Dec 19 21:11:05.101 INFO checking Zensey/rust-json-helloworld against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:11:05.101 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/Zensey/rust-json-helloworld:/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 21:11:05.540 INFO [stdout] a3359f0e328cd4b8d05e26a7031d279c9e93d811f0aa582dd8e71b89cb6bb97c
Dec 19 21:11:05.546 INFO running `"docker" "start" "-a" "a3359f0e328cd4b8d05e26a7031d279c9e93d811f0aa582dd8e71b89cb6bb97c"`
Dec 19 21:11:07.240 INFO [stderr]     Checking tower-service v0.1.0
Dec 19 21:11:07.242 INFO [stderr]    Compiling synstructure v0.10.1
Dec 19 21:11:07.244 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 19 21:11:07.247 INFO [stderr]     Checking tokio-signal v0.2.7
Dec 19 21:11:07.628 INFO [stderr] error[E0119]: conflicting implementations of trait `NewService` for type `std::sync::Arc<_>`:
Dec 19 21:11:07.628 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tower-service-0.1.0/src/lib.rs:279:1
Dec 19 21:11:07.628 INFO [stderr]     |
Dec 19 21:11:07.628 INFO [stderr] 262 | / impl<F, R, E, S> NewService for F
Dec 19 21:11:07.628 INFO [stderr] 263 | |     where F: Fn() -> R,
Dec 19 21:11:07.628 INFO [stderr] 264 | |           R: IntoFuture<Item = S, Error = E>,
Dec 19 21:11:07.628 INFO [stderr] 265 | |           S: Service,
Dec 19 21:11:07.628 INFO [stderr] ...   |
Dec 19 21:11:07.628 INFO [stderr] 276 | |     }
Dec 19 21:11:07.628 INFO [stderr] 277 | | }
Dec 19 21:11:07.628 INFO [stderr]     | |_- first implementation here
Dec 19 21:11:07.628 INFO [stderr] 278 | 
Dec 19 21:11:07.628 INFO [stderr] 279 |   impl<S: NewService + ?Sized> NewService for Arc<S> {
Dec 19 21:11:07.628 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 21:11:07.628 INFO [stderr]     |
Dec 19 21:11:07.628 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<()>` for type `std::sync::Arc<_>`
Dec 19 21:11:07.628 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<()>` for type `std::sync::Arc<_>`
Dec 19 21:11:07.628 INFO [stderr] 
Dec 19 21:11:07.628 INFO [stderr] error[E0119]: conflicting implementations of trait `NewService` for type `std::rc::Rc<_>`:
Dec 19 21:11:07.628 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tower-service-0.1.0/src/lib.rs:292:1
Dec 19 21:11:07.628 INFO [stderr]     |
Dec 19 21:11:07.628 INFO [stderr] 262 | / impl<F, R, E, S> NewService for F
Dec 19 21:11:07.628 INFO [stderr] 263 | |     where F: Fn() -> R,
Dec 19 21:11:07.628 INFO [stderr] 264 | |           R: IntoFuture<Item = S, Error = E>,
Dec 19 21:11:07.628 INFO [stderr] 265 | |           S: Service,
Dec 19 21:11:07.628 INFO [stderr] ...   |
Dec 19 21:11:07.628 INFO [stderr] 276 | |     }
Dec 19 21:11:07.628 INFO [stderr] 277 | | }
Dec 19 21:11:07.628 INFO [stderr]     | |_- first implementation here
Dec 19 21:11:07.628 INFO [stderr] ...
Dec 19 21:11:07.628 INFO [stderr] 292 |   impl<S: NewService + ?Sized> NewService for Rc<S> {
Dec 19 21:11:07.628 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::rc::Rc<_>`
Dec 19 21:11:07.628 INFO [stderr]     |
Dec 19 21:11:07.628 INFO [stderr]     = note: downstream crates may implement trait `std::ops::FnOnce<()>` for type `std::rc::Rc<_>`
Dec 19 21:11:07.628 INFO [stderr]     = note: downstream crates may implement trait `std::ops::Fn<()>` for type `std::rc::Rc<_>`
Dec 19 21:11:07.628 INFO [stderr] 
Dec 19 21:11:07.629 INFO [stderr] error: aborting due to 2 previous errors
Dec 19 21:11:07.629 INFO [stderr] 
Dec 19 21:11:07.629 INFO [stderr] For more information about this error, try `rustc --explain E0119`.
Dec 19 21:11:07.629 INFO [stderr] error: Could not compile `tower-service`.
Dec 19 21:11:07.629 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 21:11:13.028 INFO [stderr] error: build failed
Dec 19 21:11:14.246 INFO running `"docker" "inspect" "a3359f0e328cd4b8d05e26a7031d279c9e93d811f0aa582dd8e71b89cb6bb97c"`
Dec 19 21:11:14.490 INFO running `"docker" "rm" "-f" "a3359f0e328cd4b8d05e26a7031d279c9e93d811f0aa582dd8e71b89cb6bb97c"`
Dec 19 21:11:14.812 INFO [stdout] a3359f0e328cd4b8d05e26a7031d279c9e93d811f0aa582dd8e71b89cb6bb97c