[INFO] fetching crate ts3plugin 0.2.1...
[INFO] testing ts3plugin-0.2.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate ts3plugin 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ts3plugin 0.2.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ts3plugin 0.2.1
[INFO] finished tweaking crates.io crate ts3plugin 0.2.1
[INFO] tweaked toml for crates.io crate ts3plugin 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b2ac389667f4a17335d5489038e0ca676cba70a69b1820a55c98eac66d30e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "74b2ac389667f4a17335d5489038e0ca676cba70a69b1820a55c98eac66d30e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b2ac389667f4a17335d5489038e0ca676cba70a69b1820a55c98eac66d30e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b2ac389667f4a17335d5489038e0ca676cba70a69b1820a55c98eac66d30e0", kill_on_drop: false }`
[INFO] [stdout] 74b2ac389667f4a17335d5489038e0ca676cba70a69b1820a55c98eac66d30e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52d9e3dd0c85d09f06de59bae056e3287eaf9a0b52151a2151b1a4b24a7cc23e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52d9e3dd0c85d09f06de59bae056e3287eaf9a0b52151a2151b1a4b24a7cc23e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ts3plugin-sys v0.3.0
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling skeptic v0.6.1
[INFO] [stderr]    Compiling ts3plugin v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/build.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |             || self.type_s.starts_with("Vec<");;
[INFO] [stdout]    |                                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/build.rs:528:26
[INFO] [stdout]     |
[INFO] [stdout] 528 | fn create_server(f: &mut Write) {
[INFO] [stdout]     |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/build.rs:678:27
[INFO] [stdout]     |
[INFO] [stdout] 678 | fn create_channel(f: &mut Write) {
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/build.rs:760:30
[INFO] [stdout]     |
[INFO] [stdout] 760 | fn create_connection(f: &mut Write) {
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initialise`
[INFO] [stdout]    --> src/build.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn initialise(&self, initialise: bool) -> PropertyBuilder<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `method_name`
[INFO] [stdout]    --> src/build.rs:274:5
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn method_name<S: Into<Cow<'a, str>>>(&self, method_name: S) -> PropertyBuilder<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ts3interface.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stdout]    |                                                          ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ts3interface.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stdout]    |                                                          ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/ts3interface.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / lazy_static! {
[INFO] [stdout] 14 | |     /// The api, plugin and plugin id
[INFO] [stdout] 15 | |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stdout] 16 | |         Mutex::new(RefCell::new((None, None)));
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ts3plugin-dfea4ac3d6bd2378/out/structs.rs:561:9
[INFO] [stdout]     |
[INFO] [stdout] 561 |     fn new(id: ServerId) -> OptionalServerData {
[INFO] [stdout]     |            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:317:41
[INFO] [stdout]     |
[INFO] [stdout] 317 |         self.channels.as_mut().ok().and_then(|mut cs| cs.remove(&channel_id))
[INFO] [stdout]     |                                               ----^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:673:7
[INFO] [stdout]     |
[INFO] [stdout] 673 |         let mut server = self.servers.get_mut(&server_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ts3interface.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |     if let Some(mut data) = data.0.as_mut() {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ts3interface.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut api = &mut data.0;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ts3interface.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut plugin = &mut data.1;
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut connection = server.add_connection(connection_id);
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 418 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:433:9
[INFO] [stdout]     |
[INFO] [stdout] 433 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:483:17
[INFO] [stdout]     |
[INFO] [stdout] 483 |             let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:488:25
[INFO] [stdout]     |
[INFO] [stdout] 488 |                     let mut channel = server.get_mut_channel(channel_id).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 520 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:521:9
[INFO] [stdout]     |
[INFO] [stdout] 521 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:548:9
[INFO] [stdout]     |
[INFO] [stdout] 548 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:549:9
[INFO] [stdout]     |
[INFO] [stdout] 549 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:575:9
[INFO] [stdout]     |
[INFO] [stdout] 575 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:580:17
[INFO] [stdout]     |
[INFO] [stdout] 580 |             let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:585:25
[INFO] [stdout]     |
[INFO] [stdout] 585 |                     let mut channel = server.get_mut_channel(channel_id).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:611:9
[INFO] [stdout]     |
[INFO] [stdout] 611 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:612:9
[INFO] [stdout]     |
[INFO] [stdout] 612 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:613:9
[INFO] [stdout]     |
[INFO] [stdout] 613 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:634:9
[INFO] [stdout]     |
[INFO] [stdout] 634 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:635:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:664:9
[INFO] [stdout]     |
[INFO] [stdout] 664 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:665:9
[INFO] [stdout]     |
[INFO] [stdout] 665 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:666:9
[INFO] [stdout]     |
[INFO] [stdout] 666 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:701:9
[INFO] [stdout]     |
[INFO] [stdout] 701 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:702:9
[INFO] [stdout]     |
[INFO] [stdout] 702 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:703:9
[INFO] [stdout]     |
[INFO] [stdout] 703 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:732:9
[INFO] [stdout]     |
[INFO] [stdout] 732 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:733:9
[INFO] [stdout]     |
[INFO] [stdout] 733 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:734:9
[INFO] [stdout]     |
[INFO] [stdout] 734 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:768:9
[INFO] [stdout]     |
[INFO] [stdout] 768 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:769:9
[INFO] [stdout]     |
[INFO] [stdout] 769 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:770:9
[INFO] [stdout]     |
[INFO] [stdout] 770 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:797:9
[INFO] [stdout]     |
[INFO] [stdout] 797 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:798:9
[INFO] [stdout]     |
