[INFO] cloning repository https://github.com/uglyoldbob/bluetooth-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uglyoldbob/bluetooth-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuglyoldbob%2Fbluetooth-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuglyoldbob%2Fbluetooth-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6596964c02caf32a198cd49237def500537c7aa2
[INFO] testing uglyoldbob/bluetooth-rust against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuglyoldbob%2Fbluetooth-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uglyoldbob/bluetooth-rust
[INFO] finished tweaking git repo https://github.com/uglyoldbob/bluetooth-rust
[INFO] tweaked toml for git repo https://github.com/uglyoldbob/bluetooth-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uglyoldbob/bluetooth-rust on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uglyoldbob/bluetooth-rust 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 5f04cb750b76fe0634c61f9a7ec708f8d3c10e2f55fb7932911a2463e1a18019
[INFO] running `Command { std: "docker" "start" "-a" "5f04cb750b76fe0634c61f9a7ec708f8d3c10e2f55fb7932911a2463e1a18019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f04cb750b76fe0634c61f9a7ec708f8d3c10e2f55fb7932911a2463e1a18019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f04cb750b76fe0634c61f9a7ec708f8d3c10e2f55fb7932911a2463e1a18019", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 68aec8a100132255a54e83dd5a0fc1a8785109db6d288ff2050f8b710b66ad3c
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[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itoa v1.0.15
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[INFO] [stderr]    Compiling aliasable v0.1.3
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[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling ouroboros v0.18.5
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling custom_debug_derive v0.6.2
[INFO] [stderr]    Compiling custom_debug v0.6.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling dbus v0.9.7
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling bluer v0.17.3
[INFO] [stderr]    Compiling dbus-crossroads v0.5.2
[INFO] [stderr]    Compiling dbus-tokio v0.7.6
[INFO] [stderr]    Compiling bluetooth-rust v0.3.0 (/opt/rustwide/workdir/bluetooth-rust)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> bluetooth-rust/src/linux.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> bluetooth-rust/src/linux.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DeviceProperty`
[INFO] [stdout]  --> bluetooth-rust/src/linux.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bluer::{AdapterEvent, DeviceProperty};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 316 | /             return Ok(BluetoothAdapter::Bluez(
[INFO] [stdout] 317 | |                 linux::BluetoothHandler::new(self.s.unwrap()).await?,
[INFO] [stdout] 318 | |             ));
[INFO] [stdout]     | |______________- any code following this expression is unreachable
[INFO] [stdout] 319 |           }
[INFO] [stdout] 320 |           Err("No builders available".to_string())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uuid`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         uuid: crate::BluetoothUuid,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_uuid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_secure`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         is_secure: bool,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_secure`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uuid`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         uuid: crate::BluetoothUuid,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_uuid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_secure`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         is_secure: bool,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_secure`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         settings: super::BluetoothL2capProfileSettings,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adapter`
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |         for adapter in &self.adapters {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adapter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:427:29
[INFO] [stdout]     |
[INFO] [stdout] 427 |                         for p in ps {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:363:36
[INFO] [stdout]     |
[INFO] [stdout] 363 |             BluetoothStream::Bluez(pin) => None,
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:373:36
[INFO] [stdout]     |
[INFO] [stdout] 373 |             BluetoothStream::Bluez(pin) => None,
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct BluetoothRfcommSocket {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 69 |     /// The rfcomm socket data, TODO
[INFO] [stdout] 70 |     inner: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `enable` and `disable` are never used
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:222:14
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl BluetoothHandler {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 222 |     async fn enable(&mut self) {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     async fn disable(&mut self) {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 237 |     ) -> Result<BluetoothSocket, String>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 237 |     ) -> Result<BluetoothSocket<'_>, String>;
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 244 |     ) -> Result<BluetoothSocket, String>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     ) -> Result<BluetoothSocket<'_>, String>;
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:384:5
[INFO] [stdout]     |
[INFO] [stdout] 384 |     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]     = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 384 -     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout] 384 +     fn accept(self) -> impl std::future::Future<Output = Result<BluetoothStream, String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:418:5
[INFO] [stdout]     |
[INFO] [stdout] 418 |     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 418 -     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout] 418 +     fn accept(self) -> impl std::future::Future<Output = Result<BluetoothStream, String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:451:5
[INFO] [stdout]     |
[INFO] [stdout] 451 |     async fn connectable(&mut self) -> Result<BluetoothRfcommConnectableAsync, String>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 451 -     async fn connectable(&mut self) -> Result<BluetoothRfcommConnectableAsync, String>;
