[INFO] crate tokio-sync 0.2.0-alpha.4 is already in cache
[INFO] checking tokio-sync-0.2.0-alpha.4 against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] extracting crate tokio-sync 0.2.0-alpha.4 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate tokio-sync 0.2.0-alpha.4 on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-sync 0.2.0-alpha.4
[INFO] finished tweaking crates.io crate tokio-sync 0.2.0-alpha.4
[INFO] tweaked toml for crates.io crate tokio-sync 0.2.0-alpha.4 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] aa56ee8c3054e7713efb7ea39f1f5863e8f60aa77a133b9ce0b2fec7d48fa09e
[INFO] running `"docker" "start" "-a" "aa56ee8c3054e7713efb7ea39f1f5863e8f60aa77a133b9ce0b2fec7d48fa09e"`
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing crate `loom`?
[INFO] [stderr]  --> tests/../src/oneshot.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::loom::sync::{atomic::AtomicUsize, Arc, CausalCell};
[INFO] [stderr]   |            ^^^^ maybe a missing crate `loom`?
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `loom`
[INFO] [stderr]  --> tests/fuzz_oneshot.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use loom;
[INFO] [stderr]   |     ^^^^ no `loom` external crate
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Arc`
[INFO] [stderr]    --> tests/../src/oneshot.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let inner = Arc::new(Inner {
[INFO] [stderr]     |                 ^^^ use of undeclared type or module `Arc`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `AtomicUsize`
[INFO] [stderr]    --> tests/../src/oneshot.rs:117:16
[INFO] [stderr]     |
[INFO] [stderr] 117 |         state: AtomicUsize::new(State::new().as_usize()),
[INFO] [stderr]     |                ^^^^^^^^^^^ use of undeclared type or module `AtomicUsize`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `CausalCell`
[INFO] [stderr]    --> tests/../src/oneshot.rs:118:16
[INFO] [stderr]     |
[INFO] [stderr] 118 |         value: CausalCell::new(None),
[INFO] [stderr]     |                ^^^^^^^^^^ use of undeclared type or module `CausalCell`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `CausalCell`
[INFO] [stderr]    --> tests/../src/oneshot.rs:119:18
[INFO] [stderr]     |
[INFO] [stderr] 119 |         tx_task: CausalCell::new(MaybeUninit::uninit()),
[INFO] [stderr]     |                  ^^^^^^^^^^ use of undeclared type or module `CausalCell`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `CausalCell`
[INFO] [stderr]    --> tests/../src/oneshot.rs:120:18
[INFO] [stderr]     |
[INFO] [stderr] 120 |         rx_task: CausalCell::new(MaybeUninit::uninit()),
[INFO] [stderr]     |                  ^^^^^^^^^^ use of undeclared type or module `CausalCell`
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `loom`
[INFO] [stderr]  --> tests/fuzz_atomic_waker.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate loom;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `tokio-sync`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `thread`
[INFO] [stderr]   --> tests/fuzz_oneshot.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         thread::spawn(move || {
[INFO] [stderr]    |         ^^^^^^ use of undeclared type or module `thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `thread`
[INFO] [stderr]   --> tests/fuzz_oneshot.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         thread::spawn(move || {
[INFO] [stderr]    |         ^^^^^^ use of undeclared type or module `thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `thread`
[INFO] [stderr]   --> tests/fuzz_oneshot.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let rx = thread::spawn(move || {
[INFO] [stderr]    |                  ^^^^^^ use of undeclared type or module `thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `thread`
[INFO] [stderr]   --> tests/fuzz_oneshot.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         thread::spawn(move || {
[INFO] [stderr]    |         ^^^^^^ use of undeclared type or module `thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `thread`
[INFO] [stderr]   --> tests/fuzz_oneshot.rs:98:18
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let tx = thread::spawn(move || {
[INFO] [stderr]    |                  ^^^^^^ use of undeclared type or module `thread`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Arc` in this scope
[INFO] [stderr]   --> tests/../src/oneshot.rs:19:19
[INFO] [stderr]    |
[INFO] [stderr] 19 |     inner: Option<Arc<Inner<T>>>,
[INFO] [stderr]    |                   ^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use std::sync::Arc;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Arc` in this scope
[INFO] [stderr]   --> tests/../src/oneshot.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |     inner: Option<Arc<Inner<T>>>,
[INFO] [stderr]    |                   ^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use std::sync::Arc;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `AtomicUsize` in this scope
[INFO] [stderr]   --> tests/../src/oneshot.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |     state: AtomicUsize,
[INFO] [stderr]    |            ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use core::sync::atomic::AtomicUsize;
[INFO] [stderr]    |
[INFO] [stderr] 3  | use futures_core::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]    |
[INFO] [stderr] 3  | use futures_util::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]    |
[INFO] [stderr] 3  | use std::sync::atomic::AtomicUsize;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `CausalCell` in this scope
[INFO] [stderr]   --> tests/../src/oneshot.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |     value: CausalCell<Option<T>>,
[INFO] [stderr]    |            ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `CausalCell` in this scope
[INFO] [stderr]   --> tests/../src/oneshot.rs:75:14
[INFO] [stderr]    |
[INFO] [stderr] 75 |     tx_task: CausalCell<MaybeUninit<Waker>>,
[INFO] [stderr]    |              ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `CausalCell` in this scope
[INFO] [stderr]   --> tests/../src/oneshot.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |     rx_task: CausalCell<MaybeUninit<Waker>>,
