[INFO] fetching crate finny 0.2.0...
[INFO] testing finny-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate finny 0.2.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate finny 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding arraydeque v0.4.5 (available: v0.5.1)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded slog v2.8.2
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded finny_derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed38e5fce6824eb071f74e1020f032dbe5c7f8a1e6c9d5a2f89cbddf3f6987f0
[INFO] running `Command { std: "docker" "start" "-a" "ed38e5fce6824eb071f74e1020f032dbe5c7f8a1e6c9d5a2f89cbddf3f6987f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed38e5fce6824eb071f74e1020f032dbe5c7f8a1e6c9d5a2f89cbddf3f6987f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed38e5fce6824eb071f74e1020f032dbe5c7f8a1e6c9d5a2f89cbddf3f6987f0", kill_on_drop: false }`
[INFO] [stdout] ed38e5fce6824eb071f74e1020f032dbe5c7f8a1e6c9d5a2f89cbddf3f6987f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a23556ae1f01adb5fcd39644ec2cc517bd3e9c9bcf5119e18afc1c967f9779aa
[INFO] running `Command { std: "docker" "start" "-a" "a23556ae1f01adb5fcd39644ec2cc517bd3e9c9bcf5119e18afc1c967f9779aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_more v0.99.20
[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)]` (part of `#[warn(unused)]`) 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 import: `self`
[INFO] [stdout]    --> src/lib.rs:111:33
[INFO] [stdout]     |
[INFO] [stdout] 111 |    pub use self::core::marker::{self, PhantomData};
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndexMut` and `Index`
[INFO] [stdout]    --> src/lib.rs:112:47
[INFO] [stdout]     |
[INFO] [stdout] 112 |    pub use self::core::ops::{Deref, DerefMut, Index, IndexMut};
[INFO] [stdout]     |                                               ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::core::slice::SliceIndex`
[INFO] [stdout]    --> src/lib.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |    pub use self::core::slice::SliceIndex;
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: struct `StateA` is never constructed
[INFO] [stdout]  --> src/fsm/tests_fsm.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StateA;
[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 `EventA` is never constructed
[INFO] [stdout]  --> src/fsm/tests_fsm.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct EventA { pub n: usize }
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestFsm` is never constructed
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct TestFsm;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `States` is never constructed
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct States {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StateKind` is never used
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum StateKind {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Events` is never used
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Events {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FsmBackendTimers` is never used
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum FsmBackendTimers {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decl/state.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<TFsm, TContext, TEvent, TState> {
[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] 26 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<'_, TFsm, TContext, TEvent, TState> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decl/state.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 | ...r>(&self, _setup: FSetup, _trigger: FTrigger) -> FsmStateTimerBuilder<TFsm, TContext, TState>
[INFO] [stdout]    |       ^^^^^ the lifetime is elided here             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn on_entry_start_timer<FSetup, FTrigger>(&self, _setup: FSetup, _trigger: FTrigger) -> FsmStateTimerBuilder<'_, TFsm, TContext, TState>
[INFO] [stdout]    |                                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decl/sub.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<TFsm, TContext, TEvent, TSubMachine> {
[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] 33 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<'_, TFsm, TContext, TEvent, TSubMachine> {
[INFO] [stdout]    |                                                            +++
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let _ = Self::dispatch(self, ev);
[INFO] [stdout]     |             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |                         let _ = self.pending_events.push_front(id);
[INFO] [stdout]    |                         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         let _ = self.pending_events.push_front(id);
[INFO] [stdout]    |                         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let _ = self.cancel(id.clone());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "a23556ae1f01adb5fcd39644ec2cc517bd3e9c9bcf5119e18afc1c967f9779aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23556ae1f01adb5fcd39644ec2cc517bd3e9c9bcf5119e18afc1c967f9779aa", kill_on_drop: false }`
[INFO] [stdout] a23556ae1f01adb5fcd39644ec2cc517bd3e9c9bcf5119e18afc1c967f9779aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3327fc5003f1f54409957d7f72c8455beca94a4a4f983104da4505c3f22b8be5
[INFO] running `Command { std: "docker" "start" "-a" "3327fc5003f1f54409957d7f72c8455beca94a4a4f983104da4505c3f22b8be5", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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 import: `self`
[INFO] [stdout]    --> src/lib.rs:111:33
[INFO] [stdout]     |
[INFO] [stdout] 111 |    pub use self::core::marker::{self, PhantomData};
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndexMut` and `Index`