[INFO] [stdout] 798 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:799:9
[INFO] [stdout]     |
[INFO] [stdout] 799 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:817:9
[INFO] [stdout]     |
[INFO] [stdout] 817 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:818:9
[INFO] [stdout]     |
[INFO] [stdout] 818 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:819:9
[INFO] [stdout]     |
[INFO] [stdout] 819 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:839:9
[INFO] [stdout]     |
[INFO] [stdout] 839 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:840:9
[INFO] [stdout]     |
[INFO] [stdout] 840 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:841:9
[INFO] [stdout]     |
[INFO] [stdout] 841 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:860:9
[INFO] [stdout]     |
[INFO] [stdout] 860 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:861:9
[INFO] [stdout]     |
[INFO] [stdout] 861 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:862:9
[INFO] [stdout]     |
[INFO] [stdout] 862 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:888:9
[INFO] [stdout]     |
[INFO] [stdout] 888 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:889:9
[INFO] [stdout]     |
[INFO] [stdout] 889 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:890:9
[INFO] [stdout]     |
[INFO] [stdout] 890 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:937:9
[INFO] [stdout]     |
[INFO] [stdout] 937 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:938:9
[INFO] [stdout]     |
[INFO] [stdout] 938 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:939:9
[INFO] [stdout]     |
[INFO] [stdout] 939 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:955:9
[INFO] [stdout]     |
[INFO] [stdout] 955 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:958:9
[INFO] [stdout]     |
[INFO] [stdout] 958 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:959:9
[INFO] [stdout]     |
[INFO] [stdout] 959 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:960:9
[INFO] [stdout]     |
[INFO] [stdout] 960 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:972:9
[INFO] [stdout]     |
[INFO] [stdout] 972 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:978:9
[INFO] [stdout]     |
[INFO] [stdout] 978 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:979:9
[INFO] [stdout]     |
[INFO] [stdout] 979 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:980:9
[INFO] [stdout]     |
[INFO] [stdout] 980 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:992:9
[INFO] [stdout]     |
[INFO] [stdout] 992 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:998:9
[INFO] [stdout]     |
[INFO] [stdout] 998 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:999:9
[INFO] [stdout]     |
[INFO] [stdout] 999 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1000:9
[INFO] [stdout]      |
[INFO] [stdout] 1000 |     let mut plugin = &mut data.1;
[INFO] [stdout]      |         ----^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1011:9
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]      |         ----^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1015:9
[INFO] [stdout]      |
[INFO] [stdout] 1015 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]      |         ----^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1016:9
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     let mut api = &mut data.0;
[INFO] [stdout]      |         ----^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1017:9
[INFO] [stdout]      |
[INFO] [stdout] 1017 |     let mut plugin = &mut data.1;
[INFO] [stdout]      |         ----^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 121 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.00s
[INFO] running `Command { std: "docker" "inspect" "52d9e3dd0c85d09f06de59bae056e3287eaf9a0b52151a2151b1a4b24a7cc23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d9e3dd0c85d09f06de59bae056e3287eaf9a0b52151a2151b1a4b24a7cc23e", kill_on_drop: false }`
[INFO] [stdout] 52d9e3dd0c85d09f06de59bae056e3287eaf9a0b52151a2151b1a4b24a7cc23e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dab611d74bb1367bf4fb776b71ca91eee033b006eaeb0aa44ed4f5aafc06209c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dab611d74bb1367bf4fb776b71ca91eee033b006eaeb0aa44ed4f5aafc06209c", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/build.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |             || self.type_s.starts_with("Vec<");;
[INFO] [stdout]    |                                                ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/build.rs:528:26
[INFO] [stdout]     |
[INFO] [stdout] 528 | fn create_server(f: &mut Write) {
[INFO] [stdout]     |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/build.rs:678:27
[INFO] [stdout]     |
[INFO] [stdout] 678 | fn create_channel(f: &mut Write) {
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/build.rs:760:30
[INFO] [stdout]     |
[INFO] [stdout] 760 | fn create_connection(f: &mut Write) {
[INFO] [stdout]     |                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initialise`
[INFO] [stdout]    --> src/build.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn initialise(&self, initialise: bool) -> PropertyBuilder<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `method_name`
[INFO] [stdout]    --> src/build.rs:274:5
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn method_name<S: Into<Cow<'a, str>>>(&self, method_name: S) -> PropertyBuilder<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ts3plugin v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ts3interface.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stdout]    |                                                          ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ts3interface.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stdout]    |                                                          ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/ts3interface.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / lazy_static! {
[INFO] [stdout] 14 | |     /// The api, plugin and plugin id
[INFO] [stdout] 15 | |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stdout] 16 | |         Mutex::new(RefCell::new((None, None)));
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ts3plugin-dfea4ac3d6bd2378/out/structs.rs:561:9
[INFO] [stdout]     |
[INFO] [stdout] 561 |     fn new(id: ServerId) -> OptionalServerData {
[INFO] [stdout]     |            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:317:41
[INFO] [stdout]     |
[INFO] [stdout] 317 |         self.channels.as_mut().ok().and_then(|mut cs| cs.remove(&channel_id))
[INFO] [stdout]     |                                               ----^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:673:7
[INFO] [stdout]     |
[INFO] [stdout] 673 |         let mut server = self.servers.get_mut(&server_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ts3interface.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |     if let Some(mut data) = data.0.as_mut() {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ts3interface.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut api = &mut data.0;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ts3interface.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut plugin = &mut data.1;
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut connection = server.add_connection(connection_id);
