[INFO] cloning repository https://github.com/nstylo/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/nstylo/chip8-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstylo%2Fchip8-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstylo%2Fchip8-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8df863d9fbd7eb7b13c8138428616d596436a329 [INFO] checking nstylo/chip8-rust against master#40daf23eeb711dadf140b2536e67e3ff4c999196 for pr-142287 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstylo%2Fchip8-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nstylo/chip8-rust on toolchain 40daf23eeb711dadf140b2536e67e3ff4c999196 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nstylo/chip8-rust [INFO] finished tweaking git repo https://github.com/nstylo/chip8-rust [INFO] tweaked toml for git repo https://github.com/nstylo/chip8-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nstylo/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" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cff52569f9be6b1a0d09755dd82f9f9b4a47c3728a5cb4430968a11b775af68f [INFO] running `Command { std: "docker" "start" "-a" "cff52569f9be6b1a0d09755dd82f9f9b4a47c3728a5cb4430968a11b775af68f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cff52569f9be6b1a0d09755dd82f9f9b4a47c3728a5cb4430968a11b775af68f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cff52569f9be6b1a0d09755dd82f9f9b4a47c3728a5cb4430968a11b775af68f", kill_on_drop: false }` [INFO] [stdout] cff52569f9be6b1a0d09755dd82f9f9b4a47c3728a5cb4430968a11b775af68f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+40daf23eeb711dadf140b2536e67e3ff4c999196" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a71603801aad1b068b782ac2484bf4d4605ca88ce448e9af34c895285f90782 [INFO] running `Command { std: "docker" "start" "-a" "3a71603801aad1b068b782ac2484bf4d4605ca88ce448e9af34c895285f90782", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking chip8-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/cpu.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let n = opcode.0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cpu` is never constructed [INFO] [stdout] --> src/cpu.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | 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`, `write`, `read`, `load_rom`, `load_instruction`, and `run_instruction` are never used [INFO] [stdout] --> src/cpu.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Cpu { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 15 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn write(&mut self, address: u16, value: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | fn read(&self, address: u16) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn load_rom(&mut self, data: &Vec) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn load_instruction(&self, addr: u16) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn run_instruction(&mut self, instruction: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/cpu.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let n = opcode.0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cpu` is never constructed [INFO] [stdout] --> src/cpu.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | 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`, `write`, `read`, `load_rom`, `load_instruction`, and `run_instruction` are never used [INFO] [stdout] --> src/cpu.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Cpu { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 15 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn write(&mut self, address: u16, value: u8) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | fn read(&self, address: u16) -> u8 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn load_rom(&mut self, data: &Vec) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn load_instruction(&self, addr: u16) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | pub fn run_instruction(&mut self, instruction: u16) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.99s [INFO] running `Command { std: "docker" "inspect" "3a71603801aad1b068b782ac2484bf4d4605ca88ce448e9af34c895285f90782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a71603801aad1b068b782ac2484bf4d4605ca88ce448e9af34c895285f90782", kill_on_drop: false }` [INFO] [stdout] 3a71603801aad1b068b782ac2484bf4d4605ca88ce448e9af34c895285f90782