Dec 17 14:29:44.915 INFO checking succcubbus/twodbattle against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 14:29:44.915 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/succcubbus/twodbattle:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:29:45.517 INFO [stdout] d025f9624d37b6d712de728f09feb793c8666d11ec1fbae2aa5b87571e3b8d35
Dec 17 14:29:45.522 INFO running `"docker" "start" "-a" "d025f9624d37b6d712de728f09feb793c8666d11ec1fbae2aa5b87571e3b8d35"`
Dec 17 14:29:47.372 INFO [stderr]    Compiling proc-macro2 v0.4.23
Dec 17 14:29:47.376 INFO [stderr]    Compiling xml-rs v0.8.0
Dec 17 14:29:47.378 INFO [stderr]    Compiling khronos_api v3.0.0
Dec 17 14:29:47.380 INFO [stderr]     Checking arrayvec v0.4.7
Dec 17 14:29:47.380 INFO [stderr]     Checking shared_library v0.1.9
Dec 17 14:29:47.381 INFO [stderr]    Compiling log v0.4.6
Dec 17 14:29:47.381 INFO [stderr]     Checking piston-viewport v0.4.0
Dec 17 14:29:49.459 INFO [stderr]     Checking nix v0.11.0
Dec 17 14:29:49.460 INFO [stderr]     Checking osmesa-sys v0.1.2
Dec 17 14:29:49.532 INFO [stderr]     Checking ordered-float v1.0.1
Dec 17 14:29:50.370 INFO [stderr]     Checking approx v0.3.0
Dec 17 14:29:50.370 INFO [stderr]     Checking line_drawing v0.7.0
Dec 17 14:29:50.384 INFO [stderr]     Checking x11-dl v2.18.3
Dec 17 14:29:51.040 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 17 14:29:51.180 INFO [stderr]     Checking ordered-float v0.5.2
Dec 17 14:29:51.200 INFO [stderr]    Compiling gl_generator v0.9.0
Dec 17 14:29:51.764 INFO [stderr]     Checking wayland-sys v0.21.4
Dec 17 14:29:56.332 INFO [stderr]     Checking rusttype v0.7.2
Dec 17 14:29:56.458 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 17 14:29:56.731 INFO [stderr]     Checking rusttype v0.5.2
Dec 17 14:29:57.138 INFO [stderr]    Compiling wayland-scanner v0.21.4
Dec 17 14:29:57.965 INFO [stderr]    Compiling gl_generator v0.10.0
Dec 17 14:30:01.272 INFO [stderr]     Checking rayon-core v1.4.1
Dec 17 14:30:01.295 INFO [stderr]     Checking piston2d-graphics v0.27.0
Dec 17 14:30:06.207 INFO [stderr]     Checking andrew v0.1.4
Dec 17 14:30:06.312 INFO [stderr]     Checking rayon v1.0.3
Dec 17 14:30:07.660 INFO [stderr]    Compiling gl v0.10.0
Dec 17 14:30:07.680 INFO [stderr]    Compiling wayland-client v0.21.4
Dec 17 14:30:07.712 INFO [stderr]    Compiling wayland-protocols v0.21.4
Dec 17 14:30:08.009 INFO [stderr]    Compiling quote v0.6.10
Dec 17 14:30:09.244 INFO [stderr]    Compiling glutin v0.19.0
Dec 17 14:30:20.332 INFO [stderr]    Compiling syn v0.15.20
Dec 17 14:30:20.425 INFO [stderr]     Checking wayland-commons v0.21.4
Dec 17 14:30:24.476 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 17 14:30:43.182 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 17 14:30:43.184 INFO [stderr]    Compiling num-derive v0.2.3
Dec 17 14:30:51.226 INFO [stderr]     Checking smithay-client-toolkit v0.4.1
Dec 17 14:30:57.336 INFO [stderr]     Checking tiff v0.2.1
Dec 17 14:30:57.639 INFO [stderr]     Checking winit v0.18.0
Dec 17 14:30:59.153 INFO [stderr]     Checking image v0.20.1
Dec 17 14:31:12.611 INFO [stderr]     Checking pistoncore-input v0.22.0