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 418 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:433:9
[INFO] [stdout]     |
[INFO] [stdout] 433 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:483:17
[INFO] [stdout]     |
[INFO] [stdout] 483 |             let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:488:25
[INFO] [stdout]     |
[INFO] [stdout] 488 |                     let mut channel = server.get_mut_channel(channel_id).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 520 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:521:9
[INFO] [stdout]     |
[INFO] [stdout] 521 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:548:9
[INFO] [stdout]     |
[INFO] [stdout] 548 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:549:9
[INFO] [stdout]     |
[INFO] [stdout] 549 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:575:9
[INFO] [stdout]     |
[INFO] [stdout] 575 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:580:17
[INFO] [stdout]     |
[INFO] [stdout] 580 |             let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:585:25
[INFO] [stdout]     |
[INFO] [stdout] 585 |                     let mut channel = server.get_mut_channel(channel_id).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:611:9
[INFO] [stdout]     |
[INFO] [stdout] 611 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:612:9
[INFO] [stdout]     |
[INFO] [stdout] 612 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:613:9
[INFO] [stdout]     |
[INFO] [stdout] 613 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:634:9
[INFO] [stdout]     |
[INFO] [stdout] 634 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:635:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:664:9
[INFO] [stdout]     |
[INFO] [stdout] 664 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:665:9
[INFO] [stdout]     |
[INFO] [stdout] 665 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:666:9
[INFO] [stdout]     |
[INFO] [stdout] 666 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:701:9
[INFO] [stdout]     |
[INFO] [stdout] 701 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:702:9
[INFO] [stdout]     |
[INFO] [stdout] 702 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:703:9
[INFO] [stdout]     |
[INFO] [stdout] 703 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:732:9
[INFO] [stdout]     |
[INFO] [stdout] 732 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:733:9
[INFO] [stdout]     |
[INFO] [stdout] 733 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:734:9
[INFO] [stdout]     |
[INFO] [stdout] 734 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:768:9
[INFO] [stdout]     |
[INFO] [stdout] 768 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:769:9
[INFO] [stdout]     |
[INFO] [stdout] 769 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:770:9
[INFO] [stdout]     |
[INFO] [stdout] 770 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:797:9
[INFO] [stdout]     |
[INFO] [stdout] 797 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:798:9
[INFO] [stdout]     |
[INFO] [stdout] 798 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:799:9
[INFO] [stdout]     |
[INFO] [stdout] 799 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:817:9
[INFO] [stdout]     |
[INFO] [stdout] 817 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:818:9
[INFO] [stdout]     |
[INFO] [stdout] 818 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:819:9
[INFO] [stdout]     |
[INFO] [stdout] 819 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:839:9
[INFO] [stdout]     |
[INFO] [stdout] 839 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:840:9
[INFO] [stdout]     |
[INFO] [stdout] 840 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:841:9
[INFO] [stdout]     |
[INFO] [stdout] 841 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:860:9
[INFO] [stdout]     |
[INFO] [stdout] 860 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:861:9
[INFO] [stdout]     |
[INFO] [stdout] 861 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:862:9
[INFO] [stdout]     |
[INFO] [stdout] 862 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:888:9
[INFO] [stdout]     |
[INFO] [stdout] 888 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:889:9
[INFO] [stdout]     |
[INFO] [stdout] 889 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:890:9
[INFO] [stdout]     |
[INFO] [stdout] 890 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:937:9
[INFO] [stdout]     |
[INFO] [stdout] 937 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:938:9
[INFO] [stdout]     |
[INFO] [stdout] 938 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:939:9
[INFO] [stdout]     |
[INFO] [stdout] 939 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:955:9
[INFO] [stdout]     |
[INFO] [stdout] 955 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:958:9
[INFO] [stdout]     |
[INFO] [stdout] 958 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:959:9
[INFO] [stdout]     |
[INFO] [stdout] 959 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:960:9
[INFO] [stdout]     |
[INFO] [stdout] 960 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:972:9
[INFO] [stdout]     |
[INFO] [stdout] 972 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:978:9
[INFO] [stdout]     |
[INFO] [stdout] 978 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:979:9
[INFO] [stdout]     |
[INFO] [stdout] 979 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:980:9
[INFO] [stdout]     |
[INFO] [stdout] 980 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:992:9
[INFO] [stdout]     |
[INFO] [stdout] 992 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:998:9
[INFO] [stdout]     |
[INFO] [stdout] 998 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:999:9
[INFO] [stdout]     |
[INFO] [stdout] 999 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1000:9
[INFO] [stdout]      |
[INFO] [stdout] 1000 |     let mut plugin = &mut data.1;
[INFO] [stdout]      |         ----^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1011:9
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]      |         ----^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1015:9
[INFO] [stdout]      |
[INFO] [stdout] 1015 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]      |         ----^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1016:9
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     let mut api = &mut data.0;
[INFO] [stdout]      |         ----^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1017:9
[INFO] [stdout]      |
[INFO] [stdout] 1017 |     let mut plugin = &mut data.1;
[INFO] [stdout]      |         ----^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 121 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ts3interface.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stdout]    |                                                          ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ts3interface.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stdout]    |                                                          ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/ts3interface.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / lazy_static! {
[INFO] [stdout] 14 | |     /// The api, plugin and plugin id
[INFO] [stdout] 15 | |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stdout] 16 | |         Mutex::new(RefCell::new((None, None)));
