[INFO] crate iocp 0.0.6 is already in cache
[INFO] testing iocp-0.0.6 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate iocp 0.0.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate iocp 0.0.6 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate iocp 0.0.6
[INFO] finished tweaking crates.io crate iocp 0.0.6
[INFO] tweaked toml for crates.io crate iocp 0.0.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f21965aa609ff3e84128243e9c5bd32e7c7aeb060c34a4a4ac3ac2c2d80b052
[INFO] running `"docker" "start" "-a" "4f21965aa609ff3e84128243e9c5bd32e7c7aeb060c34a4a4ac3ac2c2d80b052"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling iocp v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected identifier, found `"kernel32-sys"`
[INFO] [stderr]  --> src/lib.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 | extern crate "kernel32-sys" as kernel32;
[INFO] [stderr]   |              ^^^^^^^^^^^^^^ expected identifier
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `iocp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4f21965aa609ff3e84128243e9c5bd32e7c7aeb060c34a4a4ac3ac2c2d80b052"`
[INFO] running `"docker" "rm" "-f" "4f21965aa609ff3e84128243e9c5bd32e7c7aeb060c34a4a4ac3ac2c2d80b052"`
[INFO] [stdout] 4f21965aa609ff3e84128243e9c5bd32e7c7aeb060c34a4a4ac3ac2c2d80b052