[INFO] cloning repository https://github.com/jackmead515/rust_pi_stepper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackmead515/rust_pi_stepper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackmead515%2Frust_pi_stepper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackmead515%2Frust_pi_stepper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0211e66a2c5b3078e2f664c6c89b3e2d1e328941
[INFO] checking jackmead515/rust_pi_stepper against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackmead515%2Frust_pi_stepper" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jackmead515/rust_pi_stepper
[INFO] finished tweaking git repo https://github.com/jackmead515/rust_pi_stepper
[INFO] tweaked toml for git repo https://github.com/jackmead515/rust_pi_stepper written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jackmead515/rust_pi_stepper on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jackmead515/rust_pi_stepper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92e8a8e6d6de81af3268c5336e0b8d69dc0fd34b9c1603ec9d6db8ae426fa109
[INFO] running `Command { std: "docker" "start" "-a" "92e8a8e6d6de81af3268c5336e0b8d69dc0fd34b9c1603ec9d6db8ae426fa109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92e8a8e6d6de81af3268c5336e0b8d69dc0fd34b9c1603ec9d6db8ae426fa109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e8a8e6d6de81af3268c5336e0b8d69dc0fd34b9c1603ec9d6db8ae426fa109", kill_on_drop: false }`
[INFO] [stdout] 92e8a8e6d6de81af3268c5336e0b8d69dc0fd34b9c1603ec9d6db8ae426fa109
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 022a1a83617321124547ae940fdc7636cc9c7db626f9792ec32c4fe37b88c9e5
[INFO] running `Command { std: "docker" "start" "-a" "022a1a83617321124547ae940fdc7636cc9c7db626f9792ec32c4fe37b88c9e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking rust_l293d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `activate_lpwm_speed`, `set_lspeed`, `lforward`, and `lbackward` are never used
[INFO] [stdout]    --> src/controller.rs:79:10
[INFO] [stdout]     |
[INFO] [stdout] 21  | impl L293D {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79  |   pub fn activate_lpwm_speed(self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83  |   pub fn set_lspeed(self, hertz: f64) {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |   pub fn lforward(self) {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |   pub fn lbackward(self) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `activate_lpwm_speed`, `set_lspeed`, `lforward`, and `lbackward` are never used
[INFO] [stdout]    --> src/controller.rs:79:10
[INFO] [stdout]     |
[INFO] [stdout] 21  | impl L293D {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79  |   pub fn activate_lpwm_speed(self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83  |   pub fn set_lspeed(self, hertz: f64) {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |   pub fn lforward(self) {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |   pub fn lbackward(self) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/controller.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     self.lpwm.unwrap().set_frequency(hertz, 0.5);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let _ = self.lpwm.unwrap().set_frequency(hertz, 0.5);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/controller.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     self.lpwm.unwrap().set_frequency(hertz, 0.5);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let _ = self.lpwm.unwrap().set_frequency(hertz, 0.5);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/controller.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     self.rpwm.as_ref().unwrap().set_frequency(hertz, 0.5);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = self.rpwm.as_ref().unwrap().set_frequency(hertz, 0.5);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/controller.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     self.rpwm.as_ref().unwrap().set_frequency(hertz, 0.5);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let _ = self.rpwm.as_ref().unwrap().set_frequency(hertz, 0.5);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "022a1a83617321124547ae940fdc7636cc9c7db626f9792ec32c4fe37b88c9e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022a1a83617321124547ae940fdc7636cc9c7db626f9792ec32c4fe37b88c9e5", kill_on_drop: false }`
[INFO] [stdout] 022a1a83617321124547ae940fdc7636cc9c7db626f9792ec32c4fe37b88c9e5