[INFO] fetching crate parallel-event-emitter 0.2.4...
[INFO] testing parallel-event-emitter-0.2.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate parallel-event-emitter 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate parallel-event-emitter 0.2.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parallel-event-emitter 0.2.4
[INFO] finished tweaking crates.io crate parallel-event-emitter 0.2.4
[INFO] tweaked toml for crates.io crate parallel-event-emitter 0.2.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded trace-error v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] feb2071fc65b2f9d0cc47fb3aca7a3f853933135fc05dc688b4b6ec564b459f0
[INFO] running `Command { std: "docker" "start" "-a" "feb2071fc65b2f9d0cc47fb3aca7a3f853933135fc05dc688b4b6ec564b459f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feb2071fc65b2f9d0cc47fb3aca7a3f853933135fc05dc688b4b6ec564b459f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb2071fc65b2f9d0cc47fb3aca7a3f853933135fc05dc688b4b6ec564b459f0", kill_on_drop: false }`
[INFO] [stdout] feb2071fc65b2f9d0cc47fb3aca7a3f853933135fc05dc688b4b6ec564b459f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c78f7466480c1665b0d390b724685dab56d72e5eba827ac64cf29640e6fbf64
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c78f7466480c1665b0d390b724685dab56d72e5eba827ac64cf29640e6fbf64", kill_on_drop: false }`
[INFO] [stderr]    Compiling trace-error v0.1.5
[INFO] [stderr]    Compiling parallel-event-emitter v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 | use futures::BoxFuture;
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:620:53
[INFO] [stdout]     |
[INFO] [stdout] 620 |     pub fn emit<E: Into<K>>(&mut self, event: E) -> BoxFuture<usize, Trace<EventError>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:648:72
[INFO] [stdout]     |
[INFO] [stdout] 648 |     pub fn emit_value<T, E: Into<K>>(&mut self, event: E, value: T) -> BoxFuture<usize, Trace<EventError>> where T: Any + Clone + Send {
[INFO] [stdout]     |                                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:676:77
[INFO] [stdout]     |
[INFO] [stdout] 676 |     pub fn emit_value_sync<T, E: Into<K>>(&mut self, event: E, value: T) -> BoxFuture<usize, Trace<EventError>> where T: Any + Send + Sync {
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:161:41
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use futures::{self, future, Future, BoxFuture};
[INFO] [stdout]     |                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:284:83
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn emit_spawn<K: EventKey>(inner: Arc<Inner<K>>, event: K) -> EventResult<BoxFuture<usize, Trace<EventError>>> {
[INFO] [stdout]     |                                                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:311:102
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn emit_value_spawn<T, K: EventKey>(inner: Arc<Inner<K>>, event: K, value: T) -> EventResult<BoxFuture<usize, Trace<EventError>>>...
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:341:107
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn emit_value_sync_spawn<T, K: EventKey>(inner: Arc<Inner<K>>, event: K, value: T) -> EventResult<BoxFuture<usize, Trace<EventErr...
