Dec 01 09:00:01.907 INFO testing mmiecz/chip8-rust against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 09:00:01.907 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 09:00:02.293 INFO [stdout] 6a5952b1b158b147f4edd92da8dc3fbefcfc8a60d82e8c73d1c11531d0fd094f
Dec 01 09:00:02.293 INFO running `"docker" "start" "-a" "6a5952b1b158b147f4edd92da8dc3fbefcfc8a60d82e8c73d1c11531d0fd094f"`
Dec 01 09:00:03.307 INFO [stderr] usermod: no changes
Dec 01 09:00:03.503 INFO [stderr]    Compiling serde v0.8.22
Dec 01 09:00:03.503 INFO [stderr]    Compiling rand v0.3.15
Dec 01 09:00:03.506 INFO [stderr]    Compiling shared_library v0.1.5
Dec 01 09:00:03.506 INFO [stderr]    Compiling x11-dl v2.12.0
Dec 01 09:00:03.506 INFO [stderr]    Compiling backtrace-sys v0.1.5
Dec 01 09:00:03.507 INFO [stderr]    Compiling wayland-scanner v0.7.6
Dec 01 09:00:03.507 INFO [stderr]    Compiling glutin v0.7.2
Dec 01 09:00:03.507 INFO [stderr]    Compiling glium v0.16.0
Dec 01 09:00:06.607 INFO [stderr]    Compiling fs2 v0.2.5
Dec 01 09:00:06.889 INFO [stderr]    Compiling osmesa-sys v0.1.2
Dec 01 09:00:10.859 INFO [stderr]    Compiling memmap v0.4.0
Dec 01 09:00:10.863 INFO [stderr]    Compiling wayland-client v0.7.6
Dec 01 09:00:11.031 INFO [stderr]    Compiling phf_generator v0.7.20
Dec 01 09:00:11.111 INFO [stderr]    Compiling tempfile v2.1.4
Dec 01 09:00:12.363 INFO [stderr]    Compiling phf_codegen v0.7.20
Dec 01 09:00:14.126 INFO [stderr]    Compiling backtrace v0.2.3
Dec 01 09:00:14.139 INFO [stderr]    Compiling target_build_utils v0.1.2
Dec 01 09:00:19.849 INFO [stderr]    Compiling serde_json v0.8.4
Dec 01 09:00:32.134 INFO [stderr]    Compiling libloading v0.3.1
Dec 01 09:00:35.023 INFO [stderr]    Compiling dlib v0.3.1
Dec 01 09:00:35.323 INFO [stderr]    Compiling wayland-sys v0.7.6
Dec 01 09:00:38.792 INFO [stderr]    Compiling wayland-kbd v0.6.2
Dec 01 09:00:38.792 INFO [stderr]    Compiling wayland-window v0.4.3
Dec 01 09:00:41.180 INFO [stderr]    Compiling winit v0.5.7
Dec 01 09:01:20.618 INFO [stderr]    Compiling chip8-rust v0.1.0 (/source)
Dec 01 09:01:21.455 INFO [stderr] warning: unused import: `glium::glutin::VirtualKeyCode`
Dec 01 09:01:21.455 INFO [stderr]    --> src/cpu.rs:446:13
Dec 01 09:01:21.456 INFO [stderr]     |
Dec 01 09:01:21.456 INFO [stderr] 446 |         use glium::glutin::VirtualKeyCode;
Dec 01 09:01:21.456 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 09:01:21.457 INFO [stderr]     |
Dec 01 09:01:21.457 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 01 09:01:21.457 INFO [stderr] 
Dec 01 09:01:21.457 INFO [stderr] warning: unused import: `glium::glutin::VirtualKeyCode`
Dec 01 09:01:21.458 INFO [stderr]    --> src/cpu.rs:455:13
Dec 01 09:01:21.458 INFO [stderr]     |
Dec 01 09:01:21.458 INFO [stderr] 455 |         use glium::glutin::VirtualKeyCode;
Dec 01 09:01:21.458 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 09:01:21.458 INFO [stderr] 
Dec 01 09:01:21.459 INFO [stderr] warning: unused import: `glium::DisplayBuild`
Dec 01 09:01:21.459 INFO [stderr]  --> src/input.rs:3:5
Dec 01 09:01:21.459 INFO [stderr]   |
Dec 01 09:01:21.460 INFO [stderr] 3 | use glium::DisplayBuild;
Dec 01 09:01:21.460 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 01 09:01:21.460 INFO [stderr] 
Dec 01 09:01:21.460 INFO [stderr] warning: unused import: `std::thread`
