[INFO] fetching crate stepper 0.6.0...
[INFO] testing stepper-0.6.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[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 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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] [stderr]       Adding fugit v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding fugit-timer v0.1.3 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9ab58a92a1c75969e2fefc01b345bc11668e6fcf5f418e9e762bc6a47842c12
[INFO] running `Command { std: "docker" "start" "-a" "a9ab58a92a1c75969e2fefc01b345bc11668e6fcf5f418e9e762bc6a47842c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9ab58a92a1c75969e2fefc01b345bc11668e6fcf5f418e9e762bc6a47842c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ab58a92a1c75969e2fefc01b345bc11668e6fcf5f418e9e762bc6a47842c12", kill_on_drop: false }`
[INFO] [stdout] a9ab58a92a1c75969e2fefc01b345bc11668e6fcf5f418e9e762bc6a47842c12
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a15c6f9d56841d21bb2e8f5aa8a600555d9bb402c91645a3f483a01316d2410c
[INFO] running `Command { std: "docker" "start" "-a" "a15c6f9d56841d21bb2e8f5aa8a600555d9bb402c91645a3f483a01316d2410c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed v1.31.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling az v1.3.0
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling replace_with v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.8
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling fugit v0.3.9
[INFO] [stderr]    Compiling fugit-timer v0.1.3
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling fixed-sqrt v0.2.5
[INFO] [stderr]    Compiling ramp-maker v0.2.0
[INFO] [stderr]    Compiling stepper v0.6.0 (/opt/rustwide/workdir)
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.27s
[INFO] running `Command { std: "docker" "inspect" "a15c6f9d56841d21bb2e8f5aa8a600555d9bb402c91645a3f483a01316d2410c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15c6f9d56841d21bb2e8f5aa8a600555d9bb402c91645a3f483a01316d2410c", kill_on_drop: false }`
[INFO] [stdout] a15c6f9d56841d21bb2e8f5aa8a600555d9bb402c91645a3f483a01316d2410c
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37441548f24729b287917f2e84affbbf0fbe1637d5466aac62e43af3fa16069a
[INFO] running `Command { std: "docker" "start" "-a" "37441548f24729b287917f2e84affbbf0fbe1637d5466aac62e43af3fa16069a", kill_on_drop: false }`
[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]    Compiling stepper v0.6.0 (/opt/rustwide/workdir)
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "37441548f24729b287917f2e84affbbf0fbe1637d5466aac62e43af3fa16069a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37441548f24729b287917f2e84affbbf0fbe1637d5466aac62e43af3fa16069a", kill_on_drop: false }`
[INFO] [stdout] 37441548f24729b287917f2e84affbbf0fbe1637d5466aac62e43af3fa16069a
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f4bcc77c328ea93c32775327e51939b50e6e979a291cecd081d4f06a56bd9f5
[INFO] running `Command { std: "docker" "start" "-a" "5f4bcc77c328ea93c32775327e51939b50e6e979a291cecd081d4f06a56bd9f5", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/motion_control/mod.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         &mut self,
[INFO] [stderr]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 174 |         SetStepModeFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 174 |         SetStepModeFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stderr]     |                                  +++                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/motion_control/mod.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         &mut self,
[INFO] [stderr]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 210 |         SetDirectionFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 210 |         SetDirectionFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stderr]     |                                   +++                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/motion_control/mod.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         &mut self,
[INFO] [stderr]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] 246 |     ) -> Result<
[INFO] [stderr] 247 |         StepFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 247 |         StepFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stderr]     |                           +++                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: `stepper` (lib) generated 3 warnings (run `cargo fix --lib -p stepper` to apply 3 suggestions)
[INFO] [stderr] warning: `stepper` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stepper-abf1b741525d819f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test step_mode::tests::step_mode_should_convert_into_microsteps_per_step ... ok
[INFO] [stdout] test step_mode::tests::step_mode_should_provide_iterator_over_modes ... ok
[INFO] [stdout] test step_mode::tests::step_mode_should_convert_from_microsteps_per_step ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stepper
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f4bcc77c328ea93c32775327e51939b50e6e979a291cecd081d4f06a56bd9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4bcc77c328ea93c32775327e51939b50e6e979a291cecd081d4f06a56bd9f5", kill_on_drop: false }`
[INFO] [stdout] 5f4bcc77c328ea93c32775327e51939b50e6e979a291cecd081d4f06a56bd9f5
