[INFO] fetching crate alumet 0.8.0...
[INFO] checking alumet-0.8.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate alumet 0.8.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate alumet 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate alumet 0.8.0
[INFO] tweaked toml for crates.io crate alumet 0.8.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate alumet 0.8.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate alumet 0.8.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c473c4bd7789a1b6b5925a09dafe7dc6865ffc4ef7658218054a52356ba57151
[INFO] running `Command { std: "docker" "start" "-a" "c473c4bd7789a1b6b5925a09dafe7dc6865ffc4ef7658218054a52356ba57151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c473c4bd7789a1b6b5925a09dafe7dc6865ffc4ef7658218054a52356ba57151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c473c4bd7789a1b6b5925a09dafe7dc6865ffc4ef7658218054a52356ba57151", kill_on_drop: false }`
[INFO] [stdout] c473c4bd7789a1b6b5925a09dafe7dc6865ffc4ef7658218054a52356ba57151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccdbed1384783b7a873459fc728a9b5d257e7d1a2e1de83db35fe6e79b6e539d
[INFO] running `Command { std: "docker" "start" "-a" "ccdbed1384783b7a873459fc728a9b5d257e7d1a2e1de83db35fe6e79b6e539d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling winnow v0.7.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]     Checking smallvec v1.14.0
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[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serial_test_derive v3.2.0
[INFO] [stderr]     Checking tokio v1.44.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
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[INFO] [stderr]     Checking serde v1.0.219
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[INFO] [stderr]     Checking serial_test v3.2.0
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[INFO] [stderr]     Checking toml v0.8.20
[INFO] [stderr]     Checking alumet v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_inner` is never used
[INFO] [stdout]    --> src/measurement.rs:456:19
[INFO] [stdout]     |
[INFO] [stdout] 449 | impl<'a> MeasurementAccumulator<'a> {
[INFO] [stdout]     | ----------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 456 |     pub(crate) fn as_inner(&'a self) -> &'a MeasurementBuffer {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntrospectionResponse` is never constructed
[INFO] [stdout]   --> src/pipeline/control/request/introspect.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct IntrospectionResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CreateOne` is never constructed
[INFO] [stdout]   --> src/pipeline/elements/source/control.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum ControlMessage {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     CreateOne(CreateOneMessage),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ControlMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Future` is never constructed
[INFO] [stdout]    --> src/pipeline/elements/source/trigger.rs:263:5
[INFO] [stdout]     |
[INFO] [stdout] 261 | enum TriggerMechanismSpec {
[INFO] [stdout]     |      -------------------- variant in this enum
[INFO] [stdout] 262 |     TimeInterval(time::Instant, time::Duration),
[INFO] [stdout] 263 |     Future(fn() -> BoxFuture<'static, SourceTriggerOutput>),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TriggerMechanismSpec` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `poll_interval_mut` is never used
[INFO] [stdout]    --> src/pipeline/elements/source/trigger/builder.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl TimeTriggerBuilder {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn poll_interval_mut(&mut self) -> &mut Duration {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PluginErrorContext` is never constructed
[INFO] [stdout]   --> src/pipeline/error.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct PluginErrorContext(PluginName);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `for_plugin` is never used
[INFO] [stdout]   --> src/pipeline/error.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl PipelineError {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) fn for_plugin(plugin: PluginName, error: anyhow::Error) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/agent/config.rs:249:34
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub fn substitute_env(mut input: &str) -> Result<Cow<str>, InvalidSubstitutionError> {
[INFO] [stdout]     |                                  ^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided 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] 249 | pub fn substitute_env(mut input: &str) -> Result<Cow<'_, str>, InvalidSubstitutionError> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/measurement.rs:400:27
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn as_accumulator(&mut self) -> MeasurementAccumulator {
[INFO] [stdout]     |                           ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn as_accumulator(&mut self) -> MeasurementAccumulator<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/metrics/online.rs:285:23
[INFO] [stdout]     |
[INFO] [stdout] 285 |     pub async fn read(&self) -> RwLockReadGuard<MetricRegistry> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 285 |     pub async fn read(&self) -> RwLockReadGuard<'_, MetricRegistry> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/metrics/online.rs:290:24
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub async fn write(&self) -> tokio::sync::RwLockWriteGuard<MetricRegistry> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub async fn write(&self) -> tokio::sync::RwLockWriteGuard<'_, MetricRegistry> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/metrics/online.rs:301:23
[INFO] [stdout]     |
[INFO] [stdout] 301 |     pub async fn read(&self) -> RwLockReadGuard<MetricRegistry> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 301 |     pub async fn read(&self) -> RwLockReadGuard<'_, MetricRegistry> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/metrics/online.rs:308:33
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub(crate) fn blocking_read(&self) -> RwLockReadGuard<MetricRegistry> {
[INFO] [stdout]     |                                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub(crate) fn blocking_read(&self) -> RwLockReadGuard<'_, MetricRegistry> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pipeline/builder.rs:422:20
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn inspect(&self) -> BuilderInspector {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn inspect(&self) -> BuilderInspector<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/pipeline/util/channel.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     async fn recv(&mut self) -> Result<MeasurementBuffer, RecvError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 10 -     async fn recv(&mut self) -> Result<MeasurementBuffer, RecvError>;
[INFO] [stdout] 10 +     fn recv(&mut self) -> impl std::future::Future<Output = Result<MeasurementBuffer, RecvError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `measurements`
[INFO] [stdout]    --> tests/control.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         measurements: &mut alumet::measurement::MeasurementAccumulator,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_measurements`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> tests/control.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         timestamp: alumet::measurement::Timestamp,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `measurements`
