[INFO] crate futures-mio 0.1.0 is already in cache
[INFO] checking futures-mio-0.1.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate futures-mio 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate futures-mio 0.1.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate futures-mio 0.1.0
[INFO] removed path dependency futures from crates.io crate futures-mio 0.1.0
[INFO] removed path dependency futures-io from crates.io crate futures-mio 0.1.0
[INFO] finished tweaking crates.io crate futures-mio 0.1.0
[INFO] tweaked toml for crates.io crate futures-mio 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 12c9c311c590d1a2678fef25480d5b6c8f69d28e3b66d820ed1bdecc49984791
[INFO] running `"docker" "start" "-a" "12c9c311c590d1a2678fef25480d5b6c8f69d28e3b66d820ed1bdecc49984791"`
[INFO] [stderr]     Checking slab v0.2.0
[INFO] [stderr]     Checking futures-io v0.1.0
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures::Task;
[INFO] [stderr]   |     ^^^^^^^^^----
[INFO] [stderr]   |     |        |
[INFO] [stderr]   |     |        help: a similar name exists in the module: `task`
[INFO] [stderr]   |     no `Task` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/impls.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::Task;
[INFO] [stderr]   |     ^^^^^^^^^----
[INFO] [stderr]   |     |        |
[INFO] [stderr]   |     |        help: a similar name exists in the module: `task`
[INFO] [stderr]   |     no `Task` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/buf_reader.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::{Poll, Task};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |                     |
[INFO] [stderr]   |                     no `Task` in the root
[INFO] [stderr]   |                     help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/buf_writer.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::{Poll, Task};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |                     |
[INFO] [stderr]   |                     no `Task` in the root
[INFO] [stderr]   |                     help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/chain.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Poll, Task};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |                     |
[INFO] [stderr]   |                     no `Task` in the root
[INFO] [stderr]   |                     help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/copy.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Poll, Task};
[INFO] [stderr]   |                             ^^^^
[INFO] [stderr]   |                             |
[INFO] [stderr]   |                             no `Task` in the root
[INFO] [stderr]   |                             help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/empty.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Task, Poll};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |               |
[INFO] [stderr]   |               no `Task` in the root
[INFO] [stderr]   |               help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/flush.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Poll, Task, Future};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |                     |
[INFO] [stderr]   |                     no `Task` in the root
[INFO] [stderr]   |                     help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/read_to_end.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::{Poll, Task, Future};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |                     |
[INFO] [stderr]   |                     no `Task` in the root
[INFO] [stderr]   |                     help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/repeat.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Task, Poll};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |               |
[INFO] [stderr]   |               no `Task` in the root
[INFO] [stderr]   |               help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/ready_tracker.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Poll, Task};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |                     |
[INFO] [stderr]   |                     no `Task` in the root
[INFO] [stderr]   |                     help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/sink.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Task, Poll};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |               |
[INFO] [stderr]   |               no `Task` in the root
[INFO] [stderr]   |               help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::Task`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/take.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::{Poll, Task};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr]   |                     |
[INFO] [stderr]   |                     no `Task` in the root
[INFO] [stderr]   |                     help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `futures::Task`, `futures::TaskData`, `futures::store`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/task.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures::{Future, Task, TaskData, Poll, store};
[INFO] [stderr]   |                       ^^^^  ^^^^^^^^        ^^^^^ no `store` in the root
[INFO] [stderr]   |                       |     |
[INFO] [stderr]   |                       |     no `TaskData` in the root
[INFO] [stderr]   |                       no `Task` in the root
[INFO] [stderr]   |                       help: a similar name exists in the module: `task`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `try_poll` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/copy.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     match try_poll!(self.reader.poll(task)) {
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `try_poll` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/copy.rs:81:27
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     match try_poll!(self.writer.poll(task)) {
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `try_poll` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/read_to_end.rs:42:19
[INFO] [stderr]    |
[INFO] [stderr] 42 |             match try_poll!(self.a.poll(task)) {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `try_poll` in this scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/task.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let found = match try_poll!(state.object.poll(self.task)) {
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/buf_reader.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 59 | |         if self.pos < self.cap {
[INFO] [stderr] 60 | |             task.notify()
[INFO] [stderr] 61 | |         } else {
[INFO] [stderr] 62 | |             self.inner.schedule(task)
[INFO] [stderr] 63 | |         }
[INFO] [stderr] 64 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/buf_writer.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 86 | |         // Notify immediately if we have some capacity, but also ask our
[INFO] [stderr] 87 | |         // underlying stream for readiness so it'll be ready by the time that we
[INFO] [stderr] 88 | |         // need to flush.
