[INFO] fetching crate futures-channel 0.3.5...
[INFO] checking futures-channel-0.3.5 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate futures-channel 0.3.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate futures-channel 0.3.5 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-channel 0.3.5
[INFO] finished tweaking crates.io crate futures-channel 0.3.5
[INFO] tweaked toml for crates.io crate futures-channel 0.3.5 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a05b5fa5a26a224364875f93d0477b966a320100ddbdf5d22bc45739a9ea0ace
[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" "a05b5fa5a26a224364875f93d0477b966a320100ddbdf5d22bc45739a9ea0ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a05b5fa5a26a224364875f93d0477b966a320100ddbdf5d22bc45739a9ea0ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05b5fa5a26a224364875f93d0477b966a320100ddbdf5d22bc45739a9ea0ace", kill_on_drop: false }`
[INFO] [stdout] a05b5fa5a26a224364875f93d0477b966a320100ddbdf5d22bc45739a9ea0ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14f3c90123596352cb14de74cc426e5afad94c547030331ac7d16569b686f901
[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" "14f3c90123596352cb14de74cc426e5afad94c547030331ac7d16569b686f901", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/oneshot.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::channel::oneshot::{self, Sender};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/oneshot.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/oneshot.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::future::{FutureExt, poll_fn};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/oneshot.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::{Context, Poll};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/oneshot.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::task::panic_waker_ref;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> benches/sync_mpsc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     futures::{
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> benches/sync_mpsc.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     futures_test::task::noop_context,
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> benches/sync_mpsc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     futures::{
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `ready`
[INFO] [stdout]   --> benches/sync_mpsc.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         ready!(tx.as_mut().poll_ready(cx)).unwrap();
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/mpsc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::channel::{mpsc, oneshot};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/mpsc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::executor::{block_on, block_on_stream};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/mpsc.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::future::{FutureExt, poll_fn};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/mpsc.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::stream::{Stream, StreamExt};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/mpsc.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::sink::{Sink, SinkExt};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/mpsc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::task::{Context, Poll};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/mpsc.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_test::task::{new_count_waker, noop_context};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> tests/mpsc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `pin_mut`
[INFO] [stdout]   --> tests/mpsc.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         pin_mut!(tx, rx);
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl AssertSend for mpsc::Sender<i32> {}
[INFO] [stdout]    |                     ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl AssertSend for mpsc::Receiver<i32> {}
[INFO] [stdout]    |                     ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/mpsc-close.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::channel::mpsc;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/mpsc-close.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/mpsc-close.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::sink::SinkExt;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/mpsc-close.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::stream::StreamExt;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/channel.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::channel::mpsc;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/channel.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/channel.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::future::poll_fn;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/channel.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::stream::StreamExt;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]  --> tests/channel.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::sink::SinkExt;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (mut tx, rx) = oneshot::channel::<u32>();
[INFO] [stdout]    |                        ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> benches/sync_mpsc.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let (tx, mut rx) = mpsc::unbounded();
[INFO] [stdout]    |                            ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> benches/sync_mpsc.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |             assert_eq!(Poll::Pending, rx.poll_next_unpin(&mut cx));
[INFO] [stdout]    |                        ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> benches/sync_mpsc.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (tx, mut rx) = mpsc::unbounded();
[INFO] [stdout]    |                            ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> benches/sync_mpsc.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 assert_eq!(Poll::Pending, rx.poll_next_unpin(&mut cx));
[INFO] [stdout]    |                            ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let (mut tx, rx) = oneshot::channel::<u32>();
[INFO] [stdout]    |                        ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let (otx, orx) = oneshot::channel::<u32>();
