Dec 19 15:59:33.970 INFO checking hustshawn/rust-iron-demo against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:59:33.970 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/hustshawn/rust-iron-demo:/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=forbid" "-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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:59:34.407 INFO [stdout] 2926a189d1028b618210b9d984a3a5a7e74de18a332b7201c143c07b0d351df5
Dec 19 15:59:34.410 INFO running `"docker" "start" "-a" "2926a189d1028b618210b9d984a3a5a7e74de18a332b7201c143c07b0d351df5"`
Dec 19 15:59:35.026 INFO [stderr]     Checking hyper v0.10.12
Dec 19 15:59:37.847 INFO [stderr]     Checking iron v0.5.1
Dec 19 15:59:38.201 INFO [stderr] error[E0119]: conflicting implementations of trait `middleware::BeforeMiddleware` for type `std::sync::Arc<_>`:
Dec 19 15:59:38.201 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.5.1/src/middleware/mod.rs:339:1
Dec 19 15:59:38.202 INFO [stderr]     |
Dec 19 15:59:38.204 INFO [stderr] 322 | / impl<F> BeforeMiddleware for F
Dec 19 15:59:38.204 INFO [stderr] 323 | | where F: Send + Sync + 'static + Fn(&mut Request) -> IronResult<()> {
Dec 19 15:59:38.204 INFO [stderr] 324 | |     fn before(&self, req: &mut Request) -> IronResult<()> {
Dec 19 15:59:38.204 INFO [stderr] 325 | |         (*self)(req)
Dec 19 15:59:38.204 INFO [stderr] 326 | |     }
Dec 19 15:59:38.204 INFO [stderr] 327 | | }
Dec 19 15:59:38.204 INFO [stderr]     | |_- first implementation here
Dec 19 15:59:38.204 INFO [stderr] ...
Dec 19 15:59:38.204 INFO [stderr] 339 |   impl<T> BeforeMiddleware for Arc<T> where T: BeforeMiddleware {
Dec 19 15:59:38.204 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 15:59:38.204 INFO [stderr]     |
Dec 19 15:59:38.204 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>`
Dec 19 15:59:38.204 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>`
Dec 19 15:59:38.204 INFO [stderr] 
Dec 19 15:59:38.204 INFO [stderr] error[E0119]: conflicting implementations of trait `middleware::AfterMiddleware` for type `std::sync::Arc<_>`:
Dec 19 15:59:38.204 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.5.1/src/middleware/mod.rs:366:1
Dec 19 15:59:38.204 INFO [stderr]     |
Dec 19 15:59:38.204 INFO [stderr] 349 | / impl<F> AfterMiddleware for F
Dec 19 15:59:38.204 INFO [stderr] 350 | | where F: Send + Sync + 'static + Fn(&mut Request, Response) -> IronResult<Response> {
Dec 19 15:59:38.204 INFO [stderr] 351 | |     fn after(&self, req: &mut Request, res: Response) -> IronResult<Response> {
Dec 19 15:59:38.204 INFO [stderr] 352 | |         (*self)(req, res)
Dec 19 15:59:38.204 INFO [stderr] 353 | |     }
Dec 19 15:59:38.264 INFO [stderr] 354 | | }
Dec 19 15:59:38.264 INFO [stderr]     | |_- first implementation here
Dec 19 15:59:38.264 INFO [stderr] ...
Dec 19 15:59:38.264 INFO [stderr] 366 |   impl<T> AfterMiddleware for Arc<T> where T: AfterMiddleware {
Dec 19 15:59:38.264 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 15:59:38.264 INFO [stderr]     |
Dec 19 15:59:38.264 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>`
Dec 19 15:59:38.264 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>`
Dec 19 15:59:38.264 INFO [stderr] 
Dec 19 15:59:38.264 INFO [stderr] error: aborting due to 2 previous errors
Dec 19 15:59:38.265 INFO [stderr] 
Dec 19 15:59:38.265 INFO [stderr] For more information about this error, try `rustc --explain E0119`.
Dec 19 15:59:38.265 INFO [stderr] error: Could not compile `iron`.
Dec 19 15:59:38.265 INFO [stderr] 
Dec 19 15:59:38.265 INFO [stderr] To learn more, run the command again with --verbose.
Dec 19 15:59:38.996 INFO running `"docker" "inspect" "2926a189d1028b618210b9d984a3a5a7e74de18a332b7201c143c07b0d351df5"`
Dec 19 15:59:39.188 INFO running `"docker" "rm" "-f" "2926a189d1028b618210b9d984a3a5a7e74de18a332b7201c143c07b0d351df5"`
Dec 19 15:59:39.366 INFO [stdout] 2926a189d1028b618210b9d984a3a5a7e74de18a332b7201c143c07b0d351df5