[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitohata%2Frpi-sensers" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hitohata/rpi-sensers on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/source/Cargo.toml [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/hitohata/DHT11.git` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded embedded-hal v1.0.0-alpha.9 [INFO] [stderr] Downloaded embedded-hal-nb v1.0.0-alpha.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc791df136afb8099c3d999e4df3493db0f9ff9b28aab6d3a9062e3c1700c4c2 [INFO] running `Command { std: "docker" "start" "-a" "cc791df136afb8099c3d999e4df3493db0f9ff9b28aab6d3a9062e3c1700c4c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc791df136afb8099c3d999e4df3493db0f9ff9b28aab6d3a9062e3c1700c4c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc791df136afb8099c3d999e4df3493db0f9ff9b28aab6d3a9062e3c1700c4c2", kill_on_drop: false }` [INFO] [stdout] cc791df136afb8099c3d999e4df3493db0f9ff9b28aab6d3a9062e3c1700c4c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af22d8635f242a013b732e046cc33984ba0018b1e36c7196b1aa142836cc0c41 [INFO] running `Command { std: "docker" "start" "-a" "af22d8635f242a013b732e046cc33984ba0018b1e36c7196b1aa142836cc0c41", kill_on_drop: false }` [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] Compiling tokio v1.28.2 [INFO] [stderr] Compiling thiserror-impl v1.0.40 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking embedded-hal-nb v1.0.0-alpha.1 [INFO] [stderr] Checking rppal v0.14.1 [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)]` 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] 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)]` 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: 3 warnings emitted [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)]` 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] 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)]` 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: 3 warnings emitted [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `NetworkAccess` is never constructed [INFO] [stdout] --> src/indicator_lights/information_lights.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 70 | pub enum InformationKind { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] 71 | ThermoHumidity(LED), [INFO] [stdout] 72 | NetworkAccess(LED), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InformationKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | info_indicator_tx1.send(InformationKind::SensorError(LED::ON)); [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] 21 | let _ = info_indicator_tx1.send(InformationKind::SensorError(LED::ON)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | info_indicator_tx1.send(InformationKind::ThermoHumidity(LED::ON)); [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] 29 | let _ = info_indicator_tx1.send(InformationKind::ThermoHumidity(LED::ON)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | info_indicator_tx1.send(InformationKind::ThermoHumidity(LED::OFF)); [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] 44 | let _ = info_indicator_tx1.send(InformationKind::ThermoHumidity(LED::OFF)); [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)]` on by default [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] 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: variant `NetworkAccess` is never constructed [INFO] [stdout] --> src/indicator_lights/information_lights.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 70 | pub enum InformationKind { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] 71 | ThermoHumidity(LED), [INFO] [stdout] 72 | NetworkAccess(LED), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InformationKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | info_indicator_tx1.send(InformationKind::SensorError(LED::ON)); [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] 21 | let _ = info_indicator_tx1.send(InformationKind::SensorError(LED::ON)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | info_indicator_tx1.send(InformationKind::ThermoHumidity(LED::ON)); [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] 29 | let _ = info_indicator_tx1.send(InformationKind::ThermoHumidity(LED::ON)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | info_indicator_tx1.send(InformationKind::ThermoHumidity(LED::OFF)); [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] 44 | let _ = info_indicator_tx1.send(InformationKind::ThermoHumidity(LED::OFF)); [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] 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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s [INFO] running `Command { std: "docker" "inspect" "af22d8635f242a013b732e046cc33984ba0018b1e36c7196b1aa142836cc0c41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af22d8635f242a013b732e046cc33984ba0018b1e36c7196b1aa142836cc0c41", kill_on_drop: false }` [INFO] [stdout] af22d8635f242a013b732e046cc33984ba0018b1e36c7196b1aa142836cc0c41