[INFO] [stdout]    |                          ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let (mut tx, rx) = mpsc::channel::<i32>(16);
[INFO] [stdout]    |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let (mut tx, rx) = oneshot::channel::<u32>();
[INFO] [stdout]    |                        ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> benches/sync_mpsc.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let (tx, mut rx) = mpsc::unbounded();
[INFO] [stdout]    |                            ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> tests/oneshot.rs:62:43
[INFO] [stdout]    |
[INFO] [stdout] 62 |     assert_eq!(tx.poll_canceled(&mut cx), Poll::Pending);
[INFO] [stdout]    |                                           ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> benches/sync_mpsc.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |         assert_eq!(Poll::Pending, tx.as_mut().poll_flush(cx));
[INFO] [stdout]    |                    ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let (mut tx, mut rx) = oneshot::channel::<u32>();
[INFO] [stdout]    |                            ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> tests/oneshot.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             Poll::Ready(Err(_)) => {},
[INFO] [stdout]    |             ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> benches/sync_mpsc.rs:106:28
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let (tx, mut rx) = mpsc::channel(0);
[INFO] [stdout]     |                            ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> benches/sync_mpsc.rs:112:24
[INFO] [stdout]     |
[INFO] [stdout] 112 |             assert_eq!(Poll::Pending, tx.poll_next_unpin(&mut cx));
[INFO] [stdout]     |                        ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let (mut tx, mut rx) = oneshot::channel::<u32>();
[INFO] [stdout]    |                            ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let (tx, rx) = mpsc::channel::<i32>(0);
[INFO] [stdout]    |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let (tx, rx) = oneshot::channel::<u32>();
[INFO] [stdout]    |                    ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> benches/sync_mpsc.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let (tx, mut rx) = mpsc::channel(0);
[INFO] [stdout]     |                            ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> benches/sync_mpsc.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 assert_eq!(Poll::Pending, x.poll_next_unpin(&mut cx));
[INFO] [stdout]     |                            ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> benches/sync_mpsc.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UnboundedSender`
[INFO] [stdout]   --> benches/sync_mpsc.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             UnboundedSender::unbounded_send(&tx, i).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_channel::mpsc::UnboundedSender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> benches/sync_mpsc.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |             assert_eq!(Poll::Ready(Some(i)), rx.poll_next_unpin(&mut cx));
[INFO] [stdout]    |                        ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> benches/sync_mpsc.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `oneshot`
[INFO] [stdout]    --> tests/oneshot.rs:112:30
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let (otx, mut orx) = oneshot::channel::<u32>();
[INFO] [stdout]     |                              ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UnboundedSender`
[INFO] [stdout]   --> benches/sync_mpsc.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 UnboundedSender::unbounded_send(x, i).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_channel::mpsc::UnboundedSender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc-close.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let (mut sender, receiver) = mpsc::channel(1);
[INFO] [stdout]    |                                  ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> benches/sync_mpsc.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 assert_eq!(Poll::Ready(Some(i)), rx.poll_next_unpin(&mut cx));
[INFO] [stdout]    |                            ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> benches/sync_mpsc.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_fn` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let f = poll_fn(|cx| {
[INFO] [stdout]    |             ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::core_reexport::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> tests/oneshot.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Poll::Ready(())
[INFO] [stdout]    |         ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     block_on(f);
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         block_on(tx.cancellation());
[INFO] [stdout]    |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:38:37
[INFO] [stdout]    |
[INFO] [stdout] 38 |       let (tx, rx) = mpsc::channel::<(Sender<_>, mpsc::Sender<_>)>();
[INFO] [stdout]    |                                       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (tx, rx) = mpsc::channel::<(Send<_>, mpsc::Sender<_>)>();
[INFO] [stdout]    |                                     ^^^^
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_channel::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_channel::oneshot::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UnboundedSender`
[INFO] [stdout]   --> benches/sync_mpsc.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             UnboundedSender::unbounded_send(&tx, i).expect("send");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_channel::mpsc::UnboundedSender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             block_on(tx.cancellation());
[INFO] [stdout]    |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Context`
[INFO] [stdout]   --> tests/oneshot.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut cx = Context::from_waker(panic_waker_ref());
