[INFO] cloning repository https://github.com/chazcross/Chip-8-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chazcross/Chip-8-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchazcross%2FChip-8-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchazcross%2FChip-8-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28611e23e6422e13c01e7ae790366ad998d7fffa
[INFO] checking chazcross/Chip-8-Rust against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchazcross%2FChip-8-Rust" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chazcross/Chip-8-Rust on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chazcross/Chip-8-Rust
[INFO] finished tweaking git repo https://github.com/chazcross/Chip-8-Rust
[INFO] tweaked toml for git repo https://github.com/chazcross/Chip-8-Rust written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/chazcross/Chip-8-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2ec28a43edb48bacd2a2d2bbc1aa79ff997a384aea1d6c0c15fa98dc596be77
[INFO] running `Command { std: "docker" "start" "-a" "a2ec28a43edb48bacd2a2d2bbc1aa79ff997a384aea1d6c0c15fa98dc596be77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2ec28a43edb48bacd2a2d2bbc1aa79ff997a384aea1d6c0c15fa98dc596be77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ec28a43edb48bacd2a2d2bbc1aa79ff997a384aea1d6c0c15fa98dc596be77", kill_on_drop: false }`
[INFO] [stdout] a2ec28a43edb48bacd2a2d2bbc1aa79ff997a384aea1d6c0c15fa98dc596be77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bc8324340c2a618c2cd786f1d141cdf7f5c1243d05d4e475bf14ebb985e8593
[INFO] running `Command { std: "docker" "start" "-a" "9bc8324340c2a618c2cd786f1d141cdf7f5c1243d05d4e475bf14ebb985e8593", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]     Checking crossterm_utils v0.2.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling minifb v0.13.0
[INFO] [stderr]     Checking crossterm_cursor v0.2.6
[INFO] [stderr]     Checking crossterm_screen v0.2.5
[INFO] [stderr]     Checking crossterm_style v0.3.3
[INFO] [stderr]     Checking crossterm_style v0.4.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossterm_input v0.3.9
[INFO] [stderr]     Checking crossterm_terminal v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking crossterm v0.9.6
[INFO] [stderr]     Checking crossterm v0.10.2
[INFO] [stderr]     Checking tui v0.6.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `press_key`
[INFO] [stdout]    --> src/cpu/mod.rs:364:12
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn press_key(&mut self, key: Option<u8>) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `items`
[INFO] [stdout]   --> src/window/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     items: Vec<disassembler::Dissemble>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `offset`
[INFO] [stdout]   --> src/window/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     offset: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `items`
[INFO] [stdout]   --> src/window/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     items: Vec<disassembler::Dissemble>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `offset`
[INFO] [stdout]   --> src/window/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     offset: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "9bc8324340c2a618c2cd786f1d141cdf7f5c1243d05d4e475bf14ebb985e8593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc8324340c2a618c2cd786f1d141cdf7f5c1243d05d4e475bf14ebb985e8593", kill_on_drop: false }`
[INFO] [stdout] 9bc8324340c2a618c2cd786f1d141cdf7f5c1243d05d4e475bf14ebb985e8593