[INFO] updating cached repository Guillaume-Mayer/rest-in-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Guillaume-Mayer/rest-in-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Guillaume-Mayer/rest-in-rust" "work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Guillaume-Mayer/rest-in-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Guillaume-Mayer/rest-in-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Guillaume-Mayer/rest-in-rust" "work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Guillaume-Mayer/rest-in-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Guillaume-Mayer/rest-in-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 86044d8fd37fe880df68d018ff0571c8b64f2da3 [INFO] sha for GitHub repo Guillaume-Mayer/rest-in-rust: 86044d8fd37fe880df68d018ff0571c8b64f2da3 [INFO] validating manifest of Guillaume-Mayer/rest-in-rust 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 Guillaume-Mayer/rest-in-rust 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 Guillaume-Mayer/rest-in-rust [INFO] finished frobbing Guillaume-Mayer/rest-in-rust [INFO] frobbed toml for Guillaume-Mayer/rest-in-rust written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Guillaume-Mayer/rest-in-rust/Cargo.toml [INFO] started frobbing Guillaume-Mayer/rest-in-rust [INFO] finished frobbing Guillaume-Mayer/rest-in-rust [INFO] frobbed toml for Guillaume-Mayer/rest-in-rust written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Guillaume-Mayer/rest-in-rust/Cargo.toml [INFO] crate Guillaume-Mayer/rest-in-rust has a lockfile. skipping [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 Guillaume-Mayer/rest-in-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Guillaume-Mayer/rest-in-rust:/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] 27f29d66e315f6f2f597d33dcf4ad196a92699fcb934b25d08e22e3260896778 [INFO] running `"docker" "start" "-a" "27f29d66e315f6f2f597d33dcf4ad196a92699fcb934b25d08e22e3260896778"` [INFO] [stderr] Checking iron v0.4.0 [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-0.4.0/src/middleware/mod.rs:339:1 [INFO] [stderr] | [INFO] [stderr] 322 | / impl BeforeMiddleware for F [INFO] [stderr] 323 | | where F: Send + Sync + 'static + Fn(&mut Request) -> IronResult<()> { [INFO] [stderr] 324 | | fn before(&self, req: &mut Request) -> IronResult<()> { [INFO] [stderr] 325 | | (*self)(req) [INFO] [stderr] 326 | | } [INFO] [stderr] 327 | | } [INFO] [stderr] | |_- first implementation here [INFO] [stderr] ... [INFO] [stderr] 339 | 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-0.4.0/src/middleware/mod.rs:366:1 [INFO] [stderr] | [INFO] [stderr] 349 | / impl AfterMiddleware for F [INFO] [stderr] 350 | | where F: Send + Sync + 'static + Fn(&mut Request, Response) -> IronResult { [INFO] [stderr] 351 | | fn after(&self, req: &mut Request, res: Response) -> IronResult { [INFO] [stderr] 352 | | (*self)(req, res) [INFO] [stderr] 353 | | } [INFO] [stderr] 354 | | } [INFO] [stderr] | |_- first implementation here [INFO] [stderr] ... [INFO] [stderr] 366 | 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] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "27f29d66e315f6f2f597d33dcf4ad196a92699fcb934b25d08e22e3260896778"` [INFO] running `"docker" "rm" "-f" "27f29d66e315f6f2f597d33dcf4ad196a92699fcb934b25d08e22e3260896778"` [INFO] [stdout] 27f29d66e315f6f2f597d33dcf4ad196a92699fcb934b25d08e22e3260896778