[INFO] [stdout]    |                  ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::task::Context;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::Context;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Context;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::core_reexport::task::Context;
[INFO] [stdout]    |
[INFO] [stdout]      and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> benches/sync_mpsc.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |             assert_eq!(Poll::Ready(Some(i)), rx.poll_next_unpin(&mut cx));
[INFO] [stdout]    |                        ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_waker_ref` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:61:38
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut cx = Context::from_waker(panic_waker_ref());
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     block_on(poll_fn(|cx| {
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stdout]   --> benches/sync_mpsc.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |       tx: Sender<u32>,
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 79 |     tx: Send<u32>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_channel::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_channel::oneshot::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_fn` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:71:14
[INFO] [stdout]    |
[INFO] [stdout] 71 |     block_on(poll_fn(|cx| {
[INFO] [stdout]    |              ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::core_reexport::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Stream` in this scope
[INFO] [stdout]   --> benches/sync_mpsc.rs:84:6
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Stream for TestSender {
[INFO] [stdout]    |      ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_core::Stream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> tests/oneshot.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         Poll::Ready(())
[INFO] [stdout]    |         ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Context` in this scope
[INFO] [stdout]   --> benches/sync_mpsc.rs:87:53
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>)
[INFO] [stdout]    |                                                     ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::task::Context;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_core::core_reexport::task::Context;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::task::Context;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     block_on(tx.cancellation());
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Poll` in this scope
[INFO] [stdout]   --> benches/sync_mpsc.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |         -> Poll<Option<Self::Item>>
[INFO] [stdout]    |            ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stdout]    --> tests/oneshot.rs:104:36
[INFO] [stdout]     |
[INFO] [stdout] 104 |       let (tx, rx) = mpsc::channel::<Sender<_>>();
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let (tx, rx) = mpsc::channel::<Send<_>>();
[INFO] [stdout]     |                                    ^^^^
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::mpsc::Sender;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_channel::mpsc::Sender;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_channel::oneshot::Sender;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::sync::mpsc::Sender;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> benches/sync_mpsc.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         Poll::Ready(Some(this.last))
[INFO] [stdout]    |         ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/oneshot.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = block_on(orx);
[INFO] [stdout]     |                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> benches/sync_mpsc.rs:104:18
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut cx = noop_context();
[INFO] [stdout]     |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> benches/sync_mpsc.rs:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |             assert_eq!(Poll::Ready(Some(i + 1)), tx.poll_next_unpin(&mut cx));
[INFO] [stdout]     |                        ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 4   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 4   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 4   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> benches/sync_mpsc.rs:113:24
[INFO] [stdout]     |
[INFO] [stdout] 113 |             assert_eq!(Poll::Ready(Some(i + 1)), rx.poll_next_unpin(&mut cx));
[INFO] [stdout]     |                        ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 4   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 4   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 4   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> benches/sync_mpsc.rs:121:18
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut cx = noop_context();
[INFO] [stdout]     |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> benches/sync_mpsc.rs:136:28
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 assert_eq!(Poll::Ready(Some(i + 1)), x.poll_next_unpin(&mut cx));
[INFO] [stdout]     |                            ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 4   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 4   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 4   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> benches/sync_mpsc.rs:140:28
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 assert_eq!(Poll::Ready(Some(i + 1)), rx.poll_next_unpin(&mut cx));
[INFO] [stdout]     |                            ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 4   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 4   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 4   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 34 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]   --> tests/mpsc-close.rs:17:44
[INFO] [stdout]    |
[INFO] [stdout] 17 |     block_on(receiver.take(3).for_each(|_| futures::future::ready(())));
[INFO] [stdout]    |                                            ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-channel`
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/channel.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let (tx, rx) = mpsc::channel(1);
