[INFO] cloning repository https://github.com/Akardy/chip8-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Akardy/chip8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkardy%2Fchip8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkardy%2Fchip8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40db42ec6151c6dc7ce4295f98c6c97e6137fc18
[INFO] checking Akardy/chip8-rs against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkardy%2Fchip8-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Akardy/chip8-rs
[INFO] finished tweaking git repo https://github.com/Akardy/chip8-rs
[INFO] tweaked toml for git repo https://github.com/Akardy/chip8-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Akardy/chip8-rs on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Akardy/chip8-rs 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 781538db672c3cf60dd2a3bfe4b6985aa07d1c61608cf1e294feb536e2aa9db7
[INFO] running `Command { std: "docker" "start" "-a" "781538db672c3cf60dd2a3bfe4b6985aa07d1c61608cf1e294feb536e2aa9db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "781538db672c3cf60dd2a3bfe4b6985aa07d1c61608cf1e294feb536e2aa9db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781538db672c3cf60dd2a3bfe4b6985aa07d1c61608cf1e294feb536e2aa9db7", kill_on_drop: false }`
[INFO] [stdout] 781538db672c3cf60dd2a3bfe4b6985aa07d1c61608cf1e294feb536e2aa9db7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af158cbb31590f9c938d06adb023ecd71f3e58fb01338765cdb2cedad9259315
[INFO] running `Command { std: "docker" "start" "-a" "af158cbb31590f9c938d06adb023ecd71f3e58fb01338765cdb2cedad9259315", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking chip8-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:258:35
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         self.i += (self.register[vx_i] as u16);
[INFO] [stdout]     |                                   ^                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 258 -                         self.i += (self.register[vx_i] as u16);
[INFO] [stdout] 258 +                         self.i += self.register[vx_i] as u16;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:258:35
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         self.i += (self.register[vx_i] as u16);
[INFO] [stdout]     |                                   ^                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 258 -                         self.i += (self.register[vx_i] as u16);
[INFO] [stdout] 258 +                         self.i += self.register[vx_i] as u16;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CPU` is never constructed
[INFO] [stdout]  --> src/cpu.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CPU {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_memory`, `write_memory`, `execute`, and `parse_instruction` are never used
[INFO] [stdout]   --> src/cpu.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl CPU {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 21 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn read_memory(&self, address: u16) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn write_memory(&mut self, address: u16, data: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn execute(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn parse_instruction(&mut self, instruction: u16) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZE` is never used
[INFO] [stdout]  --> src/memory.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const SIZE: usize = 4096;
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]  --> src/memory.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Memory {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read`, and `write` are never used
[INFO] [stdout]   --> src/memory.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Memory {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 7  |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn read(&self, address: u16) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn write(&mut self, address: u16, data: u8) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CPU` is never constructed
[INFO] [stdout]  --> src/cpu.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CPU {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_memory`, `write_memory`, `execute`, and `parse_instruction` are never used
[INFO] [stdout]   --> src/cpu.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl CPU {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 21 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn read_memory(&self, address: u16) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn write_memory(&mut self, address: u16, data: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn execute(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn parse_instruction(&mut self, instruction: u16) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZE` is never used
[INFO] [stdout]  --> src/memory.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const SIZE: usize = 4096;
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]  --> src/memory.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Memory {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read`, and `write` are never used
[INFO] [stdout]   --> src/memory.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Memory {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 7  |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn read(&self, address: u16) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn write(&mut self, address: u16, data: u8) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "af158cbb31590f9c938d06adb023ecd71f3e58fb01338765cdb2cedad9259315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af158cbb31590f9c938d06adb023ecd71f3e58fb01338765cdb2cedad9259315", kill_on_drop: false }`
[INFO] [stdout] af158cbb31590f9c938d06adb023ecd71f3e58fb01338765cdb2cedad9259315
