFO] [stderr] | ^^ help: use `dyn`: `dyn Ui` [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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `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 read: `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 read: `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: variant is never constructed: `Input` [INFO] [stderr] --> src/ui.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Input(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Output` [INFO] [stderr] --> src/ui.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Output(String) [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:59:4 [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: 19 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.35s [INFO] running `"docker" "inspect" "1b53ff172211749041a9231cd9d49b0565b097cb781735558c534a6a051b7bc5"` [INFO] running `"docker" "rm" "-f" "1b53ff172211749041a9231cd9d49b0565b097cb781735558c534a6a051b7bc5"` [INFO] [stdout] 1b53ff172211749041a9231cd9d49b0565b097cb781735558c534a6a051b7bc5