[INFO] updating cached repository patallen/gol-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/patallen/gol-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/patallen/gol-rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/patallen/gol-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/patallen/gol-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/patallen/gol-rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/patallen/gol-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/patallen/gol-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa6fda3459c07ea4127f2131d4df751f79fe1eef
[INFO] sha for GitHub repo patallen/gol-rust: aa6fda3459c07ea4127f2131d4df751f79fe1eef
[INFO] validating manifest of patallen/gol-rust on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of patallen/gol-rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing patallen/gol-rust
[INFO] finished frobbing patallen/gol-rust
[INFO] frobbed toml for patallen/gol-rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/patallen/gol-rust/Cargo.toml
[INFO] started frobbing patallen/gol-rust
[INFO] finished frobbing patallen/gol-rust
[INFO] frobbed toml for patallen/gol-rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/patallen/gol-rust/Cargo.toml
[INFO] crate patallen/gol-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking patallen/gol-rust against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/patallen/gol-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8ad53e2f6a2712cbea982c19e0bfc51d3615c8ee87773a053e458ade14587cee
[INFO] running `"docker" "start" "-a" "8ad53e2f6a2712cbea982c19e0bfc51d3615c8ee87773a053e458ade14587cee"`
[INFO] [stderr]     Checking sdl2-sys v0.30.0
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stderr]     Checking game_of_life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/engine/scene.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type BoxedScene = Box<Scene + 'static>;
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scene + 'static`
[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/engine/scene.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn top(&mut self) -> Option<&mut Box<Scene>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Scene`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::render::WindowCanvas`
[INFO] [stderr]  --> src/scenes.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sdl2::render::WindowCanvas;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/engine/scene.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub type BoxedScene = Box<Scene + 'static>;
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scene + 'static`
[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/engine/scene.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn top(&mut self) -> Option<&mut Box<Scene>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Scene`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::render::WindowCanvas`
[INFO] [stderr]  --> src/scenes.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sdl2::render::WindowCanvas;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/game.rs:120:60
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 &Event::MouseButtonDown{mouse_btn: button, x, y, ..} => match &self.mode {
[INFO] [stderr]     |                                                            ^ help: try ignoring the field: `x: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/game.rs:120:63
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 &Event::MouseButtonDown{mouse_btn: button, x, y, ..} => match &self.mode {
[INFO] [stderr]     |                                                               ^ help: try ignoring the field: `y: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/game.rs:130:58
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 &Event::MouseButtonUp{mouse_btn: button, x, y, ..} => match &self.mode {
[INFO] [stderr]     |                                                          ^ help: try ignoring the field: `x: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/game.rs:130:61
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 &Event::MouseButtonUp{mouse_btn: button, x, y, ..} => match &self.mode {
[INFO] [stderr]     |                                                             ^ help: try ignoring the field: `y: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/board.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let mut cell = &mut self.cells[ridx][cidx];
[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: type alias is never used: `em_callback_func`
[INFO] [stderr]  --> src/emscripten.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | type em_callback_func = unsafe extern fn();
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `emscripten_set_main_loop`
[INFO] [stderr]   --> src/emscripten.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     fn emscripten_set_main_loop(func: em_callback_func,
[INFO] [stderr] 9  | |                                 fps: c_int,
[INFO] [stderr] 10 | |                                 simulate_infinite_loop: c_int);
[INFO] [stderr]    | |_______________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_main_loop_callback`
[INFO] [stderr]   --> src/emscripten.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn set_main_loop_callback<F>(callback: F) where F: FnMut() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wrapper`
[INFO] [stderr]   --> src/emscripten.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | unsafe extern "C" fn wrapper<F>() where F : FnMut() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]   --> src/engine/scene.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn push(&mut self, state: BoxedScene) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PauseScene`
[INFO] [stderr]   --> src/scenes.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct PauseScene {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StartScene`
[INFO] [stderr]   --> src/scenes.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub struct StartScene {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/scenes.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         renderer.copy(&pausedt, None, Some(main_text.rect_centered(&top)));
[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/scenes.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         renderer.copy(&subt, None, Some(sub_text.rect_centered(&bottom)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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/scenes.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         renderer.copy(&pausedt, None, Some(main_text.rect_centered(&main)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/scenes.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         renderer.copy(&ss1, None, Some(sub1.rect_centered(&s1)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/scenes.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         renderer.copy(&ss2, None, Some(sub2.rect_centered(&s2)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/scenes.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         renderer.copy(&ss3, None, Some(sub3.rect_centered(&s3)));
[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: `x`
[INFO] [stderr]    --> src/game.rs:120:60
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 &Event::MouseButtonDown{mouse_btn: button, x, y, ..} => match &self.mode {
[INFO] [stderr]     |                                                            ^ help: try ignoring the field: `x: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/game.rs:120:63
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 &Event::MouseButtonDown{mouse_btn: button, x, y, ..} => match &self.mode {
[INFO] [stderr]     |                                                               ^ help: try ignoring the field: `y: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/game.rs:130:58
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 &Event::MouseButtonUp{mouse_btn: button, x, y, ..} => match &self.mode {
[INFO] [stderr]     |                                                          ^ help: try ignoring the field: `x: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/game.rs:130:61
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 &Event::MouseButtonUp{mouse_btn: button, x, y, ..} => match &self.mode {
[INFO] [stderr]     |                                                             ^ help: try ignoring the field: `y: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/board.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let mut cell = &mut self.cells[ridx][cidx];
[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: type alias is never used: `em_callback_func`
[INFO] [stderr]  --> src/emscripten.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | type em_callback_func = unsafe extern fn();
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `emscripten_set_main_loop`
[INFO] [stderr]   --> src/emscripten.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     fn emscripten_set_main_loop(func: em_callback_func,
[INFO] [stderr] 9  | |                                 fps: c_int,
[INFO] [stderr] 10 | |                                 simulate_infinite_loop: c_int);
[INFO] [stderr]    | |_______________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_main_loop_callback`
[INFO] [stderr]   --> src/emscripten.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn set_main_loop_callback<F>(callback: F) where F: FnMut() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `wrapper`
[INFO] [stderr]   --> src/emscripten.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | unsafe extern "C" fn wrapper<F>() where F : FnMut() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]   --> src/engine/scene.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn push(&mut self, state: BoxedScene) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PauseScene`
[INFO] [stderr]   --> src/scenes.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct PauseScene {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StartScene`
[INFO] [stderr]   --> src/scenes.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub struct StartScene {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/scenes.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         renderer.copy(&pausedt, None, Some(main_text.rect_centered(&top)));
[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/scenes.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         renderer.copy(&subt, None, Some(sub_text.rect_centered(&bottom)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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/scenes.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         renderer.copy(&pausedt, None, Some(main_text.rect_centered(&main)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/scenes.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         renderer.copy(&ss1, None, Some(sub1.rect_centered(&s1)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/scenes.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         renderer.copy(&ss2, None, Some(sub2.rect_centered(&s2)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/scenes.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         renderer.copy(&ss3, None, Some(sub3.rect_centered(&s3)));
[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 5.24s
[INFO] running `"docker" "inspect" "8ad53e2f6a2712cbea982c19e0bfc51d3615c8ee87773a053e458ade14587cee"`
[INFO] running `"docker" "rm" "-f" "8ad53e2f6a2712cbea982c19e0bfc51d3615c8ee87773a053e458ade14587cee"`
[INFO] [stdout] 8ad53e2f6a2712cbea982c19e0bfc51d3615c8ee87773a053e458ade14587cee