[INFO] fetching crate acteur 0.12.2...
[INFO] testing acteur-0.12.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate acteur 0.12.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate acteur 0.12.2
[INFO] finished tweaking crates.io crate acteur 0.12.2
[INFO] tweaked toml for crates.io crate acteur 0.12.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate acteur 0.12.2 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] crate crates.io crate acteur 0.12.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 340759ae558e2423255638b63c8eb796b343719b8ddf8e47890f2aa5d7383771
[INFO] running `Command { std: "docker" "start" "-a" "340759ae558e2423255638b63c8eb796b343719b8ddf8e47890f2aa5d7383771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "340759ae558e2423255638b63c8eb796b343719b8ddf8e47890f2aa5d7383771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340759ae558e2423255638b63c8eb796b343719b8ddf8e47890f2aa5d7383771", kill_on_drop: false }`
[INFO] [stdout] 340759ae558e2423255638b63c8eb796b343719b8ddf8e47890f2aa5d7383771
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8987223e28b287b60722f4e65b117cc918eb653837711f0976f8ad6829e3f0aa
[INFO] running `Command { std: "docker" "start" "-a" "8987223e28b287b60722f4e65b117cc918eb653837711f0976f8ad6829e3f0aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling const-random-macro v0.1.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling async-io v1.3.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling const-random v0.1.12
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling dashmap v3.11.10
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-std v1.7.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling acteur v0.12.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/services/broker.rs:56:43
[INFO] [stdout]    |
[INFO] [stdout] 56 |     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector);
[INFO] [stdout]    |                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector);
[INFO] [stdout] 56 +     async fn send(&mut self, message: Box<dyn Any + Send >, system_director: &ServicesDirector);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/services/broker.rs:82:43
[INFO] [stdout]    |
[INFO] [stdout] 82 |     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector) {
[INFO] [stdout]    |                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector) {
[INFO] [stdout] 82 +     async fn send(&mut self, message: Box<dyn Any + Send >, system_director: &ServicesDirector) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/services/manager.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout]    |                                                  ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout] 22 +     async fn get_sender_as_any(&mut self) -> Box<dyn Any + Send >;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/services/manager.rs:260:50
[INFO] [stdout]     |
[INFO] [stdout] 260 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send + 'static)> {
[INFO] [stdout]     |                                                  ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 260 -     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send + 'static)> {
[INFO] [stdout] 260 +     async fn get_sender_as_any(&mut self) -> Box<dyn Any + Send + 'static > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on macro defs
[INFO] [stdout]  --> src/utils.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `remove_actor` are never used
[INFO] [stdout]   --> src/actors/manager.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stdout]    |                  ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 23 |     fn remove_actor(&self, actor_id: Box<dyn Any + Send>);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_actor` and `is_empty` are never used
[INFO] [stdout]    --> src/actors/manager.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl<A: Actor> ActorsManager<A> {
[INFO] [stdout]     | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub(crate) fn remove_actor(&self, actor_id: A::Id) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_type_id`, `get_statistics`, and `clone` are never used
[INFO] [stdout]   --> src/services/manager.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stdout]    |                  ------- methods in this trait
[INFO] [stdout] 20 |     fn end(&self);
[INFO] [stdout] 21 |     fn get_type_id(&self) -> TypeId;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout] 23 |     fn get_statistics(&self) -> ServiceReport;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     fn clone(&self) -> Box<dyn Manager>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServiceReport` is never constructed
[INFO] [stdout]   --> src/services/manager.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct ServiceReport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/actors/director.rs:168:46
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<TypeId, Box<dyn Manager>> {
[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] 168 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<'_, TypeId, Box<dyn Manager>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/actors/manager.rs:139:44
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub(crate) fn get_blocking_actor_entry(&self, id: A::Id) -> Entry<A::Id, ActorProxy<A>> {
[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] 139 |     pub(crate) fn get_blocking_actor_entry(&self, id: A::Id) -> Entry<'_, A::Id, ActorProxy<A>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/services/director.rs:151:46
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<TypeId, Box<dyn Manager>> {
[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] 151 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<'_, TypeId, Box<dyn Manager>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.42s
[INFO] running `Command { std: "docker" "inspect" "8987223e28b287b60722f4e65b117cc918eb653837711f0976f8ad6829e3f0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8987223e28b287b60722f4e65b117cc918eb653837711f0976f8ad6829e3f0aa", kill_on_drop: false }`
[INFO] [stdout] 8987223e28b287b60722f4e65b117cc918eb653837711f0976f8ad6829e3f0aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] df9f0fc03a1b71702e8747657f4d291d9876039b57afa304e16ccef1856c36d8
[INFO] running `Command { std: "docker" "start" "-a" "df9f0fc03a1b71702e8747657f4d291d9876039b57afa304e16ccef1856c36d8", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/services/broker.rs:56:43
