[INFO] fetching crate futures-test 0.3.21...
[INFO] testing futures-test-0.3.21 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate futures-test 0.3.21 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate futures-test 0.3.21 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-test 0.3.21
[INFO] finished tweaking crates.io crate futures-test 0.3.21
[INFO] tweaked toml for crates.io crate futures-test 0.3.21 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04eb3183c1ab88e0a05932eec2056cddbf876e335162dc1b6f49bcbbcfed098a
[INFO] running `Command { std: "docker" "start" "-a" "04eb3183c1ab88e0a05932eec2056cddbf876e335162dc1b6f49bcbbcfed098a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04eb3183c1ab88e0a05932eec2056cddbf876e335162dc1b6f49bcbbcfed098a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04eb3183c1ab88e0a05932eec2056cddbf876e335162dc1b6f49bcbbcfed098a", kill_on_drop: false }`
[INFO] [stdout] 04eb3183c1ab88e0a05932eec2056cddbf876e335162dc1b6f49bcbbcfed098a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b41675494e2b87be6caa7f111b499e088d922e7e705c1763bf846e0ea42a5ed
[INFO] running `Command { std: "docker" "start" "-a" "6b41675494e2b87be6caa7f111b499e088d922e7e705c1763bf846e0ea42a5ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling futures-test v0.3.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "6b41675494e2b87be6caa7f111b499e088d922e7e705c1763bf846e0ea42a5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b41675494e2b87be6caa7f111b499e088d922e7e705c1763bf846e0ea42a5ed", kill_on_drop: false }`
[INFO] [stdout] 6b41675494e2b87be6caa7f111b499e088d922e7e705c1763bf846e0ea42a5ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd7347d1f42fb5938b020f4fc85c4af6ca9f8c5601b04d531fff045471fa2050
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd7347d1f42fb5938b020f4fc85c4af6ca9f8c5601b04d531fff045471fa2050", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-test v0.3.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_test-5157bf3fc252fbfa)
[INFO] running `Command { std: "docker" "inspect" "cd7347d1f42fb5938b020f4fc85c4af6ca9f8c5601b04d531fff045471fa2050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7347d1f42fb5938b020f4fc85c4af6ca9f8c5601b04d531fff045471fa2050", kill_on_drop: false }`
[INFO] [stdout] cd7347d1f42fb5938b020f4fc85c4af6ca9f8c5601b04d531fff045471fa2050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b22ac350636eeb7f68ebe760ee289e528740e695e4ea4ea8de9903cd17675827
[INFO] running `Command { std: "docker" "start" "-a" "b22ac350636eeb7f68ebe760ee289e528740e695e4ea4ea8de9903cd17675827", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_test-5157bf3fc252fbfa)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test assert_unmoved::tests::assert_send_sync ... ok
[INFO] [stdout] test assert_unmoved::tests::dont_panic_when_not_polled ... ok
[INFO] [stdout] test assert_unmoved::tests::dont_double_panic - should panic ... ok
[INFO] [stdout] test task::panic_waker::tests::issue_2091_cross_thread_segfault - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-test
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/sink/mod.rs - sink::SinkTestExt::track_closed (line 39) ... FAILED
[INFO] [stdout] test src/assert.rs - assert::assert_stream_next (line 45) ... FAILED
[INFO] [stdout] test src/future/mod.rs - future::FutureTestExt::run_in_background (line 60) ... FAILED
[INFO] [stdout] test src/io/read/mod.rs - io::read::AsyncReadTestExt::interleave_pending (line 61) ... FAILED
[INFO] [stdout] test src/io/read/mod.rs - io::read::AsyncReadTestExt::interleave_pending (line 31) ... FAILED
[INFO] [stdout] test src/io/write/mod.rs - io::write::AsyncWriteTestExt::track_closed (line 121) ... FAILED
[INFO] [stdout] test src/io/write/mod.rs - io::write::AsyncWriteTestExt::limited_write (line 72) ... FAILED
[INFO] [stdout] test src/assert.rs - assert::assert_stream_done (line 89) ... FAILED
[INFO] [stdout] test src/stream/mod.rs - stream::StreamTestExt::interleave_pending (line 30) ... FAILED
[INFO] [stdout] test src/future/mod.rs - future::FutureTestExt::pending_once (line 34) ... FAILED
[INFO] [stdout] test src/task/noop_spawner.rs - task::noop_spawner::noop_spawner_mut (line 43) ... FAILED
[INFO] [stdout] test src/assert.rs - assert::assert_stream_pending (line 11) ... FAILED
[INFO] [stdout] test src/future/mod.rs - future::FutureTestExt::interleave_pending (line 85) ... FAILED
[INFO] [stdout] test src/sink/mod.rs - sink::SinkTestExt::track_closed (line 61) ... FAILED
[INFO] [stdout] test src/io/write/mod.rs - io::write::AsyncWriteTestExt::interleave_pending_write (line 32) ... FAILED
[INFO] [stdout] test src/lib.rs - test (line 76) ... ok
[INFO] [stdout] test src/io/write/mod.rs - io::write::AsyncWriteTestExt::track_closed (line 105) ... FAILED
[INFO] [stdout] test src/task/context.rs - task::context::noop_context (line 24) ... FAILED
[INFO] [stdout] test src/io/read/mod.rs - io::read::AsyncReadTestExt::limited (line 95) ... FAILED
[INFO] [stdout] test src/task/panic_spawner.rs - task::panic_spawner::PanicSpawner (line 8) ... FAILED
