Dec 11 13:27:33.985 INFO checking mmiecz/chip8-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 13:27:33.986 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 13:27:34.248 INFO [stdout] c78647f5e190b2f8283d21fedf7877cb2bf5bcb05cadd78283fbc937db3e3700
Dec 11 13:27:34.254 INFO running `"docker" "start" "-a" "c78647f5e190b2f8283d21fedf7877cb2bf5bcb05cadd78283fbc937db3e3700"`
Dec 11 13:27:35.109 INFO [stderr] usermod: no changes
Dec 11 13:27:35.357 INFO [stderr]    Compiling libc v0.2.19
Dec 11 13:27:35.358 INFO [stderr]    Compiling phf_shared v0.7.20
Dec 11 13:27:35.358 INFO [stderr]    Compiling serde v0.8.22
Dec 11 13:27:35.360 INFO [stderr]    Compiling x11-dl v2.12.0
Dec 11 13:27:35.363 INFO [stderr]     Checking rand v0.3.15
Dec 11 13:27:35.363 INFO [stderr]     Checking shared_library v0.1.5
Dec 11 13:27:35.363 INFO [stderr]    Compiling wayland-scanner v0.7.6
Dec 11 13:27:35.365 INFO [stderr]    Compiling glutin v0.7.2
Dec 11 13:27:36.974 INFO [stderr]    Compiling glium v0.16.0
Dec 11 13:27:37.876 INFO [stderr]    Compiling phf v0.7.20
Dec 11 13:27:38.533 INFO [stderr]     Checking osmesa-sys v0.1.2
Dec 11 13:27:39.087 INFO [stderr]     Checking fs2 v0.2.5
Dec 11 13:27:39.113 INFO [stderr]     Checking backtrace v0.2.3
Dec 11 13:27:43.187 INFO [stderr]     Checking memmap v0.4.0
Dec 11 13:27:43.194 INFO [stderr]     Checking tempfile v2.1.4
Dec 11 13:27:43.224 INFO [stderr]    Compiling wayland-client v0.7.6
Dec 11 13:27:46.696 INFO [stderr]    Compiling phf_generator v0.7.20
Dec 11 13:27:47.497 INFO [stderr]    Compiling phf_codegen v0.7.20
Dec 11 13:27:48.568 INFO [stderr]    Compiling serde_json v0.8.4
Dec 11 13:27:49.109 INFO [stderr]    Compiling target_build_utils v0.1.2
Dec 11 13:28:08.734 INFO [stderr]    Compiling libloading v0.3.1
Dec 11 13:28:11.029 INFO [stderr]     Checking dlib v0.3.1
Dec 11 13:28:11.382 INFO [stderr]     Checking wayland-sys v0.7.6
Dec 11 13:28:13.622 INFO [stderr]     Checking wayland-window v0.4.3
Dec 11 13:28:13.624 INFO [stderr]     Checking wayland-kbd v0.6.2
Dec 11 13:28:15.281 INFO [stderr]     Checking winit v0.5.7
Dec 11 13:28:31.556 INFO [stderr]     Checking chip8-rust v0.1.0 (/source)
Dec 11 13:28:32.817 INFO [stderr] warning: unused import: `glium::glutin::VirtualKeyCode`
Dec 11 13:28:32.818 INFO [stderr]    --> src/cpu.rs:446:13
Dec 11 13:28:32.818 INFO [stderr]     |
Dec 11 13:28:32.818 INFO [stderr] 446 |         use glium::glutin::VirtualKeyCode;
Dec 11 13:28:32.818 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:28:32.818 INFO [stderr]     |
Dec 11 13:28:32.818 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 11 13:28:32.818 INFO [stderr] 
Dec 11 13:28:32.818 INFO [stderr] warning: unused import: `glium::glutin::VirtualKeyCode`
Dec 11 13:28:32.818 INFO [stderr]    --> src/cpu.rs:455:13
Dec 11 13:28:32.818 INFO [stderr]     |
Dec 11 13:28:32.818 INFO [stderr] 455 |         use glium::glutin::VirtualKeyCode;
Dec 11 13:28:32.818 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:28:32.818 INFO [stderr] 
