[INFO] fetching crate futures-preview 0.3.0-alpha.19...
[INFO] testing futures-preview-0.3.0-alpha.19 against 1.76.0 for beta-1.77-1
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f256eb8f148403c0582550e3338bd8102797bde5ae54edf1641ff8c843d1bd3
[INFO] running `Command { std: "docker" "start" "-a" "7f256eb8f148403c0582550e3338bd8102797bde5ae54edf1641ff8c843d1bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f256eb8f148403c0582550e3338bd8102797bde5ae54edf1641ff8c843d1bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f256eb8f148403c0582550e3338bd8102797bde5ae54edf1641ff8c843d1bd3", kill_on_drop: false }`
[INFO] [stdout] 7f256eb8f148403c0582550e3338bd8102797bde5ae54edf1641ff8c843d1bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f46c8f355531f674e352472552b5b27934a622aa65868363a6a1156511349b6
[INFO] running `Command { std: "docker" "start" "-a" "1f46c8f355531f674e352472552b5b27934a622aa65868363a6a1156511349b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "1f46c8f355531f674e352472552b5b27934a622aa65868363a6a1156511349b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f46c8f355531f674e352472552b5b27934a622aa65868363a6a1156511349b6", kill_on_drop: false }`
[INFO] [stdout] 1f46c8f355531f674e352472552b5b27934a622aa65868363a6a1156511349b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11f35eb3a7ba3b28c688bc81bf0c9db067be118036cf0e526799a0c66b086b81
[INFO] running `Command { std: "docker" "start" "-a" "11f35eb3a7ba3b28c688bc81bf0c9db067be118036cf0e526799a0c66b086b81", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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/io_read_line.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::io::AsyncReadTestExt;
[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::io::AsyncReadTestExt;
[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[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_line.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | 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] 7 | use futures_core::task::noop_context;
[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/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] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_lines.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::io::AsyncReadTestExt;
[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::io::AsyncReadTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_lines.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | 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] 7 | 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/stream_into_async_read.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::{task::noop_context, stream::StreamTestExt};
[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::noop_context, stream::StreamTestExt};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_buf_writer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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] 5 | use futures_core::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `unsafe_pinned`
[INFO] [stdout]   --> tests/eager_drop.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     unsafe_pinned!(future: F);
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_to_string.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::io::AsyncReadTestExt;
[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::io::AsyncReadTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_to_string.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | 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] 7 | 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/futures_ordered.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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] 5 | use futures_core::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `try_join` in this scope
[INFO] [stdout]   --> tests/macro_comma_support.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         try_join!(future1, future2,)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `try_join` is in scope, but it is a function, not a macro
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `poll` in this scope
[INFO] [stdout]   --> tests/macro_comma_support.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let _ = poll!(async {}.boxed(),);
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `poll` is in scope, but it is a function, not a macro
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `join` in this scope
[INFO] [stdout]   --> tests/macro_comma_support.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         join!(future1, future2,);
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `join` is in scope, but it is a function, not a macro
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 4  + use core::future::join;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use futures::core_reexport::future::join;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use futures_core::core_reexport::future::join;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use futures_util::core_reexport::future::join;
[INFO] [stdout]    |
[INFO] [stdout]      and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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 "ready_queue") due to 2 previous errors
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `futures-preview` (test "macro_comma_support") due to 4 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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 "futures_ordered") due to 2 previous errors
[INFO] [stderr] error: could not compile `futures-preview` (test "io_buf_writer") due to 2 previous errors
[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-1569d7c9d4643881.long-type-153998282595881650.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for reference `&'static [u8; 2]` in the current scope
[INFO] [stdout]   --> tests/io_read_line.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut buf = b"12".interleave_pending();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ method not found in `&[u8; 2]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `Iter` in the current scope
[INFO] [stdout]   --> tests/stream_into_async_read.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut reader = stream.interleave_pending().into_async_read();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ method not found in `Iter<FlatMap<RangeInclusive<{integer}>, Vec<Result<Vec<{integer}>, _>>, ...>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/stream_into_async_read-555498beb35d2519.long-type-9840595280445150693.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead` in the current scope
[INFO] [stdout]   --> tests/io_read_to_string.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |       let mut buf = stream::iter(vec![&b"12"[..], &b"33"[..], &b"3"[..]])
