[INFO] fetching crate futures-channel-preview 0.3.0-alpha.19...
[INFO] building futures-channel-preview-0.3.0-alpha.19 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate futures-channel-preview 0.3.0-alpha.19 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate futures-channel-preview 0.3.0-alpha.19 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-channel-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-channel-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-channel-preview 0.3.0-alpha.19 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea7fdd431f51d0977d90f0de71ad5114dcf08039ccd9a011183d3042b2da73f9
[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" "ea7fdd431f51d0977d90f0de71ad5114dcf08039ccd9a011183d3042b2da73f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea7fdd431f51d0977d90f0de71ad5114dcf08039ccd9a011183d3042b2da73f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7fdd431f51d0977d90f0de71ad5114dcf08039ccd9a011183d3042b2da73f9", kill_on_drop: false }`
[INFO] [stdout] ea7fdd431f51d0977d90f0de71ad5114dcf08039ccd9a011183d3042b2da73f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd8004230f0d9c61f49fd421b97097c57308868a2e0eb9a1091095cc56e70f3
[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" "4bd8004230f0d9c61f49fd421b97097c57308868a2e0eb9a1091095cc56e70f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/mod.rs:771:49
[INFO] [stdout]     |
[INFO] [stdout] 771 |             let actual = self.inner.num_senders.compare_and_swap(curr, next, SeqCst);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "4bd8004230f0d9c61f49fd421b97097c57308868a2e0eb9a1091095cc56e70f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd8004230f0d9c61f49fd421b97097c57308868a2e0eb9a1091095cc56e70f3", kill_on_drop: false }`
[INFO] [stdout] 4bd8004230f0d9c61f49fd421b97097c57308868a2e0eb9a1091095cc56e70f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c4858ec37d9795a492415a07d5aefe5282ccd3429e77212fbbf584b942dd5ef
[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" "7c4858ec37d9795a492415a07d5aefe5282ccd3429e77212fbbf584b942dd5ef", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/mod.rs:771:49
[INFO] [stdout]     |
[INFO] [stdout] 771 |             let actual = self.inner.num_senders.compare_and_swap(curr, next, SeqCst);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19 (/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::{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 `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     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 `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 `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     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 `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |         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 `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     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 type `Poll`
[INFO] [stdout]   --> tests/oneshot.rs:75:41
[INFO] [stdout]    |
[INFO] [stdout] 75 |     assert_eq!(tx.poll_cancel(&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 `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |     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:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             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 `oneshot`
[INFO] [stdout]   --> tests/oneshot.rs:96:24
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let (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 `oneshot`
[INFO] [stdout]    --> tests/oneshot.rs:109:20
[INFO] [stdout]     |
[INFO] [stdout] 109 |     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 `oneshot`
[INFO] [stdout]    --> tests/oneshot.rs:125:30
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let (otx, mut orx) = oneshot::channel::<u32>();
[INFO] [stdout]     |                              ^^^^^^^ use of undeclared crate or module `oneshot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `poll_fn` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     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] 1  | use std::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:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         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 futures_core::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:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     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:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         block_on(WaitForCancel { tx: tx });
[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:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |       tx: Sender<u32>,
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 38 |     tx: Send<u32>,
[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[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Future for WaitForCancel {
[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::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use futures_core::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Context` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:44:48
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[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 futures_core::core_reexport::task::Context;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::task::Context;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Poll` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:44:64
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[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 futures_core::Poll;
[INFO] [stdout]    |
[INFO] [stdout] 1  | 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:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |       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] 51 |     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[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             block_on(WaitForCancel { tx });
[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:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |     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 futures_core::core_reexport::task::Context;
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::task::Context;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_waker_ref` in this scope
[INFO] [stdout]   --> tests/oneshot.rs:74:38
[INFO] [stdout]    |
[INFO] [stdout] 74 |     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:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     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/oneshot.rs:84:14
[INFO] [stdout]    |
[INFO] [stdout] 84 |     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] 1  | use std::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:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         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 futures_core::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:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     block_on(WaitForCancel { tx: tx });
[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:117:36
[INFO] [stdout]     |
[INFO] [stdout] 117 |       let (tx, rx) = mpsc::channel::<Sender<_>>();