Dec 11 13:28:32.818 INFO [stderr] warning: unused import: `glium::DisplayBuild`
Dec 11 13:28:32.818 INFO [stderr]  --> src/input.rs:3:5
Dec 11 13:28:32.818 INFO [stderr]   |
Dec 11 13:28:32.818 INFO [stderr] 3 | use glium::DisplayBuild;
Dec 11 13:28:32.818 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 13:28:32.818 INFO [stderr] 
Dec 11 13:28:32.818 INFO [stderr] warning: unused import: `std::thread`
Dec 11 13:28:32.818 INFO [stderr]  --> src/input.rs:4:5
Dec 11 13:28:32.818 INFO [stderr]   |
Dec 11 13:28:32.818 INFO [stderr] 4 | use std::thread;
Dec 11 13:28:32.818 INFO [stderr]   |     ^^^^^^^^^^^
Dec 11 13:28:32.818 INFO [stderr] 
Dec 11 13:28:32.818 INFO [stderr] warning: unused import: `std::time`
Dec 11 13:28:32.818 INFO [stderr]  --> src/input.rs:5:5
Dec 11 13:28:32.818 INFO [stderr]   |
Dec 11 13:28:32.818 INFO [stderr] 5 | use std::time;
Dec 11 13:28:32.818 INFO [stderr]   |     ^^^^^^^^^
Dec 11 13:28:32.818 INFO [stderr] 
Dec 11 13:28:32.818 INFO [stderr] warning: unused import: `glium::glutin`
Dec 11 13:28:32.818 INFO [stderr]  --> src/display.rs:4:5
Dec 11 13:28:32.818 INFO [stderr]   |
Dec 11 13:28:32.818 INFO [stderr] 4 | use glium::glutin;
Dec 11 13:28:32.818 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 13:28:32.818 INFO [stderr] 
Dec 11 13:28:32.818 INFO [stderr] warning: unused import: `std::path::Path`
Dec 11 13:28:32.818 INFO [stderr]  --> src/display.rs:6:5
Dec 11 13:28:32.818 INFO [stderr]   |
Dec 11 13:28:32.818 INFO [stderr] 6 | use std::path::Path;
Dec 11 13:28:32.818 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 13:28:32.818 INFO [stderr] 
Dec 11 13:28:32.818 INFO [stderr] warning: unused import: `std::fs::File`
Dec 11 13:28:32.818 INFO [stderr]  --> src/display.rs:7:5
Dec 11 13:28:32.818 INFO [stderr]   |
Dec 11 13:28:32.818 INFO [stderr] 7 | use std::fs::File;
Dec 11 13:28:32.818 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 13:28:32.818 INFO [stderr] 
Dec 11 13:28:32.818 INFO [stderr] warning: unused imports: `CpuError`, `Cpu`, `DecoderError`
Dec 11 13:28:32.818 INFO [stderr]  --> src/main.rs:9:11
Dec 11 13:28:32.818 INFO [stderr]   |
Dec 11 13:28:32.818 INFO [stderr] 9 | use cpu::{Cpu, DecoderError, CpuError};
Dec 11 13:28:32.818 INFO [stderr]   |           ^^^  ^^^^^^^^^^^^  ^^^^^^^^
Dec 11 13:28:32.818 INFO [stderr] 
Dec 11 13:28:32.818 INFO [stderr] warning: unused imports: `Event`, `VirtualKeyCode`
Dec 11 13:28:32.818 INFO [stderr]   --> src/main.rs:10:21
Dec 11 13:28:32.818 INFO [stderr]    |
Dec 11 13:28:32.818 INFO [stderr] 10 | use glium::glutin::{VirtualKeyCode, Event};
Dec 11 13:28:32.818 INFO [stderr]    |                     ^^^^^^^^^^^^^^  ^^^^^
Dec 11 13:28:32.818 INFO [stderr] 
Dec 11 13:28:32.926 INFO [stderr] warning: unreachable expression
Dec 11 13:28:32.926 INFO [stderr]    --> src/cpu.rs:264:9
Dec 11 13:28:32.926 INFO [stderr]     |
Dec 11 13:28:32.926 INFO [stderr] 264 |         "cls".to_string()
