[INFO] crate mioco 0.8.1 is already in cache
[INFO] checking mioco-0.8.1 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate mioco 0.8.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mioco 0.8.1 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mioco 0.8.1
[INFO] finished tweaking crates.io crate mioco 0.8.1
[INFO] tweaked toml for crates.io crate mioco 0.8.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 95bb29d79d6154ddaff2cb14e36995bac307ce2ca62371cb588e641498ffe028
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "95bb29d79d6154ddaff2cb14e36995bac307ce2ca62371cb588e641498ffe028"`
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking slab v0.2.0
[INFO] [stderr]    Compiling context v1.0.1
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking mioco v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sync/mpsc.rs:246:13
[INFO] [stderr]     |
[INFO] [stderr] 246 |             try!(self.sender.send(t));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sync/mpsc.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         try!(self.sender.send(t));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/unix.rs:122:36
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let (raw_reader, raw_writer) = try!(mio_orig::unix::pipe());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | /// Current coroutine thread-local reference
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | ///
[INFO] [stderr]    | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | /// This reference is used to store a reference to a currently executing
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | /// mioco coroutine.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | ///
[INFO] [stderr]    | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | /// Should not be used directly, use `tl_current_coroutine()` instead.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/evented.rs:459:35
[INFO] [stderr]     |
[INFO] [stderr] 459 |     pub fn to_trait(&self) -> Box<RcEventSourceTrait + 'static> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RcEventSourceTrait + 'static`
[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/coroutine.rs:141:32
[INFO] [stderr]     |
[INFO] [stderr] 141 | pub type UserDataAny = Arc<Box<Any + Send + Sync>>;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/coroutine.rs:166:29
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub blocked_on: Vec<Box<RcEventSourceTrait + 'static>>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RcEventSourceTrait + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread.rs:215:20
[INFO] [stderr]     |
[INFO] [stderr] 215 |     scheduler: Box<SchedulerThread + 'static>,
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SchedulerThread + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread.rs:223:56
[INFO] [stderr]     |
[INFO] [stderr] 223 |     pub fn new(shared: RcHandlerShared, scheduler: Box<SchedulerThread>) -> Self {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SchedulerThread`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread.rs:294:24
[INFO] [stderr]     |
[INFO] [stderr] 294 |     PropagatePanic(Box<Any + Send + 'static>),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thunk.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |     invoke: Box<Invoke<A, R> + Send + 'a>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Invoke<A, R> + Send + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:262:35
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn spawn_thread(&self) -> Box<SchedulerThread + 'static>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SchedulerThread + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:345:35
[INFO] [stderr]     |
[INFO] [stderr] 345 |     fn spawn_thread(&self) -> Box<SchedulerThread> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SchedulerThread`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:532:40
[INFO] [stderr]     |
[INFO] [stderr] 532 |             if (&***arcref.owner() as &Any).downcast_ref::<T>().is_some() {
[INFO] [stderr]     |                                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:533:49
[INFO] [stderr]     |
[INFO] [stderr] 533 |                 Some(arcref.map(|ud| (&**ud as &Any).downcast_ref::<T>().unwrap())
[INFO] [stderr]     |                                                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:648:41
[INFO] [stderr]     |
[INFO] [stderr] 648 |                          scheduler: Box<SchedulerThread + 'static>,
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SchedulerThread + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:696:24
[INFO] [stderr]     |
[INFO] [stderr] 696 |     scheduler: Arc<Box<Scheduler>>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Scheduler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:735:52
[INFO] [stderr]     |
[INFO] [stderr] 735 |     pub fn set_scheduler(&mut self, scheduler: Box<Scheduler + 'static>) -> &mut Self {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scheduler + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:971:36
[INFO] [stderr]     |
[INFO] [stderr] 971 |         if (&***arcref.owner() as &Any).downcast_ref::<T>().is_some() {
[INFO] [stderr]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:972:45
[INFO] [stderr]     |
[INFO] [stderr] 972 |             Some(arcref.map(|ud| (&**ud as &Any).downcast_ref::<T>().unwrap())
[INFO] [stderr]     |                                             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sync/mpsc.rs:246:13
[INFO] [stderr]     |
[INFO] [stderr] 246 |             try!(self.sender.send(t));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sync/mpsc.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         try!(self.sender.send(t));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/unix.rs:122:36
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let (raw_reader, raw_writer) = try!(mio_orig::unix::pipe());
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | /// Current coroutine thread-local reference
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | ///
[INFO] [stderr]    | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | /// This reference is used to store a reference to a currently executing
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | /// mioco coroutine.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | ///
[INFO] [stderr]    | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/thread.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | /// Should not be used directly, use `tl_current_coroutine()` instead.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/evented.rs:459:35
[INFO] [stderr]     |
[INFO] [stderr] 459 |     pub fn to_trait(&self) -> Box<RcEventSourceTrait + 'static> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RcEventSourceTrait + 'static`
[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/coroutine.rs:141:32
[INFO] [stderr]     |
[INFO] [stderr] 141 | pub type UserDataAny = Arc<Box<Any + Send + Sync>>;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/coroutine.rs:166:29