[INFO] [stdout] test src/task/noop_spawner.rs - task::noop_spawner::NoopSpawner (line 8) ... FAILED
[INFO] [stdout] test src/task/panic_spawner.rs - task::panic_spawner::panic_spawner_mut (line 44) ... FAILED
[INFO] [stdout] test src/task/record_spawner.rs - task::record_spawner::RecordSpawner (line 9) ... FAILED
[INFO] [stdout] test src/lib.rs - test (line 66) ... ok
[INFO] [stdout] test src/task/context.rs - task::context::panic_context (line 9) ... ok
[INFO] [stdout] test src/task/panic_waker.rs - task::panic_waker::panic_waker_ref (line 46) ... ok
[INFO] [stdout] test src/task/panic_waker.rs - task::panic_waker::panic_waker (line 29) ... ok
[INFO] [stdout] test src/task/wake_counter.rs - task::wake_counter::new_count_waker (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/sink/mod.rs - sink::SinkTestExt::track_closed (line 39) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/sink/mod.rs:41:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::sink::{SinkExt, drain};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/sink/mod.rs:40:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | futures::executor::block_on(async {
[INFO] [stdout]   | ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `drain` in this scope
[INFO] [stdout]  --> src/sink/mod.rs:44:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | let mut sink = drain::<i32>().track_closed();
[INFO] [stdout]   |                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::sink::SinkTestExt`
[INFO] [stdout]  --> src/sink/mod.rs:42:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::sink::SinkTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/sink/mod.rs:37:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/assert.rs - assert::assert_stream_next (line 45) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/assert.rs:46:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::stream;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/assert.rs:51:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/assert.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pin_mut!(stream);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/future/mod.rs - future::FutureTestExt::run_in_background (line 60) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/future/mod.rs:62:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::channel::oneshot;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/future/mod.rs:61:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | futures::executor::block_on(async {
[INFO] [stdout]   | ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `oneshot`
[INFO] [stdout]  --> src/future/mod.rs:65:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | let (tx, rx) = oneshot::channel::<i32>();
[INFO] [stdout]   |                ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/io/read/mod.rs - io::read::AsyncReadTestExt::interleave_pending (line 61) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:62:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:63:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncBufRead, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:66:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/io/read/mod.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pin_mut!(reader);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:73:53
[INFO] [stdout]    |
[INFO] [stdout] 15 | assert_eq!(reader.as_mut().poll_fill_buf(&mut cx)?, Poll::Pending);
[INFO] [stdout]    |                                                     ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:76:53
[INFO] [stdout]    |
[INFO] [stdout] 18 | assert_eq!(reader.as_mut().poll_fill_buf(&mut cx)?, Poll::Pending);
[INFO] [stdout]    |                                                     ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:79:53
[INFO] [stdout]    |
[INFO] [stdout] 21 | assert_eq!(reader.as_mut().poll_fill_buf(&mut cx)?, Poll::Pending);
[INFO] [stdout]    |                                                     ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]   --> src/io/read/mod.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | let reader = Cursor::new(&[1, 2, 3]).interleave_pending();
[INFO] [stdout]    |              ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_util::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::collections::linked_list::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:74:53
[INFO] [stdout]    |
[INFO] [stdout] 16 | assert_eq!(reader.as_mut().poll_fill_buf(&mut cx)?, Poll::Ready(&[1, 2, 3][..]));
[INFO] [stdout]    |                                                     ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:77:53
[INFO] [stdout]    |
[INFO] [stdout] 19 | assert_eq!(reader.as_mut().poll_fill_buf(&mut cx)?, Poll::Ready(&[3][..]));
[INFO] [stdout]    |                                                     ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:80:53
[INFO] [stdout]    |