Dec 11 13:28:32.926 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 11 13:28:32.927 INFO [stderr]     |
Dec 11 13:28:32.927 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 11 13:28:32.927 INFO [stderr] 
Dec 11 13:28:32.971 INFO [stderr] warning: unreachable expression
Dec 11 13:28:32.971 INFO [stderr]    --> src/cpu.rs:480:9
Dec 11 13:28:32.971 INFO [stderr]     |
Dec 11 13:28:32.971 INFO [stderr] 480 |         format!("wkp {:#x}", self.regs.v[reg])
Dec 11 13:28:32.971 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:28:32.971 INFO [stderr]     |
Dec 11 13:28:32.971 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 13:28:32.971 INFO [stderr] 
Dec 11 13:28:33.046 INFO [stderr] warning: unused variable: `what`
Dec 11 13:28:33.046 INFO [stderr]   --> src/cpu.rs:75:17
Dec 11 13:28:33.046 INFO [stderr]    |
Dec 11 13:28:33.046 INFO [stderr] 75 |             Err(what) => Err(CpuError::DecoderError)
Dec 11 13:28:33.046 INFO [stderr]    |                 ^^^^ help: consider using `_what` instead
Dec 11 13:28:33.046 INFO [stderr]    |
Dec 11 13:28:33.046 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 13:28:33.046 INFO [stderr] 
Dec 11 13:28:33.047 INFO [stderr] warning: unused variable: `placeholder_display`
Dec 11 13:28:33.047 INFO [stderr]    --> src/cpu.rs:262:23
Dec 11 13:28:33.047 INFO [stderr]     |
Dec 11 13:28:33.047 INFO [stderr] 262 |     fn cls(&mut self, placeholder_display : u8 ) -> String  {
Dec 11 13:28:33.047 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: consider using `_placeholder_display` instead
Dec 11 13:28:33.047 INFO [stderr] 
Dec 11 13:28:33.048 INFO [stderr] warning: unused variable: `reg`
Dec 11 13:28:33.048 INFO [stderr]    --> src/cpu.rs:478:37
Dec 11 13:28:33.048 INFO [stderr]     |
Dec 11 13:28:33.048 INFO [stderr] 478 |     fn wait_for_keypress(&mut self, reg: usize) -> String  {
Dec 11 13:28:33.048 INFO [stderr]     |                                     ^^^ help: consider using `_reg` instead
Dec 11 13:28:33.048 INFO [stderr] 
Dec 11 13:28:33.049 INFO [stderr] warning: unused variable: `title`
Dec 11 13:28:33.049 INFO [stderr]   --> src/display.rs:30:39
Dec 11 13:28:33.049 INFO [stderr]    |
Dec 11 13:28:33.050 INFO [stderr] 30 |     pub fn new(dimension: (u32, u32), title: &str) -> Result<Self, DisplayBuildError> {
Dec 11 13:28:33.050 INFO [stderr]    |                                       ^^^^^ help: consider using `_title` instead
Dec 11 13:28:33.050 INFO [stderr] 
Dec 11 13:28:33.114 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:28:33.114 INFO [stderr]   --> src/display.rs:99:13
Dec 11 13:28:33.115 INFO [stderr]    |
Dec 11 13:28:33.115 INFO [stderr] 99 |         let mut collision = false;
Dec 11 13:28:33.115 INFO [stderr]    |             ----^^^^^^^^^
Dec 11 13:28:33.115 INFO [stderr]    |             |
Dec 11 13:28:33.116 INFO [stderr]    |             help: remove this `mut`
Dec 11 13:28:33.116 INFO [stderr]    |
Dec 11 13:28:33.124 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 13:28:33.124 INFO [stderr] 
