[INFO] fetching crate futures-preview 0.3.0-alpha.19...
[INFO] checking futures-preview-0.3.0-alpha.19 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-preview 0.3.0-alpha.19 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding futures v0.1.31 (latest: v0.3.30)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07c79836c9c6d03e2672faf867e6bd9505e4420279ddca4017f2355d6fe8533f
[INFO] running `Command { std: "docker" "start" "-a" "07c79836c9c6d03e2672faf867e6bd9505e4420279ddca4017f2355d6fe8533f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07c79836c9c6d03e2672faf867e6bd9505e4420279ddca4017f2355d6fe8533f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c79836c9c6d03e2672faf867e6bd9505e4420279ddca4017f2355d6fe8533f", kill_on_drop: false }`
[INFO] [stdout] 07c79836c9c6d03e2672faf867e6bd9505e4420279ddca4017f2355d6fe8533f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29ae180f3d2ccc4da849c7fb0a9b578e633f37a9cd403f5c28067fb4b6841f44
[INFO] running `Command { std: "docker" "start" "-a" "29ae180f3d2ccc4da849c7fb0a9b578e633f37a9cd403f5c28067fb4b6841f44", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/fuse.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_test::task::panic_waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_core::task::panic_waker;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `pin_utils`
[INFO] [stdout]  --> tests/split.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pin_utils::unsafe_pinned;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `pin_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_line.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::io::AsyncReadTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_core::io::AsyncReadTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/sink.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures_test::task::panic_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures_core::task::panic_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_line.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_core::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `assert_matches`
[INFO] [stdout]  --> tests/io_cursor.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use assert_matches::assert_matches;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ help: a similar path exists: `std::assert_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Poll`
[INFO] [stdout]  --> tests/io_cursor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::Poll;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::io::AsyncWrite`
[INFO] [stdout]  --> tests/io_cursor.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::io::AsyncWrite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> tests/io_cursor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/unfold.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures_core::future::FutureTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_select_all.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_core::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_test`
[INFO] [stdout]  --> tests/unfold.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::{
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_core::{
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/futures_ordered.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_core::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "fuse") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/futures_unordered.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_core::future::FutureTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/abortable.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::task::new_count_waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_core::task::new_count_waker;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/futures_unordered.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_core::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_test`
[INFO] [stdout]  --> tests/futures_unordered.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_test::{assert_stream_done, assert_stream_next};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_core::{assert_stream_done, assert_stream_next};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "io_cursor") due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "abortable") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "stream_select_all") due to 2 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/mutex.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_core::future::FutureTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/mutex.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::task::{panic_context, new_count_waker};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_core::task::{panic_context, new_count_waker};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "futures_ordered") due to 2 previous errors
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready` in the current scope
[INFO] [stdout]   --> tests/unfold.rs:13:57
[INFO] [stdout]    |
[INFO] [stdout] 13 |             future::ready(Some((state * 2, state + 1))).pending_once()
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^ method not found in `Ready<Option<({integer}, {integer})>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for reference `&'static [u8; 2]` in the current scope
[INFO] [stdout]   --> tests/io_read_line.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut buf = b"12".interleave_pending();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ method not found in `&[u8; 2]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `stream` found for struct `Pin<&mut Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.stream().poll_next(cx)
[INFO] [stdout]    |              ^^^^^^ field, not a method
[INFO] [stdout]    |
[INFO] [stdout] help: remove the arguments
[INFO] [stdout]    |
[INFO] [stdout] 25 -         self.stream().poll_next(cx)
[INFO] [stdout] 25 +         self.stream.poll_next(cx)
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `left_stream` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.left_stream().poll_next(cx)
[INFO] [stdout]    |              ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready` in the current scope
[INFO] [stdout]    --> tests/futures_unordered.rs:171:33
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let fut = future::ready(()).pending_once().assert_unmoved();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^ method not found in `Ready<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready` in the current scope
[INFO] [stdout]   --> tests/mutex.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |             ready(()).pending_once().await;
[INFO] [stdout]    |                       ^^^^^^^^^^^^ method not found in `Ready<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready` in the current scope
[INFO] [stdout]   --> tests/unfold.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 15 |             future::ready(None).pending_once()
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ method not found in `Ready<Option<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sink` found for struct `Pin<&mut Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:36:14
[INFO] [stdout]    |
[INFO] [stdout] 36 |         self.sink().poll_ready(cx)
[INFO] [stdout]    |              ^^^^-- help: remove the arguments
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "unfold") due to 5 previous errors
[INFO] [stderr] error: could not compile `futures-preview` (test "futures_unordered") due to 5 previous errors
[INFO] [stderr] error: could not compile `futures-preview` (test "sink") due to 2 previous errors
[INFO] [stderr] error: could not compile `futures-preview` (test "mutex") due to 4 previous errors
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead` in the current scope
[INFO] [stdout]   --> tests/io_read_line.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |       let mut buf = stream::iter(vec![&b"12"[..], &b"\n\n"[..]])
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 46 | |         .map(Ok)
[INFO] [stdout] 47 | |         .into_async_read()
[INFO] [stdout] 48 | |         .interleave_pending();
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<Map<Iter<IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], Error> {Result::<&[u8], Error>::Ok}>>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | 
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/io_read_line-ef9b954415edc621.long-type-17059893003214173324.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sink` found for struct `Pin<&mut Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |         self.sink().start_send(item)
[INFO] [stdout]    |              ^^^^-- help: remove the arguments
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "io_read_line") due to 5 previous errors
[INFO] [stdout] error[E0599]: no method named `sink` found for struct `Pin<&mut Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |         self.sink().poll_flush(cx)
[INFO] [stdout]    |              ^^^^-- help: remove the arguments
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sink` found for struct `Pin<&mut Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.sink().poll_close(cx)
[INFO] [stdout]    |              ^^^^-- help: remove the arguments
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "split") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "29ae180f3d2ccc4da849c7fb0a9b578e633f37a9cd403f5c28067fb4b6841f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ae180f3d2ccc4da849c7fb0a9b578e633f37a9cd403f5c28067fb4b6841f44", kill_on_drop: false }`
[INFO] [stdout] 29ae180f3d2ccc4da849c7fb0a9b578e633f37a9cd403f5c28067fb4b6841f44
