[INFO] fetching crate stepper 0.6.0...
[INFO] checking stepper-0.6.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate stepper 0.6.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate stepper 0.6.0
[INFO] finished tweaking crates.io crate stepper 0.6.0
[INFO] tweaked toml for crates.io crate stepper 0.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stepper 0.6.0 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 28 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding embedded-hal v1.0.0-alpha.8 (available: v1.0.0)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ade36a8d12dac17e6d9f0e95d02e0d8856f7b7a86ea1da9f13813a7089c62762
[INFO] running `Command { std: "docker" "start" "-a" "ade36a8d12dac17e6d9f0e95d02e0d8856f7b7a86ea1da9f13813a7089c62762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ade36a8d12dac17e6d9f0e95d02e0d8856f7b7a86ea1da9f13813a7089c62762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade36a8d12dac17e6d9f0e95d02e0d8856f7b7a86ea1da9f13813a7089c62762", kill_on_drop: false }`
[INFO] [stdout] ade36a8d12dac17e6d9f0e95d02e0d8856f7b7a86ea1da9f13813a7089c62762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 870ab5511292d083c4ec7f61d8913969200300388f1ae1c5ca2b4c39b969f774
[INFO] running `Command { std: "docker" "start" "-a" "870ab5511292d083c4ec7f61d8913969200300388f1ae1c5ca2b4c39b969f774", kill_on_drop: false }`
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking replace_with v0.1.8
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.8
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking fugit v0.3.9
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]     Checking fixed-sqrt v0.2.5
[INFO] [stderr]     Checking ramp-maker v0.2.0
[INFO] [stderr]     Checking stepper v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Dir, Infallible>
[INFO] [stdout]    --> src/drivers/drv8825.rs:173:62
[INFO] [stdout]     |
[INFO] [stdout] 173 |       fn dir(&mut self) -> Result<&mut Self::Dir, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________^
[INFO] [stdout] 174 | |         Ok(&mut self.dir)
[INFO] [stdout] 175 | |     }
[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<&mut Dir, Infallible>
[INFO] [stdout]    --> src/drivers/drv8825.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Ok(&mut self.dir)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Step, Infallible>
[INFO] [stdout]    --> src/drivers/drv8825.rs:214:64
[INFO] [stdout]     |
[INFO] [stdout] 214 |       fn step(&mut self) -> Result<&mut Self::Step, Self::Error> {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 215 | |         Ok(&mut self.step)
[INFO] [stdout] 216 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Step, Infallible>
[INFO] [stdout]    --> src/drivers/drv8825.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         Ok(&mut self.step)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut DirMode4, Infallible>
[INFO] [stdout]    --> src/drivers/stspin220.rs:203:62
[INFO] [stdout]     |
[INFO] [stdout] 203 |       fn dir(&mut self) -> Result<&mut Self::Dir, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________^
[INFO] [stdout] 204 | |         Ok(&mut self.dir_mode4)
[INFO] [stdout] 205 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut DirMode4, Infallible>
[INFO] [stdout]    --> src/drivers/stspin220.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         Ok(&mut self.dir_mode4)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut StepMode3, Infallible>
[INFO] [stdout]    --> src/drivers/stspin220.rs:257:64
[INFO] [stdout]     |
[INFO] [stdout] 257 |       fn step(&mut self) -> Result<&mut Self::Step, Self::Error> {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 258 | |         Ok(&mut self.step_mode3)
[INFO] [stdout] 259 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut StepMode3, Infallible>
[INFO] [stdout]    --> src/drivers/stspin220.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         Ok(&mut self.step_mode3)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Dir, Infallible>
[INFO] [stdout]   --> src/drivers/dq542ma.rs:69:62
[INFO] [stdout]    |
[INFO] [stdout] 69 |       fn dir(&mut self) -> Result<&mut Self::Dir, Self::Error> {
[INFO] [stdout]    |  ______________________________________________________________^
[INFO] [stdout] 70 | |         Ok(&mut self.dir)
[INFO] [stdout] 71 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Dir, Infallible>
[INFO] [stdout]   --> src/drivers/dq542ma.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Ok(&mut self.dir)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Step, Infallible>
[INFO] [stdout]    --> src/drivers/dq542ma.rs:99:64
[INFO] [stdout]     |
[INFO] [stdout]  99 |       fn step(&mut self) -> Result<&mut Self::Step, Self::Error> {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 100 | |         Ok(&mut self.step)
[INFO] [stdout] 101 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Step, Infallible>
