[INFO] crate buttplug 0.1.0 is already in cache
[INFO] checking buttplug-0.1.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate buttplug 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate buttplug 0.1.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate buttplug 0.1.0
[INFO] finished tweaking crates.io crate buttplug 0.1.0
[INFO] tweaked toml for crates.io crate buttplug 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate buttplug 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d6ac28ba29f46f763b4dd9d1c3fd5911c44150e08574cdd1b477e4c538328f13
[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" "d6ac28ba29f46f763b4dd9d1c3fd5911c44150e08574cdd1b477e4c538328f13"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
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[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking winrt v0.6.0
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling buttplug_derive v0.1.0
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking btleplug v0.4.0
[INFO] [stderr]     Checking buttplug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `async_std::sync::Receiver`
[INFO] [stderr]   --> src/device/device.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use async_std::sync::Receiver;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ButtplugDeviceEvent`
[INFO] [stderr]   --> src/server/comm_managers/btleplug/btleplug_device_impl.rs:12:36
[INFO] [stderr]    |
[INFO] [stderr] 12 |             ButtplugDeviceCommand, ButtplugDeviceEvent, ButtplugDeviceImplCreator,
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Receiver`
[INFO] [stderr]   --> src/server/comm_managers/btleplug/btleplug_device_impl.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     sync::{Arc, channel, Receiver, Sender},
[INFO] [stderr]    |            ^^^           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_channel`
[INFO] [stderr]   --> src/server/comm_managers/btleplug/btleplug_device_impl.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use futures_channel;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeviceReadCmd`, `RawReading`
[INFO] [stderr]   --> src/server/comm_managers/btleplug/btleplug_internal.rs:4:26
[INFO] [stderr]    |
[INFO] [stderr] 4  |         messages::{self, RawReading},
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |             ButtplugDeviceReturn, DeviceImplCommand, DeviceReadCmd, DeviceSubscribeCmd,
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sender`
[INFO] [stderr]   --> src/server/comm_managers/btleplug/btleplug_internal.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |     sync::{channel, Receiver, Sender},
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ButtplugDeviceEvent`
[INFO] [stderr]  --> src/test/test_device.rs:5:55
[INFO] [stderr]   |
[INFO] [stderr] 5 |             DeviceSubscribeCmd, DeviceUnsubscribeCmd, ButtplugDeviceEvent, ButtplugDeviceImplCreator,
[INFO] [stderr]   |                                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `async_std::sync::Receiver`
[INFO] [stderr]   --> src/device/device.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use async_std::sync::Receiver;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ButtplugDeviceEvent`
[INFO] [stderr]   --> src/server/comm_managers/btleplug/btleplug_device_impl.rs:12:36
[INFO] [stderr]    |
[INFO] [stderr] 12 |             ButtplugDeviceCommand, ButtplugDeviceEvent, ButtplugDeviceImplCreator,
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Receiver`
[INFO] [stderr]   --> src/server/comm_managers/btleplug/btleplug_device_impl.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     sync::{Arc, channel, Receiver, Sender},
[INFO] [stderr]    |            ^^^           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_channel`
[INFO] [stderr]   --> src/server/comm_managers/btleplug/btleplug_device_impl.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use futures_channel;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeviceReadCmd`, `RawReading`
[INFO] [stderr]   --> src/server/comm_managers/btleplug/btleplug_internal.rs:4:26
[INFO] [stderr]    |
[INFO] [stderr] 4  |         messages::{self, RawReading},
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |             ButtplugDeviceReturn, DeviceImplCommand, DeviceReadCmd, DeviceSubscribeCmd,
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sender`
[INFO] [stderr]   --> src/server/comm_managers/btleplug/btleplug_internal.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |     sync::{channel, Receiver, Sender},
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ButtplugMessageUnion`, `VibrateCmd`, `VibrateSubcommand`
[INFO] [stderr]    --> src/server/comm_managers/btleplug/mod.rs:146:26
[INFO] [stderr]     |
[INFO] [stderr] 146 |         core::messages::{ButtplugMessageUnion, VibrateCmd, VibrateSubcommand},
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ButtplugDeviceEvent`
[INFO] [stderr]  --> src/test/test_device.rs:5:55
[INFO] [stderr]   |
[INFO] [stderr] 5 |             DeviceSubscribeCmd, DeviceUnsubscribeCmd, ButtplugDeviceEvent, ButtplugDeviceImplCreator,