[INFO] [stdout]    |                    ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let (mut tx1, rx) = mpsc::channel::<i32>(16);
[INFO] [stdout]    |                         ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/channel.rs:27:44
[INFO] [stdout]    |
[INFO] [stdout] 27 | async fn send_sequence(n: u32, mut sender: mpsc::Sender<u32>) {
[INFO] [stdout]    |                                            ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc-close.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let (mut tx1, mut rx) = mpsc::channel(1);
[INFO] [stdout]    |                                 ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/channel.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let (tx, mut rx) = mpsc::channel::<u32>(1);
[INFO] [stdout]    |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/channel.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let (mut tx, rx) = mpsc::channel::<u32>(1);
[INFO] [stdout]    |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let (mut tx, rx) = mpsc::channel::<i32>(16);
[INFO] [stdout]    |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc.rs:92:24
[INFO] [stdout]    |
[INFO] [stdout] 92 |     let (mut tx, rx) = mpsc::channel::<i32>(0);
[INFO] [stdout]    |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/channel.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let (mut tx, rx) = mpsc::channel(1);
[INFO] [stdout]    |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc-close.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let (mut tx1, mut rx) = mpsc::unbounded();
[INFO] [stdout]    |                                 ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 29 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/channel.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         block_on(send_sequence(amt, tx))
[INFO] [stdout]    |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/channel.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let list: Vec<_> = block_on(rx.collect());
[INFO] [stdout]    |                        ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_fn` in this scope
[INFO] [stdout]   --> tests/channel.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let f = poll_fn(|cx| {
[INFO] [stdout]    |             ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::core_reexport::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/channel.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     assert_eq!(block_on(f), None)
[INFO] [stdout]    |                ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/channel.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     block_on(tx.send(1)).unwrap();
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/channel.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     assert!(block_on(tx.send(1)).is_err());
[INFO] [stdout]    |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/channel.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     block_on(tx.send(A)).unwrap();
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/channel.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     assert!(block_on(tx.send(A)).is_err());
[INFO] [stdout]    |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:107:28
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let (mut tx, mut rx) = mpsc::channel::<i32>(10);
[INFO] [stdout]     |                            ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc-close.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let (mut tx1, mut rx) = mpsc::channel(1);
[INFO] [stdout]    |                                 ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             Poll::Pending | Poll::Ready(Ok(_)) => panic!(),
[INFO] [stdout]     |             ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |             Poll::Pending | Poll::Ready(Ok(_)) => panic!(),
[INFO] [stdout]     |                             ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             Poll::Ready(Err(e)) => assert!(e.is_disconnected()),
[INFO] [stdout]     |             ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let (_, mut rx) = mpsc::channel::<i32>(10);
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]   --> tests/mpsc-close.rs:88:29
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let (tx1, mut rx) = mpsc::unbounded();
[INFO] [stdout]    |                             ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc-close.rs:110:34
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let (sender, receiver) = mpsc::unbounded();
[INFO] [stdout]     |                                  ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:205:20
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let (tx, rx) = mpsc::unbounded::<i32>();
[INFO] [stdout]     |                    ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:234:20
[INFO] [stdout]     |
[INFO] [stdout] 234 |     let (tx, rx) = mpsc::channel::<i32>(0);
[INFO] [stdout]     |                    ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc-close.rs:129:38
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let (mut sender, receiver) = mpsc::channel(1);
[INFO] [stdout]     |                                      ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |         while let Ok(()) = block_on(sender.send(42)) {}
[INFO] [stdout]    |                            ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     block_on(receiver.take(3).for_each(|_| futures::future::ready(())));
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         block_on(tx3.close()).unwrap();
[INFO] [stdout]    |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         block_on(tx4.send(5)).unwrap();
[INFO] [stdout]    |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |         assert_eq!(block_on(rx.next()), Some(5));
[INFO] [stdout]    |                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |         assert_eq!(block_on(rx.next()), None);
[INFO] [stdout]    |                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         block_on(tx3.close()).unwrap();
[INFO] [stdout]    |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         block_on(tx4.send(5)).unwrap();
[INFO] [stdout]    |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:61:20
[INFO] [stdout]    |