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/ts3plugin-dfea4ac3d6bd2378/out/structs.rs:561:9
[INFO] [stdout]     |
[INFO] [stdout] 561 |     fn new(id: ServerId) -> OptionalServerData {
[INFO] [stdout]     |            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:317:41
[INFO] [stdout]     |
[INFO] [stdout] 317 |         self.channels.as_mut().ok().and_then(|mut cs| cs.remove(&channel_id))
[INFO] [stdout]     |                                               ----^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:673:7
[INFO] [stdout]     |
[INFO] [stdout] 673 |         let mut server = self.servers.get_mut(&server_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ts3interface.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |     if let Some(mut data) = data.0.as_mut() {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ts3interface.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut api = &mut data.0;
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ts3interface.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut plugin = &mut data.1;
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut connection = server.add_connection(connection_id);
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:417:9
[INFO] [stdout]     |
[INFO] [stdout] 417 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:418:9
[INFO] [stdout]     |
[INFO] [stdout] 418 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:433:9
[INFO] [stdout]     |
[INFO] [stdout] 433 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:478:9
[INFO] [stdout]     |
[INFO] [stdout] 478 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:479:9
[INFO] [stdout]     |
[INFO] [stdout] 479 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:480:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:483:17
[INFO] [stdout]     |
[INFO] [stdout] 483 |             let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:488:25
[INFO] [stdout]     |
[INFO] [stdout] 488 |                     let mut channel = server.get_mut_channel(channel_id).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:520:9
[INFO] [stdout]     |
[INFO] [stdout] 520 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:521:9
[INFO] [stdout]     |
[INFO] [stdout] 521 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:522:9
[INFO] [stdout]     |
[INFO] [stdout] 522 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:548:9
[INFO] [stdout]     |
[INFO] [stdout] 548 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:549:9
[INFO] [stdout]     |
[INFO] [stdout] 549 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:550:9
[INFO] [stdout]     |
[INFO] [stdout] 550 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:575:9
[INFO] [stdout]     |
[INFO] [stdout] 575 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:580:17
[INFO] [stdout]     |
[INFO] [stdout] 580 |             let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:585:25
[INFO] [stdout]     |
[INFO] [stdout] 585 |                     let mut channel = server.get_mut_channel(channel_id).unwrap();
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:611:9
[INFO] [stdout]     |
[INFO] [stdout] 611 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:612:9
[INFO] [stdout]     |
[INFO] [stdout] 612 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:613:9
[INFO] [stdout]     |
[INFO] [stdout] 613 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:633:9
[INFO] [stdout]     |
[INFO] [stdout] 633 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:634:9
[INFO] [stdout]     |
[INFO] [stdout] 634 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:635:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:664:9
[INFO] [stdout]     |
[INFO] [stdout] 664 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:665:9
[INFO] [stdout]     |
[INFO] [stdout] 665 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:666:9
[INFO] [stdout]     |
[INFO] [stdout] 666 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:701:9
[INFO] [stdout]     |
[INFO] [stdout] 701 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:702:9
[INFO] [stdout]     |
[INFO] [stdout] 702 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:703:9
[INFO] [stdout]     |
[INFO] [stdout] 703 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:732:9
[INFO] [stdout]     |
[INFO] [stdout] 732 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:733:9
[INFO] [stdout]     |
[INFO] [stdout] 733 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:734:9
[INFO] [stdout]     |
[INFO] [stdout] 734 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:768:9
[INFO] [stdout]     |
[INFO] [stdout] 768 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:769:9
[INFO] [stdout]     |
[INFO] [stdout] 769 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:770:9
[INFO] [stdout]     |
[INFO] [stdout] 770 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:797:9
[INFO] [stdout]     |
[INFO] [stdout] 797 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:798:9
[INFO] [stdout]     |
[INFO] [stdout] 798 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:799:9
[INFO] [stdout]     |
[INFO] [stdout] 799 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:817:9
[INFO] [stdout]     |
[INFO] [stdout] 817 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:818:9
[INFO] [stdout]     |
[INFO] [stdout] 818 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:819:9
[INFO] [stdout]     |
[INFO] [stdout] 819 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:839:9
[INFO] [stdout]     |
[INFO] [stdout] 839 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:840:9
[INFO] [stdout]     |
[INFO] [stdout] 840 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:841:9
[INFO] [stdout]     |
[INFO] [stdout] 841 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:860:9
[INFO] [stdout]     |
[INFO] [stdout] 860 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:861:9
[INFO] [stdout]     |
[INFO] [stdout] 861 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:862:9
[INFO] [stdout]     |
[INFO] [stdout] 862 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:888:9
[INFO] [stdout]     |
[INFO] [stdout] 888 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:889:9
[INFO] [stdout]     |
[INFO] [stdout] 889 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:890:9
[INFO] [stdout]     |
[INFO] [stdout] 890 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:916:9
[INFO] [stdout]     |
[INFO] [stdout] 916 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:917:9
[INFO] [stdout]     |
[INFO] [stdout] 917 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:918:9
[INFO] [stdout]     |
[INFO] [stdout] 918 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:937:9
[INFO] [stdout]     |
[INFO] [stdout] 937 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:938:9
[INFO] [stdout]     |
[INFO] [stdout] 938 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:939:9
[INFO] [stdout]     |
[INFO] [stdout] 939 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:955:9
[INFO] [stdout]     |
[INFO] [stdout] 955 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:958:9
[INFO] [stdout]     |
[INFO] [stdout] 958 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:959:9
[INFO] [stdout]     |
[INFO] [stdout] 959 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:960:9
[INFO] [stdout]     |
[INFO] [stdout] 960 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:972:9
[INFO] [stdout]     |
