[INFO] crate futures 0.3.4 is already in cache
[INFO] checking futures-0.3.4 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate futures 0.3.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate futures 0.3.4 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate futures 0.3.4
[INFO] finished tweaking crates.io crate futures 0.3.4
[INFO] tweaked toml for crates.io crate futures 0.3.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56f1043feda500ed6883b3862145150cac5f33e79ab179ad9cb92e0eea348988
[INFO] running `"docker" "start" "-a" "56f1043feda500ed6883b3862145150cac5f33e79ab179ad9cb92e0eea348988"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/basic_combinators.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures_test::future::FutureTestExt;
[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 `futures_test`
[INFO] [stderr]  --> tests/eager_drop.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `pin_utils`
[INFO] [stderr]  --> tests/eager_drop.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | 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:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     unsafe_pinned!(future: F);
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/io_read_to_string.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures_test::io::AsyncReadTestExt;
[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 `futures_test`
[INFO] [stderr]  --> tests/io_read_to_string.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures_test::task::noop_context;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::future::map::Map<futures_util::future::future::map::Map<futures_util::future::future::then::Then<futures_util::future::ready::Ready<{integer}>, futures_util::future::ready::Ready<{integer}>, [closure@tests/basic_combinators.rs:12:15: 16:10 tx1:_]>, [closure@tests/basic_combinators.rs:16:16: 20:10 tx2:_]>, [closure@tests/basic_combinators.rs:20:16: 22:10 tx3:_]>` in the current scope
[INFO] [stderr]   --> tests/basic_combinators.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fut.run_in_background(); // Start it
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map<futures_util::future::future::map::Map<futures_util::future::future::then::Then<futures_util::future::ready::Ready<{integer}>, futures_util::future::ready::Ready<{integer}>, [closure@tests/basic_combinators.rs:12:15: 16:10 tx1:_]>, [closure@tests/basic_combinators.rs:16:16: 20:10 tx2:_]>, [closure@tests/basic_combinators.rs:20:16: 22:10 tx3:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::executor::ThreadPool`
[INFO] [stderr]  --> tests/eventual.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::executor::ThreadPool;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ThreadPool` in `executor`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]   --> tests/io_read_to_string.rs:27:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut cx = noop_context();
[INFO] [stderr]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::future::map::Map<futures_util::future::try_future::map_ok::MapOk<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/eager_drop.rs:17:17: 17:71 tx1:_]>, [closure@tests/eager_drop.rs:18:14: 21:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:22:10
[INFO] [stderr]    |
[INFO] [stderr] 22 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map<futures_util::future::try_future::map_ok::MapOk<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/eager_drop.rs:17:17: 17:71 tx1:_]>, [closure@tests/eager_drop.rs:18:14: 21:10 rx1:_, tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::future::map::Map<futures_util::future::try_future::map_err::MapErr<futures_util::future::try_future::map_ok::MapOk<futures_util::future::try_future::or_else::OrElse<futures_util::future::try_future::and_then::AndThen<futures_util::future::future::map::Map<futures_util::future::try_future::map_err::MapErr<futures_util::future::try_future::map_ok::MapOk<futures_util::future::try_future::or_else::OrElse<futures_util::future::try_future::and_then::AndThen<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:44:19: 48:10 tx1:_]>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:49:18: 53:10 tx2:_]>, [closure@tests/basic_combinators.rs:54:17: 58:10 tx3:_]>, [closure@tests/basic_combinators.rs:59:18: 63:10 tx4:_]>, [closure@tests/basic_combinators.rs:64:14: 68:10 tx5:_]>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:69:19: 73:10 tx6:_]>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:74:18: 78:10 tx7:_]>, [closure@tests/basic_combinators.rs:79:17: 83:10 tx8:_]>, [closure@tests/basic_combinators.rs:84:18: 88:10 tx9:_]>, [closure@tests/basic_combinators.rs:89:14: 92:10 tx10:_]>` in the current scope
[INFO] [stderr]   --> tests/basic_combinators.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fut.run_in_background(); // Start it
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map<futures_util::future::try_future::map_err::MapErr<futures_util::future::try_future::map_ok::MapOk<futures_util::future::try_future::or_else::OrElse<futures_util::future::try_future::and_then::AndThen<futures_util::future::future::map::Map<futures_util::future::try_future::map_err::MapErr<futures_util::future::try_future::map_ok::MapOk<futures_util::future::try_future::or_else::OrElse<futures_util::future::try_future::and_then::AndThen<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:44:19: 48:10 tx1:_]>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:49:18: 53:10 tx2:_]>, [closure@tests/basic_combinators.rs:54:17: 58:10 tx3:_]>, [closure@tests/basic_combinators.rs:59:18: 63:10 tx4:_]>, [closure@tests/basic_combinators.rs:64:14: 68:10 tx5:_]>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:69:19: 73:10 tx6:_]>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:74:18: 78:10 tx7:_]>, [closure@tests/basic_combinators.rs:79:17: 83:10 tx8:_]>, [closure@tests/basic_combinators.rs:84:18: 88:10 tx9:_]>, [closure@tests/basic_combinators.rs:89:14: 92:10 tx10:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::future::map::Map<futures_util::future::try_future::map_err::MapErr<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/eager_drop.rs:35:18: 35:72 tx1:_]>, [closure@tests/eager_drop.rs:36:14: 39:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map<futures_util::future::try_future::map_err::MapErr<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/eager_drop.rs:35:18: 35:72 tx1:_]>, [closure@tests/eager_drop.rs:36:14: 39:10 rx1:_, tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `future` found for struct `std::pin::Pin<&mut FutureData<F, T>>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:58:14
[INFO] [stderr]    |
[INFO] [stderr] 58 |         self.future().poll(cx)
[INFO] [stderr]    |              ^^^^^^-- help: remove the arguments
[INFO] [stderr]    |              |
[INFO] [stderr]    |              field, not a method