[INFO] [stderr]    |              ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `AtomicUsize` in this scope
[INFO] [stderr]    --> tests/../src/oneshot.rs:505:28
[INFO] [stderr]     |
[INFO] [stderr] 505 |     fn set_complete(cell: &AtomicUsize) -> State {
[INFO] [stderr]     |                            ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 3   | use core::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_core::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_util::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `AtomicUsize` in this scope
[INFO] [stderr]    --> tests/../src/oneshot.rs:517:27
[INFO] [stderr]     |
[INFO] [stderr] 517 |     fn set_rx_task(cell: &AtomicUsize) -> State {
[INFO] [stderr]     |                           ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 3   | use core::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_core::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_util::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `AtomicUsize` in this scope
[INFO] [stderr]    --> tests/../src/oneshot.rs:522:29
[INFO] [stderr]     |
[INFO] [stderr] 522 |     fn unset_rx_task(cell: &AtomicUsize) -> State {
[INFO] [stderr]     |                             ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 3   | use core::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_core::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_util::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `AtomicUsize` in this scope
[INFO] [stderr]    --> tests/../src/oneshot.rs:531:26
[INFO] [stderr]     |
[INFO] [stderr] 531 |     fn set_closed(cell: &AtomicUsize) -> State {
[INFO] [stderr]     |                          ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 3   | use core::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_core::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_util::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `AtomicUsize` in this scope
[INFO] [stderr]    --> tests/../src/oneshot.rs:538:27
[INFO] [stderr]     |
[INFO] [stderr] 538 |     fn set_tx_task(cell: &AtomicUsize) -> State {
[INFO] [stderr]     |                           ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 3   | use core::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_core::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_util::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `AtomicUsize` in this scope
[INFO] [stderr]    --> tests/../src/oneshot.rs:543:29
[INFO] [stderr]     |
[INFO] [stderr] 543 |     fn unset_tx_task(cell: &AtomicUsize) -> State {
[INFO] [stderr]     |                             ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 3   | use core::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_core::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_util::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `AtomicUsize` in this scope
[INFO] [stderr]    --> tests/../src/oneshot.rs:556:20
[INFO] [stderr]     |
[INFO] [stderr] 556 |     fn load(cell: &AtomicUsize, order: Ordering) -> State {
[INFO] [stderr]     |                    ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 3   | use core::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_core::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use futures_util::core_reexport::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::sync::atomic::AtomicUsize;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stderr]   --> tests/fuzz_oneshot.rs:23:21
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let value = block_on(rx).unwrap();
[INFO] [stderr]    |                     ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stderr]   --> tests/fuzz_oneshot.rs:38:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |             let ready = block_on(poll_fn(|cx| match Pin::new(&mut rx).poll(cx) {
[INFO] [stderr]    |                         ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stderr]   --> tests/fuzz_oneshot.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |             let value = block_on(rx).unwrap();
[INFO] [stderr]    |                         ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stderr]   --> tests/fuzz_oneshot.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let t1 = block_on(OnClose::new(&mut tx));
[INFO] [stderr]    |                      ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stderr]    --> tests/fuzz_oneshot.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             block_on(OnClose::new(&mut tx));
[INFO] [stderr]     |             ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `loom`
[INFO] [stderr]  --> tests/fuzz_semaphore.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate loom;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio_test`
[INFO] [stderr]  --> tests/atomic_waker.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tokio_test::task::MockTask;
[INFO] [stderr]   |     ^^^^^^^^^^ use of undeclared type or module `tokio_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]   --> tests/atomic_waker.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut task = MockTask::new();
[INFO] [stderr]    |                    ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]   --> tests/atomic_waker.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut task = MockTask::new();
[INFO] [stderr]    |                    ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `tokio-sync`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tokio-sync`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> tests/../src/oneshot.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Sender<T> {
[INFO] [stderr]    |                   ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error[E0392]: parameter `T` is never used
[INFO] [stderr]   --> tests/../src/oneshot.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct Receiver<T> {
[INFO] [stderr]    |                     ^ unused parameter
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing `T` or using a marker such as `std::marker::PhantomData`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 32 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0392, E0412, E0425, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0392`.