Dec 01 09:01:21.461 INFO [stderr]  --> src/input.rs:4:5
Dec 01 09:01:21.461 INFO [stderr]   |
Dec 01 09:01:21.461 INFO [stderr] 4 | use std::thread;
Dec 01 09:01:21.461 INFO [stderr]   |     ^^^^^^^^^^^
Dec 01 09:01:21.461 INFO [stderr] 
Dec 01 09:01:21.461 INFO [stderr] warning: unused import: `std::time`
Dec 01 09:01:21.461 INFO [stderr]  --> src/input.rs:5:5
Dec 01 09:01:21.461 INFO [stderr]   |
Dec 01 09:01:21.461 INFO [stderr] 5 | use std::time;
Dec 01 09:01:21.461 INFO [stderr]   |     ^^^^^^^^^
Dec 01 09:01:21.461 INFO [stderr] 
Dec 01 09:01:21.461 INFO [stderr] warning: unused import: `glium::glutin`
Dec 01 09:01:21.461 INFO [stderr]  --> src/display.rs:4:5
Dec 01 09:01:21.461 INFO [stderr]   |
Dec 01 09:01:21.461 INFO [stderr] 4 | use glium::glutin;
Dec 01 09:01:21.461 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 01 09:01:21.461 INFO [stderr] 
Dec 01 09:01:21.461 INFO [stderr] warning: unused import: `std::path::Path`
Dec 01 09:01:21.461 INFO [stderr]  --> src/display.rs:6:5
Dec 01 09:01:21.461 INFO [stderr]   |
Dec 01 09:01:21.461 INFO [stderr] 6 | use std::path::Path;
Dec 01 09:01:21.462 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 01 09:01:21.462 INFO [stderr] 
Dec 01 09:01:21.462 INFO [stderr] warning: unused import: `std::fs::File`
Dec 01 09:01:21.462 INFO [stderr]  --> src/display.rs:7:5
Dec 01 09:01:21.462 INFO [stderr]   |
Dec 01 09:01:21.462 INFO [stderr] 7 | use std::fs::File;
Dec 01 09:01:21.462 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 01 09:01:21.462 INFO [stderr] 
Dec 01 09:01:21.467 INFO [stderr] warning: unused imports: `CpuError`, `Cpu`, `DecoderError`
Dec 01 09:01:21.467 INFO [stderr]  --> src/main.rs:9:11
Dec 01 09:01:21.467 INFO [stderr]   |
Dec 01 09:01:21.467 INFO [stderr] 9 | use cpu::{Cpu, DecoderError, CpuError};
Dec 01 09:01:21.467 INFO [stderr]   |           ^^^  ^^^^^^^^^^^^  ^^^^^^^^
Dec 01 09:01:21.467 INFO [stderr] 
Dec 01 09:01:21.467 INFO [stderr] warning: unused imports: `Event`, `VirtualKeyCode`
Dec 01 09:01:21.467 INFO [stderr]   --> src/main.rs:10:21
Dec 01 09:01:21.467 INFO [stderr]    |
Dec 01 09:01:21.467 INFO [stderr] 10 | use glium::glutin::{VirtualKeyCode, Event};
Dec 01 09:01:21.467 INFO [stderr]    |                     ^^^^^^^^^^^^^^  ^^^^^
Dec 01 09:01:21.467 INFO [stderr] 
Dec 01 09:01:21.585 INFO [stderr] warning: unreachable expression
Dec 01 09:01:21.586 INFO [stderr]    --> src/cpu.rs:264:9
Dec 01 09:01:21.586 INFO [stderr]     |
Dec 01 09:01:21.586 INFO [stderr] 264 |         "cls".to_string()
Dec 01 09:01:21.586 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 01 09:01:21.586 INFO [stderr]     |
Dec 01 09:01:21.586 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 01 09:01:21.586 INFO [stderr] 
Dec 01 09:01:21.636 INFO [stderr] warning: unreachable expression
Dec 01 09:01:21.636 INFO [stderr]    --> src/cpu.rs:480:9
Dec 01 09:01:21.636 INFO [stderr]     |
Dec 01 09:01:21.636 INFO [stderr] 480 |         format!("wkp {:#x}", self.regs.v[reg])
Dec 01 09:01:21.636 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 09:01:21.636 INFO [stderr]     |
Dec 01 09:01:21.636 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 01 09:01:21.636 INFO [stderr] 
Dec 01 09:01:21.724 INFO [stderr] warning: unused variable: `what`
Dec 01 09:01:21.724 INFO [stderr]   --> src/cpu.rs:75:17
