[INFO] fetching crate finny 0.2.0...
[INFO] testing finny-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate finny 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate finny 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate finny 0.2.0
[INFO] finished tweaking crates.io crate finny 0.2.0
[INFO] tweaked toml for crates.io crate finny 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] [stderr]   Downloaded finny_derive v0.2.0
[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_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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eceae861356dcb04cdbedb5ba32db06d48b6b6e099088a4404743025136b35b
[INFO] running `Command { std: "docker" "start" "-a" "2eceae861356dcb04cdbedb5ba32db06d48b6b6e099088a4404743025136b35b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eceae861356dcb04cdbedb5ba32db06d48b6b6e099088a4404743025136b35b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eceae861356dcb04cdbedb5ba32db06d48b6b6e099088a4404743025136b35b", kill_on_drop: false }`
[INFO] [stdout] 2eceae861356dcb04cdbedb5ba32db06d48b6b6e099088a4404743025136b35b
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d2ca1235c18cfbe5166bc9fca7ce988e75e4a63df291906484039e05f9e8082
[INFO] running `Command { std: "docker" "start" "-a" "9d2ca1235c18cfbe5166bc9fca7ce988e75e4a63df291906484039e05f9e8082", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling finny_derive v0.2.0
[INFO] [stderr]    Compiling finny v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FsmBackendImpl`
[INFO] [stdout]  --> src/decl/fsm.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FsmBackendImpl, lib::*};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FsmEventQueue`
[INFO] [stdout]  --> src/fsm/events.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FsmBackend, FsmEventQueue, FsmEventQueueSender, lib::*};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FsmTimersNull`
[INFO] [stdout]  --> src/fsm/fsm_factory.rs:1:91
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FsmBackend, FsmBackendImpl, FsmEventQueue, FsmFrontend, FsmResult, FsmTimers, FsmTimersNull, Inspect};
[INFO] [stdout]   |                                                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FsmStates`
[INFO] [stdout]  --> src/fsm/inspect/mod.rs:4:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{FsmBackend, FsmBackendImpl, FsmEvent, FsmStates};
[INFO] [stdout]   |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/fsm/transitions.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |         let ctx = inspect_event_ctx.for_transition::<Self>();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsm`
[INFO] [stdout]   --> src/inspect/null.rs:47:40
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn event_done<F: FsmBackend>(self, fsm: &FsmBackendImpl<F>) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_fsm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/null.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/inspect/null.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/null.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn info(&self, msg: &str) {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/inspect/null.rs:61:48
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn on_event<S: Any + Debug + Clone>(&self, event: &InspectFsmEvent<S>) {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsm`
[INFO] [stdout]   --> src/inspect/events.rs:57:40
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn event_done<F: FsmBackend>(self, fsm: &FsmBackendImpl<F>) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_fsm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/events.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/inspect/events.rs:61:38
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/events.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn info(&self, msg: &str) {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/timers/core.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let mut timer = self.timers.get_timer_storage_mut(&id);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/timers/core.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let mut timer = self.timers.get_timer_storage_mut(&id);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state_a` is never read
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct States {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 16 |     state_a: StateA
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StateA` is never constructed
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum StateKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 21 |     StateA
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StateKind` 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: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fsm/fsm_impl.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Self::dispatch(self, ev);
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/timers/core.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |                         self.pending_events.push_front(id);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/timers/core.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         self.pending_events.push_front(id);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/timers/core.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.cancel(id.clone());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.91s
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d2ca1235c18cfbe5166bc9fca7ce988e75e4a63df291906484039e05f9e8082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2ca1235c18cfbe5166bc9fca7ce988e75e4a63df291906484039e05f9e8082", kill_on_drop: false }`
[INFO] [stdout] 9d2ca1235c18cfbe5166bc9fca7ce988e75e4a63df291906484039e05f9e8082
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 039867abbb54799244ea6aa2d55b2be0266664ec69af732a29013c04cba6aba7
[INFO] running `Command { std: "docker" "start" "-a" "039867abbb54799244ea6aa2d55b2be0266664ec69af732a29013c04cba6aba7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `FsmBackendImpl`
[INFO] [stdout]  --> src/decl/fsm.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FsmBackendImpl, lib::*};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FsmEventQueue`
[INFO] [stdout]  --> src/fsm/events.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FsmBackend, FsmEventQueue, FsmEventQueueSender, lib::*};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FsmTimersNull`
[INFO] [stdout]  --> src/fsm/fsm_factory.rs:1:91
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FsmBackend, FsmBackendImpl, FsmEventQueue, FsmFrontend, FsmResult, FsmTimers, FsmTimersNull, Inspect};