[INFO] [stdout]    --> src/lib.rs:112:47
[INFO] [stdout]     |
[INFO] [stdout] 112 |    pub use self::core::ops::{Deref, DerefMut, Index, IndexMut};
[INFO] [stdout]     |                                               ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::core::slice::SliceIndex`
[INFO] [stdout]    --> src/lib.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |    pub use self::core::slice::SliceIndex;
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: struct `StateA` is never constructed
[INFO] [stdout]  --> src/fsm/tests_fsm.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct StateA;
[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 `EventA` is never constructed
[INFO] [stdout]  --> src/fsm/tests_fsm.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct EventA { pub n: usize }
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestFsm` is never constructed
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct TestFsm;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `States` is never constructed
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct States {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StateKind` is never used
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum StateKind {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Events` is never used
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Events {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FsmBackendTimers` is never used
[INFO] [stdout]   --> src/fsm/tests_fsm.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum FsmBackendTimers {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decl/state.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<TFsm, TContext, TEvent, TState> {
[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] 26 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<'_, TFsm, TContext, TEvent, TState> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decl/state.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 | ...r>(&self, _setup: FSetup, _trigger: FTrigger) -> FsmStateTimerBuilder<TFsm, TContext, TState>
[INFO] [stdout]    |       ^^^^^ the lifetime is elided here             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn on_entry_start_timer<FSetup, FTrigger>(&self, _setup: FSetup, _trigger: FTrigger) -> FsmStateTimerBuilder<'_, TFsm, TContext, TState>
[INFO] [stdout]    |                                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decl/sub.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<TFsm, TContext, TEvent, TSubMachine> {
[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] 33 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<'_, TFsm, TContext, TEvent, TSubMachine> {
[INFO] [stdout]    |                                                            +++
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let _ = Self::dispatch(self, ev);
[INFO] [stdout]     |             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |                         let _ = self.pending_events.push_front(id);
[INFO] [stdout]    |                         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         let _ = self.pending_events.push_front(id);
[INFO] [stdout]    |                         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let _ = self.cancel(id.clone());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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 import: `self`
[INFO] [stdout]    --> src/lib.rs:111:33
[INFO] [stdout]     |
[INFO] [stdout] 111 |    pub use self::core::marker::{self, PhantomData};
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndexMut` and `Index`
[INFO] [stdout]    --> src/lib.rs:112:47
[INFO] [stdout]     |
[INFO] [stdout] 112 |    pub use self::core::ops::{Deref, DerefMut, Index, IndexMut};
[INFO] [stdout]     |                                               ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::core::slice::SliceIndex`
[INFO] [stdout]    --> src/lib.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |    pub use self::core::slice::SliceIndex;
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decl/state.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<TFsm, TContext, TEvent, TState> {
[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] 26 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<'_, TFsm, TContext, TEvent, TState> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decl/state.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 | ...r>(&self, _setup: FSetup, _trigger: FTrigger) -> FsmStateTimerBuilder<TFsm, TContext, TState>
[INFO] [stdout]    |       ^^^^^ the lifetime is elided here             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn on_entry_start_timer<FSetup, FTrigger>(&self, _setup: FSetup, _trigger: FTrigger) -> FsmStateTimerBuilder<'_, TFsm, TContext, TState>
[INFO] [stdout]    |                                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/decl/sub.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<TFsm, TContext, TEvent, TSubMachine> {
[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] 33 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<'_, TFsm, TContext, TEvent, TSubMachine> {
[INFO] [stdout]    |                                                            +++
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let _ = Self::dispatch(self, ev);
[INFO] [stdout]     |             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |                         let _ = self.pending_events.push_front(id);
[INFO] [stdout]    |                         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         let _ = self.pending_events.push_front(id);