[INFO] [stdout] 61 |         assert_eq!(block_on(rx.next()), Some(5));
[INFO] [stdout]    |                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |         assert_eq!(block_on(rx.next()), None);
[INFO] [stdout]    |                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let err = block_on(tx2.send(5)).unwrap_err();
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:84:20
[INFO] [stdout]    |
[INFO] [stdout] 84 |         assert_eq!(block_on(rx.next()), None);
[INFO] [stdout]    |                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc-close.rs:97:19
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let err = block_on(tx2.send(5)).unwrap_err();
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc-close.rs:100:20
[INFO] [stdout]     |
[INFO] [stdout] 100 |         assert_eq!(block_on(rx.next()), None);
[INFO] [stdout]     |                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:264:24
[INFO] [stdout]     |
[INFO] [stdout] 264 |     let (mut tx, rx) = mpsc::channel::<usize>(0);
[INFO] [stdout]     |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:294:29
[INFO] [stdout]     |
[INFO] [stdout] 294 | ...                   Poll::Ready(Some(_)) => {
[INFO] [stdout]     |                       ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:297:29
[INFO] [stdout]     |
[INFO] [stdout] 297 | ...                   Poll::Ready(None) => {
[INFO] [stdout]     |                       ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:301:29
[INFO] [stdout]     |
[INFO] [stdout] 301 | ...                   Poll::Pending => {},
[INFO] [stdout]     |                       ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:331:24
[INFO] [stdout]     |
[INFO] [stdout] 331 |         let (tx, rx) = mpsc::channel(1);
[INFO] [stdout]     |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:344:37
[INFO] [stdout]     |
[INFO] [stdout] 344 | async fn send_one_two_three(mut tx: mpsc::Sender<i32>) {
[INFO] [stdout]     |                                     ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:353:20
[INFO] [stdout]     |
[INFO] [stdout] 353 |     let (tx, rx) = mpsc::unbounded();
[INFO] [stdout]     |                    ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:390:47
[INFO] [stdout]     |
[INFO] [stdout] 390 | async fn stress_poll_ready_sender(mut sender: mpsc::Sender<u32>, count: u32) {
[INFO] [stdout]     |                                               ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:404:24
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let (tx, rx) = mpsc::channel(capacity);
[INFO] [stdout]     |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:431:24
[INFO] [stdout]     |
[INFO] [stdout] 431 |     let (mut tx, rx) = mpsc::channel(0);
[INFO] [stdout]     |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 26 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:453:24
[INFO] [stdout]     |
[INFO] [stdout] 453 |     let (mut tx, rx) = mpsc::channel(0);
[INFO] [stdout]     |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `oneshot`
[INFO] [stdout]    --> tests/mpsc.rs:458:30
[INFO] [stdout]     |
[INFO] [stdout] 458 |     let (readytx, readyrx) = oneshot::channel::<()>();
[INFO] [stdout]     |                              ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:480:24
[INFO] [stdout]     |
[INFO] [stdout] 480 |     let (mut tx, rx) = mpsc::channel(0);
[INFO] [stdout]     |                        ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:499:28
[INFO] [stdout]     |
[INFO] [stdout] 499 |     let (mut tx, mut rx) = mpsc::channel(1);
[INFO] [stdout]     |                            ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:513:25
[INFO] [stdout]     |
[INFO] [stdout] 513 |     let (mut txa1, _) = mpsc::channel::<i32>(1);
[INFO] [stdout]     |                         ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:516:25
[INFO] [stdout]     |
[INFO] [stdout] 516 |     let (mut txb1, _) = mpsc::channel::<i32>(1);
[INFO] [stdout]     |                         ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:539:25
[INFO] [stdout]     |
[INFO] [stdout] 539 |     let (mut txa1, _) = mpsc::channel::<i32>(1);
[INFO] [stdout]     |                         ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:542:25
[INFO] [stdout]     |
[INFO] [stdout] 542 |     let (mut txb1, _) = mpsc::channel::<i32>(1);
[INFO] [stdout]     |                         ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:584:28
[INFO] [stdout]     |
[INFO] [stdout] 584 |     let (mut tx, mut rx) = mpsc::channel(1);
[INFO] [stdout]     |                            ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:588:42
[INFO] [stdout]     |
[INFO] [stdout] 588 |     assert_eq!(task.poll_unpin(&mut cx), Poll::Pending);
[INFO] [stdout]     |                                          ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:605:29
[INFO] [stdout]     |
[INFO] [stdout] 605 |     let (mut tx1, mut rx) = mpsc::channel(1);
[INFO] [stdout]     |                             ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:610:42
[INFO] [stdout]     |
[INFO] [stdout] 610 |     assert_eq!(task.poll_unpin(&mut cx), Poll::Pending);
[INFO] [stdout]     |                                          ^^^^ use of undeclared type `Poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     block_on(tx.send(1)).unwrap();
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let v: Vec<_> = block_on(rx.collect());
[INFO] [stdout]    |                     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     block_on(poll_fn(move |cx| {
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_fn` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     block_on(poll_fn(move |cx| {
[INFO] [stdout]    |              ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::core_reexport::future::poll_fn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> tests/mpsc.rs:47:47
[INFO] [stdout]    |
[INFO] [stdout] 47 |         assert_eq!(rx.as_mut().poll_next(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] 1  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> tests/mpsc.rs:56:47
[INFO] [stdout]    |