[INFO] [stdout] 451 +     fn connectable(&mut self) -> impl std::future::Future<Output = Result<BluetoothRfcommConnectableAsync, String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 53 |     ) -> Result<crate::BluetoothSocket, String> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     ) -> Result<crate::BluetoothSocket<'_>, String> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 62 |     ) -> Result<crate::BluetoothSocket, String> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ) -> Result<crate::BluetoothSocket<'_>, String> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bluer v0.17.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "68aec8a100132255a54e83dd5a0fc1a8785109db6d288ff2050f8b710b66ad3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68aec8a100132255a54e83dd5a0fc1a8785109db6d288ff2050f8b710b66ad3c", kill_on_drop: false }`
[INFO] [stdout] 68aec8a100132255a54e83dd5a0fc1a8785109db6d288ff2050f8b710b66ad3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 3f9f7a4c95c2f529d1176ed80604280f643deaaed8b847de2d000edc962ca4bb
[INFO] running `Command { std: "docker" "start" "-a" "3f9f7a4c95c2f529d1176ed80604280f643deaaed8b847de2d000edc962ca4bb", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> bluetooth-rust/src/linux.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> bluetooth-rust/src/linux.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DeviceProperty`
[INFO] [stdout]  --> bluetooth-rust/src/linux.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bluer::{AdapterEvent, DeviceProperty};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 316 | /             return Ok(BluetoothAdapter::Bluez(
[INFO] [stdout] 317 | |                 linux::BluetoothHandler::new(self.s.unwrap()).await?,
[INFO] [stdout] 318 | |             ));
[INFO] [stdout]     | |______________- any code following this expression is unreachable
[INFO] [stdout] 319 |           }
[INFO] [stdout] 320 |           Err("No builders available".to_string())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uuid`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         uuid: crate::BluetoothUuid,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_uuid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_secure`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         is_secure: bool,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_secure`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uuid`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         uuid: crate::BluetoothUuid,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_uuid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_secure`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         is_secure: bool,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_secure`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         settings: super::BluetoothL2capProfileSettings,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adapter`
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |         for adapter in &self.adapters {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adapter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:427:29
[INFO] [stdout]     |
[INFO] [stdout] 427 |                         for p in ps {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:363:36
[INFO] [stdout]     |
[INFO] [stdout] 363 |             BluetoothStream::Bluez(pin) => None,
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:373:36
[INFO] [stdout]     |
[INFO] [stdout] 373 |             BluetoothStream::Bluez(pin) => None,
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct BluetoothRfcommSocket {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 69 |     /// The rfcomm socket data, TODO
[INFO] [stdout] 70 |     inner: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `enable` and `disable` are never used
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:222:14
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl BluetoothHandler {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 222 |     async fn enable(&mut self) {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     async fn disable(&mut self) {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 237 |     ) -> Result<BluetoothSocket, String>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 237 |     ) -> Result<BluetoothSocket<'_>, String>;
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 244 |     ) -> Result<BluetoothSocket, String>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     ) -> Result<BluetoothSocket<'_>, String>;
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:384:5
[INFO] [stdout]     |
[INFO] [stdout] 384 |     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]     = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 384 -     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout] 384 +     fn accept(self) -> impl std::future::Future<Output = Result<BluetoothStream, String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:418:5
[INFO] [stdout]     |
[INFO] [stdout] 418 |     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 418 -     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout] 418 +     fn accept(self) -> impl std::future::Future<Output = Result<BluetoothStream, String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:451:5
[INFO] [stdout]     |
[INFO] [stdout] 451 |     async fn connectable(&mut self) -> Result<BluetoothRfcommConnectableAsync, String>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 451 -     async fn connectable(&mut self) -> Result<BluetoothRfcommConnectableAsync, String>;
[INFO] [stdout] 451 +     fn connectable(&mut self) -> impl std::future::Future<Output = Result<BluetoothRfcommConnectableAsync, String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 53 |     ) -> Result<crate::BluetoothSocket, String> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     ) -> Result<crate::BluetoothSocket<'_>, String> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 62 |     ) -> Result<crate::BluetoothSocket, String> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ) -> Result<crate::BluetoothSocket<'_>, String> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bluetooth-rust v0.3.0 (/opt/rustwide/workdir/bluetooth-rust)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> bluetooth-rust/src/linux.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> bluetooth-rust/src/linux.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DeviceProperty`
