[INFO] fetching crate aector 0.1.1...
[INFO] checking aector-0.1.1 against try#e622d8d7bed4f2668d446e06c6c1436ecae15796 for pr-156776
[INFO] extracting crate aector 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate aector 0.1.1
[INFO] finished tweaking crates.io crate aector 0.1.1
[INFO] tweaked toml for crates.io crate aector 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aector 0.1.1 on toolchain e622d8d7bed4f2668d446e06c6c1436ecae15796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aector 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8206f85b9a10837937ba318285afa83b1af95a7c68941c8a3664c2f7ad2085dc
[INFO] running `Command { std: "docker" "start" "-a" "8206f85b9a10837937ba318285afa83b1af95a7c68941c8a3664c2f7ad2085dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8206f85b9a10837937ba318285afa83b1af95a7c68941c8a3664c2f7ad2085dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8206f85b9a10837937ba318285afa83b1af95a7c68941c8a3664c2f7ad2085dc", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+e622d8d7bed4f2668d446e06c6c1436ecae15796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: field `test_state` is never read
[INFO] [stdout]    --> src/testing/actor_test.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub struct ActorTestBuilder<S: Send + 'static> {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 221 |     test_state: TestActorState,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `test_state` is never read
[INFO] [stdout]    --> src/testing/actor_test.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub struct ActorTestBuilder<S: Send + 'static> {
[INFO] [stdout]     |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 221 |     test_state: TestActorState,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/address.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 tx.send(msg);
[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] 19 |                 let _ = tx.send(msg);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/address.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     tx.send(msg).await;
[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] 24 |                     let _ = tx.send(msg).await;
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type BehaviorAction<S: Send + 'static> = Result<Option<Behavior<S>>, Box<dyn Error>>;
[INFO] [stdout]    |                            ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 20 - pub type BehaviorAction<S: Send + 'static> = Result<Option<Behavior<S>>, Box<dyn Error>>;
[INFO] [stdout] 20 + pub type BehaviorAction<S> = Result<Option<Behavior<S>>, Box<dyn Error>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | type HandlerFn<S: Send + 'static> = Arc<dyn Fn(Message, &mut S, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout]    |                   ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 25 - type HandlerFn<S: Send + 'static> = Arc<dyn Fn(Message, &mut S, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout] 25 + type HandlerFn<S> = Arc<dyn Fn(Message, &mut S, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 | type UserDefinedAskHandlerFn<M: Any + Send, S: Send + 'static> = fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout]    |                                 ^^^   ^^^^     ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 28 - type UserDefinedAskHandlerFn<M: Any + Send, S: Send + 'static> = fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout] 28 + type UserDefinedAskHandlerFn<M, S> = fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 | type UserDefinedTellHandlerFn<M: Any + Send, S: Send + 'static> = fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout]    |                                  ^^^   ^^^^     ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 30 - type UserDefinedTellHandlerFn<M: Any + Send, S: Send + 'static> = fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout] 30 + type UserDefinedTellHandlerFn<M, S> = fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 | type PlainActorAction<S: Send + 'static> = fn(&mut S, &mut ActorContext) -> ();
[INFO] [stdout]    |                          ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 33 - type PlainActorAction<S: Send + 'static> = fn(&mut S, &mut ActorContext) -> ();
[INFO] [stdout] 33 + type PlainActorAction<S> = fn(&mut S, &mut ActorContext) -> ();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 | type UserDefinedTellHandlerClosure<M: Any + Send, S: Send + 'static> = Box<dyn Fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S>...
[INFO] [stdout]    |                                       ^^^   ^^^^     ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 36 - type UserDefinedTellHandlerClosure<M: Any + Send, S: Send + 'static> = Box<dyn Fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout] 36 + type UserDefinedTellHandlerClosure<M, S> = Box<dyn Fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 | type UserDefinedAskHandlerClosure<M: Any + Send, S: Send + 'static> = Box<dyn Fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorActi...