[INFO] [stdout]   |                                                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FsmStates`
[INFO] [stdout]  --> src/fsm/inspect/mod.rs:4:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{FsmBackend, FsmBackendImpl, FsmEvent, FsmStates};
[INFO] [stdout]   |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/fsm/transitions.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |         let ctx = inspect_event_ctx.for_transition::<Self>();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsm`
[INFO] [stdout]   --> src/inspect/null.rs:47:40
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn event_done<F: FsmBackend>(self, fsm: &FsmBackendImpl<F>) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_fsm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/null.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/inspect/null.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/null.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn info(&self, msg: &str) {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/inspect/null.rs:61:48
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn on_event<S: Any + Debug + Clone>(&self, event: &InspectFsmEvent<S>) {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsm`
[INFO] [stdout]   --> src/inspect/events.rs:57:40
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn event_done<F: FsmBackend>(self, fsm: &FsmBackendImpl<F>) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_fsm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/events.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/inspect/events.rs:61:38
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/events.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn info(&self, msg: &str) {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/timers/core.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let mut timer = self.timers.get_timer_storage_mut(&id);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling finny v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/timers/core.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let mut timer = self.timers.get_timer_storage_mut(&id);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state_a` is never read
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct States {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 16 |     state_a: StateA
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StateA` is never constructed
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum StateKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 21 |     StateA
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StateKind` 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: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fsm/fsm_impl.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Self::dispatch(self, ev);
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/timers/core.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |                         self.pending_events.push_front(id);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/timers/core.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         self.pending_events.push_front(id);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/timers/core.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.cancel(id.clone());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FsmBackendImpl`
[INFO] [stdout]  --> src/decl/fsm.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FsmBackendImpl, lib::*};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FsmEventQueue`
[INFO] [stdout]  --> src/fsm/events.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FsmBackend, FsmEventQueue, FsmEventQueueSender, lib::*};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FsmTimersNull`
[INFO] [stdout]  --> src/fsm/fsm_factory.rs:1:91
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{FsmBackend, FsmBackendImpl, FsmEventQueue, FsmFrontend, FsmResult, FsmTimers, FsmTimersNull, Inspect};
[INFO] [stdout]   |                                                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FsmStates`
[INFO] [stdout]  --> src/fsm/inspect/mod.rs:4:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{FsmBackend, FsmBackendImpl, FsmEvent, FsmStates};
[INFO] [stdout]   |                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/fsm/transitions.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |         let ctx = inspect_event_ctx.for_transition::<Self>();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsm`
[INFO] [stdout]   --> src/inspect/null.rs:47:40
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn event_done<F: FsmBackend>(self, fsm: &FsmBackendImpl<F>) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_fsm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/null.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/inspect/null.rs:51:38
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/null.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn info(&self, msg: &str) {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]   --> src/inspect/null.rs:61:48
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn on_event<S: Any + Debug + Clone>(&self, event: &InspectFsmEvent<S>) {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsm`
[INFO] [stdout]   --> src/inspect/events.rs:57:40
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn event_done<F: FsmBackend>(self, fsm: &FsmBackendImpl<F>) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_fsm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/events.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/inspect/events.rs:61:38
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/inspect/events.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn info(&self, msg: &str) {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/timers/core.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let mut timer = self.timers.get_timer_storage_mut(&id);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/timers/core.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let mut timer = self.timers.get_timer_storage_mut(&id);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state_a` is never read
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct States {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 16 |     state_a: StateA
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `StateA` is never constructed
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum StateKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 21 |     StateA
