[INFO] cloning repository https://github.com/FreeFull/musicprogram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeFull/musicprogram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fmusicprogram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fmusicprogram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 583443840e99bc7bf76579322f97783c3673db7c
[INFO] checking FreeFull/musicprogram against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeFull%2Fmusicprogram" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FreeFull/musicprogram
[INFO] finished tweaking git repo https://github.com/FreeFull/musicprogram
[INFO] tweaked toml for git repo https://github.com/FreeFull/musicprogram written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FreeFull/musicprogram on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FreeFull/musicprogram 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 718ab68a444cac90f849075839a40cd7fad522d817b0848a398121dca071adba
[INFO] running `Command { std: "docker" "start" "-a" "718ab68a444cac90f849075839a40cd7fad522d817b0848a398121dca071adba", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb7c8a2000b9a3fe4893b774d643bedf38ed50e3d440337f93b345ab8b5f36ca
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[INFO] [stdout] warning: unused import: `MainModel`
[INFO] [stdout]  --> src/ui/views/node.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ui::{AppEvent, MainModel},
[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: `node_list::*`
[INFO] [stdout]  --> src/ui/views/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use node_list::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MainModel`
[INFO] [stdout]  --> src/ui/views/node.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     ui::{AppEvent, MainModel},
[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: `node_list::*`
[INFO] [stdout]  --> src/ui/views/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use node_list::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/audio/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         client: &jack::Client,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> src/ui/views/node.rs:26:89
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 Knob::new(cx, 0.0, StaticLens::new(&0.5), true).on_changing(move |knob, cx| {
[INFO] [stdout]    |                                                                                         ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collector`
[INFO] [stdout]   --> src/ui/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let collector = basedrop::Collector::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active_client` is never read
[INFO] [stdout]   --> src/audio/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Controller {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 11 |     pub active_client: jack::AsyncClient<NotificationHandler, ProcessHandler>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SetChannel`, `ReplaceNodes`, `RemoveChannel`, and `ResetData` are never constructed
[INFO] [stdout]   --> src/audio/engine/mod.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub enum Command {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 92 |     AddNode(usize, Node),
[INFO] [stdout] 93 |     SetChannel(usize, Owned<stack::Stack>),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 94 |     ReplaceNodes(usize, stack::NodeList),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 95 |     RemoveChannel(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 96 |     ResetData,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `process` is never used
[INFO] [stdout]   --> src/audio/engine/nodes.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn process(&mut self, samples: usize, data: &mut StackData, sample_rate: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ports` is never constructed
[INFO] [stdout]  --> src/audio/engine/nodes/port.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Ports(ArrayVec<Port, 32>);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `control`, `read`, and `write` are never used
[INFO] [stdout]   --> src/audio/engine/nodes/port.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Port {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn control(name: &'static str, value: f32) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn read(&mut self, data: &StackData) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn write(&self, data: &mut StackData) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `audio` is never read
[INFO] [stdout]   --> src/audio/engine/stack.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StackData {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 16 |     pub audio: Vec<Audio>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StackData` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `process` are never used
[INFO] [stdout]   --> src/audio/engine/stack.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Stack {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 21 |     pub fn new(nodes: NodeList) -> Stack {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn process(&mut self, output_buffer: &mut [f32], sample_rate: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ui/model.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 | /                     self.audio_event_tx
[INFO] [stdout] 40 | |                         .borrow_mut()
[INFO] [stdout] 41 | |                         .push(Command::AddNode(0, audio::Node::new(kind)));
[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] 39 |                     let _ = self.audio_event_tx
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ui/views/node.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(cx: &mut Context, data: audio::Node, index: usize) -> Handle<Self> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^ the lifetime is elided here          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(cx: &mut Context, data: audio::Node, index: usize) -> Handle<'_, Self> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/audio/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         client: &jack::Client,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]   --> src/ui/views/node.rs:26:89
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 Knob::new(cx, 0.0, StaticLens::new(&0.5), true).on_changing(move |knob, cx| {
[INFO] [stdout]    |                                                                                         ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collector`
[INFO] [stdout]   --> src/ui/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let collector = basedrop::Collector::new();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active_client` is never read
[INFO] [stdout]   --> src/audio/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Controller {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 11 |     pub active_client: jack::AsyncClient<NotificationHandler, ProcessHandler>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SetChannel`, `ReplaceNodes`, `RemoveChannel`, and `ResetData` are never constructed
[INFO] [stdout]   --> src/audio/engine/mod.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub enum Command {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 92 |     AddNode(usize, Node),
[INFO] [stdout] 93 |     SetChannel(usize, Owned<stack::Stack>),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 94 |     ReplaceNodes(usize, stack::NodeList),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 95 |     RemoveChannel(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 96 |     ResetData,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `process` is never used
[INFO] [stdout]   --> src/audio/engine/nodes.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn process(&mut self, samples: usize, data: &mut StackData, sample_rate: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ports` is never constructed
[INFO] [stdout]  --> src/audio/engine/nodes/port.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Ports(ArrayVec<Port, 32>);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `control`, `read`, and `write` are never used
[INFO] [stdout]   --> src/audio/engine/nodes/port.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Port {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn control(name: &'static str, value: f32) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn read(&mut self, data: &StackData) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn write(&self, data: &mut StackData) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `audio` is never read
[INFO] [stdout]   --> src/audio/engine/stack.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct StackData {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 16 |     pub audio: Vec<Audio>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StackData` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `process` are never used
[INFO] [stdout]   --> src/audio/engine/stack.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Stack {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 21 |     pub fn new(nodes: NodeList) -> Stack {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn process(&mut self, output_buffer: &mut [f32], sample_rate: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ui/model.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 | /                     self.audio_event_tx
[INFO] [stdout] 40 | |                         .borrow_mut()
[INFO] [stdout] 41 | |                         .push(Command::AddNode(0, audio::Node::new(kind)));
[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] 39 |                     let _ = self.audio_event_tx
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ui/views/node.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(cx: &mut Context, data: audio::Node, index: usize) -> Handle<Self> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^ the lifetime is elided here          ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(cx: &mut Context, data: audio::Node, index: usize) -> Handle<'_, Self> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[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" "eb7c8a2000b9a3fe4893b774d643bedf38ed50e3d440337f93b345ab8b5f36ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7c8a2000b9a3fe4893b774d643bedf38ed50e3d440337f93b345ab8b5f36ca", kill_on_drop: false }`
[INFO] [stdout] eb7c8a2000b9a3fe4893b774d643bedf38ed50e3d440337f93b345ab8b5f36ca
