Dec 19 05:52:49.713 INFO checking vt6/6shell against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:52:49.713 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/vt6/6shell:/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 05:52:50.182 INFO [stdout] 1b102a56e4774c5d124f910a9c68ffb0e52eb9156dfa1b146d979e495f218f61
Dec 19 05:52:50.188 INFO running `"docker" "start" "-a" "1b102a56e4774c5d124f910a9c68ffb0e52eb9156dfa1b146d979e495f218f61"`
Dec 19 05:52:52.350 INFO [stderr]     Checking lazycell v1.0.0
Dec 19 05:52:52.350 INFO [stderr]    Compiling procedural-masquerade v0.1.5
Dec 19 05:52:52.350 INFO [stderr]     Checking glob v0.2.11
Dec 19 05:52:52.356 INFO [stderr]     Checking conch-parser v0.1.0
Dec 19 05:52:52.368 INFO [stderr]     Checking smallvec v0.6.5
Dec 19 05:52:52.398 INFO [stderr]    Compiling syn v0.11.11
Dec 19 05:52:52.398 INFO [stderr]     Checking tokio-io v0.1.8
Dec 19 05:52:52.398 INFO [stderr]     Checking tokio-threadpool v0.1.6
Dec 19 05:52:53.081 INFO [stderr]     Checking mio v0.6.16
Dec 19 05:52:55.444 INFO [stderr]     Checking tokio-codec v0.1.0
Dec 19 05:52:56.576 INFO [stderr]     Checking parking_lot_core v0.3.0
Dec 19 05:52:57.301 INFO [stderr]     Checking tokio-fs v0.1.3
Dec 19 05:52:58.284 INFO [stderr]     Checking mio-uds v0.6.7
Dec 19 05:52:58.893 INFO [stderr]     Checking parking_lot v0.6.4
Dec 19 05:53:00.200 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 19 05:53:01.429 INFO [stderr]     Checking tokio-tcp v0.1.1
Dec 19 05:53:01.429 INFO [stderr]     Checking tokio-udp v0.1.2
Dec 19 05:53:01.430 INFO [stderr]     Checking tokio-uds v0.2.1
Dec 19 05:53:02.756 INFO [stderr]     Checking tokio v0.1.8
Dec 19 05:53:03.904 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 05:53:06.372 INFO [stderr]     Checking tokio-signal v0.1.5
Dec 19 05:53:07.776 INFO [stderr]     Checking tokio-process v0.1.6
Dec 19 05:53:09.767 INFO [stderr]    Compiling rental-impl v0.4.15
Dec 19 05:53:19.612 INFO [stderr]     Checking rental v0.4.16
Dec 19 05:53:20.260 INFO [stderr]     Checking conch-runtime v0.1.4
Dec 19 05:53:21.440 INFO [stderr] error[E0119]: conflicting implementations of trait `spawn::SpawnRef<_>` for type `std::rc::Rc<_>`:
Dec 19 05:53:21.440 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/conch-runtime-0.1.4/src/spawn/rc.rs:86:9
Dec 19 05:53:21.440 INFO [stderr]     |
Dec 19 05:53:21.440 INFO [stderr] 86  | /         impl<T: ?Sized, E: ?Sized> SpawnRef<E> for $Rc<T>
Dec 19 05:53:21.440 INFO [stderr] 87  | |             where T: 'static + SpawnBoxed<E>,
Dec 19 05:53:21.441 INFO [stderr] 88  | |                   E: 'static,
Dec 19 05:53:21.441 INFO [stderr] 89  | |         {
Dec 19 05:53:21.441 INFO [stderr] ...   |
Dec 19 05:53:21.441 INFO [stderr] 96  | |             }
Dec 19 05:53:21.441 INFO [stderr] 97  | |         }
Dec 19 05:53:21.441 INFO [stderr]     | |_________^ conflicting implementation for `std::rc::Rc<_>`
Dec 19 05:53:21.441 INFO [stderr] ...
