[INFO] fetching crate tokio-util 0.7.20...
[INFO] testing tokio-util-0.7.20 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate tokio-util 0.7.20 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tokio-util 0.7.20
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tokio-util 0.7.20
[INFO] tweaked toml for crates.io crate tokio-util 0.7.20 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-util 0.7.20 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tokio-util 0.7.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94
[INFO] running `Command { std: "docker" "start" "357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.53.2
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling tokio-util v0.7.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling memchr v2.8.1
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.4
[INFO] [stderr]    Compiling mio v1.2.1
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling tokio v1.53.2
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling pin-project-internal v1.1.13
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling pin-project v1.1.13
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling futures-test v0.3.32
[INFO] [stderr]    Compiling tokio-stream v0.1.19
[INFO] [stderr]    Compiling tokio-util v0.7.20 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-test v0.4.6
[INFO] [stdout] error: run tokio-util tests with `--features full`
[INFO] [stdout]  --> tests/_require_full.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | compile_error!("run tokio-util tests with `--features full`");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-util` (test "_require_full") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `tokio_util::task`
[INFO] [stdout]   --> tests/task_join_queue.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio_util::task::JoinQueue;
[INFO] [stdout]    |                 ^^^^ could not find `task` in `tokio_util`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[cfg(feature = "rt")]
[INFO] [stdout]    |       -------------- the item is gated behind the `rt` feature
[INFO] [stdout] 51 | pub mod task;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio_util::codec`
[INFO] [stdout]   --> tests/framed_stream.rs:4:17
[INFO] [stdout]    |
[INFO] [stdout]  4 | use tokio_util::codec::{BytesCodec, FramedRead};
[INFO] [stdout]    |                 ^^^^^ could not find `codec` in `tokio_util`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub mod codec;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/cfg.rs:4:19
[INFO] [stdout]    |
[INFO] [stdout]  4 |             #[cfg(feature = "codec")]
[INFO] [stdout]    |                   ----------------- the item is gated behind the `codec` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio_util::io`
[INFO] [stdout]   --> tests/io_inspect.rs:8:17
[INFO] [stdout]    |
[INFO] [stdout]  8 | use tokio_util::io::{InspectReader, InspectWriter};
[INFO] [stdout]    |                 ^^ could not find `io` in `tokio_util`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub mod io;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/cfg.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |             #[cfg(feature = "io")]
[INFO] [stdout]    |                   -------------- the item is gated behind the `io` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]   --> tests/task_join_queue.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert_eq!(output.unwrap().unwrap(), 42);
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider providing a type annotation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout]    = note: `#[warn(method_call_on_diverging_infer_var)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio_util::task`
[INFO] [stdout]   --> tests/abort_on_drop.rs:2:17
[INFO] [stdout]    |
[INFO] [stdout]  2 | use tokio_util::task::{AbortOnDrop, AbortOnDropHandle};
[INFO] [stdout]    |                 ^^^^ could not find `task` in `tokio_util`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[cfg(feature = "rt")]
[INFO] [stdout]    |       -------------- the item is gated behind the `rt` feature
[INFO] [stdout] 51 | pub mod task;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio_util::task`
[INFO] [stdout]   --> tests/task_tracker.rs:8:17
[INFO] [stdout]    |
[INFO] [stdout]  8 | use tokio_util::task::TaskTracker;
[INFO] [stdout]    |                 ^^^^ could not find `task` in `tokio_util`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[cfg(feature = "rt")]
[INFO] [stdout]    |       -------------- the item is gated behind the `rt` feature
[INFO] [stdout] 51 | pub mod task;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]   --> tests/task_join_queue.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert_eq!(output.unwrap().unwrap(), 42);
[INFO] [stdout]    |                       ^^^^^^ method not found in `_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]   --> tests/framed_stream.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! assert_read {
[INFO] [stdout] ...
[INFO] [stdout] 15 |         assert_eq!(val.unwrap().unwrap(), $n);
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |         assert_read!(pin!(io).poll_next(cx), b"abcdef".to_vec());
[INFO] [stdout]    |         -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider providing a type annotation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout]    = note: `#[warn(method_call_on_diverging_infer_var)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]   --> tests/framed_stream.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! assert_read {
[INFO] [stdout] ...
[INFO] [stdout] 15 |         assert_eq!(val.unwrap().unwrap(), $n);
[INFO] [stdout]    |                        ^^^^^^ method not found in `_`
[INFO] [stdout] ...
