[INFO] crate futures-executor-preview 0.3.0-alpha.17 is already in cache
[INFO] extracting crate futures-executor-preview 0.3.0-alpha.17 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/futures-executor-preview/0.3.0-alpha.17
[INFO] extracting crate futures-executor-preview 0.3.0-alpha.17 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/futures-executor-preview/0.3.0-alpha.17
[INFO] validating manifest of futures-executor-preview-0.3.0-alpha.17 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of futures-executor-preview-0.3.0-alpha.17 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing futures-executor-preview-0.3.0-alpha.17
[INFO] finished frobbing futures-executor-preview-0.3.0-alpha.17
[INFO] frobbed toml for futures-executor-preview-0.3.0-alpha.17 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/futures-executor-preview/0.3.0-alpha.17/Cargo.toml
[INFO] started frobbing futures-executor-preview-0.3.0-alpha.17
[INFO] finished frobbing futures-executor-preview-0.3.0-alpha.17
[INFO] frobbed toml for futures-executor-preview-0.3.0-alpha.17 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/futures-executor-preview/0.3.0-alpha.17/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking futures-executor-preview-0.3.0-alpha.17 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/futures-executor-preview/0.3.0-alpha.17:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4c20bb4e32171460fa6f541b895feef37898ad59299e6d935806b97234fc893b
[INFO] running `"docker" "start" "-a" "4c20bb4e32171460fa6f541b895feef37898ad59299e6d935806b97234fc893b"`
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
[INFO] [stderr]  --> tests/local_pool.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use futures::channel::oneshot;
[INFO] [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
[INFO] [stderr]  --> tests/local_pool.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::executor::LocalPool;
[INFO] [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
[INFO] [stderr]  --> tests/local_pool.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::future::{Future, lazy, poll_fn};
[INFO] [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
[INFO] [stderr]  --> tests/local_pool.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::task::{Context, Poll, Spawn, LocalSpawn, Waker};
[INFO] [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
[INFO] [stderr]  --> benches/thread_notify.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::executor::block_on;
[INFO] [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
[INFO] [stderr]  --> benches/thread_notify.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures::future::Future;
[INFO] [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
[INFO] [stderr]  --> benches/thread_notify.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use futures::task::{Context, Poll, Waker};
[INFO] [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]   --> benches/thread_notify.rs:24:17
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 Poll::Ready(())
[INFO] [stderr]    |                 ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]   --> benches/thread_notify.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 Poll::Pending
[INFO] [stderr]    |                 ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]   --> tests/local_pool.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Poll::Pending
[INFO] [stderr]    |         ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]   --> tests/local_pool.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut pool = LocalPool::new();
[INFO] [stderr]    |                        ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]   --> benches/thread_notify.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 Poll::Ready(())
[INFO] [stderr]    |                 ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]   --> benches/thread_notify.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 Poll::Pending
[INFO] [stderr]    |                 ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]   --> tests/local_pool.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut pool = LocalPool::new();
[INFO] [stderr]    |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `oneshot`
[INFO] [stderr]   --> tests/local_pool.rs:49:20
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let (tx, rx) = oneshot::channel();
[INFO] [stderr]    |                    ^^^^^^^ use of undeclared type or module `oneshot`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]   --> tests/local_pool.rs:50:20
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut pool = LocalPool::new();
[INFO] [stderr]    |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]   --> tests/local_pool.rs:61:20
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut pool = LocalPool::new();
[INFO] [stderr]    |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]   --> tests/local_pool.rs:71:20
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut pool = LocalPool::new();
[INFO] [stderr]    |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]   --> benches/thread_notify.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 Poll::Ready(())
[INFO] [stderr]    |                 ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]   --> benches/thread_notify.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 Poll::Pending
[INFO] [stderr]    |                 ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 |     impl Future for Yield {
[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] 4  | use core::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::Future;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:22:52
[INFO] [stderr]    |
[INFO] [stderr] 22 |         fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[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] 4  | use core::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_util::core_reexport::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Poll` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:22:68
[INFO] [stderr]    |
[INFO] [stderr] 22 |         fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[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] 4  | use core::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] and 3 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         block_on(y);
[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] 4  | use futures_executor::block_on;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 |     impl Future for Yield {
[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] 4  | use core::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::Future;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:50:52
[INFO] [stderr]    |
[INFO] [stderr] 50 |         fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[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] 4  | use core::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_util::core_reexport::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Poll` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:50:68
[INFO] [stderr]    |
[INFO] [stderr] 50 |         fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[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] 4  | use core::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] and 3 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |             block_on(y);
[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] 4  | use futures_executor::block_on;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Waker` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:76:41
