[INFO] cloning repository https://github.com/VolkerLieber/spacenav-web
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VolkerLieber/spacenav-web" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVolkerLieber%2Fspacenav-web", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVolkerLieber%2Fspacenav-web'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fe00449d9a1fc9fcd4ab27522e7095c670fa20f
[INFO] checking VolkerLieber/spacenav-web against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVolkerLieber%2Fspacenav-web" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VolkerLieber/spacenav-web
[INFO] finished tweaking git repo https://github.com/VolkerLieber/spacenav-web
[INFO] tweaked toml for git repo https://github.com/VolkerLieber/spacenav-web written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VolkerLieber/spacenav-web on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VolkerLieber/spacenav-web already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded futures-sink v0.3.26
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91259391cd432080d1216ad3c384fd0572cbe6e4d8d62f23323f218f71c38056
[INFO] running `Command { std: "docker" "start" "-a" "91259391cd432080d1216ad3c384fd0572cbe6e4d8d62f23323f218f71c38056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91259391cd432080d1216ad3c384fd0572cbe6e4d8d62f23323f218f71c38056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91259391cd432080d1216ad3c384fd0572cbe6e4d8d62f23323f218f71c38056", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cddc421a8802e5bb0dfeed28b3fe659559fbcd4d81eabdc29e1065a71383aba3
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[INFO] [stderr]     Checking spacenav-web v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ops::IndexMut` and `string`
[INFO] [stdout]  --> src/main.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, ops::IndexMut, string};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Number`
[INFO] [stdout]   --> src/main.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 | use serde_json::{self, Number, Value};
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `spnav_event_motion` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct spnav_event_motion {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SpnavEventMotion`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ops::IndexMut` and `string`
[INFO] [stdout]  --> src/main.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, ops::IndexMut, string};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Number`
[INFO] [stdout]   --> src/main.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 | use serde_json::{self, Number, Value};
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `spnav_event_motion` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct spnav_event_motion {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SpnavEventMotion`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |       return;
[INFO] [stdout]    |       ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 63 | /     let websocket = warp::path::end()
[INFO] [stdout] 64 | |         .and(warp::ws())
[INFO] [stdout] 65 | |         .map(|ws: warp::ws::Ws| {
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |         })
[INFO] [stdout] 80 | |         .with(warp::reply::with::header("Sec-WebSocket-Protocol", "wamp"));
[INFO] [stdout]    | |___________________________________________________________________________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FutureExt`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     FutureExt, SinkExt, StreamExt,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut pos: Position = Position {
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/main.rs:356:51
[INFO] [stdout]     |
[INFO] [stdout] 356 |                     if let Some((_, Value::Number(time))) = frame.get_key_value("time") {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:166:71
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let json: Value = serde_json::from_slice(msg.as_bytes()).map_err(|err| ())?;
[INFO] [stdout]     |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SelectionEmpty` and `ViewPerspective` are never constructed
[INFO] [stdout]    --> src/main.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | enum ClientReturnHandlers {
[INFO] [stdout]     |      -------------------- variants in this enum
[INFO] [stdout] 103 |     SelectionEmpty,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 104 |     ViewPerspective,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `event_type` and `period` are never read
[INFO] [stdout]    --> src/main.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct spnav_event_motion {
[INFO] [stdout]     |        ------------------ fields in this struct
[INFO] [stdout] 110 |     event_type: i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     period: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_welcome` is never used
[INFO] [stdout]    --> src/main.rs:524:4
[INFO] [stdout]     |
[INFO] [stdout] 524 | fn build_welcome(id: &str) -> Message {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `obj` is never used
[INFO] [stdout]  --> src/matrix.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait MatrixOperationable {
[INFO] [stdout]   |           ------------------- method in this trait
[INFO] [stdout] 6 |     fn obj(&mut self, pos: &Position);
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_obj` is never used
[INFO] [stdout]   --> src/spnav_posrot.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Position {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn move_obj(&mut self, motion: &spnav_event_motion) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `msgType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:179:23
[INFO] [stdout]     |
[INFO] [stdout] 179 |         Value::Number(msgType) => match msgType.as_u64() {
[INFO] [stdout]     |                       ^^^^^^^ help: convert the identifier to snake case: `msg_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `msgType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 |             Some(msgType) if msgType <= 8 => MessageType::from_u64(msgType),
