[INFO] cloning repository https://github.com/g-mu-nu/rustendo-emulator-gameboy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/g-mu-nu/rustendo-emulator-gameboy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg-mu-nu%2Frustendo-emulator-gameboy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg-mu-nu%2Frustendo-emulator-gameboy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65d4de473cd4bc4282583d0f03a0cb6b9c3ef872
[INFO] checking g-mu-nu/rustendo-emulator-gameboy against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg-mu-nu%2Frustendo-emulator-gameboy" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/g-mu-nu/rustendo-emulator-gameboy on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/g-mu-nu/rustendo-emulator-gameboy
[INFO] finished tweaking git repo https://github.com/g-mu-nu/rustendo-emulator-gameboy
[INFO] tweaked toml for git repo https://github.com/g-mu-nu/rustendo-emulator-gameboy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/g-mu-nu/rustendo-emulator-gameboy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 3a16d6c1e8a69a13f01627788c78efa038cdcf9938dec2aca66dead581131cf6
[INFO] running `Command { std: "docker" "start" "-a" "3a16d6c1e8a69a13f01627788c78efa038cdcf9938dec2aca66dead581131cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a16d6c1e8a69a13f01627788c78efa038cdcf9938dec2aca66dead581131cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a16d6c1e8a69a13f01627788c78efa038cdcf9938dec2aca66dead581131cf6", kill_on_drop: false }`
[INFO] [stdout] 3a16d6c1e8a69a13f01627788c78efa038cdcf9938dec2aca66dead581131cf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--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] 1e4e07b853737cbace727d3f785a59cd21f1e516eda8e3fb10e5070c2815907a
[INFO] running `Command { std: "docker" "start" "-a" "1e4e07b853737cbace727d3f785a59cd21f1e516eda8e3fb10e5070c2815907a", kill_on_drop: false }`
[INFO] [stderr]     Checking rustendo-emulator-gameboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `from_byte_not_prefixed`
[INFO] [stdout]   --> src/cpu/instruction.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn from_byte_not_prefixed(byte: u8) -> Option<Instruction> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/cpu/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn execute(&mut self, instruction: Instruction) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/cpu/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn add(&mut self, value: u8) -> u8 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from_byte_not_prefixed`
[INFO] [stdout]   --> src/cpu/instruction.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn from_byte_not_prefixed(byte: u8) -> Option<Instruction> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/cpu/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn execute(&mut self, instruction: Instruction) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/cpu/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn add(&mut self, value: u8) -> u8 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "1e4e07b853737cbace727d3f785a59cd21f1e516eda8e3fb10e5070c2815907a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e4e07b853737cbace727d3f785a59cd21f1e516eda8e3fb10e5070c2815907a", kill_on_drop: false }`
[INFO] [stdout] 1e4e07b853737cbace727d3f785a59cd21f1e516eda8e3fb10e5070c2815907a