[INFO] updating cached repository https://github.com/g-mu-nu/rustendo-emulator-gameboy
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65d4de473cd4bc4282583d0f03a0cb6b9c3ef872
[INFO] checking g-mu-nu/rustendo-emulator-gameboy against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg-mu-nu%2Frustendo-emulator-gameboy" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/g-mu-nu/rustendo-emulator-gameboy on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/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 `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f091f37706ac4d7b3cce7b5f11fd3b5d06e521e0499a3c568734dc50e95b3985
[INFO] running `"docker" "start" "-a" "f091f37706ac4d7b3cce7b5f11fd3b5d06e521e0499a3c568734dc50e95b3985"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rustendo-emulator-gameboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `from_byte_not_prefixed`
[INFO] [stderr]   --> src/cpu/instruction.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn from_byte_not_prefixed(byte: u8) -> Option<Instruction> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]   --> src/cpu/mod.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn execute(&mut self, instruction: Instruction) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/cpu/mod.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn add(&mut self, value: u8) -> u8 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `from_byte_not_prefixed`
[INFO] [stderr]   --> src/cpu/instruction.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn from_byte_not_prefixed(byte: u8) -> Option<Instruction> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `execute`
[INFO] [stderr]   --> src/cpu/mod.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn execute(&mut self, instruction: Instruction) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/cpu/mod.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn add(&mut self, value: u8) -> u8 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "f091f37706ac4d7b3cce7b5f11fd3b5d06e521e0499a3c568734dc50e95b3985"`
[INFO] running `"docker" "rm" "-f" "f091f37706ac4d7b3cce7b5f11fd3b5d06e521e0499a3c568734dc50e95b3985"`
[INFO] [stdout] f091f37706ac4d7b3cce7b5f11fd3b5d06e521e0499a3c568734dc50e95b3985