[INFO] crate mdbook-presentation-preprocessor 0.2.0 is already in cache [INFO] extracting crate mdbook-presentation-preprocessor 0.2.0 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/mdbook-presentation-preprocessor/0.2.0 [INFO] extracting crate mdbook-presentation-preprocessor 0.2.0 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/mdbook-presentation-preprocessor/0.2.0 [INFO] validating manifest of mdbook-presentation-preprocessor-0.2.0 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mdbook-presentation-preprocessor-0.2.0 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mdbook-presentation-preprocessor-0.2.0 [INFO] finished frobbing mdbook-presentation-preprocessor-0.2.0 [INFO] frobbed toml for mdbook-presentation-preprocessor-0.2.0 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/mdbook-presentation-preprocessor/0.2.0/Cargo.toml [INFO] started frobbing mdbook-presentation-preprocessor-0.2.0 [INFO] finished frobbing mdbook-presentation-preprocessor-0.2.0 [INFO] frobbed toml for mdbook-presentation-preprocessor-0.2.0 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/mdbook-presentation-preprocessor/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mdbook-presentation-preprocessor-0.2.0 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/mdbook-presentation-preprocessor/0.2.0:/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"` [INFO] [stdout] 67e96d15123ee723bf54e4113aee88fb438259a01f3f03a7eaf9a08063ef9694 [INFO] running `"docker" "start" "-a" "67e96d15123ee723bf54e4113aee88fb438259a01f3f03a7eaf9a08063ef9694"` [INFO] [stderr] Compiling strum_macros v0.11.0 [INFO] [stderr] Checking docopt v1.0.2 [INFO] [stderr] Checking toml-query v0.7.0 [INFO] [stderr] Checking handlebars v1.1.0 [INFO] [stderr] Checking iron v0.6.0 [INFO] [stderr] error[E0119]: conflicting implementations of trait `middleware::BeforeMiddleware` for type `std::sync::Arc<_>`: [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.6.0/src/middleware/mod.rs:416:1 [INFO] [stderr] | [INFO] [stderr] 399 | / impl BeforeMiddleware for F [INFO] [stderr] 400 | | where F: Send + Sync + 'static + Fn(&mut Request) -> IronResult<()> { [INFO] [stderr] 401 | | fn before(&self, req: &mut Request) -> IronResult<()> { [INFO] [stderr] 402 | | (*self)(req) [INFO] [stderr] 403 | | } [INFO] [stderr] 404 | | } [INFO] [stderr] | |_- first implementation here [INFO] [stderr] ... [INFO] [stderr] 416 | impl BeforeMiddleware for Arc where T: BeforeMiddleware { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>` [INFO] [stderr] | [INFO] [stderr] = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>` [INFO] [stderr] = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>,)>` for type `std::sync::Arc<_>` [INFO] [stderr] [INFO] [stderr] error[E0119]: conflicting implementations of trait `middleware::AfterMiddleware` for type `std::sync::Arc<_>`: [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/iron-0.6.0/src/middleware/mod.rs:443:1 [INFO] [stderr] | [INFO] [stderr] 426 | / impl AfterMiddleware for F [INFO] [stderr] 427 | | where F: Send + Sync + 'static + Fn(&mut Request, Response) -> IronResult { [INFO] [stderr] 428 | | fn after(&self, req: &mut Request, res: Response) -> IronResult { [INFO] [stderr] 429 | | (*self)(req, res) [INFO] [stderr] 430 | | } [INFO] [stderr] 431 | | } [INFO] [stderr] | |_- first implementation here [INFO] [stderr] ... [INFO] [stderr] 443 | impl AfterMiddleware for Arc where T: AfterMiddleware { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>` [INFO] [stderr] | [INFO] [stderr] = note: downstream crates may implement trait `std::ops::FnOnce<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>` [INFO] [stderr] = note: downstream crates may implement trait `std::ops::Fn<(&mut request::Request<'_, '_>, response::Response)>` for type `std::sync::Arc<_>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0119`. [INFO] [stderr] error: Could not compile `iron`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "67e96d15123ee723bf54e4113aee88fb438259a01f3f03a7eaf9a08063ef9694"` [INFO] running `"docker" "rm" "-f" "67e96d15123ee723bf54e4113aee88fb438259a01f3f03a7eaf9a08063ef9694"` [INFO] [stdout] 67e96d15123ee723bf54e4113aee88fb438259a01f3f03a7eaf9a08063ef9694