[INFO] cloning repository https://github.com/longlb/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/longlb/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonglb%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonglb%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c2e7ecd317f8a100c68c2390709e3d9f5200588
[INFO] testing longlb/chip8 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonglb%2Fchip8" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/longlb/chip8 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/longlb/chip8
[INFO] finished tweaking git repo https://github.com/longlb/chip8
[INFO] tweaked toml for git repo https://github.com/longlb/chip8 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/longlb/chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91979a172ee5bc941207ef0b39ad1521e50b38d6155d8a8264b5d2f81dec90d2
[INFO] running `Command { std: "docker" "start" "-a" "91979a172ee5bc941207ef0b39ad1521e50b38d6155d8a8264b5d2f81dec90d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91979a172ee5bc941207ef0b39ad1521e50b38d6155d8a8264b5d2f81dec90d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91979a172ee5bc941207ef0b39ad1521e50b38d6155d8a8264b5d2f81dec90d2", kill_on_drop: false }`
[INFO] [stdout] 91979a172ee5bc941207ef0b39ad1521e50b38d6155d8a8264b5d2f81dec90d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318fd6329161d60777bfe59631a92e3f0a884d87a314f8d209cd2dab3a1ab2d9
[INFO] running `Command { std: "docker" "start" "-a" "318fd6329161d60777bfe59631a92e3f0a884d87a314f8d209cd2dab3a1ab2d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/cpu.rs:266:25
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn paste(&mut self, index: usize, arr: &[u8], vx: u8) {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/cpu.rs:273:29
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn load_regs(&mut self, index: usize, vx: u8) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/cpu.rs:280:28
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn dec_conv(&mut self, index: usize, val: u8) {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `audio`
[INFO] [stdout]   --> src/audio.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn audio(context: &sdl2::Sdl) -> Result<AudioDevice<SquareWave>, String> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/cpu.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 self.display.draw_pixel(x as i32, y as i32, diff_pixel);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.79s
[INFO] running `Command { std: "docker" "inspect" "318fd6329161d60777bfe59631a92e3f0a884d87a314f8d209cd2dab3a1ab2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318fd6329161d60777bfe59631a92e3f0a884d87a314f8d209cd2dab3a1ab2d9", kill_on_drop: false }`
[INFO] [stdout] 318fd6329161d60777bfe59631a92e3f0a884d87a314f8d209cd2dab3a1ab2d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4409e07ef17b051eaea49544d676c2643f2d657b874c45c7aeb4e408214b6122
[INFO] running `Command { std: "docker" "start" "-a" "4409e07ef17b051eaea49544d676c2643f2d657b874c45c7aeb4e408214b6122", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/cpu.rs:266:25
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn paste(&mut self, index: usize, arr: &[u8], vx: u8) {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/cpu.rs:273:29
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn load_regs(&mut self, index: usize, vx: u8) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/cpu.rs:280:28
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn dec_conv(&mut self, index: usize, val: u8) {
[INFO] [stdout]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `audio`
[INFO] [stdout]   --> src/audio.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn audio(context: &sdl2::Sdl) -> Result<AudioDevice<SquareWave>, String> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/cpu.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 self.display.draw_pixel(x as i32, y as i32, diff_pixel);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "4409e07ef17b051eaea49544d676c2643f2d657b874c45c7aeb4e408214b6122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4409e07ef17b051eaea49544d676c2643f2d657b874c45c7aeb4e408214b6122", kill_on_drop: false }`
[INFO] [stdout] 4409e07ef17b051eaea49544d676c2643f2d657b874c45c7aeb4e408214b6122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5a5929f9abbca5c2b9c954ae277cdcddfabd786a3c65183e2b4eb5c9cb9bb25
[INFO] running `Command { std: "docker" "start" "-a" "e5a5929f9abbca5c2b9c954ae277cdcddfabd786a3c65183e2b4eb5c9cb9bb25", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/cpu.rs:266:25
[INFO] [stderr]     |
[INFO] [stderr] 266 |     fn paste(&mut self, index: usize, arr: &[u8], vx: u8) {
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/cpu.rs:273:29
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn load_regs(&mut self, index: usize, vx: u8) {
[INFO] [stderr]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/cpu.rs:280:28
[INFO] [stderr]     |
[INFO] [stderr] 280 |     fn dec_conv(&mut self, index: usize, val: u8) {
[INFO] [stderr]     |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `audio`
[INFO] [stderr]   --> src/audio.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn audio(context: &sdl2::Sdl) -> Result<AudioDevice<SquareWave>, String> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/cpu.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 self.display.draw_pixel(x as i32, y as i32, diff_pixel);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip8-374ff6630b9afca5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test opcode::tests::optest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5a5929f9abbca5c2b9c954ae277cdcddfabd786a3c65183e2b4eb5c9cb9bb25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a5929f9abbca5c2b9c954ae277cdcddfabd786a3c65183e2b4eb5c9cb9bb25", kill_on_drop: false }`
[INFO] [stdout] e5a5929f9abbca5c2b9c954ae277cdcddfabd786a3c65183e2b4eb5c9cb9bb25