[INFO] crate wepoll-binding 1.0.4 is already in cache
[INFO] checking wepoll-binding-1.0.4 against beta-2019-10-27 for pr-65897
[INFO] extracting crate wepoll-binding 1.0.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wepoll-binding 1.0.4 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wepoll-binding 1.0.4
[INFO] finished tweaking crates.io crate wepoll-binding 1.0.4
[INFO] tweaked toml for crates.io crate wepoll-binding 1.0.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=allow" "-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-2019-10-27" "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] 4675d79df30a89a2ed3b7afc68c9359fc3aa61d528f0582b3468107828eec051
[INFO] running `"docker" "start" "-a" "4675d79df30a89a2ed3b7afc68c9359fc3aa61d528f0582b3468107828eec051"`
[INFO] [stderr]    Compiling wepoll-sys v1.0.3
[INFO] [stderr] error[E0277]: `epoll_data` doesn't implement `std::fmt::Debug`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/wepoll-sys-87ee08b7aa5c3003/out/bindings.rs:319:5
[INFO] [stderr]     |
[INFO] [stderr] 319 |     pub data: epoll_data_t,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^ `epoll_data` cannot be formatted using `{:?}`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::fmt::Debug` is not implemented for `epoll_data`
[INFO] [stderr]     = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::fmt::Debug` for `&epoll_data`
[INFO] [stderr]     = note: required for the cast to the object type `dyn std::fmt::Debug`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `wepoll-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4675d79df30a89a2ed3b7afc68c9359fc3aa61d528f0582b3468107828eec051"`
[INFO] running `"docker" "rm" "-f" "4675d79df30a89a2ed3b7afc68c9359fc3aa61d528f0582b3468107828eec051"`
[INFO] [stdout] 4675d79df30a89a2ed3b7afc68c9359fc3aa61d528f0582b3468107828eec051