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let (tx, rx) = mpsc::sync_channel::<Waker>(10_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] 4  | use core::task::Waker;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::task::Waker;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::task::Waker;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_util::core_reexport::task::Waker;
[INFO] [stderr]    |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Waker` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:80:30
[INFO] [stderr]    |
[INFO] [stderr] 80 |         tx: mpsc::SyncSender<Waker>,
[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] 4  | use core::task::Waker;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::task::Waker;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::task::Waker;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_util::core_reexport::task::Waker;
[INFO] [stderr]    |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:84:10
[INFO] [stderr]    |
[INFO] [stderr] 84 |     impl Future for Yield {
[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] 4  | use core::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::Future;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:87:52
[INFO] [stderr]    |
[INFO] [stderr] 87 |         fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[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] 4  | use core::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_util::core_reexport::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Poll` in this scope
[INFO] [stderr]   --> benches/thread_notify.rs:87:68
[INFO] [stderr]    |
[INFO] [stderr] 87 |         fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[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] 4  | use core::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::core_reexport::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 4  | use futures_core::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] and 3 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `block_on` in this scope
[INFO] [stderr]    --> benches/thread_notify.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |         block_on(y);
[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] 4   | use futures_executor::block_on;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::executor::block_on`
[INFO] [stderr]  --> benches/thread_notify.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::executor::block_on;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::future::Future`
[INFO] [stderr]  --> benches/thread_notify.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures::future::Future;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Context`, `Poll`, `Waker`
[INFO] [stderr]  --> benches/thread_notify.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | use futures::task::{Context, Poll, Waker};
[INFO] [stderr]   |                     ^^^^^^^  ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 23 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0412, E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: Could not compile `futures-executor-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]   --> tests/local_pool.rs:95:20
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let mut pool = LocalPool::new();
[INFO] [stderr]    |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:113:20
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut pool = LocalPool::new();
[INFO] [stderr]     |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:123:20
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut pool = LocalPool::new();
[INFO] [stderr]     |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:152:20
[INFO] [stderr]     |
[INFO] [stderr] 152 |     let mut pool = LocalPool::new();
[INFO] [stderr]     |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]    --> tests/local_pool.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 Poll::Ready(())
[INFO] [stderr]     |                 ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]    --> tests/local_pool.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 Poll::Pending
[INFO] [stderr]     |                 ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:184:20
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let mut pool = LocalPool::new();
[INFO] [stderr]     |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:191:20
[INFO] [stderr]     |
[INFO] [stderr] 191 |     let mut pool = LocalPool::new();
[INFO] [stderr]     |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:213:20
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let mut pool = LocalPool::new();
[INFO] [stderr]     |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:238:20
[INFO] [stderr]     |
[INFO] [stderr] 238 |     let mut pool = LocalPool::new();
[INFO] [stderr]     |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:242:24
[INFO] [stderr]     |
[INFO] [stderr] 242 |         let mut pool = LocalPool::new();
[INFO] [stderr]     |                        ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:252:20
[INFO] [stderr]     |
[INFO] [stderr] 252 |     let mut pool = LocalPool::new();
[INFO] [stderr]     |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:256:24
[INFO] [stderr]     |
[INFO] [stderr] 256 |         let mut pool = LocalPool::new();
[INFO] [stderr]     |                        ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]    --> tests/local_pool.rs:284:28
[INFO] [stderr]     |
[INFO] [stderr] 284 |                     return Poll::Ready(());
[INFO] [stderr]     |                            ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]    --> tests/local_pool.rs:291:24
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 return Poll::Ready(());
[INFO] [stderr]     |                        ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Poll`
[INFO] [stderr]    --> tests/local_pool.rs:295:13
[INFO] [stderr]     |
[INFO] [stderr] 295 |             Poll::Pending
[INFO] [stderr]     |             ^^^^ use of undeclared type or module `Poll`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `LocalPool`
[INFO] [stderr]    --> tests/local_pool.rs:299:20
[INFO] [stderr]     |
[INFO] [stderr] 299 |     let mut pool = LocalPool::new();
[INFO] [stderr]     |                    ^^^^^^^^^ use of undeclared type or module `LocalPool`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stderr]   --> tests/local_pool.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Future for Pending {
[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] 1  | use core::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use futures_core::Future;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use futures_core::core_reexport::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use futures_core::future::Future;
[INFO] [stderr]    |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]   --> tests/local_pool.rs:14:45
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<()> {
[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] 1  | use core::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use futures_core::core_reexport::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use futures_core::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use futures_util::core_reexport::task::Context;
[INFO] [stderr]    |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Poll` in this scope
[INFO] [stderr]   --> tests/local_pool.rs:14:61
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<()> {
