[INFO] cloning repository https://github.com/Zij-IT/RustyChip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zij-IT/RustyChip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZij-IT%2FRustyChip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZij-IT%2FRustyChip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac12f17c7d0109501eeaea3bc5253b048e6b290f
[INFO] testing Zij-IT/RustyChip against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZij-IT%2FRustyChip" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zij-IT/RustyChip on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zij-IT/RustyChip
[INFO] finished tweaking git repo https://github.com/Zij-IT/RustyChip
[INFO] tweaked toml for git repo https://github.com/Zij-IT/RustyChip written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Zij-IT/RustyChip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a74940253ca20e235065049f066127a53c92212fa2f880318bcde8d0ba42ca48
[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" "a74940253ca20e235065049f066127a53c92212fa2f880318bcde8d0ba42ca48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a74940253ca20e235065049f066127a53c92212fa2f880318bcde8d0ba42ca48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74940253ca20e235065049f066127a53c92212fa2f880318bcde8d0ba42ca48", kill_on_drop: false }`
[INFO] [stdout] a74940253ca20e235065049f066127a53c92212fa2f880318bcde8d0ba42ca48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--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] 7926c0f58cfeba014c15486c7ab339509bb906786c07d2e876d0a93e871ab581
[INFO] running `Command { std: "docker" "start" "-a" "7926c0f58cfeba014c15486c7ab339509bb906786c07d2e876d0a93e871ab581", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]    --> src/chip8/cpu.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     let byte = bus.read_byte(self.i + nth_idx as u16);
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/chip8/cpu.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     let buffer = bus.get_display_mut();
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/chip8/cpu.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 |                     let x = self.v[x];
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/chip8/cpu.rs:165:25
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     let y = self.v[y];
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delay_timer_start`
[INFO] [stdout]   --> src/chip8/data_bus.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     delay_timer_start: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sound_timer_start`
[INFO] [stdout]   --> src/chip8/data_bus.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     sound_timer_start: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sound_timer`
[INFO] [stdout]   --> src/chip8/data_bus.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn sound_timer(&mut self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eti660`
[INFO] [stdout]   --> src/chip8.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Eti660,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "7926c0f58cfeba014c15486c7ab339509bb906786c07d2e876d0a93e871ab581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7926c0f58cfeba014c15486c7ab339509bb906786c07d2e876d0a93e871ab581", kill_on_drop: false }`
[INFO] [stdout] 7926c0f58cfeba014c15486c7ab339509bb906786c07d2e876d0a93e871ab581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "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] d23c4f74b41f86e849d13028309d9d8a188a43c17951100bfa2342b75d4e2265
[INFO] running `Command { std: "docker" "start" "-a" "d23c4f74b41f86e849d13028309d9d8a188a43c17951100bfa2342b75d4e2265", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]    --> src/chip8/cpu.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     let byte = bus.read_byte(self.i + nth_idx as u16);
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/chip8/cpu.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     let buffer = bus.get_display_mut();
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/chip8/cpu.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 |                     let x = self.v[x];
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/chip8/cpu.rs:165:25
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     let y = self.v[y];
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delay_timer_start`
[INFO] [stdout]   --> src/chip8/data_bus.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     delay_timer_start: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sound_timer_start`
[INFO] [stdout]   --> src/chip8/data_bus.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     sound_timer_start: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sound_timer`
[INFO] [stdout]   --> src/chip8/data_bus.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn sound_timer(&mut self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eti660`
[INFO] [stdout]   --> src/chip8.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Eti660,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "d23c4f74b41f86e849d13028309d9d8a188a43c17951100bfa2342b75d4e2265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23c4f74b41f86e849d13028309d9d8a188a43c17951100bfa2342b75d4e2265", kill_on_drop: false }`
[INFO] [stdout] d23c4f74b41f86e849d13028309d9d8a188a43c17951100bfa2342b75d4e2265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5bc63d3c789df2460d1121fd99f45202d38d0df2b1a7d371e574968132d0a88b
[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" "5bc63d3c789df2460d1121fd99f45202d38d0df2b1a7d371e574968132d0a88b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `byte`
[INFO] [stderr]    --> src/chip8/cpu.rs:161:25
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     let byte = bus.read_byte(self.i + nth_idx as u16);
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]    --> src/chip8/cpu.rs:162:25
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     let buffer = bus.get_display_mut();
[INFO] [stderr]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/chip8/cpu.rs:164:25
[INFO] [stderr]     |
[INFO] [stderr] 164 |                     let x = self.v[x];
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/chip8/cpu.rs:165:25
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     let y = self.v[y];
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `delay_timer_start`
[INFO] [stderr]   --> src/chip8/data_bus.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     delay_timer_start: Instant,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sound_timer_start`
[INFO] [stderr]   --> src/chip8/data_bus.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     sound_timer_start: Instant,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sound_timer`
[INFO] [stderr]   --> src/chip8/data_bus.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn sound_timer(&mut self) -> u8 {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eti660`
[INFO] [stderr]   --> src/chip8.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Eti660,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip8-56641eee5aa8fa76)
[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" "5bc63d3c789df2460d1121fd99f45202d38d0df2b1a7d371e574968132d0a88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc63d3c789df2460d1121fd99f45202d38d0df2b1a7d371e574968132d0a88b", kill_on_drop: false }`
[INFO] [stdout] 5bc63d3c789df2460d1121fd99f45202d38d0df2b1a7d371e574968132d0a88b