[INFO] crate futures-preview 0.3.0-alpha.19 is already in cache [INFO] checking futures-preview-0.3.0-alpha.19 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69741 [INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c [INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate futures-preview 0.3.0-alpha.19 [INFO] finished tweaking crates.io crate futures-preview 0.3.0-alpha.19 [INFO] tweaked toml for crates.io crate futures-preview 0.3.0-alpha.19 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4e400272f53e1282573109e65f25cd4476f059b2a219d8ba88c526ea16eb08e3 [INFO] running `"docker" "start" "-a" "4e400272f53e1282573109e65f25cd4476f059b2a219d8ba88c526ea16eb08e3"` [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir) [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/io_read_to_string.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use futures_test::io::AsyncReadTestExt; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/io_read_to_string.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use futures_test::task::noop_context; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_read_to_string.rs:28:18 [INFO] [stderr] | [INFO] [stderr] 28 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `interleave_pending` found for struct `futures_util::try_stream::into_async_read::IntoAsyncRead>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope [INFO] [stderr] --> tests/io_read_to_string.rs:41:10 [INFO] [stderr] | [INFO] [stderr] 41 | .interleave_pending(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_stream::into_async_read::IntoAsyncRead>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `futures-preview`. [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] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/mutex.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use futures_test::future::FutureTestExt; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/mutex.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use futures_test::task::{panic_context, new_count_waker}; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `panic_context` in this scope [INFO] [stderr] --> tests/mutex.rs:14:46 [INFO] [stderr] | [INFO] [stderr] 14 | assert!(mutex.lock().poll_unpin(&mut panic_context()).is_ready()); [INFO] [stderr] | ^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `new_count_waker` in this scope [INFO] [stderr] --> tests/mutex.rs:21:28 [INFO] [stderr] | [INFO] [stderr] 21 | let (waker, counter) = new_count_waker(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `panic_context` in this scope [INFO] [stderr] --> tests/mutex.rs:22:45 [INFO] [stderr] | [INFO] [stderr] 22 | let lock = mutex.lock().poll_unpin(&mut panic_context()); [INFO] [stderr] | ^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `panic_context` in this scope [INFO] [stderr] --> tests/mutex.rs:33:36 [INFO] [stderr] | [INFO] [stderr] 33 | assert!(waiter.poll_unpin(&mut panic_context()).is_ready()); [INFO] [stderr] | ^^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `pending_once` found for struct `futures_util::future::ready::Ready<()>` in the current scope [INFO] [stderr] --> tests/mutex.rs:53:23 [INFO] [stderr] | [INFO] [stderr] 53 | ready(()).pending_once().await; [INFO] [stderr] | ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<()>` [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/mutex.rs:52:28 [INFO] [stderr] | [INFO] [stderr] 52 | let mut lock = mutex.lock().await; [INFO] [stderr] | ^^^^^ cannot infer type for type `{integer}` [INFO] [stderr] | [INFO] [stderr] note: the type is part of the `async` block because of this `await` [INFO] [stderr] --> tests/mutex.rs:52:28 [INFO] [stderr] | [INFO] [stderr] 52 | let mut lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/mutex.rs:52:28 [INFO] [stderr] | [INFO] [stderr] 52 | let mut lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr] | [INFO] [stderr] note: the type is part of the `async` block because of this `await` [INFO] [stderr] --> tests/mutex.rs:52:28 [INFO] [stderr] | [INFO] [stderr] 52 | let mut lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/mutex.rs:52:28 [INFO] [stderr] | [INFO] [stderr] 52 | let mut lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr] | [INFO] [stderr] note: the type is part of the `async` block because of this `await` [INFO] [stderr] --> tests/mutex.rs:52:28 [INFO] [stderr] | [INFO] [stderr] 52 | let mut lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/mutex.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | let mut lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr] | [INFO] [stderr] note: the type is part of the `async` block because of this `await` [INFO] [stderr] --> tests/mutex.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | ready(()).pending_once().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/mutex.rs:61:18 [INFO] [stderr] | [INFO] [stderr] 61 | for _ in 0..num_tasks { [INFO] [stderr] | ^ cannot infer type for type `{integer}` [INFO] [stderr] | [INFO] [stderr] note: the type is part of the `async` block because of this `await` [INFO] [stderr] --> tests/mutex.rs:62:22 [INFO] [stderr] | [INFO] [stderr] 62 | let () = rx.next().await.unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/mutex.rs:61:21 [INFO] [stderr] | [INFO] [stderr] 61 | for _ in 0..num_tasks { [INFO] [stderr] | ^^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr] | [INFO] [stderr] note: the type is part of the `async` block because of this `await` [INFO] [stderr] --> tests/mutex.rs:62:22 [INFO] [stderr] | [INFO] [stderr] 62 | let () = rx.next().await.unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/mutex.rs:61:18 [INFO] [stderr] | [INFO] [stderr] 61 | for _ in 0..num_tasks { [INFO] [stderr] | ^^^^^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr] | [INFO] [stderr] note: the type is part of the `async` block because of this `await` [INFO] [stderr] --> tests/mutex.rs:62:22 [INFO] [stderr] | [INFO] [stderr] 62 | let () = rx.next().await.unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/mutex.rs:64:20 [INFO] [stderr] | [INFO] [stderr] 64 | let lock = mutex.lock().await; [INFO] [stderr] | ^^^^^ cannot infer type for type `{integer}` [INFO] [stderr] | [INFO] [stderr] note: the type is part of the `async` block because of this `await` [INFO] [stderr] --> tests/mutex.rs:64:20 [INFO] [stderr] | [INFO] [stderr] 64 | let lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/mutex.rs:64:20 [INFO] [stderr] | [INFO] [stderr] 64 | let lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr] | [INFO] [stderr] note: the type is part of the `async` block because of this `await` [INFO] [stderr] --> tests/mutex.rs:64:20 [INFO] [stderr] | [INFO] [stderr] 64 | let lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/mutex.rs:64:20 [INFO] [stderr] | [INFO] [stderr] 64 | let lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}` [INFO] [stderr] | [INFO] [stderr] note: the type is part of the `async` block because of this `await` [INFO] [stderr] --> tests/mutex.rs:64:20 [INFO] [stderr] | [INFO] [stderr] 64 | let lock = mutex.lock().