[INFO] crate rgb 0.8.14 is already in cache
[INFO] checking rgb-0.8.14 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate rgb 0.8.14 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rgb 0.8.14 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rgb 0.8.14
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rgb 0.8.14
[INFO] tweaked toml for crates.io crate rgb 0.8.14 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rgb 0.8.14 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f6cd034eaf440b8f9e9a6ca1ff60b63604a1c3c501dd1519130f3c370dd9ca76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f6cd034eaf440b8f9e9a6ca1ff60b63604a1c3c501dd1519130f3c370dd9ca76"`
[INFO] [stderr]     Checking rgb v0.8.14 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/internal/ops.rs:290:69
[INFO] [stderr]     |
[INFO] [stderr] 290 |         assert_ne!(RGBA::new(255u8, 255, 0, 0), RED_RGBA+BLUE_RGBA);;
[INFO] [stderr]     |                                                                     ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "f6cd034eaf440b8f9e9a6ca1ff60b63604a1c3c501dd1519130f3c370dd9ca76"`
[INFO] running `"docker" "rm" "-f" "f6cd034eaf440b8f9e9a6ca1ff60b63604a1c3c501dd1519130f3c370dd9ca76"`
[INFO] [stdout] f6cd034eaf440b8f9e9a6ca1ff60b63604a1c3c501dd1519130f3c370dd9ca76