[INFO] crate wepoll-sys 1.0.3 is already in cache
[INFO] extracting crate wepoll-sys 1.0.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/wepoll-sys/1.0.3
[INFO] extracting crate wepoll-sys 1.0.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wepoll-sys/1.0.3
[INFO] validating manifest of wepoll-sys-1.0.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wepoll-sys-1.0.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wepoll-sys-1.0.3
[INFO] finished frobbing wepoll-sys-1.0.3
[INFO] frobbed toml for wepoll-sys-1.0.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/wepoll-sys/1.0.3/Cargo.toml
[INFO] started frobbing wepoll-sys-1.0.3
[INFO] finished frobbing wepoll-sys-1.0.3
[INFO] frobbed toml for wepoll-sys-1.0.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wepoll-sys/1.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wepoll-sys-1.0.3 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wepoll-sys/1.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 70b288772f595878cb3630f43776f4060e9f825070d3d1bdbd333d75fa80dde8
[INFO] running `"docker" "start" "-a" "70b288772f595878cb3630f43776f4060e9f825070d3d1bdbd333d75fa80dde8"`
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling wepoll-sys v1.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.83s
[INFO] running `"docker" "inspect" "70b288772f595878cb3630f43776f4060e9f825070d3d1bdbd333d75fa80dde8"`
[INFO] running `"docker" "rm" "-f" "70b288772f595878cb3630f43776f4060e9f825070d3d1bdbd333d75fa80dde8"`
[INFO] [stdout] 70b288772f595878cb3630f43776f4060e9f825070d3d1bdbd333d75fa80dde8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wepoll-sys/1.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7c1e39d44503eb3abd3525efeb0cadc87b3a24b593f27b739bfc812e99b3acb3
[INFO] running `"docker" "start" "-a" "7c1e39d44503eb3abd3525efeb0cadc87b3a24b593f27b739bfc812e99b3acb3"`
[INFO] [stderr]    Compiling wepoll-sys v1.0.3 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stderr]   --> src/lib.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use std::os::windows::io::AsRawSocket;
[INFO] [stderr]    |                  ^^^^^^^ could not find `windows` in `os`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::windows::io::AsRawSocket`
[INFO] [stderr]   --> src/lib.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use std::os::windows::io::AsRawSocket;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_raw_socket` found for type `std::net::UdpSocket` in the current scope
[INFO] [stderr]   --> src/lib.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 socket.as_raw_socket() as usize,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[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" "7c1e39d44503eb3abd3525efeb0cadc87b3a24b593f27b739bfc812e99b3acb3"`
[INFO] running `"docker" "rm" "-f" "7c1e39d44503eb3abd3525efeb0cadc87b3a24b593f27b739bfc812e99b3acb3"`
[INFO] [stdout] 7c1e39d44503eb3abd3525efeb0cadc87b3a24b593f27b739bfc812e99b3acb3