[INFO] cloning repository https://github.com/Jojograndjojo/rustythingy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jojograndjojo/rustythingy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJojograndjojo%2Frustythingy", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1969d40a49da8c7531825e97daf052a3d9062cf
[INFO] checking Jojograndjojo/rustythingy against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJojograndjojo%2Frustythingy" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jojograndjojo/rustythingy 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 }`
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[INFO] finished tweaking git repo https://github.com/Jojograndjojo/rustythingy
[INFO] tweaked toml for git repo https://github.com/Jojograndjojo/rustythingy written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jojograndjojo/rustythingy already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `super::pin_mock::PinMockGenerator`
[INFO] [stdout]  --> src/transceiver/transceiver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::pin_mock::PinMockGenerator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/transceiver/transceiver.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::pin_mock::PinMockGenerator`
[INFO] [stdout]  --> src/sonar/sonar.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::pin_mock::PinMockGenerator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::transceiver_mock::TransceiverMockGenerator`
[INFO] [stdout]  --> src/sonar/sonar.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::transceiver_mock::TransceiverMockGenerator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/sonar/sonar.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trigger_pin`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         trigger_pin: &impl PinInterface,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trigger_pin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `echo_pin`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         echo_pin: &impl PinInterface,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transceiver`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         transceiver: &impl TransceiverInterface,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `green_light_pin`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let green_light_pin = Pin::new(GREEN_LIGHT_PIN);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_green_light_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `green_light_pin_value` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut green_light_pin_value;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_green_light_pin_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `green_light_pin_value` is never read
[INFO] [stdout]   --> src/main.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 green_light_pin_value = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `green_light_pin_value` is never read
[INFO] [stdout]   --> src/main.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 green_light_pin_value = 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl SonarSpy {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 20 |     fn new() -> SonarSpy {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SonarMockGenerator` is never constructed
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct SonarMockGenerator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_mock` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl SonarMockGenerator {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 37 |     pub fn generate_mock(&mut self) -> SonarMock {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `when_distance_to_obstacle_cm_called_return` and `verify_distance_to_obstacle_cm_has_been_called` are never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl SonarMock {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 69 |     pub fn when_distance_to_obstacle_cm_called_return(&self, result: Result<u64,Error>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn verify_distance_to_obstacle_cm_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_spy` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn store_spy(spy_id: String, spy: SonarSpy) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_spy_id` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn generate_spy_id() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         transceiver.trigger(&red_light_pin, red_light_pin_value, 500);
[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] 62 |         let _ = transceiver.trigger(&red_light_pin, red_light_pin_value, 500);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/pin/pin.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         self.with_exported( || {
[INFO] [stdout] 11 | |             self.set_direction(Direction::Low)?;
[INFO] [stdout] 12 | |             self.set_value(value)?;
[INFO] [stdout] 13 | |             sleep(Duration::from_millis(duration_ms));
[INFO] [stdout] 14 | |             Ok(())
[INFO] [stdout] 15 | |         });
[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] 10 |         let _ = self.with_exported( || {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trigger_pin`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         trigger_pin: &impl PinInterface,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trigger_pin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `echo_pin`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         echo_pin: &impl PinInterface,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transceiver`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         transceiver: &impl TransceiverInterface,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `green_light_pin`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let green_light_pin = Pin::new(GREEN_LIGHT_PIN);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_green_light_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `green_light_pin_value` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut green_light_pin_value;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_green_light_pin_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `green_light_pin_value` is never read
[INFO] [stdout]   --> src/main.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 green_light_pin_value = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `green_light_pin_value` is never read
