[INFO] cloning repository https://github.com/nznznz42/Crisp8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nznznz42/Crisp8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnznznz42%2FCrisp8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnznznz42%2FCrisp8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0aece1f759b83c9399ccda987c2ed7affaebc7f1
[INFO] testing nznznz42/Crisp8 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnznznz42%2FCrisp8" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nznznz42/Crisp8
[INFO] finished tweaking git repo https://github.com/nznznz42/Crisp8
[INFO] tweaked toml for git repo https://github.com/nznznz42/Crisp8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nznznz42/Crisp8 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nznznz42/Crisp8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2 v0.36.0
[INFO] [stderr]   Downloaded sdl2-sys v0.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3260a7f38a2dc0d6adbafcb6834e498b81c301ea5b8a8d382d405aade5fbc435
[INFO] running `Command { std: "docker" "start" "-a" "3260a7f38a2dc0d6adbafcb6834e498b81c301ea5b8a8d382d405aade5fbc435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3260a7f38a2dc0d6adbafcb6834e498b81c301ea5b8a8d382d405aade5fbc435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3260a7f38a2dc0d6adbafcb6834e498b81c301ea5b8a8d382d405aade5fbc435", kill_on_drop: false }`
[INFO] [stdout] 3260a7f38a2dc0d6adbafcb6834e498b81c301ea5b8a8d382d405aade5fbc435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 464725b2210e824bc37e5be776a01e395e6b01e34bbd88be4bc4bfc1b831ed6e
[INFO] running `Command { std: "docker" "start" "-a" "464725b2210e824bc37e5be776a01e395e6b01e34bbd88be4bc4bfc1b831ed6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.36.0
[INFO] [stderr]    Compiling sdl2-sys v0.36.0
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling Crisp8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SCREEN_HEIGHT` and `SCREEN_WIDTH`
[INFO] [stdout]  --> src/cpu.rs:3:63
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::consts::{CHIP8_HEIGHT, CHIP8_WIDTH, PROGRAM_START, SCREEN_HEIGHT, SCREEN_WIDTH};
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cpu.rs:285:20
[INFO] [stdout]     |
[INFO] [stdout] 285 |                 if (self.i_reg + self.reg[x as usize] as u16 > 0xFFF) {
[INFO] [stdout]     |                    ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 285 -                 if (self.i_reg + self.reg[x as usize] as u16 > 0xFFF) {
[INFO] [stdout] 285 +                 if self.i_reg + self.reg[x as usize] as u16 > 0xFFF  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cpu.rs:315:21
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 let mut mem = vm.memory.borrow_mut();
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/display.rs:39:42
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn draw(&mut self, mem: &Memory, vm: &Vm) {
[INFO] [stdout]    |                                          ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `skip_instruction` is never used
[INFO] [stdout]   --> src/cpu.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Processor {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn skip_instruction(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `audio_enabled` is never read
[INFO] [stdout]  --> src/memory.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Memory {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub audio_enabled: bool
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `events` is never read
[INFO] [stdout]  --> src/keyboard.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Keyboard {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 7 |     pub events: sdl2::EventPump,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `poll` is never used
[INFO] [stdout]   --> src/keyboard.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Keyboard {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn poll(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tick` is never used
[INFO] [stdout]   --> src/vm.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Vm {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub fn tick(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/cpu.rs:137:20
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 if self.reg[x as usize] > 0xFF {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "464725b2210e824bc37e5be776a01e395e6b01e34bbd88be4bc4bfc1b831ed6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464725b2210e824bc37e5be776a01e395e6b01e34bbd88be4bc4bfc1b831ed6e", kill_on_drop: false }`
[INFO] [stdout] 464725b2210e824bc37e5be776a01e395e6b01e34bbd88be4bc4bfc1b831ed6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a40c46cc99b5fc3f4036d92d72414274e7707d2b5f96fc1c69bd2faaac44c9ae
[INFO] running `Command { std: "docker" "start" "-a" "a40c46cc99b5fc3f4036d92d72414274e7707d2b5f96fc1c69bd2faaac44c9ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling Crisp8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SCREEN_HEIGHT` and `SCREEN_WIDTH`
[INFO] [stdout]  --> src/cpu.rs:3:63
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::consts::{CHIP8_HEIGHT, CHIP8_WIDTH, PROGRAM_START, SCREEN_HEIGHT, SCREEN_WIDTH};
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cpu.rs:285:20
[INFO] [stdout]     |
[INFO] [stdout] 285 |                 if (self.i_reg + self.reg[x as usize] as u16 > 0xFFF) {
[INFO] [stdout]     |                    ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 285 -                 if (self.i_reg + self.reg[x as usize] as u16 > 0xFFF) {