[INFO] [stdout]     |                                                                                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Owned(Box<Any + Send>),
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 -         Owned(Box<Any + Send>),
[INFO] [stdout] 187 +         Owned(Box<dyn Any + Send>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:189:26
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Borrowed(Arc<Box<Any + Send>>),
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 189 -         Borrowed(Arc<Box<Any + Send>>),
[INFO] [stdout] 189 +         Borrowed(Arc<Box<dyn Any + Send>>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:196:33
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub type SyncCallback = Box<FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 -     pub type SyncCallback = Box<FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stdout] 196 +     pub type SyncCallback = Box<dyn FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:352:36
[INFO] [stdout]     |
[INFO] [stdout] 352 |                     inner: Arc<Box<Any + Send>>
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 -                     inner: Arc<Box<Any + Send>>
[INFO] [stdout] 352 +                     inner: Arc<Box<dyn Any + Send>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:303:77
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:307:33
[INFO] [stdout]     |
[INFO] [stdout] 307 |         Ok(futures::finished(0).boxed())
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:333:77
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:337:33
[INFO] [stdout]     |
[INFO] [stdout] 337 |         Ok(futures::finished(0).boxed())
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:373:77
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:377:33
[INFO] [stdout]     |
[INFO] [stdout] 377 |         Ok(futures::finished(0).boxed())
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:624:88
[INFO] [stdout]     |
[INFO] [stdout] 624 |         self.inner.pool.spawn_fn(move || internal::emit_spawn(inner, event)).flatten().boxed()
[INFO] [stdout]     |                                                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:652:101
[INFO] [stdout]     |
[INFO] [stdout] 652 |         self.inner.pool.spawn_fn(move || internal::emit_value_spawn(inner, event, value)).flatten().boxed()
[INFO] [stdout]     |                                                                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:680:106
[INFO] [stdout]     |
[INFO] [stdout] 680 |         self.inner.pool.spawn_fn(move || internal::emit_value_sync_spawn(inner, event, value)).flatten().boxed()
[INFO] [stdout]     |                                                                                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "1c78f7466480c1665b0d390b724685dab56d72e5eba827ac64cf29640e6fbf64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c78f7466480c1665b0d390b724685dab56d72e5eba827ac64cf29640e6fbf64", kill_on_drop: false }`
[INFO] [stdout] 1c78f7466480c1665b0d390b724685dab56d72e5eba827ac64cf29640e6fbf64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9018e0da0e6e4f2954dddfc393391f12707e0f80ede48d021d0cdbe56385c595
[INFO] running `Command { std: "docker" "start" "-a" "9018e0da0e6e4f2954dddfc393391f12707e0f80ede48d021d0cdbe56385c595", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 | use futures::BoxFuture;
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:620:53
[INFO] [stdout]     |
[INFO] [stdout] 620 |     pub fn emit<E: Into<K>>(&mut self, event: E) -> BoxFuture<usize, Trace<EventError>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:648:72
[INFO] [stdout]     |
[INFO] [stdout] 648 |     pub fn emit_value<T, E: Into<K>>(&mut self, event: E, value: T) -> BoxFuture<usize, Trace<EventError>> where T: Any + Clone + Send {
[INFO] [stdout]     |                                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:676:77
[INFO] [stdout]     |
[INFO] [stdout] 676 |     pub fn emit_value_sync<T, E: Into<K>>(&mut self, event: E, value: T) -> BoxFuture<usize, Trace<EventError>> where T: Any + Send + Sync {
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:161:41
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use futures::{self, future, Future, BoxFuture};
[INFO] [stdout]     |                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:284:83
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn emit_spawn<K: EventKey>(inner: Arc<Inner<K>>, event: K) -> EventResult<BoxFuture<usize, Trace<EventError>>> {
[INFO] [stdout]     |                                                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:311:102
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn emit_value_spawn<T, K: EventKey>(inner: Arc<Inner<K>>, event: K, value: T) -> EventResult<BoxFuture<usize, Trace<EventError>>>...
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:341:107
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn emit_value_sync_spawn<T, K: EventKey>(inner: Arc<Inner<K>>, event: K, value: T) -> EventResult<BoxFuture<usize, Trace<EventErr...