[INFO] [stdout]   --> src/main.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 green_light_pin_value = 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transceiver/transceiver_mock.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl TransceiverSpy {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 21 |     fn new() -> TransceiverSpy {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransceiverMockGenerator` is never constructed
[INFO] [stdout]   --> src/transceiver/transceiver_mock.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct TransceiverMockGenerator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_mock` is never used
[INFO] [stdout]   --> src/transceiver/transceiver_mock.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl TransceiverMockGenerator {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] 40 |     pub fn generate_mock(&mut self) -> TransceiverMock {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `when_trigger_called_return`, `verify_trigger_has_been_called`, `when_echo_called_return`, and `verify_echo_has_been_called` are never used
[INFO] [stdout]    --> src/transceiver/transceiver_mock.rs:79:12
[INFO] [stdout]     |
[INFO] [stdout] 78  | impl TransceiverMock {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] 79  |     pub fn when_trigger_called_return(&self, result: Result<(),Error>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |     pub fn verify_trigger_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     pub fn when_echo_called_return(&self, result: Result<u8, Error>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn verify_echo_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_spy` is never used
[INFO] [stdout]    --> src/transceiver/transceiver_mock.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn store_spy(spy_id: String, spy: TransceiverSpy) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_spy_id` is never used
[INFO] [stdout]    --> src/transceiver/transceiver_mock.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn generate_spy_id() -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pin/pin_mock.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl PinSpy {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 20 |     fn new() -> PinSpy {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PinMockGenerator` is never constructed
[INFO] [stdout]   --> src/pin/pin_mock.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct PinMockGenerator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_mock` is never used
[INFO] [stdout]   --> src/pin/pin_mock.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl PinMockGenerator {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 39 |     pub fn generate_mock(&mut self) -> PinMock {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `when_transmit_called_return`, `when_read_called_return`, `verify_transmit_calls_has_been_called`, and `verify_read_calls_has_been_called` are never used
[INFO] [stdout]    --> src/pin/pin_mock.rs:75:12
[INFO] [stdout]     |
[INFO] [stdout] 74  | impl PinMock {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] 75  |     pub fn when_transmit_called_return(&self, result: Result<(),Error>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |     pub fn when_read_called_return(&self, result: Option<u8>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92  |     pub fn verify_transmit_calls_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn verify_read_calls_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_spy` is never used
[INFO] [stdout]    --> src/pin/pin_mock.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn store_spy(spy_id: String, spy: PinSpy) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_spy_id` is never used
[INFO] [stdout]    --> src/pin/pin_mock.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn generate_spy_id() -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl SonarSpy {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 20 |     fn new() -> SonarSpy {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SonarMockGenerator` is never constructed
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct SonarMockGenerator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_mock` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl SonarMockGenerator {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 37 |     pub fn generate_mock(&mut self) -> SonarMock {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `when_distance_to_obstacle_cm_called_return` and `verify_distance_to_obstacle_cm_has_been_called` are never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl SonarMock {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 69 |     pub fn when_distance_to_obstacle_cm_called_return(&self, result: Result<u64,Error>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn verify_distance_to_obstacle_cm_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_spy` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn store_spy(spy_id: String, spy: SonarSpy) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_spy_id` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn generate_spy_id() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         transceiver.trigger(&red_light_pin, red_light_pin_value, 500);
[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] 62 |         let _ = transceiver.trigger(&red_light_pin, red_light_pin_value, 500);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/pin/pin.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         self.with_exported( || {
[INFO] [stdout] 11 | |             self.set_direction(Direction::Low)?;
[INFO] [stdout] 12 | |             self.set_value(value)?;
[INFO] [stdout] 13 | |             sleep(Duration::from_millis(duration_ms));
[INFO] [stdout] 14 | |             Ok(())
[INFO] [stdout] 15 | |         });
[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] 10 |         let _ = self.with_exported( || {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6c81359a81bcdf08030ebc8a1e2ef8f603c7b7aa8c14017cabd7a18af4fb60aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c81359a81bcdf08030ebc8a1e2ef8f603c7b7aa8c14017cabd7a18af4fb60aa", kill_on_drop: false }`
[INFO] [stdout] 6c81359a81bcdf08030ebc8a1e2ef8f603c7b7aa8c14017cabd7a18af4fb60aa
[INFO] checking Jojograndjojo/rustythingy against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJojograndjojo%2Frustythingy" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jojograndjojo/rustythingy on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jojograndjojo/rustythingy
