[INFO] fetching crate futures-preview 0.3.0-alpha.19...
[INFO] building futures-preview-0.3.0-alpha.19 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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] 15a812d83064c211a9df740b987babb78841ccd5758ffa07bf9b88d3c505af38
[INFO] running `Command { std: "docker" "start" "-a" "15a812d83064c211a9df740b987babb78841ccd5758ffa07bf9b88d3c505af38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15a812d83064c211a9df740b987babb78841ccd5758ffa07bf9b88d3c505af38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15a812d83064c211a9df740b987babb78841ccd5758ffa07bf9b88d3c505af38", kill_on_drop: false }`
[INFO] [stdout] 15a812d83064c211a9df740b987babb78841ccd5758ffa07bf9b88d3c505af38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3057cfe0921238a6c92c3d764bdfb9073d95aaa4cad429269ff593c5be430e3e
[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" "3057cfe0921238a6c92c3d764bdfb9073d95aaa4cad429269ff593c5be430e3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[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 futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num_cpus v1.13.0
[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 8.22s
[INFO] running `Command { std: "docker" "inspect" "3057cfe0921238a6c92c3d764bdfb9073d95aaa4cad429269ff593c5be430e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3057cfe0921238a6c92c3d764bdfb9073d95aaa4cad429269ff593c5be430e3e", kill_on_drop: false }`
[INFO] [stdout] 3057cfe0921238a6c92c3d764bdfb9073d95aaa4cad429269ff593c5be430e3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 099197fc8bcb925eb0160fe65408ae971d6f1ac7c5bebb57cde01b084fd2959e
[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" "099197fc8bcb925eb0160fe65408ae971d6f1ac7c5bebb57cde01b084fd2959e", 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_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_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] 
[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] 
[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/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] 
[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/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[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[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[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: 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/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/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] 
[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] 
[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: 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_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[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] [stdout] error[E0432]: unresolved import `pin_utils`
[INFO] [stdout]  --> tests/split.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[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: cannot determine resolution for the macro `unsafe_pinned`
[INFO] [stdout]   --> tests/split.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     unsafe_pinned!(stream: T);
[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 `unsafe_pinned`
[INFO] [stdout]   --> tests/split.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     unsafe_pinned!(sink: U);
[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/mutex.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures_test::future::FutureTestExt;
[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/mutex.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_test::task::{panic_context, new_count_waker};
[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/ready_queue.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |             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_read_to_string.rs:28:18
[INFO] [stdout]    |
[INFO] [stdout] 28 |     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] [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[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]) -> Result<&[u8], std::io::Error> {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]) -> Result<&[u8], std::io::Error> {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[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/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_buf_reader.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut cx = noop_context();
[INFO] [stdout]    |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 93 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stdout]    |                --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut cx = noop_context();
[INFO] [stdout]    |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 95 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stdout]    |                --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]   --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut cx = noop_context();
[INFO] [stdout]    |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 97 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[1, 2][..]));
[INFO] [stdout]    |                --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:41:22
[INFO] [stdout]     |
[INFO] [stdout] 41  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 107 |     assert!(run_seek_relative!(reader, 3).is_ok());
[INFO] [stdout]     |             ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 108 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:41:22
[INFO] [stdout]     |
[INFO] [stdout] 41  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 109 |     assert!(run_seek_relative!(reader, 0).is_ok());
[INFO] [stdout]     |             ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 110 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:41:22
[INFO] [stdout]     |
[INFO] [stdout] 41  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 111 |     assert!(run_seek_relative!(reader, 1).is_ok());
[INFO] [stdout]     |             ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 112 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[1][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:41:22
[INFO] [stdout]     |
[INFO] [stdout] 41  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 113 |     assert!(run_seek_relative!(reader, -1).is_ok());
[INFO] [stdout]     |             ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 114 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:41:22
[INFO] [stdout]     |
[INFO] [stdout] 41  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 115 |     assert!(run_seek_relative!(reader, 2).is_ok());
[INFO] [stdout]     |             ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 116 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[2, 3][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 124 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[5, 6, 7][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:41:22
[INFO] [stdout]     |
[INFO] [stdout] 41  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 131 |     assert!(run_seek_relative!(reader, -2).is_ok());
[INFO] [stdout]     |             ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 142 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[5, 6, 7][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:41:22