Dec 11 13:28:33.124 INFO [stderr] warning: field is never used: `is_closing`
Dec 11 13:28:33.124 INFO [stderr]  --> src/input.rs:8:5
Dec 11 13:28:33.124 INFO [stderr]   |
Dec 11 13:28:33.124 INFO [stderr] 8 |     is_closing : bool,
Dec 11 13:28:33.124 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 13:28:33.124 INFO [stderr]   |
Dec 11 13:28:33.124 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 13:28:33.124 INFO [stderr] 
Dec 11 13:28:33.124 INFO [stderr] warning: variant is never constructed: `InvalidDimensionError`
Dec 11 13:28:33.124 INFO [stderr]   --> src/display.rs:17:5
Dec 11 13:28:33.124 INFO [stderr]    |
Dec 11 13:28:33.124 INFO [stderr] 17 |     InvalidDimensionError,
Dec 11 13:28:33.124 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:28:33.124 INFO [stderr] 
Dec 11 13:28:33.159 INFO [stderr] warning: unused import: `glium::glutin::VirtualKeyCode`
Dec 11 13:28:33.159 INFO [stderr]    --> src/cpu.rs:446:13
Dec 11 13:28:33.159 INFO [stderr]     |
Dec 11 13:28:33.159 INFO [stderr] 446 |         use glium::glutin::VirtualKeyCode;
Dec 11 13:28:33.159 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:28:33.160 INFO [stderr]     |
Dec 11 13:28:33.168 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 11 13:28:33.168 INFO [stderr] 
Dec 11 13:28:33.168 INFO [stderr] warning: unused import: `glium::glutin::VirtualKeyCode`
Dec 11 13:28:33.168 INFO [stderr]    --> src/cpu.rs:455:13
Dec 11 13:28:33.168 INFO [stderr]     |
Dec 11 13:28:33.168 INFO [stderr] 455 |         use glium::glutin::VirtualKeyCode;
Dec 11 13:28:33.168 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:28:33.168 INFO [stderr] 
Dec 11 13:28:33.168 INFO [stderr] warning: unused import: `glium::DisplayBuild`
Dec 11 13:28:33.168 INFO [stderr]  --> src/input.rs:3:5
Dec 11 13:28:33.168 INFO [stderr]   |
Dec 11 13:28:33.168 INFO [stderr] 3 | use glium::DisplayBuild;
Dec 11 13:28:33.168 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 13:28:33.168 INFO [stderr] 
Dec 11 13:28:33.168 INFO [stderr] warning: unused import: `std::thread`
Dec 11 13:28:33.168 INFO [stderr]  --> src/input.rs:4:5
Dec 11 13:28:33.168 INFO [stderr]   |
Dec 11 13:28:33.168 INFO [stderr] 4 | use std::thread;
Dec 11 13:28:33.168 INFO [stderr]   |     ^^^^^^^^^^^
Dec 11 13:28:33.168 INFO [stderr] 
Dec 11 13:28:33.168 INFO [stderr] warning: unused import: `std::time`
Dec 11 13:28:33.168 INFO [stderr]  --> src/input.rs:5:5
Dec 11 13:28:33.168 INFO [stderr]   |
Dec 11 13:28:33.168 INFO [stderr] 5 | use std::time;
Dec 11 13:28:33.168 INFO [stderr]   |     ^^^^^^^^^
Dec 11 13:28:33.168 INFO [stderr] 
Dec 11 13:28:33.168 INFO [stderr] warning: unused import: `glium::glutin`
Dec 11 13:28:33.168 INFO [stderr]  --> src/display.rs:4:5
Dec 11 13:28:33.168 INFO [stderr]   |
Dec 11 13:28:33.168 INFO [stderr] 4 | use glium::glutin;
Dec 11 13:28:33.168 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 13:28:33.168 INFO [stderr] 