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 39 | |         .map(Ok)
[INFO] [stdout] 40 | |         .into_async_read()
[INFO] [stdout] 41 | |         .interleave_pending();
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<Map<Iter<IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], Error> {Result::<&[u8], Error>::Ok}>>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | 
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/io_read_to_string-d22dd709e58d22ed.long-type-9392553646488978813.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead` in the current scope
[INFO] [stdout]   --> tests/io_lines.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |       let buf = stream::iter(vec![&b"12"[..], &b"\r"[..]])
[INFO] [stdout]    |  _______________-
[INFO] [stdout] 48 | |         .map(Ok)
[INFO] [stdout] 49 | |         .into_async_read()
[INFO] [stdout] 50 | |         .interleave_pending();
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<Map<Iter<IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], Error> {Result::<&[u8], Error>::Ok}>>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | 
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/io_lines-14da791930a804f9.long-type-13151695448134508115.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[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 `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-1569d7c9d4643881.long-type-9568070011687183735.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead` in the current scope
[INFO] [stdout]   --> tests/io_lines.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 55 |       let buf = stream::iter(vec![&b"12"[..], &b"\r\n"[..], &b"\n"[..]])
[INFO] [stdout]    |  _______________-
[INFO] [stdout] 56 | |         .map(Ok)
[INFO] [stdout] 57 | |         .into_async_read()
[INFO] [stdout] 58 | |         .interleave_pending();
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<Map<Iter<IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], Error> {Result::<&[u8], Error>::Ok}>>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | 
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/io_lines-14da791930a804f9.long-type-7583243342152052446.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "io_read_to_string") due to 4 previous errors
[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]    |              ^^^^^^-- help: remove the arguments
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead` in the current scope
[INFO] [stdout]   --> tests/io_read_line.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |       let mut buf = stream::iter(vec![&b"12"[..], &b"\n\n"[..]])
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 46 | |         .map(Ok)
[INFO] [stdout] 47 | |         .into_async_read()
[INFO] [stdout] 48 | |         .interleave_pending();
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<Map<Iter<IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], Error> {Result::<&[u8], Error>::Ok}>>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | 
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/io_read_line-9c51874687f8f21f.long-type-10958995593592132621.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[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: aborting due to 4 previous errors
[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] [stderr] error: could not compile `futures-preview` (test "io_lines") due to 5 previous errors
[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-1569d7c9d4643881.long-type-7997013489481842767.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "io_read_line") due to 5 previous errors
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `Iter` in the current scope
[INFO] [stdout]   --> tests/stream_into_async_read.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut reader = stream.interleave_pending().into_async_read();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ method not found in `Iter<FlatMap<RangeInclusive<{integer}>, Vec<Result<Vec<{integer}>, _>>, ...>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/stream_into_async_read-555498beb35d2519.long-type-14876592457703439737.txt'
[INFO] [stdout] 
[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-1569d7c9d4643881.long-type-11061795560836825235.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStreamExt`
[INFO] [stdout]  --> tests/stream_into_async_read.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::stream::{self, TryStreamExt};
[INFO] [stdout]   |                             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> tests/stream_into_async_read.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::io::{AsyncRead, AsyncBufRead};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncBufRead`
[INFO] [stdout]  --> tests/stream_into_async_read.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::io::{AsyncRead, AsyncBufRead};
[INFO] [stdout]   |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted
[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 `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-1569d7c9d4643881.long-type-7818994585867037319.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[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] [stderr] error: could not compile `futures-preview` (test "stream_into_async_read") due to 4 previous errors; 3 warnings emitted
[INFO] [stderr] error: could not compile `futures-preview` (test "eager_drop") due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "11f35eb3a7ba3b28c688bc81bf0c9db067be118036cf0e526799a0c66b086b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f35eb3a7ba3b28c688bc81bf0c9db067be118036cf0e526799a0c66b086b81", kill_on_drop: false }`
[INFO] [stdout] 11f35eb3a7ba3b28c688bc81bf0c9db067be118036cf0e526799a0c66b086b81
[INFO] testing futures-preview-0.3.0-alpha.19 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe309570802a749bf8d99eeb0c39a4bb26112b54f6ca1c77ae69dac3652ca370
