[INFO] updating cached repository freesig/mood_motion_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/freesig/mood_motion_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/freesig/mood_motion_server" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/freesig/mood_motion_server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/freesig/mood_motion_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/freesig/mood_motion_server" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/freesig/mood_motion_server"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/freesig/mood_motion_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a0770e235a7ceebc6e0fbc0543bad0f26d17518
[INFO] sha for GitHub repo freesig/mood_motion_server: 3a0770e235a7ceebc6e0fbc0543bad0f26d17518
[INFO] validating manifest of freesig/mood_motion_server on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of freesig/mood_motion_server on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing freesig/mood_motion_server
[INFO] finished frobbing freesig/mood_motion_server
[INFO] frobbed toml for freesig/mood_motion_server written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/freesig/mood_motion_server/Cargo.toml
[INFO] started frobbing freesig/mood_motion_server
[INFO] finished frobbing freesig/mood_motion_server
[INFO] frobbed toml for freesig/mood_motion_server written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/freesig/mood_motion_server/Cargo.toml
[INFO] crate freesig/mood_motion_server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking freesig/mood_motion_server against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/freesig/mood_motion_server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a6ed63cec43854d700dc3f9d5279dbc298ad7d1866750047ba5e1642c3f6c899
[INFO] running `"docker" "start" "-a" "a6ed63cec43854d700dc3f9d5279dbc298ad7d1866750047ba5e1642c3f6c899"`
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.5
[INFO] [stderr]     Checking arrayvec v0.4.2
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking rusttype v0.2.3
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr] warning[E0311]: the parameter type `K` may not live long enough
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |             match node.force() {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding an explicit lifetime bound for `K`
[INFO] [stderr] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stderr] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stderr] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stderr] 80 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 136| |             }
[INFO] [stderr] 137| |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr] warning[E0311]: the parameter type `V` may not live long enough
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |             match node.force() {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding an explicit lifetime bound for `V`
[INFO] [stderr] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stderr] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stderr] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stderr] 80 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 136| |             }
[INFO] [stderr] 137| |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr]     Checking glium_text_rusttype v0.2.0
[INFO] [stderr]     Checking mood_motion_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Surface`
[INFO] [stderr]  --> src/render.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use glium::{glutin, Surface, Display};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DivAssign`
[INFO] [stderr]  --> src/movement.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::{Sub, AddAssign, DivAssign};
[INFO] [stderr]   |                                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::IntoIter`
[INFO] [stderr]  --> src/clouds.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::vec::IntoIter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/font.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cgmath`
[INFO] [stderr]  --> src/font.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cgmath;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TextDisplay`
[INFO] [stderr]  --> src/font.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use glium_text::{TextDisplay, TextSystem};
[INFO] [stderr]   |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `font::Text`
[INFO] [stderr]   --> src/main.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | use font::Text;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Surface`
[INFO] [stderr]  --> src/render.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use glium::{glutin, Surface, Display};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DivAssign`
[INFO] [stderr]  --> src/movement.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ops::{Sub, AddAssign, DivAssign};
[INFO] [stderr]   |                                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::IntoIter`
[INFO] [stderr]  --> src/clouds.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::vec::IntoIter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/font.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cgmath`
[INFO] [stderr]  --> src/font.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cgmath;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TextDisplay`
[INFO] [stderr]  --> src/font.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use glium_text::{TextDisplay, TextSystem};
[INFO] [stderr]   |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `font::Text`
[INFO] [stderr]   --> src/main.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | use font::Text;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arduino.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/arduino.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     for i in 0..START_SIZE {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `TryRecvError`
[INFO] [stderr]    --> src/main.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |             TryRecvError => (),
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_TryRecvError`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `count` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let mut count = 0;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/arduino.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         Err(e) => {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out_buf`
[INFO] [stderr]   --> src/arduino.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut out_buf: Vec<u8> = vec![0u8; 100]; 
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_out_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `amt`
[INFO] [stderr]   --> src/movement.rs:81:10
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let (amt, src) = socket.recv_from(&mut buf).unwrap();
[INFO] [stderr]    |          ^^^ help: consider prefixing with an underscore: `_amt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/movement.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let (amt, src) = socket.recv_from(&mut buf).unwrap();
[INFO] [stderr]    |               ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |             let mut jerk = j.lock().unwrap();
[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/main.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut jerk = j.lock().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/main.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |             let mut colour = clouds::cloud_to_colour(&mut c, *jerk);
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     for i in 0..START_SIZE {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `TryRecvError`
[INFO] [stderr]    --> src/main.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |             TryRecvError => (),
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_TryRecvError`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `count` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let mut count = 0;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/arduino.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         Err(e) => {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out_buf`
[INFO] [stderr]   --> src/arduino.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut out_buf: Vec<u8> = vec![0u8; 100]; 