[INFO] [stdout] 22 | assert_eq!(reader.as_mut().poll_fill_buf(&mut cx)?, Poll::Ready(&[][..]));
[INFO] [stdout]    |                                                     ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::io::AsyncReadTestExt`
[INFO] [stdout]  --> src/io/read/mod.rs:65:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::io::AsyncReadTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/io/read/mod.rs:59:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/io/read/mod.rs - io::read::AsyncReadTestExt::interleave_pending (line 31) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:32:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:33:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncRead, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:36:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/io/read/mod.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pin_mut!(reader);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:45:63
[INFO] [stdout]    |
[INFO] [stdout] 17 | assert_eq!(reader.as_mut().poll_read(&mut cx, &mut buf[..])?, Poll::Pending);
[INFO] [stdout]    |                                                               ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:48:63
[INFO] [stdout]    |
[INFO] [stdout] 20 | assert_eq!(reader.as_mut().poll_read(&mut cx, &mut buf[..])?, Poll::Pending);
[INFO] [stdout]    |                                                               ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:51:63
[INFO] [stdout]    |
[INFO] [stdout] 23 | assert_eq!(reader.as_mut().poll_read(&mut cx, &mut buf[..])?, Poll::Pending);
[INFO] [stdout]    |                                                               ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]   --> src/io/read/mod.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | let reader = Cursor::new(&[1, 2, 3]).interleave_pending();
[INFO] [stdout]    |              ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_util::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::collections::linked_list::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:46:63
[INFO] [stdout]    |
[INFO] [stdout] 18 | assert_eq!(reader.as_mut().poll_read(&mut cx, &mut buf[..])?, Poll::Ready(2));
[INFO] [stdout]    |                                                               ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:49:63
[INFO] [stdout]    |
[INFO] [stdout] 21 | assert_eq!(reader.as_mut().poll_read(&mut cx, &mut buf[..])?, Poll::Ready(1));
[INFO] [stdout]    |                                                               ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:52:63
[INFO] [stdout]    |
[INFO] [stdout] 24 | assert_eq!(reader.as_mut().poll_read(&mut cx, &mut buf[..])?, Poll::Ready(0));
[INFO] [stdout]    |                                                               ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::io::AsyncReadTestExt`
[INFO] [stdout]  --> src/io/read/mod.rs:35:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::io::AsyncReadTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/io/read/mod.rs:29:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/io/write/mod.rs - io::write::AsyncWriteTestExt::track_closed (line 121) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:123:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncWriteExt, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:122:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | futures::executor::block_on(async {
[INFO] [stdout]   | ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]  --> src/io/write/mod.rs:126:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | let mut writer = Cursor::new(vec![0u8; 4]).track_closed();
[INFO] [stdout]   |                  ^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_util::io::Cursor;
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::linked_list::Cursor;
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Cursor;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::io::AsyncWriteTestExt`
[INFO] [stdout]  --> src/io/write/mod.rs:124:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::io::AsyncWriteTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/io/write/mod.rs:119:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/io/write/mod.rs - io::write::AsyncWriteTestExt::limited_write (line 72) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:73:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:74:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncWrite, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:77:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/io/write/mod.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pin_mut!(writer);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]   --> src/io/write/mod.rs:79:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | let writer = Cursor::new(vec![0u8; 4].into_boxed_slice()).limited_write(2);