[INFO] [stdout] 33 |         assert_read!(pin!(io).poll_next(cx), b"abcdef".to_vec());
[INFO] [stdout]    |         -------------------------------------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio_util::task`
[INFO] [stdout]   --> tests/spawn_pinned.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | use tokio_util::task;
[INFO] [stdout]    |     ^^^^^^^^^^^^----
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 no `task` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[cfg(feature = "rt")]
[INFO] [stdout]    |       -------------- the item is gated behind the `rt` feature
[INFO] [stdout] 51 | pub mod task;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] help: consider importing this module instead
[INFO] [stdout]    |
[INFO] [stdout]  7 - use tokio_util::task;
[INFO] [stdout]  7 + use std::task;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio_util::io`
[INFO] [stdout]   --> tests/io_simplex.rs:8:17
[INFO] [stdout]    |
[INFO] [stdout]  8 | use tokio_util::io::simplex;
[INFO] [stdout]    |                 ^^ could not find `io` in `tokio_util`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub mod io;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/cfg.rs:34:19
[INFO] [stdout]    |
[INFO] [stdout] 34 |             #[cfg(feature = "io")]
[INFO] [stdout]    |                   -------------- the item is gated behind the `io` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]   --> tests/framed_stream.rs:34:55
[INFO] [stdout]    |
[INFO] [stdout] 34 |         assert!(assert_ready!(pin!(io).poll_next(cx)).unwrap().is_err());
[INFO] [stdout]    |                                                       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider providing a type annotation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]   --> tests/framed_stream.rs:34:55
[INFO] [stdout]    |
[INFO] [stdout] 34 |         assert!(assert_ready!(pin!(io).poll_next(cx)).unwrap().is_err());
[INFO] [stdout]    |                                                       ^^^^^^ method not found in `_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]   --> tests/framed_stream.rs:35:55
[INFO] [stdout]    |
[INFO] [stdout] 35 |         assert!(assert_ready!(pin!(io).poll_next(cx)).is_none());
[INFO] [stdout]    |                                                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider providing a type annotation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::pin_mut`
[INFO] [stdout]  --> tests/io_simplex.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::pin_mut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::task::Poll`
[INFO] [stdout]  --> tests/io_simplex.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::task::Poll;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_none` found for type `_` in the current scope
[INFO] [stdout]   --> tests/framed_stream.rs:35:55
[INFO] [stdout]    |
[INFO] [stdout] 35 |         assert!(assert_ready!(pin!(io).poll_next(cx)).is_none());
[INFO] [stdout]    |                                                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `is_minus_one` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 35 -         assert!(assert_ready!(pin!(io).poll_next(cx)).is_none());
[INFO] [stdout] 35 +         assert!(assert_ready!(pin!(io).poll_next(cx)).is_minus_one());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]   --> tests/framed_stream.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! assert_read {
[INFO] [stdout] ...
[INFO] [stdout] 15 |         assert_eq!(val.unwrap().unwrap(), $n);
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |         assert_read!(pin!(io).poll_next(cx), b"more data".to_vec());
[INFO] [stdout]    |         ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider providing a type annotation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]   --> tests/framed_stream.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! assert_read {
[INFO] [stdout] ...
[INFO] [stdout] 15 |         assert_eq!(val.unwrap().unwrap(), $n);
[INFO] [stdout]    |                        ^^^^^^ method not found in `_`
[INFO] [stdout] ...
