[INFO] updating cached repository https://github.com/canufeel/maze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9ddff80d724235f24234f7182c6297b8f1995f7
[INFO] testing canufeel/maze against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanufeel%2Fmaze" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/canufeel/maze on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/canufeel/maze
[INFO] finished tweaking git repo https://github.com/canufeel/maze
[INFO] tweaked toml for git repo https://github.com/canufeel/maze written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/canufeel/maze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ff34e36bd1b089b13822e9177d4ab770d8008b56239ba66309a0cf4c353df3d
[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" "1ff34e36bd1b089b13822e9177d4ab770d8008b56239ba66309a0cf4c353df3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff34e36bd1b089b13822e9177d4ab770d8008b56239ba66309a0cf4c353df3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff34e36bd1b089b13822e9177d4ab770d8008b56239ba66309a0cf4c353df3d", kill_on_drop: false }`
[INFO] [stdout] 1ff34e36bd1b089b13822e9177d4ab770d8008b56239ba66309a0cf4c353df3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1614f4e8b16ca7ef2217499f2319fb5e6e3deae8960a2d9ec18528576c695a9
[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" "b1614f4e8b16ca7ef2217499f2319fb5e6e3deae8960a2d9ec18528576c695a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.60
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen v0.2.60
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.60
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.60
[INFO] [stderr]    Compiling js-sys v0.3.37
[INFO] [stderr]    Compiling web-sys v0.3.37
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> rs/disjoint_set.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |       Some(x) => false,
[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: `key_code`
[INFO] [stdout]    --> rs/boundary.rs:204:11
[INFO] [stdout]     |
[INFO] [stdout] 204 |       let key_code = event.key_code();
[INFO] [stdout]     |           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug`
[INFO] [stdout]   --> rs/disjoint_set.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn debug(&self) -> vec::Vec<isize> {
[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: `debug`
[INFO] [stdout]    --> rs/maze.rs:119:10
[INFO] [stdout]     |
[INFO] [stdout] 119 |   pub fn debug(&self) -> Vec<isize> {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.77s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1614f4e8b16ca7ef2217499f2319fb5e6e3deae8960a2d9ec18528576c695a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1614f4e8b16ca7ef2217499f2319fb5e6e3deae8960a2d9ec18528576c695a9", kill_on_drop: false }`
[INFO] [stdout] b1614f4e8b16ca7ef2217499f2319fb5e6e3deae8960a2d9ec18528576c695a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 714742138e269341148b07db103af1deb82b1cb67fc41f3c0e5eb650931da505
[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" "714742138e269341148b07db103af1deb82b1cb67fc41f3c0e5eb650931da505", kill_on_drop: false }`
[INFO] [stderr]    Compiling maze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> rs/disjoint_set.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |       Some(x) => false,
[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: `maze`
[INFO] [stdout]    --> rs/maze.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let maze = Maze::new(
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_maze`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draw_api`
[INFO] [stdout]    --> rs/screen_buffer.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let draw_api = |_: usize, _: usize, _: Color| {};
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw_api`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draw_apply`
[INFO] [stdout]    --> rs/screen_buffer.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let draw_apply = || {};
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw_apply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> rs/screen_buffer.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let buf = ScreenBuffer::new(
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draw_api`
[INFO] [stdout]    --> rs/screen_buffer.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let draw_api = |_: usize, _: usize, _: Color| {};
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw_api`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draw_apply`
[INFO] [stdout]    --> rs/screen_buffer.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let draw_apply = || {};
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw_apply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draw_apply`
[INFO] [stdout]    --> rs/screen_buffer.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let draw_apply = || {};
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw_apply`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> rs/screen_buffer.rs:183:28
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn draw_api(&mut self, x: usize, y: usize, color: Color) {}
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> rs/screen_buffer.rs:183:38
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn draw_api(&mut self, x: usize, y: usize, color: Color) {}
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> rs/screen_buffer.rs:183:48
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn draw_api(&mut self, x: usize, y: usize, color: Color) {}
[INFO] [stdout]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> rs/screen_buffer.rs:186:7
[INFO] [stdout]     |
[INFO] [stdout] 186 |       size: usize,
[INFO] [stdout]     |       ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> rs/screen_buffer.rs:187:7
[INFO] [stdout]     |
[INFO] [stdout] 187 |       x: usize,
