[INFO] cloning repository https://github.com/mattrberry/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/mattrberry/chip8.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattrberry%2Fchip8.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattrberry%2Fchip8.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebbacae0f5e6a32d981fd9f2ce9f3bfb22dc189d
[INFO] testing mattrberry/chip8.rs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattrberry%2Fchip8.rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattrberry/chip8.rs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattrberry/chip8.rs
[INFO] finished tweaking git repo https://github.com/mattrberry/chip8.rs
[INFO] tweaked toml for git repo https://github.com/mattrberry/chip8.rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/mattrberry/chip8.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1642a987b821751e506044498c3f8492db4d82b4bbe7660f5e0f97213a55337b
[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" "1642a987b821751e506044498c3f8492db4d82b4bbe7660f5e0f97213a55337b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1642a987b821751e506044498c3f8492db4d82b4bbe7660f5e0f97213a55337b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1642a987b821751e506044498c3f8492db4d82b4bbe7660f5e0f97213a55337b", kill_on_drop: false }`
[INFO] [stdout] 1642a987b821751e506044498c3f8492db4d82b4bbe7660f5e0f97213a55337b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27aab75d31a336a82ea4ba21802861aeacebf3465efee1b72c4e1bc302a2380b
[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" "27aab75d31a336a82ea4ba21802861aeacebf3465efee1b72c4e1bc302a2380b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling bytemuck v1.4.0
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:169:19
[INFO] [stdout]     |
[INFO] [stdout] 169 |             (0xF, x @ _, 0x0, 0x7) => (), // load delay timer to v[x]
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:170:19
[INFO] [stdout]     |
[INFO] [stdout] 170 |             (0xF, x @ _, 0x0, 0xA) => (), // wait for keypress then load to v[x]
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:171:19
[INFO] [stdout]     |
[INFO] [stdout] 171 |             (0xF, x @ _, 0x1, 0x5) => (), // store v[x] to delay timer
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:172:19
[INFO] [stdout]     |
[INFO] [stdout] 172 |             (0xF, x @ _, 0x1, 0x8) => (), // store v[x] to sound timer
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.54s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27aab75d31a336a82ea4ba21802861aeacebf3465efee1b72c4e1bc302a2380b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27aab75d31a336a82ea4ba21802861aeacebf3465efee1b72c4e1bc302a2380b", kill_on_drop: false }`
[INFO] [stdout] 27aab75d31a336a82ea4ba21802861aeacebf3465efee1b72c4e1bc302a2380b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bb36f233e7d597b804d47b551b779f5248e971fde9b1e437cb8180baed192f8
[INFO] running `Command { std: "docker" "start" "-a" "6bb36f233e7d597b804d47b551b779f5248e971fde9b1e437cb8180baed192f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:169:19
[INFO] [stdout]     |
[INFO] [stdout] 169 |             (0xF, x @ _, 0x0, 0x7) => (), // load delay timer to v[x]
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:170:19
[INFO] [stdout]     |
[INFO] [stdout] 170 |             (0xF, x @ _, 0x0, 0xA) => (), // wait for keypress then load to v[x]
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:171:19
[INFO] [stdout]     |
[INFO] [stdout] 171 |             (0xF, x @ _, 0x1, 0x5) => (), // store v[x] to delay timer
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:172:19
[INFO] [stdout]     |
[INFO] [stdout] 172 |             (0xF, x @ _, 0x1, 0x8) => (), // store v[x] to sound timer
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "6bb36f233e7d597b804d47b551b779f5248e971fde9b1e437cb8180baed192f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb36f233e7d597b804d47b551b779f5248e971fde9b1e437cb8180baed192f8", kill_on_drop: false }`
[INFO] [stdout] 6bb36f233e7d597b804d47b551b779f5248e971fde9b1e437cb8180baed192f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec6237f5b25ad544cf8427b93e566503bf9f2d5b3156f6fec03dbd3ebfa593ae
[INFO] running `Command { std: "docker" "start" "-a" "ec6237f5b25ad544cf8427b93e566503bf9f2d5b3156f6fec03dbd3ebfa593ae", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:169:19
[INFO] [stderr]     |
[INFO] [stderr] 169 |             (0xF, x @ _, 0x0, 0x7) => (), // load delay timer to v[x]
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:170:19
[INFO] [stderr]     |
[INFO] [stderr] 170 |             (0xF, x @ _, 0x0, 0xA) => (), // wait for keypress then load to v[x]
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:171:19
[INFO] [stderr]     |
[INFO] [stderr] 171 |             (0xF, x @ _, 0x1, 0x5) => (), // store v[x] to delay timer
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:172:19
[INFO] [stderr]     |
[INFO] [stderr] 172 |             (0xF, x @ _, 0x1, 0x8) => (), // store v[x] to sound timer
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip8-751efecd1b29ed0f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec6237f5b25ad544cf8427b93e566503bf9f2d5b3156f6fec03dbd3ebfa593ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6237f5b25ad544cf8427b93e566503bf9f2d5b3156f6fec03dbd3ebfa593ae", kill_on_drop: false }`
[INFO] [stdout] ec6237f5b25ad544cf8427b93e566503bf9f2d5b3156f6fec03dbd3ebfa593ae