[INFO] [stdout]    |                         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let _ = self.cancel(id.clone());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "3327fc5003f1f54409957d7f72c8455beca94a4a4f983104da4505c3f22b8be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3327fc5003f1f54409957d7f72c8455beca94a4a4f983104da4505c3f22b8be5", kill_on_drop: false }`
[INFO] [stdout] 3327fc5003f1f54409957d7f72c8455beca94a4a4f983104da4505c3f22b8be5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f7b50e54e269b562e55d7595cae22131512ec66772170602bbe9864b7d6d49f
[INFO] running `Command { std: "docker" "start" "-a" "0f7b50e54e269b562e55d7595cae22131512ec66772170602bbe9864b7d6d49f", 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)]` (part of `#[warn(unused)]`) 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 import: `self`
[INFO] [stderr]    --> src/lib.rs:111:33
[INFO] [stderr]     |
[INFO] [stderr] 111 |    pub use self::core::marker::{self, PhantomData};
[INFO] [stderr]     |                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IndexMut` and `Index`
[INFO] [stderr]    --> src/lib.rs:112:47
[INFO] [stderr]     |
[INFO] [stderr] 112 |    pub use self::core::ops::{Deref, DerefMut, Index, IndexMut};
[INFO] [stderr]     |                                               ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::core::slice::SliceIndex`
[INFO] [stderr]    --> src/lib.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 117 |    pub use self::core::slice::SliceIndex;
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: struct `StateA` is never constructed
[INFO] [stderr]  --> src/fsm/tests_fsm.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct StateA;
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `EventA` is never constructed
[INFO] [stderr]  --> src/fsm/tests_fsm.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct EventA { pub n: usize }
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TestFsm` is never constructed
[INFO] [stderr]   --> src/fsm/tests_fsm.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct TestFsm;
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `States` is never constructed
[INFO] [stderr]   --> src/fsm/tests_fsm.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct States {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `StateKind` is never used
[INFO] [stderr]   --> src/fsm/tests_fsm.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub enum StateKind {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Events` is never used
[INFO] [stderr]   --> src/fsm/tests_fsm.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub enum Events {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `FsmBackendTimers` is never used
[INFO] [stderr]   --> src/fsm/tests_fsm.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub enum FsmBackendTimers {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/decl/state.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<TFsm, TContext, TEvent, TState> {
[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] 26 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<'_, TFsm, TContext, TEvent, TState> {
[INFO] [stderr]    |                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/decl/state.rs:36:48
[INFO] [stderr]    |
[INFO] [stderr] 36 | ...r>(&self, _setup: FSetup, _trigger: FTrigger) -> FsmStateTimerBuilder<TFsm, TContext, TState>
[INFO] [stderr]    |       ^^^^^ the lifetime is elided here             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 36 |     pub fn on_entry_start_timer<FSetup, FTrigger>(&self, _setup: FSetup, _trigger: FTrigger) -> FsmStateTimerBuilder<'_, TFsm, TContext, TState>
[INFO] [stderr]    |                                                                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/decl/sub.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<TFsm, TContext, TEvent, TSubMachine> {
[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] 33 |     pub fn on_event<TEvent>(&self) -> FsmEventBuilderState<'_, TFsm, TContext, TEvent, TSubMachine> {
[INFO] [stderr]    |                                                            +++
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let _ = Self::dispatch(self, ev);
[INFO] [stderr]     |             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 47 |                         let _ = self.pending_events.push_front(id);
[INFO] [stderr]    |                         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 55 |                         let _ = self.pending_events.push_front(id);
[INFO] [stderr]    |                         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let _ = self.cancel(id.clone());
[INFO] [stderr]    |         +++++++
[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)]` (part of `#[warn(unused)]`) 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: `finny` (lib) generated 33 warnings (run `cargo fix --lib -p finny` to apply 22 suggestions)
[INFO] [stderr] warning: `finny` (lib test) generated 28 warnings (26 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/finny-f2bb044de0dfb270)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test fsm::queue::test_array ... ok
[INFO] [stdout] test fsm::queue::test_heapless_shared ... ok
[INFO] [stdout] test fsm::queue::test_dequeue_vec_shared ... ok
[INFO] [stdout] test fsm::queue::test_dequeue_vec ... 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] [stderr]    Doc-tests finny
[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 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f7b50e54e269b562e55d7595cae22131512ec66772170602bbe9864b7d6d49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7b50e54e269b562e55d7595cae22131512ec66772170602bbe9864b7d6d49f", kill_on_drop: false }`
[INFO] [stdout] 0f7b50e54e269b562e55d7595cae22131512ec66772170602bbe9864b7d6d49f
