Dec 19 18:13:52.085 INFO checking dbrgn/acra-collector against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:13:52.085 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/dbrgn/acra-collector:/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 18:13:52.628 INFO [stdout] a61e0be29231403670ee36bccb5b88bd736bcabd3d787f0ebdfeb8b83cdd35c8
Dec 19 18:13:52.634 INFO running `"docker" "start" "-a" "a61e0be29231403670ee36bccb5b88bd736bcabd3d787f0ebdfeb8b83cdd35c8"`
Dec 19 18:13:54.636 INFO [stderr]    Compiling openssl-sys v0.9.27
Dec 19 18:13:54.636 INFO [stderr]    Compiling email v0.0.18
Dec 19 18:13:54.652 INFO [stderr]     Checking uuid v0.4.0
Dec 19 18:13:54.656 INFO [stderr]     Checking hyper v0.10.13
Dec 19 18:13:54.656 INFO [stderr]     Checking chrono v0.4.0
Dec 19 18:13:54.656 INFO [stderr]     Checking env_logger v0.5.5
Dec 19 18:13:54.656 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 19 18:13:54.848 INFO [stderr]    Compiling openssl v0.9.24
Dec 19 18:13:56.472 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 19 18:13:58.300 INFO [stderr]    Compiling mime_guess v1.8.4
Dec 19 18:14:06.436 INFO [stderr]     Checking lettre v0.6.2
Dec 19 18:14:07.485 INFO [stderr]     Checking iron v0.6.0
Dec 19 18:14:08.376 INFO [stderr] error[E0119]: conflicting implementations of trait `middleware::BeforeMiddleware` for type `std::sync::Arc<_>`:
Dec 19 18:14:08.376 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.6.0/src/middleware/mod.rs:416:1
Dec 19 18:14:08.376 INFO [stderr]     |
Dec 19 18:14:08.376 INFO [stderr] 399 | / impl<F> BeforeMiddleware for F
Dec 19 18:14:08.376 INFO [stderr] 400 | | where F: Send + Sync + 'static + Fn(&mut Request) -> IronResult<()> {
Dec 19 18:14:08.376 INFO [stderr] 401 | |     fn before(&self, req: &mut Request) -> IronResult<()> {
Dec 19 18:14:08.376 INFO [stderr] 402 | |         (*self)(req)
Dec 19 18:14:08.376 INFO [stderr] 403 | |     }
Dec 19 18:14:08.376 INFO [stderr] 404 | | }
Dec 19 18:14:08.376 INFO [stderr]     | |_- first implementation here
Dec 19 18:14:08.376 INFO [stderr] ...
Dec 19 18:14:08.376 INFO [stderr] 416 |   impl<T> BeforeMiddleware for Arc<T> where T: BeforeMiddleware {
Dec 19 18:14:08.376 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 18:14:08.376 INFO [stderr]     |
Dec 19 18:14:08.377 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>`
Dec 19 18:14:08.377 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>`
Dec 19 18:14:08.377 INFO [stderr] 
Dec 19 18:14:08.377 INFO [stderr] error[E0119]: conflicting implementations of trait `middleware::AfterMiddleware` for type `std::sync::Arc<_>`:
Dec 19 18:14:08.377 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.6.0/src/middleware/mod.rs:443:1
Dec 19 18:14:08.377 INFO [stderr]     |
Dec 19 18:14:08.377 INFO [stderr] 426 | / impl<F> AfterMiddleware for F
Dec 19 18:14:08.377 INFO [stderr] 427 | | where F: Send + Sync + 'static + Fn(&mut Request, Response) -> IronResult<Response> {
Dec 19 18:14:08.377 INFO [stderr] 428 | |     fn after(&self, req: &mut Request, res: Response) -> IronResult<Response> {
Dec 19 18:14:08.377 INFO [stderr] 429 | |         (*self)(req, res)
Dec 19 18:14:08.377 INFO [stderr] 430 | |     }
Dec 19 18:14:08.377 INFO [stderr] 431 | | }
Dec 19 18:14:08.377 INFO [stderr]     | |_- first implementation here
Dec 19 18:14:08.377 INFO [stderr] ...
Dec 19 18:14:08.377 INFO [stderr] 443 |   impl<T> AfterMiddleware for Arc<T> where T: AfterMiddleware {
Dec 19 18:14:08.377 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 18:14:08.377 INFO [stderr]     |
Dec 19 18:14:08.377 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>`
Dec 19 18:14:08.377 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>`
Dec 19 18:14:08.377 INFO [stderr] 
Dec 19 18:14:08.436 INFO [stderr] error: aborting due to 2 previous errors
Dec 19 18:14:08.436 INFO [stderr] 
Dec 19 18:14:08.436 INFO [stderr] For more information about this error, try `rustc --explain E0119`.
Dec 19 18:14:08.456 INFO [stderr] error: Could not compile `iron`.
Dec 19 18:14:08.456 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 18:14:08.588 INFO [stderr] error: build failed
Dec 19 18:14:09.414 INFO running `"docker" "inspect" "a61e0be29231403670ee36bccb5b88bd736bcabd3d787f0ebdfeb8b83cdd35c8"`
Dec 19 18:14:09.701 INFO running `"docker" "rm" "-f" "a61e0be29231403670ee36bccb5b88bd736bcabd3d787f0ebdfeb8b83cdd35c8"`
Dec 19 18:14:09.946 INFO [stdout] a61e0be29231403670ee36bccb5b88bd736bcabd3d787f0ebdfeb8b83cdd35c8