[INFO] updating cached repository JacobEmmersonStovall/Stove-Chip8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JacobEmmersonStovall/Stove-Chip8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JacobEmmersonStovall/Stove-Chip8" "work/ex/beta-1.38-1/sources/1.37.0/gh/JacobEmmersonStovall/Stove-Chip8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JacobEmmersonStovall/Stove-Chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JacobEmmersonStovall/Stove-Chip8" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JacobEmmersonStovall/Stove-Chip8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JacobEmmersonStovall/Stove-Chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec8489d3389b1cb85513260659bd27a65c6bb917
[INFO] sha for GitHub repo JacobEmmersonStovall/Stove-Chip8: ec8489d3389b1cb85513260659bd27a65c6bb917
[INFO] validating manifest of JacobEmmersonStovall/Stove-Chip8 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JacobEmmersonStovall/Stove-Chip8 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JacobEmmersonStovall/Stove-Chip8
[INFO] finished frobbing JacobEmmersonStovall/Stove-Chip8
[INFO] frobbed toml for JacobEmmersonStovall/Stove-Chip8 written to work/ex/beta-1.38-1/sources/1.37.0/gh/JacobEmmersonStovall/Stove-Chip8/Cargo.toml
[INFO] started frobbing JacobEmmersonStovall/Stove-Chip8
[INFO] finished frobbing JacobEmmersonStovall/Stove-Chip8
[INFO] frobbed toml for JacobEmmersonStovall/Stove-Chip8 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JacobEmmersonStovall/Stove-Chip8/Cargo.toml
[INFO] crate JacobEmmersonStovall/Stove-Chip8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing JacobEmmersonStovall/Stove-Chip8 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JacobEmmersonStovall/Stove-Chip8:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] bcedbf8de0772fdcbfad3404e4efa94535fa1b956a91a1109649cd6d144f3e28
[INFO] running `"docker" "start" "-a" "bcedbf8de0772fdcbfad3404e4efa94535fa1b956a91a1109649cd6d144f3e28"`
[INFO] [stderr]    Compiling minifb v0.9.2
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling chip8-emulator-stove v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/main.rs:36:61
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let value1 = split_mem_chunk_into_nibbles(mem.get_value((pc as usize)));
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/main.rs:37:61
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let value2 = split_mem_chunk_into_nibbles(mem.get_value(((pc+1) as usize)));
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `disp`
[INFO] [stderr]   --> src/main.rs:34:72
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn execute_instruction(mem:&memory::Memory, reg:&registers::Registers, disp:&display::Display){
[INFO] [stderr]    |                                                                        ^^^^ help: consider prefixing with an underscore: `_disp`
[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/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut display = display::Display::new();
[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: method is never used: `get_general_register_value`
[INFO] [stderr]   --> src/registers.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn get_general_register_value(&self, index:usize) -> u8{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek_at_stack`
[INFO] [stderr]   --> src/registers.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn peek_at_stack(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_from_stack`
[INFO] [stderr]   --> src/registers.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn pop_from_stack(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_pc`
[INFO] [stderr]   --> src/registers.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_pc(&mut self, value:u16){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_i`
[INFO] [stderr]   --> src/registers.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn set_i(&mut self, value:u16){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_i`
[INFO] [stderr]   --> src/registers.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn get_i(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_delay`
[INFO] [stderr]   --> src/registers.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn set_delay(&mut self, value:u8){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_delay`
[INFO] [stderr]   --> src/registers.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn get_delay(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decrement_delay`
[INFO] [stderr]   --> src/registers.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn decrement_delay(&mut self){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_sound`
[INFO] [stderr]   --> src/registers.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn set_sound(&mut self, value:u8){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_sound`
[INFO] [stderr]   --> src/registers.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn get_sound(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decrement_sound`
[INFO] [stderr]   --> src/registers.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn decrement_sound(&mut self){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `display_window`
[INFO] [stderr]  --> src/display.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     display_window: Window
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_display`
[INFO] [stderr]   --> src/display.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn update_display(&mut self,buffer:Vec<u32>){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_is_open`
[INFO] [stderr]   --> src/display.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn get_is_open(&self) -> bool{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `returnValue` should have a snake case name
[INFO] [stderr]   --> src/registers.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let returnValue = self.stack[(self.sp as usize)];
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `return_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `createDisplay` should have a snake case name
[INFO] [stderr]  --> src/display.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn createDisplay() -> Window{
[INFO] [stderr]   |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `create_display`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WINDOW_WIDTH` should have a snake case name
[INFO] [stderr]  --> src/display.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let WINDOW_WIDTH = 640;
[INFO] [stderr]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `window_width`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WINDOW_HEIGHT` should have a snake case name
