[INFO] fetching crate futures-preview 0.3.0-alpha.19...
[INFO] testing futures-preview-0.3.0-alpha.19 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82761eee60b13791fb0fcf7d3cfbdc84d1b7cef6df27c5f070d462c1942f368e
[INFO] running `Command { std: "docker" "start" "-a" "82761eee60b13791fb0fcf7d3cfbdc84d1b7cef6df27c5f070d462c1942f368e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82761eee60b13791fb0fcf7d3cfbdc84d1b7cef6df27c5f070d462c1942f368e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82761eee60b13791fb0fcf7d3cfbdc84d1b7cef6df27c5f070d462c1942f368e", kill_on_drop: false }`
[INFO] [stdout] 82761eee60b13791fb0fcf7d3cfbdc84d1b7cef6df27c5f070d462c1942f368e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 038d91c28b463850b2d116f0bb91e8d05f270e1650ba83fd3d747174c8f875cf
[INFO] running `Command { std: "docker" "start" "-a" "038d91c28b463850b2d116f0bb91e8d05f270e1650ba83fd3d747174c8f875cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[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 6.77s
[INFO] running `Command { std: "docker" "inspect" "038d91c28b463850b2d116f0bb91e8d05f270e1650ba83fd3d747174c8f875cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038d91c28b463850b2d116f0bb91e8d05f270e1650ba83fd3d747174c8f875cf", kill_on_drop: false }`
[INFO] [stdout] 038d91c28b463850b2d116f0bb91e8d05f270e1650ba83fd3d747174c8f875cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eb764ecb4985fc8228a06ffa52abb9e32db12676b38bc6c6299fb3191006d20
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8eb764ecb4985fc8228a06ffa52abb9e32db12676b38bc6c6299fb3191006d20", 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] 
[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] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_until.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] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/io_read_until.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] 
[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] 
[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]   |     ^^^^^^^^^^^^^^ use of undeclared crate or module `assert_matches`
[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] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[1, 2]), Poll::Ready(Ok(2)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[3, 4]), Poll::Ready(Ok(2)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[5, 6]), Poll::Ready(Ok(1)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_matches`
[INFO] [stdout]   --> tests/io_cursor.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         assert_matches!(Pin::new(&mut cursor).poll_write(cx, &[6, 7]), Poll::Ready(Ok(0)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[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] 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/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] 
[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] 
[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] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_test`
[INFO] [stdout]  --> tests/unfold.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] 
[INFO] [stdout] error[E0432]: unresolved import `futures_test`
[INFO] [stdout]  --> tests/unfold.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_test::{
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `futures_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_pending`
[INFO] [stdout]   --> tests/unfold.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     assert_stream_pending!(stream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]   --> tests/unfold.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     assert_stream_next!(stream, 0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_pending`
[INFO] [stdout]   --> tests/unfold.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     assert_stream_pending!(stream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]   --> tests/unfold.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     assert_stream_next!(stream, 2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_pending`
[INFO] [stdout]   --> tests/unfold.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     assert_stream_pending!(stream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stdout]   --> tests/unfold.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     assert_stream_next!(stream, 4);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_pending`
[INFO] [stdout]   --> tests/unfold.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert_stream_pending!(stream);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_stream_done`
[INFO] [stdout]   --> tests/unfold.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     assert_stream_done!(stream);
[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/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] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/io_read_until.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/io_lines.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/io_read_line.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/stream_select_all.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/futures_ordered.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 |     assert!(stream.poll_next_unpin(&mut noop_context()).is_pending());
[INFO] [stdout]    |                                         ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/futures_ordered.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut cx = noop_context();
[INFO] [stdout]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/futures_ordered.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let cx = &mut noop_context();
[INFO] [stdout]    |                   ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_writer.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let mut cx = noop_context();
[INFO] [stdout]     |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[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_until.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut buf = b"12".interleave_pending();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ method not found in `&'static [u8; 2]`
[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 `&'static [u8; 2]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead<futures::stream::Map<futures::stream::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] [stdout]   --> tests/io_read_line.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |         .interleave_pending();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready<Option<({integer}, {integer})>>` in the current scope
[INFO] [stdout]   --> tests/unfold.rs:13:57
[INFO] [stdout]    |
[INFO] [stdout] 13 |             future::ready(Some((state * 2, state + 1))).pending_once()
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^ method not found in `futures::future::Ready<Option<({integer}, {integer})>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36]>` 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 `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `pending_once` found for struct `futures::future::Ready<Option<_>>` in the current scope
[INFO] [stdout]   --> tests/unfold.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 15 |             future::ready(None).pending_once()
[INFO] [stdout]    |                                 ^^^^^^^^^^^^ method not found in `futures::future::Ready<Option<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:24:16: 24:45]>` 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 `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:24:16: 24:45]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 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] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:33:16: 33:45]>` 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 `futures::future::MapOk<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:33:16: 33:45]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:44:13: 44:52]>` 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 `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:44:13: 44:52]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:55:13: 55:52]>` 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 `futures::future::Map<futures::channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:55:13: 55:52]>`
[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[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead<futures::stream::Map<futures::stream::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] [stdout]   --> tests/io_read_until.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |         .interleave_pending();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead<futures::stream::Map<futures::stream::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] [stdout]   --> tests/io_lines.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .interleave_pending();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead<futures::stream::Map<futures::stream::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] [stdout]   --> tests/io_lines.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |         .interleave_pending();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8eb764ecb4985fc8228a06ffa52abb9e32db12676b38bc6c6299fb3191006d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb764ecb4985fc8228a06ffa52abb9e32db12676b38bc6c6299fb3191006d20", kill_on_drop: false }`
[INFO] [stdout] 8eb764ecb4985fc8228a06ffa52abb9e32db12676b38bc6c6299fb3191006d20