[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] 1  | use core::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use futures_core::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use futures_core::core_reexport::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] 1  | use futures_core::task::Poll;
[INFO] [stderr]    |
[INFO] [stderr] and 3 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]   --> tests/local_pool.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let fut = lazy(|_| {
[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] 1  | use futures_util::future::lazy;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]   --> tests/local_pool.rs:44:31
[INFO] [stderr]    |
[INFO] [stderr] 44 |     assert_eq!(pool.run_until(lazy(|_| ())), ());
[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] 1  | use futures_util::future::lazy;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]   --> tests/local_pool.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 |     spawn.spawn_local_obj(Box::pin(lazy(move |_| {
[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] 1  | use futures_util::future::lazy;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]   --> tests/local_pool.rs:75:36
[INFO] [stderr]    |
[INFO] [stderr] 75 |     spawn.spawn_local_obj(Box::pin(lazy(move |_| {
[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] 1  | use futures_util::future::lazy;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]   --> tests/local_pool.rs:76:41
[INFO] [stderr]    |
[INFO] [stderr] 76 |         spawn2.spawn_local_obj(Box::pin(lazy(move |_| {
[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] 1  | use futures_util::future::lazy;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:100:40
[INFO] [stderr]     |
[INFO] [stderr] 100 |         spawn.spawn_local_obj(Box::pin(lazy(move |_| {
[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] 1   | use futures_util::future::lazy;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:130:40
[INFO] [stderr]     |
[INFO] [stderr] 130 |         spawn.spawn_local_obj(Box::pin(lazy(move |_| {
[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] 1   | use futures_util::future::lazy;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Waker` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:155:31
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let waker: Rc<Cell<Option<Waker>>> = Rc::new(Cell::new(None));
[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] 1   | use core::task::Waker;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_core::core_reexport::task::Waker;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_core::task::Waker;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_util::core_reexport::task::Waker;
[INFO] [stderr]     |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `poll_fn` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:159:40
[INFO] [stderr]     |
[INFO] [stderr] 159 |         spawn.spawn_local_obj(Box::pin(poll_fn(move |ctx| {
[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] 1   | use futures_util::future::poll_fn;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_util::stream::poll_fn;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:196:36
[INFO] [stderr]     |
[INFO] [stderr] 196 |     spawn.spawn_local_obj(Box::pin(lazy(move |_|{ cnt1.set(cnt1.get() + 1) })).into()).unwrap();
[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] 1   | use futures_util::future::lazy;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:201:36
[INFO] [stderr]     |
[INFO] [stderr] 201 |     spawn.spawn_local_obj(Box::pin(lazy(move |_|{ cnt2.set(cnt2.get() + 1) })).into()).unwrap();
[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] 1   | use futures_util::future::lazy;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:221:44
[INFO] [stderr]     |
[INFO] [stderr] 221 |             spawn.spawn_local_obj(Box::pin(lazy(move |_| {
[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] 1   | use futures_util::future::lazy;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:241:30
[INFO] [stderr]     |
[INFO] [stderr] 241 |     spawn.spawn_obj(Box::pin(lazy(|_| {
[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] 1   | use futures_util::future::lazy;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `lazy` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:255:30
[INFO] [stderr]     |
[INFO] [stderr] 255 |     spawn.spawn_obj(Box::pin(lazy(|_| {
[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] 1   | use futures_util::future::lazy;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:272:10
[INFO] [stderr]     |
[INFO] [stderr] 272 |     impl Future for Spin {
[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] 1   | use core::future::Future;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_core::Future;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_core::core_reexport::future::Future;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_core::future::Future;
[INFO] [stderr]     |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Context` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:275:48
[INFO] [stderr]     |
[INFO] [stderr] 275 |         fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<()> {
[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] 1   | use core::task::Context;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_core::core_reexport::task::Context;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_core::task::Context;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_util::core_reexport::task::Context;
[INFO] [stderr]     |
[INFO] [stderr] and 2 other candidates
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Poll` in this scope
[INFO] [stderr]    --> tests/local_pool.rs:275:64
[INFO] [stderr]     |
[INFO] [stderr] 275 |         fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<()> {
[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] 1   | use core::task::Poll;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_core::Poll;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_core::core_reexport::task::Poll;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use futures_core::task::Poll;
[INFO] [stderr]     |
[INFO] [stderr] and 3 other candidates
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::channel::oneshot`
[INFO] [stderr]  --> tests/local_pool.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use futures::channel::oneshot;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::executor::LocalPool`
[INFO] [stderr]  --> tests/local_pool.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::executor::LocalPool;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Future`, `lazy`, `poll_fn`
[INFO] [stderr]  --> tests/local_pool.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::future::{Future, lazy, poll_fn};
[INFO] [stderr]   |                       ^^^^^^  ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Context`, `LocalSpawn`, `Poll`, `Spawn`, `Waker`
[INFO] [stderr]  --> tests/local_pool.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::task::{Context, Poll, Spawn, LocalSpawn, Waker};
[INFO] [stderr]   |                     ^^^^^^^  ^^^^  ^^^^^  ^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 48 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0412, E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: Could not compile `futures-executor-preview`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4c20bb4e32171460fa6f541b895feef37898ad59299e6d935806b97234fc893b"`
[INFO] running `"docker" "rm" "-f" "4c20bb4e32171460fa6f541b895feef37898ad59299e6d935806b97234fc893b"`
[INFO] [stdout] 4c20bb4e32171460fa6f541b895feef37898ad59299e6d935806b97234fc893b