[INFO] cloning repository https://github.com/NickDriscoll/fsa_server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NickDriscoll/fsa_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickDriscoll%2Ffsa_server"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickDriscoll%2Ffsa_server'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e72442bb75f63e6280683d2a81d3208d45ff745d
[INFO] checking NickDriscoll/fsa_server against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickDriscoll%2Ffsa_server" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NickDriscoll/fsa_server 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/NickDriscoll/fsa_server
[INFO] finished tweaking git repo https://github.com/NickDriscoll/fsa_server
[INFO] tweaked toml for git repo https://github.com/NickDriscoll/fsa_server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/NickDriscoll/fsa_server 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]     Blocking waiting for file lock on package cache
[INFO] running `"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=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] d6f729e82ff511a836ae1d4e67f343324e46f1f48703c5ae39dc63c03b761c0a
[INFO] running `"docker" "start" "-a" "d6f729e82ff511a836ae1d4e67f343324e46f1f48703c5ae39dc63c03b761c0a"`
[INFO] [stderr]    Compiling sdl2-sys v0.31.0 (https://github.com/AngryLawyer/rust-sdl2#73514508)
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0 (https://github.com/AngryLawyer/rust-sdl2#73514508)
[INFO] [stderr]     Checking fsaserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity_manager.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |     entities: HashMap<u32, Box<Entity>>,
[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_manager.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn add_entity(&mut self, entity: Box<Entity>) -> u32 {
[INFO] [stderr]    |                                              ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity_manager.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get(&self, id: u32) -> Option<&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_manager.rs:36:56
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn get_mut(&mut self, id: u32) -> Option<&mut 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_manager.rs:45:40
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn iter(&self) -> Values<u32, Box<Entity>> {
[INFO] [stderr]    |                                           ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::image::LoadTexture`
[INFO] [stderr]  --> src/texture_manager.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use sdl2::image::LoadTexture;
[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/entity_manager.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |     entities: HashMap<u32, Box<Entity>>,
[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_manager.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn add_entity(&mut self, entity: Box<Entity>) -> u32 {
[INFO] [stderr]    |                                              ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/entity_manager.rs:32:44
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get(&self, id: u32) -> Option<&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_manager.rs:36:56
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn get_mut(&mut self, id: u32) -> Option<&mut 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_manager.rs:45:40
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn iter(&self) -> Values<u32, Box<Entity>> {
[INFO] [stderr]    |                                           ^^^^^^ help: use `dyn`: `dyn Entity`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sdl2::image::LoadTexture`
[INFO] [stderr]  --> src/texture_manager.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use sdl2::image::LoadTexture;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `texture_manager`
[INFO] [stderr]   --> src/main.rs:79:6
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let texture_manager = TextureManager::new(&canvas);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_texture_manager`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `adobe_texture`
[INFO] [stderr]   --> src/main.rs:84:6
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let adobe_texture = texture_creator.load_texture("assets/adobe.png").unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_adobe_texture`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/network_manager.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 Ok(n) => {
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/network_manager.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 Err(e) => {  }
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entity_type`
[INFO] [stderr]   --> src/level_parser.rs:77:11
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     Some(entity_type) => {
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: consider prefixing with an underscore: `_entity_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entities`
[INFO] [stderr]   --> src/level_parser.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn load(path: &str, entities: &mut EntityManager) {
[INFO] [stderr]    |                         ^^^^^^^^ help: consider prefixing with an underscore: `_entities`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `texture_manager`
[INFO] [stderr]   --> src/main.rs:79:6
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let texture_manager = TextureManager::new(&canvas);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_texture_manager`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `adobe_texture`
[INFO] [stderr]   --> src/main.rs:84:6
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let adobe_texture = texture_creator.load_texture("assets/adobe.png").unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_adobe_texture`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/network_manager.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 Ok(n) => {
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/network_manager.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 Err(e) => {  }
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entity_type`
[INFO] [stderr]   --> src/level_parser.rs:77:11
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     Some(entity_type) => {
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: consider prefixing with an underscore: `_entity_type`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entities`
[INFO] [stderr]   --> src/level_parser.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn load(path: &str, entities: &mut EntityManager) {
[INFO] [stderr]    |                         ^^^^^^^^ help: consider prefixing with an underscore: `_entities`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:92:6
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let mut keyboard_manager = init_keyboard(&command_emitter, player_ids);
[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/main.rs:92:6
