[INFO] fetching crate futures-test 0.3.31...
[INFO] testing futures-test-0.3.31 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate futures-test 0.3.31 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate futures-test 0.3.31
[INFO] finished tweaking crates.io crate futures-test 0.3.31
[INFO] tweaked toml for crates.io crate futures-test 0.3.31 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-test 0.3.31 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1d670fc994239f82ecd2174d6fc1c522a8486a515e0d10d4dedb47fa3a079a
[INFO] running `Command { std: "docker" "start" "-a" "ce1d670fc994239f82ecd2174d6fc1c522a8486a515e0d10d4dedb47fa3a079a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1d670fc994239f82ecd2174d6fc1c522a8486a515e0d10d4dedb47fa3a079a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1d670fc994239f82ecd2174d6fc1c522a8486a515e0d10d4dedb47fa3a079a", kill_on_drop: false }`
[INFO] [stdout] ce1d670fc994239f82ecd2174d6fc1c522a8486a515e0d10d4dedb47fa3a079a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0e4e7285e5a9ae95c3221579160483cf19278efd0bf9ff9f54a19b0de7a6a8d
[INFO] running `Command { std: "docker" "start" "-a" "a0e4e7285e5a9ae95c3221579160483cf19278efd0bf9ff9f54a19b0de7a6a8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures-test v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.73s
[INFO] running `Command { std: "docker" "inspect" "a0e4e7285e5a9ae95c3221579160483cf19278efd0bf9ff9f54a19b0de7a6a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e4e7285e5a9ae95c3221579160483cf19278efd0bf9ff9f54a19b0de7a6a8d", kill_on_drop: false }`
[INFO] [stdout] a0e4e7285e5a9ae95c3221579160483cf19278efd0bf9ff9f54a19b0de7a6a8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a409c9ba9d0c65a332b92afc7aebc3981fc26bf1ad3ff17a5803157fdb00d21c
[INFO] running `Command { std: "docker" "start" "-a" "a409c9ba9d0c65a332b92afc7aebc3981fc26bf1ad3ff17a5803157fdb00d21c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-test v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "a409c9ba9d0c65a332b92afc7aebc3981fc26bf1ad3ff17a5803157fdb00d21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a409c9ba9d0c65a332b92afc7aebc3981fc26bf1ad3ff17a5803157fdb00d21c", kill_on_drop: false }`
[INFO] [stdout] a409c9ba9d0c65a332b92afc7aebc3981fc26bf1ad3ff17a5803157fdb00d21c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd9073b38e1fba2569140da3b3cd663c0ed036fd3fcdee48455c1a2c09fc2ae1
[INFO] running `Command { std: "docker" "start" "-a" "bd9073b38e1fba2569140da3b3cd663c0ed036fd3fcdee48455c1a2c09fc2ae1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_test-6ed53b046920747c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test assert_unmoved::tests::assert_send_sync ... 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] test assert_unmoved::tests::dont_panic_when_not_polled ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures_test
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[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::interleave_pending_write (line 32) ... FAILED
[INFO] [stdout] test src/assert.rs - assert::assert_stream_pending (line 11) ... FAILED
[INFO] [stdout] test src/assert.rs - assert::assert_stream_done (line 89) ... FAILED
[INFO] [stdout] test src/io/read/mod.rs - io::read::AsyncReadTestExt::limited (line 95) ... FAILED
[INFO] [stdout] test src/io/write/mod.rs - io::write::AsyncWriteTestExt::track_closed (line 105) ... FAILED
[INFO] [stdout] test src/io/write/mod.rs - io::write::AsyncWriteTestExt::limited_write (line 72) ... FAILED
[INFO] [stdout] test src/future/mod.rs - future::FutureTestExt::interleave_pending (line 86) ... FAILED
[INFO] [stdout] test src/io/write/mod.rs - io::write::AsyncWriteTestExt::track_closed (line 121) ... FAILED
[INFO] [stdout] test src/assert.rs - assert::assert_stream_next (line 45) ... FAILED
[INFO] [stdout] test src/sink/mod.rs - sink::SinkTestExt::track_closed (line 39) ... FAILED
[INFO] [stdout] test src/io/read/mod.rs - io::read::AsyncReadTestExt::interleave_pending (line 61) ... FAILED
[INFO] [stdout] test src/future/mod.rs - future::FutureTestExt::run_in_background (line 60) ... FAILED
[INFO] [stdout] test src/task/panic_spawner.rs - task::panic_spawner::panic_spawner_mut (line 44) ... FAILED
[INFO] [stdout] test src/lib.rs - test (line 71) ... ok
[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::NoopSpawner (line 8) ... FAILED
[INFO] [stdout] test src/lib.rs - test (line 61) ... ok
[INFO] [stdout] test src/task/panic_waker.rs - task::panic_waker::panic_waker_ref (line 46) ... ok
[INFO] [stdout] test src/task/noop_spawner.rs - task::noop_spawner::noop_spawner_mut (line 43) ... FAILED
[INFO] [stdout] test src/task/panic_spawner.rs - task::panic_spawner::PanicSpawner (line 8) ... FAILED
[INFO] [stdout] test src/sink/mod.rs - sink::SinkTestExt::track_closed (line 61) ... FAILED
[INFO] [stdout] test src/task/context.rs - task::context::noop_context (line 24) ... FAILED
[INFO] [stdout] test src/task/wake_counter.rs - task::wake_counter::new_count_waker (line 44) ... ok
[INFO] [stdout] test src/task/record_spawner.rs - task::record_spawner::RecordSpawner (line 9) ... FAILED
[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 (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/io/read/mod.rs - io::read::AsyncReadTestExt::interleave_pending (line 31) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:32:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:33:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncRead, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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::interleave_pending_write (line 32) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:33:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:34:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncWrite, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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_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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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/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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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/io/read/mod.rs - io::read::AsyncReadTestExt::limited (line 95) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:96:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:97:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncRead, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:107:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncWriteExt, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:106:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | futures::executor::block_on(async {
[INFO] [stdout]   | ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:73:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:74:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncWrite, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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::interleave_pending (line 86) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/future/mod.rs:87:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/future/mod.rs:88:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::future::{self, Future};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/future/mod.rs:88:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::future::{self, Future};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> src/future/mod.rs:91:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:123:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncWriteExt, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/write/mod.rs:122:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | futures::executor::block_on(async {
[INFO] [stdout]   | ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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/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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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/sink/mod.rs - sink::SinkTestExt::track_closed (line 39) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/sink/mod.rs:41:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::sink::{SinkExt, drain};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/sink/mod.rs:40:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | futures::executor::block_on(async {
