[INFO] fetching crate parallel-event-emitter 0.2.4...
[INFO] checking parallel-event-emitter-0.2.4 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[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 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2601434d00fafdc028a113ae706be1445dcb2c713066688d0ff807967ccd92ac
[INFO] running `"docker" "start" "-a" "2601434d00fafdc028a113ae706be1445dcb2c713066688d0ff807967ccd92ac"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking trace-error v0.1.5
[INFO] [stderr]     Checking parallel-event-emitter v0.2.4 (/opt/rustwide/workdir)
[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]     |                   ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[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]     |                          ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[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]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>`
[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]     |                                    ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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:127:5
[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 item '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 item '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 item '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 item '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 item '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 item '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>>> where T: Any + Clone + Send {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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<EventError>>> where T: Any + Send + Sync {
[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]     |                   ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[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]     |                          ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[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]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(ListenerId, Option<ArcCowish>) -> EventResult<bool>`
[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]     |                                    ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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:127:5
[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 item '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 item '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 item '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 item '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 item '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 item '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>>> where T: Any + Clone + Send {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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<EventError>>> where T: Any + Send + Sync {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: use of deprecated item '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: use of deprecated item '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 item '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: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `"docker" "inspect" "2601434d00fafdc028a113ae706be1445dcb2c713066688d0ff807967ccd92ac"`
[INFO] running `"docker" "rm" "-f" "2601434d00fafdc028a113ae706be1445dcb2c713066688d0ff807967ccd92ac"`
[INFO] [stdout] 2601434d00fafdc028a113ae706be1445dcb2c713066688d0ff807967ccd92ac