Dec 01 09:01:21.724 INFO [stderr]    |
Dec 01 09:01:21.724 INFO [stderr] 75 |             Err(what) => Err(CpuError::DecoderError)
Dec 01 09:01:21.724 INFO [stderr]    |                 ^^^^ help: consider using `_what` instead
Dec 01 09:01:21.724 INFO [stderr]    |
Dec 01 09:01:21.724 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 09:01:21.724 INFO [stderr] 
Dec 01 09:01:21.724 INFO [stderr] warning: unused variable: `placeholder_display`
Dec 01 09:01:21.724 INFO [stderr]    --> src/cpu.rs:262:23
Dec 01 09:01:21.724 INFO [stderr]     |
Dec 01 09:01:21.724 INFO [stderr] 262 |     fn cls(&mut self, placeholder_display : u8 ) -> String  {
Dec 01 09:01:21.724 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: consider using `_placeholder_display` instead
Dec 01 09:01:21.724 INFO [stderr] 
Dec 01 09:01:21.724 INFO [stderr] warning: unused variable: `reg`
Dec 01 09:01:21.724 INFO [stderr]    --> src/cpu.rs:478:37
Dec 01 09:01:21.725 INFO [stderr]     |
Dec 01 09:01:21.725 INFO [stderr] 478 |     fn wait_for_keypress(&mut self, reg: usize) -> String  {
Dec 01 09:01:21.725 INFO [stderr]     |                                     ^^^ help: consider using `_reg` instead
Dec 01 09:01:21.725 INFO [stderr] 
Dec 01 09:01:21.725 INFO [stderr] warning: unused variable: `title`
Dec 01 09:01:21.725 INFO [stderr]   --> src/display.rs:30:39
Dec 01 09:01:21.725 INFO [stderr]    |
Dec 01 09:01:21.725 INFO [stderr] 30 |     pub fn new(dimension: (u32, u32), title: &str) -> Result<Self, DisplayBuildError> {
Dec 01 09:01:21.725 INFO [stderr]    |                                       ^^^^^ help: consider using `_title` instead
Dec 01 09:01:21.725 INFO [stderr] 
Dec 01 09:01:21.796 INFO [stderr] warning: variable does not need to be mutable
Dec 01 09:01:21.796 INFO [stderr]   --> src/display.rs:99:13
Dec 01 09:01:21.796 INFO [stderr]    |
Dec 01 09:01:21.796 INFO [stderr] 99 |         let mut collision = false;
Dec 01 09:01:21.796 INFO [stderr]    |             ----^^^^^^^^^
Dec 01 09:01:21.796 INFO [stderr]    |             |
Dec 01 09:01:21.796 INFO [stderr]    |             help: remove this `mut`
Dec 01 09:01:21.796 INFO [stderr]    |
Dec 01 09:01:21.796 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 09:01:21.796 INFO [stderr] 
Dec 01 09:01:21.802 INFO [stderr] warning: field is never used: `is_closing`
Dec 01 09:01:21.803 INFO [stderr]  --> src/input.rs:8:5
Dec 01 09:01:21.803 INFO [stderr]   |
Dec 01 09:01:21.803 INFO [stderr] 8 |     is_closing : bool,
Dec 01 09:01:21.803 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 09:01:21.803 INFO [stderr]   |
Dec 01 09:01:21.803 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 09:01:21.803 INFO [stderr] 
Dec 01 09:01:21.803 INFO [stderr] warning: variant is never constructed: `InvalidDimensionError`
Dec 01 09:01:21.803 INFO [stderr]   --> src/display.rs:17:5
Dec 01 09:01:21.803 INFO [stderr]    |
Dec 01 09:01:21.803 INFO [stderr] 17 |     InvalidDimensionError,
Dec 01 09:01:21.803 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 09:01:21.803 INFO [stderr] 
Dec 01 09:01:26.822 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
Dec 01 09:01:26.833 INFO [stderr] su: No module specific data is present
Dec 01 09:01:28.751 INFO running `"docker" "inspect" "6a5952b1b158b147f4edd92da8dc3fbefcfc8a60d82e8c73d1c11531d0fd094f"`