[INFO] [stdout] 285 +                 if self.i_reg + self.reg[x as usize] as u16 > 0xFFF  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cpu.rs:315:21
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 let mut mem = vm.memory.borrow_mut();
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/display.rs:39:42
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn draw(&mut self, mem: &Memory, vm: &Vm) {
[INFO] [stdout]    |                                          ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `skip_instruction` is never used
[INFO] [stdout]   --> src/cpu.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Processor {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn skip_instruction(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `audio_enabled` is never read
[INFO] [stdout]  --> src/memory.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Memory {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub audio_enabled: bool
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `events` is never read
[INFO] [stdout]  --> src/keyboard.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Keyboard {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 7 |     pub events: sdl2::EventPump,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `poll` is never used
[INFO] [stdout]   --> src/keyboard.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Keyboard {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn poll(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tick` is never used
[INFO] [stdout]   --> src/vm.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Vm {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 98 |     pub fn tick(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/cpu.rs:137:20
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 if self.reg[x as usize] > 0xFF {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "a40c46cc99b5fc3f4036d92d72414274e7707d2b5f96fc1c69bd2faaac44c9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40c46cc99b5fc3f4036d92d72414274e7707d2b5f96fc1c69bd2faaac44c9ae", kill_on_drop: false }`
[INFO] [stdout] a40c46cc99b5fc3f4036d92d72414274e7707d2b5f96fc1c69bd2faaac44c9ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fda86a5ee6680564370dd764371a9e2065d0172017aeeb6b1f08c91fcafc7840
[INFO] running `Command { std: "docker" "start" "-a" "fda86a5ee6680564370dd764371a9e2065d0172017aeeb6b1f08c91fcafc7840", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `SCREEN_HEIGHT` and `SCREEN_WIDTH`
[INFO] [stderr]  --> src/cpu.rs:3:63
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::consts::{CHIP8_HEIGHT, CHIP8_WIDTH, PROGRAM_START, SCREEN_HEIGHT, SCREEN_WIDTH};
[INFO] [stderr]   |                                                               ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/cpu.rs:285:20
[INFO] [stderr]     |
[INFO] [stderr] 285 |                 if (self.i_reg + self.reg[x as usize] as u16 > 0xFFF) {
[INFO] [stderr]     |                    ^                                                ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 285 -                 if (self.i_reg + self.reg[x as usize] as u16 > 0xFFF) {
[INFO] [stderr] 285 +                 if self.i_reg + self.reg[x as usize] as u16 > 0xFFF  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:315:21
[INFO] [stderr]     |
[INFO] [stderr] 315 |                 let mut mem = vm.memory.borrow_mut();
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vm`
[INFO] [stderr]   --> src/display.rs:39:42
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn draw(&mut self, mem: &Memory, vm: &Vm) {
[INFO] [stderr]    |                                          ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `skip_instruction` is never used
[INFO] [stderr]   --> src/cpu.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Processor {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn skip_instruction(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `audio_enabled` is never read
[INFO] [stderr]  --> src/memory.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Memory {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 7 |     pub audio_enabled: bool
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `events` is never read
[INFO] [stderr]  --> src/keyboard.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Keyboard {
[INFO] [stderr]   |            -------- field in this struct
[INFO] [stderr] 7 |     pub events: sdl2::EventPump,
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `poll` is never used
[INFO] [stderr]   --> src/keyboard.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Keyboard {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn poll(&mut self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `tick` is never used
[INFO] [stderr]   --> src/vm.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Vm {
[INFO] [stderr]    | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 98 |     pub fn tick(&mut self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/cpu.rs:137:20
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 if self.reg[x as usize] > 0xFF {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `Crisp8` (bin "Crisp8" test) generated 10 warnings (run `cargo fix --bin "Crisp8" -p Crisp8 --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Crisp8-fb805cc33634f5ea)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fda86a5ee6680564370dd764371a9e2065d0172017aeeb6b1f08c91fcafc7840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda86a5ee6680564370dd764371a9e2065d0172017aeeb6b1f08c91fcafc7840", kill_on_drop: false }`
[INFO] [stdout] fda86a5ee6680564370dd764371a9e2065d0172017aeeb6b1f08c91fcafc7840
