[INFO] fetching crate embassy-traits 0.0.2...
[INFO] checking embassy-traits-0.0.2 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate embassy-traits 0.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate embassy-traits 0.0.2 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embassy-traits 0.0.2
[INFO] finished tweaking crates.io crate embassy-traits 0.0.2
[INFO] tweaked toml for crates.io crate embassy-traits 0.0.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmt-parser v0.2.2
[INFO] [stderr]   Downloaded defmt-macros v0.2.3
[INFO] [stderr]   Downloaded defmt v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12a2e02ee1c08220540903a5c6abb9d1f1c231ba8944bdc26b2e95c13281d151
[INFO] running `Command { std: "docker" "start" "-a" "12a2e02ee1c08220540903a5c6abb9d1f1c231ba8944bdc26b2e95c13281d151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12a2e02ee1c08220540903a5c6abb9d1f1c231ba8944bdc26b2e95c13281d151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a2e02ee1c08220540903a5c6abb9d1f1c231ba8944bdc26b2e95c13281d151", kill_on_drop: false }`
[INFO] [stdout] 12a2e02ee1c08220540903a5c6abb9d1f1c231ba8944bdc26b2e95c13281d151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb3141c8cdf49c956c5eb6b19f053cdb2928c52688a6fe5eef14cfda81e90b32
[INFO] running `Command { std: "docker" "start" "-a" "bb3141c8cdf49c956c5eb6b19f053cdb2928c52688a6fe5eef14cfda81e90b32", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking embassy-traits v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::pin::Pin`
[INFO] [stdout]  --> src/flash.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::pin::Pin`
[INFO] [stdout]  --> src/gpio.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::pin::Pin`
[INFO] [stdout]  --> src/spi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::pin::Pin`
[INFO] [stdout]  --> src/uart.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::pin::Pin`
[INFO] [stdout]  --> src/flash.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::pin::Pin`
[INFO] [stdout]  --> src/gpio.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::pin::Pin`
[INFO] [stdout]  --> src/spi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::pin::Pin`
[INFO] [stdout]  --> src/uart.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embassy-traits` due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bb3141c8cdf49c956c5eb6b19f053cdb2928c52688a6fe5eef14cfda81e90b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3141c8cdf49c956c5eb6b19f053cdb2928c52688a6fe5eef14cfda81e90b32", kill_on_drop: false }`
[INFO] [stdout] bb3141c8cdf49c956c5eb6b19f053cdb2928c52688a6fe5eef14cfda81e90b32