[INFO] crate futures-preview 0.3.0-alpha.10 is already in cache
[INFO] extracting crate futures-preview 0.3.0-alpha.10 into work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/futures-preview/0.3.0-alpha.10
[INFO] extracting crate futures-preview 0.3.0-alpha.10 into work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/futures-preview/0.3.0-alpha.10
[INFO] validating manifest of futures-preview-0.3.0-alpha.10 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of futures-preview-0.3.0-alpha.10 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing futures-preview-0.3.0-alpha.10
[INFO] finished frobbing futures-preview-0.3.0-alpha.10
[INFO] frobbed toml for futures-preview-0.3.0-alpha.10 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/futures-preview/0.3.0-alpha.10/Cargo.toml
[INFO] started frobbing futures-preview-0.3.0-alpha.10
[INFO] finished frobbing futures-preview-0.3.0-alpha.10
[INFO] frobbed toml for futures-preview-0.3.0-alpha.10 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/futures-preview/0.3.0-alpha.10/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking futures-preview-0.3.0-alpha.10 against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-0/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/futures-preview/0.3.0-alpha.10:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ae1a5f031f39933b4f5b1fa35658530f2f105dc101406488d0832732c84a0630
[INFO] running `"docker" "start" "-a" "ae1a5f031f39933b4f5b1fa35658530f2f105dc101406488d0832732c84a0630"`
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.12
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.12
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.10 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | #![feature(pin, arbitrary_self_types, futures_api)]
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | #![feature(pin, arbitrary_self_types, futures_api)]
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: trait `Unpin` is private
[INFO] [stderr]   --> tests/join_all.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::pin::Unpin;
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0603`.
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/oneshot.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `futures_test::future::FutureTestExt`
[INFO] [stderr]  --> tests/oneshot.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> tests/recurse.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(pin, arbitrary_self_types, futures_api)]
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:15:16: 15:36 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:15:38
[INFO] [stderr]    |
[INFO] [stderr] 15 |     rx1.map_ok(move |x| tx2.send(x)).run_in_background();
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:26:16: 26:45 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:26:47
[INFO] [stderr]    |
[INFO] [stderr] 26 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:35:16: 35:45 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:35:47
[INFO] [stderr]    |
[INFO] [stderr] 35 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:46:13: 46:52 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:46:54
[INFO] [stderr]    |
[INFO] [stderr] 46 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:57:13: 57:52 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:57:54
[INFO] [stderr]    |
[INFO] [stderr] 57 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/abortable.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures_test::task::WakeCounter;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `WakeCounter`
[INFO] [stderr]   --> tests/abortable.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let wake_counter = WakeCounter::new();
[INFO] [stderr]    |                        ^^^^^^^^^^^ use of undeclared type or module `WakeCounter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_test::task::WakeCounter`
[INFO] [stderr]  --> tests/abortable.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures_test::task::WakeCounter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/futures_ordered.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures_test::task::noop_local_waker_ref;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `pin_utils`
[INFO] [stderr]  --> tests/split.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pin_utils::unsafe_pinned;
[INFO] [stderr]   |     ^^^^^^^^^ use of undeclared type or module `pin_utils`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `unsafe_pinned`
[INFO] [stderr]   --> tests/split.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     unsafe_pinned!(stream: T);
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `unsafe_pinned`
[INFO] [stderr]   --> tests/split.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     unsafe_pinned!(sink: U);
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_local_waker_ref` in this scope
[INFO] [stderr]   --> tests/futures_ordered.rs:18:37
[INFO] [stderr]    |
[INFO] [stderr] 18 |     assert!(stream.poll_next_unpin(&noop_local_waker_ref()).is_pending());
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use futures::task::noop_local_waker_ref;
[INFO] [stderr]    |
[INFO] [stderr] 3  | use futures_util::task::noop_local_waker_ref;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_local_waker_ref` in this scope
[INFO] [stderr]   --> tests/futures_ordered.rs:41:15
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let lw = &noop_local_waker_ref();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use futures::task::noop_local_waker_ref;
[INFO] [stderr]    |
[INFO] [stderr] 3  | use futures_util::task::noop_local_waker_ref;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_test::task::noop_local_waker_ref`
[INFO] [stderr]  --> tests/futures_ordered.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures_test::task::noop_local_waker_ref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `stream` found for type `std::pin::Pin<&mut Join<T, U>>` in the current scope
[INFO] [stderr]   --> tests/split.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |         self.stream().poll_next(lw)
[INFO] [stderr]    |              ^^^^^^ field, not a method
[INFO] [stderr]    |
[INFO] [stderr]    = help: did you mean to write `self.stream` instead of `self.stream(...)`?
