[INFO] fetching crate futures 0.3.6...
[INFO] testing futures-0.3.6 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate futures 0.3.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate futures 0.3.6 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures 0.3.6
[INFO] finished tweaking crates.io crate futures 0.3.6
[INFO] tweaked toml for crates.io crate futures 0.3.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5506958318598f3c7d716d8faac6147a6459506e261cc2b0353811cf89bb243
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e5506958318598f3c7d716d8faac6147a6459506e261cc2b0353811cf89bb243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5506958318598f3c7d716d8faac6147a6459506e261cc2b0353811cf89bb243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5506958318598f3c7d716d8faac6147a6459506e261cc2b0353811cf89bb243", kill_on_drop: false }`
[INFO] [stdout] e5506958318598f3c7d716d8faac6147a6459506e261cc2b0353811cf89bb243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 329f508a74361d4c145ed7024d7ce8be3b96e312a6cc3ba071a29ccae4cca596
[INFO] running `Command { std: "docker" "start" "-a" "329f508a74361d4c145ed7024d7ce8be3b96e312a6cc3ba071a29ccae4cca596", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "329f508a74361d4c145ed7024d7ce8be3b96e312a6cc3ba071a29ccae4cca596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "329f508a74361d4c145ed7024d7ce8be3b96e312a6cc3ba071a29ccae4cca596", kill_on_drop: false }`
[INFO] [stdout] 329f508a74361d4c145ed7024d7ce8be3b96e312a6cc3ba071a29ccae4cca596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8994bdad7902f1654e682fc1d7ea6b41824ad614c45fd91db03850b28917c70f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8994bdad7902f1654e682fc1d7ea6b41824ad614c45fd91db03850b28917c70f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `assert_matches`
[INFO] [stdout]  --> tests/io_cursor.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use assert_matches::assert_matches;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ use of undeclared crate or module `assert_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     use assert_matches::assert_matches;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ use of undeclared crate or module `assert_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[1, 2]), Poll::Ready(Ok(2)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[3, 4]), Poll::Ready(Ok(2)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[5, 6]), Poll::Ready(Ok(2)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[6, 7]), Poll::Ready(Ok(2)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[1, 2]), Poll::Ready(Ok(2)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[3, 4]), Poll::Ready(Ok(2)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[5, 6]), Poll::Ready(Ok(1)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[6, 7]), Poll::Ready(Ok(0)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWrite`
[INFO] [stdout]  --> tests/io_cursor.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use futures::io::{AsyncWrite, Cursor};
[INFO] [stdout]   |                       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::task::Poll`
[INFO] [stdout]  --> tests/io_cursor.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use futures::task::Poll;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> tests/io_cursor.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use std::pin::Pin;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWrite`
[INFO] [stdout]   --> tests/io_cursor.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use futures::io::{AsyncWrite, Cursor};
[INFO] [stdout]    |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::task::Poll`
[INFO] [stdout]   --> tests/io_cursor.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     use futures::task::Poll;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> tests/io_cursor.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use std::pin::Pin;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/io_buf_writer.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         use futures_test::task::noop_context;
[INFO] [stdout]    |             ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/io_read.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use futures_test::task::panic_context;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/io_read.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use futures_test::task::panic_context;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/io_read_to_string.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use futures_test::io::AsyncReadTestExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/io_read_to_string.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         use futures_test::task::noop_context;
[INFO] [stdout]    |             ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `pin_project`
[INFO] [stdout]  --> tests/split.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use pin_project::pin_project;
[INFO] [stdout]   |         ^^^^^^^^^^^ use of undeclared crate or module `pin_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `pin_project`
[INFO] [stdout]   --> tests/split.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[pin_project]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `pin` in this scope
[INFO] [stdout]   --> tests/split.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |         #[pin]
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `pin` in this scope
[INFO] [stdout]   --> tests/split.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |         #[pin]
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/oneshot.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use futures_test::future::FutureTestExt;
