[INFO] cloning repository https://github.com/leprekon91/chip8-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leprekon91/chip8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleprekon91%2Fchip8-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleprekon91%2Fchip8-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdb9857d6deb9710819ff08c99426c1417cfc4e0
[INFO] checking leprekon91/chip8-rust against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleprekon91%2Fchip8-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/leprekon91/chip8-rust
[INFO] finished tweaking git repo https://github.com/leprekon91/chip8-rust
[INFO] tweaked toml for git repo https://github.com/leprekon91/chip8-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leprekon91/chip8-rust on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/leprekon91/chip8-rust 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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking leprekon91/chip8-rust against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleprekon91%2Fchip8-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/leprekon91/chip8-rust
[INFO] finished tweaking git repo https://github.com/leprekon91/chip8-rust
[INFO] tweaked toml for git repo https://github.com/leprekon91/chip8-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leprekon91/chip8-rust on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/leprekon91/chip8-rust 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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6e4b5d9a33326fed1684d1c0208ba5ce244fe150a8aee096152ba3fd38002be
[INFO] running `Command { std: "docker" "start" "-a" "a6e4b5d9a33326fed1684d1c0208ba5ce244fe150a8aee096152ba3fd38002be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e4b5d9a33326fed1684d1c0208ba5ce244fe150a8aee096152ba3fd38002be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e4b5d9a33326fed1684d1c0208ba5ce244fe150a8aee096152ba3fd38002be", kill_on_drop: false }`
[INFO] [stdout] a6e4b5d9a33326fed1684d1c0208ba5ce244fe150a8aee096152ba3fd38002be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4de9e7c2135bc3adf5008ed6d5971118644cb51ce707dc4484fded5a9f34cc92
[INFO] running `Command { std: "docker" "start" "-a" "4de9e7c2135bc3adf5008ed6d5971118644cb51ce707dc4484fded5a9f34cc92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chip8-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `outputState`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let outputState = cpu.cycle(keypad);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outputState`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `display`, `display_changed`, and `beep` are never read
[INFO] [stdout]   --> src/cpu.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct OutputState {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 44 |     display: [[u8; DISPLAY_WIDTH]; DISPLAY_HEIGHT],
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 45 |     display_changed: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 46 |     beep: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load_program` is never used
[INFO] [stdout]   --> src/cpu.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Cpu {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn load_program(&mut self, program: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Display` is never constructed
[INFO] [stdout]  --> src/display.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Display {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/display.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Display {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(width: usize, height: usize) -> Display {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn get_pixel(&self, x: usize, y: usize) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn set_pixel(&mut self, x: usize, y: usize, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn toggle_pixel(&mut self, x: usize, y: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn draw_sprite(&mut self, x: usize, y: usize, sprite: &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn render(&self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outputState` should have a snake case name
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let outputState = cpu.cycle(keypad);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `output_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outputState`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let outputState = cpu.cycle(keypad);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outputState`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `display`, `display_changed`, and `beep` are never read
[INFO] [stdout]   --> src/cpu.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct OutputState {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 44 |     display: [[u8; DISPLAY_WIDTH]; DISPLAY_HEIGHT],
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 45 |     display_changed: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 46 |     beep: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load_program` is never used
[INFO] [stdout]   --> src/cpu.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Cpu {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn load_program(&mut self, program: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Display` is never constructed
[INFO] [stdout]  --> src/display.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Display {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/display.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Display {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 13 |     pub fn new(width: usize, height: usize) -> Display {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn get_pixel(&self, x: usize, y: usize) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn set_pixel(&mut self, x: usize, y: usize, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn toggle_pixel(&mut self, x: usize, y: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn draw_sprite(&mut self, x: usize, y: usize, sprite: &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn render(&self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outputState` should have a snake case name
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let outputState = cpu.cycle(keypad);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `output_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "4de9e7c2135bc3adf5008ed6d5971118644cb51ce707dc4484fded5a9f34cc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de9e7c2135bc3adf5008ed6d5971118644cb51ce707dc4484fded5a9f34cc92", kill_on_drop: false }`
[INFO] [stdout] 4de9e7c2135bc3adf5008ed6d5971118644cb51ce707dc4484fded5a9f34cc92