[INFO] [stdout]     |
[INFO] [stdout] 41  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 147 |     assert!(run_seek_relative!(reader, -2).is_ok());
[INFO] [stdout]     |             ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 187 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1, 2, 3, 4][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 189 |     assert_eq!(run_fill_buf!(reader).ok().map(|s| s.len()), Some(5));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 193 |     assert_eq!(run_fill_buf!(reader).ok().map(|s| s.len()), Some(5));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:260:18
[INFO] [stdout]     |
[INFO] [stdout] 260 |     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_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 376 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 378 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[0, 1][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stdout]    --> tests/io_buf_reader.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout] 30  |         let mut cx = noop_context();
[INFO] [stdout]     |                      ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 380 |     assert_eq!(run_fill_buf!(reader).ok(), Some(&[1, 2][..]));
[INFO] [stdout]     |                --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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_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 struct `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], std::io::Error> {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]) -> Result<&[u8], std::io::Error> {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[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]   --> tests/mutex.rs:14:46
[INFO] [stdout]    |
[INFO] [stdout] 14 |         assert!(mutex.lock().poll_unpin(&mut panic_context()).is_ready());
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `new_count_waker` in this scope
[INFO] [stdout]   --> tests/mutex.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let (waker, counter) = new_count_waker();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]   --> tests/mutex.rs:22:45
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let lock = mutex.lock().poll_unpin(&mut panic_context());
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stdout]   --> tests/mutex.rs:33:36
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert!(waiter.poll_unpin(&mut panic_context()).is_ready());
[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[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], std::io::Error> {Result::<&[u8], std::io::Error>::Ok}>>` in the current scope
[INFO] [stdout]   --> tests/io_read_to_string.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |         .interleave_pending();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^ method not found in `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], std::io::Error> {Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `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 `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 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 `stream` found for struct `Pin<&mut Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.stream().poll_next(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 `sink` found for struct `Pin<&mut Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:36:14
[INFO] [stdout]    |
[INFO] [stdout] 36 |         self.sink().poll_ready(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 `run_in_background` found for struct `futures::future::Map<futures::future::MapOk<futures::future::Ready<Result<i32, i32>>, [closure@tests/eager_drop.rs:17:17: 17:71]>, [closure@tests/eager_drop.rs:18:14: 21:10]>` in the current scope
[INFO] [stdout]   --> tests/eager_drop.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |         .run_in_background();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures::future::Map<futures::future::MapOk<futures::future::Ready<Result<i32, i32>>, [closure@tests/eager_drop.rs:17:17: 17:71]>, [closure@tests/eager_drop.rs:18:14: 21:10]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sink` found for struct `Pin<&mut Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |         self.sink().start_send(item)
[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 `sink` found for struct `Pin<&mut Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |         self.sink().poll_flush(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 `run_in_background` found for struct `futures::future::Map<futures::future::MapErr<futures::future::Ready<Result<i32, i32>>, [closure@tests/eager_drop.rs:35:18: 35:72]>, [closure@tests/eager_drop.rs:36:14: 39:10]>` in the current scope
[INFO] [stdout]   --> tests/eager_drop.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |         .run_in_background();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures::future::Map<futures::future::MapErr<futures::future::Ready<Result<i32, i32>>, [closure@tests/eager_drop.rs:35:18: 35:72]>, [closure@tests/eager_drop.rs:36:14: 39:10]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sink` found for struct `Pin<&mut Join<T, U>>` in the current scope
[INFO] [stdout]   --> tests/split.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         self.sink().poll_close(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 `pending_once` found for struct `futures::future::Ready<()>` in the current scope
[INFO] [stdout]   --> tests/mutex.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |             ready(()).pending_once().await;
[INFO] [stdout]    |                       ^^^^^^^^^^^^ method not found in `futures::future::Ready<()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[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]    |              ^^^^^^-- help: remove the arguments
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut lock = mutex.lock().await;
[INFO] [stdout]    |                 ^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             ready(()).pending_once().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |         for _ in 0..num_tasks {
[INFO] [stdout]    |                  ^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let () = rx.next().await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:61:21
[INFO] [stdout]    |
[INFO] [stdout] 61 |         for _ in 0..num_tasks {
[INFO] [stdout]    |                     ^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let () = rx.next().await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |         for _ in 0..num_tasks {
[INFO] [stdout]    |                  ^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let () = rx.next().await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:61:18
[INFO] [stdout]    |
[INFO] [stdout] 61 |         for _ in 0..num_tasks {
[INFO] [stdout]    |                  ^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let () = rx.next().await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> tests/mutex.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> tests/mutex.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let lock = mutex.lock().await;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599, E0698.
