[INFO] updating cached repository https://github.com/drgmr/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86a3a8078eac5240460033d68a052e454ba97004
[INFO] testing drgmr/chip8 against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgmr%2Fchip8" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drgmr/chip8 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drgmr/chip8
[INFO] finished tweaking git repo https://github.com/drgmr/chip8
[INFO] tweaked toml for git repo https://github.com/drgmr/chip8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/drgmr/chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] cd4441e1b38ba41144ce6f2bf4566a6f4df942e90718dcc38f455f57075140ab
[INFO] running `Command { std: "docker" "start" "-a" "cd4441e1b38ba41144ce6f2bf4566a6f4df942e90718dcc38f455f57075140ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd4441e1b38ba41144ce6f2bf4566a6f4df942e90718dcc38f455f57075140ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4441e1b38ba41144ce6f2bf4566a6f4df942e90718dcc38f455f57075140ab", kill_on_drop: false }`
[INFO] [stdout] cd4441e1b38ba41144ce6f2bf4566a6f4df942e90718dcc38f455f57075140ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] e6e8f441e93d2ec6ed0ab029852148fb14e601057636548c5b40904252ec3fe6
[INFO] running `Command { std: "docker" "start" "-a" "e6e8f441e93d2ec6ed0ab029852148fb14e601057636548c5b40904252ec3fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/cpu.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn load_game(cpu: &mut CPU) {}
[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: `short_constant`
[INFO] [stdout]   --> src/instruction.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let short_constant = source & 0x000F;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_short_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_opcode`
[INFO] [stdout]   --> src/cpu.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn fetch_opcode(&mut self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "e6e8f441e93d2ec6ed0ab029852148fb14e601057636548c5b40904252ec3fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e8f441e93d2ec6ed0ab029852148fb14e601057636548c5b40904252ec3fe6", kill_on_drop: false }`
[INFO] [stdout] e6e8f441e93d2ec6ed0ab029852148fb14e601057636548c5b40904252ec3fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] a9e782e93712a249aadbabd885b8b78115b37059adf02c8fd12598e17eedc09f
[INFO] running `Command { std: "docker" "start" "-a" "a9e782e93712a249aadbabd885b8b78115b37059adf02c8fd12598e17eedc09f", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/cpu.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn load_game(cpu: &mut CPU) {}
[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: `short_constant`
[INFO] [stdout]   --> src/instruction.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let short_constant = source & 0x000F;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_short_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_opcode`
[INFO] [stdout]   --> src/cpu.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn fetch_opcode(&mut self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "a9e782e93712a249aadbabd885b8b78115b37059adf02c8fd12598e17eedc09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e782e93712a249aadbabd885b8b78115b37059adf02c8fd12598e17eedc09f", kill_on_drop: false }`
[INFO] [stdout] a9e782e93712a249aadbabd885b8b78115b37059adf02c8fd12598e17eedc09f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 71b7347181a3c180d62c129e1bc4899af53b0aacce50a183311cdcd859b9294d
[INFO] running `Command { std: "docker" "start" "-a" "71b7347181a3c180d62c129e1bc4899af53b0aacce50a183311cdcd859b9294d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/cpu.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn load_game(cpu: &mut CPU) {}
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `short_constant`
[INFO] [stderr]   --> src/instruction.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let short_constant = source & 0x000F;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_short_constant`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch_opcode`
[INFO] [stderr]   --> src/cpu.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn fetch_opcode(&mut self) -> u16 {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-c4acee25422ef4c4
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "71b7347181a3c180d62c129e1bc4899af53b0aacce50a183311cdcd859b9294d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b7347181a3c180d62c129e1bc4899af53b0aacce50a183311cdcd859b9294d", kill_on_drop: false }`
[INFO] [stdout] 71b7347181a3c180d62c129e1bc4899af53b0aacce50a183311cdcd859b9294d