[INFO] [stdout]    |                                      ^^^   ^^^^     ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 38 - type UserDefinedAskHandlerClosure<M: Any + Send, S: Send + 'static> = Box<dyn Fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout] 38 + type UserDefinedAskHandlerClosure<M, S> = Box<dyn Fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/address.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                 tx.send(msg);
[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] 19 |                 let _ = tx.send(msg);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/address.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                     tx.send(msg).await;
[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] 24 |                     let _ = tx.send(msg).await;
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type BehaviorAction<S: Send + 'static> = Result<Option<Behavior<S>>, Box<dyn Error>>;
[INFO] [stdout]    |                            ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 20 - pub type BehaviorAction<S: Send + 'static> = Result<Option<Behavior<S>>, Box<dyn Error>>;
[INFO] [stdout] 20 + pub type BehaviorAction<S> = Result<Option<Behavior<S>>, Box<dyn Error>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | type HandlerFn<S: Send + 'static> = Arc<dyn Fn(Message, &mut S, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout]    |                   ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 25 - type HandlerFn<S: Send + 'static> = Arc<dyn Fn(Message, &mut S, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout] 25 + type HandlerFn<S> = Arc<dyn Fn(Message, &mut S, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 | type UserDefinedAskHandlerFn<M: Any + Send, S: Send + 'static> = fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout]    |                                 ^^^   ^^^^     ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 28 - type UserDefinedAskHandlerFn<M: Any + Send, S: Send + 'static> = fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout] 28 + type UserDefinedAskHandlerFn<M, S> = fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 | type UserDefinedTellHandlerFn<M: Any + Send, S: Send + 'static> = fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout]    |                                  ^^^   ^^^^     ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 30 - type UserDefinedTellHandlerFn<M: Any + Send, S: Send + 'static> = fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout] 30 + type UserDefinedTellHandlerFn<M, S> = fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 | type PlainActorAction<S: Send + 'static> = fn(&mut S, &mut ActorContext) -> ();
[INFO] [stdout]    |                          ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 33 - type PlainActorAction<S: Send + 'static> = fn(&mut S, &mut ActorContext) -> ();
[INFO] [stdout] 33 + type PlainActorAction<S> = fn(&mut S, &mut ActorContext) -> ();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 | type UserDefinedTellHandlerClosure<M: Any + Send, S: Send + 'static> = Box<dyn Fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S>...
[INFO] [stdout]    |                                       ^^^   ^^^^     ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 36 - type UserDefinedTellHandlerClosure<M: Any + Send, S: Send + 'static> = Box<dyn Fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout] 36 + type UserDefinedTellHandlerClosure<M, S> = Box<dyn Fn(M, &mut S, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/behavior.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 | type UserDefinedAskHandlerClosure<M: Any + Send, S: Send + 'static> = Box<dyn Fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorActi...
[INFO] [stdout]    |                                      ^^^   ^^^^     ^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 38 - type UserDefinedAskHandlerClosure<M: Any + Send, S: Send + 'static> = Box<dyn Fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout] 38 + type UserDefinedAskHandlerClosure<M, S> = Box<dyn Fn(M, &mut S, Addr, &mut ActorContext) -> BehaviorAction<S> + Send + Sync>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> examples/memory_sharing_message.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::sleep;
[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: `std::time::Duration`
[INFO] [stdout]  --> examples/memory_sharing_message.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BunyanFormattingLayer` and `JsonStorageLayer`
[INFO] [stdout]  --> examples/memory_sharing_message.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tracing_bunyan_formatter::{BunyanFormattingLayer, JsonStorageLayer};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_log::LogTracer`
[INFO] [stdout]  --> examples/memory_sharing_message.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_log::LogTracer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EnvFilter` and `Registry`
[INFO] [stdout]  --> examples/memory_sharing_message.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing_subscriber::{EnvFilter, Registry};
[INFO] [stdout]   |                          ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::layer::SubscriberExt`
[INFO] [stdout]  --> examples/memory_sharing_message.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing_subscriber::layer::SubscriberExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aector::supervision::strategies::SimpleRestartStrategy`
[INFO] [stdout]   --> examples/memory_sharing_message.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use aector::supervision::strategies::SimpleRestartStrategy;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]  --> examples/memory_sharing_state.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::sleep;
[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: `std::time::Duration`
[INFO] [stdout]  --> examples/memory_sharing_state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BunyanFormattingLayer` and `JsonStorageLayer`
[INFO] [stdout]  --> examples/memory_sharing_state.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tracing_bunyan_formatter::{BunyanFormattingLayer, JsonStorageLayer};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_log::LogTracer`
[INFO] [stdout]  --> examples/memory_sharing_state.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_log::LogTracer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EnvFilter` and `Registry`