[INFO] [stdout]     |                                                                                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Owned(Box<Any + Send>),
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 -         Owned(Box<Any + Send>),
[INFO] [stdout] 187 +         Owned(Box<dyn Any + Send>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:189:26
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Borrowed(Arc<Box<Any + Send>>),
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 189 -         Borrowed(Arc<Box<Any + Send>>),
[INFO] [stdout] 189 +         Borrowed(Arc<Box<dyn Any + Send>>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:196:33
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub type SyncCallback = Box<FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 -     pub type SyncCallback = Box<FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stdout] 196 +     pub type SyncCallback = Box<dyn FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:352:36
[INFO] [stdout]     |
[INFO] [stdout] 352 |                     inner: Arc<Box<Any + Send>>
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 -                     inner: Arc<Box<Any + Send>>
[INFO] [stdout] 352 +                     inner: Arc<Box<dyn Any + Send>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:303:77
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:307:33
[INFO] [stdout]     |
[INFO] [stdout] 307 |         Ok(futures::finished(0).boxed())
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:333:77
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:337:33
[INFO] [stdout]     |
[INFO] [stdout] 337 |         Ok(futures::finished(0).boxed())
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:373:77
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:377:33
[INFO] [stdout]     |
[INFO] [stdout] 377 |         Ok(futures::finished(0).boxed())
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:624:88
[INFO] [stdout]     |
[INFO] [stdout] 624 |         self.inner.pool.spawn_fn(move || internal::emit_spawn(inner, event)).flatten().boxed()
[INFO] [stdout]     |                                                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:652:101
[INFO] [stdout]     |
[INFO] [stdout] 652 |         self.inner.pool.spawn_fn(move || internal::emit_value_spawn(inner, event, value)).flatten().boxed()
[INFO] [stdout]     |                                                                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:680:106
[INFO] [stdout]     |
[INFO] [stdout] 680 |         self.inner.pool.spawn_fn(move || internal::emit_value_sync_spawn(inner, event, value)).flatten().boxed()
[INFO] [stdout]     |                                                                                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parallel-event-emitter v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/simple.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/custom_events.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 | use futures::BoxFuture;
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:620:53
[INFO] [stdout]     |
[INFO] [stdout] 620 |     pub fn emit<E: Into<K>>(&mut self, event: E) -> BoxFuture<usize, Trace<EventError>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:648:72
[INFO] [stdout]     |
[INFO] [stdout] 648 |     pub fn emit_value<T, E: Into<K>>(&mut self, event: E, value: T) -> BoxFuture<usize, Trace<EventError>> where T: Any + Clone + Send {
[INFO] [stdout]     |                                                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:676:77
[INFO] [stdout]     |
[INFO] [stdout] 676 |     pub fn emit_value_sync<T, E: Into<K>>(&mut self, event: E, value: T) -> BoxFuture<usize, Trace<EventError>> where T: Any + Send + Sync {
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:161:41
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use futures::{self, future, Future, BoxFuture};
[INFO] [stdout]     |                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:284:83
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn emit_spawn<K: EventKey>(inner: Arc<Inner<K>>, event: K) -> EventResult<BoxFuture<usize, Trace<EventError>>> {
[INFO] [stdout]     |                                                                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:311:102
[INFO] [stdout]     |
[INFO] [stdout] 311 |     pub fn emit_value_spawn<T, K: EventKey>(inner: Arc<Inner<K>>, event: K, value: T) -> EventResult<BoxFuture<usize, Trace<EventError>>>...
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:341:107
[INFO] [stdout]     |
[INFO] [stdout] 341 |     pub fn emit_value_sync_spawn<T, K: EventKey>(inner: Arc<Inner<K>>, event: K, value: T) -> EventResult<BoxFuture<usize, Trace<EventErr...