[INFO] [stderr] error: could not compile `tokio-sync`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `loom`
[INFO] [stderr]  --> tests/fuzz_list.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate loom;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `tokio-sync`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
[INFO] [stderr]    --> benches/mpsc.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use futures::sync::mpsc::*;
[INFO] [stderr]     |         ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures`
[INFO] [stderr]   --> benches/mpsc.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use futures::{future, Async, Future, Sink, Stream};
[INFO] [stderr]    |         ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures`
[INFO] [stderr]    --> benches/mpsc.rs:275:9
[INFO] [stderr]     |
[INFO] [stderr] 275 |     use futures::{future, Async, Future, Sink, Stream};
[INFO] [stderr]     |         ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `UnboundedSender`
[INFO] [stderr]    --> benches/mpsc.rs:414:17
[INFO] [stderr]     |
[INFO] [stderr] 414 |                 UnboundedSender::unbounded_send(&tx, i).expect("send");
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ use of undeclared type or module `UnboundedSender`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `UnboundedSender`
[INFO] [stderr]    --> benches/mpsc.rs:427:25
[INFO] [stderr]     |
[INFO] [stderr] 427 |                 let _ = UnboundedSender::unbounded_send(&tx, [[i; 64]; 64]);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ use of undeclared type or module `UnboundedSender`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `UnboundedSender`
[INFO] [stderr]    --> benches/mpsc.rs:440:17
[INFO] [stderr]     |
[INFO] [stderr] 440 |                 UnboundedSender::unbounded_send(&tx, i).expect("send");
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ use of undeclared type or module `UnboundedSender`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:282:38
[INFO] [stderr]     |
[INFO] [stderr] 282 |             let _ = test::black_box(&channel::<super::Medium>(1_000));
[INFO] [stderr]     |                                      ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::channel;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unbounded` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:289:38
[INFO] [stderr]     |
[INFO] [stderr] 289 |             let _ = test::black_box(&unbounded::<super::Medium>());
[INFO] [stderr]     |                                      ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:296:38
[INFO] [stderr]     |
[INFO] [stderr] 296 |             let _ = test::black_box(&channel::<super::Large>(1_000));
[INFO] [stderr]     |                                      ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::channel;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unbounded` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:303:38
[INFO] [stderr]     |
[INFO] [stderr] 303 |             let _ = test::black_box(&unbounded::<super::Large>());
[INFO] [stderr]     |                                      ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:310:36
[INFO] [stderr]     |
[INFO] [stderr] 310 |             let (mut tx, mut rx) = channel(1_000);
[INFO] [stderr]     |                                    ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::channel;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:323:36
[INFO] [stderr]     |
[INFO] [stderr] 323 |             let (mut tx, mut rx) = channel::<super::Large>(1_000);
[INFO] [stderr]     |                                    ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::channel;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:335:29
[INFO] [stderr]     |
[INFO] [stderr] 335 |         let (_tx, mut rx) = channel::<i32>(1_000);
[INFO] [stderr]     |                             ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::channel;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:349:29
[INFO] [stderr]     |
[INFO] [stderr] 349 |         let (mut tx, _rx) = channel::<i32>(0);
[INFO] [stderr]     |                             ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::channel;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:363:29
[INFO] [stderr]     |
[INFO] [stderr] 363 |         let (mut tx, _rx) = channel::<i32>(0);
[INFO] [stderr]     |                             ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::channel;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unbounded` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:378:29
[INFO] [stderr]     |
[INFO] [stderr] 378 |         let (_tx, mut rx) = unbounded::<i32>();
[INFO] [stderr]     |                             ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unbounded` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:392:29
[INFO] [stderr]     |
[INFO] [stderr] 392 |         let (_tx, mut rx) = unbounded::<i32>();
[INFO] [stderr]     |                             ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unbounded` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:411:32
[INFO] [stderr]     |
[INFO] [stderr] 411 |             let (tx, mut rx) = unbounded();
[INFO] [stderr]     |                                ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unbounded` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:424:32
[INFO] [stderr]     |
[INFO] [stderr] 424 |             let (tx, mut rx) = unbounded::<super::Large>();
[INFO] [stderr]     |                                ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unbounded` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:437:32
[INFO] [stderr]     |
[INFO] [stderr] 437 |             let (tx, mut rx) = unbounded();
[INFO] [stderr]     |                                ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:456:57
[INFO] [stderr]     |
[INFO] [stderr] 456 |             let (tx, rx) = ::std::sync::mpsc::channel::<Sender<i32>>();