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StateKind` 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: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/fsm/fsm_impl.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Self::dispatch(self, ev);
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/timers/core.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |                         self.pending_events.push_front(id);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/timers/core.rs:55:25
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         self.pending_events.push_front(id);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/timers/core.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.cancel(id.clone());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "039867abbb54799244ea6aa2d55b2be0266664ec69af732a29013c04cba6aba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039867abbb54799244ea6aa2d55b2be0266664ec69af732a29013c04cba6aba7", kill_on_drop: false }`
[INFO] [stdout] 039867abbb54799244ea6aa2d55b2be0266664ec69af732a29013c04cba6aba7
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d2c39b75341cc36c0fa22fc4b13ee89d9f95062053cbead192d2a910512ebe0
[INFO] running `Command { std: "docker" "start" "-a" "4d2c39b75341cc36c0fa22fc4b13ee89d9f95062053cbead192d2a910512ebe0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `FsmBackendImpl`
[INFO] [stderr]  --> src/decl/fsm.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{FsmBackendImpl, lib::*};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FsmEventQueue`
[INFO] [stderr]  --> src/fsm/events.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{FsmBackend, FsmEventQueue, FsmEventQueueSender, lib::*};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FsmTimersNull`
[INFO] [stderr]  --> src/fsm/fsm_factory.rs:1:91
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{FsmBackend, FsmBackendImpl, FsmEventQueue, FsmFrontend, FsmResult, FsmTimers, FsmTimersNull, Inspect};
[INFO] [stderr]   |                                                                                           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FsmStates`
[INFO] [stderr]  --> src/fsm/inspect/mod.rs:4:51
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::{FsmBackend, FsmBackendImpl, FsmEvent, FsmStates};
[INFO] [stderr]   |                                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/fsm/transitions.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let ctx = inspect_event_ctx.for_transition::<Self>();
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fsm`
[INFO] [stderr]   --> src/inspect/null.rs:47:40
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn event_done<F: FsmBackend>(self, fsm: &FsmBackendImpl<F>) {
[INFO] [stderr]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_fsm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/inspect/null.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/inspect/null.rs:51:38
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stderr]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/inspect/null.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn info(&self, msg: &str) {
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/inspect/null.rs:61:48
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn on_event<S: Any + Debug + Clone>(&self, event: &InspectFsmEvent<S>) {
[INFO] [stderr]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fsm`
[INFO] [stderr]   --> src/inspect/events.rs:57:40
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn event_done<F: FsmBackend>(self, fsm: &FsmBackendImpl<F>) {
[INFO] [stderr]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_fsm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/inspect/events.rs:61:27
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stderr]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/inspect/events.rs:61:38
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn on_error<E>(&self, msg: &str, error: &E) where E: core::fmt::Debug {
[INFO] [stderr]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/inspect/events.rs:65:20
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn info(&self, msg: &str) {
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/timers/core.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let mut timer = self.timers.get_timer_storage_mut(&id);
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/timers/core.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |             let mut timer = self.timers.get_timer_storage_mut(&id);
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `state_a` is never read
[INFO] [stderr]   --> src/fsm/tests_fsm.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct States {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 16 |     state_a: StateA
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `StateA` is never constructed
[INFO] [stderr]   --> src/fsm/tests_fsm.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub enum StateKind {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] 21 |     StateA
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StateKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/fsm/fsm_impl.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             Self::dispatch(self, ev);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/timers/core.rs:47:25
[INFO] [stderr]    |
[INFO] [stderr] 47 |                         self.pending_events.push_front(id);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/timers/core.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |                         self.pending_events.push_front(id);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/timers/core.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         self.cancel(id.clone());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `finny` (lib) generated 22 warnings (run `cargo fix --lib -p finny` to apply 16 suggestions)
[INFO] [stderr] warning: `finny` (lib test) generated 22 warnings (22 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/finny-0b21cf97ea336d3b)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test fsm::queue::test_array ... ok
[INFO] [stdout] test fsm::queue::test_dequeue_vec ... ok
[INFO] [stdout] test fsm::queue::test_heapless_shared ... ok
[INFO] [stderr]    Doc-tests finny
[INFO] [stdout] test fsm::queue::test_dequeue_vec_shared ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d2c39b75341cc36c0fa22fc4b13ee89d9f95062053cbead192d2a910512ebe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2c39b75341cc36c0fa22fc4b13ee89d9f95062053cbead192d2a910512ebe0", kill_on_drop: false }`
[INFO] [stdout] 4d2c39b75341cc36c0fa22fc4b13ee89d9f95062053cbead192d2a910512ebe0