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `sink` found for type `std::pin::Pin<&mut Join<T, U>>` in the current scope
[INFO] [stderr]   --> tests/split.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self.sink().poll_ready(lw)
[INFO] [stderr]    |              ^^^^ field, not a method
[INFO] [stderr]    |
[INFO] [stderr]    = help: did you mean to write `self.sink` instead of `self.sink(...)`?
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `sink` found for type `std::pin::Pin<&mut Join<T, U>>` in the current scope
[INFO] [stderr]   --> tests/split.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |         self.sink().start_send(item)
[INFO] [stderr]    |              ^^^^ field, not a method
[INFO] [stderr]    |
[INFO] [stderr]    = help: did you mean to write `self.sink` instead of `self.sink(...)`?
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `sink` found for type `std::pin::Pin<&mut Join<T, U>>` in the current scope
[INFO] [stderr]   --> tests/split.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |         self.sink().poll_flush(lw)
[INFO] [stderr]    |              ^^^^ field, not a method
[INFO] [stderr]    |
[INFO] [stderr]    = help: did you mean to write `self.sink` instead of `self.sink(...)`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/eager_drop.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `sink` found for type `std::pin::Pin<&mut Join<T, U>>` in the current scope
[INFO] [stderr]   --> tests/split.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.sink().poll_close(lw)
[INFO] [stderr]    |              ^^^^ field, not a method
[INFO] [stderr]    |
[INFO] [stderr]    = help: did you mean to write `self.sink` instead of `self.sink(...)`?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> tests/io_read_exact.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(pin, arbitrary_self_types, futures_api)]
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `pin_utils`
[INFO] [stderr]  --> tests/eager_drop.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pin_utils::unsafe_pinned;
[INFO] [stderr]   |     ^^^^^^^^^ use of undeclared type or module `pin_utils`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `unsafe_pinned`
[INFO] [stderr]   --> tests/eager_drop.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     unsafe_pinned!(future: F);
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_test::future::FutureTestExt`
[INFO] [stderr]  --> tests/eager_drop.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::map::Map<futures_util::try_future::map_ok::MapOk<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/eager_drop.rs:19:17: 19:71 tx1:_]>, [closure@tests/eager_drop.rs:20:14: 23:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::map::Map<futures_util::try_future::map_err::MapErr<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/eager_drop.rs:37:18: 37:72 tx1:_]>, [closure@tests/eager_drop.rs:38:14: 41:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `future` found for type `std::pin::Pin<&mut FutureData<F, T>>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |         self.future().poll(lw)
[INFO] [stderr]    |              ^^^^^^ field, not a method
[INFO] [stderr]    |
[INFO] [stderr]    = help: did you mean to write `self.future` instead of `self.future(...)`?
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::then::Then<FutureData<futures_util::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<()>, [closure@tests/eager_drop.rs:70:57: 70:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<()>, [closure@tests/eager_drop.rs:71:15: 75:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:76:10
[INFO] [stderr]    |
[INFO] [stderr] 76 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::try_future::and_then::AndThen<FutureData<futures_util::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:89:57: 89:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:90:19: 94:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:95:10
[INFO] [stderr]    |
[INFO] [stderr] 95 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::try_future::or_else::OrElse<FutureData<futures_util::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:108:57: 108:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:109:18: 113:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]    --> tests/eager_drop.rs:114:10
[INFO] [stderr]     |
[INFO] [stderr] 114 |         .run_in_background();
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ae1a5f031f39933b4f5b1fa35658530f2f105dc101406488d0832732c84a0630"`
[INFO] running `"docker" "rm" "-f" "ae1a5f031f39933b4f5b1fa35658530f2f105dc101406488d0832732c84a0630"`
[INFO] [stdout] ae1a5f031f39933b4f5b1fa35658530f2f105dc101406488d0832732c84a0630