[INFO] [stdout]    |
[INFO] [stdout] 56 |     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector);
[INFO] [stdout]    |                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector);
[INFO] [stdout] 56 +     async fn send(&mut self, message: Box<dyn Any + Send >, system_director: &ServicesDirector);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/services/broker.rs:82:43
[INFO] [stdout]    |
[INFO] [stdout] 82 |     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector) {
[INFO] [stdout]    |                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector) {
[INFO] [stdout] 82 +     async fn send(&mut self, message: Box<dyn Any + Send >, system_director: &ServicesDirector) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/services/manager.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout]    |                                                  ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout] 22 +     async fn get_sender_as_any(&mut self) -> Box<dyn Any + Send >;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/services/manager.rs:260:50
[INFO] [stdout]     |
[INFO] [stdout] 260 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send + 'static)> {
[INFO] [stdout]     |                                                  ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 260 -     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send + 'static)> {
[INFO] [stdout] 260 +     async fn get_sender_as_any(&mut self) -> Box<dyn Any + Send + 'static > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on macro defs
[INFO] [stdout]  --> src/utils.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `remove_actor` are never used
[INFO] [stdout]   --> src/actors/manager.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stdout]    |                  ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 23 |     fn remove_actor(&self, actor_id: Box<dyn Any + Send>);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_actor` and `is_empty` are never used
[INFO] [stdout]    --> src/actors/manager.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl<A: Actor> ActorsManager<A> {
[INFO] [stdout]     | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub(crate) fn remove_actor(&self, actor_id: A::Id) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling acteur v0.12.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get_type_id`, `get_statistics`, and `clone` are never used
[INFO] [stdout]   --> src/services/manager.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stdout]    |                  ------- methods in this trait
[INFO] [stdout] 20 |     fn end(&self);
[INFO] [stdout] 21 |     fn get_type_id(&self) -> TypeId;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout] 23 |     fn get_statistics(&self) -> ServiceReport;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     fn clone(&self) -> Box<dyn Manager>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServiceReport` is never constructed
[INFO] [stdout]   --> src/services/manager.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct ServiceReport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/actors/director.rs:168:46
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<TypeId, Box<dyn Manager>> {
[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] 168 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<'_, TypeId, Box<dyn Manager>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/actors/manager.rs:139:44
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub(crate) fn get_blocking_actor_entry(&self, id: A::Id) -> Entry<A::Id, ActorProxy<A>> {
[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] 139 |     pub(crate) fn get_blocking_actor_entry(&self, id: A::Id) -> Entry<'_, A::Id, ActorProxy<A>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/services/director.rs:151:46
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<TypeId, Box<dyn Manager>> {
[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] 151 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<'_, TypeId, Box<dyn Manager>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tax_rate` is never read
[INFO] [stdout]  --> examples/publish_subscribe.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct EmployeeTaxesCalculator {
[INFO] [stdout]   |        ----------------------- field in this struct
[INFO] [stdout] 5 |     tax_rate: f32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EmployeeTaxesCalculator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/publish_subscribe.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct EmployeeSalaryChange(f32);
[INFO] [stdout]    |        -------------------- ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `EmployeeSalaryChange` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `values` is never read
[INFO] [stdout]   --> examples/count_with_generic_type.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct TestActor<T> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 38 |     id: T,
[INFO] [stdout] 39 |     values: HashMap<u64, String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestActor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/services/broker.rs:56:43
[INFO] [stdout]    |
[INFO] [stdout] 56 |     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector);
[INFO] [stdout]    |                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector);
[INFO] [stdout] 56 +     async fn send(&mut self, message: Box<dyn Any + Send >, system_director: &ServicesDirector);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/services/broker.rs:82:43
[INFO] [stdout]    |
[INFO] [stdout] 82 |     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector) {
[INFO] [stdout]    |                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector) {
[INFO] [stdout] 82 +     async fn send(&mut self, message: Box<dyn Any + Send >, system_director: &ServicesDirector) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/services/manager.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout]    |                                                  ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout] 22 +     async fn get_sender_as_any(&mut self) -> Box<dyn Any + Send >;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/services/manager.rs:260:50
[INFO] [stdout]     |
[INFO] [stdout] 260 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send + 'static)> {
