[INFO] fetching crate embassy-sync 0.7.2...
[INFO] checking embassy-sync-0.7.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate embassy-sync 0.7.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate embassy-sync 0.7.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate embassy-sync 0.7.2
[INFO] tweaked toml for crates.io crate embassy-sync 0.7.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embassy-sync 0.7.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate embassy-sync 0.7.2 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db23782b8df43ba19e50ae6db79419c9176b5588c861744dedf1a1f4881fc77d
[INFO] running `Command { std: "docker" "start" "-a" "db23782b8df43ba19e50ae6db79419c9176b5588c861744dedf1a1f4881fc77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db23782b8df43ba19e50ae6db79419c9176b5588c861744dedf1a1f4881fc77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db23782b8df43ba19e50ae6db79419c9176b5588c861744dedf1a1f4881fc77d", kill_on_drop: false }`
[INFO] [stdout] db23782b8df43ba19e50ae6db79419c9176b5588c861744dedf1a1f4881fc77d
[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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f009d2bedaf4039bd3352cee8b0644c0bf003c6738fbd336fa322ab978878ded
[INFO] running `Command { std: "docker" "start" "-a" "f009d2bedaf4039bd3352cee8b0644c0bf003c6738fbd336fa322ab978878ded", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling embassy-sync v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking static_cell v2.1.1
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:474:76
[INFO] [stdout]     |
[INFO] [stdout] 474 |       async fn read(&mut self, buf: &mut [u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 475 | |         Ok(Pipe::read(self, buf).await)
[INFO] [stdout] 476 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:474:76
[INFO] [stdout]     |
[INFO] [stdout] 474 |       async fn read(&mut self, buf: &mut [u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 475 | |         Ok(Pipe::read(self, buf).await)
[INFO] [stdout] 476 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:475:9
[INFO] [stdout]     |
[INFO] [stdout] 475 |         Ok(Pipe::read(self, buf).await)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:480:73
[INFO] [stdout]     |
[INFO] [stdout] 480 |       async fn write(&mut self, buf: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________^
[INFO] [stdout] 481 | |         Ok(Pipe::write(self, buf).await)
[INFO] [stdout] 482 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:480:73
[INFO] [stdout]     |
[INFO] [stdout] 480 |       async fn write(&mut self, buf: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________^
[INFO] [stdout] 481 | |         Ok(Pipe::write(self, buf).await)
[INFO] [stdout] 482 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |         Ok(Pipe::write(self, buf).await)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:494:76
[INFO] [stdout]     |
[INFO] [stdout] 494 |       async fn read(&mut self, buf: &mut [u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 495 | |         Ok(Pipe::read(self, buf).await)
[INFO] [stdout] 496 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:494:76
[INFO] [stdout]     |
[INFO] [stdout] 494 |       async fn read(&mut self, buf: &mut [u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 495 | |         Ok(Pipe::read(self, buf).await)
[INFO] [stdout] 496 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         Ok(Pipe::read(self, buf).await)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:500:73
[INFO] [stdout]     |
[INFO] [stdout] 500 |       async fn write(&mut self, buf: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________^
[INFO] [stdout] 501 | |         Ok(Pipe::write(self, buf).await)
[INFO] [stdout] 502 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:500:73
[INFO] [stdout]     |
[INFO] [stdout] 500 |       async fn write(&mut self, buf: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________^
[INFO] [stdout] 501 | |         Ok(Pipe::write(self, buf).await)
[INFO] [stdout] 502 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:501:9
[INFO] [stdout]     |
[INFO] [stdout] 501 |         Ok(Pipe::write(self, buf).await)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:514:76
[INFO] [stdout]     |
[INFO] [stdout] 514 |       async fn read(&mut self, buf: &mut [u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 515 | |         Ok(Reader::read(self, buf).await)
[INFO] [stdout] 516 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:514:76
[INFO] [stdout]     |
[INFO] [stdout] 514 |       async fn read(&mut self, buf: &mut [u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 515 | |         Ok(Reader::read(self, buf).await)
[INFO] [stdout] 516 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:515:9
[INFO] [stdout]     |
[INFO] [stdout] 515 |         Ok(Reader::read(self, buf).await)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/pipe.rs:520:64
