Dec 19 05:16:08.648 INFO checking xobs/jig-20-interface-http against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:16:08.648 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/xobs/jig-20-interface-http:/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 05:16:09.144 INFO [stdout] 3756a5cdc216d5c766a464aa989575740d7b2de5b28796224c84e40a594d3fae
Dec 19 05:16:09.150 INFO running `"docker" "start" "-a" "3756a5cdc216d5c766a464aa989575740d7b2de5b28796224c84e40a594d3fae"`
Dec 19 05:16:10.736 INFO [stderr]     Checking unicode-normalization v0.1.3
Dec 19 05:16:10.736 INFO [stderr]     Checking libc v0.2.20
Dec 19 05:16:10.736 INFO [stderr]     Checking traitobject v0.0.1
Dec 19 05:16:10.752 INFO [stderr]     Checking rustc-serialize v0.3.22
Dec 19 05:16:10.752 INFO [stderr]     Checking modifier v0.1.0
Dec 19 05:16:10.752 INFO [stderr]     Checking lazy_static v0.2.2
Dec 19 05:16:10.756 INFO [stderr]     Checking num-traits v0.1.36
Dec 19 05:16:10.756 INFO [stderr]    Compiling quote v0.3.12
Dec 19 05:16:11.329 INFO [stderr]     Checking serde v0.8.23
Dec 19 05:16:11.344 INFO [stderr]     Checking itoa v0.1.1
Dec 19 05:16:11.629 INFO [stderr]     Checking dtoa v0.2.2
Dec 19 05:16:12.180 INFO [stderr]     Checking sequence_trie v0.2.1
Dec 19 05:16:12.632 INFO [stderr]     Checking strsim v0.6.0
Dec 19 05:16:13.588 INFO [stderr]     Checking serde v0.9.5
Dec 19 05:16:13.776 INFO [stderr]     Checking itoa v0.3.0
Dec 19 05:16:13.870 INFO [stderr]     Checking unicode-segmentation v1.1.0
Dec 19 05:16:15.024 INFO [stderr]     Checking dtoa v0.4.0
Dec 19 05:16:15.404 INFO [stderr]     Checking unicode-bidi v0.2.4
Dec 19 05:16:15.972 INFO [stderr]     Checking unsafe-any v0.4.1
Dec 19 05:16:16.168 INFO [stderr]     Checking mime v0.2.2
Dec 19 05:16:16.324 INFO [stderr]     Checking error v0.1.9
Dec 19 05:16:16.645 INFO [stderr]    Compiling syn v0.11.4
Dec 19 05:16:16.765 INFO [stderr]     Checking num_cpus v1.2.1
Dec 19 05:16:17.172 INFO [stderr]     Checking time v0.1.36
Dec 19 05:16:17.278 INFO [stderr]     Checking term_size v0.2.3
Dec 19 05:16:17.972 INFO [stderr]    Compiling hyper v0.10.4
Dec 19 05:16:18.051 INFO [stderr]     Checking typemap v0.3.3
Dec 19 05:16:19.347 INFO [stderr]     Checking clap v2.20.5
Dec 19 05:16:19.565 INFO [stderr]     Checking plugin v0.2.6
Dec 19 05:16:19.716 INFO [stderr]     Checking idna v0.1.0
Dec 19 05:16:25.047 INFO [stderr]     Checking url v1.4.0
Dec 19 05:16:36.743 INFO [stderr]     Checking serde_json v0.8.6
Dec 19 05:16:37.232 INFO [stderr]     Checking conduit-mime-types v0.7.3
Dec 19 05:16:37.632 INFO [stderr]    Compiling serde_codegen_internals v0.12.1
Dec 19 05:16:41.884 INFO [stderr]     Checking serde_json v0.9.4
Dec 19 05:16:42.220 INFO [stderr]    Compiling serde_derive v0.9.5
Dec 19 05:16:49.640 INFO [stderr]     Checking iron v0.5.1
Dec 19 05:16:49.880 INFO [stderr] error[E0119]: conflicting implementations of trait `middleware::BeforeMiddleware` for type `std::sync::Arc<_>`:
Dec 19 05:16:49.880 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.5.1/src/middleware/mod.rs:339:1
Dec 19 05:16:49.880 INFO [stderr]     |
Dec 19 05:16:49.880 INFO [stderr] 322 | / impl<F> BeforeMiddleware for F
Dec 19 05:16:49.880 INFO [stderr] 323 | | where F: Send + Sync + 'static + Fn(&mut Request) -> IronResult<()> {
Dec 19 05:16:49.880 INFO [stderr] 324 | |     fn before(&self, req: &mut Request) -> IronResult<()> {
Dec 19 05:16:49.880 INFO [stderr] 325 | |         (*self)(req)
Dec 19 05:16:49.881 INFO [stderr] 326 | |     }
Dec 19 05:16:49.881 INFO [stderr] 327 | | }
Dec 19 05:16:49.881 INFO [stderr]     | |_- first implementation here
Dec 19 05:16:49.881 INFO [stderr] ...