[INFO] [stdout]    |              ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_util::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::collections::linked_list::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:84:59
[INFO] [stdout]    |
[INFO] [stdout] 15 | assert_eq!(writer.as_mut().poll_write(&mut cx, &[1, 2])?, Poll::Ready(2));
[INFO] [stdout]    |                                                           ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:86:56
[INFO] [stdout]    |
[INFO] [stdout] 17 | assert_eq!(writer.as_mut().poll_write(&mut cx, &[3])?, Poll::Ready(1));
[INFO] [stdout]    |                                                        ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:88:59
[INFO] [stdout]    |
[INFO] [stdout] 19 | assert_eq!(writer.as_mut().poll_write(&mut cx, &[4, 5])?, Poll::Ready(1));
[INFO] [stdout]    |                                                           ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:90:56
[INFO] [stdout]    |
[INFO] [stdout] 21 | assert_eq!(writer.as_mut().poll_write(&mut cx, &[5])?, Poll::Ready(0));
[INFO] [stdout]    |                                                        ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::io::AsyncWriteTestExt`
[INFO] [stdout]  --> src/io/write/mod.rs:76:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::io::AsyncWriteTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/io/write/mod.rs:70:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/assert.rs - assert::assert_stream_done (line 89) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/assert.rs:90:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::stream;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/assert.rs:95:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/assert.rs:98:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pin_mut!(stream);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/stream/mod.rs - stream::StreamTestExt::interleave_pending (line 30) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/stream/mod.rs:31:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/stream/mod.rs:32:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::stream::{self, Stream};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/stream/mod.rs:32:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::stream::{self, Stream};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/stream/mod.rs:35:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/stream/mod.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pin_mut!(stream);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/stream/mod.rs:42:48
[INFO] [stdout]    |
[INFO] [stdout] 15 | assert_eq!(stream.as_mut().poll_next(&mut cx), Poll::Pending);
[INFO] [stdout]    |                                                ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/stream/mod.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 17 | assert_eq!(stream.as_mut().poll_next(&mut cx), Poll::Pending);
[INFO] [stdout]    |                                                ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/stream/mod.rs:46:48
[INFO] [stdout]    |
[INFO] [stdout] 19 | assert_eq!(stream.as_mut().poll_next(&mut cx), Poll::Pending);
[INFO] [stdout]    |                                                ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/stream/mod.rs:43:48
[INFO] [stdout]    |
[INFO] [stdout] 16 | assert_eq!(stream.as_mut().poll_next(&mut cx), Poll::Ready(Some(1)));
[INFO] [stdout]    |                                                ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/stream/mod.rs:45:48
[INFO] [stdout]    |
[INFO] [stdout] 18 | assert_eq!(stream.as_mut().poll_next(&mut cx), Poll::Ready(Some(2)));
[INFO] [stdout]    |                                                ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/stream/mod.rs:47:48
[INFO] [stdout]    |
[INFO] [stdout] 20 | assert_eq!(stream.as_mut().poll_next(&mut cx), Poll::Ready(None));
[INFO] [stdout]    |                                                ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::stream::StreamTestExt`
[INFO] [stdout]  --> src/stream/mod.rs:34:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::stream::StreamTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/stream/mod.rs:28:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/future/mod.rs - future::FutureTestExt::pending_once (line 34) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/future/mod.rs:35:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/future/mod.rs:36:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::future::FutureExt;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/future/mod.rs:39:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/future/mod.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pin_mut!(future);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/future/mod.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 15 | assert_eq!(future.poll_unpin(&mut cx), Poll::Pending);