[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::Then<FutureData<UnwrapOrElse<futures::channel::oneshot::Receiver<()>, [closure@tests/eager_drop.rs:68:57: 68:73]>, std::sync::mpsc::Sender<()>>, futures::future::Ready<()>, [closure@tests/eager_drop.rs:69:15: 73:10]>` in the current scope
[INFO] [stdout]   --> tests/eager_drop.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |         .run_in_background();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures::future::Then<FutureData<UnwrapOrElse<futures::channel::oneshot::Receiver<()>, [closure@tests/eager_drop.rs:68:57: 68:73]>, std::sync::mpsc::Sender<()>>, futures::future::Ready<()>, [closure@tests/eager_drop.rs:69:15: 73:10]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `run_in_background` found for struct `futures::future::AndThen<FutureData<UnwrapOrElse<futures::channel::oneshot::Receiver<Result<(), ()>>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures::future::Ready<Result<(), ()>>, [closure@tests/eager_drop.rs:88:19: 92:10]>` in the current scope
[INFO] [stdout]   --> tests/eager_drop.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 93 |         .run_in_background();
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures::future::AndThen<FutureData<UnwrapOrElse<futures::channel::oneshot::Receiver<Result<(), ()>>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures::future::Ready<Result<(), ()>>, [closure@tests/eager_drop.rs:88:19: 92:10]>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors
[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]) -> Result<&[u8], std::io::Error> {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]) -> Result<&[u8], std::io::Error> {Result::<&[u8], std::io::Error>::Ok}>>`
[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 `run_in_background` found for struct `futures::future::OrElse<FutureData<UnwrapOrElse<futures::channel::oneshot::Receiver<Result<(), ()>>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures::future::Ready<Result<(), ()>>, [closure@tests/eager_drop.rs:107:18: 111:10]>` in the current scope
[INFO] [stdout]    --> tests/eager_drop.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 |         .run_in_background();
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^ method not found in `futures::future::OrElse<FutureData<UnwrapOrElse<futures::channel::oneshot::Receiver<Result<(), ()>>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures::future::Ready<Result<(), ()>>, [closure@tests/eager_drop.rs:107:18: 111:10]>`
[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] [stdout] error[E0599]: no method named `interleave_pending` found for struct `IntoAsyncRead<futures::stream::Map<futures::stream::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> Result<&[u8], std::io::Error> {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]) -> Result<&[u8], std::io::Error> {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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "099197fc8bcb925eb0160fe65408ae971d6f1ac7c5bebb57cde01b084fd2959e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099197fc8bcb925eb0160fe65408ae971d6f1ac7c5bebb57cde01b084fd2959e", kill_on_drop: false }`
[INFO] [stdout] 099197fc8bcb925eb0160fe65408ae971d6f1ac7c5bebb57cde01b084fd2959e
