[INFO] cloning repository https://github.com/Tiv0w/chip8-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tiv0w/chip8-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiv0w%2Fchip8-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiv0w%2Fchip8-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 285ebf998fb26b7c7b7231162f1d32605c405d3b
[INFO] checking Tiv0w/chip8-emulator against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTiv0w%2Fchip8-emulator" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tiv0w/chip8-emulator on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tiv0w/chip8-emulator
[INFO] finished tweaking git repo https://github.com/Tiv0w/chip8-emulator
[INFO] tweaked toml for git repo https://github.com/Tiv0w/chip8-emulator written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Tiv0w/chip8-emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2 v0.34.1
[INFO] [stderr]   Downloaded sdl2-sys v0.34.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b31b1a13ddae5dc6774cfa32581c7bc9af64f190f2a6166ad90f1910d79c0da8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b31b1a13ddae5dc6774cfa32581c7bc9af64f190f2a6166ad90f1910d79c0da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b31b1a13ddae5dc6774cfa32581c7bc9af64f190f2a6166ad90f1910d79c0da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b31b1a13ddae5dc6774cfa32581c7bc9af64f190f2a6166ad90f1910d79c0da8", kill_on_drop: false }`
[INFO] [stdout] b31b1a13ddae5dc6774cfa32581c7bc9af64f190f2a6166ad90f1910d79c0da8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dcfef2b616655678c7a14759667cbfa2a23e138c44e490164e2318e6b6ace76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2dcfef2b616655678c7a14759667cbfa2a23e138c44e490164e2318e6b6ace76", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.34.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.0
[INFO] [stderr]     Checking chip8-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let cpu = Cpu::new();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let cpu = Cpu::new();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Coordinates`
[INFO] [stdout]  --> src/display.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Coordinates(usize, usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `FONT_SET`
[INFO] [stdout]   --> src/display.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | / pub static FONT_SET: [u8; 80] = [
[INFO] [stdout] 75 | |     0xF0, 0x90, 0x90, 0x90, 0xF0, // 0
[INFO] [stdout] 76 | |     0x20, 0x60, 0x20, 0x20, 0x70, // 1
[INFO] [stdout] 77 | |     0xF0, 0x10, 0xF0, 0x80, 0xF0, // 2
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |     0xF0, 0x80, 0xF0, 0x80, 0x80, // F
[INFO] [stdout] 91 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Coordinates`
[INFO] [stdout]  --> src/display.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Coordinates(usize, usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `FONT_SET`
[INFO] [stdout]   --> src/display.rs:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | / pub static FONT_SET: [u8; 80] = [
[INFO] [stdout] 75 | |     0xF0, 0x90, 0x90, 0x90, 0xF0, // 0
[INFO] [stdout] 76 | |     0x20, 0x60, 0x20, 0x20, 0x70, // 1
[INFO] [stdout] 77 | |     0xF0, 0x10, 0xF0, 0x80, 0xF0, // 2
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |     0xF0, 0x80, 0xF0, 0x80, 0x80, // F
[INFO] [stdout] 91 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.25s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2dcfef2b616655678c7a14759667cbfa2a23e138c44e490164e2318e6b6ace76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dcfef2b616655678c7a14759667cbfa2a23e138c44e490164e2318e6b6ace76", kill_on_drop: false }`
[INFO] [stdout] 2dcfef2b616655678c7a14759667cbfa2a23e138c44e490164e2318e6b6ace76