[INFO] [stdout]   | ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:62:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/io/read/mod.rs:63:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::io::{AsyncBufRead, Cursor};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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::run_in_background (line 60) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/future/mod.rs:62:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::channel::oneshot;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/future/mod.rs:61:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | futures::executor::block_on(async {
[INFO] [stdout]   | ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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/panic_spawner.rs - task::panic_spawner::panic_spawner_mut (line 44) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/task/panic_spawner.rs:45:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::SpawnExt;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/task/spawn.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     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: trait `SpawnExt` which provides `spawn` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  + use futures_util::task::spawn::SpawnExt;
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `spawn_obj` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 8  | spawner.spawn_obj(async { })?; // Will panic
[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/stream/mod.rs - stream::StreamTestExt::interleave_pending (line 30) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/stream/mod.rs:31:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/stream/mod.rs:32:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::stream::{self, Stream};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/future/mod.rs:35:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/future/mod.rs:36:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::future::FutureExt;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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<{async block@src/future/mod.rs:10:15: 10:20}>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/future/future/mod.rs:554:8
[INFO] [stdout]     |
[INFO] [stdout] 554 |     fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output>
[INFO] [stdout]     |        ---------- the method is available for `PendingOnce<{async block@src/future/mod.rs:10:15: 10:20}>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FutureExt` which provides `poll_unpin` is implemented but not in scope; perhaps you want to import 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<{async block@src/future/mod.rs:10:15: 10:20}>`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/future/future/mod.rs:554:8
[INFO] [stdout]     |
[INFO] [stdout] 554 |     fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output>
[INFO] [stdout]     |        ---------- the method is available for `PendingOnce<{async block@src/future/mod.rs:10:15: 10:20}>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FutureExt` which provides `poll_unpin` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 3   + use futures_util::future::future::FutureExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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::NoopSpawner (line 8) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/task/noop_spawner.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::SpawnExt;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/task/spawn.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     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: trait `SpawnExt` which provides `spawn` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  + use futures_util::task::spawn::SpawnExt;
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `spawn_obj` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 8  | spawner.spawn_obj(async { }).unwrap();
[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::noop_spawner_mut (line 43) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/task/noop_spawner.rs:44:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::SpawnExt;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/task/spawn.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     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: trait `SpawnExt` which provides `spawn` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  + use futures_util::task::spawn::SpawnExt;
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `spawn_obj` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 8  | spawner.spawn_obj(async { }).unwrap();
[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::PanicSpawner (line 8) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/task/panic_spawner.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::SpawnExt;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/task/spawn.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     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: trait `SpawnExt` which provides `spawn` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  + use futures_util::task::spawn::SpawnExt;
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `spawn_obj` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 8  | spawn.spawn_obj(async { })?; // Will panic
[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/sink/mod.rs - sink::SinkTestExt::track_closed (line 61) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/sink/mod.rs:62:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | futures::executor::block_on(async {
[INFO] [stdout]   | ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/task/context.rs:25:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::future::Future;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/task/context.rs:26:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::task::Poll;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll` found for `async` block `{async block@src/task/context.rs:9:14: 9:19}` 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 `{async block@src/task/context.rs:9:14: 9:19}`
[INFO] [stdout]    |
[INFO] [stdout] help: consider pinning the expression with `std::pin::pin!()` and assigning that to a new binding
[INFO] [stdout]   --> src/task/context.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | assert_eq!(future.poll(&mut noop_context()), Poll::Ready(5));
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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/record_spawner.rs - task::record_spawner::RecordSpawner (line 9) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> src/task/record_spawner.rs:10:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::SpawnExt;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[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]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/task/spawn.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     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: there is a method `spawned` with a similar name, but with different arguments
[INFO] [stdout]   --> /opt/rustwide/workdir/src/task/record_spawner.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn spawned(&self) -> Ref<'_, Vec<FutureObj<'static, ()>>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: trait `SpawnExt` which provides `spawn` is implemented but not in scope; perhaps you want to import 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 86)
[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 1.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd9073b38e1fba2569140da3b3cd663c0ed036fd3fcdee48455c1a2c09fc2ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9073b38e1fba2569140da3b3cd663c0ed036fd3fcdee48455c1a2c09fc2ae1", kill_on_drop: false }`
[INFO] [stdout] bd9073b38e1fba2569140da3b3cd663c0ed036fd3fcdee48455c1a2c09fc2ae1