Dec 19 05:16:49.881 INFO [stderr] 339 |   impl<T> BeforeMiddleware for Arc<T> where T: BeforeMiddleware {
Dec 19 05:16:49.881 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 05:16:49.881 INFO [stderr]     |
Dec 19 05:16:49.881 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>`
Dec 19 05:16:49.881 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>`
Dec 19 05:16:49.881 INFO [stderr] 
Dec 19 05:16:49.881 INFO [stderr] error[E0119]: conflicting implementations of trait `middleware::AfterMiddleware` for type `std::sync::Arc<_>`:
Dec 19 05:16:49.881 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.5.1/src/middleware/mod.rs:366:1
Dec 19 05:16:49.881 INFO [stderr]     |
Dec 19 05:16:49.881 INFO [stderr] 349 | / impl<F> AfterMiddleware for F
Dec 19 05:16:49.881 INFO [stderr] 350 | | where F: Send + Sync + 'static + Fn(&mut Request, Response) -> IronResult<Response> {
Dec 19 05:16:49.881 INFO [stderr] 351 | |     fn after(&self, req: &mut Request, res: Response) -> IronResult<Response> {
Dec 19 05:16:49.881 INFO [stderr] 352 | |         (*self)(req, res)
Dec 19 05:16:49.881 INFO [stderr] 353 | |     }
Dec 19 05:16:49.881 INFO [stderr] 354 | | }
Dec 19 05:16:49.881 INFO [stderr]     | |_- first implementation here
Dec 19 05:16:49.881 INFO [stderr] ...
Dec 19 05:16:49.881 INFO [stderr] 366 |   impl<T> AfterMiddleware for Arc<T> where T: AfterMiddleware {
Dec 19 05:16:49.881 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 05:16:49.881 INFO [stderr]     |
Dec 19 05:16:49.881 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>`
Dec 19 05:16:49.881 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>`
Dec 19 05:16:49.881 INFO [stderr] 
Dec 19 05:16:49.938 INFO [stderr] error: aborting due to 2 previous errors
Dec 19 05:16:49.938 INFO [stderr] 
Dec 19 05:16:49.938 INFO [stderr] For more information about this error, try `rustc --explain E0119`.
Dec 19 05:16:49.940 INFO [stderr] error: Could not compile `iron`.
Dec 19 05:16:49.940 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 05:16:50.180 INFO [stderr] error: build failed
Dec 19 05:16:51.310 INFO running `"docker" "inspect" "3756a5cdc216d5c766a464aa989575740d7b2de5b28796224c84e40a594d3fae"`
Dec 19 05:16:51.686 INFO running `"docker" "rm" "-f" "3756a5cdc216d5c766a464aa989575740d7b2de5b28796224c84e40a594d3fae"`
Dec 19 05:16:52.064 INFO [stdout] 3756a5cdc216d5c766a464aa989575740d7b2de5b28796224c84e40a594d3fae