[INFO] cloning repository https://github.com/hitohata/rpi-sensers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hitohata/rpi-sensers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitohata%2Frpi-sensers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitohata%2Frpi-sensers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e15773c64c6926e6fc9d15dd87cbe7b6e89562ae
[INFO] checking hitohata/rpi-sensers against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitohata%2Frpi-sensers" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hitohata/rpi-sensers
[INFO] finished tweaking git repo https://github.com/hitohata/rpi-sensers
[INFO] tweaked toml for git repo https://github.com/hitohata/rpi-sensers written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hitohata/rpi-sensers on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hitohata/rpi-sensers 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1016e5c43171d6b8660cca8682087139fd43cf7577896dbdc40acf911080eec5
[INFO] running `Command { std: "docker" "start" "1016e5c43171d6b8660cca8682087139fd43cf7577896dbdc40acf911080eec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1016e5c43171d6b8660cca8682087139fd43cf7577896dbdc40acf911080eec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1016e5c43171d6b8660cca8682087139fd43cf7577896dbdc40acf911080eec5" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1016e5c43171d6b8660cca8682087139fd43cf7577896dbdc40acf911080eec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1016e5c43171d6b8660cca8682087139fd43cf7577896dbdc40acf911080eec5" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.9
[INFO] [stderr]     Checking spin_sleep v1.1.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0-alpha.1
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking rppal v0.14.1
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking dht11 v0.1.0 (https://github.com/hitohata/DHT11.git#f4895782)
[INFO] [stderr]     Checking rpi_sensor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `change_network_error` is never used
[INFO] [stdout]   --> src/indicator_lights/information_lights.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl StateHandler {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn change_network_error(&self, state: LED) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `blink` is never used
[INFO] [stdout]   --> src/indicator_lights/led_light.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl LEDPin {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn blink(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `LEDPinError`
[INFO] [stdout]   --> src/indicator_lights/led_light.rs:85:34
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Err(_) => return Err(LEDPinError::GPIOInitializationFailed(self.pin).into())
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 85 -             Err(_) => return Err(LEDPinError::GPIOInitializationFailed(self.pin).into())
[INFO] [stdout] 85 +             Err(_) => return Err(LEDPinError::GPIOInitializationFailed(self.pin))
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 85 -             Err(_) => return Err(LEDPinError::GPIOInitializationFailed(self.pin).into())
[INFO] [stdout] 85 +             Err(_) => return Err(<LEDPinError as Into<_>>::into(LEDPinError::GPIOInitializationFailed(self.pin)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/indicator_lights/information_lights.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 LED::ON => {network_light.start_blinking();},
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 LED::ON => {let _ = network_light.start_blinking();},
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `change_network_error` is never used
[INFO] [stdout]   --> src/indicator_lights/information_lights.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl StateHandler {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn change_network_error(&self, state: LED) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `blink` is never used
[INFO] [stdout]   --> src/indicator_lights/led_light.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl LEDPin {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn blink(&mut self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `LEDPinError`
[INFO] [stdout]   --> src/indicator_lights/led_light.rs:85:34
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Err(_) => return Err(LEDPinError::GPIOInitializationFailed(self.pin).into())
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 85 -             Err(_) => return Err(LEDPinError::GPIOInitializationFailed(self.pin).into())
[INFO] [stdout] 85 +             Err(_) => return Err(LEDPinError::GPIOInitializationFailed(self.pin))
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 85 -             Err(_) => return Err(LEDPinError::GPIOInitializationFailed(self.pin).into())
[INFO] [stdout] 85 +             Err(_) => return Err(<LEDPinError as Into<_>>::into(LEDPinError::GPIOInitializationFailed(self.pin)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/indicator_lights/information_lights.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 LED::ON => {network_light.start_blinking();},
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 LED::ON => {let _ = network_light.start_blinking();},
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpi_sensor` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rpi_sensor` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1016e5c43171d6b8660cca8682087139fd43cf7577896dbdc40acf911080eec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1016e5c43171d6b8660cca8682087139fd43cf7577896dbdc40acf911080eec5", kill_on_drop: false }`
[INFO] [stdout] 1016e5c43171d6b8660cca8682087139fd43cf7577896dbdc40acf911080eec5
