[INFO] fetching crate flacenc 0.5.0...
[INFO] checking flacenc-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate flacenc 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate flacenc 0.5.0
[INFO] finished tweaking crates.io crate flacenc 0.5.0
[INFO] tweaked toml for crates.io crate flacenc 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flacenc 0.5.0 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 flacenc 0.5.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ab8546481b7e2944541e5e333d219346f49574d0b957fee4facfb7603833464
[INFO] running `Command { std: "docker" "start" "-a" "9ab8546481b7e2944541e5e333d219346f49574d0b957fee4facfb7603833464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ab8546481b7e2944541e5e333d219346f49574d0b957fee4facfb7603833464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab8546481b7e2944541e5e333d219346f49574d0b957fee4facfb7603833464", kill_on_drop: false }`
[INFO] [stdout] 9ab8546481b7e2944541e5e333d219346f49574d0b957fee4facfb7603833464
[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 -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] 06074e1ebc488fc738fac020875da884a8f38501d27e702d3337f58fc1811f3e
[INFO] running `Command { std: "docker" "start" "-a" "06074e1ebc488fc738fac020875da884a8f38501d27e702d3337f58fc1811f3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling built v0.7.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling rstest_macros v0.22.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking rustix v1.0.5
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling flacenc v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking rstest v0.22.0
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:530:63
[INFO] [stdout]     |
[INFO] [stdout] 530 |       fn align_to_byte(&mut self) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________________^
[INFO] [stdout] 531 | |         let r = self.paddings();
[INFO] [stdout] 532 | |         self.bitlength += r;
[INFO] [stdout] 533 | |         Ok(r)
[INFO] [stdout] 534 | |     }
[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/bitsink.rs:533:9
[INFO] [stdout]     |
[INFO] [stdout] 533 |         Ok(r)
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:537:83
[INFO] [stdout]     |
[INFO] [stdout] 537 |       fn write_bytes_aligned(&mut self, bytes: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________________________________^
[INFO] [stdout] 538 | |         let ret = self.align_to_byte()?;
[INFO] [stdout] 539 | |         self.storage.extend_from_slice(bytes);
[INFO] [stdout] 540 | |         self.bitlength += 8 * bytes.len();
[INFO] [stdout] 541 | |         Ok(ret)
[INFO] [stdout] 542 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/bitsink.rs:538:19
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let ret = self.align_to_byte()?;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:538:19
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let ret = self.align_to_byte()?;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:538:19
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let ret = self.align_to_byte()?;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:541:9
[INFO] [stdout]     |
[INFO] [stdout] 541 |         Ok(ret)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:655:63
[INFO] [stdout]     |
[INFO] [stdout] 655 |       fn align_to_byte(&mut self) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________________^
[INFO] [stdout] 656 | |         let r = self.paddings_to_byte();
[INFO] [stdout] 657 | |         self.bitlength += r;
[INFO] [stdout] 658 | |         Ok(r)
[INFO] [stdout] 659 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:658:9
[INFO] [stdout]     |
[INFO] [stdout] 658 |         Ok(r)
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:662:83
[INFO] [stdout]     |
[INFO] [stdout] 662 |       fn write_bytes_aligned(&mut self, bytes: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________________________________^
[INFO] [stdout] 663 | |         // this will not be called for u64. so the implementation is not
[INFO] [stdout] 664 | |         // efficient.
[INFO] [stdout] 665 | |         let r = self.align_to_byte()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 669 | |         Ok(r)
[INFO] [stdout] 670 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/bitsink.rs:665:17
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let r = self.align_to_byte()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:665:17
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let r = self.align_to_byte()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:665:17
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let r = self.align_to_byte()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:667:13
[INFO] [stdout]     |
[INFO] [stdout] 667 |             self.write(*b)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/bitsink.rs:669:9
[INFO] [stdout]     |
[INFO] [stdout] 669 |         Ok(r)
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/component/bitrepr.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 frame_sink.align_to_byte().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/component/bitrepr.rs:401:17
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 header_buffer.write_bytes_aligned(&v).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/component/bitrepr.rs:404:17
[INFO] [stdout]     |
[INFO] [stdout] 404 |                 header_buffer.write_bytes_aligned(&v).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flacenc` (lib) due to 18 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:530:63
[INFO] [stdout]     |
[INFO] [stdout] 530 |       fn align_to_byte(&mut self) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________________^
[INFO] [stdout] 531 | |         let r = self.paddings();
[INFO] [stdout] 532 | |         self.bitlength += r;
[INFO] [stdout] 533 | |         Ok(r)
[INFO] [stdout] 534 | |     }
