[INFO] fetching crate esp8266-at-driver 0.4.0...
[INFO] checking esp8266-at-driver-0.4.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate esp8266-at-driver 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate esp8266-at-driver 0.4.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate esp8266-at-driver 0.4.0
[INFO] finished tweaking crates.io crate esp8266-at-driver 0.4.0
[INFO] tweaked toml for crates.io crate esp8266-at-driver 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-nal-async v0.4.0
[INFO] [stderr]   Downloaded embassy-time v0.1.5
[INFO] [stderr]   Downloaded embassy-sync v0.1.0
[INFO] [stderr]   Downloaded embedded-io v0.3.1
[INFO] [stderr]   Downloaded embedded-nal v0.6.0
[INFO] [stderr]   Downloaded moveslice v2.0.1
[INFO] [stderr]   Downloaded embassy-macros v0.2.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.11
[INFO] [stderr]   Downloaded embedded-hal-async v0.2.0-alpha.2
[INFO] [stderr]   Downloaded arrayvec v0.6.1
[INFO] [stderr]   Downloaded static_cell v1.3.0
[INFO] [stderr]   Downloaded embassy-executor v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d68c61e14863cc6e7135c5668cef9978f305f757909af9b3cbc87468eacacfd
[INFO] running `Command { std: "docker" "start" "-a" "9d68c61e14863cc6e7135c5668cef9978f305f757909af9b3cbc87468eacacfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d68c61e14863cc6e7135c5668cef9978f305f757909af9b3cbc87468eacacfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d68c61e14863cc6e7135c5668cef9978f305f757909af9b3cbc87468eacacfd", kill_on_drop: false }`
[INFO] [stdout] 9d68c61e14863cc6e7135c5668cef9978f305f757909af9b3cbc87468eacacfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c7d11c989867f42f3220dea17165e4746610e6145f8dabb9f698c41c695b92b
[INFO] running `Command { std: "docker" "start" "-a" "7c7d11c989867f42f3220dea17165e4746610e6145f8dabb9f698c41c695b92b", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling embassy-time v0.1.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling atomic-polyfill v1.0.3
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling embassy-sync v0.1.0
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stderr]    Compiling embassy-executor v0.2.1
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking embedded-io v0.3.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |     type ReadFuture<'a> = impl Future<Output = Result<usize, Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:143:30
[INFO] [stdout]     |
[INFO] [stdout] 143 |     type FillBufFuture<'a> = impl Future<Output = Result<&'a [u8], 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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:157:28
[INFO] [stdout]     |
[INFO] [stdout] 157 |     type WriteFuture<'a> = impl Future<Output = Result<usize, Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:166:28
[INFO] [stdout]     |
[INFO] [stdout] 166 |     type FlushFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:177:27
[INFO] [stdout]     |
[INFO] [stdout] 177 |     type SeekFuture<'a> = impl Future<Output = Result<u64, Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |     type ReadFuture<'a> = impl Future<Output = Result<usize, Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:218:30
[INFO] [stdout]     |
[INFO] [stdout] 218 |     type FillBufFuture<'a> = impl Future<Output = Result<&'a [u8], 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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:243:28
[INFO] [stdout]     |
[INFO] [stdout] 243 |     type WriteFuture<'a> = impl Future<Output = Result<usize, Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:258:28
[INFO] [stdout]     |
[INFO] [stdout] 258 |     type FlushFuture<'a> = impl Future<Output = Result<(), 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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.11
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-io` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7c7d11c989867f42f3220dea17165e4746610e6145f8dabb9f698c41c695b92b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7d11c989867f42f3220dea17165e4746610e6145f8dabb9f698c41c695b92b", kill_on_drop: false }`
[INFO] [stdout] 7c7d11c989867f42f3220dea17165e4746610e6145f8dabb9f698c41c695b92b
[INFO] checking esp8266-at-driver-0.4.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate esp8266-at-driver 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate esp8266-at-driver 0.4.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate esp8266-at-driver 0.4.0
[INFO] finished tweaking crates.io crate esp8266-at-driver 0.4.0
[INFO] tweaked toml for crates.io crate esp8266-at-driver 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4378cfaf874f2763b05ac04530ef51d854f9c8a7b4b07a74b72c3569a331a642
[INFO] running `Command { std: "docker" "start" "-a" "4378cfaf874f2763b05ac04530ef51d854f9c8a7b4b07a74b72c3569a331a642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4378cfaf874f2763b05ac04530ef51d854f9c8a7b4b07a74b72c3569a331a642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4378cfaf874f2763b05ac04530ef51d854f9c8a7b4b07a74b72c3569a331a642", kill_on_drop: false }`
[INFO] [stdout] 4378cfaf874f2763b05ac04530ef51d854f9c8a7b4b07a74b72c3569a331a642
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daf849541bb0e5e4e8d134db94d546089a0c7890b95544227ad211d715de9774
[INFO] running `Command { std: "docker" "start" "-a" "daf849541bb0e5e4e8d134db94d546089a0c7890b95544227ad211d715de9774", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling atomic-polyfill v1.0.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling embassy-time v0.1.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling embassy-sync v0.1.0
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking embedded-io v0.3.1
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling embassy-executor v0.2.1
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |     type ReadFuture<'a> = impl Future<Output = Result<usize, Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:143:30
[INFO] [stdout]     |
[INFO] [stdout] 143 |     type FillBufFuture<'a> = impl Future<Output = Result<&'a [u8], 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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:157:28
[INFO] [stdout]     |
[INFO] [stdout] 157 |     type WriteFuture<'a> = impl Future<Output = Result<usize, Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:166:28
[INFO] [stdout]     |
[INFO] [stdout] 166 |     type FlushFuture<'a> = impl Future<Output = Result<(), Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:177:27
[INFO] [stdout]     |
[INFO] [stdout] 177 |     type SeekFuture<'a> = impl Future<Output = Result<u64, Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:192:27
[INFO] [stdout]     |
[INFO] [stdout] 192 |     type ReadFuture<'a> = impl Future<Output = Result<usize, Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:218:30
[INFO] [stdout]     |
[INFO] [stdout] 218 |     type FillBufFuture<'a> = impl Future<Output = Result<&'a [u8], 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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:243:28
[INFO] [stdout]     |
[INFO] [stdout] 243 |     type WriteFuture<'a> = impl Future<Output = Result<usize, Self::Error>> + 'a
[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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-io-0.3.1/src/asynch.rs:258:28
[INFO] [stdout]     |
[INFO] [stdout] 258 |     type FlushFuture<'a> = impl Future<Output = Result<(), 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 2024-03-06; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embedded-io` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "daf849541bb0e5e4e8d134db94d546089a0c7890b95544227ad211d715de9774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf849541bb0e5e4e8d134db94d546089a0c7890b95544227ad211d715de9774", kill_on_drop: false }`
[INFO] [stdout] daf849541bb0e5e4e8d134db94d546089a0c7890b95544227ad211d715de9774