Dec 17 14:31:13.913 INFO [stderr]     Checking piston2d-opengl_graphics v0.55.0
Dec 17 14:31:16.160 INFO [stderr]     Checking pistoncore-window v0.33.0
Dec 17 14:31:17.176 INFO [stderr]     Checking pistoncore-event_loop v0.38.0
Dec 17 14:31:17.176 INFO [stderr]     Checking pistoncore-glutin_window v0.50.0
Dec 17 14:31:17.593 INFO [stderr]     Checking piston v0.38.0
Dec 17 14:31:17.913 INFO [stderr]     Checking twodbattle v0.1.0 (/opt/crater/workdir)
Dec 17 14:31:18.660 INFO [stderr] warning: unused import: `mouse::MouseButton`
Dec 17 14:31:18.660 INFO [stderr]  --> src/player_controller.rs:2:83
Dec 17 14:31:18.660 INFO [stderr]   |
Dec 17 14:31:18.660 INFO [stderr] 2 | use piston::input::{keyboard::Key, Button, ButtonArgs, ButtonState, GenericEvent, mouse::MouseButton};
Dec 17 14:31:18.660 INFO [stderr]   |                                                                                   ^^^^^^^^^^^^^^^^^^
Dec 17 14:31:18.660 INFO [stderr]   |
Dec 17 14:31:18.660 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 14:31:18.660 INFO [stderr] 
Dec 17 14:31:18.660 INFO [stderr] warning: unused import: `Player`
Dec 17 14:31:18.660 INFO [stderr]  --> src/shot.rs:1:5
Dec 17 14:31:18.660 INFO [stderr]   |
Dec 17 14:31:18.660 INFO [stderr] 1 | use Player;
Dec 17 14:31:18.660 INFO [stderr]   |     ^^^^^^
Dec 17 14:31:18.660 INFO [stderr] 
Dec 17 14:31:18.661 INFO [stderr] warning: unused import: `ButtonState`
Dec 17 14:31:18.661 INFO [stderr]  --> src/shot_controller.rs:1:61
Dec 17 14:31:18.661 INFO [stderr]   |
Dec 17 14:31:18.661 INFO [stderr] 1 | use piston::input::{mouse::MouseButton, Button, ButtonArgs, ButtonState, GenericEvent};
Dec 17 14:31:18.661 INFO [stderr]   |                                                             ^^^^^^^^^^^
Dec 17 14:31:18.661 INFO [stderr] 
Dec 17 14:31:18.664 INFO [stderr] warning: unused import: `mouse::MouseButton`
Dec 17 14:31:18.664 INFO [stderr]  --> src/player_controller.rs:2:83
Dec 17 14:31:18.664 INFO [stderr]   |
Dec 17 14:31:18.664 INFO [stderr] 2 | use piston::input::{keyboard::Key, Button, ButtonArgs, ButtonState, GenericEvent, mouse::MouseButton};
Dec 17 14:31:18.664 INFO [stderr]   |                                                                                   ^^^^^^^^^^^^^^^^^^
Dec 17 14:31:18.664 INFO [stderr]   |
Dec 17 14:31:18.664 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 14:31:18.664 INFO [stderr] 
Dec 17 14:31:18.664 INFO [stderr] warning: unused import: `Player`
Dec 17 14:31:18.665 INFO [stderr]  --> src/shot.rs:1:5
Dec 17 14:31:18.665 INFO [stderr]   |
Dec 17 14:31:18.665 INFO [stderr] 1 | use Player;
Dec 17 14:31:18.665 INFO [stderr]   |     ^^^^^^
Dec 17 14:31:18.665 INFO [stderr] 
Dec 17 14:31:18.665 INFO [stderr] warning: unused import: `ButtonState`
Dec 17 14:31:18.665 INFO [stderr]  --> src/shot_controller.rs:1:61
Dec 17 14:31:18.665 INFO [stderr]   |
Dec 17 14:31:18.665 INFO [stderr] 1 | use piston::input::{mouse::MouseButton, Button, ButtonArgs, ButtonState, GenericEvent};
Dec 17 14:31:18.665 INFO [stderr]   |                                                             ^^^^^^^^^^^
Dec 17 14:31:18.665 INFO [stderr] 
Dec 17 14:31:18.944 INFO [stderr] warning: unused variable: `u`