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> rs/screen_buffer.rs:188:7
[INFO] [stdout]     |
[INFO] [stdout] 188 |       y: usize,
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> rs/screen_buffer.rs:189:7
[INFO] [stdout]     |
[INFO] [stdout] 189 |       color: Color
[INFO] [stdout]     |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_code`
[INFO] [stdout]    --> rs/boundary.rs:204:11
[INFO] [stdout]     |
[INFO] [stdout] 204 |       let key_code = event.key_code();
[INFO] [stdout]     |           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug`
[INFO] [stdout]   --> rs/disjoint_set.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn debug(&self) -> vec::Vec<isize> {
[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: `debug`
[INFO] [stdout]    --> rs/maze.rs:119:10
[INFO] [stdout]     |
[INFO] [stdout] 119 |   pub fn debug(&self) -> Vec<isize> {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "714742138e269341148b07db103af1deb82b1cb67fc41f3c0e5eb650931da505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714742138e269341148b07db103af1deb82b1cb67fc41f3c0e5eb650931da505", kill_on_drop: false }`
[INFO] [stdout] 714742138e269341148b07db103af1deb82b1cb67fc41f3c0e5eb650931da505
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", 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] 11e49aeadfcc960d0a74a838cbbe39cb263caaf31ccf040580c108e00c3b49ef
[INFO] running `Command { std: "docker" "start" "-a" "11e49aeadfcc960d0a74a838cbbe39cb263caaf31ccf040580c108e00c3b49ef", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> rs/disjoint_set.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |       Some(x) => false,
[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: `maze`
[INFO] [stderr]    --> rs/maze.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let maze = Maze::new(
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_maze`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draw_api`
[INFO] [stderr]    --> rs/screen_buffer.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |     let draw_api = |_: usize, _: usize, _: Color| {};
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw_api`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draw_apply`
[INFO] [stderr]    --> rs/screen_buffer.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |     let draw_apply = || {};
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw_apply`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> rs/screen_buffer.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 |     let buf = ScreenBuffer::new(
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draw_api`
[INFO] [stderr]    --> rs/screen_buffer.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |     let draw_api = |_: usize, _: usize, _: Color| {};
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw_api`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draw_apply`
[INFO] [stderr]    --> rs/screen_buffer.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |     let draw_apply = || {};
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw_apply`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draw_apply`
[INFO] [stderr]    --> rs/screen_buffer.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |     let draw_apply = || {};
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_draw_apply`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> rs/screen_buffer.rs:183:28
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn draw_api(&mut self, x: usize, y: usize, color: Color) {}
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> rs/screen_buffer.rs:183:38
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn draw_api(&mut self, x: usize, y: usize, color: Color) {}
[INFO] [stderr]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> rs/screen_buffer.rs:183:48
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn draw_api(&mut self, x: usize, y: usize, color: Color) {}
[INFO] [stderr]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]    --> rs/screen_buffer.rs:186:7
[INFO] [stderr]     |
[INFO] [stderr] 186 |       size: usize,
[INFO] [stderr]     |       ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> rs/screen_buffer.rs:187:7
[INFO] [stderr]     |
[INFO] [stderr] 187 |       x: usize,
[INFO] [stderr]     |       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> rs/screen_buffer.rs:188:7
[INFO] [stderr]     |
[INFO] [stderr] 188 |       y: usize,
[INFO] [stderr]     |       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> rs/screen_buffer.rs:189:7
[INFO] [stderr]     |
[INFO] [stderr] 189 |       color: Color
[INFO] [stderr]     |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_code`
[INFO] [stderr]    --> rs/boundary.rs:204:11
[INFO] [stderr]     |
[INFO] [stderr] 204 |       let key_code = event.key_code();
[INFO] [stderr]     |           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_code`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `debug`
[INFO] [stderr]   --> rs/disjoint_set.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub fn debug(&self) -> vec::Vec<isize> {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `debug`
[INFO] [stderr]    --> rs/maze.rs:119:10
[INFO] [stderr]     |
[INFO] [stderr] 119 |   pub fn debug(&self) -> Vec<isize> {
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/maze-91627aff8f1f9bce
[INFO] [stdout] running 3 tests
[INFO] [stdout] test screen_buffer::tests::can_construct_screen_buffer ... ok
[INFO] [stdout] test screen_buffer::tests::can_fill_buffer ... ok
[INFO] [stdout] test maze::tests::can_construct_maze ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "11e49aeadfcc960d0a74a838cbbe39cb263caaf31ccf040580c108e00c3b49ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e49aeadfcc960d0a74a838cbbe39cb263caaf31ccf040580c108e00c3b49ef", kill_on_drop: false }`
[INFO] [stdout] 11e49aeadfcc960d0a74a838cbbe39cb263caaf31ccf040580c108e00c3b49ef