[INFO] [stdout]     |                  ^^^^^^^ help: convert the identifier to snake case: `msg_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `msgType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let msgType: MessageType = match &json_array[0] {
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `msg_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `msgType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         Ok((msgType, json)) => (msgType, json),
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `msg_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `msgType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let (msgType, msg) = match parse_msg(msg) {
[INFO] [stdout]     |          ^^^^^^^ help: convert the identifier to snake case: `msg_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:228:21
[INFO] [stdout]     |
[INFO] [stdout] 228 | /                     session
[INFO] [stdout] 229 | |                         .transmitter
[INFO] [stdout] 230 | |                         .send(build_read_call(session.instance, &id, "view.target"))
[INFO] [stdout] 231 | |                         .await;
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     let _ = session
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:238:21
[INFO] [stdout]     |
[INFO] [stdout] 238 | /                     session
[INFO] [stdout] 239 | |                         .transmitter
[INFO] [stdout] 240 | |                         .send(build_update_call(
[INFO] [stdout] 241 | |                             session.instance,
[INFO] [stdout] ...   |
[INFO] [stdout] 245 | |                         ))
[INFO] [stdout] 246 | |                         .await;
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let _ = session
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 | /             session
[INFO] [stdout] 299 | |                 .transmitter
[INFO] [stdout] 300 | |                 .send(build_read_call(session.instance, &id, "view.affine"))
[INFO] [stdout] 301 | |                 .await;
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 298 |             let _ = session
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:359:25
[INFO] [stdout]     |
[INFO] [stdout] 359 | /                         session
[INFO] [stdout] 360 | |                             .transmitter
[INFO] [stdout] 361 | |                             .send(build_update_call(
[INFO] [stdout] 362 | |                                 session.instance,
[INFO] [stdout] ...   |
[INFO] [stdout] 366 | |                             ))
[INFO] [stdout] 367 | |                             .await;
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 359 |                         let _ = session
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:392:25
[INFO] [stdout]     |
[INFO] [stdout] 392 | /                         session
[INFO] [stdout] 393 | |                             .transmitter
[INFO] [stdout] 394 | |                             .send(build_update_call(
[INFO] [stdout] 395 | |                                 session.instance,
[INFO] [stdout] ...   |
[INFO] [stdout] 399 | |                             ))
[INFO] [stdout] 400 | |                             .await;
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 392 |                         let _ = session
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:402:25
[INFO] [stdout]     |
[INFO] [stdout] 402 | /                         session
[INFO] [stdout] 403 | |                             .transmitter
[INFO] [stdout] 404 | |                             .send(build_update_call(
[INFO] [stdout] 405 | |                                 session.instance,
[INFO] [stdout] ...   |
[INFO] [stdout] 409 | |                             ))
[INFO] [stdout] 410 | |                             .await;
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 402 |                         let _ = session
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:412:25
[INFO] [stdout]     |
[INFO] [stdout] 412 | /                         session
[INFO] [stdout] 413 | |                             .transmitter
[INFO] [stdout] 414 | |                             .send(build_update_call(
[INFO] [stdout] 415 | |                                 session.instance,
[INFO] [stdout] ...   |
[INFO] [stdout] 419 | |                             ))
[INFO] [stdout] 420 | |                             .await;
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 412 |                         let _ = session
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |       return;
[INFO] [stdout]    |       ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 63 | /     let websocket = warp::path::end()
[INFO] [stdout] 64 | |         .and(warp::ws())
[INFO] [stdout] 65 | |         .map(|ws: warp::ws::Ws| {
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |         })
[INFO] [stdout] 80 | |         .with(warp::reply::with::header("Sec-WebSocket-Protocol", "wamp"));
[INFO] [stdout]    | |___________________________________________________________________________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FutureExt`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     FutureExt, SinkExt, StreamExt,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut pos: Position = Position {
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]    --> src/main.rs:356:51
[INFO] [stdout]     |
[INFO] [stdout] 356 |                     if let Some((_, Value::Number(time))) = frame.get_key_value("time") {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/main.rs:166:71
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let json: Value = serde_json::from_slice(msg.as_bytes()).map_err(|err| ())?;
[INFO] [stdout]     |                                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SelectionEmpty` and `ViewPerspective` are never constructed
[INFO] [stdout]    --> src/main.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | enum ClientReturnHandlers {
[INFO] [stdout]     |      -------------------- variants in this enum
[INFO] [stdout] 103 |     SelectionEmpty,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 104 |     ViewPerspective,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `event_type` and `period` are never read
[INFO] [stdout]    --> src/main.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct spnav_event_motion {
[INFO] [stdout]     |        ------------------ fields in this struct
