Dec 19 13:01:19.921 INFO checking mati865/rls_error against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:01:19.921 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/mati865/rls_error:/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 13:01:20.205 INFO [stdout] 2f12e5c468f9de3f664ae6d5a6e3bbbd85758037c8c89b337cb21a5a06e517a8
Dec 19 13:01:20.209 INFO running `"docker" "start" "-a" "2f12e5c468f9de3f664ae6d5a6e3bbbd85758037c8c89b337cb21a5a06e517a8"`
Dec 19 13:01:21.184 INFO [stderr]     Checking arc-swap v0.3.4
Dec 19 13:01:21.184 INFO [stderr]     Checking tower-service v0.1.0
Dec 19 13:01:21.196 INFO [stderr]     Checking crossbeam-epoch v0.6.0
Dec 19 13:01:21.202 INFO [stderr]    Compiling ring v0.13.3
Dec 19 13:01:21.202 INFO [stderr]     Checking url v1.7.2
Dec 19 13:01:21.202 INFO [stderr]    Compiling syn v0.15.18
Dec 19 13:01:21.205 INFO [stderr]     Checking backtrace v0.2.3
Dec 19 13:01:21.208 INFO [stderr]     Checking flate2 v1.0.4
Dec 19 13:01:21.616 INFO [stderr] error[E0119]: conflicting implementations of trait `NewService` for type `std::sync::Arc<_>`:
Dec 19 13:01:21.616 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tower-service-0.1.0/src/lib.rs:279:1
Dec 19 13:01:21.616 INFO [stderr]     |
Dec 19 13:01:21.616 INFO [stderr] 262 | / impl<F, R, E, S> NewService for F
Dec 19 13:01:21.616 INFO [stderr] 263 | |     where F: Fn() -> R,
Dec 19 13:01:21.616 INFO [stderr] 264 | |           R: IntoFuture<Item = S, Error = E>,
Dec 19 13:01:21.616 INFO [stderr] 265 | |           S: Service,
Dec 19 13:01:21.616 INFO [stderr] ...   |
Dec 19 13:01:21.616 INFO [stderr] 276 | |     }
Dec 19 13:01:21.616 INFO [stderr] 277 | | }
Dec 19 13:01:21.616 INFO [stderr]     | |_- first implementation here
Dec 19 13:01:21.616 INFO [stderr] 278 | 
Dec 19 13:01:21.616 INFO [stderr] 279 |   impl<S: NewService + ?Sized> NewService for Arc<S> {
Dec 19 13:01:21.616 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 13:01:21.616 INFO [stderr]     |
Dec 19 13:01:21.616 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<()>` for type `std::sync::Arc<_>`
Dec 19 13:01:21.616 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<()>` for type `std::sync::Arc<_>`
Dec 19 13:01:21.616 INFO [stderr] 
Dec 19 13:01:21.616 INFO [stderr] error[E0119]: conflicting implementations of trait `NewService` for type `std::rc::Rc<_>`:
Dec 19 13:01:21.616 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tower-service-0.1.0/src/lib.rs:292:1
Dec 19 13:01:21.616 INFO [stderr]     |
Dec 19 13:01:21.616 INFO [stderr] 262 | / impl<F, R, E, S> NewService for F
Dec 19 13:01:21.616 INFO [stderr] 263 | |     where F: Fn() -> R,
Dec 19 13:01:21.616 INFO [stderr] 264 | |           R: IntoFuture<Item = S, Error = E>,
Dec 19 13:01:21.616 INFO [stderr] 265 | |           S: Service,
Dec 19 13:01:21.616 INFO [stderr] ...   |
Dec 19 13:01:21.616 INFO [stderr] 276 | |     }
Dec 19 13:01:21.616 INFO [stderr] 277 | | }
Dec 19 13:01:21.616 INFO [stderr]     | |_- first implementation here
Dec 19 13:01:21.616 INFO [stderr] ...
Dec 19 13:01:21.616 INFO [stderr] 292 |   impl<S: NewService + ?Sized> NewService for Rc<S> {
Dec 19 13:01:21.616 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::rc::Rc<_>`
Dec 19 13:01:21.616 INFO [stderr]     |
Dec 19 13:01:21.616 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<()>` for type `std::rc::Rc<_>`
Dec 19 13:01:21.616 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<()>` for type `std::rc::Rc<_>`
Dec 19 13:01:21.617 INFO [stderr] 
Dec 19 13:01:21.617 INFO [stderr] error: aborting due to 2 previous errors
Dec 19 13:01:21.617 INFO [stderr] 
Dec 19 13:01:21.617 INFO [stderr] For more information about this error, try `rustc --explain E0119`.
Dec 19 13:01:21.624 INFO [stderr] error: Could not compile `tower-service`.
Dec 19 13:01:21.624 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 13:01:36.674 INFO [stderr] error: build failed
Dec 19 13:01:36.951 INFO running `"docker" "inspect" "2f12e5c468f9de3f664ae6d5a6e3bbbd85758037c8c89b337cb21a5a06e517a8"`
Dec 19 13:01:37.038 INFO running `"docker" "rm" "-f" "2f12e5c468f9de3f664ae6d5a6e3bbbd85758037c8c89b337cb21a5a06e517a8"`
Dec 19 13:01:37.156 INFO [stdout] 2f12e5c468f9de3f664ae6d5a6e3bbbd85758037c8c89b337cb21a5a06e517a8