[INFO] [stdout]    |                                        ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/future/mod.rs:47:40
[INFO] [stdout]    |
[INFO] [stdout] 16 | assert_eq!(future.poll_unpin(&mut cx), Poll::Ready(5));
[INFO] [stdout]    |                                        ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll_unpin` found for struct `PendingOnce` in the current scope
[INFO] [stdout]    --> src/future/mod.rs:46:19
[INFO] [stdout]     |
[INFO] [stdout] 15  | assert_eq!(future.poll_unpin(&mut cx), Poll::Pending);
[INFO] [stdout]     |                   ^^^^^^^^^^ method not found in `PendingOnce<impl Future>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.21/src/future/future/mod.rs:558:8
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output>
[INFO] [stdout]     |        ---------- the method is available for `PendingOnce<impl Future>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 3   | use futures_util::future::future::FutureExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll_unpin` found for struct `PendingOnce` in the current scope
[INFO] [stdout]    --> src/future/mod.rs:47:19
[INFO] [stdout]     |
[INFO] [stdout] 16  | assert_eq!(future.poll_unpin(&mut cx), Poll::Ready(5));
[INFO] [stdout]     |                   ^^^^^^^^^^ method not found in `PendingOnce<impl Future>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.21/src/future/future/mod.rs:558:8
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output>
[INFO] [stdout]     |        ---------- the method is available for `PendingOnce<impl Future>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 3   | use futures_util::future::future::FutureExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/task/noop_spawner.rs - task::noop_spawner::noop_spawner_mut (line 43) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/noop_spawner.rs:44:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::SpawnExt;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `spawn` found for mutable reference `&mut NoopSpawner` in the current scope
[INFO] [stdout]   --> src/task/noop_spawner.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | spawner.spawn(async { }).unwrap();
[INFO] [stdout]    |         ^^^^^ method not found in `&mut NoopSpawner`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.21/src/task/spawn.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn spawn<Fut>(&self, future: Fut) -> Result<(), SpawnError>
[INFO] [stdout]    |        ----- the method is available for `&mut NoopSpawner` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_util::task::spawn::SpawnExt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/assert.rs - assert::assert_stream_pending (line 11) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/assert.rs:12:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::stream;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/assert.rs:17:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/assert.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pin_mut!(stream);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/future/mod.rs - future::FutureTestExt::interleave_pending (line 85) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/future/mod.rs:86:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/future/mod.rs:87:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::future::{self, Future};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/future/mod.rs:87:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::future::{self, Future};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/future/mod.rs:90:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/future/mod.rs:93:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pin_mut!(future);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/future/mod.rs:97:43
[INFO] [stdout]    |
[INFO] [stdout] 15 | assert_eq!(future.as_mut().poll(&mut cx), Poll::Pending);
[INFO] [stdout]    |                                           ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/future/mod.rs:98:43
[INFO] [stdout]    |
[INFO] [stdout] 16 | assert_eq!(future.as_mut().poll(&mut cx), Poll::Ready(1));
[INFO] [stdout]    |                                           ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::future::FutureTestExt`
[INFO] [stdout]  --> src/future/mod.rs:89:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/future/mod.rs:83:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/sink/mod.rs - sink::SinkTestExt::track_closed (line 61) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/sink/mod.rs:64:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::{sink::{SinkExt, drain}, future::FutureExt};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/sink/mod.rs:62:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | futures::executor::block_on(async {
[INFO] [stdout]   | ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `drain` in this scope
[INFO] [stdout]  --> src/sink/mod.rs:67:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | let mut sink = drain::<i32>().track_closed();
