[INFO] crate futures 0.3.1 is already in cache [INFO] checking futures-0.3.1 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350 [INFO] extracting crate futures 0.3.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate futures 0.3.1 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1 [INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate futures 0.3.1 [INFO] finished tweaking crates.io crate futures 0.3.1 [INFO] tweaked toml for crates.io crate futures 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 3b8a5c28bc78a4d71d237f99d2ae21962b88355a709afeb4709ab38631254441 [INFO] running `"docker" "start" "-a" "3b8a5c28bc78a4d71d237f99d2ae21962b88355a709afeb4709ab38631254441"` [INFO] [stderr] Checking futures v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/eager_drop.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[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/io_buf_writer.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[E0599]: no method named `run_in_background` found for struct `futures_util::future::future::map::Map>, [closure@tests/eager_drop.rs:17:17: 17:71 tx1:_]>, [closure@tests/eager_drop.rs:18:14: 21:10 rx1:_, tx2:_]>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:22:10 [INFO] [stderr] | [INFO] [stderr] 22 | .run_in_background(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map>, [closure@tests/eager_drop.rs:17:17: 17:71 tx1:_]>, [closure@tests/eager_drop.rs:18:14: 21:10 rx1:_, tx2:_]>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::future::map::Map>, [closure@tests/eager_drop.rs:35:18: 35:72 tx1:_]>, [closure@tests/eager_drop.rs:36:14: 39:10 rx1:_, tx2:_]>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:40:10 [INFO] [stderr] | [INFO] [stderr] 40 | .run_in_background(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map>, [closure@tests/eager_drop.rs:35:18: 35:72 tx1:_]>, [closure@tests/eager_drop.rs:36:14: 39:10 rx1:_, tx2:_]>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::future::then::Then, [closure@tests/eager_drop.rs:68:57: 68:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<()>, [closure@tests/eager_drop.rs:69:15: 73:10 rx1:_, tx2:_]>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:74:10 [INFO] [stderr] | [INFO] [stderr] 74 | .run_in_background(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::then::Then, [closure@tests/eager_drop.rs:68:57: 68:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<()>, [closure@tests/eager_drop.rs:69:15: 73:10 rx1:_, tx2:_]>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::try_future::and_then::AndThen>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready>, [closure@tests/eager_drop.rs:88:19: 92:10 rx1:_, tx2:_]>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:93:10 [INFO] [stderr] | [INFO] [stderr] 93 | .run_in_background(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::and_then::AndThen>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready>, [closure@tests/eager_drop.rs:88:19: 92:10 rx1:_, tx2:_]>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::try_future::or_else::OrElse>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready>, [closure@tests/eager_drop.rs:107:18: 111:10 rx1:_, tx2:_]>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:112:10 [INFO] [stderr] | [INFO] [stderr] 112 | .run_in_background(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::or_else::OrElse>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready>, [closure@tests/eager_drop.rs:107:18: 111:10 rx1:_, tx2:_]>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 6 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0433`. [INFO] [stderr] error: could not compile `futures`. [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/io_buf_writer.rs:112:18 [INFO] [stderr] | [INFO] [stderr] 112 | 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_unordered.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | 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/futures_unordered.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | 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/stream_select_next_some.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | 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/stream_select_next_some.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use futures_test::task::new_count_waker; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [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`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0432]: unresolved import `futures_test` [INFO] [stderr] --> tests/futures_unordered.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use futures_test::{assert_stream_done, assert_stream_next}; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_next` [INFO] [stderr] --> tests/futures_unordered.rs:243:5 [INFO] [stderr] | [INFO] [stderr] 243 | assert_stream_next!(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/futures_unordered.rs:244:5 [INFO] [stderr] | [INFO] [stderr] 244 | assert_stream_next!(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/futures_unordered.rs:245:5 [INFO] [stderr] | [INFO] [stderr] 245 | assert_stream_next!(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/futures_unordered.rs:246:5 [INFO] [stderr] | [INFO] [stderr] 246 | assert_stream_done!(stream); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope [INFO] [stderr] --> tests/futures_unordered.rs:16:18 [INFO] [stderr] | [INFO] [stderr] 16 | 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_unordered.rs:79:18 [INFO] [stderr] | [INFO] [stderr] 79 | 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_unordered.rs:112:19 [INFO] [stderr] | [INFO] [stderr] 112 | let cx = &mut noop_context(); [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/stream_select_next_some.rs:10:28 [INFO] [stderr] | [INFO] [stderr] 10 | let (waker, counter) = new_count_waker(); [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/futures_unordered.rs:241:33 [INFO] [stderr] | [INFO] [stderr] 241 | let fut = future::ready(()).pending_once().assert_unmoved(); [INFO] [stderr] | ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<()>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 11 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0433, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `futures`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0599]: no method named `pending_once` found for struct `futures_util::future::ready::Ready<{integer}>` in the current scope [INFO] [stderr] --> tests/stream_select_next_some.rs:39:40 [INFO] [stderr] | [INFO] [stderr] 39 | let mut fut = future::ready(1).pending_once(); [INFO] [stderr] | ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<{integer}>` [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/stream_select_next_some.