Dec 17 14:31:18.944 INFO [stderr]   --> src/map_controller.rs:14:21
Dec 17 14:31:18.944 INFO [stderr]    |
Dec 17 14:31:18.944 INFO [stderr] 14 |         if let Some(u) = e.update_args() {}
Dec 17 14:31:18.944 INFO [stderr]    |                     ^ help: consider using `_u` instead
Dec 17 14:31:18.944 INFO [stderr]    |
Dec 17 14:31:18.944 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 14:31:18.944 INFO [stderr] 
Dec 17 14:31:18.944 INFO [stderr] warning: unused variable: `shot`
Dec 17 14:31:18.944 INFO [stderr]   --> src/shot_controller.rs:31:26
Dec 17 14:31:18.944 INFO [stderr]    |
Dec 17 14:31:18.944 INFO [stderr] 31 |     fn update(&mut self, shot: &Shot, dt: f64) {}
Dec 17 14:31:18.944 INFO [stderr]    |                          ^^^^ help: consider using `_shot` instead
Dec 17 14:31:18.944 INFO [stderr] 
Dec 17 14:31:18.944 INFO [stderr] warning: unused variable: `dt`
Dec 17 14:31:18.944 INFO [stderr]   --> src/shot_controller.rs:31:39
Dec 17 14:31:18.944 INFO [stderr]    |
Dec 17 14:31:18.944 INFO [stderr] 31 |     fn update(&mut self, shot: &Shot, dt: f64) {}
Dec 17 14:31:18.944 INFO [stderr]    |                                       ^^ help: consider using `_dt` instead
Dec 17 14:31:18.944 INFO [stderr] 
Dec 17 14:31:18.944 INFO [stderr] warning: unused variable: `shot`
Dec 17 14:31:18.944 INFO [stderr]   --> src/shot_controller.rs:33:35
Dec 17 14:31:18.944 INFO [stderr]    |
Dec 17 14:31:18.944 INFO [stderr] 33 |     fn check_collision(&mut self, shot: &Shot, map: &Map, dt: f64) {}
Dec 17 14:31:18.944 INFO [stderr]    |                                   ^^^^ help: consider using `_shot` instead
Dec 17 14:31:18.944 INFO [stderr] 
Dec 17 14:31:18.944 INFO [stderr] warning: unused variable: `map`
Dec 17 14:31:18.944 INFO [stderr]   --> src/shot_controller.rs:33:48
Dec 17 14:31:18.944 INFO [stderr]    |
Dec 17 14:31:18.944 INFO [stderr] 33 |     fn check_collision(&mut self, shot: &Shot, map: &Map, dt: f64) {}
Dec 17 14:31:18.944 INFO [stderr]    |                                                ^^^ help: consider using `_map` instead
Dec 17 14:31:18.944 INFO [stderr] 
Dec 17 14:31:18.944 INFO [stderr] warning: unused variable: `dt`
Dec 17 14:31:18.944 INFO [stderr]   --> src/shot_controller.rs:33:59
Dec 17 14:31:18.944 INFO [stderr]    |
Dec 17 14:31:18.944 INFO [stderr] 33 |     fn check_collision(&mut self, shot: &Shot, map: &Map, dt: f64) {}
Dec 17 14:31:18.944 INFO [stderr]    |                                                           ^^ help: consider using `_dt` instead
Dec 17 14:31:18.944 INFO [stderr] 
Dec 17 14:31:18.944 INFO [stderr] warning: unused variable: `shot`
Dec 17 14:31:18.945 INFO [stderr]   --> src/shot_controller.rs:35:26
Dec 17 14:31:18.945 INFO [stderr]    |
Dec 17 14:31:18.945 INFO [stderr] 35 |     fn motion(&mut self, shot: &Shot, dt: f64) {}
Dec 17 14:31:18.945 INFO [stderr]    |                          ^^^^ help: consider using `_shot` instead
Dec 17 14:31:18.945 INFO [stderr] 
Dec 17 14:31:18.945 INFO [stderr] warning: unused variable: `dt`
Dec 17 14:31:18.945 INFO [stderr]   --> src/shot_controller.rs:35:39
Dec 17 14:31:18.945 INFO [stderr]    |
