[INFO] cloning repository https://github.com/BearzRobotics/zemulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BearzRobotics/zemulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearzRobotics%2Fzemulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearzRobotics%2Fzemulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7e7382dcfa177bdcca8e8e3c509bb725b7d20f5
[INFO] checking BearzRobotics/zemulator against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBearzRobotics%2Fzemulator" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BearzRobotics/zemulator on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BearzRobotics/zemulator
[INFO] finished tweaking git repo https://github.com/BearzRobotics/zemulator
[INFO] tweaked toml for git repo https://github.com/BearzRobotics/zemulator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/BearzRobotics/zemulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded orbclient v0.3.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 63cd6beb3130cdad62f6002a899f46ad0016c650d63734fb2ed7baabcfc2e2bf
[INFO] running `Command { std: "docker" "start" "-a" "63cd6beb3130cdad62f6002a899f46ad0016c650d63734fb2ed7baabcfc2e2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63cd6beb3130cdad62f6002a899f46ad0016c650d63734fb2ed7baabcfc2e2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cd6beb3130cdad62f6002a899f46ad0016c650d63734fb2ed7baabcfc2e2bf", kill_on_drop: false }`
[INFO] [stdout] 63cd6beb3130cdad62f6002a899f46ad0016c650d63734fb2ed7baabcfc2e2bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--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] ce106b29edd7c318daa68241c7b143e26c195ad4f2b7788ea5864e054cfa3196
[INFO] running `Command { std: "docker" "start" "-a" "ce106b29edd7c318daa68241c7b143e26c195ad4f2b7788ea5864e054cfa3196", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling minifb v0.10.7
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]  --> src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/cpu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndependentSample`, `Range`
[INFO] [stdout]  --> src/cpu.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::{IndependentSample, Range};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]  --> src/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/cpu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndependentSample`, `Range`
[INFO] [stdout]  --> src/cpu.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::{IndependentSample, Range};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     loop{
[INFO] [stdout] 48 | |         chip.run_instruction();
[INFO] [stdout] 49 | |         //chip.print_reg_values();
[INFO] [stdout] 50 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 51 |       // this is here for debuging
[INFO] [stdout] 52 |       println!("Loop has ened");
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     loop{
[INFO] [stdout] 48 | |         chip.run_instruction();
[INFO] [stdout] 49 | |         //chip.print_reg_values();
[INFO] [stdout] 50 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 51 |       // this is here for debuging
[INFO] [stdout] 52 |       println!("Loop has ened");
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vx`
[INFO] [stdout]   --> src/cpu.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     vx:         [u8; 3], // number of general regesters
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `alu`
[INFO] [stdout]   --> src/cpu.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     alu:        u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ret_stack`
[INFO] [stdout]   --> src/cpu.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ret_stack:  Vec<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rng`
[INFO] [stdout]   --> src/cpu.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     rng:        rand::ThreadRng,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_draw_sprite`
[INFO] [stdout]    --> src/cpu.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn debug_draw_sprite() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_reg_vx`
[INFO] [stdout]    --> src/cpu.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn write_reg_vx(&mut self, index: u8, value: u8){
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_reg_vx`
[INFO] [stdout]    --> src/cpu.rs:188:12
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn read_reg_vx(&mut self, index: u8) -> u8{
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_reg_values`
[INFO] [stdout]    --> src/cpu.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub fn print_reg_values(&mut self, bus: &mut Bus) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key_pressed`
[INFO] [stdout]  --> src/keyboard.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     key_pressed: Option<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_key_pressed`
[INFO] [stdout]   --> src/keyboard.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn is_key_pressed(&self, key_code: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_key_pressed`
[INFO] [stdout]   --> src/keyboard.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn set_key_pressed(&mut self, key: Option<u8>){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_key_pressed`
[INFO] [stdout]   --> src/keyboard.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn get_key_pressed(&self) -> Option<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_reg_values`
[INFO] [stdout]   --> src/chip.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn print_reg_values(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_display_buffer`
[INFO] [stdout]   --> src/chip.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |    pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_key_pressed`
[INFO] [stdout]   --> src/chip.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |    pub fn set_key_pressed(&mut self, key: Option<u8>) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keyboard`
[INFO] [stdout]  --> src/bus.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     keyboard:               Keyboard,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> src/bus.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     display:                Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delay_timer_set_time`
[INFO] [stdout]   --> src/bus.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     delay_timer_set_time:   time::Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reg_bus`
[INFO] [stdout]   --> src/bus.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     reg_bus:                u8, // this is the bus regitor
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ram_write_byte`
[INFO] [stdout]   --> src/bus.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn ram_write_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_draw_byte`
[INFO] [stdout]   --> src/bus.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn debug_draw_byte(&mut self, byte: u8, x: u8, y: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear_screen`
[INFO] [stdout]   --> src/bus.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn clear_screen(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_key_pressed`
[INFO] [stdout]   --> src/bus.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn set_key_pressed(&mut self, key: Option<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_key_pressed`
[INFO] [stdout]   --> src/bus.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn is_key_pressed(&self, key_code: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_delay_timer`
