[INFO] crate async-ringbuffer 0.4.0 is already in cache
[INFO] extracting crate async-ringbuffer 0.4.0 into work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/async-ringbuffer/0.4.0
[INFO] extracting crate async-ringbuffer 0.4.0 into work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/async-ringbuffer/0.4.0
[INFO] validating manifest of async-ringbuffer-0.4.0 on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of async-ringbuffer-0.4.0 on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing async-ringbuffer-0.4.0
[INFO] finished frobbing async-ringbuffer-0.4.0
[INFO] frobbed toml for async-ringbuffer-0.4.0 written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/async-ringbuffer/0.4.0/Cargo.toml
[INFO] started frobbing async-ringbuffer-0.4.0
[INFO] finished frobbing async-ringbuffer-0.4.0
[INFO] frobbed toml for async-ringbuffer-0.4.0 written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/async-ringbuffer/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking async-ringbuffer-0.4.0 against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-5/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/async-ringbuffer/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1617c4d9063a483ba4461951fec3bad48bc2ed4d30f38fb0154f47f8f76ec1ba
[INFO] running `"docker" "start" "-a" "1617c4d9063a483ba4461951fec3bad48bc2ed4d30f38fb0154f47f8f76ec1ba"`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.15
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.15
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.15
[INFO] [stderr]     Checking async-ringbuffer v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.15
[INFO] [stderr] error[E0053]: method `poll_write` has an incompatible type for trait
[INFO] [stderr]    --> src/lib.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn poll_write(&mut self, wk: &Waker, buf: &[u8]) -> Poll<Result<usize>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::pin::Pin`, found &mut Writer
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `fn(std::pin::Pin<&mut Writer>, &mut std::task::Context<'_>, &[u8]) -> futures_core::Poll<std::result::Result<usize, futures_io::Error>>`
[INFO] [stderr]                found type `fn(&mut Writer, &std::task::Waker, &[u8]) -> futures_core::Poll<std::result::Result<usize, futures_io::Error>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `poll_flush` has an incompatible type for trait
[INFO] [stderr]    --> src/lib.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn poll_flush(&mut self, _: &Waker) -> Poll<Result<()>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::pin::Pin`, found &mut Writer
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `fn(std::pin::Pin<&mut Writer>, &mut std::task::Context<'_>) -> futures_core::Poll<std::result::Result<(), futures_io::Error>>`
[INFO] [stderr]                found type `fn(&mut Writer, &std::task::Waker) -> futures_core::Poll<std::result::Result<(), futures_io::Error>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `poll_close` has an incompatible type for trait
[INFO] [stderr]    --> src/lib.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn poll_close(&mut self, _: &Waker) -> Poll<Result<()>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::pin::Pin`, found &mut Writer
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `fn(std::pin::Pin<&mut Writer>, &mut std::task::Context<'_>) -> futures_core::Poll<std::result::Result<(), futures_io::Error>>`
[INFO] [stderr]                found type `fn(&mut Writer, &std::task::Waker) -> futures_core::Poll<std::result::Result<(), futures_io::Error>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0053]: method `poll_read` has an incompatible type for trait
[INFO] [stderr]    --> src/lib.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn poll_read(&mut self, wk: &Waker, buf: &mut [u8]) -> Poll<Result<usize>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::pin::Pin`, found &mut Reader
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `fn(std::pin::Pin<&mut Reader>, &mut std::task::Context<'_>, &mut [u8]) -> futures_core::Poll<std::result::Result<usize, futures_io::Error>>`
[INFO] [stderr]                found type `fn(&mut Reader, &std::task::Waker, &mut [u8]) -> futures_core::Poll<std::result::Result<usize, futures_io::Error>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0053`.
[INFO] [stderr] error: Could not compile `async-ringbuffer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1617c4d9063a483ba4461951fec3bad48bc2ed4d30f38fb0154f47f8f76ec1ba"`
[INFO] running `"docker" "rm" "-f" "1617c4d9063a483ba4461951fec3bad48bc2ed4d30f38fb0154f47f8f76ec1ba"`
[INFO] [stdout] 1617c4d9063a483ba4461951fec3bad48bc2ed4d30f38fb0154f47f8f76ec1ba