[INFO] [stdout]     |                                                                                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Owned(Box<Any + Send>),
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 187 -         Owned(Box<Any + Send>),
[INFO] [stdout] 187 +         Owned(Box<dyn Any + Send>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:189:26
[INFO] [stdout]     |
[INFO] [stdout] 189 |         Borrowed(Arc<Box<Any + Send>>),
[INFO] [stdout]     |                          ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 189 -         Borrowed(Arc<Box<Any + Send>>),
[INFO] [stdout] 189 +         Borrowed(Arc<Box<dyn Any + Send>>),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:196:33
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub type SyncCallback = Box<FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 196 -     pub type SyncCallback = Box<FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stdout] 196 +     pub type SyncCallback = Box<dyn FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:352:36
[INFO] [stdout]     |
[INFO] [stdout] 352 |                     inner: Arc<Box<Any + Send>>
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 -                     inner: Arc<Box<Any + Send>>
[INFO] [stdout] 352 +                     inner: Arc<Box<dyn Any + Send>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:303:77
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:307:33
[INFO] [stdout]     |
[INFO] [stdout] 307 |         Ok(futures::finished(0).boxed())
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:333:77
[INFO] [stdout]     |
[INFO] [stdout] 333 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:337:33
[INFO] [stdout]     |
[INFO] [stdout] 337 |         Ok(futures::finished(0).boxed())
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:373:77
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stdout]     |                                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:377:33
[INFO] [stdout]     |
[INFO] [stdout] 377 |         Ok(futures::finished(0).boxed())
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:624:88
[INFO] [stdout]     |
[INFO] [stdout] 624 |         self.inner.pool.spawn_fn(move || internal::emit_spawn(inner, event)).flatten().boxed()
[INFO] [stdout]     |                                                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:652:101
[INFO] [stdout]     |
[INFO] [stdout] 652 |         self.inner.pool.spawn_fn(move || internal::emit_value_spawn(inner, event, value)).flatten().boxed()
[INFO] [stdout]     |                                                                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stdout]    --> src/lib.rs:680:106
[INFO] [stdout]     |
[INFO] [stdout] 680 |         self.inner.pool.spawn_fn(move || internal::emit_value_sync_spawn(inner, event, value)).flatten().boxed()
[INFO] [stdout]     |                                                                                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "9018e0da0e6e4f2954dddfc393391f12707e0f80ede48d021d0cdbe56385c595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9018e0da0e6e4f2954dddfc393391f12707e0f80ede48d021d0cdbe56385c595", kill_on_drop: false }`
[INFO] [stdout] 9018e0da0e6e4f2954dddfc393391f12707e0f80ede48d021d0cdbe56385c595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 037e81a419666d4f291435cc155a249ca0e655427e30dc30bca5afe8064eb0b0
[INFO] running `Command { std: "docker" "start" "-a" "037e81a419666d4f291435cc155a249ca0e655427e30dc30bca5afe8064eb0b0", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:127:14
[INFO] [stderr]     |
[INFO] [stderr] 127 | use futures::BoxFuture;
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:620:53
[INFO] [stderr]     |
[INFO] [stderr] 620 |     pub fn emit<E: Into<K>>(&mut self, event: E) -> BoxFuture<usize, Trace<EventError>> {
[INFO] [stderr]     |                                                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:648:72
[INFO] [stderr]     |
[INFO] [stderr] 648 |     pub fn emit_value<T, E: Into<K>>(&mut self, event: E, value: T) -> BoxFuture<usize, Trace<EventError>> where T: Any + Clone + Send {
[INFO] [stderr]     |                                                                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:676:77
[INFO] [stderr]     |
[INFO] [stderr] 676 |     pub fn emit_value_sync<T, E: Into<K>>(&mut self, event: E, value: T) -> BoxFuture<usize, Trace<EventError>> where T: Any + Send + Sync {
[INFO] [stderr]     |                                                                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:161:41
[INFO] [stderr]     |
[INFO] [stderr] 161 |     use futures::{self, future, Future, BoxFuture};
[INFO] [stderr]     |                                         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:284:83
[INFO] [stderr]     |
[INFO] [stderr] 284 |     pub fn emit_spawn<K: EventKey>(inner: Arc<Inner<K>>, event: K) -> EventResult<BoxFuture<usize, Trace<EventError>>> {
[INFO] [stderr]     |                                                                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:311:102
[INFO] [stderr]     |
[INFO] [stderr] 311 |     pub fn emit_value_spawn<T, K: EventKey>(inner: Arc<Inner<K>>, event: K, value: T) -> EventResult<BoxFuture<usize, Trace<EventError>>>...