[INFO] [stdout]     |                                                  ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 260 -     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send + 'static)> {
[INFO] [stdout] 260 +     async fn get_sender_as_any(&mut self) -> Box<dyn Any + Send + 'static > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on macro defs
[INFO] [stdout]  --> src/utils.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `remove_actor` are never used
[INFO] [stdout]   --> src/actors/manager.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stdout]    |                  ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 23 |     fn remove_actor(&self, actor_id: Box<dyn Any + Send>);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_actor` and `is_empty` are never used
[INFO] [stdout]    --> src/actors/manager.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl<A: Actor> ActorsManager<A> {
[INFO] [stdout]     | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub(crate) fn remove_actor(&self, actor_id: A::Id) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_type_id`, `get_statistics`, and `clone` are never used
[INFO] [stdout]   --> src/services/manager.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stdout]    |                  ------- methods in this trait
[INFO] [stdout] 20 |     fn end(&self);
[INFO] [stdout] 21 |     fn get_type_id(&self) -> TypeId;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout] 23 |     fn get_statistics(&self) -> ServiceReport;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     fn clone(&self) -> Box<dyn Manager>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServiceReport` is never constructed
[INFO] [stdout]   --> src/services/manager.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct ServiceReport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/actors/director.rs:168:46
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<TypeId, Box<dyn Manager>> {
[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] 168 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<'_, TypeId, Box<dyn Manager>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/actors/manager.rs:139:44
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub(crate) fn get_blocking_actor_entry(&self, id: A::Id) -> Entry<A::Id, ActorProxy<A>> {
[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] 139 |     pub(crate) fn get_blocking_actor_entry(&self, id: A::Id) -> Entry<'_, A::Id, ActorProxy<A>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/services/director.rs:151:46
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<TypeId, Box<dyn Manager>> {
[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] 151 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<'_, TypeId, Box<dyn Manager>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "df9f0fc03a1b71702e8747657f4d291d9876039b57afa304e16ccef1856c36d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9f0fc03a1b71702e8747657f4d291d9876039b57afa304e16ccef1856c36d8", kill_on_drop: false }`
[INFO] [stdout] df9f0fc03a1b71702e8747657f4d291d9876039b57afa304e16ccef1856c36d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 15a469c2700256a45e469a2e177a0653161bc6494e7fdba6976b310202f5ed8e
[INFO] running `Command { std: "docker" "start" "-a" "15a469c2700256a45e469a2e177a0653161bc6494e7fdba6976b310202f5ed8e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/services/broker.rs:56:43
[INFO] [stderr]    |
[INFO] [stderr] 56 |     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector);
[INFO] [stderr]    |                                           ^              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 56 -     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector);
[INFO] [stderr] 56 +     async fn send(&mut self, message: Box<dyn Any + Send >, system_director: &ServicesDirector);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/services/broker.rs:82:43
[INFO] [stderr]    |
[INFO] [stderr] 82 |     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector) {
[INFO] [stderr]    |                                           ^              ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 82 -     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector) {
[INFO] [stderr] 82 +     async fn send(&mut self, message: Box<dyn Any + Send >, system_director: &ServicesDirector) {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/services/manager.rs:22:50
[INFO] [stderr]    |
[INFO] [stderr] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stderr]    |                                                  ^              ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 22 -     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stderr] 22 +     async fn get_sender_as_any(&mut self) -> Box<dyn Any + Send >;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/services/manager.rs:260:50
[INFO] [stderr]     |
[INFO] [stderr] 260 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send + 'static)> {
[INFO] [stderr]     |                                                  ^                        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 260 -     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send + 'static)> {
[INFO] [stderr] 260 +     async fn get_sender_as_any(&mut self) -> Box<dyn Any + Send + 'static > {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `#[macro_use]` attribute cannot be used on macro defs
[INFO] [stderr]  --> src/utils.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_empty` and `remove_actor` are never used
[INFO] [stderr]   --> src/actors/manager.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stderr]    |                  ------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 22 |     fn is_empty(&self) -> bool;
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 23 |     fn remove_actor(&self, actor_id: Box<dyn Any + Send>);
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `remove_actor` and `is_empty` are never used
[INFO] [stderr]    --> src/actors/manager.rs:133:19
[INFO] [stderr]     |
[INFO] [stderr]  43 | impl<A: Actor> ActorsManager<A> {
[INFO] [stderr]     | ------------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 133 |     pub(crate) fn remove_actor(&self, actor_id: A::Id) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 143 |     fn is_empty(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_type_id`, `get_statistics`, and `clone` are never used
[INFO] [stderr]   --> src/services/manager.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stderr]    |                  ------- methods in this trait