[INFO] [stdout] 972 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:978:9
[INFO] [stdout]     |
[INFO] [stdout] 978 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:979:9
[INFO] [stdout]     |
[INFO] [stdout] 979 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:980:9
[INFO] [stdout]     |
[INFO] [stdout] 980 |     let mut plugin = &mut data.1;
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:992:9
[INFO] [stdout]     |
[INFO] [stdout] 992 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:998:9
[INFO] [stdout]     |
[INFO] [stdout] 998 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ts3interface.rs:999:9
[INFO] [stdout]     |
[INFO] [stdout] 999 |     let mut api = &mut data.0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1000:9
[INFO] [stdout]      |
[INFO] [stdout] 1000 |     let mut plugin = &mut data.1;
[INFO] [stdout]      |         ----^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1011:9
[INFO] [stdout]      |
[INFO] [stdout] 1011 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stdout]      |         ----^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1015:9
[INFO] [stdout]      |
[INFO] [stdout] 1015 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stdout]      |         ----^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1016:9
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     let mut api = &mut data.0;
[INFO] [stdout]      |         ----^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ts3interface.rs:1017:9
[INFO] [stdout]      |
[INFO] [stdout] 1017 |     let mut plugin = &mut data.1;
[INFO] [stdout]      |         ----^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 121 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "dab611d74bb1367bf4fb776b71ca91eee033b006eaeb0aa44ed4f5aafc06209c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab611d74bb1367bf4fb776b71ca91eee033b006eaeb0aa44ed4f5aafc06209c", kill_on_drop: false }`
[INFO] [stdout] dab611d74bb1367bf4fb776b71ca91eee033b006eaeb0aa44ed4f5aafc06209c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cbcf76e361c96ffe3ed99e20c6b5406af9baf962f72086c1cdbd25f93e644dbb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cbcf76e361c96ffe3ed99e20c6b5406af9baf962f72086c1cdbd25f93e644dbb", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/build.rs:86:39
[INFO] [stderr]    |
[INFO] [stderr] 86 |             || self.type_s.starts_with("Vec<");;
[INFO] [stderr]    |                                                ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build.rs:528:26
[INFO] [stderr]     |
[INFO] [stderr] 528 | fn create_server(f: &mut Write) {
[INFO] [stderr]     |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build.rs:678:27
[INFO] [stderr]     |
[INFO] [stderr] 678 | fn create_channel(f: &mut Write) {
[INFO] [stderr]     |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build.rs:760:30
[INFO] [stderr]     |
[INFO] [stderr] 760 | fn create_connection(f: &mut Write) {
[INFO] [stderr]     |                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `initialise`
[INFO] [stderr]    --> src/build.rs:250:5
[INFO] [stderr]     |
[INFO] [stderr] 250 |     fn initialise(&self, initialise: bool) -> PropertyBuilder<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `method_name`
[INFO] [stderr]    --> src/build.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn method_name<S: Into<Cow<'a, str>>>(&self, method_name: S) -> PropertyBuilder<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ts3interface.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ts3interface.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/ts3interface.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / lazy_static! {
[INFO] [stderr] 14 | |     /// The api, plugin and plugin id
[INFO] [stderr] 15 | |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stderr] 16 | |         Mutex::new(RefCell::new((None, None)));
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/ts3plugin-dfea4ac3d6bd2378/out/structs.rs:561:9
[INFO] [stderr]     |
[INFO] [stderr] 561 |     fn new(id: ServerId) -> OptionalServerData {
[INFO] [stderr]     |            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:317:41
[INFO] [stderr]     |
[INFO] [stderr] 317 |         self.channels.as_mut().ok().and_then(|mut cs| cs.remove(&channel_id))
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:673:7
[INFO] [stderr]     |
[INFO] [stderr] 673 |         let mut server = self.servers.get_mut(&server_id).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ts3interface.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |     if let Some(mut data) = data.0.as_mut() {
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ts3interface.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut api = &mut data.0;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ts3interface.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let mut plugin = &mut data.1;
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:230:9
[INFO] [stderr]     |
[INFO] [stderr] 230 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let mut connection = server.add_connection(connection_id);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:262:9
[INFO] [stderr]     |
[INFO] [stderr] 262 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:386:9
[INFO] [stderr]     |
[INFO] [stderr] 386 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:387:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:416:9
[INFO] [stderr]     |
[INFO] [stderr] 416 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:418:9
[INFO] [stderr]     |
[INFO] [stderr] 418 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:433:9
[INFO] [stderr]     |
[INFO] [stderr] 433 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:435:9
[INFO] [stderr]     |
[INFO] [stderr] 435 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:452:9
[INFO] [stderr]     |
[INFO] [stderr] 452 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:454:9
[INFO] [stderr]     |
[INFO] [stderr] 454 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:478:9
[INFO] [stderr]     |
[INFO] [stderr] 478 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:479:9
[INFO] [stderr]     |
[INFO] [stderr] 479 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:480:9
[INFO] [stderr]     |
[INFO] [stderr] 480 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:483:17
[INFO] [stderr]     |
[INFO] [stderr] 483 |             let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:488:25
[INFO] [stderr]     |
[INFO] [stderr] 488 |                     let mut channel = server.get_mut_channel(channel_id).unwrap();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:520:9
[INFO] [stderr]     |
[INFO] [stderr] 520 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:521:9
[INFO] [stderr]     |
[INFO] [stderr] 521 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:522:9
[INFO] [stderr]     |
[INFO] [stderr] 522 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:548:9
[INFO] [stderr]     |
[INFO] [stderr] 548 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:549:9
[INFO] [stderr]     |
[INFO] [stderr] 549 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:574:9
[INFO] [stderr]     |
[INFO] [stderr] 574 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:575:9
[INFO] [stderr]     |
[INFO] [stderr] 575 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:576:9
[INFO] [stderr]     |
[INFO] [stderr] 576 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:580:17
