[INFO] fetching crate rs-statemachine 0.1.0...
[INFO] testing rs-statemachine-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rs-statemachine 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rs-statemachine 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rs-statemachine 0.1.0
[INFO] tweaked toml for crates.io crate rs-statemachine 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-statemachine 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs-statemachine 0.1.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8dd584d737e985e5e521c48c4737b61936cfb3c73fd6151ff316e08d42996fe
[INFO] running `Command { std: "docker" "start" "-a" "f8dd584d737e985e5e521c48c4737b61936cfb3c73fd6151ff316e08d42996fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8dd584d737e985e5e521c48c4737b61936cfb3c73fd6151ff316e08d42996fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8dd584d737e985e5e521c48c4737b61936cfb3c73fd6151ff316e08d42996fe", kill_on_drop: false }`
[INFO] [stdout] f8dd584d737e985e5e521c48c4737b61936cfb3c73fd6151ff316e08d42996fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92d152cfc647c63c9b7ee675da831899e6ccc919dc0b67332a7cd4bd872819af
[INFO] running `Command { std: "docker" "start" "-a" "92d152cfc647c63c9b7ee675da831899e6ccc919dc0b67332a7cd4bd872819af", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-statemachine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:319:17
[INFO] [stdout]     |
[INFO] [stdout] 319 |             let mut valid_transitions = transitions.clone();
[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: field `transition_type` is never read
[INFO] [stdout]    --> src/lib.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct Transition<S, E, C>
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 128 |     transition_type: TransitionType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Transition` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:606:32
[INFO] [stdout]     |
[INFO] [stdout] 606 |     pub fn external_transition(&mut self) -> ExternalTransitionBuilder<S, E, C> {
[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] 606 |     pub fn external_transition(&mut self) -> ExternalTransitionBuilder<'_, S, E, C> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:611:32
[INFO] [stdout]     |
[INFO] [stdout] 611 |     pub fn internal_transition(&mut self) -> InternalTransitionBuilder<S, E, C> {
[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] 611 |     pub fn internal_transition(&mut self) -> InternalTransitionBuilder<'_, S, E, C> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:616:33
[INFO] [stdout]     |
[INFO] [stdout] 616 |     pub fn external_transitions(&mut self) -> ExternalTransitionsBuilder<S, E, C> {
[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] 616 |     pub fn external_transitions(&mut self) -> ExternalTransitionsBuilder<'_, S, E, C> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "92d152cfc647c63c9b7ee675da831899e6ccc919dc0b67332a7cd4bd872819af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d152cfc647c63c9b7ee675da831899e6ccc919dc0b67332a7cd4bd872819af", kill_on_drop: false }`
[INFO] [stdout] 92d152cfc647c63c9b7ee675da831899e6ccc919dc0b67332a7cd4bd872819af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de9c560618a85b0bf1d523544c6459f5857f7b8a2493c1db8f624d3723417303
[INFO] running `Command { std: "docker" "start" "-a" "de9c560618a85b0bf1d523544c6459f5857f7b8a2493c1db8f624d3723417303", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:319:17
[INFO] [stdout]     |
[INFO] [stdout] 319 |             let mut valid_transitions = transitions.clone();
[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: field `transition_type` is never read
[INFO] [stdout]    --> src/lib.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct Transition<S, E, C>
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 128 |     transition_type: TransitionType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Transition` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rs-statemachine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:606:32
[INFO] [stdout]     |
[INFO] [stdout] 606 |     pub fn external_transition(&mut self) -> ExternalTransitionBuilder<S, E, C> {
[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] 606 |     pub fn external_transition(&mut self) -> ExternalTransitionBuilder<'_, S, E, C> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:611:32
[INFO] [stdout]     |
[INFO] [stdout] 611 |     pub fn internal_transition(&mut self) -> InternalTransitionBuilder<S, E, C> {
[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] 611 |     pub fn internal_transition(&mut self) -> InternalTransitionBuilder<'_, S, E, C> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:616:33
[INFO] [stdout]     |
[INFO] [stdout] 616 |     pub fn external_transitions(&mut self) -> ExternalTransitionsBuilder<S, E, C> {
[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] 616 |     pub fn external_transitions(&mut self) -> ExternalTransitionsBuilder<'_, S, E, C> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Delivered` and `Refunded` are never constructed
[INFO] [stdout]   --> examples/order_example.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | enum OrderState {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Delivered,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 14 |     Cancelled,
[INFO] [stdout] 15 |     Refunded,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OrderState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Deliver` and `Refund` are never constructed