[INFO] [stderr]   |                                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/device/protocol/generic_command_manager.rs:178:37
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn update_linear(&mut self, msg: &LinearCmd) -> Result<Option<Vec<(u32, u32)>>, ButtplugError> {
[INFO] [stderr]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/test/test_device.rs:159:31
[INFO] [stderr]     |
[INFO] [stderr] 159 |     async fn subscribe(&self, msg: DeviceSubscribeCmd) -> Result<(), ButtplugError> {
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/test/test_device.rs:163:33
[INFO] [stderr]     |
[INFO] [stderr] 163 |     async fn unsubscribe(&self, msg: DeviceUnsubscribeCmd) -> Result<(), ButtplugError> {
[INFO] [stderr]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/device/protocol/generic_command_manager.rs:178:37
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn update_linear(&mut self, msg: &LinearCmd) -> Result<Option<Vec<(u32, u32)>>, ButtplugError> {
[INFO] [stderr]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `device`
[INFO] [stderr]    --> src/server/comm_managers/btleplug/mod.rs:164:63
[INFO] [stderr]     |
[INFO] [stderr] 164 |                     DeviceCommunicationEvent::DeviceFound(mut device) => {
[INFO] [stderr]     |                                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recv`
[INFO] [stderr]    --> src/server/mod.rs:269:20
[INFO] [stderr]     |
[INFO] [stderr] 269 |         let (send, recv) = channel(256);
[INFO] [stderr]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/test/test_device.rs:159:31
[INFO] [stderr]     |
[INFO] [stderr] 159 |     async fn subscribe(&self, msg: DeviceSubscribeCmd) -> Result<(), ButtplugError> {
[INFO] [stderr]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/test/test_device.rs:163:33
[INFO] [stderr]     |
[INFO] [stderr] 163 |     async fn unsubscribe(&self, msg: DeviceUnsubscribeCmd) -> Result<(), ButtplugError> {
[INFO] [stderr]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `test`
[INFO] [stderr]    --> src/client/mod.rs:356:5
[INFO] [stderr]     |
[INFO] [stderr] 356 |     pub (crate) async fn test(&mut self) -> ButtplugClientResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sent_linear`
[INFO] [stderr]   --> src/device/protocol/generic_command_manager.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     sent_linear: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linears`
[INFO] [stderr]   --> src/device/protocol/generic_command_manager.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     linears: Vec<(u32, u32)>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linear_step_counts`
[INFO] [stderr]   --> src/device/protocol/generic_command_manager.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     linear_step_counts: Vec<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_linear`
[INFO] [stderr]    --> src/device/protocol/generic_command_manager.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn update_linear(&mut self, msg: &LinearCmd) -> Result<Option<Vec<(u32, u32)>>, ButtplugError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/server/comm_managers/btleplug/btleplug_device_impl.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 | /     pub fn new(
[INFO] [stderr] 128 | |         name: &String,
[INFO] [stderr] 129 | |         address: &String,
[INFO] [stderr] 130 | |         endpoints: Vec<Endpoint>,
[INFO] [stderr] ...   |
[INFO] [stderr] 140 | |         }
[INFO] [stderr] 141 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/test/test_device.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(specifier: DeviceSpecifier, device_impl: TestDevice) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/test/test_device.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn new(name: &str, endpoints: Vec<Endpoint>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_bluetoothle_test_device`
[INFO] [stderr]   --> src/test/test_device.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub async fn new_bluetoothle_test_device(name: &str) -> Result<(ButtplugDevice, TestDevice), ButtplugError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_endpoint_channel_clone`
[INFO] [stderr]    --> src/test/test_device.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub async fn get_endpoint_channel_clone(&self, endpoint: &Endpoint) -> (Sender<DeviceImplCommand>, Receiver<DeviceImplCommand>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_recv_value`
[INFO] [stderr]  --> src/test/mod.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub async fn check_recv_value(receiver: &Receiver<DeviceImplCommand>, command: DeviceImplCommand) {
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server/comm_managers/btleplug/mod.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             self.stop_scanning().await;
[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/server/comm_managers/btleplug/btleplug_device_impl.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 | /         self.send_to_device_task(
[INFO] [stderr] 186 | |             ButtplugDeviceCommand::Disconnect,
[INFO] [stderr] 187 | |             "Cannot disconnect device",