[INFO] [stderr]     |
[INFO] [stderr] 580 |             let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:585:25
[INFO] [stderr]     |
[INFO] [stderr] 585 |                     let mut channel = server.get_mut_channel(channel_id).unwrap();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:611:9
[INFO] [stderr]     |
[INFO] [stderr] 611 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:612:9
[INFO] [stderr]     |
[INFO] [stderr] 612 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:613:9
[INFO] [stderr]     |
[INFO] [stderr] 613 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:633:9
[INFO] [stderr]     |
[INFO] [stderr] 633 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:634:9
[INFO] [stderr]     |
[INFO] [stderr] 634 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:635:9
[INFO] [stderr]     |
[INFO] [stderr] 635 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:664:9
[INFO] [stderr]     |
[INFO] [stderr] 664 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:665:9
[INFO] [stderr]     |
[INFO] [stderr] 665 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:666:9
[INFO] [stderr]     |
[INFO] [stderr] 666 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:701:9
[INFO] [stderr]     |
[INFO] [stderr] 701 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:702:9
[INFO] [stderr]     |
[INFO] [stderr] 702 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:703:9
[INFO] [stderr]     |
[INFO] [stderr] 703 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:732:9
[INFO] [stderr]     |
[INFO] [stderr] 732 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:733:9
[INFO] [stderr]     |
[INFO] [stderr] 733 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:734:9
[INFO] [stderr]     |
[INFO] [stderr] 734 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:768:9
[INFO] [stderr]     |
[INFO] [stderr] 768 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:769:9
[INFO] [stderr]     |
[INFO] [stderr] 769 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:770:9
[INFO] [stderr]     |
[INFO] [stderr] 770 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:797:9
[INFO] [stderr]     |
[INFO] [stderr] 797 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:798:9
[INFO] [stderr]     |
[INFO] [stderr] 798 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:799:9
[INFO] [stderr]     |
[INFO] [stderr] 799 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:817:9
[INFO] [stderr]     |
[INFO] [stderr] 817 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:818:9
[INFO] [stderr]     |
[INFO] [stderr] 818 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:819:9
[INFO] [stderr]     |
[INFO] [stderr] 819 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:839:9
[INFO] [stderr]     |
[INFO] [stderr] 839 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:840:9
[INFO] [stderr]     |
[INFO] [stderr] 840 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:841:9
[INFO] [stderr]     |
[INFO] [stderr] 841 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:860:9
[INFO] [stderr]     |
[INFO] [stderr] 860 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:861:9
[INFO] [stderr]     |
[INFO] [stderr] 861 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:862:9
[INFO] [stderr]     |
[INFO] [stderr] 862 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:888:9
[INFO] [stderr]     |
[INFO] [stderr] 888 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:889:9
[INFO] [stderr]     |
[INFO] [stderr] 889 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:890:9
[INFO] [stderr]     |
[INFO] [stderr] 890 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:916:9
[INFO] [stderr]     |
[INFO] [stderr] 916 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:917:9
[INFO] [stderr]     |
[INFO] [stderr] 917 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:918:9
[INFO] [stderr]     |
[INFO] [stderr] 918 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:937:9
[INFO] [stderr]     |
[INFO] [stderr] 937 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:938:9
[INFO] [stderr]     |
[INFO] [stderr] 938 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:939:9
[INFO] [stderr]     |
[INFO] [stderr] 939 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ts3interface.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:955:9
[INFO] [stderr]     |
[INFO] [stderr] 955 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ts3interface.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stderr]    |                                                          ^^^^^^ help: use `dyn`: `dyn Plugin`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:958:9
[INFO] [stderr]     |
[INFO] [stderr] 958 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:959:9
[INFO] [stderr]     |
[INFO] [stderr] 959 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:960:9
[INFO] [stderr]     |
[INFO] [stderr] 960 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/ts3interface.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / lazy_static! {
[INFO] [stderr] 14 | |     /// The api, plugin and plugin id
[INFO] [stderr] 15 | |     static ref DATA: Mutex<RefCell<(Option<(::TsApi, Box<Plugin>)>, Option<String>)>> =
[INFO] [stderr] 16 | |         Mutex::new(RefCell::new((None, None)));
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:972:9
[INFO] [stderr]     |
[INFO] [stderr] 972 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:978:9
[INFO] [stderr]     |
[INFO] [stderr] 978 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/ts3plugin-dfea4ac3d6bd2378/out/structs.rs:561:9
[INFO] [stderr]     |
[INFO] [stderr] 561 |     fn new(id: ServerId) -> OptionalServerData {
[INFO] [stderr]     |            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:979:9
[INFO] [stderr]     |
[INFO] [stderr] 979 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:317:41
[INFO] [stderr]     |
[INFO] [stderr] 317 |         self.channels.as_mut().ok().and_then(|mut cs| cs.remove(&channel_id))
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:980:9
[INFO] [stderr]     |
[INFO] [stderr] 980 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:673:7
[INFO] [stderr]     |
[INFO] [stderr] 673 |         let mut server = self.servers.get_mut(&server_id).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:992:9
[INFO] [stderr]     |
[INFO] [stderr] 992 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ts3interface.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |     if let Some(mut data) = data.0.as_mut() {
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:998:9
[INFO] [stderr]     |
[INFO] [stderr] 998 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ts3interface.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut api = &mut data.0;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ts3interface.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let mut plugin = &mut data.1;
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:999:9
[INFO] [stderr]     |
[INFO] [stderr] 999 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/ts3interface.rs:1000:9
[INFO] [stderr]      |
[INFO] [stderr] 1000 |     let mut plugin = &mut data.1;
[INFO] [stderr]      |         ----^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/ts3interface.rs:1011:9
[INFO] [stderr]      |
[INFO] [stderr] 1011 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stderr]      |         ----^^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/ts3interface.rs:1015:9