[INFO] [stdout]   --> src/bus.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn set_delay_timer(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_delay_timer`
[INFO] [stdout]   --> src/bus.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_delay_timer(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_display_buffer`
[INFO] [stdout]   --> src/bus.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_reg_bus`
[INFO] [stdout]   --> src/bus.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn get_reg_bus(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `screen`
[INFO] [stdout]  --> src/display.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     screen: [u8; WIDTH * HEIGHT],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_index_from_coords`
[INFO] [stdout]   --> src/display.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn get_index_from_coords(x: usize, y: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_draw_raw`
[INFO] [stdout]   --> src/display.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn debug_draw_raw(&mut self, byte: u8, x: u8, y: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/display.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_display_buffer`
[INFO] [stdout]   --> src/display.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/display.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/display.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vx`
[INFO] [stdout]   --> src/cpu.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     vx:         [u8; 3], // number of general regesters
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `alu`
[INFO] [stdout]   --> src/cpu.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     alu:        u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ret_stack`
[INFO] [stdout]   --> src/cpu.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ret_stack:  Vec<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rng`
[INFO] [stdout]   --> src/cpu.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     rng:        rand::ThreadRng,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_draw_sprite`
[INFO] [stdout]    --> src/cpu.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn debug_draw_sprite() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_reg_vx`
[INFO] [stdout]    --> src/cpu.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn write_reg_vx(&mut self, index: u8, value: u8){
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_reg_vx`
[INFO] [stdout]    --> src/cpu.rs:188:12
[INFO] [stdout]     |
[INFO] [stdout] 188 |     pub fn read_reg_vx(&mut self, index: u8) -> u8{
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_reg_values`
[INFO] [stdout]    --> src/cpu.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 |     pub fn print_reg_values(&mut self, bus: &mut Bus) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key_pressed`
[INFO] [stdout]  --> src/keyboard.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     key_pressed: Option<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_key_pressed`
[INFO] [stdout]   --> src/keyboard.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn is_key_pressed(&self, key_code: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_key_pressed`
[INFO] [stdout]   --> src/keyboard.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn set_key_pressed(&mut self, key: Option<u8>){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_key_pressed`
[INFO] [stdout]   --> src/keyboard.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn get_key_pressed(&self) -> Option<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_reg_values`
[INFO] [stdout]   --> src/chip.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn print_reg_values(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_display_buffer`
[INFO] [stdout]   --> src/chip.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 |    pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_key_pressed`
[INFO] [stdout]   --> src/chip.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |    pub fn set_key_pressed(&mut self, key: Option<u8>) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keyboard`
[INFO] [stdout]  --> src/bus.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     keyboard:               Keyboard,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> src/bus.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     display:                Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delay_timer_set_time`
[INFO] [stdout]   --> src/bus.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     delay_timer_set_time:   time::Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reg_bus`
[INFO] [stdout]   --> src/bus.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     reg_bus:                u8, // this is the bus regitor
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ram_write_byte`
[INFO] [stdout]   --> src/bus.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn ram_write_byte(&mut self, address: u16, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_draw_byte`
[INFO] [stdout]   --> src/bus.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn debug_draw_byte(&mut self, byte: u8, x: u8, y: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear_screen`
[INFO] [stdout]   --> src/bus.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn clear_screen(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_key_pressed`
[INFO] [stdout]   --> src/bus.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn set_key_pressed(&mut self, key: Option<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_key_pressed`
[INFO] [stdout]   --> src/bus.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn is_key_pressed(&self, key_code: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_delay_timer`
[INFO] [stdout]   --> src/bus.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn set_delay_timer(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_delay_timer`
[INFO] [stdout]   --> src/bus.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_delay_timer(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_display_buffer`
[INFO] [stdout]   --> src/bus.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_reg_bus`
[INFO] [stdout]   --> src/bus.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn get_reg_bus(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `screen`
[INFO] [stdout]  --> src/display.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     screen: [u8; WIDTH * HEIGHT],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_index_from_coords`
[INFO] [stdout]   --> src/display.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn get_index_from_coords(x: usize, y: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `debug_draw_raw`
[INFO] [stdout]   --> src/display.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn debug_draw_raw(&mut self, byte: u8, x: u8, y: u8) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `clear`
[INFO] [stdout]   --> src/display.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_display_buffer`
[INFO] [stdout]   --> src/display.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/display.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/display.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.43s
[INFO] running `Command { std: "docker" "inspect" "ce106b29edd7c318daa68241c7b143e26c195ad4f2b7788ea5864e054cfa3196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce106b29edd7c318daa68241c7b143e26c195ad4f2b7788ea5864e054cfa3196", kill_on_drop: false }`
[INFO] [stdout] ce106b29edd7c318daa68241c7b143e26c195ad4f2b7788ea5864e054cfa3196