[INFO] [stdout]   |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/oneshot.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use futures_test::future::FutureTestExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/oneshot.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     use futures_test::future::FutureTestExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/oneshot.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use futures_test::future::FutureTestExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/oneshot.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use futures_test::future::FutureTestExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/io_read_to_string.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut cx = noop_context();
[INFO] [stdout]    |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/io_buf_writer.rs:51:22
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut cx = noop_context();
[INFO] [stdout]    |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/mutex.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use futures_test::task::panic_context;
[INFO] [stdout]   |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/mutex.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     use futures_test::task::{new_count_waker, panic_context};
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/mutex.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     use futures_test::future::FutureTestExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> tests/compat.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::timer::Delay;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> tests/compat.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::runtime::Runtime;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures::compat`
[INFO] [stdout]  --> tests/compat.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::compat::Future01CompatExt;
[INFO] [stdout]   |              ^^^^^^ could not find `compat` in `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]   --> tests/io_read.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let cx = &mut panic_context();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]   --> tests/io_read.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let cx = &mut panic_context();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `ThreadPool` in `executor`
[INFO] [stdout]   --> tests/mutex.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let pool = futures::executor::ThreadPool::builder()
[INFO] [stdout]    |                                   ^^^^^^^^^^ could not find `ThreadPool` in `executor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]  --> tests/mutex.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 |         assert!(mutex.lock().poll_unpin(&mut panic_context()).is_ready());
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_count_waker` in this scope
[INFO] [stdout]   --> tests/mutex.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let (waker, counter) = new_count_waker();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]   --> tests/mutex.rs:22:45
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let lock = mutex.lock().poll_unpin(&mut panic_context());
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]   --> tests/mutex.rs:33:36
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert!(waiter.poll_unpin(&mut panic_context()).is_ready());
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/futures_unordered.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use futures_test::task::noop_context;
[INFO] [stdout]   |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]   --> tests/futures_unordered.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     use futures_test::task::noop_context;
[INFO] [stdout]    |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]    --> tests/futures_unordered.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use futures_test::task::noop_context;
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]    --> tests/futures_unordered.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |     use futures_test::task::noop_context;
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]    --> tests/futures_unordered.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 272 |     use futures_test::future::FutureTestExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_test`
[INFO] [stdout]    --> tests/futures_unordered.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |     use futures_test::{assert_stream_done, assert_stream_next};
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]    --> tests/futures_unordered.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 279 |     assert_stream_next!(stream, ());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]    --> tests/futures_unordered.rs:280:5
[INFO] [stdout]     |
[INFO] [stdout] 280 |     assert_stream_next!(stream, ());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]    --> tests/futures_unordered.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 |     assert_stream_next!(stream, ());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_done`
[INFO] [stdout]    --> tests/futures_unordered.rs:282:5
[INFO] [stdout]     |
[INFO] [stdout] 282 |     assert_stream_done!(stream);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Delay`
[INFO] [stdout]   --> tests/compat.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Delay::new(Instant::now()).compat().await
[INFO] [stdout]    |         ^^^^^ use of undeclared type `Delay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Runtime`
[INFO] [stdout]   --> tests/compat.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut runtime = Runtime::new().unwrap();
[INFO] [stdout]    |                       ^^^^^^^ use of undeclared type `Runtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]  --> tests/futures_unordered.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut cx = noop_context();
[INFO] [stdout]   |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/futures_unordered.rs:81:18
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/futures_unordered.rs:124:19
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let cx = &mut noop_context();
[INFO] [stdout]     |                   ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/futures_unordered.rs:299:18