[INFO] [stdout]     |                                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 117 |     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[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/oneshot.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 129 |         drop(block_on(orx));
[INFO] [stdout]     |              ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 33 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-channel-preview`
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]  --> tests/mpsc-close.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (mut sender, receiver) = mpsc::channel(1);
[INFO] [stdout]   |                                  ^^^^ use of undeclared crate or module `mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]   --> tests/mpsc-close.rs:16:49
[INFO] [stdout]    |
[INFO] [stdout] 16 |     drop(block_on(receiver.take(3).for_each(|_| futures::future::ready(()))));
[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 `mpsc`
[INFO] [stdout]   --> tests/mpsc-close.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 |         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/mpsc-close.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let (mut 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:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 |         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/mpsc-close.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let (tx1, mut rx) = mpsc::unbounded();
[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:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |         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:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     drop(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:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         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:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         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:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |         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:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |         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:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         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:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         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:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |         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:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         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:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |         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:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |         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:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |         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:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 |         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 `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: aborting due to 24 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: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 `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 `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] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/mod.rs:771:49
[INFO] [stdout]     |
[INFO] [stdout] 771 |             let actual = self.inner.num_senders.compare_and_swap(curr, next, SeqCst);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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/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 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:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 |     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 `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 `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:207:20
[INFO] [stdout]     |
[INFO] [stdout] 207 |     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:236:20
[INFO] [stdout]     |
[INFO] [stdout] 236 |     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.rs:266:24
[INFO] [stdout]     |
[INFO] [stdout] 266 |     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:296:29
[INFO] [stdout]     |
[INFO] [stdout] 296 | ...                   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:299:29
[INFO] [stdout]     |
[INFO] [stdout] 299 | ...                   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:303:29
[INFO] [stdout]     |
[INFO] [stdout] 303 | ...                   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:333:24
[INFO] [stdout]     |
[INFO] [stdout] 333 |         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:346:37
[INFO] [stdout]     |
[INFO] [stdout] 346 | 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:355:20
[INFO] [stdout]     |
[INFO] [stdout] 355 |     let (tx, 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.rs:392:47
[INFO] [stdout]     |
[INFO] [stdout] 392 | 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:406:24
[INFO] [stdout]     |
[INFO] [stdout] 406 |         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:433:24
[INFO] [stdout]     |
[INFO] [stdout] 433 |     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:455:24
[INFO] [stdout]     |
[INFO] [stdout] 455 |     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:460:30
[INFO] [stdout]     |
[INFO] [stdout] 460 |     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/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] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `mpsc`
[INFO] [stdout]    --> tests/mpsc.rs:482:24
[INFO] [stdout]     |
[INFO] [stdout] 482 |     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/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.rs:501:28
[INFO] [stdout]     |
[INFO] [stdout] 501 |     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/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/mpsc.rs:515:25
[INFO] [stdout]     |
[INFO] [stdout] 515 |     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/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:518:25
[INFO] [stdout]     |
[INFO] [stdout] 518 |     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/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.rs:537:28
[INFO] [stdout]     |
[INFO] [stdout] 537 |     let (mut tx, mut rx) = 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/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] 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] 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] 1  | use std::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:541:42
[INFO] [stdout]     |
[INFO] [stdout] 541 |     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/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:558:29
[INFO] [stdout]     |
[INFO] [stdout] 558 |     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:563:42
[INFO] [stdout]     |