[INFO] [stdout] 56 |         assert_eq!(rx.as_mut().poll_next(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] 1  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]   --> tests/mpsc.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         Poll::Ready(())
[INFO] [stdout]    |         ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::task::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on_stream` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut rx = block_on_stream(rx);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     block_on(tx1.send(1)).unwrap();
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     block_on(tx2.send(2)).unwrap();
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         block_on(tx.send(1)).unwrap();
[INFO] [stdout]    |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let v: Vec<_> = block_on(rx.take(1).collect());
[INFO] [stdout]    |                     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         block_on(tx.send(1)).unwrap();
[INFO] [stdout]    |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         block_on(tx.send(2)).unwrap();
[INFO] [stdout]    |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/mpsc.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let v: Vec<_> = block_on(rx.collect());
[INFO] [stdout]    |                     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     block_on(poll_fn(move |cx| {
[INFO] [stdout]     |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_fn` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:110:14
[INFO] [stdout]     |
[INFO] [stdout] 110 |     block_on(poll_fn(move |cx| {
[INFO] [stdout]     |              ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::future::poll_fn;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::future::poll_fn;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:113:44
[INFO] [stdout]     |
[INFO] [stdout] 113 |         assert_eq!(rx.poll_next_unpin(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] 1   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Poll::Ready(())
[INFO] [stdout]     |         ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     block_on(poll_fn(move |cx| {
[INFO] [stdout]     |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_fn` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |     block_on(poll_fn(move |cx| {
[INFO] [stdout]     |              ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::future::poll_fn;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::future::poll_fn;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:129:44
[INFO] [stdout]     |
[INFO] [stdout] 129 |         assert_eq!(rx.poll_next_unpin(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] 1   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         Poll::Ready(())
[INFO] [stdout]     |         ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:208:30
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let result: Vec<_> = block_on(rx.collect());
[INFO] [stdout]     |                              ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:237:30
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let result: Vec<_> = block_on(rx.collect());
[INFO] [stdout]     |                              ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 block_on(tx.send(1)).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:282:36
[INFO] [stdout]     |
[INFO] [stdout] 282 |                         let item = block_on(rx.next());
[INFO] [stdout]     |                                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:293:55
[INFO] [stdout]     |
[INFO] [stdout] 293 |                         match rx.poll_next_unpin(&mut noop_context()) {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |         block_on(tx.send(i)).unwrap();
[INFO] [stdout]     |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Stream` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:330:23
[INFO] [stdout]     |
[INFO] [stdout] 330 |     fn list() -> impl Stream<Item=i32> {
[INFO] [stdout]     |                       ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::Stream;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:333:13
[INFO] [stdout]     |
[INFO] [stdout] 333 |             block_on(send_one_two_three(tx));
[INFO] [stdout]     |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:339:25
[INFO] [stdout]     |
[INFO] [stdout] 339 |         let v: Vec<_> = block_on(list().collect());
[INFO] [stdout]     |                         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on_stream` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:354:18
[INFO] [stdout]     |
[INFO] [stdout] 354 |     let mut rx = block_on_stream(rx);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:409:17
[INFO] [stdout]     |
[INFO] [stdout] 409 |                 block_on(stress_poll_ready_sender(sender, AMT))
[INFO] [stdout]     |                 ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:414:30
[INFO] [stdout]     |
[INFO] [stdout] 414 |         let result: Vec<_> = block_on(rx.collect());
[INFO] [stdout]     |                              ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:443:26
[INFO] [stdout]     |
[INFO] [stdout] 443 |     let result: Vec<_> = block_on(rx.collect());
[INFO] [stdout]     |                          ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on_stream` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:454:18
[INFO] [stdout]     |
[INFO] [stdout] 454 |     let mut rx = block_on_stream(rx);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         block_on(poll_fn(|cx| {
[INFO] [stdout]     |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_fn` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:461:18
[INFO] [stdout]     |
[INFO] [stdout] 461 |         block_on(poll_fn(|cx| {
[INFO] [stdout]     |                  ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::future::poll_fn;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::future::poll_fn;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:463:13
[INFO] [stdout]     |
[INFO] [stdout] 463 |             Poll::Ready(())
[INFO] [stdout]     |             ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 467 |         block_on(tx.send("goodbye")).unwrap();
[INFO] [stdout]     |         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:470:13