Dec 01 09:01:29.063 INFO running `"docker" "rm" "-f" "6a5952b1b158b147f4edd92da8dc3fbefcfc8a60d82e8c73d1c11531d0fd094f"`
Dec 01 09:01:29.459 INFO [stdout] 6a5952b1b158b147f4edd92da8dc3fbefcfc8a60d82e8c73d1c11531d0fd094f
Dec 01 09:01:29.461 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 09:01:29.919 INFO [stdout] 38dc06b90e7ab378e847d4d35c96ffe299d773bd6145e421b7d5186b77d0876f
Dec 01 09:01:29.925 INFO running `"docker" "start" "-a" "38dc06b90e7ab378e847d4d35c96ffe299d773bd6145e421b7d5186b77d0876f"`
Dec 01 09:01:31.563 INFO [stderr] usermod: no changes
Dec 01 09:01:31.767 INFO [stderr]    Compiling chip8-rust v0.1.0 (/source)
Dec 01 09:01:32.615 INFO [stderr] warning: unused import: `glium::glutin::VirtualKeyCode`
Dec 01 09:01:32.615 INFO [stderr]    --> src/cpu.rs:446:13
Dec 01 09:01:32.615 INFO [stderr]     |
Dec 01 09:01:32.616 INFO [stderr] 446 |         use glium::glutin::VirtualKeyCode;
Dec 01 09:01:32.616 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 09:01:32.616 INFO [stderr]     |
Dec 01 09:01:32.617 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 01 09:01:32.617 INFO [stderr] 
Dec 01 09:01:32.617 INFO [stderr] warning: unused import: `glium::glutin::VirtualKeyCode`
Dec 01 09:01:32.618 INFO [stderr]    --> src/cpu.rs:455:13
Dec 01 09:01:32.618 INFO [stderr]     |
Dec 01 09:01:32.618 INFO [stderr] 455 |         use glium::glutin::VirtualKeyCode;
Dec 01 09:01:32.618 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 09:01:32.619 INFO [stderr] 
Dec 01 09:01:32.619 INFO [stderr] warning: unused import: `glium::DisplayBuild`
Dec 01 09:01:32.619 INFO [stderr]  --> src/input.rs:3:5
Dec 01 09:01:32.619 INFO [stderr]   |
Dec 01 09:01:32.619 INFO [stderr] 3 | use glium::DisplayBuild;
Dec 01 09:01:32.619 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 01 09:01:32.619 INFO [stderr] 
Dec 01 09:01:32.619 INFO [stderr] warning: unused import: `std::thread`
Dec 01 09:01:32.619 INFO [stderr]  --> src/input.rs:4:5
Dec 01 09:01:32.619 INFO [stderr]   |
Dec 01 09:01:32.619 INFO [stderr] 4 | use std::thread;
Dec 01 09:01:32.619 INFO [stderr]   |     ^^^^^^^^^^^
Dec 01 09:01:32.619 INFO [stderr] 
Dec 01 09:01:32.619 INFO [stderr] warning: unused import: `std::time`
Dec 01 09:01:32.619 INFO [stderr]  --> src/input.rs:5:5
Dec 01 09:01:32.619 INFO [stderr]   |
Dec 01 09:01:32.619 INFO [stderr] 5 | use std::time;
Dec 01 09:01:32.619 INFO [stderr]   |     ^^^^^^^^^
Dec 01 09:01:32.619 INFO [stderr] 
Dec 01 09:01:32.619 INFO [stderr] warning: unused import: `glium::glutin`
Dec 01 09:01:32.619 INFO [stderr]  --> src/display.rs:4:5
Dec 01 09:01:32.619 INFO [stderr]   |
Dec 01 09:01:32.620 INFO [stderr] 4 | use glium::glutin;
Dec 01 09:01:32.620 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 01 09:01:32.620 INFO [stderr] 
Dec 01 09:01:32.620 INFO [stderr] warning: unused import: `std::path::Path`
Dec 01 09:01:32.620 INFO [stderr]  --> src/display.rs:6:5
Dec 01 09:01:32.620 INFO [stderr]   |
Dec 01 09:01:32.620 INFO [stderr] 6 | use std::path::Path;
Dec 01 09:01:32.620 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 01 09:01:32.620 INFO [stderr] 
Dec 01 09:01:32.620 INFO [stderr] warning: unused import: `std::fs::File`
Dec 01 09:01:32.620 INFO [stderr]  --> src/display.rs:7:5
Dec 01 09:01:32.620 INFO [stderr]   |