[INFO] [stderr]     |                                                         ^^^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]     |
[INFO] [stderr] 456 |             let (tx, rx) = ::std::sync::mpsc::channel::<Send<i32>>();
[INFO] [stderr]     |                                                         ^^^^
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::Sender;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::Sender;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::Sender;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::Sender;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:469:28
[INFO] [stderr]     |
[INFO] [stderr] 469 |             let (tx, rx) = channel::<i32>(1_000_000);
[INFO] [stderr]     |                            ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::channel;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:500:57
[INFO] [stderr]     |
[INFO] [stderr] 500 |             let (tx, rx) = ::std::sync::mpsc::channel::<Sender<i32>>();
[INFO] [stderr]     |                                                         ^^^^^^
[INFO] [stderr] help: a trait with a similar name exists
[INFO] [stderr]     |
[INFO] [stderr] 500 |             let (tx, rx) = ::std::sync::mpsc::channel::<Send<i32>>();
[INFO] [stderr]     |                                                         ^^^^
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::Sender;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::Sender;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::Sender;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::Sender;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]    --> benches/mpsc.rs:514:28
[INFO] [stderr]     |
[INFO] [stderr] 514 |             let (tx, rx) = channel::<i32>(1);
[INFO] [stderr]     |                            ^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use std::sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::mpsc::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::oneshot::channel;
[INFO] [stderr]     |
[INFO] [stderr] 274 |     use tokio_sync::watch::channel;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio_test`
[INFO] [stderr]  --> tests/oneshot.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio_test::task::MockTask;
[INFO] [stderr]   |     ^^^^^^^^^^ use of undeclared type or module `tokio_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `tokio_test`, `tokio_test::task::MockTask`
[INFO] [stderr]  --> tests/oneshot.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio_test::task::MockTask;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 5 | use tokio_test::*;
[INFO] [stderr]   |     ^^^^^^^^^^ use of undeclared type or module `tokio_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stderr]   --> tests/oneshot.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 | #[tokio::test]
[INFO] [stderr]    |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stderr]   --> tests/oneshot.rs:71:3
[INFO] [stderr]    |
[INFO] [stderr] 71 | #[tokio::test]
[INFO] [stderr]    |   ^^^^^ use of undeclared type or module `tokio`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     assert_pending!(task.poll(&mut rx));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ok` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     assert_ok!(tx.send(1));
[INFO] [stderr]    |     ^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready_ok` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let val = assert_ready_ok!(task.poll(&mut rx));
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ok` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     assert_ok!(tx.send(1));
[INFO] [stderr]    |     ^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ok` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |     assert_eq!(1, assert_ok!(rx.await));
[INFO] [stderr]    |                   ^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     assert_pending!(task.poll(&mut rx));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready_err` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     assert_ready_err!(task.poll(&mut rx));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_err` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     assert_err!(tx.send(1));
[INFO] [stderr]    |     ^^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     assert_pending!(task.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     assert_ready!(task.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_err` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     assert_err!(tx.send(1));
[INFO] [stderr]    |     ^^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ok` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     assert_ok!(tx.send(1));
[INFO] [stderr]    |     ^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready_ok` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let value = assert_ready_ok!(task.poll(&mut rx));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]   --> tests/oneshot.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_pending!(task.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     assert_ready!(task.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_err` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     assert_err!(tx.send(1));
[INFO] [stderr]     |     ^^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready_err` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     assert_ready_err!(task.poll(&mut rx));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     assert_pending!(task.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     assert_ready!(task.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready_err` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     assert_ready_err!(task.poll(&mut rx));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ok` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     assert_ok!(tx.send(1));
[INFO] [stderr]     |     ^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ok` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:133:15