[INFO] [stderr]      |
[INFO] [stderr] 1015 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]      |         ----^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/ts3interface.rs:1016:9
[INFO] [stderr]      |
[INFO] [stderr] 1016 |     let mut api = &mut data.0;
[INFO] [stderr]      |         ----^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/ts3interface.rs:1017:9
[INFO] [stderr]      |
[INFO] [stderr] 1017 |     let mut plugin = &mut data.1;
[INFO] [stderr]      |         ----^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 121 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:194:9
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:230:9
[INFO] [stderr]     |
[INFO] [stderr] 230 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let mut connection = server.add_connection(connection_id);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:262:9
[INFO] [stderr]     |
[INFO] [stderr] 262 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:386:9
[INFO] [stderr]     |
[INFO] [stderr] 386 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:387:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:416:9
[INFO] [stderr]     |
[INFO] [stderr] 416 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:418:9
[INFO] [stderr]     |
[INFO] [stderr] 418 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:433:9
[INFO] [stderr]     |
[INFO] [stderr] 433 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:435:9
[INFO] [stderr]     |
[INFO] [stderr] 435 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:452:9
[INFO] [stderr]     |
[INFO] [stderr] 452 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:453:9
[INFO] [stderr]     |
[INFO] [stderr] 453 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:454:9
[INFO] [stderr]     |
[INFO] [stderr] 454 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:478:9
[INFO] [stderr]     |
[INFO] [stderr] 478 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:479:9
[INFO] [stderr]     |
[INFO] [stderr] 479 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:480:9
[INFO] [stderr]     |
[INFO] [stderr] 480 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:483:17
[INFO] [stderr]     |
[INFO] [stderr] 483 |             let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:488:25
[INFO] [stderr]     |
[INFO] [stderr] 488 |                     let mut channel = server.get_mut_channel(channel_id).unwrap();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:520:9
[INFO] [stderr]     |
[INFO] [stderr] 520 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:521:9
[INFO] [stderr]     |
[INFO] [stderr] 521 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:522:9
[INFO] [stderr]     |
[INFO] [stderr] 522 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:548:9
[INFO] [stderr]     |
[INFO] [stderr] 548 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:549:9
[INFO] [stderr]     |
[INFO] [stderr] 549 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:574:9
[INFO] [stderr]     |
[INFO] [stderr] 574 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:575:9
[INFO] [stderr]     |
[INFO] [stderr] 575 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:576:9
[INFO] [stderr]     |
[INFO] [stderr] 576 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:580:17
[INFO] [stderr]     |
[INFO] [stderr] 580 |             let mut server = api.get_mut_server(server_id).unwrap();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:585:25
[INFO] [stderr]     |
[INFO] [stderr] 585 |                     let mut channel = server.get_mut_channel(channel_id).unwrap();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:611:9
[INFO] [stderr]     |
[INFO] [stderr] 611 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:612:9
[INFO] [stderr]     |
[INFO] [stderr] 612 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:613:9
[INFO] [stderr]     |
[INFO] [stderr] 613 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:633:9
[INFO] [stderr]     |
[INFO] [stderr] 633 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:634:9
[INFO] [stderr]     |
[INFO] [stderr] 634 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:635:9
[INFO] [stderr]     |
[INFO] [stderr] 635 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:664:9
[INFO] [stderr]     |
[INFO] [stderr] 664 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:665:9
[INFO] [stderr]     |
[INFO] [stderr] 665 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:666:9
[INFO] [stderr]     |
[INFO] [stderr] 666 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:701:9
[INFO] [stderr]     |
[INFO] [stderr] 701 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:702:9
[INFO] [stderr]     |
[INFO] [stderr] 702 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:703:9
[INFO] [stderr]     |
[INFO] [stderr] 703 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:732:9
[INFO] [stderr]     |
[INFO] [stderr] 732 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:733:9
[INFO] [stderr]     |
[INFO] [stderr] 733 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:734:9
[INFO] [stderr]     |
[INFO] [stderr] 734 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:768:9
[INFO] [stderr]     |
[INFO] [stderr] 768 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:769:9
[INFO] [stderr]     |
[INFO] [stderr] 769 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:770:9
[INFO] [stderr]     |
[INFO] [stderr] 770 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:797:9
[INFO] [stderr]     |
[INFO] [stderr] 797 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:798:9
[INFO] [stderr]     |
[INFO] [stderr] 798 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:799:9
[INFO] [stderr]     |
[INFO] [stderr] 799 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:817:9
[INFO] [stderr]     |
[INFO] [stderr] 817 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:818:9
[INFO] [stderr]     |
[INFO] [stderr] 818 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:819:9
[INFO] [stderr]     |
[INFO] [stderr] 819 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:839:9
[INFO] [stderr]     |
[INFO] [stderr] 839 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:840:9
[INFO] [stderr]     |
[INFO] [stderr] 840 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:841:9
[INFO] [stderr]     |
[INFO] [stderr] 841 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:860:9
[INFO] [stderr]     |
[INFO] [stderr] 860 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:861:9
[INFO] [stderr]     |
[INFO] [stderr] 861 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:862:9
[INFO] [stderr]     |
[INFO] [stderr] 862 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:888:9
[INFO] [stderr]     |
[INFO] [stderr] 888 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:889:9
[INFO] [stderr]     |
[INFO] [stderr] 889 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:890:9
[INFO] [stderr]     |
[INFO] [stderr] 890 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:916:9
[INFO] [stderr]     |
[INFO] [stderr] 916 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:917:9
[INFO] [stderr]     |
[INFO] [stderr] 917 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:918:9
[INFO] [stderr]     |
[INFO] [stderr] 918 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:937:9
[INFO] [stderr]     |
[INFO] [stderr] 937 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:938:9
[INFO] [stderr]     |