[INFO] [stdout]  --> examples/memory_sharing_state.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tracing_subscriber::{EnvFilter, Registry};
[INFO] [stdout]   |                          ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::layer::SubscriberExt`
[INFO] [stdout]  --> examples/memory_sharing_state.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tracing_subscriber::layer::SubscriberExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aector::supervision::strategies::SimpleRestartStrategy`
[INFO] [stdout]   --> examples/memory_sharing_state.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use aector::supervision::strategies::SimpleRestartStrategy;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/memory_sharing_message.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut behavior = BehaviorBuilder::new()
[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: unused variable: `state`
[INFO] [stdout]   --> examples/memory_sharing_message.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .on_tell::<SharedMsg>(|msg, state, ctx| -> BehaviorAction<()> {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/memory_sharing_message.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     actor_sys.spawn(actor,  "actor".to_owned());
[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] 33 |     let _ = actor_sys.spawn(actor,  "actor".to_owned());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/memory_sharing_state.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut behavior = BehaviorBuilder::new()
[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: unused variable: `msg`
[INFO] [stdout]   --> examples/memory_sharing_state.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |         .on_tell::<()>(|msg, state, ctx| -> BehaviorAction<SharedState> {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> examples/memory_sharing_state.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 |         .on_tell::<()>(|msg, state, ctx| -> BehaviorAction<SharedState> {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/ping_pong.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[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: `aector::supervision::strategies::SimpleRestartStrategy`
[INFO] [stdout]  --> examples/ping_pong.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use aector::supervision::strategies::SimpleRestartStrategy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> examples/testing.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[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: `std::collections::VecDeque`
[INFO] [stdout]  --> examples/testing.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/testing.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Actor` and `MailboxType`
[INFO] [stdout]  --> examples/testing.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use aector::actor::{Actor, MailboxType};
[INFO] [stdout]   |                     ^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aector::actor_system::ActorSystem`
[INFO] [stdout]  --> examples/testing.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use aector::actor_system::ActorSystem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ActorManageMessage`, `BehaviorAction`, `BehaviorBuilder`, `Behavior`, and `StateCheckMessage`
[INFO] [stdout]  --> examples/testing.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use aector::behavior::{ActorManageMessage, Behavior, BehaviorBuilder, BehaviorAction, StateCheckMessage};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Addr` and `Message`
[INFO] [stdout]  --> examples/testing.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | use aector::{Addr, Message};
[INFO] [stdout]   |              ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ActorTestBuilder`, `MessageType`, `Response`, and `TestActor`
[INFO] [stdout]  --> examples/testing.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use aector::testing::{MessageType, Response, TestActor, ActorTestBuilder};
[INFO] [stdout]   |                       ^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DOWN` and `UP`
[INFO] [stdout]  --> examples/testing.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::Direction::{DOWN, UP};
[INFO] [stdout]   |                        ^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/memory_sharing_state.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     actor_sys.spawn(actor,  "actor".to_owned());
[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] 31 |     let _ = actor_sys.spawn(actor,  "actor".to_owned());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> examples/testing.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Direction {
[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 `SimpleState` is never constructed
[INFO] [stdout]   --> examples/testing.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct SimpleState {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SimpleMessage` is never used
[INFO] [stdout]   --> examples/testing.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum SimpleMessage {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/large_example.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut behavior = BehaviorBuilder::new()
[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]   --> examples/ping_pong.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut behavior1 = BehaviorBuilder::new()
[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]   --> examples/ping_pong.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut actor1 = Actor::new(PingPong {}, behavior1, MailboxType::Unbounded);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/ping_pong.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut actor2 = Actor::new(PingPong {}, behavior2, MailboxType::Unbounded);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/ping_pong.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut actor_sys = ActorSystem::new();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/large_example.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut state = MyState {
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/large_example.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut my_actor = Actor::new(state, behavior, MailboxType::Unbounded);
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/large_example.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut state2 = MyState {