Dec 17 14:31:18.945 INFO [stderr] 35 |     fn motion(&mut self, shot: &Shot, dt: f64) {}
Dec 17 14:31:18.945 INFO [stderr]    |                                       ^^ help: consider using `_dt` instead
Dec 17 14:31:18.945 INFO [stderr] 
Dec 17 14:31:18.961 INFO [stderr] warning: unused variable: `u`
Dec 17 14:31:18.961 INFO [stderr]   --> src/map_controller.rs:14:21
Dec 17 14:31:18.961 INFO [stderr]    |
Dec 17 14:31:18.961 INFO [stderr] 14 |         if let Some(u) = e.update_args() {}
Dec 17 14:31:18.961 INFO [stderr]    |                     ^ help: consider using `_u` instead
Dec 17 14:31:18.961 INFO [stderr]    |
Dec 17 14:31:18.961 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 14:31:18.961 INFO [stderr] 
Dec 17 14:31:18.961 INFO [stderr] warning: unused variable: `shot`
Dec 17 14:31:18.961 INFO [stderr]   --> src/shot_controller.rs:31:26
Dec 17 14:31:18.961 INFO [stderr]    |
Dec 17 14:31:18.961 INFO [stderr] 31 |     fn update(&mut self, shot: &Shot, dt: f64) {}
Dec 17 14:31:18.961 INFO [stderr]    |                          ^^^^ help: consider using `_shot` instead
Dec 17 14:31:18.961 INFO [stderr] 
Dec 17 14:31:18.961 INFO [stderr] warning: unused variable: `dt`
Dec 17 14:31:18.961 INFO [stderr]   --> src/shot_controller.rs:31:39
Dec 17 14:31:18.961 INFO [stderr]    |
Dec 17 14:31:18.961 INFO [stderr] 31 |     fn update(&mut self, shot: &Shot, dt: f64) {}
Dec 17 14:31:18.961 INFO [stderr]    |                                       ^^ help: consider using `_dt` instead
Dec 17 14:31:18.961 INFO [stderr] 
Dec 17 14:31:18.961 INFO [stderr] warning: unused variable: `shot`
Dec 17 14:31:18.961 INFO [stderr]   --> src/shot_controller.rs:33:35
Dec 17 14:31:18.961 INFO [stderr]    |
Dec 17 14:31:18.961 INFO [stderr] 33 |     fn check_collision(&mut self, shot: &Shot, map: &Map, dt: f64) {}
Dec 17 14:31:18.961 INFO [stderr]    |                                   ^^^^ help: consider using `_shot` instead
Dec 17 14:31:18.961 INFO [stderr] 
Dec 17 14:31:18.961 INFO [stderr] warning: unused variable: `map`
Dec 17 14:31:18.961 INFO [stderr]   --> src/shot_controller.rs:33:48
Dec 17 14:31:18.961 INFO [stderr]    |
Dec 17 14:31:18.961 INFO [stderr] 33 |     fn check_collision(&mut self, shot: &Shot, map: &Map, dt: f64) {}
Dec 17 14:31:18.961 INFO [stderr]    |                                                ^^^ help: consider using `_map` instead
Dec 17 14:31:18.961 INFO [stderr] 
Dec 17 14:31:18.961 INFO [stderr] warning: unused variable: `dt`
Dec 17 14:31:18.961 INFO [stderr]   --> src/shot_controller.rs:33:59
Dec 17 14:31:18.961 INFO [stderr]    |
Dec 17 14:31:18.961 INFO [stderr] 33 |     fn check_collision(&mut self, shot: &Shot, map: &Map, dt: f64) {}
Dec 17 14:31:18.961 INFO [stderr]    |                                                           ^^ help: consider using `_dt` instead
Dec 17 14:31:18.961 INFO [stderr] 
Dec 17 14:31:18.961 INFO [stderr] warning: unused variable: `shot`
Dec 17 14:31:18.961 INFO [stderr]   --> src/shot_controller.rs:35:26
Dec 17 14:31:18.961 INFO [stderr]    |
Dec 17 14:31:18.961 INFO [stderr] 35 |     fn motion(&mut self, shot: &Shot, dt: f64) {}
Dec 17 14:31:18.961 INFO [stderr]    |                          ^^^^ help: consider using `_shot` instead
