[INFO] fetching crate tcp-clone 0.99.4...
[INFO] checking tcp-clone-0.99.4 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate tcp-clone 0.99.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tcp-clone 0.99.4 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tcp-clone 0.99.4
[INFO] finished tweaking crates.io crate tcp-clone 0.99.4
[INFO] tweaked toml for crates.io crate tcp-clone 0.99.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tcp-clone 0.99.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 872021a650d898c3b848df0f31ec23844f1d259963cfe53b1e5f8295a60e3345
[INFO] running `"docker" "start" "-a" "872021a650d898c3b848df0f31ec23844f1d259963cfe53b1e5f8295a60e3345"`
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking mio v0.6.20
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking broadcaster v0.2.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking tcp-clone v0.99.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.89s
[INFO] running `"docker" "inspect" "872021a650d898c3b848df0f31ec23844f1d259963cfe53b1e5f8295a60e3345"`
[INFO] running `"docker" "rm" "-f" "872021a650d898c3b848df0f31ec23844f1d259963cfe53b1e5f8295a60e3345"`
[INFO] [stdout] 872021a650d898c3b848df0f31ec23844f1d259963cfe53b1e5f8295a60e3345