[INFO] crate uart_16550 0.2.2 is already in cache
[INFO] checking uart_16550-0.2.2 against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] extracting crate uart_16550 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate uart_16550 0.2.2 on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate uart_16550 0.2.2
[INFO] finished tweaking crates.io crate uart_16550 0.2.2
[INFO] tweaked toml for crates.io crate uart_16550 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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] f516fd40e3a3269569872e5587fd83dba88b55d39b22f97b67162d22d0212c33
[INFO] running `"docker" "start" "-a" "f516fd40e3a3269569872e5587fd83dba88b55d39b22f97b67162d22d0212c33"`
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking x86_64 v0.8.3
[INFO] [stderr]     Checking uart_16550 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `"docker" "inspect" "f516fd40e3a3269569872e5587fd83dba88b55d39b22f97b67162d22d0212c33"`
[INFO] running `"docker" "rm" "-f" "f516fd40e3a3269569872e5587fd83dba88b55d39b22f97b67162d22d0212c33"`
[INFO] [stdout] f516fd40e3a3269569872e5587fd83dba88b55d39b22f97b67162d22d0212c33