Dec 17 14:31:18.961 INFO [stderr] 
Dec 17 14:31:18.961 INFO [stderr] warning: unused variable: `dt`
Dec 17 14:31:18.961 INFO [stderr]   --> src/shot_controller.rs:35:39
Dec 17 14:31:18.961 INFO [stderr]    |
Dec 17 14:31:18.961 INFO [stderr] 35 |     fn motion(&mut self, shot: &Shot, dt: f64) {}
Dec 17 14:31:18.961 INFO [stderr]    |                                       ^^ help: consider using `_dt` instead
Dec 17 14:31:18.961 INFO [stderr] 
Dec 17 14:31:19.012 INFO [stderr] error[E0499]: cannot borrow `*self` as mutable more than once at a time
Dec 17 14:31:19.012 INFO [stderr]   --> src/shot_controller.rs:20:17
Dec 17 14:31:19.012 INFO [stderr]    |
Dec 17 14:31:19.012 INFO [stderr] 19 |             for shot in self.shots.iter_mut() {
Dec 17 14:31:19.012 INFO [stderr]    |                         ----------          - first borrow ends here
Dec 17 14:31:19.012 INFO [stderr]    |                         |
Dec 17 14:31:19.012 INFO [stderr]    |                         first mutable borrow occurs here
Dec 17 14:31:19.012 INFO [stderr] 20 |                 self.update(&shot, tick.dt);
Dec 17 14:31:19.012 INFO [stderr]    |                 ^^^^ second mutable borrow occurs here
Dec 17 14:31:19.012 INFO [stderr] 
Dec 17 14:31:19.012 INFO [stderr] error[E0499]: cannot borrow `*self` as mutable more than once at a time
Dec 17 14:31:19.012 INFO [stderr]   --> src/shot_controller.rs:21:17
Dec 17 14:31:19.012 INFO [stderr]    |
Dec 17 14:31:19.012 INFO [stderr] 19 |             for shot in self.shots.iter_mut() {
Dec 17 14:31:19.012 INFO [stderr]    |                         ----------          - first borrow ends here
Dec 17 14:31:19.012 INFO [stderr]    |                         |
Dec 17 14:31:19.012 INFO [stderr]    |                         first mutable borrow occurs here
Dec 17 14:31:19.012 INFO [stderr] 20 |                 self.update(&shot, tick.dt);
Dec 17 14:31:19.012 INFO [stderr] 21 |                 self.check_collision(&shot, map, tick.dt);
Dec 17 14:31:19.012 INFO [stderr]    |                 ^^^^ second mutable borrow occurs here
Dec 17 14:31:19.013 INFO [stderr] 
Dec 17 14:31:19.013 INFO [stderr] error[E0499]: cannot borrow `*self` as mutable more than once at a time
Dec 17 14:31:19.013 INFO [stderr]   --> src/shot_controller.rs:22:17
Dec 17 14:31:19.013 INFO [stderr]    |
Dec 17 14:31:19.013 INFO [stderr] 19 |             for shot in self.shots.iter_mut() {
Dec 17 14:31:19.013 INFO [stderr]    |                         ----------          - first borrow ends here
Dec 17 14:31:19.013 INFO [stderr]    |                         |
Dec 17 14:31:19.013 INFO [stderr]    |                         first mutable borrow occurs here
Dec 17 14:31:19.013 INFO [stderr] ...
Dec 17 14:31:19.013 INFO [stderr] 22 |                 self.motion(&shot, tick.dt);
Dec 17 14:31:19.013 INFO [stderr]    |                 ^^^^ second mutable borrow occurs here
Dec 17 14:31:19.013 INFO [stderr] 
Dec 17 14:31:19.020 INFO [stderr] error: aborting due to 3 previous errors
Dec 17 14:31:19.020 INFO [stderr] 
Dec 17 14:31:19.020 INFO [stderr] For more information about this error, try `rustc --explain E0499`.
