[INFO] updating cached repository https://github.com/JacobEmmersonStovall/Stove-Chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec8489d3389b1cb85513260659bd27a65c6bb917
[INFO] testing JacobEmmersonStovall/Stove-Chip8 against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacobEmmersonStovall%2FStove-Chip8" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JacobEmmersonStovall/Stove-Chip8 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JacobEmmersonStovall/Stove-Chip8
[INFO] finished tweaking git repo https://github.com/JacobEmmersonStovall/Stove-Chip8
[INFO] tweaked toml for git repo https://github.com/JacobEmmersonStovall/Stove-Chip8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/JacobEmmersonStovall/Stove-Chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0f80da28adc979a30e0699c8d9b973f76e9d7ebc3e338eabafece2ace9ae20d
[INFO] running `Command { std: "docker" "start" "-a" "c0f80da28adc979a30e0699c8d9b973f76e9d7ebc3e338eabafece2ace9ae20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0f80da28adc979a30e0699c8d9b973f76e9d7ebc3e338eabafece2ace9ae20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f80da28adc979a30e0699c8d9b973f76e9d7ebc3e338eabafece2ace9ae20d", kill_on_drop: false }`
[INFO] [stdout] c0f80da28adc979a30e0699c8d9b973f76e9d7ebc3e338eabafece2ace9ae20d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faa9be43b5482c40d7c564292b222c61eb2fe908dc72bd717761e000febed9fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "faa9be43b5482c40d7c564292b222c61eb2fe908dc72bd717761e000febed9fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling minifb v0.9.2
[INFO] [stderr]    Compiling chip8-emulator-stove v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/main.rs:36:61
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let value1 = split_mem_chunk_into_nibbles(mem.get_value((pc as usize)));
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/main.rs:37:61
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let value2 = split_mem_chunk_into_nibbles(mem.get_value(((pc+1) as usize)));
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `disp`
[INFO] [stdout]   --> src/main.rs:34:72
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn execute_instruction(mem:&memory::Memory, reg:&registers::Registers, disp:&display::Display){
[INFO] [stdout]    |                                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_disp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut display = display::Display::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_general_register_value`
[INFO] [stdout]   --> src/registers.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get_general_register_value(&self, index:usize) -> u8{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_at_stack`
[INFO] [stdout]   --> src/registers.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn peek_at_stack(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_from_stack`
[INFO] [stdout]   --> src/registers.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn pop_from_stack(&mut self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pc`
[INFO] [stdout]   --> src/registers.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_pc(&mut self, value:u16){
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_i`
[INFO] [stdout]   --> src/registers.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn set_i(&mut self, value:u16){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_i`
[INFO] [stdout]   --> src/registers.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn get_i(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_delay`
[INFO] [stdout]   --> src/registers.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_delay(&mut self, value:u8){
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_delay`
[INFO] [stdout]   --> src/registers.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn get_delay(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrement_delay`
[INFO] [stdout]   --> src/registers.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn decrement_delay(&mut self){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_sound`
[INFO] [stdout]   --> src/registers.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn set_sound(&mut self, value:u8){
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sound`
[INFO] [stdout]   --> src/registers.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn get_sound(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrement_sound`
[INFO] [stdout]   --> src/registers.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn decrement_sound(&mut self){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display_window`
[INFO] [stdout]  --> src/display.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     display_window: Window
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_display`
[INFO] [stdout]   --> src/display.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn update_display(&mut self,buffer:Vec<u32>){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_is_open`
[INFO] [stdout]   --> src/display.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn get_is_open(&self) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `returnValue` should have a snake case name
[INFO] [stdout]   --> src/registers.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let returnValue = self.stack[(self.sp as usize)];
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `return_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDisplay` should have a snake case name
[INFO] [stdout]  --> src/display.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn createDisplay() -> Window{
[INFO] [stdout]   |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `create_display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WINDOW_WIDTH` should have a snake case name
[INFO] [stdout]  --> src/display.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let WINDOW_WIDTH = 640;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `window_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WINDOW_HEIGHT` should have a snake case name
[INFO] [stdout]   --> src/display.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let WINDOW_HEIGHT = 360;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `window_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.24s
[INFO] running `Command { std: "docker" "inspect" "faa9be43b5482c40d7c564292b222c61eb2fe908dc72bd717761e000febed9fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa9be43b5482c40d7c564292b222c61eb2fe908dc72bd717761e000febed9fa", kill_on_drop: false }`
[INFO] [stdout] faa9be43b5482c40d7c564292b222c61eb2fe908dc72bd717761e000febed9fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 370a0d81d90c338d899244f957cca5509fe70a685e2befad126124421f22263d
[INFO] running `Command { std: "docker" "start" "-a" "370a0d81d90c338d899244f957cca5509fe70a685e2befad126124421f22263d", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8-emulator-stove v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/main.rs:36:61
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let value1 = split_mem_chunk_into_nibbles(mem.get_value((pc as usize)));
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/main.rs:37:61
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let value2 = split_mem_chunk_into_nibbles(mem.get_value(((pc+1) as usize)));
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `disp`
[INFO] [stdout]   --> src/main.rs:34:72
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn execute_instruction(mem:&memory::Memory, reg:&registers::Registers, disp:&display::Display){
