[INFO] updating cached repository https://github.com/vickenty/roids
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e986152e25ccabfda51e5eef45fee2efef0acbe
[INFO] checking vickenty/roids against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvickenty%2Froids" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vickenty/roids on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vickenty/roids
[INFO] finished tweaking git repo https://github.com/vickenty/roids
[INFO] tweaked toml for git repo https://github.com/vickenty/roids written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/vickenty/roids already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] e66e9d3e1e1f8ba68f048ddb30d02de9a69afcbb7cfdaf35d1bf5335e0d99636
[INFO] running `"docker" "start" "-a" "e66e9d3e1e1f8ba68f048ddb30d02de9a69afcbb7cfdaf35d1bf5335e0d99636"`
[INFO] [stderr]     Checking draw_state v0.4.0
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking osmesa-sys v0.0.5
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.4.9
[INFO] [stderr]     Checking cgmath v0.7.0
[INFO] [stderr]     Checking x11-dl v2.3.1
[INFO] [stderr]     Checking gfx_core v0.2.1
[INFO] [stderr]     Checking gfx_device_gl v0.9.0
[INFO] [stderr]     Checking gfx v0.10.2
[INFO] [stderr]     Checking gfx_window_glutin v0.10.0
[INFO] [stderr]     Checking roids v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `$crate` may not be imported
[INFO] [stderr]   --> src/render.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / gfx_pipeline!{
[INFO] [stderr] 35 | |     main_pline {
[INFO] [stderr] 36 | |         vbuf: gfx::VertexBuffer<Vertex> = (),
[INFO] [stderr] 37 | |         color: gfx::Global<[f32; 4]> = "shape_color",
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |     }
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `use $crate;` was erroneously allowed and will become a hard error in a future release
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `$crate` may not be imported
[INFO] [stderr]   --> src/render.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / gfx_pipeline!{
[INFO] [stderr] 35 | |     main_pline {
[INFO] [stderr] 36 | |         vbuf: gfx::VertexBuffer<Vertex> = (),
[INFO] [stderr] 37 | |         color: gfx::Global<[f32; 4]> = "shape_color",
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |     }
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `use $crate;` was erroneously allowed and will become a hard error in a future release
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:14:76
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn think(&mut self, dt: f32, &Input, hud: &mut Hud, born: &mut Vec<Box<Entity>>) -> State;
[INFO] [stderr]    |                                                                            ^^^^^^ help: use `dyn`: `dyn Entity`
[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/entity.rs:15:39
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn collide(&mut self, other: &mut Entity, energy: f32);
[INFO] [stderr]    |                                       ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |     entities: Vec<Box<Entity>>,
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     born: Vec<Box<Entity>>,
[INFO] [stderr]    |                   ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn collide(a: &mut Entity, b: &mut Entity) -> Option<f32> {
[INFO] [stderr]    |                    ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:27:36
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn collide(a: &mut Entity, b: &mut Entity) -> Option<f32> {
[INFO] [stderr]    |                                    ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:45:39
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn add(&mut self, entity: Box<Entity>) {
[INFO] [stderr]    |                                       ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ship.rs:128:53
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn fire(&mut self, dt: f32, spawn: &mut Vec<Box<Entity>>) {
[INFO] [stderr]     |                                                     ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ship.rs:173:84
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn think(&mut self, dt: f32, input: &Input, hud: &mut Hud, spawn: &mut Vec<Box<Entity>>) -> State {
[INFO] [stderr]     |                                                                                    ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ship.rs:208:40
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn collide(&mut self, _other: &mut Entity, energy: f32) {
[INFO] [stderr]     |                                        ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/roid.rs:63:47
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn explode(&mut self, spawn: &mut Vec<Box<Entity>>) {
[INFO] [stderr]    |                                               ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/roid.rs:102:86
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn think(&mut self, dt: f32, _input: &Input, _hud: &mut Hud, spawn: &mut Vec<Box<Entity>>) -> State {
[INFO] [stderr]     |                                                                                      ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/roid.rs:113:40
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn collide(&mut self, _other: &mut Entity, energy: f32) {
[INFO] [stderr]     |                                        ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:14:76
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn think(&mut self, dt: f32, &Input, hud: &mut Hud, born: &mut Vec<Box<Entity>>) -> State;
[INFO] [stderr]    |                                                                            ^^^^^^ help: use `dyn`: `dyn Entity`
[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/entity.rs:15:39
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn collide(&mut self, other: &mut Entity, energy: f32);
[INFO] [stderr]    |                                       ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |     entities: Vec<Box<Entity>>,
[INFO] [stderr]    |                       ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     born: Vec<Box<Entity>>,
[INFO] [stderr]    |                   ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn collide(a: &mut Entity, b: &mut Entity) -> Option<f32> {
[INFO] [stderr]    |                    ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:27:36
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn collide(a: &mut Entity, b: &mut Entity) -> Option<f32> {
[INFO] [stderr]    |                                    ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity.rs:45:39