Dec 01 09:01:32.620 INFO [stderr] 7 | use std::fs::File;
Dec 01 09:01:32.620 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 01 09:01:32.620 INFO [stderr] 
Dec 01 09:01:32.620 INFO [stderr] warning: unused imports: `CpuError`, `Cpu`, `DecoderError`
Dec 01 09:01:32.620 INFO [stderr]  --> src/main.rs:9:11
Dec 01 09:01:32.620 INFO [stderr]   |
Dec 01 09:01:32.620 INFO [stderr] 9 | use cpu::{Cpu, DecoderError, CpuError};
Dec 01 09:01:32.620 INFO [stderr]   |           ^^^  ^^^^^^^^^^^^  ^^^^^^^^
Dec 01 09:01:32.620 INFO [stderr] 
Dec 01 09:01:32.620 INFO [stderr] warning: unused imports: `Event`, `VirtualKeyCode`
Dec 01 09:01:32.620 INFO [stderr]   --> src/main.rs:10:21
Dec 01 09:01:32.620 INFO [stderr]    |
Dec 01 09:01:32.620 INFO [stderr] 10 | use glium::glutin::{VirtualKeyCode, Event};
Dec 01 09:01:32.620 INFO [stderr]    |                     ^^^^^^^^^^^^^^  ^^^^^
Dec 01 09:01:32.620 INFO [stderr] 
Dec 01 09:01:32.771 INFO [stderr] warning: unreachable expression
Dec 01 09:01:32.771 INFO [stderr]    --> src/cpu.rs:264:9
Dec 01 09:01:32.771 INFO [stderr]     |
Dec 01 09:01:32.771 INFO [stderr] 264 |         "cls".to_string()
Dec 01 09:01:32.771 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Dec 01 09:01:32.771 INFO [stderr]     |
Dec 01 09:01:32.771 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 01 09:01:32.771 INFO [stderr] 
Dec 01 09:01:32.823 INFO [stderr] warning: unreachable expression
Dec 01 09:01:32.823 INFO [stderr]    --> src/cpu.rs:480:9
Dec 01 09:01:32.823 INFO [stderr]     |
Dec 01 09:01:32.823 INFO [stderr] 480 |         format!("wkp {:#x}", self.regs.v[reg])
Dec 01 09:01:32.823 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 09:01:32.823 INFO [stderr]     |
Dec 01 09:01:32.823 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 01 09:01:32.823 INFO [stderr] 
Dec 01 09:01:32.915 INFO [stderr] warning: unused variable: `what`
Dec 01 09:01:32.915 INFO [stderr]   --> src/cpu.rs:75:17
Dec 01 09:01:32.915 INFO [stderr]    |
Dec 01 09:01:32.915 INFO [stderr] 75 |             Err(what) => Err(CpuError::DecoderError)
Dec 01 09:01:32.915 INFO [stderr]    |                 ^^^^ help: consider using `_what` instead
Dec 01 09:01:32.915 INFO [stderr]    |
Dec 01 09:01:32.915 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 09:01:32.915 INFO [stderr] 
Dec 01 09:01:32.915 INFO [stderr] warning: unused variable: `placeholder_display`
Dec 01 09:01:32.915 INFO [stderr]    --> src/cpu.rs:262:23
Dec 01 09:01:32.915 INFO [stderr]     |
Dec 01 09:01:32.915 INFO [stderr] 262 |     fn cls(&mut self, placeholder_display : u8 ) -> String  {
Dec 01 09:01:32.915 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: consider using `_placeholder_display` instead
Dec 01 09:01:32.915 INFO [stderr] 
Dec 01 09:01:32.915 INFO [stderr] warning: unused variable: `reg`
Dec 01 09:01:32.915 INFO [stderr]    --> src/cpu.rs:478:37
Dec 01 09:01:32.915 INFO [stderr]     |
Dec 01 09:01:32.915 INFO [stderr] 478 |     fn wait_for_keypress(&mut self, reg: usize) -> String  {
Dec 01 09:01:32.915 INFO [stderr]     |                                     ^^^ help: consider using `_reg` instead
Dec 01 09:01:32.915 INFO [stderr] 
Dec 01 09:01:32.915 INFO [stderr] warning: unused variable: `title`
Dec 01 09:01:32.915 INFO [stderr]   --> src/display.rs:30:39
Dec 01 09:01:32.915 INFO [stderr]    |