[INFO] [stdout]   --> examples/order_example.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum OrderEvent {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     Deliver,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 27 |     Cancel,
[INFO] [stdout] 28 |     Refund,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OrderEvent` 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: field `customer_id` is never read
[INFO] [stdout]   --> examples/order_example.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct OrderContext {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     customer_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OrderContext` 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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:319:17
[INFO] [stdout]     |
[INFO] [stdout] 319 |             let mut valid_transitions = transitions.clone();
[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: field `transition_type` is never read
[INFO] [stdout]    --> src/lib.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct Transition<S, E, C>
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 128 |     transition_type: TransitionType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Transition` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `State3` and `State4` are never constructed
[INFO] [stdout]     --> src/lib.rs:1119:9
[INFO] [stdout]      |
[INFO] [stdout] 1116 |     enum States {
[INFO] [stdout]      |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 1119 |         State3,
[INFO] [stdout]      |         ^^^^^^
[INFO] [stdout] 1120 |         State4,
[INFO] [stdout]      |         ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `States` 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: variants `Event3`, `Event4`, and `InternalEvent` are never constructed
[INFO] [stdout]     --> src/lib.rs:1129:9
[INFO] [stdout]      |
[INFO] [stdout] 1126 |     enum Events {
[INFO] [stdout]      |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 1129 |         Event3,
[INFO] [stdout]      |         ^^^^^^
[INFO] [stdout] 1130 |         Event4,
[INFO] [stdout]      |         ^^^^^^
[INFO] [stdout] 1131 |         InternalEvent,
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `Events` 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: field `entity_id` is never read
[INFO] [stdout]     --> src/lib.rs:1139:9
[INFO] [stdout]      |
[INFO] [stdout] 1137 |     struct TestContext {
[INFO] [stdout]      |            ----------- field in this struct
[INFO] [stdout] 1138 |         operator: String,
[INFO] [stdout] 1139 |         entity_id: String,
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `TestContext` 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:606:32
[INFO] [stdout]     |
[INFO] [stdout] 606 |     pub fn external_transition(&mut self) -> ExternalTransitionBuilder<S, E, C> {
[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] 606 |     pub fn external_transition(&mut self) -> ExternalTransitionBuilder<'_, S, E, C> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:611:32
[INFO] [stdout]     |
[INFO] [stdout] 611 |     pub fn internal_transition(&mut self) -> InternalTransitionBuilder<S, E, C> {
[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] 611 |     pub fn internal_transition(&mut self) -> InternalTransitionBuilder<'_, S, E, C> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:616:33
[INFO] [stdout]     |
[INFO] [stdout] 616 |     pub fn external_transitions(&mut self) -> ExternalTransitionsBuilder<S, E, C> {
[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] 616 |     pub fn external_transitions(&mut self) -> ExternalTransitionsBuilder<'_, S, E, C> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TrafficLightState` is more private than the item `build_traffic_light_system`
[INFO] [stdout]   --> examples/traffic_light_example.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / pub fn build_traffic_light_system(
[INFO] [stdout] 45 | | ) -> StateMachine<TrafficLightState, TrafficLightEvent, TrafficContext> {
[INFO] [stdout]    | |_______________________________________________________________________^ function `build_traffic_light_system` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `TrafficLightState` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> examples/traffic_light_example.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum TrafficLightState {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TrafficLightEvent` is more private than the item `build_traffic_light_system`
[INFO] [stdout]   --> examples/traffic_light_example.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / pub fn build_traffic_light_system(
[INFO] [stdout] 45 | | ) -> StateMachine<TrafficLightState, TrafficLightEvent, TrafficContext> {
[INFO] [stdout]    | |_______________________________________________________________________^ function `build_traffic_light_system` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `TrafficLightEvent` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> examples/traffic_light_example.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum TrafficLightEvent {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TrafficContext` is more private than the item `build_traffic_light_system`
[INFO] [stdout]   --> examples/traffic_light_example.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | / pub fn build_traffic_light_system(
[INFO] [stdout] 45 | | ) -> StateMachine<TrafficLightState, TrafficLightEvent, TrafficContext> {
