Dec 19 15:42:41.449 INFO checking inner-product/mdbook-scala-wrapper against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 Dec 19 15:42:41.449 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/inner-product/mdbook-scala-wrapper:/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 15:42:41.900 INFO [stdout] 6abde63f4ad2758ef07d7b7fd0422d7aac8187ec9aeb977a596bdf075e6b0dc2 Dec 19 15:42:41.900 INFO running `"docker" "start" "-a" "6abde63f4ad2758ef07d7b7fd0422d7aac8187ec9aeb977a596bdf075e6b0dc2"` Dec 19 15:42:43.980 INFO [stderr] Checking strum v0.9.0 Dec 19 15:42:43.980 INFO [stderr] Checking is-match v0.1.0 Dec 19 15:42:43.980 INFO [stderr] Checking open v1.2.2 Dec 19 15:42:44.004 INFO [stderr] Checking pulldown-cmark v0.1.2 Dec 19 15:42:44.004 INFO [stderr] Compiling serde_json v1.0.32 Dec 19 15:42:44.004 INFO [stderr] Checking tempfile v3.0.4 Dec 19 15:42:44.004 INFO [stderr] Checking tokio-io v0.1.9 Dec 19 15:42:44.024 INFO [stderr] Checking ws v0.7.9 Dec 19 15:42:44.588 INFO [stderr] Compiling strum_macros v0.9.1 Dec 19 15:42:44.588 INFO [stderr] Compiling string_cache_codegen v0.4.1 Dec 19 15:42:44.969 INFO [stderr] Checking handlebars v1.0.5 Dec 19 15:42:45.799 INFO [stderr] Compiling mime_guess v1.8.6 Dec 19 15:42:48.064 INFO [stderr] Checking toml-query v0.7.0 Dec 19 15:42:57.060 INFO [stderr] Checking tokio-reactor v0.1.6 Dec 19 15:42:57.088 INFO [stderr] Checking pulldown-cmark-to-cmark v1.1.0 Dec 19 15:42:57.249 INFO [stderr] Compiling string_cache v0.7.3 Dec 19 15:43:00.772 INFO [stderr] Checking inotify v0.6.1 Dec 19 15:43:01.569 INFO [stderr] Checking elasticlunr-rs v2.3.3 Dec 19 15:43:02.988 INFO [stderr] Compiling markup5ever v0.7.3 Dec 19 15:43:04.192 INFO [stderr] Checking iron v0.6.0 Dec 19 15:43:04.973 INFO [stderr] Checking notify v4.0.6 Dec 19 15:43:05.247 INFO [stderr] error[E0119]: conflicting implementations of trait `middleware::BeforeMiddleware` for type `std::sync::Arc<_>`: Dec 19 15:43:05.247 INFO [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.6.0/src/middleware/mod.rs:416:1 Dec 19 15:43:05.247 INFO [stderr] | Dec 19 15:43:05.247 INFO [stderr] 399 | / impl BeforeMiddleware for F Dec 19 15:43:05.247 INFO [stderr] 400 | | where F: Send + Sync + 'static + Fn(&mut Request) -> IronResult<()> { Dec 19 15:43:05.247 INFO [stderr] 401 | | fn before(&self, req: &mut Request) -> IronResult<()> { Dec 19 15:43:05.247 INFO [stderr] 402 | | (*self)(req) Dec 19 15:43:05.247 INFO [stderr] 403 | | } Dec 19 15:43:05.247 INFO [stderr] 404 | | } Dec 19 15:43:05.247 INFO [stderr] | |_- first implementation here Dec 19 15:43:05.248 INFO [stderr] ... Dec 19 15:43:05.248 INFO [stderr] 416 | impl BeforeMiddleware for Arc where T: BeforeMiddleware { Dec 19 15:43:05.248 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>` Dec 19 15:43:05.248 INFO [stderr] | Dec 19 15:43:05.248 INFO [stderr] = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>` Dec 19 15:43:05.248 INFO [stderr] = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>` Dec 19 15:43:05.248 INFO [stderr] Dec 19 15:43:05.248 INFO [stderr] error[E0119]: conflicting implementations of trait `middleware::AfterMiddleware` for type `std::sync::Arc<_>`: Dec 19 15:43:05.248 INFO [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.6.0/src/middleware/mod.rs:443:1 Dec 19 15:43:05.248 INFO [stderr] | Dec 19 15:43:05.248 INFO [stderr] 426 | / impl AfterMiddleware for F Dec 19 15:43:05.248 INFO [stderr] 427 | | where F: Send + Sync + 'static + Fn(&mut Request, Response) -> IronResult { Dec 19 15:43:05.248 INFO [stderr] 428 | | fn after(&self, req: &mut Request, res: Response) -> IronResult { Dec 19 15:43:05.248 INFO [stderr] 429 | | (*self)(req, res) Dec 19 15:43:05.248 INFO [stderr] 430 | | } Dec 19 15:43:05.248 INFO [stderr] 431 | | } Dec 19 15:43:05.248 INFO [stderr] | |_- first implementation here Dec 19 15:43:05.248 INFO [stderr] ... Dec 19 15:43:05.248 INFO [stderr] 443 | impl AfterMiddleware for Arc where T: AfterMiddleware { Dec 19 15:43:05.248 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>` Dec 19 15:43:05.248 INFO [stderr] | Dec 19 15:43:05.248 INFO [stderr] = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>` Dec 19 15:43:05.248 INFO [stderr] = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>` Dec 19 15:43:05.248 INFO [stderr] Dec 19 15:43:05.528 INFO [stderr] error: aborting due to 2 previous errors Dec 19 15:43:05.528 INFO [stderr] Dec 19 15:43:05.528 INFO [stderr] For more information about this error, try `rustc --explain E0119`. Dec 19 15:43:05.589 INFO [stderr] error: Could not compile `iron`. Dec 19 15:43:05.589 INFO [stderr] warning: build failed, waiting for other jobs to finish... Dec 19 15:43:07.788 INFO [stderr] error: build failed Dec 19 15:43:08.902 INFO running `"docker" "inspect" "6abde63f4ad2758ef07d7b7fd0422d7aac8187ec9aeb977a596bdf075e6b0dc2"` Dec 19 15:43:09.254 INFO running `"docker" "rm" "-f" "6abde63f4ad2758ef07d7b7fd0422d7aac8187ec9aeb977a596bdf075e6b0dc2"` Dec 19 15:43:09.612 INFO [stdout] 6abde63f4ad2758ef07d7b7fd0422d7aac8187ec9aeb977a596bdf075e6b0dc2