[INFO] crate futures-preview 0.3.0-alpha.19 is already in cache
[INFO] checking futures-preview-0.3.0-alpha.19 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 9223c08050f287fd81c6da9fbd3ce6cf9c83725fc76b868be55e0dff40b59fff
[INFO] running `"docker" "start" "-a" "9223c08050f287fd81c6da9fbd3ce6cf9c83725fc76b868be55e0dff40b59fff"`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-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/oneshot.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `futures::pending`, `futures::poll`, `futures::join`, `futures::try_join`, `futures::select`
[INFO] [stderr]  --> tests/async_await_macros.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Poll, pending, pin_mut, poll, join, try_join, select};
[INFO] [stderr]   |                     ^^^^^^^           ^^^^  ^^^^  ^^^^^^^^  ^^^^^^ no `select` in the root
[INFO] [stderr]   |                     |                 |     |     |
[INFO] [stderr]   |                     |                 |     |     no `try_join` in the root
[INFO] [stderr]   |                     |                 |     no `join` in the root
[INFO] [stderr]   |                     |                 no `poll` in the root
[INFO] [stderr]   |                     |                 help: a similar name exists in the module: `Poll`
[INFO] [stderr]   |                     no `pending` in the root
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `pending`
[INFO] [stderr]   --> tests/async_await_macros.rs:12:32
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let pending_once = async { pending!() };
[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 `poll`
[INFO] [stderr]   --> tests/async_await_macros.rs:15:35
[INFO] [stderr]    |
[INFO] [stderr] 15 |         assert_eq!(Poll::Pending, poll!(&mut pending_once));
[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 `poll`
[INFO] [stderr]   --> tests/async_await_macros.rs:16:37
[INFO] [stderr]    |
[INFO] [stderr] 16 |         assert_eq!(Poll::Ready(()), poll!(&mut pending_once));
[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 `join`
[INFO] [stderr]   --> tests/async_await_macros.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let res = join!(rx1, rx2);
[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 `poll`
[INFO] [stderr]   --> tests/async_await_macros.rs:32:35
[INFO] [stderr]    |
[INFO] [stderr] 32 |         assert_eq!(Poll::Pending, poll!(&mut fut));
[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 `poll`
[INFO] [stderr]   --> tests/async_await_macros.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 |         assert_eq!(Poll::Pending, poll!(&mut fut));
[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 `poll`
[INFO] [stderr]   --> tests/async_await_macros.rs:36:37
[INFO] [stderr]    |
[INFO] [stderr] 36 |         assert_eq!(Poll::Ready(()), poll!(&mut fut));
[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/async_await_macros.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         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/async_await_macros.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         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/async_await_macros.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             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/async_await_macros.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         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/async_await_macros.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         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/async_await_macros.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         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/async_await_macros.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         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 `join`
[INFO] [stderr]    --> tests/async_await_macros.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         join!(ready)
[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 `join`
[INFO] [stderr]    --> tests/async_await_macros.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |         join!(ready1, ready2)
[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 `try_join`
[INFO] [stderr]    --> tests/async_await_macros.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         try_join!(ready)
[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 `try_join`
[INFO] [stderr]    --> tests/async_await_macros.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         try_join!(ready1, ready2)
[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 `join`
[INFO] [stderr]    --> tests/async_await_macros.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |         join!(async {}, async {})
[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 `try_join`
[INFO] [stderr]    --> tests/async_await_macros.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         try_join!(
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[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: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[E0599]: no method named `run_in_background` found for struct `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:13:38
[INFO] [stderr]    |
[INFO] [stderr] 13 |     rx1.map_ok(move |x| tx2.send(x)).run_in_background();
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:24:16: 24:45 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:24:47
[INFO] [stderr]    |
[INFO] [stderr] 24 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:24:16: 24:45 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:33:16: 33:45 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:33:47
[INFO] [stderr]    |
[INFO] [stderr] 33 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:33:16: 33:45 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:44:13: 44:52 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:44:54
[INFO] [stderr]    |
[INFO] [stderr] 44 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:44:13: 44:52 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:55:13: 55:52 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:55:54
[INFO] [stderr]    |
[INFO] [stderr] 55 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:55:13: 55:52 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[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] Some errors have detailed explanations: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[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[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/io_read_line.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_line.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: 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/io_read_line.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut cx = noop_context();
[INFO] [stderr]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::sink::SinkExt`
[INFO] [stderr]  --> tests/async_await_macros.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use futures::sink::SinkExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 21 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this 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[E0599]: no method named `interleave_pending` found for struct `futures_util::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::map::Map<futures_util::stream::iter::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] [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<futures_util::stream::map::Map<futures_util::stream::iter::Iter<std::vec::IntoIter<&[u8]>>, 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[E0599]: no method named `run_in_background` found for struct `futures_util::future::map::Map<futures_util::future::map::Map<futures_util::future::then::Then<futures_util::future::ready::Ready<{integer}>, 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::map::Map<futures_util::future::then::Then<futures_util::future::ready::Ready<{integer}>, 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[E0599]: no method named `interleave_pending` found for reference `&'static [u8; 2]` in the current scope