[INFO] finished tweaking git repo https://github.com/Jojograndjojo/rustythingy
[INFO] tweaked toml for git repo https://github.com/Jojograndjojo/rustythingy written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jojograndjojo/rustythingy 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c79ceb94365827c6b0792c7202ec5612bb184f5f0cba4a5264435a35063c3ec
[INFO] running `Command { std: "docker" "start" "-a" "1c79ceb94365827c6b0792c7202ec5612bb184f5f0cba4a5264435a35063c3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c79ceb94365827c6b0792c7202ec5612bb184f5f0cba4a5264435a35063c3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c79ceb94365827c6b0792c7202ec5612bb184f5f0cba4a5264435a35063c3ec", kill_on_drop: false }`
[INFO] [stdout] 1c79ceb94365827c6b0792c7202ec5612bb184f5f0cba4a5264435a35063c3ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc94947aad954c0e48151b5f4a441ae777fc9029e6be90107aa3c79d7f974d54
[INFO] running `Command { std: "docker" "start" "-a" "bc94947aad954c0e48151b5f4a441ae777fc9029e6be90107aa3c79d7f974d54", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `super::pin_mock::PinMockGenerator`
[INFO] [stdout]  --> src/transceiver/transceiver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::pin_mock::PinMockGenerator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/transceiver/transceiver.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::pin_mock::PinMockGenerator`
[INFO] [stdout]  --> src/sonar/sonar.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::pin_mock::PinMockGenerator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::transceiver_mock::TransceiverMockGenerator`
[INFO] [stdout]  --> src/sonar/sonar.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::transceiver_mock::TransceiverMockGenerator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/sonar/sonar.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trigger_pin`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         trigger_pin: &impl PinInterface,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trigger_pin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `echo_pin`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         echo_pin: &impl PinInterface,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transceiver`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         transceiver: &impl TransceiverInterface,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `green_light_pin`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let green_light_pin = Pin::new(GREEN_LIGHT_PIN);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_green_light_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `green_light_pin_value` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut green_light_pin_value;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_green_light_pin_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `green_light_pin_value` is never read
[INFO] [stdout]   --> src/main.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 green_light_pin_value = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `green_light_pin_value` is never read
[INFO] [stdout]   --> src/main.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 green_light_pin_value = 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transceiver/transceiver_mock.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl TransceiverSpy {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 21 |     fn new() -> TransceiverSpy {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransceiverMockGenerator` is never constructed
[INFO] [stdout]   --> src/transceiver/transceiver_mock.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct TransceiverMockGenerator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_mock` is never used
[INFO] [stdout]   --> src/transceiver/transceiver_mock.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl TransceiverMockGenerator {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] 40 |     pub fn generate_mock(&mut self) -> TransceiverMock {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trigger_pin`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         trigger_pin: &impl PinInterface,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trigger_pin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `echo_pin`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         echo_pin: &impl PinInterface,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transceiver`
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         transceiver: &impl TransceiverInterface,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `when_trigger_called_return`, `verify_trigger_has_been_called`, `when_echo_called_return`, and `verify_echo_has_been_called` are never used
[INFO] [stdout]    --> src/transceiver/transceiver_mock.rs:79:12
[INFO] [stdout]     |
[INFO] [stdout] 78  | impl TransceiverMock {
[INFO] [stdout]     | -------------------- methods in this implementation
[INFO] [stdout] 79  |     pub fn when_trigger_called_return(&self, result: Result<(),Error>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |     pub fn verify_trigger_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     pub fn when_echo_called_return(&self, result: Result<u8, Error>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn verify_echo_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_spy` is never used
[INFO] [stdout]    --> src/transceiver/transceiver_mock.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn store_spy(spy_id: String, spy: TransceiverSpy) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_spy_id` is never used
[INFO] [stdout]    --> src/transceiver/transceiver_mock.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn generate_spy_id() -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pin/pin_mock.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl PinSpy {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 20 |     fn new() -> PinSpy {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PinMockGenerator` is never constructed
[INFO] [stdout]   --> src/pin/pin_mock.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct PinMockGenerator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_mock` is never used
[INFO] [stdout]   --> src/pin/pin_mock.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl PinMockGenerator {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 39 |     pub fn generate_mock(&mut self) -> PinMock {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `when_transmit_called_return`, `when_read_called_return`, `verify_transmit_calls_has_been_called`, and `verify_read_calls_has_been_called` are never used