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::future::then::Then<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<()>, [closure@tests/eager_drop.rs:68:57: 68:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<()>, [closure@tests/eager_drop.rs:69:15: 73:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:74:10
[INFO] [stderr]    |
[INFO] [stderr] 74 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::then::Then<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<()>, [closure@tests/eager_drop.rs:68:57: 68:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<()>, [closure@tests/eager_drop.rs:69:15: 73:10 rx1:_, tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `futures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::try_future::and_then::AndThen<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:88:19: 92:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:93:10
[INFO] [stderr]    |
[INFO] [stderr] 93 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::and_then::AndThen<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:88:19: 92:10 rx1:_, tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/oneshot.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::try_future::or_else::OrElse<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:107:18: 111:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]    --> tests/eager_drop.rs:112:10
[INFO] [stderr]     |
[INFO] [stderr] 112 |         .run_in_background();
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::or_else::OrElse<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:107:18: 111:10 rx1:_, tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `futures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `interleave_pending` found for struct `futures_util::stream::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::stream::map::Map<futures_util::stream::iter::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope
[INFO] [stderr]   --> tests/io_read_to_string.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |         .interleave_pending();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^ method not found in `futures_util::stream::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::stream::map::Map<futures_util::stream::iter::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `futures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:13:38
[INFO] [stderr]    |
[INFO] [stderr] 13 |     rx1.map_ok(move |x| tx2.send(x)).run_in_background();
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::task::SpawnExt`
[INFO] [stderr]  --> tests/eventual.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::task::SpawnExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:24:16: 24:45 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:24:47
[INFO] [stderr]    |
[INFO] [stderr] 24 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:24:16: 24:45 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `futures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:33:16: 33:45 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:33:47
[INFO] [stderr]    |
[INFO] [stderr] 33 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:33:16: 33:45 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:44:13: 44:52 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:44:54
[INFO] [stderr]    |
[INFO] [stderr] 44 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:44:13: 44:52 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:55:13: 55:52 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:55:54
[INFO] [stderr]    |
[INFO] [stderr] 55 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:55:13: 55:52 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `futures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `assert_matches`
[INFO] [stderr]  --> tests/io_cursor.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use assert_matches::assert_matches;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^ use of undeclared type or module `assert_matches`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stderr]   --> tests/io_cursor.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[1, 2]), Poll::Ready(Ok(2)));
[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 `assert_matches`
[INFO] [stderr]   --> tests/io_cursor.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[3, 4]), Poll::Ready(Ok(2)));
[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 `assert_matches`
[INFO] [stderr]   --> tests/io_cursor.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[5, 6]), Poll::Ready(Ok(2)));
[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 `assert_matches`
[INFO] [stderr]   --> tests/io_cursor.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[6, 7]), Poll::Ready(Ok(2)));
[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 `assert_matches`
[INFO] [stderr]   --> tests/io_cursor.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[1, 2]), Poll::Ready(Ok(2)));
[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 `assert_matches`
[INFO] [stderr]   --> tests/io_cursor.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[3, 4]), Poll::Ready(Ok(2)));
[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 `assert_matches`
[INFO] [stderr]   --> tests/io_cursor.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[5, 6]), Poll::Ready(Ok(1)));
[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 `assert_matches`
[INFO] [stderr]   --> tests/io_cursor.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[6, 7]), Poll::Ready(Ok(0)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncWrite`
[INFO] [stderr]  --> tests/io_cursor.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::io::{AsyncWrite, Cursor};
[INFO] [stderr]   |                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::task::Poll`
[INFO] [stderr]  --> tests/io_cursor.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::task::Poll;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::pin::Pin`
[INFO] [stderr]  --> tests/io_cursor.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::pin::Pin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `futures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[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/sink.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures_test::task::panic_context;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stderr]   --> tests/sink.rs:24:34
[INFO] [stderr]    |
[INFO] [stderr] 24 |     match s.poll_next_unpin(&mut panic_context()) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stderr]    --> tests/sink.rs:478:23
[INFO] [stderr]     |
[INFO] [stderr] 478 |         let cx = &mut panic_context();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stderr]    --> tests/sink.rs:504:23
[INFO] [stderr]     |
[INFO] [stderr] 504 |         let cx = &mut panic_context();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `futures`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "56f1043feda500ed6883b3862145150cac5f33e79ab179ad9cb92e0eea348988"`
[INFO] running `"docker" "rm" "-f" "56f1043feda500ed6883b3862145150cac5f33e79ab179ad9cb92e0eea348988"`
[INFO] [stdout] 56f1043feda500ed6883b3862145150cac5f33e79ab179ad9cb92e0eea348988
