[INFO] fetching crate adafruit-featherwing-oled128x64 0.1.0...
[INFO] testing adafruit-featherwing-oled128x64-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate adafruit-featherwing-oled128x64 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate adafruit-featherwing-oled128x64 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate adafruit-featherwing-oled128x64 0.1.0
[INFO] tweaked toml for crates.io crate adafruit-featherwing-oled128x64 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate adafruit-featherwing-oled128x64 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate adafruit-featherwing-oled128x64 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 665a9d644d88ccc0e906957aa2c39583308d0c477d18fa7f5ebc091c38dd6151
[INFO] running `Command { std: "docker" "start" "-a" "665a9d644d88ccc0e906957aa2c39583308d0c477d18fa7f5ebc091c38dd6151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "665a9d644d88ccc0e906957aa2c39583308d0c477d18fa7f5ebc091c38dd6151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665a9d644d88ccc0e906957aa2c39583308d0c477d18fa7f5ebc091c38dd6151", kill_on_drop: false }`
[INFO] [stdout] 665a9d644d88ccc0e906957aa2c39583308d0c477d18fa7f5ebc091c38dd6151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57411ab1002b221940df4e10e50623e676347e97baef4ea7480a3321db198f7
[INFO] running `Command { std: "docker" "start" "-a" "c57411ab1002b221940df4e10e50623e676347e97baef4ea7480a3321db198f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.24
[INFO] [stderr]    Compiling adafruit-featherwing-oled128x64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.8
[INFO] [stderr]    Compiling embedded-hal-async v0.1.0-alpha.1
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:384:45
[INFO] [stdout]     |
[INFO] [stdout] 384 |     type TransactionFuture<'a, R, F, Fut> = impl Future<Output = Result<R, Self::Error>>
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-11-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | = impl Future<Output = Result<(), T::Error>>;
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReadFuture` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | = impl Future<Output = Result<(), T::Error>>;
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WriteFuture` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 | = impl Future<Output = Result<(), T::Error>>;
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransferFuture` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 | = impl Future<Output = Result<(), T::Error>>;
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransferInPlaceFuture` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |   = impl Future<Output = Result<(), T::Error>>;
[INFO] [stdout]    |     ------------------------------------------ the expected future
[INFO] [stdout] ...
[INFO] [stdout] 82 |       fn read<'a, Word>(&'a mut self, buf: &'a mut [Word]) -> ReadFuture<'a, Self, Word>
[INFO] [stdout]    |                                                               -------------------------- expected `ReadFuture<'a, Self, Word>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 87 | /         self.transaction(move |bus| async move {
[INFO] [stdout] 88 | |             // safety: `bus` is a valid pointer we're allowed to use for the duration of the closure.
[INFO] [stdout] 89 | |             let bus = unsafe { &mut *bus };
[INFO] [stdout] 90 | |             bus.read(buf).await
[INFO] [stdout] 91 | |         })
[INFO] [stdout]    | |__________^ expected future, found associated type
[INFO] [stdout]    |
[INFO] [stdout]    = note:  expected opaque type `ReadFuture<'a, Self, Word>`
[INFO] [stdout]            found associated type `<Self as SpiDevice>::TransactionFuture<'_, (), {closure@...}, ...>`
[INFO] [stdout]    = help: consider constraining the associated type `<Self as spi::SpiDevice>::TransactionFuture<'_, (), {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:87:26: 87:36}, {async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:87:37: 87:47}>` to `ReadFuture<'a, Self, Word>`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/embedded_hal_async-48f63750f33a4570.long-type-15695674019172775616.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout]  22 |   = impl Future<Output = Result<(), T::Error>>;
[INFO] [stdout]     |     ------------------------------------------ the expected future
[INFO] [stdout] ...
[INFO] [stdout]  99 |       fn write<'a, Word>(&'a mut self, buf: &'a [Word]) -> WriteFuture<'a, Self, Word>
[INFO] [stdout]     |                                                            --------------------------- expected `WriteFuture<'a, Self, Word>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 104 | /         self.transaction(move |bus| async move {
[INFO] [stdout] 105 | |             // safety: `bus` is a valid pointer we're allowed to use for the duration of the closure.
