Dec 19 20:20:50.073 INFO checking arminha/covet against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:20:50.073 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/arminha/covet:/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 20:20:50.617 INFO [stdout] f67f2afaa711d9c7de634da446acb3aafefc5387b428f207b748cfe249f0fdcc
Dec 19 20:20:50.622 INFO running `"docker" "start" "-a" "f67f2afaa711d9c7de634da446acb3aafefc5387b428f207b748cfe249f0fdcc"`
Dec 19 20:20:52.304 INFO [stderr]    Compiling atty v0.2.10
Dec 19 20:20:52.304 INFO [stderr]    Compiling textwrap v0.9.0
Dec 19 20:20:52.304 INFO [stderr]     Checking xmltree v0.8.0
Dec 19 20:20:52.312 INFO [stderr]     Checking hyper v0.10.13
Dec 19 20:20:54.045 INFO [stderr]    Compiling clap v2.31.2
Dec 19 20:20:58.674 INFO [stderr]     Checking iron v0.6.0
Dec 19 20:20:58.674 INFO [stderr]     Checking hyper-native-tls v0.2.4
Dec 19 20:20:59.324 INFO [stderr] error[E0119]: conflicting implementations of trait `middleware::BeforeMiddleware` for type `std::sync::Arc<_>`:
Dec 19 20:20:59.324 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.6.0/src/middleware/mod.rs:416:1
Dec 19 20:20:59.324 INFO [stderr]     |
Dec 19 20:20:59.324 INFO [stderr] 399 | / impl<F> BeforeMiddleware for F
Dec 19 20:20:59.324 INFO [stderr] 400 | | where F: Send + Sync + 'static + Fn(&mut Request) -> IronResult<()> {
Dec 19 20:20:59.324 INFO [stderr] 401 | |     fn before(&self, req: &mut Request) -> IronResult<()> {
Dec 19 20:20:59.324 INFO [stderr] 402 | |         (*self)(req)
Dec 19 20:20:59.324 INFO [stderr] 403 | |     }
Dec 19 20:20:59.324 INFO [stderr] 404 | | }
Dec 19 20:20:59.324 INFO [stderr]     | |_- first implementation here
Dec 19 20:20:59.324 INFO [stderr] ...
Dec 19 20:20:59.324 INFO [stderr] 416 |   impl<T> BeforeMiddleware for Arc<T> where T: BeforeMiddleware {
Dec 19 20:20:59.324 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 20:20:59.324 INFO [stderr]     |
Dec 19 20:20:59.324 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>`
Dec 19 20:20:59.325 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>`
Dec 19 20:20:59.325 INFO [stderr] 
Dec 19 20:20:59.325 INFO [stderr] error[E0119]: conflicting implementations of trait `middleware::AfterMiddleware` for type `std::sync::Arc<_>`:
Dec 19 20:20:59.325 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.6.0/src/middleware/mod.rs:443:1
Dec 19 20:20:59.325 INFO [stderr]     |
Dec 19 20:20:59.325 INFO [stderr] 426 | / impl<F> AfterMiddleware for F
Dec 19 20:20:59.325 INFO [stderr] 427 | | where F: Send + Sync + 'static + Fn(&mut Request, Response) -> IronResult<Response> {
Dec 19 20:20:59.325 INFO [stderr] 428 | |     fn after(&self, req: &mut Request, res: Response) -> IronResult<Response> {
Dec 19 20:20:59.325 INFO [stderr] 429 | |         (*self)(req, res)
Dec 19 20:20:59.325 INFO [stderr] 430 | |     }
Dec 19 20:20:59.325 INFO [stderr] 431 | | }
Dec 19 20:20:59.325 INFO [stderr]     | |_- first implementation here
Dec 19 20:20:59.325 INFO [stderr] ...
Dec 19 20:20:59.325 INFO [stderr] 443 |   impl<T> AfterMiddleware for Arc<T> where T: AfterMiddleware {
Dec 19 20:20:59.325 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 20:20:59.325 INFO [stderr]     |
Dec 19 20:20:59.325 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>`
Dec 19 20:20:59.325 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>`
Dec 19 20:20:59.325 INFO [stderr] 
Dec 19 20:20:59.404 INFO [stderr] error: aborting due to 2 previous errors
Dec 19 20:20:59.404 INFO [stderr] 
Dec 19 20:20:59.404 INFO [stderr] For more information about this error, try `rustc --explain E0119`.
Dec 19 20:20:59.410 INFO [stderr] error: Could not compile `iron`.
Dec 19 20:20:59.410 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 20:21:08.959 INFO [stderr] error: build failed
Dec 19 20:21:09.746 INFO running `"docker" "inspect" "f67f2afaa711d9c7de634da446acb3aafefc5387b428f207b748cfe249f0fdcc"`
Dec 19 20:21:10.180 INFO running `"docker" "rm" "-f" "f67f2afaa711d9c7de634da446acb3aafefc5387b428f207b748cfe249f0fdcc"`
Dec 19 20:21:10.543 INFO [stdout] f67f2afaa711d9c7de634da446acb3aafefc5387b428f207b748cfe249f0fdcc