[INFO] [stdout]   |                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `catch_unwind` found for struct `AssertUnwindSafe<_>` in the current scope
[INFO] [stdout]   --> src/sink/mod.rs:70:40
[INFO] [stdout]    |
[INFO] [stdout] 12 | assert!(AssertUnwindSafe(sink.send(1)).catch_unwind().await.is_err());
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ method not found in `AssertUnwindSafe<_>`
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::sink::SinkTestExt`
[INFO] [stdout]  --> src/sink/mod.rs:65:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::sink::SinkTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/sink/mod.rs:59:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/io/write/mod.rs - io::write::AsyncWriteTestExt::interleave_pending_write (line 32) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:33:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:34:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncWrite, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:37:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/io/write/mod.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pin_mut!(writer);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:44:59
[INFO] [stdout]    |
[INFO] [stdout] 15 | assert_eq!(writer.as_mut().poll_write(&mut cx, &[1, 2])?, Poll::Pending);
[INFO] [stdout]    |                                                           ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:47:59
[INFO] [stdout]    |
[INFO] [stdout] 18 | assert_eq!(writer.as_mut().poll_write(&mut cx, &[3, 4])?, Poll::Pending);
[INFO] [stdout]    |                                                           ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:50:59
[INFO] [stdout]    |
[INFO] [stdout] 21 | assert_eq!(writer.as_mut().poll_write(&mut cx, &[5, 6])?, Poll::Pending);
[INFO] [stdout]    |                                                           ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:53:50
[INFO] [stdout]    |
[INFO] [stdout] 24 | assert_eq!(writer.as_mut().poll_flush(&mut cx)?, Poll::Pending);
[INFO] [stdout]    |                                                  ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:56:50
[INFO] [stdout]    |
[INFO] [stdout] 27 | assert_eq!(writer.as_mut().poll_close(&mut cx)?, Poll::Pending);
[INFO] [stdout]    |                                                  ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]   --> src/io/write/mod.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | let writer = Cursor::new(vec![0u8; 4].into_boxed_slice()).interleave_pending_write();
[INFO] [stdout]    |              ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_util::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::collections::linked_list::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:45:59
[INFO] [stdout]    |
[INFO] [stdout] 16 | assert_eq!(writer.as_mut().poll_write(&mut cx, &[1, 2])?, Poll::Ready(2));
[INFO] [stdout]    |                                                           ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:48:59
[INFO] [stdout]    |
[INFO] [stdout] 19 | assert_eq!(writer.as_mut().poll_write(&mut cx, &[3, 4])?, Poll::Ready(2));
[INFO] [stdout]    |                                                           ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:51:59
[INFO] [stdout]    |
[INFO] [stdout] 22 | assert_eq!(writer.as_mut().poll_write(&mut cx, &[5, 6])?, Poll::Ready(0));
[INFO] [stdout]    |                                                           ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:54:50
[INFO] [stdout]    |
[INFO] [stdout] 25 | assert_eq!(writer.as_mut().poll_flush(&mut cx)?, Poll::Ready(()));
[INFO] [stdout]    |                                                  ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/write/mod.rs:57:50
[INFO] [stdout]    |
[INFO] [stdout] 28 | assert_eq!(writer.as_mut().poll_close(&mut cx)?, Poll::Ready(()));
[INFO] [stdout]    |                                                  ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::io::AsyncWriteTestExt`
[INFO] [stdout]  --> src/io/write/mod.rs:36:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::io::AsyncWriteTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/io/write/mod.rs:30:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/io/write/mod.rs - io::write::AsyncWriteTestExt::track_closed (line 105) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:107:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncWriteExt, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:106:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | futures::executor::block_on(async {
[INFO] [stdout]   | ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]  --> src/io/write/mod.rs:110:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | let mut writer = Cursor::new(vec![0u8; 4]).track_closed();