[INFO] [stderr]   --> tests/io_read_line.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[E0599]: no method named `interleave_pending` found for struct `futures_util::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::map::Map<futures_util::stream::iter::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] [stderr]   --> tests/io_read_line.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 |         .interleave_pending();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::map::Map<futures_util::stream::iter::Iter<std::vec::IntoIter<&[u8]>>, 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[E0599]: no method named `run_in_background` found for struct `futures_util::future::map::Map<futures_util::try_future::map_err::MapErr<futures_util::try_future::map_ok::MapOk<futures_util::try_future::or_else::OrElse<futures_util::try_future::and_then::AndThen<futures_util::future::map::Map<futures_util::try_future::map_err::MapErr<futures_util::try_future::map_ok::MapOk<futures_util::try_future::or_else::OrElse<futures_util::try_future::and_then::AndThen<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:44:19: 48:10 tx1:_]>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [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<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:69:19: 73:10 tx6:_]>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [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::try_future::map_err::MapErr<futures_util::try_future::map_ok::MapOk<futures_util::try_future::or_else::OrElse<futures_util::try_future::and_then::AndThen<futures_util::future::map::Map<futures_util::try_future::map_err::MapErr<futures_util::try_future::map_ok::MapOk<futures_util::try_future::or_else::OrElse<futures_util::try_future::and_then::AndThen<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:44:19: 48:10 tx1:_]>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [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<std::result::Result<i32, i32>>, [closure@tests/basic_combinators.rs:69:19: 73:10 tx6:_]>, futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [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] 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] 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] 
[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_buf_reader.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | 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/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[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[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]   --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut cx = noop_context();
[INFO] [stderr]    |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 93 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stderr]    |                --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]   --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut cx = noop_context();
[INFO] [stderr]    |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 95 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stderr]    |                --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]   --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut cx = noop_context();
[INFO] [stderr]    |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 97 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[1, 2][..]));
[INFO] [stderr]    |                --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:41:22
[INFO] [stderr]     |
[INFO] [stderr] 41  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 107 |     assert!(run_seek_relative!(reader, 3).is_ok());
[INFO] [stderr]     |             ----------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 108 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:41:22
[INFO] [stderr]     |
[INFO] [stderr] 41  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 109 |     assert!(run_seek_relative!(reader, 0).is_ok());
[INFO] [stderr]     |             ----------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 110 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:41:22
[INFO] [stderr]     |
[INFO] [stderr] 41  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 111 |     assert!(run_seek_relative!(reader, 1).is_ok());
[INFO] [stderr]     |             ----------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 112 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[1][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:41:22
[INFO] [stderr]     |
[INFO] [stderr] 41  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 113 |     assert!(run_seek_relative!(reader, -1).is_ok());
[INFO] [stderr]     |             ------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 114 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:41:22
[INFO] [stderr]     |
[INFO] [stderr] 41  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 115 |     assert!(run_seek_relative!(reader, 2).is_ok());
[INFO] [stderr]     |             ----------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 116 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[2, 3][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 124 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[5, 6, 7][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:41:22
[INFO] [stderr]     |
[INFO] [stderr] 41  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 131 |     assert!(run_seek_relative!(reader, -2).is_ok());
[INFO] [stderr]     |             ------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 142 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[5, 6, 7][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:41:22
[INFO] [stderr]     |
[INFO] [stderr] 41  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 147 |     assert!(run_seek_relative!(reader, -2).is_ok());
[INFO] [stderr]     |             ------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 187 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1, 2, 3, 4][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 189 |     assert_eq!(run_fill_buf!(reader).ok().map(|s| s.len()), Some(5));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 193 |     assert_eq!(run_fill_buf!(reader).ok().map(|s| s.len()), Some(5));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:260:18
[INFO] [stderr]     |
[INFO] [stderr] 260 |     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/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 376 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for struct `futures_util::future::map::Map<futures_util::try_future::map_ok::MapOk<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [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<futures_util::try_future::map_ok::MapOk<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [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<futures_util::try_future::map_err::MapErr<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [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<futures_util::try_future::map_err::MapErr<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [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[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 378 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]    --> tests/io_buf_reader.rs:30:22
[INFO] [stderr]     |
[INFO] [stderr] 30  |         let mut cx = noop_context();
[INFO] [stderr]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] ...
[INFO] [stderr] 380 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[1, 2][..]));
[INFO] [stderr]     |                --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `future` found for struct `std::pin::Pin<&mut FutureData<F, T>>` 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<FutureData<futures_util::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<()>, [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<FutureData<futures_util::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<()>, [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<FutureData<futures_util::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [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<FutureData<futures_util::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [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<FutureData<futures_util::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [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<FutureData<futures_util::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [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] 
[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 25 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" "9223c08050f287fd81c6da9fbd3ce6cf9c83725fc76b868be55e0dff40b59fff"`
[INFO] running `"docker" "rm" "-f" "9223c08050f287fd81c6da9fbd3ce6cf9c83725fc76b868be55e0dff40b59fff"`
[INFO] [stdout] 9223c08050f287fd81c6da9fbd3ce6cf9c83725fc76b868be55e0dff40b59fff