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let val = assert_ok!(rx.try_recv());
[INFO] [stderr]     |               ^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     assert_pending!(task.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     assert_ready!(task.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_err` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     assert_err!(rx.try_recv());
[INFO] [stderr]     |     ^^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_err` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     assert_err!(rx.try_recv());
[INFO] [stderr]     |     ^^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     assert_pending!(tx_task.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     assert_pending!(rx_task.poll(&mut rx));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 |     assert_pending!(task1.poll(&mut rx));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     assert_pending!(task2.poll(&mut rx));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ok` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 |     assert_ok!(tx.send(1));
[INFO] [stderr]     |     ^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready_ok` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 |     assert_ready_ok!(task2.poll(&mut rx));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     assert_pending!(task1.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_pending` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:217:5
[INFO] [stderr]     |
[INFO] [stderr] 217 |     assert_pending!(task2.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `assert_ready` in this scope
[INFO] [stderr]    --> tests/oneshot.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     assert_ready!(task2.enter(|cx| tx.poll_closed(cx)));
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]   --> tests/oneshot.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut task = MockTask::new();
[INFO] [stderr]    |                    ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]   --> tests/oneshot.rs:37:20
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut task = MockTask::new();
[INFO] [stderr]    |                    ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]   --> tests/oneshot.rs:58:20
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut task = MockTask::new();
[INFO] [stderr]    |                    ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stderr]   --> tests/oneshot.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     tokio::spawn(async move {
[INFO] [stderr]    |     ^^^^^ use of undeclared type or module `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]   --> tests/oneshot.rs:86:20
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let mut task = MockTask::new();
[INFO] [stderr]    |                    ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]    --> tests/oneshot.rs:111:20
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut task = MockTask::new();
[INFO] [stderr]     |                    ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]    --> tests/oneshot.rs:138:20
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let mut task = MockTask::new();
[INFO] [stderr]     |                    ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]    --> tests/oneshot.rs:155:20
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let mut task = MockTask::new();
[INFO] [stderr]     |                    ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]    --> tests/oneshot.rs:167:23
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let mut tx_task = MockTask::new();
[INFO] [stderr]     |                       ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]    --> tests/oneshot.rs:168:23
[INFO] [stderr]     |
[INFO] [stderr] 168 |     let mut rx_task = MockTask::new();
[INFO] [stderr]     |                       ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]    --> tests/oneshot.rs:184:21
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let mut task1 = MockTask::new();
[INFO] [stderr]     |                     ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]    --> tests/oneshot.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let mut task2 = MockTask::new();
[INFO] [stderr]     |                     ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]    --> tests/oneshot.rs:209:21
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let mut task1 = MockTask::new();
[INFO] [stderr]     |                     ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `MockTask`
[INFO] [stderr]    --> tests/oneshot.rs:210:21
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let mut task2 = MockTask::new();
[INFO] [stderr]     |                     ^^^^^^^^ use of undeclared type or module `MockTask`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::bounded::Receiver<{integer}>` in the current scope
[INFO] [stderr]   --> benches/mpsc.rs:51:50
[INFO] [stderr]    |
[INFO] [stderr] 51 |             assert_eq!(Async::Ready(Some(1)), rx.poll().unwrap());
[INFO] [stderr]    |                                                  ^^^^ method not found in `tokio_sync::mpsc::bounded::Receiver<{integer}>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::bounded::Receiver<[[usize; 64]; 64]>` in the current scope
[INFO] [stderr]   --> benches/mpsc.rs:64:41
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let _ = test::black_box(&rx.poll());
[INFO] [stderr]    |                                         ^^^^ method not found in `tokio_sync::mpsc::bounded::Receiver<[[usize; 64]; 64]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::bounded::Receiver<i32>` in the current scope
[INFO] [stderr]   --> benches/mpsc.rs:73:28
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 assert!(rx.poll().unwrap().is_not_ready());