[INFO] [stdout]    --> src/pin/pin_mock.rs:75:12
[INFO] [stdout]     |
[INFO] [stdout] 74  | impl PinMock {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] 75  |     pub fn when_transmit_called_return(&self, result: Result<(),Error>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |     pub fn when_read_called_return(&self, result: Option<u8>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92  |     pub fn verify_transmit_calls_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn verify_read_calls_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_spy` is never used
[INFO] [stdout]    --> src/pin/pin_mock.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn store_spy(spy_id: String, spy: PinSpy) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_spy_id` is never used
[INFO] [stdout]    --> src/pin/pin_mock.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn generate_spy_id() -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl SonarSpy {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 20 |     fn new() -> SonarSpy {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SonarMockGenerator` is never constructed
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct SonarMockGenerator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_mock` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl SonarMockGenerator {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 37 |     pub fn generate_mock(&mut self) -> SonarMock {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `when_distance_to_obstacle_cm_called_return` and `verify_distance_to_obstacle_cm_has_been_called` are never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl SonarMock {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 69 |     pub fn when_distance_to_obstacle_cm_called_return(&self, result: Result<u64,Error>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn verify_distance_to_obstacle_cm_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_spy` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn store_spy(spy_id: String, spy: SonarSpy) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_spy_id` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn generate_spy_id() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         transceiver.trigger(&red_light_pin, red_light_pin_value, 500);
[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] 62 |         let _ = transceiver.trigger(&red_light_pin, red_light_pin_value, 500);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/pin/pin.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         self.with_exported( || {
[INFO] [stdout] 11 | |             self.set_direction(Direction::Low)?;
[INFO] [stdout] 12 | |             self.set_value(value)?;
[INFO] [stdout] 13 | |             sleep(Duration::from_millis(duration_ms));
[INFO] [stdout] 14 | |             Ok(())
[INFO] [stdout] 15 | |         });
[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] 10 |         let _ = self.with_exported( || {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `green_light_pin`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let green_light_pin = Pin::new(GREEN_LIGHT_PIN);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_green_light_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `green_light_pin_value` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut green_light_pin_value;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_green_light_pin_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `green_light_pin_value` is never read
[INFO] [stdout]   --> src/main.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 green_light_pin_value = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `green_light_pin_value` is never read
[INFO] [stdout]   --> src/main.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 green_light_pin_value = 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl SonarSpy {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 20 |     fn new() -> SonarSpy {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SonarMockGenerator` is never constructed
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct SonarMockGenerator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_mock` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl SonarMockGenerator {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 37 |     pub fn generate_mock(&mut self) -> SonarMock {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `when_distance_to_obstacle_cm_called_return` and `verify_distance_to_obstacle_cm_has_been_called` are never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl SonarMock {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 69 |     pub fn when_distance_to_obstacle_cm_called_return(&self, result: Result<u64,Error>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn verify_distance_to_obstacle_cm_has_been_called(&self, calls: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_spy` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn store_spy(spy_id: String, spy: SonarSpy) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_spy_id` is never used
[INFO] [stdout]   --> src/sonar/sonar_mock.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn generate_spy_id() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         transceiver.trigger(&red_light_pin, red_light_pin_value, 500);
[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] 62 |         let _ = transceiver.trigger(&red_light_pin, red_light_pin_value, 500);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/pin/pin.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         self.with_exported( || {
[INFO] [stdout] 11 | |             self.set_direction(Direction::Low)?;
[INFO] [stdout] 12 | |             self.set_value(value)?;
[INFO] [stdout] 13 | |             sleep(Duration::from_millis(duration_ms));
[INFO] [stdout] 14 | |             Ok(())
[INFO] [stdout] 15 | |         });
[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] 10 |         let _ = self.with_exported( || {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "bc94947aad954c0e48151b5f4a441ae777fc9029e6be90107aa3c79d7f974d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc94947aad954c0e48151b5f4a441ae777fc9029e6be90107aa3c79d7f974d54", kill_on_drop: false }`
[INFO] [stdout] bc94947aad954c0e48151b5f4a441ae777fc9029e6be90107aa3c79d7f974d54