[INFO] [stdout]   |                  ^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_util::io::Cursor;
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::linked_list::Cursor;
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Cursor;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::io::AsyncWriteTestExt`
[INFO] [stdout]  --> src/io/write/mod.rs:108:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::io::AsyncWriteTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/io/write/mod.rs:103:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/task/context.rs - task::context::noop_context (line 24) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/context.rs:25:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::future::Future;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/context.rs:26:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/task/context.rs:28:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/task/context.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pin_mut!(future);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/task/context.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 12 | assert_eq!(future.poll(&mut noop_context()), Poll::Ready(5));
[INFO] [stdout]    |                                              ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for opaque type `impl Future` in the current scope
[INFO] [stdout]    --> src/task/context.rs:33:19
[INFO] [stdout]     |
[INFO] [stdout] 12  | assert_eq!(future.poll(&mut noop_context()), Poll::Ready(5));
[INFO] [stdout]     |                   ^^^^ method not found in `impl Future`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 12  | assert_eq!(Pin::new(&mut future).poll(&mut noop_context()), Poll::Ready(5));
[INFO] [stdout]     |            +++++++++++++       +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/io/read/mod.rs - io::read::AsyncReadTestExt::limited (line 95) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:96:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:97:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncRead, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:100:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> src/io/read/mod.rs:103:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pin_mut!(reader);
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]   --> src/io/read/mod.rs:102:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | let reader = Cursor::new(&[1, 2, 3, 4, 5]).limited(2);
[INFO] [stdout]    |              ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_util::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::collections::linked_list::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:109:59
[INFO] [stdout]    |
[INFO] [stdout] 17 | assert_eq!(reader.as_mut().poll_read(&mut cx, &mut buf)?, Poll::Ready(2));
[INFO] [stdout]    |                                                           ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:111:59
[INFO] [stdout]    |
[INFO] [stdout] 19 | assert_eq!(reader.as_mut().poll_read(&mut cx, &mut buf)?, Poll::Ready(2));
[INFO] [stdout]    |                                                           ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> src/io/read/mod.rs:113:59
[INFO] [stdout]    |
[INFO] [stdout] 21 | assert_eq!(reader.as_mut().poll_read(&mut cx, &mut buf)?, Poll::Ready(1));
[INFO] [stdout]    |                                                           ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_test::__private::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout]      and 3 other candidates
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `futures_test::io::AsyncReadTestExt`
[INFO] [stdout]  --> src/io/read/mod.rs:99:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::io::AsyncReadTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/io/read/mod.rs:93:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings, rust_2018_idioms, single_use_lifetimes)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/task/panic_spawner.rs - task::panic_spawner::PanicSpawner (line 8) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/panic_spawner.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::SpawnExt;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `PanicSpawner` in the current scope
[INFO] [stdout]   --> src/task/panic_spawner.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 8  | spawn.spawn(async { })?; // Will panic
[INFO] [stdout]    |       ^^^^^ method not found in `PanicSpawner`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.21/src/task/spawn.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn spawn<Fut>(&self, future: Fut) -> Result<(), SpawnError>
[INFO] [stdout]    |        ----- the method is available for `PanicSpawner` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_util::task::spawn::SpawnExt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/task/noop_spawner.rs - task::noop_spawner::NoopSpawner (line 8) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/noop_spawner.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::SpawnExt;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `NoopSpawner` in the current scope
