[INFO] fetching crate adafruit-featherwing-oled128x64 0.1.0... [INFO] testing adafruit-featherwing-oled128x64-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate adafruit-featherwing-oled128x64 0.1.0 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate adafruit-featherwing-oled128x64 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9bc77623ae16e31da36d639da94f848bb99bd88d4e62a6b89ed16189e04e819b [INFO] running `Command { std: "docker" "start" "-a" "9bc77623ae16e31da36d639da94f848bb99bd88d4e62a6b89ed16189e04e819b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9bc77623ae16e31da36d639da94f848bb99bd88d4e62a6b89ed16189e04e819b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bc77623ae16e31da36d639da94f848bb99bd88d4e62a6b89ed16189e04e819b", kill_on_drop: false }` [INFO] [stdout] 9bc77623ae16e31da36d639da94f848bb99bd88d4e62a6b89ed16189e04e819b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c2de57f9fdd866e78773f6f18399928cee48edf1aebf37ff92a801045cc51fa [INFO] running `Command { std: "docker" "start" "-a" "5c2de57f9fdd866e78773f6f18399928cee48edf1aebf37ff92a801045cc51fa", 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 embedded-hal v1.0.0-alpha.8 [INFO] [stderr] Compiling adafruit-featherwing-oled128x64 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling itertools v0.10.3 [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> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #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 2025-08-28; 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>; [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>; [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>; [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>; [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>; [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 `::TransactionFuture<'_, (), {closure@...}, ...>` [INFO] [stdout] = help: consider constraining the associated type `::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-9661607383610368020.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>; [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 `::TransactionFuture<'_, (), {closure@...}, ...>` [INFO] [stdout] = help: consider constraining the associated type `::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-3255771896276326886.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>; [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 `::TransactionFuture<'_, (), {closure@...}, ...>` [INFO] [stdout] = help: consider constraining the associated type `::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-16792204519063221834.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>; [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 `::TransactionFuture<'_, (), {closure@...}, ...>` [INFO] [stdout] = help: consider constraining the associated type `::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-8178574616561630187.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] [stderr] error: could not compile `embedded-hal-async` (lib) due to 9 previous errors [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5c2de57f9fdd866e78773f6f18399928cee48edf1aebf37ff92a801045cc51fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c2de57f9fdd866e78773f6f18399928cee48edf1aebf37ff92a801045cc51fa", kill_on_drop: false }` [INFO] [stdout] 5c2de57f9fdd866e78773f6f18399928cee48edf1aebf37ff92a801045cc51fa