[INFO] [stdout]     |
[INFO] [stdout] 299 |     let mut cx = noop_context();
[INFO] [stdout]     |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `project` found for struct `Pin<&mut test_split::Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |             self.project().stream.poll_next(cx)
[INFO] [stdout]    |                  ^^^^^^^ method not found in `Pin<&mut test_split::Join<T, U>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `project` found for struct `Pin<&mut test_split::Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |             self.project().sink.poll_ready(cx)
[INFO] [stdout]    |                  ^^^^^^^ method not found in `Pin<&mut test_split::Join<T, U>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `project` found for struct `Pin<&mut test_split::Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |             self.project().sink.start_send(item)
[INFO] [stdout]    |                  ^^^^^^^ method not found in `Pin<&mut test_split::Join<T, U>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `project` found for struct `Pin<&mut test_split::Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |             self.project().sink.poll_flush(cx)
[INFO] [stdout]    |                  ^^^^^^^ method not found in `Pin<&mut test_split::Join<T, U>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `project` found for struct `Pin<&mut test_split::Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:57:18
[INFO] [stdout]    |
[INFO] [stdout] 57 |             self.project().sink.poll_close(cx)
[INFO] [stdout]    |                  ^^^^^^^ method not found in `Pin<&mut test_split::Join<T, U>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36]>` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     rx1.map_ok(move |x| tx2.send(x)).run_in_background();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^ method not found in `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:30:16: 30:45]>` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:30:47
[INFO] [stdout]    |
[INFO] [stdout] 30 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:30:16: 30:45]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:45:16: 45:45]>` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:45:47
[INFO] [stdout]    |
[INFO] [stdout] 45 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:45:16: 45:45]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:61:13: 61:52]>` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:61:54
[INFO] [stdout]    |
[INFO] [stdout] 61 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:61:13: 61:52]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:78:13: 78:52]>` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:78:54
[INFO] [stdout]    |
[INFO] [stdout] 78 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:78:13: 78:52]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope
[INFO] [stdout]   --> tests/io_read_to_string.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |         .interleave_pending();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `compat` found for struct `Pin<Box<dyn futures::Future<Output = _> + std::marker::Send>>` in the current scope
[INFO] [stdout]   --> tests/compat.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     runtime.block_on(f.boxed().compat()).unwrap();
[INFO] [stdout]    |                                ^^^^^^ method not found in `Pin<Box<dyn futures::Future<Output = _> + std::marker::Send>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::io::AsyncReadExt`
[INFO] [stdout]   --> tests/io_read_to_string.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     use futures::io::AsyncReadExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready<()>` in the current scope
[INFO] [stdout]   --> tests/mutex.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |             ready(()).pending_once().await;
[INFO] [stdout]    |                       ^^^^^^^^^^^^ method not found in `futures::future::Ready<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                 ^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             ready(()).pending_once().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |         for _ in 0..num_tasks {
[INFO] [stdout]    |                  ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             rx.next().await.unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |         for _ in 0..num_tasks {
[INFO] [stdout]    |                     ^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             rx.next().await.unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |         for _ in 0..num_tasks {
[INFO] [stdout]    |                  ^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             rx.next().await.unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |         for _ in 0..num_tasks {
[INFO] [stdout]    |                  ^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             rx.next().await.unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::task::SpawnExt`
[INFO] [stdout]   --> tests/mutex.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use futures::task::SpawnExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 20 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599, E0698.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready<()>` in the current scope
[INFO] [stdout]    --> tests/futures_unordered.rs:277:33
[INFO] [stdout]     |
[INFO] [stdout] 277 |     let fut = future::ready(()).pending_once().assert_unmoved();
[INFO] [stdout]     |                                 ^^^^^^^^^^^^ method not found in `futures::future::Ready<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8994bdad7902f1654e682fc1d7ea6b41824ad614c45fd91db03850b28917c70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8994bdad7902f1654e682fc1d7ea6b41824ad614c45fd91db03850b28917c70f", kill_on_drop: false }`
[INFO] [stdout] 8994bdad7902f1654e682fc1d7ea6b41824ad614c45fd91db03850b28917c70f