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_out_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `amt`
[INFO] [stderr]   --> src/movement.rs:81:10
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let (amt, src) = socket.recv_from(&mut buf).unwrap();
[INFO] [stderr]    |          ^^^ help: consider prefixing with an underscore: `_amt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/movement.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let (amt, src) = socket.recv_from(&mut buf).unwrap();
[INFO] [stderr]    |               ^^^ help: consider prefixing with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let mut patterns = create_colour_clouds();
[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/main.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     let mut port = arduino::open();
[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/arduino.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut out_buf: Vec<u8> = vec![0u8; 100]; 
[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/main.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |             let mut jerk = j.lock().unwrap();
[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/main.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut jerk = j.lock().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/main.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |             let mut colour = clouds::cloud_to_colour(&mut c, *jerk);
[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/main.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let mut patterns = create_colour_clouds();
[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/main.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     let mut port = arduino::open();
[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/arduino.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut out_buf: Vec<u8> = vec![0u8; 100]; 
[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/render.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut events_loop = glutin::EventsLoop::new();
[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/render.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut events_loop = glutin::EventsLoop::new();
[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/clouds.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |         Ok(mut f) => {
[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/clouds.rs:66:33
[INFO] [stderr]    |
[INFO] [stderr] 66 |                             let mut c = ColourCloud{pattern: it.cycle(), 
[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/clouds.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 |                     let mut c = Cloud{pattern: it.cycle(), min, max};
[INFO] [stderr]     |                         ----^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `jerk_to_light`
[INFO] [stderr]    --> src/movement.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub fn jerk_to_light(colour: f32, light: i16) -> String{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cloud`
[INFO] [stderr]   --> src/clouds.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Cloud{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load`
[INFO] [stderr]   --> src/clouds.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub fn load(p: &Path, min: u8, max: u8) -> Option<Cloud> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cloud_to_light`
[INFO] [stderr]    --> src/clouds.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub fn cloud_to_light(c: &mut Cloud) -> Colour<i16>{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/buffer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(size: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `last`
[INFO] [stderr]   --> src/buffer.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn last(&self) -> Option<f32>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_clouds`
[INFO] [stderr]   --> src/main.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn create_clouds() -> Vec<Cloud> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_clouds`
[INFO] [stderr]   --> src/main.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn run_clouds(mut patterns: Vec<Cloud>, tx: Sender<String>, j: Arc< Mutex<f32> >){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             tx.send(msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             tx.send(msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         tx.send(msg);
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         tx.send(msg);
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `TryRecvError` should have a snake case name
[INFO] [stderr]    --> src/main.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |             TryRecvError => (),
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `try_recv_error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/render.rs:107:29
[INFO] [stderr]     |
[INFO] [stderr] 107 |                             min_sender.send(*min_accel);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/render.rs:115:29
[INFO] [stderr]     |
[INFO] [stderr] 115 |                             min_sender.send(*min_accel);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/clouds.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |         Ok(mut f) => {
[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/clouds.rs:66:33
[INFO] [stderr]    |
[INFO] [stderr] 66 |                             let mut c = ColourCloud{pattern: it.cycle(), 
[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/clouds.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 |                     let mut c = Cloud{pattern: it.cycle(), min, max};
[INFO] [stderr]     |                         ----^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `jerk_to_light`
[INFO] [stderr]    --> src/movement.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub fn jerk_to_light(colour: f32, light: i16) -> String{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cloud`
[INFO] [stderr]   --> src/clouds.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Cloud{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load`
[INFO] [stderr]   --> src/clouds.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub fn load(p: &Path, min: u8, max: u8) -> Option<Cloud> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cloud_to_light`
[INFO] [stderr]    --> src/clouds.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub fn cloud_to_light(c: &mut Cloud) -> Colour<i16>{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/buffer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(size: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `last`
[INFO] [stderr]   --> src/buffer.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn last(&self) -> Option<f32>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_clouds`
[INFO] [stderr]   --> src/main.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn create_clouds() -> Vec<Cloud> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_clouds`
[INFO] [stderr]   --> src/main.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn run_clouds(mut patterns: Vec<Cloud>, tx: Sender<String>, j: Arc< Mutex<f32> >){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             tx.send(msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             tx.send(msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         tx.send(msg);
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         tx.send(msg);
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `TryRecvError` should have a snake case name
[INFO] [stderr]    --> src/main.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |             TryRecvError => (),
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `try_recv_error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/render.rs:107:29
[INFO] [stderr]     |
[INFO] [stderr] 107 |                             min_sender.send(*min_accel);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/render.rs:115:29
[INFO] [stderr]     |
[INFO] [stderr] 115 |                             min_sender.send(*min_accel);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.49s
[INFO] running `"docker" "inspect" "a6ed63cec43854d700dc3f9d5279dbc298ad7d1866750047ba5e1642c3f6c899"`
[INFO] running `"docker" "rm" "-f" "a6ed63cec43854d700dc3f9d5279dbc298ad7d1866750047ba5e1642c3f6c899"`
[INFO] [stdout] a6ed63cec43854d700dc3f9d5279dbc298ad7d1866750047ba5e1642c3f6c899