[INFO] [stdout]     |
[INFO] [stdout] 470 |     let _ = block_on(readyrx);
[INFO] [stdout]     |             ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on_stream` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:481:18
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let mut rx = block_on_stream(rx);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_count_waker` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:581:28
[INFO] [stdout]     |
[INFO] [stdout] 581 |     let (waker, counter) = new_count_waker();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Context`
[INFO] [stdout]    --> tests/mpsc.rs:582:18
[INFO] [stdout]     |
[INFO] [stdout] 582 |     let mut cx = Context::from_waker(&waker);
[INFO] [stdout]     |                  ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::task::Context;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::Context;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Context;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::task::Context;
[INFO] [stdout]     |
[INFO] [stdout]       and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:585:5
[INFO] [stdout]     |
[INFO] [stdout] 585 |     block_on(tx.send(1)).unwrap();
[INFO] [stdout]     |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:591:16
[INFO] [stdout]     |
[INFO] [stdout] 591 |     let item = block_on(rx.next()).unwrap();
[INFO] [stdout]     |                ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:594:42
[INFO] [stdout]     |
[INFO] [stdout] 594 |     assert_eq!(task.poll_unpin(&mut cx), Poll::Ready(Ok(())));
[INFO] [stdout]     |                                          ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:596:16
[INFO] [stdout]     |
[INFO] [stdout] 596 |     let item = block_on(rx.next()).unwrap();
[INFO] [stdout]     |                ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_count_waker` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:602:28
[INFO] [stdout]     |
[INFO] [stdout] 602 |     let (waker, counter) = new_count_waker();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Context`
[INFO] [stdout]    --> tests/mpsc.rs:603:18
[INFO] [stdout]     |
[INFO] [stdout] 603 |     let mut cx = Context::from_waker(&waker);
[INFO] [stdout]     |                  ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::task::Context;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::Context;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Context;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::task::Context;
[INFO] [stdout]     |
[INFO] [stdout]       and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:607:5
[INFO] [stdout]     |
[INFO] [stdout] 607 |     block_on(tx1.send(1)).unwrap();
[INFO] [stdout]     |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:613:16
[INFO] [stdout]     |
[INFO] [stdout] 613 |     let item = block_on(rx.next()).unwrap();
[INFO] [stdout]     |                ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Poll`
[INFO] [stdout]    --> tests/mpsc.rs:616:42
[INFO] [stdout]     |
[INFO] [stdout] 616 |     assert_eq!(task.poll_unpin(&mut cx), Poll::Ready(Ok(())));
[INFO] [stdout]     |                                          ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::thread::thread::env::sys::ext::net::sys_common::backtrace::backtrace_rs::symbolize::gimli::mystd::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::task::Poll;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:618:16
[INFO] [stdout]     |
[INFO] [stdout] 618 |     let item = block_on(rx.next()).unwrap();
[INFO] [stdout]     |                ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]    --> tests/mpsc.rs:345:14
[INFO] [stdout]     |
[INFO] [stdout] 345 |     for i in 1..=3 {
[INFO] [stdout]     |              ^ cannot infer type for type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]    --> tests/mpsc.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         tx.send(i).await.unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]    --> tests/mpsc.rs:345:18
[INFO] [stdout]     |
[INFO] [stdout] 345 |     for i in 1..=3 {
[INFO] [stdout]     |                  ^ cannot infer type for type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]    --> tests/mpsc.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         tx.send(i).await.unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]    --> tests/mpsc.rs:345:14
[INFO] [stdout]     |
[INFO] [stdout] 345 |     for i in 1..=3 {
[INFO] [stdout]     |              ^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]    --> tests/mpsc.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         tx.send(i).await.unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]    --> tests/mpsc.rs:345:14
[INFO] [stdout]     |
[INFO] [stdout] 345 |     for i in 1..=3 {
[INFO] [stdout]     |              ^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]    --> tests/mpsc.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         tx.send(i).await.unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]    --> tests/mpsc.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |     for i in 1..=3 {
[INFO] [stdout]     |         ^ cannot infer type for type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]    --> tests/mpsc.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         tx.send(i).await.unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]    --> tests/mpsc.rs:346:17
[INFO] [stdout]     |
[INFO] [stdout] 346 |         tx.send(i).await.unwrap();
[INFO] [stdout]     |                 ^ cannot infer type for type `{integer}`
[INFO] [stdout]     |
[INFO] [stdout] note: the type is part of the `async fn` body because of this `await`
[INFO] [stdout]    --> tests/mpsc.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         tx.send(i).await.unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 106 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0432, E0433, E0698.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "14f3c90123596352cb14de74cc426e5afad94c547030331ac7d16569b686f901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f3c90123596352cb14de74cc426e5afad94c547030331ac7d16569b686f901", kill_on_drop: false }`
[INFO] [stdout] 14f3c90123596352cb14de74cc426e5afad94c547030331ac7d16569b686f901