[INFO] [stderr]    |                            ^^^^ method not found in `tokio_sync::mpsc::bounded::Receiver<i32>`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 0 parameters were supplied
[INFO] [stderr]   --> benches/mpsc.rs:87:28
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 assert!(tx.poll_ready().unwrap().is_ready());
[INFO] [stderr]    |                            ^^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `unwrap` found for type `core::task::poll::Poll<std::result::Result<(), tokio_sync::mpsc::bounded::SendError>>` in the current scope
[INFO] [stderr]   --> benches/mpsc.rs:87:41
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 assert!(tx.poll_ready().unwrap().is_ready());
[INFO] [stderr]    |                                         ^^^^^^ method not found in `core::task::poll::Poll<std::result::Result<(), tokio_sync::mpsc::bounded::SendError>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 0 parameters were supplied
[INFO] [stderr]    --> benches/mpsc.rs:102:28
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 assert!(tx.poll_ready().unwrap().is_not_ready());
[INFO] [stderr]     |                            ^^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `unwrap` found for type `core::task::poll::Poll<std::result::Result<(), tokio_sync::mpsc::bounded::SendError>>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:102:41
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 assert!(tx.poll_ready().unwrap().is_not_ready());
[INFO] [stderr]     |                                         ^^^^^^ method not found in `core::task::poll::Poll<std::result::Result<(), tokio_sync::mpsc::bounded::SendError>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:116:28
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 assert!(rx.poll().unwrap().is_not_ready());
[INFO] [stderr]     |                            ^^^^ method not found in `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:130:28
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 assert!(rx.poll().unwrap().is_not_ready());
[INFO] [stderr]     |                            ^^^^ method not found in `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:131:28
[INFO] [stderr]     |
[INFO] [stderr] 131 |                 assert!(rx.poll().unwrap().is_not_ready());
[INFO] [stderr]     |                            ^^^^ method not found in `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 assert!(rx.poll().unwrap().is_not_ready());
[INFO] [stderr]     |                            ^^^^ method not found in `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:133:28
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 assert!(rx.poll().unwrap().is_not_ready());
[INFO] [stderr]     |                            ^^^^ method not found in `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:134:28
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 assert!(rx.poll().unwrap().is_not_ready());
[INFO] [stderr]     |                            ^^^^ method not found in `tokio_sync::mpsc::unbounded::UnboundedReceiver<i32>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::bounded::Receiver<{integer}>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:151:54
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 assert_eq!(Async::Ready(Some(i)), rx.poll().unwrap());
[INFO] [stderr]     |                                                      ^^^^ method not found in `tokio_sync::mpsc::bounded::Receiver<{integer}>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::bounded::Receiver<[[usize; 64]; 64]>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:164:45
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 let _ = test::black_box(&rx.poll());
[INFO] [stderr]     |                                             ^^^^ method not found in `tokio_sync::mpsc::bounded::Receiver<[[usize; 64]; 64]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll` found for type `tokio_sync::mpsc::bounded::Receiver<{integer}>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:180:54
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 assert_eq!(Async::Ready(Some(i)), rx.poll().unwrap());
[INFO] [stderr]     |                                                      ^^^^ method not found in `tokio_sync::mpsc::bounded::Receiver<{integer}>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `wait` found for type `tokio_sync::mpsc::bounded::Receiver<i32>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:213:25
[INFO] [stderr]     |
[INFO] [stderr] 213 |             let rx = rx.wait().take(4 * 1_000);
[INFO] [stderr]     |                         ^^^^ method not found in `tokio_sync::mpsc::bounded::Receiver<i32>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 53 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error[E0599]: no method named `wait` found for type `tokio_sync::mpsc::bounded::Sender<i32>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:241:37
[INFO] [stderr]     |
[INFO] [stderr] 241 |                     let mut tx = tx.wait();
[INFO] [stderr]     |                                     ^^^^ method not found in `tokio_sync::mpsc::bounded::Sender<i32>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `wait` found for type `tokio_sync::mpsc::bounded::Receiver<i32>` in the current scope
[INFO] [stderr]    --> benches/mpsc.rs:258:25
[INFO] [stderr]     |
[INFO] [stderr] 258 |             let rx = rx.wait().take(THREADS * ITERS);
[INFO] [stderr]     |                         ^^^^ method not found in `tokio_sync::mpsc::bounded::Receiver<i32>`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tokio-sync`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 43 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0412, E0425, E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `tokio-sync`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "aa56ee8c3054e7713efb7ea39f1f5863e8f60aa77a133b9ce0b2fec7d48fa09e"`
[INFO] running `"docker" "rm" "-f" "aa56ee8c3054e7713efb7ea39f1f5863e8f60aa77a133b9ce0b2fec7d48fa09e"`
[INFO] [stdout] aa56ee8c3054e7713efb7ea39f1f5863e8f60aa77a133b9ce0b2fec7d48fa09e