Dec 19 05:53:21.441 INFO [stderr] 147 |   impl_spawn!(rental_rc, Rc, OwnedSpawnRefRc);
Dec 19 05:53:21.441 INFO [stderr]     |   -------------------------------------------- in this macro invocation
Dec 19 05:53:21.441 INFO [stderr]     | 
Dec 19 05:53:21.441 INFO [stderr]    ::: /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/conch-runtime-0.1.4/src/spawn/mod.rs:174:1
Dec 19 05:53:21.441 INFO [stderr]     |
Dec 19 05:53:21.441 INFO [stderr] 174 | / impl<S, E: ?Sized> SpawnRef<E> for S
Dec 19 05:53:21.441 INFO [stderr] 175 | |     where S: Spawn<E> + Ref,
Dec 19 05:53:21.441 INFO [stderr] 176 | | {
Dec 19 05:53:21.441 INFO [stderr] 177 | |     type EnvFuture = S::EnvFuture;
Dec 19 05:53:21.441 INFO [stderr] ...   |
Dec 19 05:53:21.441 INFO [stderr] 183 | |     }
Dec 19 05:53:21.441 INFO [stderr] 184 | | }
Dec 19 05:53:21.441 INFO [stderr]     | |_- first implementation here
Dec 19 05:53:21.441 INFO [stderr]     |
Dec 19 05:53:21.441 INFO [stderr]     = note: downstream crates may implement trait `spawn::Ref` for type `std::rc::Rc<_>`
Dec 19 05:53:21.441 INFO [stderr] 
Dec 19 05:53:21.441 INFO [stderr] error[E0119]: conflicting implementations of trait `spawn::SpawnRef<_>` for type `std::sync::Arc<_>`:
Dec 19 05:53:21.441 INFO [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/conch-runtime-0.1.4/src/spawn/rc.rs:86:9
Dec 19 05:53:21.441 INFO [stderr]     |
Dec 19 05:53:21.441 INFO [stderr] 86  | /         impl<T: ?Sized, E: ?Sized> SpawnRef<E> for $Rc<T>
Dec 19 05:53:21.441 INFO [stderr] 87  | |             where T: 'static + SpawnBoxed<E>,
Dec 19 05:53:21.441 INFO [stderr] 88  | |                   E: 'static,
Dec 19 05:53:21.441 INFO [stderr] 89  | |         {
Dec 19 05:53:21.441 INFO [stderr] ...   |
Dec 19 05:53:21.441 INFO [stderr] 96  | |             }
Dec 19 05:53:21.441 INFO [stderr] 97  | |         }
Dec 19 05:53:21.441 INFO [stderr]     | |_________^ conflicting implementation for `std::sync::Arc<_>`
Dec 19 05:53:21.441 INFO [stderr] ...
Dec 19 05:53:21.441 INFO [stderr] 148 |   impl_spawn!(rental_arc, Arc, OwnedSpawnRefArc);
Dec 19 05:53:21.441 INFO [stderr]     |   ----------------------------------------------- in this macro invocation
Dec 19 05:53:21.441 INFO [stderr]     | 
Dec 19 05:53:21.441 INFO [stderr]    ::: /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/conch-runtime-0.1.4/src/spawn/mod.rs:174:1
Dec 19 05:53:21.441 INFO [stderr]     |
Dec 19 05:53:21.441 INFO [stderr] 174 | / impl<S, E: ?Sized> SpawnRef<E> for S
Dec 19 05:53:21.441 INFO [stderr] 175 | |     where S: Spawn<E> + Ref,
Dec 19 05:53:21.441 INFO [stderr] 176 | | {
Dec 19 05:53:21.441 INFO [stderr] 177 | |     type EnvFuture = S::EnvFuture;
Dec 19 05:53:21.441 INFO [stderr] ...   |
Dec 19 05:53:21.441 INFO [stderr] 183 | |     }
Dec 19 05:53:21.441 INFO [stderr] 184 | | }
Dec 19 05:53:21.441 INFO [stderr]     | |_- first implementation here
Dec 19 05:53:21.441 INFO [stderr]     |
Dec 19 05:53:21.441 INFO [stderr]     = note: downstream crates may implement trait `spawn::Ref` for type `std::sync::Arc<_>`
Dec 19 05:53:21.441 INFO [stderr] 
Dec 19 05:53:21.537 INFO [stderr] error: aborting due to 2 previous errors
Dec 19 05:53:21.537 INFO [stderr] 
Dec 19 05:53:21.540 INFO [stderr] For more information about this error, try `rustc --explain E0119`.
Dec 19 05:53:21.556 INFO [stderr] error: Could not compile `conch-runtime`.
Dec 19 05:53:21.556 INFO [stderr] 
Dec 19 05:53:21.556 INFO [stderr] To learn more, run the command again with --verbose.
Dec 19 05:53:22.432 INFO running `"docker" "inspect" "1b102a56e4774c5d124f910a9c68ffb0e52eb9156dfa1b146d979e495f218f61"`
Dec 19 05:53:22.726 INFO running `"docker" "rm" "-f" "1b102a56e4774c5d124f910a9c68ffb0e52eb9156dfa1b146d979e495f218f61"`
Dec 19 05:53:23.032 INFO [stdout] 1b102a56e4774c5d124f910a9c68ffb0e52eb9156dfa1b146d979e495f218f61