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 17 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0433, E0599, E0698. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `futures-preview`. [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] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/io_read_until.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use futures_test::io::AsyncReadTestExt; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/io_read_until.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use futures_test::task::noop_context; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/unfold.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use futures_test::future::FutureTestExt; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/io_read_until.rs:30:18 [INFO] [stderr] | [INFO] [stderr] 30 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/futures_ordered.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use futures_test::task::noop_context; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/futures_ordered.rs:17:41 [INFO] [stderr] | [INFO] [stderr] 17 | assert!(stream.poll_next_unpin(&mut noop_context()).is_pending()); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/futures_ordered.rs:40:18 [INFO] [stderr] | [INFO] [stderr] 40 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/futures_ordered.rs:73:19 [INFO] [stderr] | [INFO] [stderr] 73 | let cx = &mut noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `futures_test` [INFO] [stderr] --> tests/unfold.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use futures_test::{ [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `futures-preview`. [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] [stderr] error: cannot determine resolution for the macro `assert_stream_pending` [INFO] [stderr] --> tests/unfold.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | assert_stream_pending!(stream); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_next` [INFO] [stderr] --> tests/unfold.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | assert_stream_next!(stream, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_pending` [INFO] [stderr] --> tests/unfold.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | assert_stream_pending!(stream); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_next` [INFO] [stderr] --> tests/unfold.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | assert_stream_next!(stream, 2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_pending` [INFO] [stderr] --> tests/unfold.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | assert_stream_pending!(stream); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_next` [INFO] [stderr] --> tests/unfold.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | assert_stream_next!(stream, 4); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_pending` [INFO] [stderr] --> tests/unfold.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | assert_stream_pending!(stream); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_done` [INFO] [stderr] --> tests/unfold.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | assert_stream_done!(stream); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `interleave_pending` found for reference `&'static [u8; 2]` in the current scope [INFO] [stderr] --> tests/io_read_until.rs:40:25 [INFO] [stderr] | [INFO] [stderr] 40 | let mut buf = b"12".interleave_pending(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ method not found in `&'static [u8; 2]` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/stream_select_all.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use futures_test::task::noop_context; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `interleave_pending` found for struct `futures_util::try_stream::into_async_read::IntoAsyncRead>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope [INFO] [stderr] --> tests/io_read_until.rs:48:10 [INFO] [stderr] | [INFO] [stderr] 48 | .interleave_pending(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_stream::into_async_read::IntoAsyncRead>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `futures-preview`. [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] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/stream_select_all.rs:10:18 [INFO] [stderr] | [INFO] [stderr] 10 | let mut cx = noop_context(); [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `pending_once` found for struct `futures_util::future::ready::Ready>` in the current scope [INFO] [stderr] --> tests/unfold.rs:13:57 [INFO] [stderr] | [INFO] [stderr] 13 | future::ready(Some((state * 2, state + 1))).pending_once() [INFO] [stderr] | ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `pending_once` found for struct `futures_util::future::ready::Ready>` in the current scope [INFO] [stderr] --> tests/unfold.rs:15:33 [INFO] [stderr] | [INFO] [stderr] 15 | future::ready(None).pending_once() [INFO] [stderr] | ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 12 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `futures-preview`. [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] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `futures-preview`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4e400272f53e1282573109e65f25cd4476f059b2a219d8ba88c526ea16eb08e3"` [INFO] running `"docker" "rm" "-f" "4e400272f53e1282573109e65f25cd4476f059b2a219d8ba88c526ea16eb08e3"` [INFO] [stdout] 4e400272f53e1282573109e65f25cd4476f059b2a219d8ba88c526ea16eb08e3