[INFO] fetching crate tokio-par-util 0.2.0...
[INFO] checking tokio-par-util-0.2.0 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] extracting crate tokio-par-util 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tokio-par-util 0.2.0
[INFO] finished tweaking crates.io crate tokio-par-util 0.2.0
[INFO] tweaked toml for crates.io crate tokio-par-util 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-par-util 0.2.0 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1bc7617db6eda2350d0cb01ee62d37713c1b77bfb3009d5e436e6016118d800
[INFO] running `Command { std: "docker" "start" "-a" "f1bc7617db6eda2350d0cb01ee62d37713c1b77bfb3009d5e436e6016118d800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1bc7617db6eda2350d0cb01ee62d37713c1b77bfb3009d5e436e6016118d800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1bc7617db6eda2350d0cb01ee62d37713c1b77bfb3009d5e436e6016118d800", kill_on_drop: false }`
[INFO] [stdout] f1bc7617db6eda2350d0cb01ee62d37713c1b77bfb3009d5e436e6016118d800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 852d0224ad107cc2885b2c587c272b31ff738d9f3c34cd48c701f4122005218a
[INFO] running `Command { std: "docker" "start" "-a" "852d0224ad107cc2885b2c587c272b31ff738d9f3c34cd48c701f4122005218a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking tokio-par-util v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |     FutBuffer: FutureBuffer<IntoTasks<St>>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FutureBuffer`
[INFO] [stdout]   --> src/stream/future_buffer.rs:7:36
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait FutureBuffer<St>: Stream<Item = <St::Item as Future>::Output>
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `FutureBuffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |     FutBuffer: FutureBuffer<IntoTasks<St>>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FutureBuffer`
[INFO] [stdout]   --> src/stream/future_buffer.rs:7:36
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait FutureBuffer<St>: Stream<Item = <St::Item as Future>::Output>
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `FutureBuffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl<St, FutBuffer> Stream for ParallelBuffer<St, FutBuffer>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]    |
[INFO] [stdout] note: required for `ParallelBuffer<St, FutBuffer>` to implement `Stream`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl<St, FutBuffer> Stream for ParallelBuffer<St, FutBuffer>
[INFO] [stdout]    |                     ^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     FutBuffer: Stream<Item = Result<Option<<St::Item as Future>::Output>, TaskError>>,
[INFO] [stdout]    |                       -------------------------------------------------------------- unsatisfied trait bound introduced here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl<St, FutBuffer> Stream for ParallelBuffer<St, FutBuffer>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]    |
[INFO] [stdout] note: required for `ParallelBuffer<St, FutBuffer>` to implement `Stream`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl<St, FutBuffer> Stream for ParallelBuffer<St, FutBuffer>
[INFO] [stdout]    |                     ^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     FutBuffer: Stream<Item = Result<Option<<St::Item as Future>::Output>, TaskError>>,
[INFO] [stdout]    |                       -------------------------------------------------------------- unsatisfied trait bound introduced here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:89:65
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]    |
[INFO] [stdout] note: required for `ParallelBuffer<St, FutBuffer>` to implement `Stream`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl<St, FutBuffer> Stream for ParallelBuffer<St, FutBuffer>
[INFO] [stdout]    |                     ^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     FutBuffer: Stream<Item = Result<Option<<St::Item as Future>::Output>, TaskError>>,
[INFO] [stdout]    |                       -------------------------------------------------------------- unsatisfied trait bound introduced here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     FutBuffer: FutureBuffer<IntoTasks<St>>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FutureBuffer`
[INFO] [stdout]   --> src/stream/future_buffer.rs:7:36
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait FutureBuffer<St>: Stream<Item = <St::Item as Future>::Output>
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `FutureBuffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:89:65
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]    |
[INFO] [stdout] note: required for `ParallelBuffer<St, FutBuffer>` to implement `Stream`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl<St, FutBuffer> Stream for ParallelBuffer<St, FutBuffer>
[INFO] [stdout]    |                     ^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     FutBuffer: Stream<Item = Result<Option<<St::Item as Future>::Output>, TaskError>>,
[INFO] [stdout]    |                       -------------------------------------------------------------- unsatisfied trait bound introduced here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     FutBuffer: FutureBuffer<IntoTasks<St>>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `FutureBuffer`
[INFO] [stdout]   --> src/stream/future_buffer.rs:7:36
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait FutureBuffer<St>: Stream<Item = <St::Item as Future>::Output>
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `FutureBuffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]    --> src/stream/parallel_buffer.rs:58:22
[INFO] [stdout]     |
[INFO] [stdout]  58 |           let buffer = assert_stream::<Result<Option<<St::Item as Future>::Output>, TaskError>, _>(
[INFO] [stdout]     |  ______________________^
[INFO] [stdout]  59 | |             FutBuffer::buffer(stream, limit),
[INFO] [stdout]  60 | |         );
[INFO] [stdout]     | |_________^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `assert_stream`
[INFO] [stdout]    --> src/stream.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub(crate) fn assert_stream<A, S>(stream: S) -> S
[INFO] [stdout]     |               ------------- required by a bound in this function
[INFO] [stdout] 122 | where
[INFO] [stdout] 123 |     S: Stream<Item = A>,
[INFO] [stdout]     |               ^^^^^^^^ required by this bound in `assert_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |             match stream.poll_next(cx) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]    --> src/stream/parallel_buffer.rs:58:22
[INFO] [stdout]     |
[INFO] [stdout]  58 |           let buffer = assert_stream::<Result<Option<<St::Item as Future>::Output>, TaskError>, _>(
[INFO] [stdout]     |  ______________________^
[INFO] [stdout]  59 | |             FutBuffer::buffer(stream, limit),
[INFO] [stdout]  60 | |         );
[INFO] [stdout]     | |_________^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `assert_stream`
[INFO] [stdout]    --> src/stream.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub(crate) fn assert_stream<A, S>(stream: S) -> S
[INFO] [stdout]     |               ------------- required by a bound in this function
[INFO] [stdout] 122 | where
[INFO] [stdout] 123 |     S: Stream<Item = A>,
[INFO] [stdout]     |               ^^^^^^^^ required by this bound in `assert_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout]   --> src/stream/parallel_buffer.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |             match stream.poll_next(cx) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^ cannot normalize `<FutBuffer as Stream>::Item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-par-util` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-par-util` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "852d0224ad107cc2885b2c587c272b31ff738d9f3c34cd48c701f4122005218a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852d0224ad107cc2885b2c587c272b31ff738d9f3c34cd48c701f4122005218a", kill_on_drop: false }`
[INFO] [stdout] 852d0224ad107cc2885b2c587c272b31ff738d9f3c34cd48c701f4122005218a