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> examples/ping_pong.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |         .on_ask::<Ball>(|msg, state, sender, ctx| -> BehaviorAction<PingPong> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/large_example.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mut my_actor2 = Actor::new(state2, behavior2, MailboxType::Unbounded);
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/large_example.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut actor_sys = ActorSystem::new();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> examples/large_example.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |         .on_kill(|state, ctx| {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> examples/large_example.rs:118:26
[INFO] [stdout]     |
[INFO] [stdout] 118 |         .on_kill(|state, ctx| {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> examples/large_example.rs:109:42
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 .on_tell::<String>(|msg, state, ctx| -> BehaviorAction<Option<i32>> {
[INFO] [stdout]     |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> examples/large_example.rs:109:49
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 .on_tell::<String>(|msg, state, ctx| -> BehaviorAction<Option<i32>> {
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> examples/large_example.rs:98:26
[INFO] [stdout]    |
[INFO] [stdout] 98 |         .on_ask::<Ball>(|msg, state, sender, ctx| -> BehaviorAction<MyState> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> examples/large_example.rs:98:31
[INFO] [stdout]    |
[INFO] [stdout] 98 |         .on_ask::<Ball>(|msg, state, sender, ctx| -> BehaviorAction<MyState> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> examples/large_example.rs:81:31
[INFO] [stdout]    |
[INFO] [stdout] 81 |         .on_ask::<ChangeMsg>(|msg, state, sender, ctx| -> BehaviorAction<MyState> {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> examples/large_example.rs:81:36
[INFO] [stdout]    |
[INFO] [stdout] 81 |         .on_ask::<ChangeMsg>(|msg, state, sender, ctx| -> BehaviorAction<MyState> {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> examples/large_example.rs:81:43
[INFO] [stdout]    |
[INFO] [stdout] 81 |         .on_ask::<ChangeMsg>(|msg, state, sender, ctx| -> BehaviorAction<MyState> {
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> examples/large_example.rs:81:51
[INFO] [stdout]    |
[INFO] [stdout] 81 |         .on_ask::<ChangeMsg>(|msg, state, sender, ctx| -> BehaviorAction<MyState> {
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> examples/large_example.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 77 |         .on_tell::<Ball>(|msg, state, ctx| {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> examples/large_example.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 |         .on_tell::<Ball>(|msg, state, ctx| {
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> examples/large_example.rs:77:39
[INFO] [stdout]    |
[INFO] [stdout] 77 |         .on_tell::<Ball>(|msg, state, ctx| {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> examples/large_example.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |         .on_start(|state, ctx| {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> examples/large_example.rs:48:27
[INFO] [stdout]    |
[INFO] [stdout] 48 |         .on_start(|state, ctx| {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Simple` is never constructed
[INFO] [stdout]   --> examples/large_example.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     struct Simple {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Beep` is never used
[INFO] [stdout]   --> examples/large_example.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     enum Beep {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pong` is never constructed
[INFO] [stdout]   --> examples/large_example.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     enum Ball {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 41 |         Ping,
[INFO] [stdout] 42 |         Pong
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ball` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/ping_pong.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     actor_sys.spawn(actor1,  "a1".to_owned());
[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] 58 |     let _ = actor_sys.spawn(actor1,  "a1".to_owned());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/ping_pong.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     actor_sys.spawn(actor2,  "a2".to_owned());
[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] 59 |     let _ = actor_sys.spawn(actor2,  "a2".to_owned());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/large_example.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 | /             ctx.spawn(Actor::new(Some(3), BehaviorBuilder::new()
[INFO] [stdout] 109 | |                 .on_tell::<String>(|msg, state, ctx| -> BehaviorAction<Option<i32>> {
[INFO] [stdout] 110 | |                     println!("TEST: received {}", msg);
[INFO] [stdout] 111 | |                     Behavior::keep()
[INFO] [stdout] 112 | |                 })
[INFO] [stdout] 113 | |                 .build(), MailboxType::Unbounded), "test".to_owned());
[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] 108 |             let _ = ctx.spawn(Actor::new(Some(3), BehaviorBuilder::new()
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/large_example.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     actor_sys.spawn_with_supervision(my_actor, SimpleRestartStrategy::new(), "a0".to_owned());
[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] 132 |     let _ = actor_sys.spawn_with_supervision(my_actor, SimpleRestartStrategy::new(), "a0".to_owned());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> examples/large_example.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     actor_sys.spawn_with_supervision(my_actor2, SimpleRestartStrategy::new(), "a1".to_owned());
[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] 133 |     let _ = actor_sys.spawn_with_supervision(my_actor2, SimpleRestartStrategy::new(), "a1".to_owned());
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.00s
[INFO] running `Command { std: "docker" "inspect" "e0184d31c24b98ce27a1b0797c35c9a5739364a811b07868d80f2ffcc87a382c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0184d31c24b98ce27a1b0797c35c9a5739364a811b07868d80f2ffcc87a382c", kill_on_drop: false }`
[INFO] [stdout] e0184d31c24b98ce27a1b0797c35c9a5739364a811b07868d80f2ffcc87a382c
