[INFO] cloning repository https://github.com/hdgittest/enginsesound
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hdgittest/enginsesound" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdgittest%2Fenginsesound", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdgittest%2Fenginsesound'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a5b26181fbefa55a16b8b012dccb0ba21cea79c
[INFO] building hdgittest/enginsesound against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhdgittest%2Fenginsesound" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hdgittest/enginsesound
[INFO] finished tweaking git repo https://github.com/hdgittest/enginsesound
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[INFO] validating manifest of git repo https://github.com/hdgittest/enginsesound on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hdgittest/enginsesound 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: constant `MAX_CYLINDERS` is never used
[INFO] [stdout]  --> src/constants.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const MAX_CYLINDERS: usize = 16;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MUFFLER_ELEMENT_COUNT` is never used
[INFO] [stdout]  --> src/constants.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const MUFFLER_ELEMENT_COUNT: usize = 4;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_lock` is never read
[INFO] [stdout]   --> src/recorder.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Recorder {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     block_lock: Arc<Mutex<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `start`, `get_len`, `stop`, and `stop_wait` are never used
[INFO] [stdout]    --> src/recorder.rs:23:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl Recorder {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  23 |     pub fn new(file: PathBuf, sample_rate: u32) -> Recorder {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  36 |     fn start(&self, recv: crossbeam_channel::Receiver<Vec<f32>>, file: PathBuf, sample_rate: u32) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn get_len(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn stop(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn stop_wait(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_engine` is never used
[INFO] [stdout]   --> src/utils.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) fn load_engine(path: &str, sample_rate: u32, json: bool) -> Result<Engine, String> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/gen.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                   std::mem::transmute::<u128, [u8; 16]>(
[INFO] [stdout]    |                   ^------------------------------------
[INFO] [stdout]    |                   |
[INFO] [stdout]    |  _________________help: replace this with: `u128::to_ne_bytes`
[INFO] [stdout]    | |
[INFO] [stdout] 68 | |                     SystemTime::now()
[INFO] [stdout] 69 | |                         .duration_since(SystemTime::UNIX_EPOCH)
[INFO] [stdout] 70 | |                         .unwrap()
[INFO] [stdout] 71 | |                         .as_nanos(),
[INFO] [stdout] 72 | |                 )
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `gui`
[INFO] [stdout]    --> src/main.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |         #[cfg(not(gui))]
[INFO] [stdout]     |                   ^^^ help: found config with similar value: `feature = "gui"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(gui)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(gui)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/gui.rs:1197:21
[INFO] [stdout]      |
[INFO] [stdout] 1197 |             for (i, mut cyl) in generator.engine.cylinders.iter_mut().enumerate() {
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:197:21
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 let mut window = glium::glutin::window::WindowBuilder::new()
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `cylinder_offset_growl`, and `cylinder_pressure_release_factor` are never read
[INFO] [stdout]   --> src/gui.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Ids {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 41 |     pub canvas: widget::Id,
[INFO] [stdout] 42 |     pub title: widget::Id,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub cylinder_offset_growl: widget::Id,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub cylinder_pressure_release_factor: widget::Id,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/gen.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                   std::mem::transmute::<u128, [u8; 16]>(
[INFO] [stdout]    |                   ^------------------------------------
[INFO] [stdout]    |                   |
[INFO] [stdout]    |  _________________help: replace this with: `u128::to_ne_bytes`
[INFO] [stdout]    | |
[INFO] [stdout] 68 | |                     SystemTime::now()
[INFO] [stdout] 69 | |                         .duration_since(SystemTime::UNIX_EPOCH)
[INFO] [stdout] 70 | |                         .unwrap()
[INFO] [stdout] 71 | |                         .as_nanos(),
[INFO] [stdout] 72 | |                 )
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "bb7418a4005283c440735117fc46ab932c6f886ef8b594665446faf6b9887ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7418a4005283c440735117fc46ab932c6f886ef8b594665446faf6b9887ad1", kill_on_drop: false }`
[INFO] [stdout] bb7418a4005283c440735117fc46ab932c6f886ef8b594665446faf6b9887ad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87580695f69bbb78306911c00fe864d6763832cc9348c7b5171fa1848dc1d49d
[INFO] running `Command { std: "docker" "start" "-a" "87580695f69bbb78306911c00fe864d6763832cc9348c7b5171fa1848dc1d49d", kill_on_drop: false }`
[INFO] [stdout] warning: constant `MAX_CYLINDERS` is never used
[INFO] [stdout]  --> src/constants.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const MAX_CYLINDERS: usize = 16;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MUFFLER_ELEMENT_COUNT` is never used
[INFO] [stdout]  --> src/constants.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const MUFFLER_ELEMENT_COUNT: usize = 4;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_lock` is never read