[INFO] running `Command { std: "docker" "start" "-a" "fe309570802a749bf8d99eeb0c39a4bb26112b54f6ca1c77ae69dac3652ca370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe309570802a749bf8d99eeb0c39a4bb26112b54f6ca1c77ae69dac3652ca370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe309570802a749bf8d99eeb0c39a4bb26112b54f6ca1c77ae69dac3652ca370", kill_on_drop: false }`
[INFO] [stdout] fe309570802a749bf8d99eeb0c39a4bb26112b54f6ca1c77ae69dac3652ca370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0cfe8d50b8862c54be49a20f8d65535294067a06c07efa42e393308b4839d30
[INFO] running `Command { std: "docker" "start" "-a" "a0cfe8d50b8862c54be49a20f8d65535294067a06c07efa42e393308b4839d30", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "a0cfe8d50b8862c54be49a20f8d65535294067a06c07efa42e393308b4839d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0cfe8d50b8862c54be49a20f8d65535294067a06c07efa42e393308b4839d30", kill_on_drop: false }`
[INFO] [stdout] a0cfe8d50b8862c54be49a20f8d65535294067a06c07efa42e393308b4839d30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83e3fff7e32d90e51aae6691e510772ea181834b6225ddb5bd7a963ffa257e6d
[INFO] running `Command { std: "docker" "start" "-a" "83e3fff7e32d90e51aae6691e510772ea181834b6225ddb5bd7a963ffa257e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[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] [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] 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] 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] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/futures_ordered.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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] 5 | use futures_core::task::noop_context;
[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[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/basic_combinators.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | 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] 2 | use futures_core::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/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] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_to_string.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::io::AsyncReadTestExt;
[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::io::AsyncReadTestExt;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_to_string.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | 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] 7 | 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] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/stream_into_async_read.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::{task::noop_context, stream::StreamTestExt};
[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::noop_context, stream::StreamTestExt};
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `futures::pending`, `futures::poll`, `futures::join`, `futures::try_join`, `futures::select`
[INFO] [stdout]   --> tests/async_await_macros.rs:3:21
[INFO] [stdout]    |
[INFO] [stdout] 3  | use futures::{Poll, pending, pin_mut, poll, join, try_join, select};
[INFO] [stdout]    |                     ^^^^^^^           ^^^^  ^^^^  ^^^^^^^^  ^^^^^^ no `select` in the root
[INFO] [stdout]    |                     |                 |     |     |
[INFO] [stdout]    |                     |                 |     |     no `try_join` in the root
[INFO] [stdout]    |                     |                 |     no `join` in the root
[INFO] [stdout]    |                     |                 no `poll` in the root
[INFO] [stdout]    |                     |                 help: a similar name exists in the module: `Poll`
[INFO] [stdout]    |                     no `pending` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:76:24
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub use futures_util::{pending, poll}; // Async-await
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    = note: the item is gated behind the `async-await` feature
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:76:33
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub use futures_util::{pending, poll}; // Async-await
[INFO] [stdout]    |                                 ^^^^
[INFO] [stdout]    = note: the item is gated behind the `async-await` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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 "io_cursor") due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `futures-preview` (test "futures_ordered") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[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_writer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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] 5 | use futures_core::task::noop_context;
[INFO] [stdout]   |     ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "ready_queue") due to 2 previous errors
[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 `Map` in the current scope
[INFO] [stdout]   --> tests/basic_combinators.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fut.run_in_background(); // Start it
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ method not found in `Map<Map<Then<Ready<{integer}>, Ready<{integer}>, {closure@basic_combinators.rs:12:15}>, ...>, ...>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/basic_combinators-20522da8af4b345d.long-type-16893922360754579229.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::sink::SinkExt`
[INFO] [stdout]  --> tests/async_await_macros.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::sink::SinkExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead` in the current scope
[INFO] [stdout]   --> tests/io_read_to_string.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |       let mut buf = stream::iter(vec![&b"12"[..], &b"33"[..], &b"3"[..]])