[INFO] [stdout]     |
[INFO] [stdout] 520 |       async fn fill_buf(&mut self) -> Result<&[u8], Self::Error> {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 521 | |         Ok(Reader::fill_buf(self).await)
[INFO] [stdout] 522 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/pipe.rs:520:64
[INFO] [stdout]     |
[INFO] [stdout] 520 |       async fn fill_buf(&mut self) -> Result<&[u8], Self::Error> {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 521 | |         Ok(Reader::fill_buf(self).await)
[INFO] [stdout] 522 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/pipe.rs:521:9
[INFO] [stdout]     |
[INFO] [stdout] 521 |         Ok(Reader::fill_buf(self).await)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:534:73
[INFO] [stdout]     |
[INFO] [stdout] 534 |       async fn write(&mut self, buf: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________^
[INFO] [stdout] 535 | |         Ok(Writer::write(self, buf).await)
[INFO] [stdout] 536 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:534:73
[INFO] [stdout]     |
[INFO] [stdout] 534 |       async fn write(&mut self, buf: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________^
[INFO] [stdout] 535 | |         Ok(Writer::write(self, buf).await)
[INFO] [stdout] 536 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/pipe.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |         Ok(Writer::write(self, buf).await)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:122:29
[INFO] [stdout]     |
[INFO] [stdout] 122 |                   Poll::Ready(Ok(SemaphoreReleaser {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 123 | |                     semaphore: self,
[INFO] [stdout] 124 | |                     permits,
[INFO] [stdout] 125 | |                 }))
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:140:97
[INFO] [stdout]     |
[INFO] [stdout] 140 |       async fn acquire(&self, permits: usize) -> Result<SemaphoreReleaser<'_, Self>, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________________________________^
[INFO] [stdout] 141 | |         poll_fn(|cx| self.poll_acquire(permits, false, Some(cx.waker()))).await
[INFO] [stdout] 142 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:140:97
[INFO] [stdout]     |
[INFO] [stdout] 140 |       async fn acquire(&self, permits: usize) -> Result<SemaphoreReleaser<'_, Self>, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________________________________^
[INFO] [stdout] 141 | |         poll_fn(|cx| self.poll_acquire(permits, false, Some(cx.waker()))).await
[INFO] [stdout] 142 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         poll_fn(|cx| self.poll_acquire(permits, false, Some(cx.waker()))).await
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:141:75
[INFO] [stdout]     |
[INFO] [stdout] 141 |         poll_fn(|cx| self.poll_acquire(permits, false, Some(cx.waker()))).await
[INFO] [stdout]     |                                                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         poll_fn(|cx| self.poll_acquire(permits, false, Some(cx.waker()))).await
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:151:97
[INFO] [stdout]     |
[INFO] [stdout] 151 |       async fn acquire_all(&self, min: usize) -> Result<SemaphoreReleaser<'_, Self>, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________________________________^
[INFO] [stdout] 152 | |         poll_fn(|cx| self.poll_acquire(min, true, Some(cx.waker()))).await
[INFO] [stdout] 153 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:151:97
[INFO] [stdout]     |
[INFO] [stdout] 151 |       async fn acquire_all(&self, min: usize) -> Result<SemaphoreReleaser<'_, Self>, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________________________________________^
[INFO] [stdout] 152 | |         poll_fn(|cx| self.poll_acquire(min, true, Some(cx.waker()))).await
[INFO] [stdout] 153 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         poll_fn(|cx| self.poll_acquire(min, true, Some(cx.waker()))).await
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:152:70
[INFO] [stdout]     |
[INFO] [stdout] 152 |         poll_fn(|cx| self.poll_acquire(min, true, Some(cx.waker()))).await
[INFO] [stdout]     |                                                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SemaphoreReleaser<'_, GreedySemaphore<M>>, Infallible>
[INFO] [stdout]    --> src/semaphore.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         poll_fn(|cx| self.poll_acquire(min, true, Some(cx.waker()))).await
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embassy-sync` (lib) due to 32 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f009d2bedaf4039bd3352cee8b0644c0bf003c6738fbd336fa322ab978878ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f009d2bedaf4039bd3352cee8b0644c0bf003c6738fbd336fa322ab978878ded", kill_on_drop: false }`
[INFO] [stdout] f009d2bedaf4039bd3352cee8b0644c0bf003c6738fbd336fa322ab978878ded