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let mut keyboard_manager = init_keyboard(&command_emitter, player_ids);
[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: variant is never constructed: `B`
[INFO] [stderr]   --> src/network_manager.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     B = 0x10,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/network_manager.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     A = 0x20
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bounding_box`
[INFO] [stderr]   --> src/prop.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |     bounding_box: Rect,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/prop.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(t: Texture<'a>, p: Vector2<f32>, draw_box: Rect, e_type: EntityType) -> Prop<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LEVEL_DIRECTORY`
[INFO] [stderr]  --> src/level_parser.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const LEVEL_DIRECTORY: &str = "levels/";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Building`
[INFO] [stderr]   --> src/level_parser.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Building = 0x01
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resolve`
[INFO] [stderr]   --> src/level_parser.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn resolve(i: u8) -> Option<EntityType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save`
[INFO] [stderr]   --> src/level_parser.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn save(path: &str, entities: &EntityManager) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load`
[INFO] [stderr]   --> src/level_parser.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn load(path: &str, entities: &mut EntityManager) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/entity_manager.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get(&self, id: u32) -> Option<&Box<Entity>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/entity_manager.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/entity_manager.rs:45:2
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn iter(&self) -> Values<u32, Box<Entity>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `texture_creator`
[INFO] [stderr]   --> src/texture_manager.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     texture_creator: TextureCreator<WindowContext>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `texture_map`
[INFO] [stderr]   --> src/texture_manager.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     texture_map: HashMap<u32, Texture<'a>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `next_id`
[INFO] [stderr]   --> src/texture_manager.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     next_id: u32
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]   --> src/network_manager.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     B = 0x10,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/network_manager.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     A = 0x20
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bounding_box`
[INFO] [stderr]   --> src/prop.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |     bounding_box: Rect,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/prop.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(t: Texture<'a>, p: Vector2<f32>, draw_box: Rect, e_type: EntityType) -> Prop<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LEVEL_DIRECTORY`
[INFO] [stderr]  --> src/level_parser.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const LEVEL_DIRECTORY: &str = "levels/";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Building`
[INFO] [stderr]   --> src/level_parser.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Building = 0x01
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `resolve`
[INFO] [stderr]   --> src/level_parser.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn resolve(i: u8) -> Option<EntityType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save`
[INFO] [stderr]   --> src/level_parser.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn save(path: &str, entities: &EntityManager) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load`
[INFO] [stderr]   --> src/level_parser.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn load(path: &str, entities: &mut EntityManager) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/entity_manager.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get(&self, id: u32) -> Option<&Box<Entity>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/entity_manager.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/entity_manager.rs:45:2
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn iter(&self) -> Values<u32, Box<Entity>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `texture_creator`
[INFO] [stderr]   --> src/texture_manager.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     texture_creator: TextureCreator<WindowContext>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `texture_map`
[INFO] [stderr]   --> src/texture_manager.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     texture_map: HashMap<u32, Texture<'a>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `next_id`
[INFO] [stderr]   --> src/texture_manager.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     next_id: u32
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/player.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |         canvas.fill_rect(rect::Rect::new(self.position.x as i32, self.position.y as i32, 25, 25));
[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/network_manager.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 stream.set_nonblocking(true);
[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/prop.rs:43:3
[INFO] [stderr]    |
[INFO] [stderr] 43 |         canvas.copy(&self.texture, self.drawing_box, self.destination_box);
[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/level_parser.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |         level_file.write(&buffer);
[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/player.rs:61:3
[INFO] [stderr]    |
[INFO] [stderr] 61 |         canvas.fill_rect(rect::Rect::new(self.position.x as i32, self.position.y as i32, 25, 25));
[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/network_manager.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 stream.set_nonblocking(true);
[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/prop.rs:43:3
[INFO] [stderr]    |
[INFO] [stderr] 43 |         canvas.copy(&self.texture, self.drawing_box, self.destination_box);
[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/level_parser.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |         level_file.write(&buffer);
[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 9.03s
[INFO] running `"docker" "inspect" "d6f729e82ff511a836ae1d4e67f343324e46f1f48703c5ae39dc63c03b761c0a"`
[INFO] running `"docker" "rm" "-f" "d6f729e82ff511a836ae1d4e67f343324e46f1f48703c5ae39dc63c03b761c0a"`
[INFO] [stdout] d6f729e82ff511a836ae1d4e67f343324e46f1f48703c5ae39dc63c03b761c0a