[INFO] [stderr] 938 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:939:9
[INFO] [stderr]     |
[INFO] [stderr] 939 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:955:9
[INFO] [stderr]     |
[INFO] [stderr] 955 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:958:9
[INFO] [stderr]     |
[INFO] [stderr] 958 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:959:9
[INFO] [stderr]     |
[INFO] [stderr] 959 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:960:9
[INFO] [stderr]     |
[INFO] [stderr] 960 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:972:9
[INFO] [stderr]     |
[INFO] [stderr] 972 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:978:9
[INFO] [stderr]     |
[INFO] [stderr] 978 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:979:9
[INFO] [stderr]     |
[INFO] [stderr] 979 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:980:9
[INFO] [stderr]     |
[INFO] [stderr] 980 |     let mut plugin = &mut data.1;
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:992:9
[INFO] [stderr]     |
[INFO] [stderr] 992 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:998:9
[INFO] [stderr]     |
[INFO] [stderr] 998 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ts3interface.rs:999:9
[INFO] [stderr]     |
[INFO] [stderr] 999 |     let mut api = &mut data.0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/ts3interface.rs:1000:9
[INFO] [stderr]      |
[INFO] [stderr] 1000 |     let mut plugin = &mut data.1;
[INFO] [stderr]      |         ----^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/ts3interface.rs:1011:9
[INFO] [stderr]      |
[INFO] [stderr] 1011 |     let mut samples = slice::from_raw_parts_mut(samples, (sample_count * channels) as usize);
[INFO] [stderr]      |         ----^^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/ts3interface.rs:1015:9
[INFO] [stderr]      |
[INFO] [stderr] 1015 |     let mut data = data.0.as_mut().unwrap();
[INFO] [stderr]      |         ----^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/ts3interface.rs:1016:9
[INFO] [stderr]      |
[INFO] [stderr] 1016 |     let mut api = &mut data.0;
[INFO] [stderr]      |         ----^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/ts3interface.rs:1017:9
[INFO] [stderr]      |
[INFO] [stderr] 1017 |     let mut plugin = &mut data.1;
[INFO] [stderr]      |         ----^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 121 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ts3plugin-fe019eb110b98ed9
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/skeptic-1b4ae9cbf9f48523
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error[E0464]: multiple matching crates for `std`
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `std`: /opt/rustwide/target/debug/libstd.rlib
[INFO] [stderr]           crate `std`: /opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.so
[INFO] [stderr]           /opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stdout] test readme_0 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- readme_0 stdout ----
[INFO] [stdout] thread 'readme_0' panicked at 'command `compile` failed', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:391:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5566554b60a0 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5566554b60a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5566554b60a0 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5566554b60a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x5566554da1cc - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x556655437ad5 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x5566554b08e1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x5566554b8940 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x5566554b8940 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x5566554b8940 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x5566554b8636 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x5566554b8fa3 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x5566554b8b79 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x5566554b652c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x5566554b8b39 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x5566554b8aeb - std::panicking::begin_panic_fmt::hc1b1320af38b7e12
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:429
[INFO] [stdout]   16:     0x556655477b9c - skeptic::rt::interpret_output::h4e178c73f52e9335
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:391
[INFO] [stdout]   17:     0x556655477597 - skeptic::rt::compile_test_case::h9f21795185d67189
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:372
[INFO] [stdout]   18:     0x556655476881 - skeptic::rt::run_test::hed1b3db0558f4664
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:326
[INFO] [stdout]   19:     0x556655436699 - skeptic::readme_0::h3469a40b93c04a30
[INFO] [stdout]                                at /opt/rustwide/target/debug/build/ts3plugin-dfea4ac3d6bd2378/out/skeptic-tests.rs:32
[INFO] [stdout]   20:     0x55665543657a - skeptic::readme_0::{{closure}}::h3f01c8f6308b5e7f
[INFO] [stdout]                                at /opt/rustwide/target/debug/build/ts3plugin-dfea4ac3d6bd2378/out/skeptic-tests.rs:2
[INFO] [stdout]   21:     0x55665543624e - core::ops::function::FnOnce::call_once::h3ad17f514dc83fb3
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   22:     0x5566554603b3 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   23:     0x5566554603b3 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   24:     0x55665545e883 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   25:     0x55665545e883 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   26:     0x55665545e883 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   27:     0x55665545e883 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   28:     0x55665545e883 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   29:     0x55665545e883 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   30:     0x55665545e883 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   31:     0x556655436f06 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   32:     0x55665543c135 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   33:     0x55665543c135 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   34:     0x55665543c135 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   35:     0x55665543c135 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   36:     0x55665543c135 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   37:     0x55665543c135 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   38:     0x55665543c135 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   39:     0x5566554c046a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   40:     0x5566554c046a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   41:     0x5566554c046a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   42:     0x7fd1a49ec609 - start_thread
[INFO] [stdout]   43:     0x7fd1a48f8103 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     readme_0
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test skeptic'
[INFO] running `Command { std: "docker" "inspect" "cbcf76e361c96ffe3ed99e20c6b5406af9baf962f72086c1cdbd25f93e644dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbcf76e361c96ffe3ed99e20c6b5406af9baf962f72086c1cdbd25f93e644dbb", kill_on_drop: false }`
[INFO] [stdout] cbcf76e361c96ffe3ed99e20c6b5406af9baf962f72086c1cdbd25f93e644dbb
