[INFO] fetching crate stepper 0.6.0...
[INFO] building stepper-0.6.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate stepper 0.6.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stepper 0.6.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aba5d373b250c0bf9ddc28c1be1a277a4f2470716ebd8e3a337df883bcaf85f
[INFO] running `Command { std: "docker" "start" "-a" "0aba5d373b250c0bf9ddc28c1be1a277a4f2470716ebd8e3a337df883bcaf85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aba5d373b250c0bf9ddc28c1be1a277a4f2470716ebd8e3a337df883bcaf85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aba5d373b250c0bf9ddc28c1be1a277a4f2470716ebd8e3a337df883bcaf85f", kill_on_drop: false }`
[INFO] [stdout] 0aba5d373b250c0bf9ddc28c1be1a277a4f2470716ebd8e3a337df883bcaf85f
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76d2748921b7248907f42e462d6a44876ec7737f3d9df35a5e40276d1cc1aa0b
[INFO] running `Command { std: "docker" "start" "-a" "76d2748921b7248907f42e462d6a44876ec7737f3d9df35a5e40276d1cc1aa0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling replace_with v0.1.8
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling fugit v0.3.7
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.8
[INFO] [stderr]    Compiling fugit-timer v0.1.3
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[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 13.61s
[INFO] running `Command { std: "docker" "inspect" "76d2748921b7248907f42e462d6a44876ec7737f3d9df35a5e40276d1cc1aa0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d2748921b7248907f42e462d6a44876ec7737f3d9df35a5e40276d1cc1aa0b", kill_on_drop: false }`
[INFO] [stdout] 76d2748921b7248907f42e462d6a44876ec7737f3d9df35a5e40276d1cc1aa0b
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73cdee7d08bbd001bfde7049caf988a5662084b1a7d52a786a5f1fc2f1e6be8d
[INFO] running `Command { std: "docker" "start" "-a" "73cdee7d08bbd001bfde7049caf988a5662084b1a7d52a786a5f1fc2f1e6be8d", 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 0.67s
[INFO] running `Command { std: "docker" "inspect" "73cdee7d08bbd001bfde7049caf988a5662084b1a7d52a786a5f1fc2f1e6be8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73cdee7d08bbd001bfde7049caf988a5662084b1a7d52a786a5f1fc2f1e6be8d", kill_on_drop: false }`
[INFO] [stdout] 73cdee7d08bbd001bfde7049caf988a5662084b1a7d52a786a5f1fc2f1e6be8d