[INFO] [stderr]   --> src/display.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let WINDOW_HEIGHT = 360;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `window_height`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `"docker" "inspect" "bcedbf8de0772fdcbfad3404e4efa94535fa1b956a91a1109649cd6d144f3e28"`
[INFO] running `"docker" "rm" "-f" "bcedbf8de0772fdcbfad3404e4efa94535fa1b956a91a1109649cd6d144f3e28"`
[INFO] [stdout] bcedbf8de0772fdcbfad3404e4efa94535fa1b956a91a1109649cd6d144f3e28
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JacobEmmersonStovall/Stove-Chip8:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3e55b6ed7fcf26522f7702d75afcf738fdb129df04ca3d881f75e1d733c3efb0
[INFO] running `"docker" "start" "-a" "3e55b6ed7fcf26522f7702d75afcf738fdb129df04ca3d881f75e1d733c3efb0"`
[INFO] [stderr]    Compiling chip8-emulator-stove v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/main.rs:36:61
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let value1 = split_mem_chunk_into_nibbles(mem.get_value((pc as usize)));
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/main.rs:37:61
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let value2 = split_mem_chunk_into_nibbles(mem.get_value(((pc+1) as usize)));
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `disp`
[INFO] [stderr]   --> src/main.rs:34:72
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn execute_instruction(mem:&memory::Memory, reg:&registers::Registers, disp:&display::Display){
[INFO] [stderr]    |                                                                        ^^^^ help: consider prefixing with an underscore: `_disp`
[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/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut display = display::Display::new();
[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: method is never used: `get_general_register_value`
[INFO] [stderr]   --> src/registers.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn get_general_register_value(&self, index:usize) -> u8{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek_at_stack`
[INFO] [stderr]   --> src/registers.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn peek_at_stack(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_from_stack`
[INFO] [stderr]   --> src/registers.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn pop_from_stack(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_pc`
[INFO] [stderr]   --> src/registers.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_pc(&mut self, value:u16){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_i`
[INFO] [stderr]   --> src/registers.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn set_i(&mut self, value:u16){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_i`
[INFO] [stderr]   --> src/registers.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn get_i(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_delay`
[INFO] [stderr]   --> src/registers.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn set_delay(&mut self, value:u8){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_delay`
[INFO] [stderr]   --> src/registers.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn get_delay(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decrement_delay`
[INFO] [stderr]   --> src/registers.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn decrement_delay(&mut self){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_sound`
[INFO] [stderr]   --> src/registers.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn set_sound(&mut self, value:u8){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_sound`
[INFO] [stderr]   --> src/registers.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn get_sound(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decrement_sound`
[INFO] [stderr]   --> src/registers.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn decrement_sound(&mut self){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `display_window`
[INFO] [stderr]  --> src/display.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     display_window: Window
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_display`
[INFO] [stderr]   --> src/display.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn update_display(&mut self,buffer:Vec<u32>){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_is_open`
[INFO] [stderr]   --> src/display.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn get_is_open(&self) -> bool{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `returnValue` should have a snake case name
[INFO] [stderr]   --> src/registers.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let returnValue = self.stack[(self.sp as usize)];
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `return_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `createDisplay` should have a snake case name
[INFO] [stderr]  --> src/display.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn createDisplay() -> Window{
[INFO] [stderr]   |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `create_display`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WINDOW_WIDTH` should have a snake case name
[INFO] [stderr]  --> src/display.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let WINDOW_WIDTH = 640;
[INFO] [stderr]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `window_width`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WINDOW_HEIGHT` should have a snake case name
[INFO] [stderr]   --> src/display.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let WINDOW_HEIGHT = 360;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `window_height`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "3e55b6ed7fcf26522f7702d75afcf738fdb129df04ca3d881f75e1d733c3efb0"`
[INFO] running `"docker" "rm" "-f" "3e55b6ed7fcf26522f7702d75afcf738fdb129df04ca3d881f75e1d733c3efb0"`
[INFO] [stdout] 3e55b6ed7fcf26522f7702d75afcf738fdb129df04ca3d881f75e1d733c3efb0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JacobEmmersonStovall/Stove-Chip8:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 8039660abe76496962aed98f54d95cf7306f27b30a1ff129a8f958c357770996
[INFO] running `"docker" "start" "-a" "8039660abe76496962aed98f54d95cf7306f27b30a1ff129a8f958c357770996"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chip8_emulator_stove-063f687e19e1c187
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8039660abe76496962aed98f54d95cf7306f27b30a1ff129a8f958c357770996"`
[INFO] running `"docker" "rm" "-f" "8039660abe76496962aed98f54d95cf7306f27b30a1ff129a8f958c357770996"`
[INFO] [stdout] 8039660abe76496962aed98f54d95cf7306f27b30a1ff129a8f958c357770996