[INFO] [stdout]    | |_______________________________________________________________________^ function `build_traffic_light_system` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `TrafficContext` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> examples/traffic_light_example.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct TrafficContext {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PedestrianRequest` is never constructed
[INFO] [stdout]   --> examples/traffic_light_example.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum TrafficLightEvent {
[INFO] [stdout]    |      ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 27 |     PedestrianRequest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TrafficLightEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `traffic_density` and `time_in_state` are never read
[INFO] [stdout]   --> examples/traffic_light_example.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct TrafficContext {
[INFO] [stdout]    |        -------------- fields in this struct
[INFO] [stdout] 34 |     intersection_id: String,
[INFO] [stdout] 35 |     traffic_density: f32, // 0.0 to 1.0
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     time_in_state: std::time::Duration,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TrafficContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "de9c560618a85b0bf1d523544c6459f5857f7b8a2493c1db8f624d3723417303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9c560618a85b0bf1d523544c6459f5857f7b8a2493c1db8f624d3723417303", kill_on_drop: false }`
[INFO] [stdout] de9c560618a85b0bf1d523544c6459f5857f7b8a2493c1db8f624d3723417303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7c69964e4db9e8942f89c471a070668ef9813953a39484f382a42e48209d289
[INFO] running `Command { std: "docker" "start" "-a" "c7c69964e4db9e8942f89c471a070668ef9813953a39484f382a42e48209d289", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:319:17
[INFO] [stderr]     |
[INFO] [stderr] 319 |             let mut valid_transitions = transitions.clone();
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `transition_type` is never read
[INFO] [stderr]    --> src/lib.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub struct Transition<S, E, C>
[INFO] [stderr]     |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 128 |     transition_type: TransitionType,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Transition` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:606:32
[INFO] [stderr]     |
[INFO] [stderr] 606 |     pub fn external_transition(&mut self) -> ExternalTransitionBuilder<S, E, C> {
[INFO] [stderr]     |                                ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                |
[INFO] [stderr]     |                                the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 606 |     pub fn external_transition(&mut self) -> ExternalTransitionBuilder<'_, S, E, C> {
[INFO] [stderr]     |                                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:611:32
[INFO] [stderr]     |
[INFO] [stderr] 611 |     pub fn internal_transition(&mut self) -> InternalTransitionBuilder<S, E, C> {
[INFO] [stderr]     |                                ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                |
[INFO] [stderr]     |                                the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 611 |     pub fn internal_transition(&mut self) -> InternalTransitionBuilder<'_, S, E, C> {
[INFO] [stderr]     |                                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:616:33
[INFO] [stderr]     |
[INFO] [stderr] 616 |     pub fn external_transitions(&mut self) -> ExternalTransitionsBuilder<S, E, C> {
[INFO] [stderr]     |                                 ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 616 |     pub fn external_transitions(&mut self) -> ExternalTransitionsBuilder<'_, S, E, C> {
[INFO] [stderr]     |                                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-statemachine` (lib) generated 5 warnings (run `cargo fix --lib -p rs-statemachine` to apply 4 suggestions)
[INFO] [stderr] warning: variants `Delivered` and `Refunded` are never constructed
[INFO] [stderr]   --> examples/order_example.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr]  7 | enum OrderState {
[INFO] [stderr]    |      ---------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 13 |     Delivered,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 14 |     Cancelled,
[INFO] [stderr] 15 |     Refunded,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `OrderState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Deliver` and `Refund` are never constructed
[INFO] [stderr]   --> examples/order_example.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | enum OrderEvent {
[INFO] [stderr]    |      ---------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 26 |     Deliver,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 27 |     Cancel,
[INFO] [stderr] 28 |     Refund,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `OrderEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `customer_id` is never read
[INFO] [stderr]   --> examples/order_example.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct OrderContext {
[INFO] [stderr]    |        ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 37 |     customer_id: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `OrderContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-statemachine` (example "order_example") generated 3 warnings
[INFO] [stderr] warning: type `TrafficLightState` is more private than the item `build_traffic_light_system`
