[INFO] cloning repository https://github.com/Sam-Belliveau/samb_gb
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sam-Belliveau/samb_gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam-Belliveau%2Fsamb_gb"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam-Belliveau%2Fsamb_gb'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3504a9ca0d27249c615b8dbd75a764bd93aff1c7
[INFO] checking Sam-Belliveau/samb_gb against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam-Belliveau%2Fsamb_gb" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sam-Belliveau/samb_gb on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Sam-Belliveau/samb_gb
[INFO] finished tweaking git repo https://github.com/Sam-Belliveau/samb_gb
[INFO] tweaked toml for git repo https://github.com/Sam-Belliveau/samb_gb written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sam-Belliveau/samb_gb already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 7a09f6ea27165facbbb8613ea06546d5b14a7e420250a4f3f2431c3e9b2bd39f
[INFO] running `"docker" "start" "-a" "7a09f6ea27165facbbb8613ea06546d5b14a7e420250a4f3f2431c3e9b2bd39f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking samb_gb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::gb::cpu::CPU`
[INFO] [stderr]  --> src/gb/opcodes/ops/bit.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::gb::cpu::CPU;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::gb::cpu::CPU`
[INFO] [stderr]  --> src/gb/opcodes/ops/bit.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::gb::cpu::CPU;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "7a09f6ea27165facbbb8613ea06546d5b14a7e420250a4f3f2431c3e9b2bd39f"`
[INFO] running `"docker" "rm" "-f" "7a09f6ea27165facbbb8613ea06546d5b14a7e420250a4f3f2431c3e9b2bd39f"`
[INFO] [stdout] 7a09f6ea27165facbbb8613ea06546d5b14a7e420250a4f3f2431c3e9b2bd39f