[INFO] [stdout]    |                                                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_disp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut display = display::Display::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_general_register_value`
[INFO] [stdout]   --> src/registers.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get_general_register_value(&self, index:usize) -> u8{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_at_stack`
[INFO] [stdout]   --> src/registers.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn peek_at_stack(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_from_stack`
[INFO] [stdout]   --> src/registers.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn pop_from_stack(&mut self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pc`
[INFO] [stdout]   --> src/registers.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn set_pc(&mut self, value:u16){
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_i`
[INFO] [stdout]   --> src/registers.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn set_i(&mut self, value:u16){
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_i`
[INFO] [stdout]   --> src/registers.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn get_i(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_delay`
[INFO] [stdout]   --> src/registers.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_delay(&mut self, value:u8){
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_delay`
[INFO] [stdout]   --> src/registers.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn get_delay(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrement_delay`
[INFO] [stdout]   --> src/registers.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn decrement_delay(&mut self){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_sound`
[INFO] [stdout]   --> src/registers.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn set_sound(&mut self, value:u8){
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sound`
[INFO] [stdout]   --> src/registers.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn get_sound(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrement_sound`
[INFO] [stdout]   --> src/registers.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn decrement_sound(&mut self){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display_window`
[INFO] [stdout]  --> src/display.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     display_window: Window
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_display`
[INFO] [stdout]   --> src/display.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn update_display(&mut self,buffer:Vec<u32>){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_is_open`
[INFO] [stdout]   --> src/display.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn get_is_open(&self) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `returnValue` should have a snake case name
[INFO] [stdout]   --> src/registers.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let returnValue = self.stack[(self.sp as usize)];
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `return_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `createDisplay` should have a snake case name
[INFO] [stdout]  --> src/display.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn createDisplay() -> Window{
[INFO] [stdout]   |    ^^^^^^^^^^^^^ help: convert the identifier to snake case: `create_display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WINDOW_WIDTH` should have a snake case name
[INFO] [stdout]  --> src/display.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let WINDOW_WIDTH = 640;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `window_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WINDOW_HEIGHT` should have a snake case name
[INFO] [stdout]   --> src/display.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let WINDOW_HEIGHT = 360;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `window_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "370a0d81d90c338d899244f957cca5509fe70a685e2befad126124421f22263d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370a0d81d90c338d899244f957cca5509fe70a685e2befad126124421f22263d", kill_on_drop: false }`
[INFO] [stdout] 370a0d81d90c338d899244f957cca5509fe70a685e2befad126124421f22263d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37302006fda6eb09ba878aca7cb09a4baa8640563dd6f0de905812e4c2e99c4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37302006fda6eb09ba878aca7cb09a4baa8640563dd6f0de905812e4c2e99c4b", kill_on_drop: false }`
[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: if this is intentional, prefix it 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: associated function is never used: `get_general_register_value`
[INFO] [stderr]   --> src/registers.rs:27:12
[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: associated function is never used: `peek_at_stack`
[INFO] [stderr]   --> src/registers.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn peek_at_stack(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop_from_stack`
[INFO] [stderr]   --> src/registers.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn pop_from_stack(&mut self) -> u16 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_pc`
[INFO] [stderr]   --> src/registers.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn set_pc(&mut self, value:u16){
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_i`
[INFO] [stderr]   --> src/registers.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn set_i(&mut self, value:u16){
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_i`
[INFO] [stderr]   --> src/registers.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn get_i(&self) -> u16 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_delay`
[INFO] [stderr]   --> src/registers.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn set_delay(&mut self, value:u8){
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_delay`
[INFO] [stderr]   --> src/registers.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn get_delay(&self) -> u8 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `decrement_delay`
[INFO] [stderr]   --> src/registers.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn decrement_delay(&mut self){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_sound`
[INFO] [stderr]   --> src/registers.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn set_sound(&mut self, value:u8){
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_sound`
[INFO] [stderr]   --> src/registers.rs:94:12
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn get_sound(&self) -> u8 {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `decrement_sound`
[INFO] [stderr]   --> src/registers.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn decrement_sound(&mut self){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `display_window`
[INFO] [stderr]  --> src/display.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     display_window: Window
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update_display`
[INFO] [stderr]   --> src/display.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn update_display(&mut self,buffer:Vec<u32>){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_is_open`
[INFO] [stderr]   --> src/display.rs:26:12
[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] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8_emulator_stove-fb0bf989fac9e3a6
[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 `Command { std: "docker" "inspect" "37302006fda6eb09ba878aca7cb09a4baa8640563dd6f0de905812e4c2e99c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37302006fda6eb09ba878aca7cb09a4baa8640563dd6f0de905812e4c2e99c4b", kill_on_drop: false }`
[INFO] [stdout] 37302006fda6eb09ba878aca7cb09a4baa8640563dd6f0de905812e4c2e99c4b