[INFO] [stdout]  --> bluetooth-rust/src/linux.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bluer::{AdapterEvent, DeviceProperty};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 316 | /             return Ok(BluetoothAdapter::Bluez(
[INFO] [stdout] 317 | |                 linux::BluetoothHandler::new(self.s.unwrap()).await?,
[INFO] [stdout] 318 | |             ));
[INFO] [stdout]     | |______________- any code following this expression is unreachable
[INFO] [stdout] 319 |           }
[INFO] [stdout] 320 |           Err("No builders available".to_string())
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uuid`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         uuid: crate::BluetoothUuid,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_uuid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_secure`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         is_secure: bool,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_secure`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uuid`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         uuid: crate::BluetoothUuid,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_uuid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_secure`
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         is_secure: bool,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_secure`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         settings: super::BluetoothL2capProfileSettings,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `adapter`
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |         for adapter in &self.adapters {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adapter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:427:29
[INFO] [stdout]     |
[INFO] [stdout] 427 |                         for p in ps {}
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:363:36
[INFO] [stdout]     |
[INFO] [stdout] 363 |             BluetoothStream::Bluez(pin) => None,
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:373:36
[INFO] [stdout]     |
[INFO] [stdout] 373 |             BluetoothStream::Bluez(pin) => None,
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct BluetoothRfcommSocket {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 69 |     /// The rfcomm socket data, TODO
[INFO] [stdout] 70 |     inner: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `enable` and `disable` are never used
[INFO] [stdout]    --> bluetooth-rust/src/linux.rs:222:14
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl BluetoothHandler {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 222 |     async fn enable(&mut self) {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     async fn disable(&mut self) {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 237 |     ) -> Result<BluetoothSocket, String>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 237 |     ) -> Result<BluetoothSocket<'_>, String>;
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 244 |     ) -> Result<BluetoothSocket, String>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 244 |     ) -> Result<BluetoothSocket<'_>, String>;
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:384:5
[INFO] [stdout]     |
[INFO] [stdout] 384 |     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]     = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 384 -     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout] 384 +     fn accept(self) -> impl std::future::Future<Output = Result<BluetoothStream, String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:418:5
[INFO] [stdout]     |
[INFO] [stdout] 418 |     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 418 -     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stdout] 418 +     fn accept(self) -> impl std::future::Future<Output = Result<BluetoothStream, String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]    --> bluetooth-rust/src/lib.rs:451:5
[INFO] [stdout]     |
[INFO] [stdout] 451 |     async fn connectable(&mut self) -> Result<BluetoothRfcommConnectableAsync, String>;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]     |
[INFO] [stdout] 451 -     async fn connectable(&mut self) -> Result<BluetoothRfcommConnectableAsync, String>;
[INFO] [stdout] 451 +     fn connectable(&mut self) -> impl std::future::Future<Output = Result<BluetoothRfcommConnectableAsync, String>> + Send;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 53 |     ) -> Result<crate::BluetoothSocket, String> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 53 |     ) -> Result<crate::BluetoothSocket<'_>, String> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> bluetooth-rust/src/linux.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 62 |     ) -> Result<crate::BluetoothSocket, String> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     ) -> Result<crate::BluetoothSocket<'_>, String> {
[INFO] [stdout]    |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bluer v0.17.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "3f9f7a4c95c2f529d1176ed80604280f643deaaed8b847de2d000edc962ca4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9f7a4c95c2f529d1176ed80604280f643deaaed8b847de2d000edc962ca4bb", kill_on_drop: false }`
[INFO] [stdout] 3f9f7a4c95c2f529d1176ed80604280f643deaaed8b847de2d000edc962ca4bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 24452bb10bc4e7f8eeb1ff4825772e4d65767becb40c7c2111124c7e54bd5a5d
[INFO] running `Command { std: "docker" "start" "-a" "24452bb10bc4e7f8eeb1ff4825772e4d65767becb40c7c2111124c7e54bd5a5d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> bluetooth-rust/src/linux.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> bluetooth-rust/src/linux.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DeviceProperty`
[INFO] [stderr]  --> bluetooth-rust/src/linux.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | use bluer::{AdapterEvent, DeviceProperty};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> bluetooth-rust/src/lib.rs:320:9
[INFO] [stderr]     |
[INFO] [stderr] 316 | /             return Ok(BluetoothAdapter::Bluez(
[INFO] [stderr] 317 | |                 linux::BluetoothHandler::new(self.s.unwrap()).await?,
[INFO] [stderr] 318 | |             ));
[INFO] [stderr]     | |______________- any code following this expression is unreachable
[INFO] [stderr] 319 |           }
[INFO] [stderr] 320 |           Err("No builders available".to_string())
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uuid`
[INFO] [stderr]   --> bluetooth-rust/src/linux.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         uuid: crate::BluetoothUuid,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_uuid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_secure`