[INFO] [stdout] 106 | |             let bus = unsafe { &mut *bus };
[INFO] [stdout] 107 | |             bus.write(buf).await
[INFO] [stdout] 108 | |         })
[INFO] [stdout]     | |__________^ expected future, found associated type
[INFO] [stdout]     |
[INFO] [stdout]     = note:  expected opaque type `WriteFuture<'a, Self, Word>`
[INFO] [stdout]             found associated type `<Self as SpiDevice>::TransactionFuture<'_, (), {closure@...}, ...>`
[INFO] [stdout]     = help: consider constraining the associated type `<Self as spi::SpiDevice>::TransactionFuture<'_, (), {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:104:26: 104:36}, {async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:104:37: 104:47}>` to `WriteFuture<'a, Self, Word>`
[INFO] [stdout]     = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/embedded_hal_async-48f63750f33a4570.long-type-14809110394971073941.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout]  29 |   = impl Future<Output = Result<(), T::Error>>;
[INFO] [stdout]     |     ------------------------------------------ the expected future
[INFO] [stdout] ...
[INFO] [stdout] 120 |       ) -> TransferFuture<'a, Self, Word>
[INFO] [stdout]     |            ------------------------------ expected `TransferFuture<'a, Self, Word>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 125 | /         self.transaction(move |bus| async move {
[INFO] [stdout] 126 | |             // safety: `bus` is a valid pointer we're allowed to use for the duration of the closure.
[INFO] [stdout] 127 | |             let bus = unsafe { &mut *bus };
[INFO] [stdout] 128 | |             bus.transfer(read, write).await
[INFO] [stdout] 129 | |         })
[INFO] [stdout]     | |__________^ expected future, found associated type
[INFO] [stdout]     |
[INFO] [stdout]     = note:  expected opaque type `TransferFuture<'a, Self, Word>`
[INFO] [stdout]             found associated type `<Self as SpiDevice>::TransactionFuture<'_, (), {closure@...}, ...>`
[INFO] [stdout]     = help: consider constraining the associated type `<Self as spi::SpiDevice>::TransactionFuture<'_, (), {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:125:26: 125:36}, {async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:125:37: 125:47}>` to `TransferFuture<'a, Self, Word>`
[INFO] [stdout]     = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/embedded_hal_async-48f63750f33a4570.long-type-12445145050776321582.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout]  36 |   = impl Future<Output = Result<(), T::Error>>;
[INFO] [stdout]     |     ------------------------------------------ the expected future
[INFO] [stdout] ...
[INFO] [stdout] 140 |       ) -> TransferInPlaceFuture<'a, Self, Word>
[INFO] [stdout]     |            ------------------------------------- expected `TransferInPlaceFuture<'a, Self, Word>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 145 | /         self.transaction(move |bus| async move {
[INFO] [stdout] 146 | |             // safety: `bus` is a valid pointer we're allowed to use for the duration of the closure.
[INFO] [stdout] 147 | |             let bus = unsafe { &mut *bus };
[INFO] [stdout] 148 | |             bus.transfer_in_place(buf).await
[INFO] [stdout] 149 | |         })
[INFO] [stdout]     | |__________^ expected future, found associated type
[INFO] [stdout]     |
[INFO] [stdout]     = note:  expected opaque type `TransferInPlaceFuture<'a, Self, Word>`
[INFO] [stdout]             found associated type `<Self as SpiDevice>::TransactionFuture<'_, (), {closure@...}, ...>`
[INFO] [stdout]     = help: consider constraining the associated type `<Self as spi::SpiDevice>::TransactionFuture<'_, (), {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:145:26: 145:36}, {async block@/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/embedded-hal-async-0.1.0-alpha.1/src/spi.rs:145:37: 145:47}>` to `TransferInPlaceFuture<'a, Self, Word>`
[INFO] [stdout]     = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/embedded_hal_async-48f63750f33a4570.long-type-11156195348703502105.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-hal-async` (lib) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c57411ab1002b221940df4e10e50623e676347e97baef4ea7480a3321db198f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57411ab1002b221940df4e10e50623e676347e97baef4ea7480a3321db198f7", kill_on_drop: false }`
[INFO] [stdout] c57411ab1002b221940df4e10e50623e676347e97baef4ea7480a3321db198f7
