[INFO] fetching crate uf2_block 0.1.0...
[INFO] checking uf2_block-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate uf2_block 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate uf2_block 0.1.0
[INFO] finished tweaking crates.io crate uf2_block 0.1.0
[INFO] tweaked toml for crates.io crate uf2_block 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uf2_block 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding packing v0.1.0 (available: v0.2.0)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4ef57ae7d53d2cc1c1dfaa42eb8ce480821893b491ff898f9b632cbc3521c33c
[INFO] running `Command { std: "docker" "start" "-a" "4ef57ae7d53d2cc1c1dfaa42eb8ce480821893b491ff898f9b632cbc3521c33c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ef57ae7d53d2cc1c1dfaa42eb8ce480821893b491ff898f9b632cbc3521c33c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef57ae7d53d2cc1c1dfaa42eb8ce480821893b491ff898f9b632cbc3521c33c", kill_on_drop: false }`
[INFO] [stdout] 4ef57ae7d53d2cc1c1dfaa42eb8ce480821893b491ff898f9b632cbc3521c33c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8ec6f47266f3db544417f3514d138600b6927a36d1fdd12d79d17e4b7da2d6c6
[INFO] running `Command { std: "docker" "start" "-a" "8ec6f47266f3db544417f3514d138600b6927a36d1fdd12d79d17e4b7da2d6c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]    Compiling packing_codegen v0.1.0
[INFO] [stderr]     Checking packing v0.1.0
[INFO] [stderr]     Checking uf2_block v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[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<[u8; 4], core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uf2_block` (lib) due to 24 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[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<[u8; 4], core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:14:45
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Packed)]
[INFO] [stdout]    |                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, [u8; 4]>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, core::convert::Infallible>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Packed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<core::convert::Infallible, core::convert::Infallible>, u32>
[INFO] [stdout]   --> src/lib.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Clone, Packed)]
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uf2_block` (lib test) due to 24 previous errors
[INFO] running `Command { std: "docker" "inspect" "8ec6f47266f3db544417f3514d138600b6927a36d1fdd12d79d17e4b7da2d6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec6f47266f3db544417f3514d138600b6927a36d1fdd12d79d17e4b7da2d6c6", kill_on_drop: false }`
[INFO] [stdout] 8ec6f47266f3db544417f3514d138600b6927a36d1fdd12d79d17e4b7da2d6c6