[INFO] [stdout]   --> src/recorder.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Recorder {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     block_lock: Arc<Mutex<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `start`, `get_len`, `stop`, and `stop_wait` are never used
[INFO] [stdout]    --> src/recorder.rs:23:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl Recorder {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  23 |     pub fn new(file: PathBuf, sample_rate: u32) -> Recorder {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  36 |     fn start(&self, recv: crossbeam_channel::Receiver<Vec<f32>>, file: PathBuf, sample_rate: u32) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn get_len(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn stop(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn stop_wait(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_engine` is never used
[INFO] [stdout]   --> src/utils.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) fn load_engine(path: &str, sample_rate: u32, json: bool) -> Result<Engine, String> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/gen.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                   std::mem::transmute::<u128, [u8; 16]>(
[INFO] [stdout]    |                   ^------------------------------------
[INFO] [stdout]    |                   |
[INFO] [stdout]    |  _________________help: replace this with: `u128::to_ne_bytes`
[INFO] [stdout]    | |
[INFO] [stdout] 68 | |                     SystemTime::now()
[INFO] [stdout] 69 | |                         .duration_since(SystemTime::UNIX_EPOCH)
[INFO] [stdout] 70 | |                         .unwrap()
[INFO] [stdout] 71 | |                         .as_nanos(),
[INFO] [stdout] 72 | |                 )
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling enginesound v1.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `gui`
[INFO] [stdout]    --> src/main.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |         #[cfg(not(gui))]
[INFO] [stdout]     |                   ^^^ help: found config with similar value: `feature = "gui"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(gui)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(gui)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/gui.rs:1197:21
[INFO] [stdout]      |
[INFO] [stdout] 1197 |             for (i, mut cyl) in generator.engine.cylinders.iter_mut().enumerate() {
[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: constant `MAX_CYLINDERS` is never used
[INFO] [stdout]  --> src/constants.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const MAX_CYLINDERS: usize = 16;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MUFFLER_ELEMENT_COUNT` is never used
[INFO] [stdout]  --> src/constants.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const MUFFLER_ELEMENT_COUNT: usize = 4;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_lock` is never read
[INFO] [stdout]   --> src/recorder.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Recorder {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     block_lock: Arc<Mutex<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `start`, `get_len`, `stop`, and `stop_wait` are never used
[INFO] [stdout]    --> src/recorder.rs:23:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl Recorder {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  23 |     pub fn new(file: PathBuf, sample_rate: u32) -> Recorder {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  36 |     fn start(&self, recv: crossbeam_channel::Receiver<Vec<f32>>, file: PathBuf, sample_rate: u32) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn get_len(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn stop(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     pub fn stop_wait(&self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_engine` is never used
[INFO] [stdout]   --> src/utils.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) fn load_engine(path: &str, sample_rate: u32, json: bool) -> Result<Engine, String> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/gen.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                   std::mem::transmute::<u128, [u8; 16]>(
[INFO] [stdout]    |                   ^------------------------------------
[INFO] [stdout]    |                   |
[INFO] [stdout]    |  _________________help: replace this with: `u128::to_ne_bytes`
[INFO] [stdout]    | |
[INFO] [stdout] 68 | |                     SystemTime::now()
[INFO] [stdout] 69 | |                         .duration_since(SystemTime::UNIX_EPOCH)
[INFO] [stdout] 70 | |                         .unwrap()
[INFO] [stdout] 71 | |                         .as_nanos(),
[INFO] [stdout] 72 | |                 )
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:197:21
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 let mut window = glium::glutin::window::WindowBuilder::new()
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `cylinder_offset_growl`, and `cylinder_pressure_release_factor` are never read
[INFO] [stdout]   --> src/gui.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Ids {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 41 |     pub canvas: widget::Id,
[INFO] [stdout] 42 |     pub title: widget::Id,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub cylinder_offset_growl: widget::Id,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub cylinder_pressure_release_factor: widget::Id,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/gen.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                   std::mem::transmute::<u128, [u8; 16]>(
[INFO] [stdout]    |                   ^------------------------------------
[INFO] [stdout]    |                   |
[INFO] [stdout]    |  _________________help: replace this with: `u128::to_ne_bytes`
[INFO] [stdout]    | |
[INFO] [stdout] 68 | |                     SystemTime::now()
[INFO] [stdout] 69 | |                         .duration_since(SystemTime::UNIX_EPOCH)
[INFO] [stdout] 70 | |                         .unwrap()
[INFO] [stdout] 71 | |                         .as_nanos(),
[INFO] [stdout] 72 | |                 )
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "87580695f69bbb78306911c00fe864d6763832cc9348c7b5171fa1848dc1d49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87580695f69bbb78306911c00fe864d6763832cc9348c7b5171fa1848dc1d49d", kill_on_drop: false }`
[INFO] [stdout] 87580695f69bbb78306911c00fe864d6763832cc9348c7b5171fa1848dc1d49d
