[INFO] crate futures-preview 0.3.0-alpha.19 is already in cache [INFO] checking futures-preview-0.3.0-alpha.19 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766 [INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] af1ea9ee01578de7bf6e5d2656cb615cc6a97508f6f95120285ee4aff605d6eb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "af1ea9ee01578de7bf6e5d2656cb615cc6a97508f6f95120285ee4aff605d6eb"` [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/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[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/basic_combinators.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use futures_test::future::FutureTestExt; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [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] 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: cannot find macro `poll` in this scope [INFO] [stderr] --> tests/macro_comma_support.rs:21:17 [INFO] [stderr] | [INFO] [stderr] 21 | let _ = poll!(async {}.boxed(),); [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] error: cannot find macro `join` in this scope [INFO] [stderr] --> tests/macro_comma_support.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | join!(future1, future2,); [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] error: cannot find macro `try_join` in this scope [INFO] [stderr] --> tests/macro_comma_support.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | try_join!(future1, future2,) [INFO] [stderr] | ^^^^^^^^ [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[E0599]: no method named `run_in_background` found for struct `futures_util::future::map::Map, futures_util::future::ready::Ready<{integer}>, [closure@tests/basic_combinators.rs:12:15: 16:10 tx1:_]>, [closure@tests/basic_combinators.rs:16:16: 20:10 tx2:_]>, [closure@tests/basic_combinators.rs:20:16: 22:10 tx3:_]>` in the current scope [INFO] [stderr] --> tests/basic_combinators.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | fut.run_in_background(); // Start it [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::map::Map, futures_util::future::ready::Ready<{integer}>, [closure@tests/basic_combinators.rs:12:15: 16:10 tx1:_]>, [closure@tests/basic_combinators.rs:16:16: 20:10 tx2:_]>, [closure@tests/basic_combinators.rs:20:16: 22:10 tx3:_]>` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `futures::select` [INFO] [stderr] --> tests/stream_select_next_some.rs:1:23 [INFO] [stderr] | [INFO] [stderr] 1 | use futures::{future, select}; [INFO] [stderr] | ^^^^^^ no `select` in the root [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `futures_util::select` [INFO] [stderr] --> tests/stream_select_next_some.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | use futures_util::select; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ no `select` in the root [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `select` [INFO] [stderr] --> tests/stream_select_next_some.rs:43:13 [INFO] [stderr] | [INFO] [stderr] 43 | select! { [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 `select` [INFO] [stderr] --> tests/stream_select_next_some.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | select! { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::map::Map>, futures_util::future::ready::Ready>, [closure@tests/basic_combinators.rs:44:19: 48:10 tx1:_]>, futures_util::future::ready::Ready>, [closure@tests/basic_combinators.rs:49:18: 53:10 tx2:_]>, [closure@tests/basic_combinators.rs:54:17: 58:10 tx3:_]>, [closure@tests/basic_combinators.rs:59:18: 63:10 tx4:_]>, [closure@tests/basic_combinators.rs:64:14: 68:10 tx5:_]>, futures_util::future::ready::Ready>, [closure@tests/basic_combinators.rs:69:19: 73:10 tx6:_]>, futures_util::future::ready::Ready>, [closure@tests/basic_combinators.rs:74:18: 78:10 tx7:_]>, [closure@tests/basic_combinators.rs:79:17: 83:10 tx8:_]>, [closure@tests/basic_combinators.rs:84:18: 88:10 tx9:_]>, [closure@tests/basic_combinators.rs:89:14: 92:10 tx10:_]>` in the current scope [INFO] [stderr] --> tests/basic_combinators.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | fut.run_in_background(); // Start it [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::map::Map>, futures_util::future::ready::Ready>, [closure@tests/basic_combinators.rs:44:19: 48:10 tx1:_]>, futures_util::future::ready::Ready>, [closure@tests/basic_combinators.rs:49:18: 53:10 tx2:_]>, [closure@tests/basic_combinators.rs:54:17: 58:10 tx3:_]>, [closure@tests/basic_combinators.rs:59:18: 63:10 tx4:_]>, [closure@tests/basic_combinators.rs:64:14: 68:10 tx5:_]>, futures_util::future::ready::Ready>, [closure@tests/basic_combinators.rs:69:19: 73:10 tx6:_]>, futures_util::future::ready::Ready>, [closure@tests/basic_combinators.rs:74:18: 78:10 tx7:_]>, [closure@tests/basic_combinators.rs:79:17: 83:10 tx8:_]>, [closure@tests/basic_combinators.rs:84:18: 88:10 tx9:_]>, [closure@tests/basic_combinators.rs:89:14: 92:10 tx10:_]>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 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-preview`. [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>` 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[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/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[E0433]: failed to resolve: use of undeclared type or module `futures_test` [INFO] [stderr] --> tests/fuse.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use futures_test::task::panic_waker; [INFO] [stderr] | ^^^^^^^^^^^^ use of undeclared type or module `futures_test` [INFO] [stderr] [INFO] [stderr] error: could not compile `futures-preview`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] error: could not compile `futures-preview`. [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] warning: unreachable statement [INFO] [stderr] --> tests/stream_select_next_some.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 42 | / loop { [INFO] [stderr] 43 | | select! { [INFO] [stderr] 44 | | num = fut => { [INFO] [stderr] 45 | | total += num; [INFO] [stderr] ... | [INFO] [stderr] 52 | | } [INFO] [stderr] 53 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 54 | assert_eq!(total, 6); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning 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[E0425]: cannot find function `panic_waker` in this scope [INFO] [stderr] --> tests/fuse.rs:8:17 [INFO] [stderr] | [INFO] [stderr] 8 | let waker = panic_waker(); [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/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[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] warning: unreachable statement [INFO] [stderr] --> tests/stream_select_next_some.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 71 | / loop { [INFO] [stderr] 72 | | select! { [INFO] [stderr] 73 | | num = fut => { [INFO] [stderr] 74 | | total += num; [INFO] [stderr] ... | [INFO] [stderr] 81 | | } [INFO] [stderr] 82 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 83 | assert_eq!(total, 6); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: this warning 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 9 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: 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] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0432]: unresolved import `pin_utils` [INFO] [stderr] --> tests/eager_drop.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use pin_utils::unsafe_pinned; [INFO] [stderr] | ^^^^^^^^^ use of undeclared type or module `pin_utils` [INFO] [stderr] [INFO] [stderr] error: cannot determine resolution for the macro `unsafe_pinned` [INFO] [stderr] --> tests/eager_drop.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | unsafe_pinned!(future: F); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: import resolution is stuck, try simplifying macro imports [INFO] [stderr] [INFO] [stderr] error: could not compile `futures-preview`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::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::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::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::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 `future` found for struct `std::pin::Pin<&mut FutureData>` in the current scope [INFO] [stderr] --> tests/eager_drop.rs:58:14 [INFO] [stderr] | [INFO] [stderr] 58 | self.future().poll(cx) [INFO] [stderr] | ^^^^^^-- help: remove the arguments [INFO] [stderr] | | [INFO] [stderr] | field, not a method [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::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::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::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::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::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::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 9 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] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "af1ea9ee01578de7bf6e5d2656cb615cc6a97508f6f95120285ee4aff605d6eb"` [INFO] running `"docker" "rm" "-f" "af1ea9ee01578de7bf6e5d2656cb615cc6a97508f6f95120285ee4aff605d6eb"` [INFO] [stdout] af1ea9ee01578de7bf6e5d2656cb615cc6a97508f6f95120285ee4aff605d6eb