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn add(&mut self, entity: Box<Entity>) {
[INFO] [stderr]    |                                       ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ship.rs:128:53
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn fire(&mut self, dt: f32, spawn: &mut Vec<Box<Entity>>) {
[INFO] [stderr]     |                                                     ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ship.rs:173:84
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn think(&mut self, dt: f32, input: &Input, hud: &mut Hud, spawn: &mut Vec<Box<Entity>>) -> State {
[INFO] [stderr]     |                                                                                    ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ship.rs:208:40
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn collide(&mut self, _other: &mut Entity, energy: f32) {
[INFO] [stderr]     |                                        ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/roid.rs:63:47
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn explode(&mut self, spawn: &mut Vec<Box<Entity>>) {
[INFO] [stderr]    |                                               ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/roid.rs:102:86
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn think(&mut self, dt: f32, _input: &Input, _hud: &mut Hud, spawn: &mut Vec<Box<Entity>>) -> State {
[INFO] [stderr]     |                                                                                      ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/roid.rs:113:40
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn collide(&mut self, _other: &mut Entity, energy: f32) {
[INFO] [stderr]     |                                        ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/beam.rs:34:86
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn think(&mut self, dt: f32, _input: &Input, _hud: &mut Hud, spawn: &mut Vec<Box<Entity>>) -> State {
[INFO] [stderr]    |                                                                                      ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/beam.rs:49:39
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn collide(&mut self, other: &mut Entity, _energy: f32) {
[INFO] [stderr]    |                                       ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/boom.rs:32:74
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn think(&mut self, dt: f32, _: &Input, _: &mut Hud, _: &mut Vec<Box<Entity>>) -> State {
[INFO] [stderr]    |                                                                          ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/boom.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn collide(&mut self, _: &mut Entity, _: f32) {}
[INFO] [stderr]    |                                   ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/beam.rs:34:86
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn think(&mut self, dt: f32, _input: &Input, _hud: &mut Hud, spawn: &mut Vec<Box<Entity>>) -> State {
[INFO] [stderr]    |                                                                                      ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/beam.rs:49:39
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn collide(&mut self, other: &mut Entity, _energy: f32) {
[INFO] [stderr]    |                                       ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/boom.rs:32:74
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn think(&mut self, dt: f32, _: &Input, _: &mut Hud, _: &mut Vec<Box<Entity>>) -> State {
[INFO] [stderr]    |                                                                          ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/boom.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn collide(&mut self, _: &mut Entity, _: f32) {}
[INFO] [stderr]    |                                   ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/render.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / gfx_vertex_struct! {
[INFO] [stderr] 21 | |     Vertex {
[INFO] [stderr] 22 | |         pos: [f32; 3] = "vertex_pos",
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/render.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / gfx_vertex_struct! {
[INFO] [stderr] 21 | |     Vertex {
[INFO] [stderr] 22 | |         pos: [f32; 3] = "vertex_pos",
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `entity::Entity`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use entity::Entity;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dt`
[INFO] [stderr]    --> src/ship.rs:128:24
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn fire(&mut self, dt: f32, spawn: &mut Vec<Box<Entity>>) {
[INFO] [stderr]     |                        ^^ help: consider prefixing with an underscore: `_dt`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/entity.rs:56:20
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let (todo, mut rest) = self.entities.split_at_mut(i);
[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/entity.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut this = rest[0].as_mut();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `entity::Entity`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use entity::Entity;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dt`
[INFO] [stderr]    --> src/ship.rs:128:24
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn fire(&mut self, dt: f32, spawn: &mut Vec<Box<Entity>>) {
[INFO] [stderr]     |                        ^^ help: consider prefixing with an underscore: `_dt`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `beam_spread`
[INFO] [stderr]   --> src/ship.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     beam_spread: f32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/entity.rs:56:20
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let (todo, mut rest) = self.entities.split_at_mut(i);
[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/entity.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut this = rest[0].as_mut();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `beam_spread`
[INFO] [stderr]   --> src/ship.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     beam_spread: f32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.48s
[INFO] running `"docker" "inspect" "e66e9d3e1e1f8ba68f048ddb30d02de9a69afcbb7cfdaf35d1bf5335e0d99636"`
[INFO] running `"docker" "rm" "-f" "e66e9d3e1e1f8ba68f048ddb30d02de9a69afcbb7cfdaf35d1bf5335e0d99636"`
[INFO] [stdout] e66e9d3e1e1f8ba68f048ddb30d02de9a69afcbb7cfdaf35d1bf5335e0d99636