[INFO] fetching crate futures-preview 0.3.0-alpha.19...
[INFO] checking futures-preview-0.3.0-alpha.19 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dbcfcfe8eaf3dc20c0682d54b3bdb8a1020f0e80dbf09f301e2ce2df8c64264
[INFO] running `Command { std: "docker" "start" "-a" "8dbcfcfe8eaf3dc20c0682d54b3bdb8a1020f0e80dbf09f301e2ce2df8c64264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dbcfcfe8eaf3dc20c0682d54b3bdb8a1020f0e80dbf09f301e2ce2df8c64264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbcfcfe8eaf3dc20c0682d54b3bdb8a1020f0e80dbf09f301e2ce2df8c64264", kill_on_drop: false }`
[INFO] [stdout] 8dbcfcfe8eaf3dc20c0682d54b3bdb8a1020f0e80dbf09f301e2ce2df8c64264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7106ab01a937bac13c851424b46d0bd9780a62d12e9fa1d033f44ed2635ba866
[INFO] running `Command { std: "docker" "start" "-a" "7106ab01a937bac13c851424b46d0bd9780a62d12e9fa1d033f44ed2635ba866", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking num_cpus v1.16.0
[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] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/abortable.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::task::new_count_waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_core::task::new_count_waker;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_select_all.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_core::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/eager_drop.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures_core::future::FutureTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `pin_utils`
[INFO] [stdout]  --> tests/eager_drop.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pin_utils::unsafe_pinned;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `pin_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/fuse.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_test::task::panic_waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_core::task::panic_waker;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/ready_queue.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_core::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "abortable") due to 1 previous error
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/oneshot.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures_core::future::FutureTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_buf_reader.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_test::task::noop_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures_core::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/sink.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures_test::task::panic_context;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures_core::task::panic_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "stream_select_all") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `assert_matches`
[INFO] [stdout]  --> tests/io_cursor.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use assert_matches::assert_matches;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ help: a similar path exists: `std::assert_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "fuse") due to 1 previous error
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `Map` in the current scope
[INFO] [stdout]   --> tests/eager_drop.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     future::ready::<Result<i32, i32>>(Err(1))
[INFO] [stdout] 17 | |         .map_ok(move |_| { let _tx1 = tx1; panic!("should not run"); })
[INFO] [stdout] 18 | |         .map(move |_| {
[INFO] [stdout] 19 | |             assert!(rx1.recv().is_err());
[INFO] [stdout] 20 | |             tx2.send(()).unwrap()
[INFO] [stdout] 21 | |         })
[INFO] [stdout] 22 | |         .run_in_background();
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^^^^ method not found in `Map<MapOk<Ready<Result<i32, i32>>, {closure@eager_drop.rs:17:17}>, {closure@eager_drop.rs:18:14}>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/eager_drop-85aec5eee20ac126.long-type-13693252871946839051.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_select_next_some.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::future::FutureTestExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_util::future::FutureTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_select_next_some.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::task::new_count_waker;
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_util::task::new_count_waker;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Poll`
[INFO] [stdout]  --> tests/io_cursor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::Poll;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures::select`
[INFO] [stdout]  --> tests/stream_select_next_some.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::{future, select};
[INFO] [stdout]   |                       ^^^^^^ no `select` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_util::select`
[INFO] [stdout]   --> tests/stream_select_next_some.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     use futures_util::select;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ no `select` in the root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unresolved item through its public re-export instead
[INFO] [stdout]    |
[INFO] [stdout] 61 |     use crate::select;
[INFO] [stdout]    |         ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::io::AsyncWrite`
[INFO] [stdout]  --> tests/io_cursor.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::io::AsyncWrite;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> tests/io_cursor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:13:38
[INFO] [stdout]    |
[INFO] [stdout] 13 |     rx1.map_ok(move |x| tx2.send(x)).run_in_background();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^ method not found in `MapOk<Receiver<i32>, {closure@oneshot.rs:13:16}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:24:47
[INFO] [stdout]    |
[INFO] [stdout] 24 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `MapOk<Receiver<i32>, {closure@oneshot.rs:24:16}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `Map` in the current scope
[INFO] [stdout]   --> tests/eager_drop.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     future::ready::<Result<i32, i32>>(Ok(1))
[INFO] [stdout] 35 | |         .map_err(move |_| { let _tx1 = tx1; panic!("should not run"); })
[INFO] [stdout] 36 | |         .map(move |_| {
[INFO] [stdout] 37 | |             assert!(rx1.recv().is_err());
[INFO] [stdout] 38 | |             tx2.send(()).unwrap()
[INFO] [stdout] 39 | |         })
[INFO] [stdout] 40 | |         .run_in_background();
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^^^^ method not found in `Map<MapErr<Ready<Result<i32, i32>>, {closure@eager_drop.rs:35:18}>, {closure@eager_drop.rs:36:14}>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/eager_drop-85aec5eee20ac126.long-type-13647851904904177530.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:33:47
