[INFO] fetching crate stepper 0.6.0...
[INFO] checking stepper-0.6.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate stepper 0.6.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stepper 0.6.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded ramp-maker v0.2.0
[INFO] [stderr]   Downloaded fixed-sqrt v0.2.5
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.8
[INFO] [stderr]   Downloaded replace_with v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 996dd396231432a1c8197ecb554891b5c2377550c6cc830ec6378d9723f94470
[INFO] running `Command { std: "docker" "start" "-a" "996dd396231432a1c8197ecb554891b5c2377550c6cc830ec6378d9723f94470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "996dd396231432a1c8197ecb554891b5c2377550c6cc830ec6378d9723f94470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996dd396231432a1c8197ecb554891b5c2377550c6cc830ec6378d9723f94470", kill_on_drop: false }`
[INFO] [stdout] 996dd396231432a1c8197ecb554891b5c2377550c6cc830ec6378d9723f94470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1eef688a014eb6155d3fffbb8f5d4058457ddccab1cfa4005ce03f985f63053
[INFO] running `Command { std: "docker" "start" "-a" "c1eef688a014eb6155d3fffbb8f5d4058457ddccab1cfa4005ce03f985f63053", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.8
[INFO] [stderr]     Checking replace_with v0.1.8
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[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] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 174 |         SetStepModeFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                           --------------  ------------- the lifetimes get resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetimes get resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 174 |         SetStepModeFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                                  +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 210 |         SetDirectionFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                            --------------  ------------- the lifetimes get resolved as `'_`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetimes get resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 210 |         SetDirectionFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                                   +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 246 |     ) -> Result<
[INFO] [stdout] 247 |         StepFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                    --------------  ------------- the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetimes get resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 247 |         StepFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                           +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 174 |         SetStepModeFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                           --------------  ------------- the lifetimes get resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetimes get resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 174 |         SetStepModeFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                                  +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] ...
[INFO] [stdout] 210 |         SetDirectionFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                            --------------  ------------- the lifetimes get resolved as `'_`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetimes get resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 210 |         SetDirectionFuture<RefMut<'_, Driver>, RefMut<'_, Timer>, TIMER_HZ>,
[INFO] [stdout]     |                                   +++                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/motion_control/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 246 |     ) -> Result<
[INFO] [stdout] 247 |         StepFuture<RefMut<Driver>, RefMut<Timer>, TIMER_HZ>,
[INFO] [stdout]     |                    --------------  ------------- the lifetimes get resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetimes get resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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 15.23s
[INFO] running `Command { std: "docker" "inspect" "c1eef688a014eb6155d3fffbb8f5d4058457ddccab1cfa4005ce03f985f63053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1eef688a014eb6155d3fffbb8f5d4058457ddccab1cfa4005ce03f985f63053", kill_on_drop: false }`
[INFO] [stdout] c1eef688a014eb6155d3fffbb8f5d4058457ddccab1cfa4005ce03f985f63053