[INFO] crate union-find 0.3.2 is already in cache
[INFO] checking union-find-0.3.2 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate union-find 0.3.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate union-find 0.3.2 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate union-find 0.3.2
[INFO] finished tweaking crates.io crate union-find 0.3.2
[INFO] tweaked toml for crates.io crate union-find 0.3.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] ce9ba6148ccf8e5b854993c2c47b794a97cbec9424792c7d440a19bbf3adfe0b
[INFO] running `"docker" "start" "-a" "ce9ba6148ccf8e5b854993c2c47b794a97cbec9424792c7d440a19bbf3adfe0b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking union-find v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "ce9ba6148ccf8e5b854993c2c47b794a97cbec9424792c7d440a19bbf3adfe0b"`
[INFO] running `"docker" "rm" "-f" "ce9ba6148ccf8e5b854993c2c47b794a97cbec9424792c7d440a19bbf3adfe0b"`
[INFO] [stdout] ce9ba6148ccf8e5b854993c2c47b794a97cbec9424792c7d440a19bbf3adfe0b