[INFO] [stdout]   --> src/task/noop_spawner.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | spawner.spawn(async { }).unwrap();
[INFO] [stdout]    |         ^^^^^ method not found in `NoopSpawner`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.21/src/task/spawn.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn spawn<Fut>(&self, future: Fut) -> Result<(), SpawnError>
[INFO] [stdout]    |        ----- the method is available for `NoopSpawner` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_util::task::spawn::SpawnExt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/task/panic_spawner.rs - task::panic_spawner::panic_spawner_mut (line 44) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/panic_spawner.rs:45:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::SpawnExt;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `spawn` found for mutable reference `&mut PanicSpawner` in the current scope
[INFO] [stdout]   --> src/task/panic_spawner.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | spawner.spawn(async { })?; // Will panic
[INFO] [stdout]    |         ^^^^^ method not found in `&mut PanicSpawner`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.21/src/task/spawn.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn spawn<Fut>(&self, future: Fut) -> Result<(), SpawnError>
[INFO] [stdout]    |        ----- the method is available for `&mut PanicSpawner` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_util::task::spawn::SpawnExt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/task/record_spawner.rs - task::record_spawner::RecordSpawner (line 9) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> src/task/record_spawner.rs:10:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::SpawnExt;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `spawn` found for struct `RecordSpawner` in the current scope
[INFO] [stdout]   --> src/task/record_spawner.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | recorder.spawn(async { }).unwrap();
[INFO] [stdout]    |          ^^^^^ method not found in `RecordSpawner`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.21/src/task/spawn.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn spawn<Fut>(&self, future: Fut) -> Result<(), SpawnError>
[INFO] [stdout]    |        ----- the method is available for `RecordSpawner` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures_util::task::spawn::SpawnExt;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/assert.rs - assert::assert_stream_done (line 89)
[INFO] [stdout]     src/assert.rs - assert::assert_stream_next (line 45)
[INFO] [stdout]     src/assert.rs - assert::assert_stream_pending (line 11)
[INFO] [stdout]     src/future/mod.rs - future::FutureTestExt::interleave_pending (line 85)
[INFO] [stdout]     src/future/mod.rs - future::FutureTestExt::pending_once (line 34)
[INFO] [stdout]     src/future/mod.rs - future::FutureTestExt::run_in_background (line 60)
[INFO] [stdout]     src/io/read/mod.rs - io::read::AsyncReadTestExt::interleave_pending (line 31)
[INFO] [stdout]     src/io/read/mod.rs - io::read::AsyncReadTestExt::interleave_pending (line 61)
[INFO] [stdout]     src/io/read/mod.rs - io::read::AsyncReadTestExt::limited (line 95)
[INFO] [stdout]     src/io/write/mod.rs - io::write::AsyncWriteTestExt::interleave_pending_write (line 32)
[INFO] [stdout]     src/io/write/mod.rs - io::write::AsyncWriteTestExt::limited_write (line 72)
[INFO] [stdout]     src/io/write/mod.rs - io::write::AsyncWriteTestExt::track_closed (line 105)
[INFO] [stdout]     src/io/write/mod.rs - io::write::AsyncWriteTestExt::track_closed (line 121)
[INFO] [stdout]     src/sink/mod.rs - sink::SinkTestExt::track_closed (line 39)
[INFO] [stdout]     src/sink/mod.rs - sink::SinkTestExt::track_closed (line 61)
[INFO] [stdout]     src/stream/mod.rs - stream::StreamTestExt::interleave_pending (line 30)
[INFO] [stdout]     src/task/context.rs - task::context::noop_context (line 24)
[INFO] [stdout]     src/task/noop_spawner.rs - task::noop_spawner::NoopSpawner (line 8)
[INFO] [stdout]     src/task/noop_spawner.rs - task::noop_spawner::noop_spawner_mut (line 43)
[INFO] [stdout]     src/task/panic_spawner.rs - task::panic_spawner::PanicSpawner (line 8)
[INFO] [stdout]     src/task/panic_spawner.rs - task::panic_spawner::panic_spawner_mut (line 44)
[INFO] [stdout]     src/task/record_spawner.rs - task::record_spawner::RecordSpawner (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 22 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.57s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b22ac350636eeb7f68ebe760ee289e528740e695e4ea4ea8de9903cd17675827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22ac350636eeb7f68ebe760ee289e528740e695e4ea4ea8de9903cd17675827", kill_on_drop: false }`
[INFO] [stdout] b22ac350636eeb7f68ebe760ee289e528740e695e4ea4ea8de9903cd17675827