[INFO] [stderr]   --> examples/traffic_light_example.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | / pub fn build_traffic_light_system(
[INFO] [stderr] 45 | | ) -> StateMachine<TrafficLightState, TrafficLightEvent, TrafficContext> {
[INFO] [stderr]    | |_______________________________________________________________________^ function `build_traffic_light_system` is reachable at visibility `pub`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `TrafficLightState` is only usable at visibility `pub(crate)`
[INFO] [stderr]   --> examples/traffic_light_example.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum TrafficLightState {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `TrafficLightEvent` is more private than the item `build_traffic_light_system`
[INFO] [stderr]   --> examples/traffic_light_example.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | / pub fn build_traffic_light_system(
[INFO] [stderr] 45 | | ) -> StateMachine<TrafficLightState, TrafficLightEvent, TrafficContext> {
[INFO] [stderr]    | |_______________________________________________________________________^ function `build_traffic_light_system` is reachable at visibility `pub`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `TrafficLightEvent` is only usable at visibility `pub(crate)`
[INFO] [stderr]   --> examples/traffic_light_example.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | enum TrafficLightEvent {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `TrafficContext` is more private than the item `build_traffic_light_system`
[INFO] [stderr]   --> examples/traffic_light_example.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | / pub fn build_traffic_light_system(
[INFO] [stderr] 45 | | ) -> StateMachine<TrafficLightState, TrafficLightEvent, TrafficContext> {
[INFO] [stderr]    | |_______________________________________________________________________^ function `build_traffic_light_system` is reachable at visibility `pub`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `TrafficContext` is only usable at visibility `pub(crate)`
[INFO] [stderr]   --> examples/traffic_light_example.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct TrafficContext {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `PedestrianRequest` is never constructed
[INFO] [stderr]   --> examples/traffic_light_example.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | enum TrafficLightEvent {
[INFO] [stderr]    |      ----------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 27 |     PedestrianRequest,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TrafficLightEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `traffic_density` and `time_in_state` are never read
[INFO] [stderr]   --> examples/traffic_light_example.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct TrafficContext {
[INFO] [stderr]    |        -------------- fields in this struct
[INFO] [stderr] 34 |     intersection_id: String,
[INFO] [stderr] 35 |     traffic_density: f32, // 0.0 to 1.0
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |     time_in_state: std::time::Duration,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TrafficContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `State3` and `State4` are never constructed
[INFO] [stderr]     --> src/lib.rs:1119:9
[INFO] [stderr]      |
[INFO] [stderr] 1116 |     enum States {
[INFO] [stderr]      |          ------ variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 1119 |         State3,
[INFO] [stderr]      |         ^^^^^^
[INFO] [stderr] 1120 |         State4,
[INFO] [stderr]      |         ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `States` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Event3`, `Event4`, and `InternalEvent` are never constructed
[INFO] [stderr]     --> src/lib.rs:1129:9
[INFO] [stderr]      |
[INFO] [stderr] 1126 |     enum Events {
[INFO] [stderr]      |          ------ variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 1129 |         Event3,
[INFO] [stderr]      |         ^^^^^^
[INFO] [stderr] 1130 |         Event4,
[INFO] [stderr]      |         ^^^^^^
[INFO] [stderr] 1131 |         InternalEvent,
[INFO] [stderr]      |         ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `Events` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `entity_id` is never read
[INFO] [stderr]     --> src/lib.rs:1139:9
[INFO] [stderr]      |
[INFO] [stderr] 1137 |     struct TestContext {
[INFO] [stderr]      |            ----------- field in this struct
[INFO] [stderr] 1138 |         operator: String,
[INFO] [stderr] 1139 |         entity_id: String,
[INFO] [stderr]      |         ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `TestContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-statemachine` (example "traffic_light_example") generated 5 warnings
[INFO] [stderr] warning: `rs-statemachine` (lib test) generated 8 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_statemachine-f5726b0ff58e50e6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests rs_statemachine
[INFO] [stdout] test tests::test_metrics_collection ... ok
[INFO] [stdout] test tests::test_basic_transition ... ok
[INFO] [stdout] test tests::test_entry_exit_actions ... ok
[INFO] [stdout] test tests::test_history_tracking ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7c69964e4db9e8942f89c471a070668ef9813953a39484f382a42e48209d289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c69964e4db9e8942f89c471a070668ef9813953a39484f382a42e48209d289", kill_on_drop: false }`
[INFO] [stdout] c7c69964e4db9e8942f89c471a070668ef9813953a39484f382a42e48209d289
