[INFO] crate shiny-pancake 1.0.0 is already in cache
[INFO] extracting crate shiny-pancake 1.0.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/shiny-pancake/1.0.0
[INFO] extracting crate shiny-pancake 1.0.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/shiny-pancake/1.0.0
[INFO] validating manifest of shiny-pancake-1.0.0 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 shiny-pancake-1.0.0 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 shiny-pancake-1.0.0
[INFO] finished frobbing shiny-pancake-1.0.0
[INFO] frobbed toml for shiny-pancake-1.0.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/shiny-pancake/1.0.0/Cargo.toml
[INFO] started frobbing shiny-pancake-1.0.0
[INFO] finished frobbing shiny-pancake-1.0.0
[INFO] frobbed toml for shiny-pancake-1.0.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/shiny-pancake/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking shiny-pancake-1.0.0 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/shiny-pancake/1.0.0:/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] f8c6cee58edfeffbeb10aa0fcae36a324e2d21a3d4bea7f29b61ef7e8699b86c
[INFO] running `"docker" "start" "-a" "f8c6cee58edfeffbeb10aa0fcae36a324e2d21a3d4bea7f29b61ef7e8699b86c"`
[INFO] [stderr]     Checking piston-gfx_texture v0.18.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.33.2
[INFO] [stderr]     Checking piston_window v0.58.0
[INFO] [stderr]     Checking shiny-pancake v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/command.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn exec(&self) -> Box<Executor>;
[INFO] [stderr]   |                           ^^^^^^^^ help: use `dyn`: `dyn Executor`
[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/context.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 |     commands: HashMap<String, Box<Command>>
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn register_command(&mut self, cmd: Box<Command>) {
[INFO] [stderr]    |                                                 ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     register_command!(ctx, "#FRAME_START", cmd_frame_start());
[INFO] [stderr]    |     ---------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     register_command!(ctx, "#STROKE_COLOR", cmd_stroke_color(u8, u8, u8, u8));
[INFO] [stderr]    |     -------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     register_command!(ctx, "#FILL_COLOR", cmd_fill_color(u8, u8, u8, u8));
[INFO] [stderr]    |     ---------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     register_command!(ctx, "#STROKE_WIDTH", cmd_stroke_width(f64));
[INFO] [stderr]    |     --------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     register_command!(ctx, "#NOFILL", cmd_nofill());
[INFO] [stderr]    |     ------------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     register_command!(ctx, "#NOSTROKE", cmd_nostroke());
[INFO] [stderr]    |     ---------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     register_command!(ctx, "#CIRCLE", cmd_circle(f64, f64, f64));
[INFO] [stderr]    |     ------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     register_command!(ctx, "#ELLIPSE", cmd_ellipse(f64, f64, f64, f64));
[INFO] [stderr]    |     -------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     register_command!(ctx, "#RECT", cmd_rect(f64, f64, f64, f64));
[INFO] [stderr]    |     -------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     register_command!(ctx, "#LINE", cmd_line(f64, f64, f64, f64));
[INFO] [stderr]    |     -------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     register_command!(ctx, "#ARROW", cmd_arrow(f64, f64, f64, f64));
[INFO] [stderr]    |     ---------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:141:20
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let input: Box<BufRead> = if let Some(path) = file {
[INFO] [stderr]     |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/command.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn exec(&self) -> Box<Executor>;
[INFO] [stderr]   |                           ^^^^^^^^ help: use `dyn`: `dyn Executor`
[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/context.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 |     commands: HashMap<String, Box<Command>>
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn register_command(&mut self, cmd: Box<Command>) {
[INFO] [stderr]    |                                                 ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     register_command!(ctx, "#FRAME_START", cmd_frame_start());
[INFO] [stderr]    |     ---------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     register_command!(ctx, "#STROKE_COLOR", cmd_stroke_color(u8, u8, u8, u8));
[INFO] [stderr]    |     -------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     register_command!(ctx, "#FILL_COLOR", cmd_fill_color(u8, u8, u8, u8));
[INFO] [stderr]    |     ---------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     register_command!(ctx, "#STROKE_WIDTH", cmd_stroke_width(f64));
[INFO] [stderr]    |     --------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     register_command!(ctx, "#NOFILL", cmd_nofill());
[INFO] [stderr]    |     ------------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     register_command!(ctx, "#NOSTROKE", cmd_nostroke());
[INFO] [stderr]    |     ---------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     register_command!(ctx, "#CIRCLE", cmd_circle(f64, f64, f64));
[INFO] [stderr]    |     ------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     register_command!(ctx, "#ELLIPSE", cmd_ellipse(f64, f64, f64, f64));
[INFO] [stderr]    |     -------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     register_command!(ctx, "#RECT", cmd_rect(f64, f64, f64, f64));
[INFO] [stderr]    |     -------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     register_command!(ctx, "#LINE", cmd_line(f64, f64, f64, f64));
[INFO] [stderr]    |     -------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |             fn exec(&self) -> Box<Executor> {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Executor`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/main.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     register_command!(ctx, "#ARROW", cmd_arrow(f64, f64, f64, f64));
[INFO] [stderr]    |     ---------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:141:20
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let input: Box<BufRead> = if let Some(path) = file {
[INFO] [stderr]     |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `zero`
[INFO] [stderr]  --> src/vec2.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn zero() -> Vec2 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_frame_mut`
[INFO] [stderr]   --> src/render_state.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn current_frame_mut(&mut self) -> &mut Frame {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `last_frame`
[INFO] [stderr]   --> src/render_state.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn last_frame(&self) -> &Frame {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `zero`
[INFO] [stderr]  --> src/vec2.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn zero() -> Vec2 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `current_frame_mut`
[INFO] [stderr]   --> src/render_state.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn current_frame_mut(&mut self) -> &mut Frame {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `last_frame`
[INFO] [stderr]   --> src/render_state.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn last_frame(&self) -> &Frame {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `"docker" "inspect" "f8c6cee58edfeffbeb10aa0fcae36a324e2d21a3d4bea7f29b61ef7e8699b86c"`
[INFO] running `"docker" "rm" "-f" "f8c6cee58edfeffbeb10aa0fcae36a324e2d21a3d4bea7f29b61ef7e8699b86c"`
[INFO] [stdout] f8c6cee58edfeffbeb10aa0fcae36a324e2d21a3d4bea7f29b61ef7e8699b86c