[INFO] [stdout] 110 |     event_type: i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     period: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_welcome` is never used
[INFO] [stdout]    --> src/main.rs:524:4
[INFO] [stdout]     |
[INFO] [stdout] 524 | fn build_welcome(id: &str) -> Message {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `obj` is never used
[INFO] [stdout]  --> src/matrix.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait MatrixOperationable {
[INFO] [stdout]   |           ------------------- method in this trait
[INFO] [stdout] 6 |     fn obj(&mut self, pos: &Position);
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_obj` is never used
[INFO] [stdout]   --> src/spnav_posrot.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Position {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn move_obj(&mut self, motion: &spnav_event_motion) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `msgType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:179:23
[INFO] [stdout]     |
[INFO] [stdout] 179 |         Value::Number(msgType) => match msgType.as_u64() {
[INFO] [stdout]     |                       ^^^^^^^ help: convert the identifier to snake case: `msg_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `msgType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 |             Some(msgType) if msgType <= 8 => MessageType::from_u64(msgType),
[INFO] [stdout]     |                  ^^^^^^^ help: convert the identifier to snake case: `msg_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `msgType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let msgType: MessageType = match &json_array[0] {
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `msg_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `msgType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         Ok((msgType, json)) => (msgType, json),
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `msg_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `msgType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 |     let (msgType, msg) = match parse_msg(msg) {
[INFO] [stdout]     |          ^^^^^^^ help: convert the identifier to snake case: `msg_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:228:21
[INFO] [stdout]     |
[INFO] [stdout] 228 | /                     session
[INFO] [stdout] 229 | |                         .transmitter
[INFO] [stdout] 230 | |                         .send(build_read_call(session.instance, &id, "view.target"))
[INFO] [stdout] 231 | |                         .await;
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |                     let _ = session
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:238:21
[INFO] [stdout]     |
[INFO] [stdout] 238 | /                     session
[INFO] [stdout] 239 | |                         .transmitter
[INFO] [stdout] 240 | |                         .send(build_update_call(
[INFO] [stdout] 241 | |                             session.instance,
[INFO] [stdout] ...   |
[INFO] [stdout] 245 | |                         ))
[INFO] [stdout] 246 | |                         .await;
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let _ = session
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 | /             session
[INFO] [stdout] 299 | |                 .transmitter
[INFO] [stdout] 300 | |                 .send(build_read_call(session.instance, &id, "view.affine"))
[INFO] [stdout] 301 | |                 .await;
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 298 |             let _ = session
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:359:25
[INFO] [stdout]     |
[INFO] [stdout] 359 | /                         session
[INFO] [stdout] 360 | |                             .transmitter
[INFO] [stdout] 361 | |                             .send(build_update_call(
[INFO] [stdout] 362 | |                                 session.instance,
[INFO] [stdout] ...   |
[INFO] [stdout] 366 | |                             ))
[INFO] [stdout] 367 | |                             .await;
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 359 |                         let _ = session
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:392:25
[INFO] [stdout]     |
[INFO] [stdout] 392 | /                         session
[INFO] [stdout] 393 | |                             .transmitter
[INFO] [stdout] 394 | |                             .send(build_update_call(
[INFO] [stdout] 395 | |                                 session.instance,
[INFO] [stdout] ...   |
[INFO] [stdout] 399 | |                             ))
[INFO] [stdout] 400 | |                             .await;
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 392 |                         let _ = session
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:402:25
[INFO] [stdout]     |
[INFO] [stdout] 402 | /                         session
[INFO] [stdout] 403 | |                             .transmitter
[INFO] [stdout] 404 | |                             .send(build_update_call(
[INFO] [stdout] 405 | |                                 session.instance,
[INFO] [stdout] ...   |
[INFO] [stdout] 409 | |                             ))
[INFO] [stdout] 410 | |                             .await;
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 402 |                         let _ = session
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:412:25
[INFO] [stdout]     |
[INFO] [stdout] 412 | /                         session
[INFO] [stdout] 413 | |                             .transmitter
[INFO] [stdout] 414 | |                             .send(build_update_call(
[INFO] [stdout] 415 | |                                 session.instance,
[INFO] [stdout] ...   |
[INFO] [stdout] 419 | |                             ))
[INFO] [stdout] 420 | |                             .await;
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 412 |                         let _ = session
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.75s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cddc421a8802e5bb0dfeed28b3fe659559fbcd4d81eabdc29e1065a71383aba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cddc421a8802e5bb0dfeed28b3fe659559fbcd4d81eabdc29e1065a71383aba3", kill_on_drop: false }`
[INFO] [stdout] cddc421a8802e5bb0dfeed28b3fe659559fbcd4d81eabdc29e1065a71383aba3