[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, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:533:9
[INFO] [stdout]     |
[INFO] [stdout] 533 |         Ok(r)
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:537:83
[INFO] [stdout]     |
[INFO] [stdout] 537 |       fn write_bytes_aligned(&mut self, bytes: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________________________________^
[INFO] [stdout] 538 | |         let ret = self.align_to_byte()?;
[INFO] [stdout] 539 | |         self.storage.extend_from_slice(bytes);
[INFO] [stdout] 540 | |         self.bitlength += 8 * bytes.len();
[INFO] [stdout] 541 | |         Ok(ret)
[INFO] [stdout] 542 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<std::convert::Infallible, std::convert::Infallible>, usize>
[INFO] [stdout]    --> src/bitsink.rs:538:19
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let ret = self.align_to_byte()?;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:538:19
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let ret = self.align_to_byte()?;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:538:19
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let ret = self.align_to_byte()?;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:541:9
[INFO] [stdout]     |
[INFO] [stdout] 541 |         Ok(ret)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:655:63
[INFO] [stdout]     |
[INFO] [stdout] 655 |       fn align_to_byte(&mut self) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________________^
[INFO] [stdout] 656 | |         let r = self.paddings_to_byte();
[INFO] [stdout] 657 | |         self.bitlength += r;
[INFO] [stdout] 658 | |         Ok(r)
[INFO] [stdout] 659 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:658:9
[INFO] [stdout]     |
[INFO] [stdout] 658 |         Ok(r)
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:662:83
[INFO] [stdout]     |
[INFO] [stdout] 662 |       fn write_bytes_aligned(&mut self, bytes: &[u8]) -> Result<usize, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________________________________^
[INFO] [stdout] 663 | |         // this will not be called for u64. so the implementation is not
[INFO] [stdout] 664 | |         // efficient.
[INFO] [stdout] 665 | |         let r = self.align_to_byte()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 669 | |         Ok(r)
[INFO] [stdout] 670 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<std::convert::Infallible, std::convert::Infallible>, usize>
[INFO] [stdout]    --> src/bitsink.rs:665:17
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let r = self.align_to_byte()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:665:17
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let r = self.align_to_byte()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:665:17
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let r = self.align_to_byte()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:667:13
[INFO] [stdout]     |
[INFO] [stdout] 667 |             self.write(*b)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:669:9
[INFO] [stdout]     |
[INFO] [stdout] 669 |         Ok(r)
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<std::convert::Infallible, std::convert::Infallible>, usize>
[INFO] [stdout]    --> src/bitsink.rs:755:9
[INFO] [stdout]     |
[INFO] [stdout] 755 |         sink.align_to_byte()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:755:9
[INFO] [stdout]     |
[INFO] [stdout] 755 |         sink.align_to_byte()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<std::convert::Infallible, std::convert::Infallible>, usize>
[INFO] [stdout]    --> src/bitsink.rs:757:9
[INFO] [stdout]     |
[INFO] [stdout] 757 |         sink.align_to_byte()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:757:9
[INFO] [stdout]     |
[INFO] [stdout] 757 |         sink.align_to_byte()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<std::convert::Infallible, std::convert::Infallible>, usize>
[INFO] [stdout]    --> src/bitsink.rs:761:9
[INFO] [stdout]     |
[INFO] [stdout] 761 |         sink.align_to_byte()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:761:9
[INFO] [stdout]     |
[INFO] [stdout] 761 |         sink.align_to_byte()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<std::convert::Infallible, std::convert::Infallible>, usize>
[INFO] [stdout]    --> src/bitsink.rs:825:9
[INFO] [stdout]     |
[INFO] [stdout] 825 |         u64v.align_to_byte()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:825:9
[INFO] [stdout]     |
[INFO] [stdout] 825 |         u64v.align_to_byte()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<std::convert::Infallible, std::convert::Infallible>, usize>
[INFO] [stdout]    --> src/bitsink.rs:908:9
[INFO] [stdout]     |
[INFO] [stdout] 908 |         sink.write_bytes_aligned(&[0xCA, 0xFE])?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/bitsink.rs:908:9
[INFO] [stdout]     |
[INFO] [stdout] 908 |         sink.write_bytes_aligned(&[0xCA, 0xFE])?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/component/bitrepr.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 frame_sink.align_to_byte().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/component/bitrepr.rs:401:17
[INFO] [stdout]     |
[INFO] [stdout] 401 |                 header_buffer.write_bytes_aligned(&v).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, std::convert::Infallible>
[INFO] [stdout]    --> src/component/bitrepr.rs:404:17
[INFO] [stdout]     |
[INFO] [stdout] 404 |                 header_buffer.write_bytes_aligned(&v).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flacenc` (lib test) due to 28 previous errors
[INFO] running `Command { std: "docker" "inspect" "06074e1ebc488fc738fac020875da884a8f38501d27e702d3337f58fc1811f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06074e1ebc488fc738fac020875da884a8f38501d27e702d3337f58fc1811f3e", kill_on_drop: false }`
[INFO] [stdout] 06074e1ebc488fc738fac020875da884a8f38501d27e702d3337f58fc1811f3e