[INFO] [stdout]    --> src/drivers/dq542ma.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         Ok(&mut self.step)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 174 |         SetStepModeFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 174 |         SetStepModeFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                                  +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 210 |         SetDirectionFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 210 |         SetDirectionFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                                   +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 246 |     ) -> Result<
[INFO] [stdout] 247 |         StepFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 247 |         StepFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                           +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stepper` (lib) due to 12 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Dir, Infallible>
[INFO] [stdout]    --> src/drivers/drv8825.rs:173:62
[INFO] [stdout]     |
[INFO] [stdout] 173 |       fn dir(&mut self) -> Result<&mut Self::Dir, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________^
[INFO] [stdout] 174 | |         Ok(&mut self.dir)
[INFO] [stdout] 175 | |     }
[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<&mut Dir, Infallible>
[INFO] [stdout]    --> src/drivers/drv8825.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         Ok(&mut self.dir)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Step, Infallible>
[INFO] [stdout]    --> src/drivers/drv8825.rs:214:64
[INFO] [stdout]     |
[INFO] [stdout] 214 |       fn step(&mut self) -> Result<&mut Self::Step, Self::Error> {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 215 | |         Ok(&mut self.step)
[INFO] [stdout] 216 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Step, Infallible>
[INFO] [stdout]    --> src/drivers/drv8825.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         Ok(&mut self.step)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut DirMode4, Infallible>
[INFO] [stdout]    --> src/drivers/stspin220.rs:203:62
[INFO] [stdout]     |
[INFO] [stdout] 203 |       fn dir(&mut self) -> Result<&mut Self::Dir, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________^
[INFO] [stdout] 204 | |         Ok(&mut self.dir_mode4)
[INFO] [stdout] 205 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut DirMode4, Infallible>
[INFO] [stdout]    --> src/drivers/stspin220.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         Ok(&mut self.dir_mode4)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut StepMode3, Infallible>
[INFO] [stdout]    --> src/drivers/stspin220.rs:257:64
[INFO] [stdout]     |
[INFO] [stdout] 257 |       fn step(&mut self) -> Result<&mut Self::Step, Self::Error> {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 258 | |         Ok(&mut self.step_mode3)
[INFO] [stdout] 259 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut StepMode3, Infallible>
[INFO] [stdout]    --> src/drivers/stspin220.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         Ok(&mut self.step_mode3)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Dir, Infallible>
[INFO] [stdout]   --> src/drivers/dq542ma.rs:69:62
[INFO] [stdout]    |
[INFO] [stdout] 69 |       fn dir(&mut self) -> Result<&mut Self::Dir, Self::Error> {
[INFO] [stdout]    |  ______________________________________________________________^
[INFO] [stdout] 70 | |         Ok(&mut self.dir)
[INFO] [stdout] 71 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Dir, Infallible>
[INFO] [stdout]   --> src/drivers/dq542ma.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Ok(&mut self.dir)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Step, Infallible>
[INFO] [stdout]    --> src/drivers/dq542ma.rs:99:64
[INFO] [stdout]     |
[INFO] [stdout]  99 |       fn step(&mut self) -> Result<&mut Self::Step, Self::Error> {
[INFO] [stdout]     |  ________________________________________________________________^
[INFO] [stdout] 100 | |         Ok(&mut self.step)
[INFO] [stdout] 101 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&mut Step, Infallible>
[INFO] [stdout]    --> src/drivers/dq542ma.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         Ok(&mut self.step)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 174 |         SetStepModeFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 174 |         SetStepModeFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                                  +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 210 |         SetDirectionFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 210 |         SetDirectionFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                                   +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 246 |     ) -> Result<
[INFO] [stdout] 247 |         StepFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 247 |         StepFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                           +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stepper` (lib test) due to 12 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "870ab5511292d083c4ec7f61d8913969200300388f1ae1c5ca2b4c39b969f774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870ab5511292d083c4ec7f61d8913969200300388f1ae1c5ca2b4c39b969f774", kill_on_drop: false }`
[INFO] [stdout] 870ab5511292d083c4ec7f61d8913969200300388f1ae1c5ca2b4c39b969f774