[INFO] [stderr] ...  |
[INFO] [stderr] 92 | |         self.inner.schedule(task)
[INFO] [stderr] 93 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/chain.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 41 | |         if self.first {
[INFO] [stderr] 42 | |             self.a.schedule(task)
[INFO] [stderr] 43 | |         } else {
[INFO] [stderr] 44 | |             self.b.schedule(task)
[INFO] [stderr] 45 | |         }
[INFO] [stderr] 46 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Future`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/copy.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 123 | |         if self.read_ready && self.write_ready {
[INFO] [stderr] 124 | |             task.notify();
[INFO] [stderr] 125 | |         }
[INFO] [stderr] ...   |
[INFO] [stderr] 131 | |         }
[INFO] [stderr] 132 | |     }
[INFO] [stderr]     | |_____^ not a member of trait `Future`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/empty.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 25 | |         task.notify();
[INFO] [stderr] 26 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Future`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/flush.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 36 | |         if let Some(ref mut a) = self.a {
[INFO] [stderr] 37 | |             a.schedule(task);
[INFO] [stderr] 38 | |         }
[INFO] [stderr] 39 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Future`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Future`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/read_to_end.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 74 | |         self.a.schedule(task)
[INFO] [stderr] 75 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Future`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/repeat.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 25 | |         task.notify();
[INFO] [stderr] 26 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/ready_tracker.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 54 | |         self.inner.schedule(task)
[INFO] [stderr] 55 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/sink.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 25 | |         task.notify()
[INFO] [stderr] 26 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/take.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 38 | |         if self.left == 0 {
[INFO] [stderr] 39 | |             task.notify()
[INFO] [stderr] 40 | |         } else {
[INFO] [stderr] 41 | |             self.a.schedule(task)
[INFO] [stderr] 42 | |         }
[INFO] [stderr] 43 | |     }
[INFO] [stderr]    | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/task.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 152 | |         TaskIoTake::new(task, &self.handle).schedule(Ready::ReadWrite)
[INFO] [stderr] 153 | |     }
[INFO] [stderr]     | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/task.rs:196:5
[INFO] [stderr]     |
[INFO] [stderr] 196 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 197 | |         TaskIoTake::new(task, &self.handle).schedule(Ready::Read)
[INFO] [stderr] 198 | |     }
[INFO] [stderr]     | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `schedule` is not a member of trait `Stream`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/task.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 | /     fn schedule(&mut self, task: &mut Task) {
[INFO] [stderr] 228 | |         TaskIoTake::new(task, &self.handle).schedule(Ready::Write)
[INFO] [stderr] 229 | |     }
[INFO] [stderr]     | |_____^ not a member of trait `Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `T` cannot be sent between threads safely
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/task.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct TaskIoTake<'a, 'b, T: Send + 'static> {
[INFO] [stderr]    | -------------------------------------------- required by `task::TaskIoTake`
[INFO] [stderr] ...
[INFO] [stderr] 70 | impl<'a, 'b, T> TaskIoTake<'a, 'b, T>
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^ `T` cannot be sent between threads safely
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Send` is not implemented for `T`
[INFO] [stderr] help: consider further restricting this bound
[INFO] [stderr]    |
[INFO] [stderr] 71 |     where T: Stream<Item=Ready, Error=io::Error> + std::marker::Send
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `T` cannot be sent between threads safely
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/task.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct TaskIoTake<'a, 'b, T: Send + 'static> {
[INFO] [stderr]    | -------------------------------------------- required by `task::TaskIoTake`
[INFO] [stderr] ...
[INFO] [stderr] 73 |     fn poll(&mut self, ready: Ready) -> Poll<Option<Ready>, io::Error> {
[INFO] [stderr]    |             ^^^^^^^^^ `T` cannot be sent between threads safely
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Send` is not implemented for `T`
[INFO] [stderr] help: consider further restricting this bound
[INFO] [stderr]    |
[INFO] [stderr] 71 |     where T: Stream<Item=Ready, Error=io::Error> + std::marker::Send
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `T` cannot be sent between threads safely
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-0.1.0/src/task.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 48  | struct TaskIoTake<'a, 'b, T: Send + 'static> {
[INFO] [stderr]     | -------------------------------------------- required by `task::TaskIoTake`
[INFO] [stderr] ...
[INFO] [stderr] 116 |     fn schedule(&mut self, ready: Ready) {
[INFO] [stderr]     |                 ^^^^^^^^^ `T` cannot be sent between threads safely
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::marker::Send` is not implemented for `T`
[INFO] [stderr] help: consider further restricting this bound
[INFO] [stderr]     |
[INFO] [stderr] 71  |     where T: Stream<Item=Ready, Error=io::Error> + std::marker::Send
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 35 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0407, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `futures-io`.
[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] error: build failed
[INFO] running `"docker" "inspect" "12c9c311c590d1a2678fef25480d5b6c8f69d28e3b66d820ed1bdecc49984791"`
[INFO] running `"docker" "rm" "-f" "12c9c311c590d1a2678fef25480d5b6c8f69d28e3b66d820ed1bdecc49984791"`
[INFO] [stdout] 12c9c311c590d1a2678fef25480d5b6c8f69d28e3b66d820ed1bdecc49984791