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub blocked_on: Vec<Box<RcEventSourceTrait + 'static>>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RcEventSourceTrait + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread.rs:215:20
[INFO] [stderr]     |
[INFO] [stderr] 215 |     scheduler: Box<SchedulerThread + 'static>,
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SchedulerThread + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread.rs:223:56
[INFO] [stderr]     |
[INFO] [stderr] 223 |     pub fn new(shared: RcHandlerShared, scheduler: Box<SchedulerThread>) -> Self {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SchedulerThread`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread.rs:294:24
[INFO] [stderr]     |
[INFO] [stderr] 294 |     PropagatePanic(Box<Any + Send + 'static>),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thunk.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |     invoke: Box<Invoke<A, R> + Send + 'a>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Invoke<A, R> + Send + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:262:35
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn spawn_thread(&self) -> Box<SchedulerThread + 'static>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SchedulerThread + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:345:35
[INFO] [stderr]     |
[INFO] [stderr] 345 |     fn spawn_thread(&self) -> Box<SchedulerThread> {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SchedulerThread`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:532:40
[INFO] [stderr]     |
[INFO] [stderr] 532 |             if (&***arcref.owner() as &Any).downcast_ref::<T>().is_some() {
[INFO] [stderr]     |                                        ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:533:49
[INFO] [stderr]     |
[INFO] [stderr] 533 |                 Some(arcref.map(|ud| (&**ud as &Any).downcast_ref::<T>().unwrap())
[INFO] [stderr]     |                                                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:648:41
[INFO] [stderr]     |
[INFO] [stderr] 648 |                          scheduler: Box<SchedulerThread + 'static>,
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SchedulerThread + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:696:24
[INFO] [stderr]     |
[INFO] [stderr] 696 |     scheduler: Arc<Box<Scheduler>>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Scheduler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:735:52
[INFO] [stderr]     |
[INFO] [stderr] 735 |     pub fn set_scheduler(&mut self, scheduler: Box<Scheduler + 'static>) -> &mut Self {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scheduler + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:971:36
[INFO] [stderr]     |
[INFO] [stderr] 971 |         if (&***arcref.owner() as &Any).downcast_ref::<T>().is_some() {
[INFO] [stderr]     |                                    ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mod.rs:972:45
[INFO] [stderr]     |
[INFO] [stderr] 972 |             Some(arcref.map(|ud| (&**ud as &Any).downcast_ref::<T>().unwrap())
[INFO] [stderr]     |                                             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> tests.rs:411:33
[INFO] [stderr]     |
[INFO] [stderr] 411 |                     r:reader => { panic!("reader fired first!") },
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests.rs:650:39
[INFO] [stderr]     |
[INFO] [stderr] 650 |         fn spawn_thread(&self) -> Box<mioco::sched::SchedulerThread> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mioco::sched::SchedulerThread`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests.rs:692:39
[INFO] [stderr]     |
[INFO] [stderr] 692 |         fn spawn_thread(&self) -> Box<mioco::sched::SchedulerThread> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mioco::sched::SchedulerThread`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests.rs:743:39
[INFO] [stderr]     |
[INFO] [stderr] 743 |         fn spawn_thread(&self) -> Box<mioco::sched::SchedulerThread> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mioco::sched::SchedulerThread`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> tests.rs:1080:39
[INFO] [stderr]      |
[INFO] [stderr] 1080 |         fn spawn_thread(&self) -> Box<mioco::sched::SchedulerThread> {
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mioco::sched::SchedulerThread`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]     --> tests.rs:1503:34
[INFO] [stderr]      |
[INFO] [stderr] 1503 |                     r:timer_b => {panic!("wrong timer fired!")},
[INFO] [stderr]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]     --> tests.rs:1596:29
[INFO] [stderr]      |
[INFO] [stderr] 1596 |                 r:reader => { panic!("reader fired first!") },
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/coroutine.rs:376:17
[INFO] [stderr]     |
[INFO] [stderr] 376 |             let mut common = &mut event_source.common_mut();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0446]: private type `src::sync::mpsc::ReceiverCore<T>` in public interface
[INFO] [stderr]   --> src/sync/mpsc.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct ReceiverCore<T> {
[INFO] [stderr]    | - `src::sync::mpsc::ReceiverCore<T>` declared as private
[INFO] [stderr] ...
[INFO] [stderr] 35 |     type Raw = ReceiverCore<T>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stderr] 
[INFO] [stderr] error[E0446]: private type `src::timer::TimerCore` in public interface
[INFO] [stderr]   --> src/timer.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct TimerCore {
[INFO] [stderr]    | - `src::timer::TimerCore` declared as private
[INFO] [stderr] ...
[INFO] [stderr] 47 |     type Raw = TimerCore;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0446`.
[INFO] [stderr] error: could not compile `mioco`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/coroutine.rs:376:17
[INFO] [stderr]     |
[INFO] [stderr] 376 |             let mut common = &mut event_source.common_mut();
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0446]: private type `src::sync::mpsc::ReceiverCore<T>` in public interface
[INFO] [stderr]   --> src/sync/mpsc.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct ReceiverCore<T> {
[INFO] [stderr]    | - `src::sync::mpsc::ReceiverCore<T>` declared as private
[INFO] [stderr] ...
[INFO] [stderr] 35 |     type Raw = ReceiverCore<T>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stderr] 
[INFO] [stderr] error[E0446]: private type `src::timer::TimerCore` in public interface
[INFO] [stderr]   --> src/timer.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct TimerCore {
[INFO] [stderr]    | - `src::timer::TimerCore` declared as private
[INFO] [stderr] ...
[INFO] [stderr] 47 |     type Raw = TimerCore;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ can't leak private type
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0446`.
[INFO] [stderr] error: could not compile `mioco`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "95bb29d79d6154ddaff2cb14e36995bac307ce2ca62371cb588e641498ffe028"`
[INFO] running `"docker" "rm" "-f" "95bb29d79d6154ddaff2cb14e36995bac307ce2ca62371cb588e641498ffe028"`
[INFO] [stdout] 95bb29d79d6154ddaff2cb14e36995bac307ce2ca62371cb588e641498ffe028