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `futures::BoxFuture`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:341:107
[INFO] [stderr]     |
[INFO] [stderr] 341 |     pub fn emit_value_sync_spawn<T, K: EventKey>(inner: Arc<Inner<K>>, event: K, value: T) -> EventResult<BoxFuture<usize, Trace<EventErr...
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:187:19
[INFO] [stderr]     |
[INFO] [stderr] 187 |         Owned(Box<Any + Send>),
[INFO] [stderr]     |                   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 187 -         Owned(Box<Any + Send>),
[INFO] [stderr] 187 +         Owned(Box<dyn Any + Send>),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:189:26
[INFO] [stderr]     |
[INFO] [stderr] 189 |         Borrowed(Arc<Box<Any + Send>>),
[INFO] [stderr]     |                          ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 189 -         Borrowed(Arc<Box<Any + Send>>),
[INFO] [stderr] 189 +         Borrowed(Arc<Box<dyn Any + Send>>),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:196:33
[INFO] [stderr]     |
[INFO] [stderr] 196 |     pub type SyncCallback = Box<FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 196 -     pub type SyncCallback = Box<FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stderr] 196 +     pub type SyncCallback = Box<dyn FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:36
[INFO] [stderr]     |
[INFO] [stderr] 352 |                     inner: Arc<Box<Any + Send>>
[INFO] [stderr]     |                                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 352 -                     inner: Arc<Box<Any + Send>>
[INFO] [stderr] 352 +                     inner: Arc<Box<dyn Any + Send>>
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:23:30
[INFO] [stderr]    |
[INFO] [stderr] 23 |         write!(f, "{}", self.description())
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:303:77
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stderr]     |                                                                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:307:33
[INFO] [stderr]     |
[INFO] [stderr] 307 |         Ok(futures::finished(0).boxed())
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:333:77
[INFO] [stderr]     |
[INFO] [stderr] 333 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stderr]     |                                                                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:337:33
[INFO] [stderr]     |
[INFO] [stderr] 337 |         Ok(futures::finished(0).boxed())
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:373:77
[INFO] [stderr]     |
[INFO] [stderr] 373 |                 return Ok(future::join_all(listener_futures).map(count_ran).boxed());
[INFO] [stderr]     |                                                                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:377:33
[INFO] [stderr]     |
[INFO] [stderr] 377 |         Ok(futures::finished(0).boxed())
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:624:88
[INFO] [stderr]     |
[INFO] [stderr] 624 |         self.inner.pool.spawn_fn(move || internal::emit_spawn(inner, event)).flatten().boxed()
[INFO] [stderr]     |                                                                                        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:652:101
[INFO] [stderr]     |
[INFO] [stderr] 652 |         self.inner.pool.spawn_fn(move || internal::emit_value_spawn(inner, event, value)).flatten().boxed()
[INFO] [stderr]     |                                                                                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `futures::Future::boxed`: removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
[INFO] [stderr]    --> src/lib.rs:680:106
[INFO] [stderr]     |
[INFO] [stderr] 680 |         self.inner.pool.spawn_fn(move || internal::emit_value_sync_spawn(inner, event, value)).flatten().boxed()
[INFO] [stderr]     |                                                                                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `parallel-event-emitter` (lib) generated 22 warnings
[INFO] [stderr] warning: `parallel-event-emitter` (lib test) generated 22 warnings (22 duplicates)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/simple.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/custom_events.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `parallel-event-emitter` (example "simple") generated 1 warning
[INFO] [stderr] warning: `parallel-event-emitter` (example "custom_events") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parallel_event_emitter-32bd9e8ccad5dfc1)
[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 parallel-event-emitter
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - EventKey (line 139) ... ignored
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 2.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "037e81a419666d4f291435cc155a249ca0e655427e30dc30bca5afe8064eb0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037e81a419666d4f291435cc155a249ca0e655427e30dc30bca5afe8064eb0b0", kill_on_drop: false }`
[INFO] [stdout] 037e81a419666d4f291435cc155a249ca0e655427e30dc30bca5afe8064eb0b0