[INFO] crate wepoll-binding 1.0.4 is already in cache
[INFO] testing wepoll-binding-1.0.4 against 1.38.0 for beta-1.39-1
[INFO] extracting crate wepoll-binding 1.0.4 into work/builds/worker-9/source
[INFO] validating manifest of crates.io crate wepoll-binding 1.0.4 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-9/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 0363c1ff16bbcf8a7a26a0471969dee9cf9b11ee92f2222362530b3500ef8625
[INFO] running `"docker" "start" "-a" "0363c1ff16bbcf8a7a26a0471969dee9cf9b11ee92f2222362530b3500ef8625"`
[INFO] [stderr]    Compiling wepoll-sys v1.0.3
[INFO] [stderr]    Compiling wepoll-binding v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stderr]  --> src/lib.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::os::windows::io::AsRawSocket;
[INFO] [stderr]   |              ^^^^^^^ could not find `windows` in `os`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsRawSocket` in this scope
[INFO] [stderr]    --> src/lib.rs:240:24
[INFO] [stderr]     |
[INFO] [stderr] 240 |     pub fn register<T: AsRawSocket>(
[INFO] [stderr]     |                        ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsRawSocket` in this scope
[INFO] [stderr]    --> src/lib.rs:271:26
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn reregister<T: AsRawSocket>(
[INFO] [stderr]     |                          ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsRawSocket` in this scope
[INFO] [stderr]    --> src/lib.rs:299:26
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub fn deregister<T: AsRawSocket>(&self, socket: &T) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AsRawSocket` in this scope
[INFO] [stderr]    --> src/lib.rs:316:34
[INFO] [stderr]     |
[INFO] [stderr] 316 |     fn register_or_reregister<T: AsRawSocket>(
[INFO] [stderr]     |                                  ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::windows::io::AsRawSocket`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::os::windows::io::AsRawSocket;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: Could not compile `wepoll-binding`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0363c1ff16bbcf8a7a26a0471969dee9cf9b11ee92f2222362530b3500ef8625"`
[INFO] running `"docker" "rm" "-f" "0363c1ff16bbcf8a7a26a0471969dee9cf9b11ee92f2222362530b3500ef8625"`
[INFO] [stdout] 0363c1ff16bbcf8a7a26a0471969dee9cf9b11ee92f2222362530b3500ef8625