[INFO] [stdout]    |
[INFO] [stdout] 33 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `MapOk<Receiver<i32>, {closure@oneshot.rs:33:16}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::Map` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:44:54
[INFO] [stdout]    |
[INFO] [stdout] 44 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `Map<Receiver<i32>, {closure@oneshot.rs:44:13}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::Map` in the current scope
[INFO] [stdout]   --> tests/oneshot.rs:55:54
[INFO] [stdout]    |
[INFO] [stdout] 55 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `Map<Receiver<i32>, {closure@oneshot.rs:55:13}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `future` found for struct `Pin<&mut FutureData<F, T>>` in the current scope
[INFO] [stdout]   --> tests/eager_drop.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.future().poll(cx)
[INFO] [stdout]    |              ^^^^^^ field, not a method
[INFO] [stdout]    |
[INFO] [stdout] help: remove the arguments
[INFO] [stdout]    |
[INFO] [stdout] 58 -         self.future().poll(cx)
[INFO] [stdout] 58 +         self.future.poll(cx)
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `into_future` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 58 |         self.into_future().poll(cx)
[INFO] [stdout]    |              ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready` in the current scope
[INFO] [stdout]   --> tests/stream_select_next_some.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut fut = future::ready(1).pending_once();
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ method not found in `Ready<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> tests/stream_select_next_some.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | /         loop {
[INFO] [stdout] 43 | |             select! {
[INFO] [stdout] 44 | |                 num = fut => {
[INFO] [stdout] 45 | |                     total += num;
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |             }
[INFO] [stdout] 53 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 54 |           assert_eq!(total, 6);
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "io_cursor") due to 1 previous error; 3 warnings emitted
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `Then` in the current scope
[INFO] [stdout]   --> tests/eager_drop.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     FutureData { _data: tx1, future: rx0.unwrap_or_else(|_| { panic!() }) }
[INFO] [stdout] 69 | |         .then(move |_| {
[INFO] [stdout] 70 | |             assert!(rx1.recv().is_err()); // tx1 should have been dropped
[INFO] [stdout] 71 | |             tx2.send(()).unwrap();
[INFO] [stdout] 72 | |             future::ready(())
[INFO] [stdout] 73 | |         })
[INFO] [stdout] 74 | |         .run_in_background();
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^^^^ method not found in `Then<FutureData<UnwrapOrElse<Receiver<()>, {closure@eager_drop.rs:68:57}>, Sender<()>>, Ready<()>, ...>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/eager_drop-85aec5eee20ac126.long-type-14339175201546137454.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready` in the current scope
[INFO] [stdout]   --> tests/stream_select_next_some.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut fut = future::ready(1).pending_once();
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ method not found in `Ready<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "oneshot") due to 6 previous errors
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> tests/stream_select_next_some.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         loop {
[INFO] [stdout] 72 | |             select! {
[INFO] [stdout] 73 | |                 num = fut => {
[INFO] [stdout] 74 | |                     total += num;
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |             }
[INFO] [stdout] 82 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 83 |           assert_eq!(total, 6);
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `AndThen` in the current scope
[INFO] [stdout]   --> tests/eager_drop.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | /     FutureData { _data: tx1, future: rx0.unwrap_or_else(|_| { panic!() }) }
[INFO] [stdout] 88 | |         .and_then(move |_| {
[INFO] [stdout] 89 | |             assert!(rx1.recv().is_err()); // tx1 should have been dropped
[INFO] [stdout] 90 | |             tx2.send(()).unwrap();
[INFO] [stdout] 91 | |             future::ready(Ok(()))
[INFO] [stdout] 92 | |         })
[INFO] [stdout] 93 | |         .run_in_background();
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^^^^ method not found in `AndThen<FutureData<UnwrapOrElse<Receiver<Result<(), ()>>, {closure@eager_drop.rs:87:57}>, ...>, ..., ...>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/eager_drop-85aec5eee20ac126.long-type-6572207594092299844.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "stream_select_next_some") due to 6 previous errors; 2 warnings emitted
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `OrElse` in the current scope
[INFO] [stdout]    --> tests/eager_drop.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 106 | /     FutureData { _data: tx1, future: rx0.unwrap_or_else(|_| { panic!() }) }
[INFO] [stdout] 107 | |         .or_else(move |_| {
[INFO] [stdout] 108 | |             assert!(rx1.recv().is_err()); // tx1 should have been dropped
[INFO] [stdout] 109 | |             tx2.send(()).unwrap();
[INFO] [stdout] 110 | |             future::ready::<Result<(), ()>>(Ok(()))
[INFO] [stdout] 111 | |         })
[INFO] [stdout] 112 | |         .run_in_background();
[INFO] [stdout]     | |         -^^^^^^^^^^^^^^^^^ method not found in `OrElse<FutureData<UnwrapOrElse<Receiver<Result<(), ()>>, {closure@eager_drop.rs:106:57}>, ...>, ..., ...>`
[INFO] [stdout]     | |_________|
[INFO] [stdout]     |
[INFO] [stdout]     |
[INFO] [stdout]     = note: the full type name has been written to '/opt/rustwide/target/debug/deps/eager_drop-85aec5eee20ac126.long-type-14931529136094325049.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "ready_queue") due to 1 previous error
[INFO] [stderr] error: could not compile `futures-preview` (test "io_buf_reader") due to 1 previous error
[INFO] [stderr] error: could not compile `futures-preview` (test "eager_drop") due to 8 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "sink") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7106ab01a937bac13c851424b46d0bd9780a62d12e9fa1d033f44ed2635ba866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7106ab01a937bac13c851424b46d0bd9780a62d12e9fa1d033f44ed2635ba866", kill_on_drop: false }`
[INFO] [stdout] 7106ab01a937bac13c851424b46d0bd9780a62d12e9fa1d033f44ed2635ba866
