[INFO] fetching crate bitwrap 2.0.2...
[INFO] checking bitwrap-2.0.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bitwrap 2.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate bitwrap 2.0.2
[INFO] finished tweaking crates.io crate bitwrap 2.0.2
[INFO] tweaked toml for crates.io crate bitwrap 2.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitwrap 2.0.2 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] 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 5 packages to latest compatible versions
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a8de48ee66531551176fd3b8796289de40067b6091541482011a311cceb81c72
[INFO] running `Command { std: "docker" "start" "-a" "a8de48ee66531551176fd3b8796289de40067b6091541482011a311cceb81c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8de48ee66531551176fd3b8796289de40067b6091541482011a311cceb81c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8de48ee66531551176fd3b8796289de40067b6091541482011a311cceb81c72", kill_on_drop: false }`
[INFO] [stdout] a8de48ee66531551176fd3b8796289de40067b6091541482011a311cceb81c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 53ff7647f7c70f82361fc1793ad05e314f2a3073ae9fe88c952256e3ae61f8fe
[INFO] running `Command { std: "docker" "start" "-a" "53ff7647f7c70f82361fc1793ad05e314f2a3073ae9fe88c952256e3ae61f8fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitwrap_derive v2.0.0
[INFO] [stderr]     Checking bitwrap v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/convert.rs:45:65
[INFO] [stdout]    |
[INFO] [stdout] 45 |           fn try_from(value: Coffee) -> Result<Self, Self::Error> {
[INFO] [stdout]    |  _________________________________________________________________^
[INFO] [stdout] 46 | |             match value {
[INFO] [stdout] 47 | |                 Coffee::Water => Ok(0),
[INFO] [stdout] 48 | |                 Coffee::Latte => Ok(1),
[INFO] [stdout] ...  |
[INFO] [stdout] 53 | |         }
[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, Infallible>
[INFO] [stdout]   --> tests/convert.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 | /             match value {
[INFO] [stdout] 47 | |                 Coffee::Water => Ok(0),
[INFO] [stdout] 48 | |                 Coffee::Latte => Ok(1),
[INFO] [stdout] 49 | |                 Coffee::Cappuccino => Ok(2),
[INFO] [stdout] 50 | |                 Coffee::Espresso => Ok(3),
[INFO] [stdout] 51 | |                 Coffee::Americano => Ok(4),
[INFO] [stdout] 52 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/convert.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 Coffee::Water => Ok(0),
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/convert.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Coffee::Latte => Ok(1),
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/convert.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 Coffee::Cappuccino => Ok(2),
[INFO] [stdout]    |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/convert.rs:50:37
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 Coffee::Espresso => Ok(3),
[INFO] [stdout]    |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/convert.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 Coffee::Americano => Ok(4),
[INFO] [stdout]    |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> tests/convert.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/convert.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitwrap` (test "convert") due to 9 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<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[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, Infallible>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/bits.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]   |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u32>
[INFO] [stdout]   --> tests/bits.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> tests/bits.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u32>
[INFO] [stdout]   --> tests/bits.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Default, Debug, BitWrap)]
[INFO] [stdout]    |                              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[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, Infallible>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u32>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u32>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Ipv4Addr>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ipv4Addr, Infallible>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, Ipv4Addr>
[INFO] [stdout]  --> tests/nested.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[derive(BitWrap)]
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitwrap` (test "bits") due to 21 previous errors
[INFO] [stderr] error: could not compile `bitwrap` (test "nested") due to 14 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/readme.rs:40:66
[INFO] [stdout]    |
[INFO] [stdout] 40 |           fn try_from(value: Variant) -> Result<Self, Self::Error> {
[INFO] [stdout]    |  __________________________________________________________________^
[INFO] [stdout] 41 | |             match value {
[INFO] [stdout] 42 | |                 Variant::Value55 => Ok(0x55),
[INFO] [stdout] 43 | |                 Variant::ValueAA => Ok(0xAA),
[INFO] [stdout] 44 | |             }
[INFO] [stdout] 45 | |         }
[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, Infallible>
[INFO] [stdout]   --> tests/readme.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 | /             match value {
[INFO] [stdout] 42 | |                 Variant::Value55 => Ok(0x55),
[INFO] [stdout] 43 | |                 Variant::ValueAA => Ok(0xAA),
[INFO] [stdout] 44 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/readme.rs:42:37
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 Variant::Value55 => Ok(0x55),
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/readme.rs:43:37
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 Variant::ValueAA => Ok(0xAA),
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> tests/readme.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[derive(BitWrap)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/readme.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[derive(BitWrap)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u8>
[INFO] [stdout]   --> tests/readme.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[derive(BitWrap)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u32>
[INFO] [stdout]   --> tests/readme.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[derive(BitWrap)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> tests/readme.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[derive(BitWrap)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u8>
[INFO] [stdout]   --> tests/readme.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[derive(BitWrap)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Ipv4Addr>
[INFO] [stdout]   --> tests/readme.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[derive(BitWrap)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ipv4Addr, Infallible>
[INFO] [stdout]   --> tests/readme.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[derive(BitWrap)]
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitwrap` (test "readme") due to 12 previous errors
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[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, Infallible>
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u8>
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u8>
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]   --> tests/no_std.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     #[derive(Default, BitWrap)]
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/skip.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Default, BitWrap)]
[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, Infallible>
[INFO] [stdout]  --> tests/skip.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Default, BitWrap)]
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `BitWrap` (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<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/skip.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Default, BitWrap)]
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/skip.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Default, BitWrap)]
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]  --> tests/skip.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Default, BitWrap)]
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitwrap` (test "skip") due to 5 previous errors
[INFO] [stderr] error: could not compile `bitwrap` (test "no_std") due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "53ff7647f7c70f82361fc1793ad05e314f2a3073ae9fe88c952256e3ae61f8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ff7647f7c70f82361fc1793ad05e314f2a3073ae9fe88c952256e3ae61f8fe", kill_on_drop: false }`
[INFO] [stdout] 53ff7647f7c70f82361fc1793ad05e314f2a3073ae9fe88c952256e3ae61f8fe