[INFO] [stderr] 188 | |         )
[INFO] [stderr] 189 | |         .await;
[INFO] [stderr]     | |_______________^
[INFO] [stderr]     |
[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/server/comm_managers/btleplug/btleplug_internal.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 self.device.disconnect();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/server/comm_managers/btleplug/btleplug_internal.rs:271:21
[INFO] [stderr]     |
[INFO] [stderr] 271 |                     self.output_sender.send(&ButtplugDeviceEvent::Removed).await;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/server/device_manager.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |             self.parse_device_message(messages::StopDeviceCmd::new(id).into()).await;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/server/device_manager.rs:274:17
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 self.stop_all_devices().await;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/server/comm_managers/btleplug/mod.rs:164:59
[INFO] [stderr]     |
[INFO] [stderr] 164 |                     DeviceCommunicationEvent::DeviceFound(mut device) => {
[INFO] [stderr]     |                                                           ----^^^^^^
[INFO] [stderr]     |                                                           |
[INFO] [stderr]     |                                                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sent_linear`
[INFO] [stderr]   --> src/device/protocol/generic_command_manager.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     sent_linear: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linears`
[INFO] [stderr]   --> src/device/protocol/generic_command_manager.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     linears: Vec<(u32, u32)>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `linear_step_counts`
[INFO] [stderr]   --> src/device/protocol/generic_command_manager.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     linear_step_counts: Vec<u32>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_linear`
[INFO] [stderr]    --> src/device/protocol/generic_command_manager.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn update_linear(&mut self, msg: &LinearCmd) -> Result<Option<Vec<(u32, u32)>>, ButtplugError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/server/comm_managers/btleplug/btleplug_device_impl.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 | /     pub fn new(
[INFO] [stderr] 128 | |         name: &String,
[INFO] [stderr] 129 | |         address: &String,
[INFO] [stderr] 130 | |         endpoints: Vec<Endpoint>,
[INFO] [stderr] ...   |
[INFO] [stderr] 140 | |         }
[INFO] [stderr] 141 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server/comm_managers/btleplug/mod.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             self.stop_scanning().await;
[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/server/comm_managers/btleplug/btleplug_device_impl.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 | /         self.send_to_device_task(
[INFO] [stderr] 186 | |             ButtplugDeviceCommand::Disconnect,
[INFO] [stderr] 187 | |             "Cannot disconnect device",
[INFO] [stderr] 188 | |         )
[INFO] [stderr] 189 | |         .await;
[INFO] [stderr]     | |_______________^
[INFO] [stderr]     |
[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/server/comm_managers/btleplug/btleplug_internal.rs:250:17
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 self.device.disconnect();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/server/comm_managers/btleplug/btleplug_internal.rs:271:21
[INFO] [stderr]     |
[INFO] [stderr] 271 |                     self.output_sender.send(&ButtplugDeviceEvent::Removed).await;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/server/comm_managers/btleplug/mod.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |             mgr.start_scanning().await;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/server/device_manager.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |             self.parse_device_message(messages::StopDeviceCmd::new(id).into()).await;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/server/device_manager.rs:274:17
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 self.stop_all_devices().await;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `async_std::task`
[INFO] [stderr]   --> examples/03-device-control.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use async_std::task;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> examples/03-device-control.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `async_std::task`
[INFO] [stderr]   --> examples/02-device-enumeration.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use async_std::task;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `"docker" "inspect" "d6ac28ba29f46f763b4dd9d1c3fd5911c44150e08574cdd1b477e4c538328f13"`
[INFO] running `"docker" "rm" "-f" "d6ac28ba29f46f763b4dd9d1c3fd5911c44150e08574cdd1b477e4c538328f13"`
[INFO] [stdout] d6ac28ba29f46f763b4dd9d1c3fd5911c44150e08574cdd1b477e4c538328f13