[INFO] [stdout] 36 |         assert_read!(pin!(io).poll_next(cx), b"more data".to_vec());
[INFO] [stdout]    |         ----------------------------------------------------------- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-util` (test "spawn_pinned") due to 1 previous error
[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] [stderr] error: could not compile `tokio-util` (test "framed_stream") due to 5 previous errors; 8 warnings emitted
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]    --> tests/task_join_queue.rs:304:14
[INFO] [stdout]     |
[INFO] [stdout] 304 |             .unwrap()
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider providing a type annotation
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]    --> tests/task_join_queue.rs:304:14
[INFO] [stdout]     |
[INFO] [stdout] 303 |         assert_ready!(queue.poll_join_next(&mut cx))
[INFO] [stdout] 304 |             .unwrap()
[INFO] [stdout]     |              ^^^^^^ method not found in `_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]    --> tests/task_join_queue.rs:331:10
[INFO] [stdout]     |
[INFO] [stdout] 331 |         .unwrap()
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider providing a type annotation
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]    --> tests/task_join_queue.rs:331:10
[INFO] [stdout]     |
[INFO] [stdout] 330 |     let (_, output) = assert_ready!(queue.poll_join_next_with_id(&mut cx))
[INFO] [stdout] 331 |         .unwrap()
[INFO] [stdout]     |          ^^^^^^ method not found in `_`
[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] [stderr] error: could not compile `tokio-util` (test "task_join_queue") due to 4 previous errors; 6 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-util` (test "io_inspect") due to 1 previous error
[INFO] [stderr] error: could not compile `tokio-util` (test "abort_on_drop") due to 1 previous error
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]   --> tests/io_simplex.rs:96:73
[INFO] [stdout]    |
[INFO] [stdout] 96 |     assert_ready!(rx.as_mut().poll_read(&mut noop_context(), &mut buf)).unwrap();
[INFO] [stdout]    |                                                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider providing a type annotation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout]    = note: `#[warn(method_call_on_diverging_infer_var)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]   --> tests/io_simplex.rs:96:73
[INFO] [stdout]    |
[INFO] [stdout] 96 |     assert_ready!(rx.as_mut().poll_read(&mut noop_context(), &mut buf)).unwrap();
[INFO] [stdout]    |                                                                         ^^^^^^ method not found in `_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]    --> tests/io_simplex.rs:106:77
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let n = assert_ready!(tx.as_mut().poll_write(&mut noop_context(), &[])).unwrap();
[INFO] [stdout]     |                                                                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider providing a type annotation
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]    --> tests/io_simplex.rs:106:77
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let n = assert_ready!(tx.as_mut().poll_write(&mut noop_context(), &[])).unwrap();
[INFO] [stdout]     |                                                                             ^^^^^^ method not found in `_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]    --> tests/io_simplex.rs:287:32
[INFO] [stdout]     |
[INFO] [stdout] 287 |     let n = assert_ready!(res).unwrap();
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider providing a type annotation
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]    --> tests/io_simplex.rs:287:32
[INFO] [stdout]     |
[INFO] [stdout] 287 |     let n = assert_ready!(res).unwrap();
[INFO] [stdout]     |                                ^^^^^^ method not found in `_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]    --> tests/io_simplex.rs:310:32
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let n = assert_ready!(res).unwrap();
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider providing a type annotation
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]    --> tests/io_simplex.rs:310:32
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let n = assert_ready!(res).unwrap();
[INFO] [stdout]     |                                ^^^^^^ method not found in `_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]    --> tests/io_simplex.rs:339:32
[INFO] [stdout]     |
[INFO] [stdout] 339 |     let n = assert_ready!(res).unwrap();
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider providing a type annotation
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]    --> tests/io_simplex.rs:339:32
[INFO] [stdout]     |
[INFO] [stdout] 339 |     let n = assert_ready!(res).unwrap();
[INFO] [stdout]     |                                ^^^^^^ method not found in `_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]    --> tests/io_simplex.rs:354:83
[INFO] [stdout]     |
[INFO] [stdout] 354 |     let n = assert_ready!(tx.poll_write_vectored(&mut noop_context(), io_slices)).unwrap();
[INFO] [stdout]     |                                                                                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider providing a type annotation
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]    --> tests/io_simplex.rs:354:83
[INFO] [stdout]     |
[INFO] [stdout] 354 |     let n = assert_ready!(tx.poll_write_vectored(&mut noop_context(), io_slices)).unwrap();
[INFO] [stdout]     |                                                                                   ^^^^^^ method not found in `_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]    --> tests/io_simplex.rs:367:83
[INFO] [stdout]     |
[INFO] [stdout] 367 |     let n = assert_ready!(tx.poll_write_vectored(&mut noop_context(), io_slices)).unwrap();
[INFO] [stdout]     |                                                                                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider providing a type annotation
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `_` in the current scope
[INFO] [stdout]    --> tests/io_simplex.rs:367:83
[INFO] [stdout]     |
[INFO] [stdout] 367 |     let n = assert_ready!(tx.poll_write_vectored(&mut noop_context(), io_slices)).unwrap();
[INFO] [stdout]     |                                                                                   ^^^^^^ method not found in `_`
[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] [stderr] error: could not compile `tokio-util` (test "io_simplex") due to 8 previous errors; 16 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-util` (test "task_tracker") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94", kill_on_drop: false }`
[INFO] [stdout] 357c9abde85eceffbd1f73f00841fcf33531d5f4e32543a27454daa2afd63b94