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | let mut async_tasks = FuturesUnordered::new(); [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/stream_select_next_some.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | / select! { [INFO] [stderr] 44 | | num = fut => { [INFO] [stderr] 45 | | total += num; [INFO] [stderr] 46 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 51 | | complete => break, [INFO] [stderr] 52 | | } [INFO] [stderr] | |_____________^ [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/stream_select_next_some.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | let mut total = 0; [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/stream_select_next_some.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | / select! { [INFO] [stderr] 44 | | num = fut => { [INFO] [stderr] 45 | | total += num; [INFO] [stderr] 46 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 51 | | complete => break, [INFO] [stderr] 52 | | } [INFO] [stderr] | |_____________^ [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/stream_select_next_some.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | / select! { [INFO] [stderr] 44 | | num = fut => { [INFO] [stderr] 45 | | total += num; [INFO] [stderr] 46 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 51 | | complete => break, [INFO] [stderr] 52 | | } [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/stream_select_next_some.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | / select! { [INFO] [stderr] 44 | | num = fut => { [INFO] [stderr] 45 | | total += num; [INFO] [stderr] 46 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 51 | | complete => break, [INFO] [stderr] 52 | | } [INFO] [stderr] | |_____________^ [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/stream_select_next_some.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | / select! { [INFO] [stderr] 44 | | num = fut => { [INFO] [stderr] 45 | | total += num; [INFO] [stderr] 46 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 51 | | complete => break, [INFO] [stderr] 52 | | } [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/stream_select_next_some.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | / select! { [INFO] [stderr] 44 | | num = fut => { [INFO] [stderr] 45 | | total += num; [INFO] [stderr] 46 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 51 | | complete => break, [INFO] [stderr] 52 | | } [INFO] [stderr] | |_____________^ [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/stream_select_next_some.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | / select! { [INFO] [stderr] 44 | | num = fut => { [INFO] [stderr] 45 | | total += num; [INFO] [stderr] 46 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 51 | | complete => break, [INFO] [stderr] 52 | | } [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/stream_select_next_some.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | / select! { [INFO] [stderr] 44 | | num = fut => { [INFO] [stderr] 45 | | total += num; [INFO] [stderr] 46 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 51 | | complete => break, [INFO] [stderr] 52 | | } [INFO] [stderr] | |_____________^ [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `pending_once` found for struct `futures_util::future::ready::Ready<{integer}>` in the current scope [INFO] [stderr] --> tests/stream_select_next_some.rs:68:40 [INFO] [stderr] | [INFO] [stderr] 68 | let mut fut = future::ready(1).pending_once(); [INFO] [stderr] | ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<{integer}>` [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/stream_select_next_some.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 69 | let mut async_tasks = FuturesUnordered::new(); [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/stream_select_next_some.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | / select! { [INFO] [stderr] 73 | | num = fut => { [INFO] [stderr] 74 | | total += num; [INFO] [stderr] 75 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 80 | | complete => break, [INFO] [stderr] 81 | | } [INFO] [stderr] | |_____________^ [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/stream_select_next_some.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | let mut total = 0; [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/stream_select_next_some.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | / select! { [INFO] [stderr] 73 | | num = fut => { [INFO] [stderr] 74 | | total += num; [INFO] [stderr] 75 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 80 | | complete => break, [INFO] [stderr] 81 | | } [INFO] [stderr] | |_____________^ [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/stream_select_next_some.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | / select! { [INFO] [stderr] 73 | | num = fut => { [INFO] [stderr] 74 | | total += num; [INFO] [stderr] 75 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 80 | | complete => break, [INFO] [stderr] 81 | | } [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/stream_select_next_some.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | / select! { [INFO] [stderr] 73 | | num = fut => { [INFO] [stderr] 74 | | total += num; [INFO] [stderr] 75 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 80 | | complete => break, [INFO] [stderr] 81 | | } [INFO] [stderr] | |_____________^ [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0698]: type inside `async` block must be known in this context [INFO] [stderr] --> tests/stream_select_next_some.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | / select! { [INFO] [stderr] 73 | | num = fut => { [INFO] [stderr] 74 | | total += num; [INFO] [stderr] 75 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 80 | | complete => break, [INFO] [stderr] 81 | | } [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/stream_select_next_some.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | / select! { [INFO] [stderr] 73 | | num = fut => { [INFO] [stderr] 74 | | total += num; [INFO] [stderr] 75 | | async_tasks.push(async { 5 }); [INFO] [stderr] ... | [INFO] [stderr] 80 | | complete => break, [INFO] [stderr] 81 | | } [INFO] [stderr] | |_____________^ [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: aborting due to 14 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`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "3b8a5c28bc78a4d71d237f99d2ae21962b88355a709afeb4709ab38631254441"` [INFO] running `"docker" "rm" "-f" "3b8a5c28bc78a4d71d237f99d2ae21962b88355a709afeb4709ab38631254441"` [INFO] [stdout] 3b8a5c28bc78a4d71d237f99d2ae21962b88355a709afeb4709ab38631254441