[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#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackmead515%2Frust_pi_stepper" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackmead515/rust_pi_stepper on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rppal v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fe6f0c8c4e3401bb5fddf7451e5544ef0c924a94fa3f92c64c06fdbef52d180
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4fe6f0c8c4e3401bb5fddf7451e5544ef0c924a94fa3f92c64c06fdbef52d180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fe6f0c8c4e3401bb5fddf7451e5544ef0c924a94fa3f92c64c06fdbef52d180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe6f0c8c4e3401bb5fddf7451e5544ef0c924a94fa3f92c64c06fdbef52d180", kill_on_drop: false }`
[INFO] [stdout] 4fe6f0c8c4e3401bb5fddf7451e5544ef0c924a94fa3f92c64c06fdbef52d180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 571b7ff0068ff5477493478ed0088ce5f2e04d55bd2d471060591a4b12077113
[INFO] running `Command { std: "docker" "start" "-a" "571b7ff0068ff5477493478ed0088ce5f2e04d55bd2d471060591a4b12077113", 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: associated function is never used: `activate_lpwm_speed`
[INFO] [stdout]   --> src/controller.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 |   pub fn activate_lpwm_speed(self) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_lspeed`
[INFO] [stdout]   --> src/controller.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |   pub fn set_lspeed(self, hertz: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lforward`
[INFO] [stdout]   --> src/controller.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |   pub fn lforward(self) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lbackward`
[INFO] [stdout]    --> src/controller.rs:100:10
[INFO] [stdout]     |
[INFO] [stdout] 100 |   pub fn lbackward(self) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `activate_lpwm_speed`
[INFO] [stdout]   --> src/controller.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 |   pub fn activate_lpwm_speed(self) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_lspeed`
[INFO] [stdout]   --> src/controller.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |   pub fn set_lspeed(self, hertz: f64) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lforward`
[INFO] [stdout]   --> src/controller.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 |   pub fn lforward(self) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lbackward`
[INFO] [stdout]    --> src/controller.rs:100:10
[INFO] [stdout]     |
[INFO] [stdout] 100 |   pub fn lbackward(self) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "571b7ff0068ff5477493478ed0088ce5f2e04d55bd2d471060591a4b12077113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571b7ff0068ff5477493478ed0088ce5f2e04d55bd2d471060591a4b12077113", kill_on_drop: false }`
[INFO] [stdout] 571b7ff0068ff5477493478ed0088ce5f2e04d55bd2d471060591a4b12077113