[INFO] [stdout] 563 |     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] 1  | use std::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 futures_core::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 futures_core::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 futures_core::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] 1   | use std::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 futures_core::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:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         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 futures_core::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:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     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:130:14
[INFO] [stdout]     |
[INFO] [stdout] 130 |     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] 1   | use std::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:131:44
[INFO] [stdout]     |
[INFO] [stdout] 131 |         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 futures_core::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:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         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 futures_core::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:210:30
[INFO] [stdout]     |
[INFO] [stdout] 210 |         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:239:30
[INFO] [stdout]     |
[INFO] [stdout] 239 |         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:251:17
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 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:284:36
[INFO] [stdout]     |
[INFO] [stdout] 284 |                         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:295:55
[INFO] [stdout]     |
[INFO] [stdout] 295 |                         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:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         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:332:23
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn list() -> impl Stream<Item=i32> {
[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::stream::Stream;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::Stream;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use futures_core::core_reexport::stream::Stream;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::stream::Stream;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stdout]    --> tests/mpsc.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |             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:341:25
[INFO] [stdout]     |
[INFO] [stdout] 341 |         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:356:18
[INFO] [stdout]     |
[INFO] [stdout] 356 |     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:411:17
[INFO] [stdout]     |
[INFO] [stdout] 411 |                 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:416:30
[INFO] [stdout]     |
[INFO] [stdout] 416 |         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:445:26
[INFO] [stdout]     |
[INFO] [stdout] 445 |     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:456:18
[INFO] [stdout]     |
[INFO] [stdout] 456 |     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:463:9
[INFO] [stdout]     |
[INFO] [stdout] 463 |         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:463:18
[INFO] [stdout]     |
[INFO] [stdout] 463 |         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] 1   | use std::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:465:13
[INFO] [stdout]     |
[INFO] [stdout] 465 |             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 futures_core::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:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 |         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:472:10
[INFO] [stdout]     |
[INFO] [stdout] 472 |     drop(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:483:18
[INFO] [stdout]     |
[INFO] [stdout] 483 |     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:534:28
[INFO] [stdout]     |
[INFO] [stdout] 534 |     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:535:18
[INFO] [stdout]     |
[INFO] [stdout] 535 |     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 futures_core::core_reexport::task::Context;
[INFO] [stdout]     |
[INFO] [stdout] 1   | 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/mpsc.rs:538:5
[INFO] [stdout]     |
[INFO] [stdout] 538 |     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:544:16
[INFO] [stdout]     |
[INFO] [stdout] 544 |     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:547:42
[INFO] [stdout]     |
[INFO] [stdout] 547 |     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 futures_core::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:549:16
[INFO] [stdout]     |
[INFO] [stdout] 549 |     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:555:28
[INFO] [stdout]     |
[INFO] [stdout] 555 |     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:556:18
[INFO] [stdout]     |
[INFO] [stdout] 556 |     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 futures_core::core_reexport::task::Context;
[INFO] [stdout]     |
[INFO] [stdout] 1   | 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/mpsc.rs:560:5
[INFO] [stdout]     |
[INFO] [stdout] 560 |     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:566:16
[INFO] [stdout]     |
[INFO] [stdout] 566 |     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:569:42
[INFO] [stdout]     |
[INFO] [stdout] 569 |     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 futures_core::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:571:16
[INFO] [stdout]     |
[INFO] [stdout] 571 |     let item = block_on(rx.next()).unwrap();
[INFO] [stdout]     |                ^^^^^^^^ not found in this scope
[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[E0698]: type inside `async fn` body must be known in this context
[INFO] [stdout]    --> tests/mpsc.rs:347:14
[INFO] [stdout]     |
[INFO] [stdout] 347 |     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:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         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:347:18
[INFO] [stdout]     |
[INFO] [stdout] 347 |     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:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         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:347:14
[INFO] [stdout]     |
[INFO] [stdout] 347 |     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:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         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:347:14
[INFO] [stdout]     |
[INFO] [stdout] 347 |     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:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         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:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |     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:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         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:348:17
[INFO] [stdout]     |
[INFO] [stdout] 348 |         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:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         tx.send(i).await.unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 104 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7c4858ec37d9795a492415a07d5aefe5282ccd3429e77212fbbf584b942dd5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4858ec37d9795a492415a07d5aefe5282ccd3429e77212fbbf584b942dd5ef", kill_on_drop: false }`
[INFO] [stdout] 7c4858ec37d9795a492415a07d5aefe5282ccd3429e77212fbbf584b942dd5ef