[INFO] [stderr] 20 |     fn end(&self);
[INFO] [stderr] 21 |     fn get_type_id(&self) -> TypeId;
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stderr] 23 |     fn get_statistics(&self) -> ServiceReport;
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 24 |     fn clone(&self) -> Box<dyn Manager>;
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ServiceReport` is never constructed
[INFO] [stderr]   --> src/services/manager.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct ServiceReport {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/actors/director.rs:168:46
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<TypeId, Box<dyn Manager>> {
[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] 168 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<'_, TypeId, Box<dyn Manager>> {
[INFO] [stderr]     |                                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/actors/manager.rs:139:44
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub(crate) fn get_blocking_actor_entry(&self, id: A::Id) -> Entry<A::Id, ActorProxy<A>> {
[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] 139 |     pub(crate) fn get_blocking_actor_entry(&self, id: A::Id) -> Entry<'_, A::Id, ActorProxy<A>> {
[INFO] [stderr]     |                                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/services/director.rs:151:46
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<TypeId, Box<dyn Manager>> {
[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] 151 |     pub(crate) fn get_blocking_manager_entry(&self, id: TypeId) -> Entry<'_, TypeId, Box<dyn Manager>> {
[INFO] [stderr]     |                                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `acteur` (lib) generated 12 warnings (run `cargo fix --lib -p acteur` to apply 8 suggestions)
[INFO] [stderr] warning: `acteur` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr] warning: field `values` is never read
[INFO] [stderr]   --> examples/count_with_generic_type.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct TestActor<T> {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 38 |     id: T,
[INFO] [stderr] 39 |     values: HashMap<u64, String>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TestActor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `tax_rate` is never read
[INFO] [stderr]  --> examples/publish_subscribe.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct EmployeeTaxesCalculator {
[INFO] [stderr]   |        ----------------------- field in this struct
[INFO] [stderr] 5 |     tax_rate: f32,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `EmployeeTaxesCalculator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/publish_subscribe.rs:25:29
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct EmployeeSalaryChange(f32);
[INFO] [stderr]    |        -------------------- ^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `EmployeeSalaryChange` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `acteur` (example "count_with_generic_type") generated 1 warning
[INFO] [stderr] warning: `acteur` (example "publish_subscribe") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/acteur-6788c8d20e1040f5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests acteur
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/services/broker.rs:56:43
[INFO] [stderr]    |
[INFO] [stderr] 56 |     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector);
[INFO] [stderr]    |                                           ^              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 56 -     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector);
[INFO] [stderr] 56 +     async fn send(&mut self, message: Box<dyn Any + Send >, system_director: &ServicesDirector);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/services/broker.rs:82:43
[INFO] [stderr]    |
[INFO] [stderr] 82 |     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector) {
[INFO] [stderr]    |                                           ^              ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 82 -     async fn send(&mut self, message: Box<(dyn Any + Send)>, system_director: &ServicesDirector) {
[INFO] [stderr] 82 +     async fn send(&mut self, message: Box<dyn Any + Send >, system_director: &ServicesDirector) {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/services/manager.rs:22:50
[INFO] [stderr]    |
[INFO] [stderr] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stderr]    |                                                  ^              ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 22 -     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stderr] 22 +     async fn get_sender_as_any(&mut self) -> Box<dyn Any + Send >;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/services/manager.rs:260:50
[INFO] [stderr]     |
[INFO] [stderr] 260 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send + 'static)> {
[INFO] [stderr]     |                                                  ^                        ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 260 -     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send + 'static)> {
[INFO] [stderr] 260 +     async fn get_sender_as_any(&mut self) -> Box<dyn Any + Send + 'static > {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/services/handle.rs - services::handle::Listen (line 15) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 177) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 248) - compile ... ok
[INFO] [stdout] test src/actors/handle.rs - actors::handle::Respond (line 97) - compile ... ok
[INFO] [stdout] test src/actors/actor.rs - actors::actor::Actor (line 14) - compile ... ok
[INFO] [stdout] test src/actors/handle.rs - actors::handle::Receive (line 15) - compile ... ok
[INFO] [stdout] test src/services/handle.rs - services::handle::Serve (line 74) - compile ... ok
[INFO] [stdout] test src/services/service.rs - services::service::Service (line 9) - compile ... ok
[INFO] [stdout] test src/services/system_facade.rs - services::system_facade::ServiceAssistant (line 13) - compile ... ok
[INFO] [stdout] test src/actors/assistant.rs - actors::assistant::ActorAssistant (line 14) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15a469c2700256a45e469a2e177a0653161bc6494e7fdba6976b310202f5ed8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15a469c2700256a45e469a2e177a0653161bc6494e7fdba6976b310202f5ed8e", kill_on_drop: false }`
[INFO] [stdout] 15a469c2700256a45e469a2e177a0653161bc6494e7fdba6976b310202f5ed8e