Dec 17 14:31:19.020 INFO [stderr] error[E0499]: cannot borrow `*self` as mutable more than once at a time
Dec 17 14:31:19.020 INFO [stderr]   --> src/shot_controller.rs:20:17
Dec 17 14:31:19.020 INFO [stderr]    |
Dec 17 14:31:19.020 INFO [stderr] 19 |             for shot in self.shots.iter_mut() {
Dec 17 14:31:19.020 INFO [stderr]    |                         ----------          - first borrow ends here
Dec 17 14:31:19.020 INFO [stderr]    |                         |
Dec 17 14:31:19.020 INFO [stderr]    |                         first mutable borrow occurs here
Dec 17 14:31:19.020 INFO [stderr] 20 |                 self.update(&shot, tick.dt);
Dec 17 14:31:19.020 INFO [stderr]    |                 ^^^^ second mutable borrow occurs here
Dec 17 14:31:19.020 INFO [stderr] 
Dec 17 14:31:19.020 INFO [stderr] error[E0499]: cannot borrow `*self` as mutable more than once at a time
Dec 17 14:31:19.020 INFO [stderr]   --> src/shot_controller.rs:21:17
Dec 17 14:31:19.020 INFO [stderr]    |
Dec 17 14:31:19.020 INFO [stderr] 19 |             for shot in self.shots.iter_mut() {
Dec 17 14:31:19.020 INFO [stderr]    |                         ----------          - first borrow ends here
Dec 17 14:31:19.020 INFO [stderr]    |                         |
Dec 17 14:31:19.020 INFO [stderr]    |                         first mutable borrow occurs here
Dec 17 14:31:19.020 INFO [stderr] 20 |                 self.update(&shot, tick.dt);
Dec 17 14:31:19.020 INFO [stderr] 21 |                 self.check_collision(&shot, map, tick.dt);
Dec 17 14:31:19.020 INFO [stderr]    |                 ^^^^ second mutable borrow occurs here
Dec 17 14:31:19.020 INFO [stderr] 
Dec 17 14:31:19.020 INFO [stderr] error[E0499]: cannot borrow `*self` as mutable more than once at a time
Dec 17 14:31:19.020 INFO [stderr]   --> src/shot_controller.rs:22:17
Dec 17 14:31:19.020 INFO [stderr]    |
Dec 17 14:31:19.020 INFO [stderr] 19 |             for shot in self.shots.iter_mut() {
Dec 17 14:31:19.021 INFO [stderr]    |                         ----------          - first borrow ends here
Dec 17 14:31:19.021 INFO [stderr]    |                         |
Dec 17 14:31:19.021 INFO [stderr]    |                         first mutable borrow occurs here
Dec 17 14:31:19.021 INFO [stderr] ...
Dec 17 14:31:19.021 INFO [stderr] 22 |                 self.motion(&shot, tick.dt);
Dec 17 14:31:19.021 INFO [stderr]    |                 ^^^^ second mutable borrow occurs here
Dec 17 14:31:19.021 INFO [stderr] 
Dec 17 14:31:19.029 INFO [stderr] error: aborting due to 3 previous errors
Dec 17 14:31:19.029 INFO [stderr] 
Dec 17 14:31:19.029 INFO [stderr] For more information about this error, try `rustc --explain E0499`.
Dec 17 14:31:19.036 INFO [stderr] error: Could not compile `twodbattle`.
Dec 17 14:31:19.036 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 17 14:31:19.052 INFO [stderr] error: Could not compile `twodbattle`.
Dec 17 14:31:19.054 INFO [stderr] 
Dec 17 14:31:19.054 INFO [stderr] To learn more, run the command again with --verbose.
Dec 17 14:31:19.789 INFO running `"docker" "inspect" "d025f9624d37b6d712de728f09feb793c8666d11ec1fbae2aa5b87571e3b8d35"`
Dec 17 14:31:20.074 INFO running `"docker" "rm" "-f" "d025f9624d37b6d712de728f09feb793c8666d11ec1fbae2aa5b87571e3b8d35"`
Dec 17 14:31:20.460 INFO [stdout] d025f9624d37b6d712de728f09feb793c8666d11ec1fbae2aa5b87571e3b8d35