[INFO] [stdout]    |  ___________________-
[INFO] [stdout] 39 | |         .map(Ok)
[INFO] [stdout] 40 | |         .into_async_read()
[INFO] [stdout] 41 | |         .interleave_pending();
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<Map<Iter<IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], Error> {Result::<&[u8], Error>::Ok}>>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | 
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/io_read_to_string-61a459ccf554ff51.long-type-4182853830144061448.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[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 `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] [stderr] error: could not compile `futures-preview` (test "async_await_macros") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `futures-preview` (test "io_read_to_string") due to 4 previous errors
[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] error[E0599]: no method named `interleave_pending` found for struct `Iter` in the current scope
[INFO] [stdout]   --> tests/stream_into_async_read.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut reader = stream.interleave_pending().into_async_read();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ method not found in `Iter<FlatMap<RangeInclusive<{integer}>, Vec<Result<Vec<{integer}>, _>>, ...>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/stream_into_async_read-6255376b368326cd.long-type-11425050631335153699.txt'
[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: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: aborting due to 6 previous errors
[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: aborting due to 1 previous error
[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 "io_buf_writer") due to 2 previous errors
[INFO] [stderr] error: could not compile `futures-preview` (test "oneshot") due to 7 previous errors
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `Map` in the current scope
[INFO] [stdout]   --> tests/basic_combinators.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fut.run_in_background(); // Start it
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ method not found in `Map<MapErr<MapOk<OrElse<AndThen<Map<MapErr<MapOk<..., ...>, ...>, ...>, ..., ...>, ..., ...>, ...>, ...>, ...>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/basic_combinators-20522da8af4b345d.long-type-8889137584336395760.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[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 `interleave_pending` found for struct `Iter` in the current scope
[INFO] [stdout]   --> tests/stream_into_async_read.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut reader = stream.interleave_pending().into_async_read();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ method not found in `Iter<FlatMap<RangeInclusive<{integer}>, Vec<Result<Vec<{integer}>, _>>, ...>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full type name has been written to '/opt/rustwide/target/debug/deps/stream_into_async_read-6255376b368326cd.long-type-7058587445552175635.txt'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-preview` (test "basic_combinators") due to 4 previous errors
[INFO] [stdout] warning: unused import: `TryStreamExt`
[INFO] [stdout]  --> tests/stream_into_async_read.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::stream::{self, TryStreamExt};
[INFO] [stdout]   |                             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> tests/stream_into_async_read.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::io::{AsyncRead, AsyncBufRead};
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncBufRead`
[INFO] [stdout]  --> tests/stream_into_async_read.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::io::{AsyncRead, AsyncBufRead};
[INFO] [stdout]   |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 warnings emitted
[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] [stderr] error: could not compile `futures-preview` (test "sink") due to 2 previous errors
[INFO] [stderr] error: could not compile `futures-preview` (test "stream_into_async_read") due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "83e3fff7e32d90e51aae6691e510772ea181834b6225ddb5bd7a963ffa257e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e3fff7e32d90e51aae6691e510772ea181834b6225ddb5bd7a963ffa257e6d", kill_on_drop: false }`
[INFO] [stdout] 83e3fff7e32d90e51aae6691e510772ea181834b6225ddb5bd7a963ffa257e6d