Dec 11 13:28:33.168 INFO [stderr] warning: unused import: `std::path::Path`
Dec 11 13:28:33.168 INFO [stderr]  --> src/display.rs:6:5
Dec 11 13:28:33.169 INFO [stderr]   |
Dec 11 13:28:33.169 INFO [stderr] 6 | use std::path::Path;
Dec 11 13:28:33.169 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 13:28:33.169 INFO [stderr] 
Dec 11 13:28:33.169 INFO [stderr] warning: unused import: `std::fs::File`
Dec 11 13:28:33.169 INFO [stderr]  --> src/display.rs:7:5
Dec 11 13:28:33.169 INFO [stderr]   |
Dec 11 13:28:33.169 INFO [stderr] 7 | use std::fs::File;
Dec 11 13:28:33.169 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 11 13:28:33.169 INFO [stderr] 
Dec 11 13:28:33.172 INFO [stderr] warning: unused imports: `CpuError`, `Cpu`, `DecoderError`
Dec 11 13:28:33.172 INFO [stderr]  --> src/main.rs:9:11
Dec 11 13:28:33.172 INFO [stderr]   |
Dec 11 13:28:33.172 INFO [stderr] 9 | use cpu::{Cpu, DecoderError, CpuError};
Dec 11 13:28:33.172 INFO [stderr]   |           ^^^  ^^^^^^^^^^^^  ^^^^^^^^
Dec 11 13:28:33.172 INFO [stderr] 
Dec 11 13:28:33.172 INFO [stderr] warning: unused imports: `Event`, `VirtualKeyCode`
Dec 11 13:28:33.172 INFO [stderr]   --> src/main.rs:10:21
Dec 11 13:28:33.172 INFO [stderr]    |
Dec 11 13:28:33.172 INFO [stderr] 10 | use glium::glutin::{VirtualKeyCode, Event};
Dec 11 13:28:33.172 INFO [stderr]    |                     ^^^^^^^^^^^^^^  ^^^^^
Dec 11 13:28:33.172 INFO [stderr] 
Dec 11 13:28:33.308 INFO [stderr] warning: unreachable expression
Dec 11 13:28:33.308 INFO [stderr]    --> src/cpu.rs:264:9
Dec 11 13:28:33.308 INFO [stderr]     |
Dec 11 13:28:33.309 INFO [stderr] 264 |         "cls".to_string()
Dec 11 13:28:33.309 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 11 13:28:33.309 INFO [stderr]     |
Dec 11 13:28:33.309 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 11 13:28:33.316 INFO [stderr] 
Dec 11 13:28:33.360 INFO [stderr] warning: unreachable expression
Dec 11 13:28:33.360 INFO [stderr]    --> src/cpu.rs:480:9
Dec 11 13:28:33.360 INFO [stderr]     |
Dec 11 13:28:33.360 INFO [stderr] 480 |         format!("wkp {:#x}", self.regs.v[reg])
Dec 11 13:28:33.360 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:28:33.360 INFO [stderr]     |
Dec 11 13:28:33.360 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 13:28:33.360 INFO [stderr] 
Dec 11 13:28:33.444 INFO [stderr] warning: unused variable: `what`
Dec 11 13:28:33.444 INFO [stderr]   --> src/cpu.rs:75:17
Dec 11 13:28:33.444 INFO [stderr]    |
Dec 11 13:28:33.444 INFO [stderr] 75 |             Err(what) => Err(CpuError::DecoderError)
Dec 11 13:28:33.444 INFO [stderr]    |                 ^^^^ help: consider using `_what` instead
Dec 11 13:28:33.444 INFO [stderr]    |
Dec 11 13:28:33.444 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 13:28:33.444 INFO [stderr] 
Dec 11 13:28:33.444 INFO [stderr] warning: unused variable: `placeholder_display`
Dec 11 13:28:33.444 INFO [stderr]    --> src/cpu.rs:262:23
Dec 11 13:28:33.444 INFO [stderr]     |