[INFO] [stderr]   --> bluetooth-rust/src/linux.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         is_secure: bool,
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_secure`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uuid`
[INFO] [stderr]   --> bluetooth-rust/src/linux.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         uuid: crate::BluetoothUuid,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_uuid`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_secure`
[INFO] [stderr]   --> bluetooth-rust/src/linux.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         is_secure: bool,
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_secure`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `settings`
[INFO] [stderr]    --> bluetooth-rust/src/linux.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         settings: super::BluetoothL2capProfileSettings,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `adapter`
[INFO] [stderr]    --> bluetooth-rust/src/linux.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |         for adapter in &self.adapters {
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_adapter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> bluetooth-rust/src/linux.rs:427:29
[INFO] [stderr]     |
[INFO] [stderr] 427 |                         for p in ps {}
[INFO] [stderr]     |                             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pin`
[INFO] [stderr]    --> bluetooth-rust/src/lib.rs:363:36
[INFO] [stderr]     |
[INFO] [stderr] 363 |             BluetoothStream::Bluez(pin) => None,
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pin`
[INFO] [stderr]    --> bluetooth-rust/src/lib.rs:373:36
[INFO] [stderr]     |
[INFO] [stderr] 373 |             BluetoothStream::Bluez(pin) => None,
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stderr] 
[INFO] [stderr] warning: field `inner` is never read
[INFO] [stderr]   --> bluetooth-rust/src/linux.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub struct BluetoothRfcommSocket {
[INFO] [stderr]    |            --------------------- field in this struct
[INFO] [stderr] 69 |     /// The rfcomm socket data, TODO
[INFO] [stderr] 70 |     inner: u32,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `enable` and `disable` are never used
[INFO] [stderr]    --> bluetooth-rust/src/linux.rs:222:14
[INFO] [stderr]     |
[INFO] [stderr] 187 | impl BluetoothHandler {
[INFO] [stderr]     | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 222 |     async fn enable(&mut self) {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 230 |     async fn disable(&mut self) {
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> bluetooth-rust/src/lib.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         &mut self,
[INFO] [stderr]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 237 |     ) -> Result<BluetoothSocket, String>;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 237 |     ) -> Result<BluetoothSocket<'_>, String>;
[INFO] [stderr]     |                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> bluetooth-rust/src/lib.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |         &mut self,
[INFO] [stderr]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 244 |     ) -> Result<BluetoothSocket, String>;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 244 |     ) -> Result<BluetoothSocket<'_>, String>;
[INFO] [stderr]     |                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> bluetooth-rust/src/lib.rs:384:5
[INFO] [stderr]     |
[INFO] [stderr] 384 |     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stderr]     = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stderr] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stderr]     |
[INFO] [stderr] 384 -     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stderr] 384 +     fn accept(self) -> impl std::future::Future<Output = Result<BluetoothStream, String>> + Send;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> bluetooth-rust/src/lib.rs:418:5
[INFO] [stderr]     |
[INFO] [stderr] 418 |     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stderr] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stderr]     |
[INFO] [stderr] 418 -     async fn accept(self) -> Result<BluetoothStream, String>;
[INFO] [stderr] 418 +     fn accept(self) -> impl std::future::Future<Output = Result<BluetoothStream, String>> + Send;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stderr]    --> bluetooth-rust/src/lib.rs:451:5
[INFO] [stderr]     |
[INFO] [stderr] 451 |     async fn connectable(&mut self) -> Result<BluetoothRfcommConnectableAsync, String>;
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stderr] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stderr]     |
[INFO] [stderr] 451 -     async fn connectable(&mut self) -> Result<BluetoothRfcommConnectableAsync, String>;
[INFO] [stderr] 451 +     fn connectable(&mut self) -> impl std::future::Future<Output = Result<BluetoothRfcommConnectableAsync, String>> + Send;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> bluetooth-rust/src/linux.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         &mut self,
[INFO] [stderr]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 53 |     ) -> Result<crate::BluetoothSocket, String> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ) -> Result<crate::BluetoothSocket<'_>, String> {
[INFO] [stderr]    |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> bluetooth-rust/src/linux.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         &mut self,
[INFO] [stderr]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] ...
[INFO] [stderr] 62 |     ) -> Result<crate::BluetoothSocket, String> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 62 |     ) -> Result<crate::BluetoothSocket<'_>, String> {
[INFO] [stderr]    |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `bluetooth-rust` (lib) generated 22 warnings (run `cargo fix --lib -p bluetooth-rust` to apply 16 suggestions)
[INFO] [stderr] warning: `bluetooth-rust` (lib test) generated 22 warnings (22 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bluer v0.17.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/bluetooth-rust/d9999fe14f5fa134/deps/bluetooth_rust-d9999fe14f5fa134)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bluetooth_rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24452bb10bc4e7f8eeb1ff4825772e4d65767becb40c7c2111124c7e54bd5a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24452bb10bc4e7f8eeb1ff4825772e4d65767becb40c7c2111124c7e54bd5a5d", kill_on_drop: false }`
[INFO] [stdout] 24452bb10bc4e7f8eeb1ff4825772e4d65767becb40c7c2111124c7e54bd5a5d