[INFO] [stdout]    --> tests/control.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         measurements: &mut alumet::measurement::MeasurementBuffer,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_measurements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> tests/control.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         ctx: &alumet::pipeline::elements::transform::TransformContext,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `measurements`
[INFO] [stdout]    --> tests/control.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |         measurements: &alumet::measurement::MeasurementBuffer,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_measurements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> tests/control.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         ctx: &alumet::pipeline::elements::output::OutputContext,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestPlugin` is never constructed
[INFO] [stdout]  --> tests/metric_duplicates.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct TestPlugin;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_inner` is never used
[INFO] [stdout]    --> src/measurement.rs:456:19
[INFO] [stdout]     |
[INFO] [stdout] 449 | impl<'a> MeasurementAccumulator<'a> {
[INFO] [stdout]     | ----------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 456 |     pub(crate) fn as_inner(&'a self) -> &'a MeasurementBuffer {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IntrospectionResponse` is never constructed
[INFO] [stdout]   --> src/pipeline/control/request/introspect.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct IntrospectionResponse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CreateOne` is never constructed
[INFO] [stdout]   --> src/pipeline/elements/source/control.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum ControlMessage {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     CreateOne(CreateOneMessage),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ControlMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Future` is never constructed
[INFO] [stdout]    --> src/pipeline/elements/source/trigger.rs:263:5
[INFO] [stdout]     |
[INFO] [stdout] 261 | enum TriggerMechanismSpec {
[INFO] [stdout]     |      -------------------- variant in this enum
[INFO] [stdout] 262 |     TimeInterval(time::Instant, time::Duration),
[INFO] [stdout] 263 |     Future(fn() -> BoxFuture<'static, SourceTriggerOutput>),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TriggerMechanismSpec` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `poll_interval_mut` is never used
[INFO] [stdout]    --> src/pipeline/elements/source/trigger/builder.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl TimeTriggerBuilder {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn poll_interval_mut(&mut self) -> &mut Duration {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PluginErrorContext` is never constructed
[INFO] [stdout]   --> src/pipeline/error.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) struct PluginErrorContext(PluginName);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `for_plugin` is never used
[INFO] [stdout]   --> src/pipeline/error.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl PipelineError {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) fn for_plugin(plugin: PluginName, error: anyhow::Error) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/agent/config.rs:249:34
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub fn substitute_env(mut input: &str) -> Result<Cow<str>, InvalidSubstitutionError> {
[INFO] [stdout]     |                                  ^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided 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] 249 | pub fn substitute_env(mut input: &str) -> Result<Cow<'_, str>, InvalidSubstitutionError> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/measurement.rs:400:27
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn as_accumulator(&mut self) -> MeasurementAccumulator {
[INFO] [stdout]     |                           ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 400 |     pub fn as_accumulator(&mut self) -> MeasurementAccumulator<'_> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/metrics/online.rs:285:23
[INFO] [stdout]     |
[INFO] [stdout] 285 |     pub async fn read(&self) -> RwLockReadGuard<MetricRegistry> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 285 |     pub async fn read(&self) -> RwLockReadGuard<'_, MetricRegistry> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/metrics/online.rs:290:24
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub async fn write(&self) -> tokio::sync::RwLockWriteGuard<MetricRegistry> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub async fn write(&self) -> tokio::sync::RwLockWriteGuard<'_, MetricRegistry> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/metrics/online.rs:301:23
[INFO] [stdout]     |
[INFO] [stdout] 301 |     pub async fn read(&self) -> RwLockReadGuard<MetricRegistry> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 301 |     pub async fn read(&self) -> RwLockReadGuard<'_, MetricRegistry> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/metrics/online.rs:308:33
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub(crate) fn blocking_read(&self) -> RwLockReadGuard<MetricRegistry> {
[INFO] [stdout]     |                                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 308 |     pub(crate) fn blocking_read(&self) -> RwLockReadGuard<'_, MetricRegistry> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/pipeline/builder.rs:422:20
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn inspect(&self) -> BuilderInspector {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 422 |     pub fn inspect(&self) -> BuilderInspector<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ElementNamePattern, Infallible>
[INFO] [stdout]    --> src/pipeline/naming/matching.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             ElementNamePattern::try_from(SourceNamePattern::wildcard()).unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ElementNamePattern, Infallible>
[INFO] [stdout]    --> src/pipeline/naming/matching.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |             ElementNamePattern::try_from(TransformNamePattern::wildcard()).unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ElementNamePattern, Infallible>
[INFO] [stdout]    --> src/pipeline/naming/matching.rs:340:13
[INFO] [stdout]     |
[INFO] [stdout] 340 |             ElementNamePattern::try_from(OutputNamePattern::wildcard()).unwrap(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
[INFO] [stdout]   --> src/pipeline/util/channel.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     async fn recv(&mut self) -> Result<MeasurementBuffer, RecvError>;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
[INFO] [stdout]    = note: `#[warn(async_fn_in_trait)]` on by default
[INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
[INFO] [stdout]    |
[INFO] [stdout] 10 -     async fn recv(&mut self) -> Result<MeasurementBuffer, RecvError>;
[INFO] [stdout] 10 +     fn recv(&mut self) -> impl std::future::Future<Output = Result<MeasurementBuffer, RecvError>> + Send;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alumet` (lib test) due to 3 previous errors; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ccdbed1384783b7a873459fc728a9b5d257e7d1a2e1de83db35fe6e79b6e539d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdbed1384783b7a873459fc728a9b5d257e7d1a2e1de83db35fe6e79b6e539d", kill_on_drop: false }`
[INFO] [stdout] ccdbed1384783b7a873459fc728a9b5d257e7d1a2e1de83db35fe6e79b6e539d
