[INFO] updating cached repository https://github.com/jackmead515/rust_pi_stepper
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0211e66a2c5b3078e2f664c6c89b3e2d1e328941
[INFO] checking jackmead515/rust_pi_stepper against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackmead515%2Frust_pi_stepper" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackmead515/rust_pi_stepper on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jackmead515/rust_pi_stepper already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fb0a3b01b1059b1e98bcf3171bd2d98d5ee402f68dfe90f8c39caa3c5f58b593
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fb0a3b01b1059b1e98bcf3171bd2d98d5ee402f68dfe90f8c39caa3c5f58b593"`
[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] [stderr] warning: method is never used: `activate_lpwm_speed`
[INFO] [stderr]   --> src/controller.rs:79:3
[INFO] [stderr]    |
[INFO] [stderr] 79 |   pub fn activate_lpwm_speed(self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_lspeed`
[INFO] [stderr]   --> src/controller.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |   pub fn set_lspeed(self, hertz: f64) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lforward`
[INFO] [stderr]   --> src/controller.rs:91:3
[INFO] [stderr]    |
[INFO] [stderr] 91 |   pub fn lforward(self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lbackward`
[INFO] [stderr]    --> src/controller.rs:100:3
[INFO] [stderr]     |
[INFO] [stderr] 100 |   pub fn lbackward(self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/controller.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     self.lpwm.unwrap().set_frequency(hertz, 0.5);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/controller.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     self.rpwm.as_ref().unwrap().set_frequency(hertz, 0.5);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `activate_lpwm_speed`
[INFO] [stderr]   --> src/controller.rs:79:3
[INFO] [stderr]    |
[INFO] [stderr] 79 |   pub fn activate_lpwm_speed(self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_lspeed`
[INFO] [stderr]   --> src/controller.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |   pub fn set_lspeed(self, hertz: f64) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lforward`
[INFO] [stderr]   --> src/controller.rs:91:3
[INFO] [stderr]    |
[INFO] [stderr] 91 |   pub fn lforward(self) {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lbackward`
[INFO] [stderr]    --> src/controller.rs:100:3
[INFO] [stderr]     |
[INFO] [stderr] 100 |   pub fn lbackward(self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/controller.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     self.lpwm.unwrap().set_frequency(hertz, 0.5);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/controller.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     self.rpwm.as_ref().unwrap().set_frequency(hertz, 0.5);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `"docker" "inspect" "fb0a3b01b1059b1e98bcf3171bd2d98d5ee402f68dfe90f8c39caa3c5f58b593"`
[INFO] running `"docker" "rm" "-f" "fb0a3b01b1059b1e98bcf3171bd2d98d5ee402f68dfe90f8c39caa3c5f58b593"`
[INFO] [stdout] fb0a3b01b1059b1e98bcf3171bd2d98d5ee402f68dfe90f8c39caa3c5f58b593