Dec 01 09:01:32.915 INFO [stderr] 30 |     pub fn new(dimension: (u32, u32), title: &str) -> Result<Self, DisplayBuildError> {
Dec 01 09:01:32.915 INFO [stderr]    |                                       ^^^^^ help: consider using `_title` instead
Dec 01 09:01:32.915 INFO [stderr] 
Dec 01 09:01:32.987 INFO [stderr] warning: variable does not need to be mutable
Dec 01 09:01:32.987 INFO [stderr]   --> src/display.rs:99:13
Dec 01 09:01:32.987 INFO [stderr]    |
Dec 01 09:01:32.987 INFO [stderr] 99 |         let mut collision = false;
Dec 01 09:01:32.987 INFO [stderr]    |             ----^^^^^^^^^
Dec 01 09:01:32.987 INFO [stderr]    |             |
Dec 01 09:01:32.987 INFO [stderr]    |             help: remove this `mut`
Dec 01 09:01:32.987 INFO [stderr]    |
Dec 01 09:01:32.987 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 01 09:01:32.987 INFO [stderr] 
Dec 01 09:01:32.999 INFO [stderr] warning: field is never used: `is_closing`
Dec 01 09:01:32.999 INFO [stderr]  --> src/input.rs:8:5
Dec 01 09:01:32.999 INFO [stderr]   |
Dec 01 09:01:32.999 INFO [stderr] 8 |     is_closing : bool,
Dec 01 09:01:32.999 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 01 09:01:32.999 INFO [stderr]   |
Dec 01 09:01:32.999 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 01 09:01:32.999 INFO [stderr] 
Dec 01 09:01:32.999 INFO [stderr] warning: variant is never constructed: `InvalidDimensionError`
Dec 01 09:01:32.999 INFO [stderr]   --> src/display.rs:17:5
Dec 01 09:01:32.999 INFO [stderr]    |
Dec 01 09:01:32.999 INFO [stderr] 17 |     InvalidDimensionError,
Dec 01 09:01:32.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 09:01:32.999 INFO [stderr] 
Dec 01 09:01:33.511 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
Dec 01 09:01:33.535 INFO [stderr] su: No module specific data is present
Dec 01 09:01:34.473 INFO running `"docker" "inspect" "38dc06b90e7ab378e847d4d35c96ffe299d773bd6145e421b7d5186b77d0876f"`
Dec 01 09:01:34.815 INFO running `"docker" "rm" "-f" "38dc06b90e7ab378e847d4d35c96ffe299d773bd6145e421b7d5186b77d0876f"`
Dec 01 09:01:35.123 INFO [stdout] 38dc06b90e7ab378e847d4d35c96ffe299d773bd6145e421b7d5186b77d0876f
Dec 01 09:01:35.129 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 09:01:35.651 INFO [stdout] 8ca8eb7bc3286a3b2fc804870e61e828d513ddb3d4eb71a4dff57a956ec22ac9
Dec 01 09:01:35.658 INFO running `"docker" "start" "-a" "8ca8eb7bc3286a3b2fc804870e61e828d513ddb3d4eb71a4dff57a956ec22ac9"`
Dec 01 09:01:37.051 INFO [stderr] usermod: no changes
Dec 01 09:01:37.239 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
Dec 01 09:01:37.249 INFO [stderr]      Running /target/debug/deps/chip8_rust-0b367c24b13fe414
Dec 01 09:01:37.256 INFO [stdout] 
Dec 01 09:01:37.256 INFO [stdout] running 0 tests
Dec 01 09:01:37.256 INFO [stdout] 
Dec 01 09:01:37.257 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 09:01:37.257 INFO [stdout] 
Dec 01 09:01:37.261 INFO [stderr] su: No module specific data is present
Dec 01 09:01:38.363 INFO running `"docker" "inspect" "8ca8eb7bc3286a3b2fc804870e61e828d513ddb3d4eb71a4dff57a956ec22ac9"`
Dec 01 09:01:38.679 INFO running `"docker" "rm" "-f" "8ca8eb7bc3286a3b2fc804870e61e828d513ddb3d4eb71a4dff57a956ec22ac9"`
Dec 01 09:01:38.963 INFO [stdout] 8ca8eb7bc3286a3b2fc804870e61e828d513ddb3d4eb71a4dff57a956ec22ac9