Dec 11 13:28:33.444 INFO [stderr] 262 |     fn cls(&mut self, placeholder_display : u8 ) -> String  {
Dec 11 13:28:33.444 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: consider using `_placeholder_display` instead
Dec 11 13:28:33.444 INFO [stderr] 
Dec 11 13:28:33.444 INFO [stderr] warning: unused variable: `reg`
Dec 11 13:28:33.444 INFO [stderr]    --> src/cpu.rs:478:37
Dec 11 13:28:33.444 INFO [stderr]     |
Dec 11 13:28:33.444 INFO [stderr] 478 |     fn wait_for_keypress(&mut self, reg: usize) -> String  {
Dec 11 13:28:33.444 INFO [stderr]     |                                     ^^^ help: consider using `_reg` instead
Dec 11 13:28:33.444 INFO [stderr] 
Dec 11 13:28:33.446 INFO [stderr] warning: unused variable: `title`
Dec 11 13:28:33.446 INFO [stderr]   --> src/display.rs:30:39
Dec 11 13:28:33.446 INFO [stderr]    |
Dec 11 13:28:33.446 INFO [stderr] 30 |     pub fn new(dimension: (u32, u32), title: &str) -> Result<Self, DisplayBuildError> {
Dec 11 13:28:33.446 INFO [stderr]    |                                       ^^^^^ help: consider using `_title` instead
Dec 11 13:28:33.446 INFO [stderr] 
Dec 11 13:28:33.520 INFO [stderr] warning: variable does not need to be mutable
Dec 11 13:28:33.520 INFO [stderr]   --> src/display.rs:99:13
Dec 11 13:28:33.520 INFO [stderr]    |
Dec 11 13:28:33.520 INFO [stderr] 99 |         let mut collision = false;
Dec 11 13:28:33.520 INFO [stderr]    |             ----^^^^^^^^^
Dec 11 13:28:33.520 INFO [stderr]    |             |
Dec 11 13:28:33.520 INFO [stderr]    |             help: remove this `mut`
Dec 11 13:28:33.520 INFO [stderr]    |
Dec 11 13:28:33.520 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 13:28:33.520 INFO [stderr] 
Dec 11 13:28:33.528 INFO [stderr] warning: field is never used: `is_closing`
Dec 11 13:28:33.528 INFO [stderr]  --> src/input.rs:8:5
Dec 11 13:28:33.528 INFO [stderr]   |
Dec 11 13:28:33.528 INFO [stderr] 8 |     is_closing : bool,
Dec 11 13:28:33.528 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 11 13:28:33.528 INFO [stderr]   |
Dec 11 13:28:33.528 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 13:28:33.528 INFO [stderr] 
Dec 11 13:28:33.528 INFO [stderr] warning: variant is never constructed: `InvalidDimensionError`
Dec 11 13:28:33.528 INFO [stderr]   --> src/display.rs:17:5
Dec 11 13:28:33.528 INFO [stderr]    |
Dec 11 13:28:33.528 INFO [stderr] 17 |     InvalidDimensionError,
Dec 11 13:28:33.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 13:28:33.528 INFO [stderr] 
Dec 11 13:28:33.586 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.45s
Dec 11 13:28:33.600 INFO [stderr] su: No module specific data is present
Dec 11 13:28:34.632 INFO running `"docker" "inspect" "c78647f5e190b2f8283d21fedf7877cb2bf5bcb05cadd78283fbc937db3e3700"`
Dec 11 13:28:34.914 INFO running `"docker" "rm" "-f" "c78647f5e190b2f8283d21fedf7877cb2bf5bcb05cadd78283fbc937db3e3700"`
Dec 11 13:28:35.300 INFO [stdout] c78647f5e190b2f8283d21fedf7877cb2bf5bcb05cadd78283fbc937db3e3700