[INFO] cloning repository https://github.com/drgmr/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drgmr/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgmr%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgmr%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86a3a8078eac5240460033d68a052e454ba97004
[INFO] testing drgmr/chip8 against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgmr%2Fchip8" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drgmr/chip8 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-0/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30de1b63256429b4791e0f236c2e70e0999e60f2d458e20f81420cc022c47458
[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" "30de1b63256429b4791e0f236c2e70e0999e60f2d458e20f81420cc022c47458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30de1b63256429b4791e0f236c2e70e0999e60f2d458e20f81420cc022c47458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30de1b63256429b4791e0f236c2e70e0999e60f2d458e20f81420cc022c47458", kill_on_drop: false }`
[INFO] [stdout] 30de1b63256429b4791e0f236c2e70e0999e60f2d458e20f81420cc022c47458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4c738741602f095ee4d16b545230be475a93b892dba4d6baec54a3f1c10f644
[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" "f4c738741602f095ee4d16b545230be475a93b892dba4d6baec54a3f1c10f644", 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 1.12s
[INFO] running `Command { std: "docker" "inspect" "f4c738741602f095ee4d16b545230be475a93b892dba4d6baec54a3f1c10f644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c738741602f095ee4d16b545230be475a93b892dba4d6baec54a3f1c10f644", kill_on_drop: false }`
[INFO] [stdout] f4c738741602f095ee4d16b545230be475a93b892dba4d6baec54a3f1c10f644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cbb9d52a64aec48d07611a173d12b1c64f2a20f02afdced51a9bc233242e767
[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" "1cbb9d52a64aec48d07611a173d12b1c64f2a20f02afdced51a9bc233242e767", 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 0.92s
[INFO] running `Command { std: "docker" "inspect" "1cbb9d52a64aec48d07611a173d12b1c64f2a20f02afdced51a9bc233242e767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cbb9d52a64aec48d07611a173d12b1c64f2a20f02afdced51a9bc233242e767", kill_on_drop: false }`
[INFO] [stdout] 1cbb9d52a64aec48d07611a173d12b1c64f2a20f02afdced51a9bc233242e767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a45f171e835aae57db2d7c22eaa6b7e362a1e26099fed2b5689617a0c01b59c
[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" "1a45f171e835aae57db2d7c22eaa6b7e362a1e26099fed2b5689617a0c01b59c", 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 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-d222d25d7639c828
[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" "1a45f171e835aae57db2d7c22eaa6b7e362a1e26099fed2b5689617a0c01b59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a45f171e835aae57db2d7c22eaa6b7e362a1e26099fed2b5689617a0c01b59c", kill_on_drop: false }`
[INFO] [stdout] 1a45f171e835aae57db2d7c22eaa6b7e362a1e26099fed2b5689617a0c01b59c