Nov 17 00:36:49.263 INFO testing iovxw/babel against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 00:36:49.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 00:36:49.835 INFO [stdout] 4b3e75e846d9effbba47cf3cea89a8631965463b6ec90fe7371ec840189008e4
Nov 17 00:36:49.843 INFO running `"docker" "start" "-a" "4b3e75e846d9effbba47cf3cea89a8631965463b6ec90fe7371ec840189008e4"`
Nov 17 00:36:50.816 INFO [stderr] usermod: no changes
Nov 17 00:36:51.363 INFO [stderr]    Compiling lazycell v1.1.0
Nov 17 00:36:51.388 INFO [stderr]    Compiling procedural-masquerade v0.1.6
Nov 17 00:36:51.407 INFO [stderr]    Compiling pin-utils v0.1.0-alpha.2
Nov 17 00:36:51.407 INFO [stderr]    Compiling ego-tree v0.5.0
Nov 17 00:36:51.407 INFO [stderr]    Compiling actix-web v0.7.7
Nov 17 00:36:51.407 INFO [stderr]    Compiling servo_arc v0.1.1
Nov 17 00:36:51.407 INFO [stderr]    Compiling openssl-sys v0.9.35
Nov 17 00:36:51.407 INFO [stderr]    Compiling tokio-channel v0.1.0
Nov 17 00:36:52.176 INFO [stderr]    Compiling futures-core-preview v0.3.0-alpha.6
Nov 17 00:36:52.237 INFO [stderr]    Compiling dtoa-short v0.3.2
Nov 17 00:36:53.431 INFO [stderr] error[E0432]: unresolved import `core::pin::PinMut`
Nov 17 00:36:53.431 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/future.rs:4:5
Nov 17 00:36:53.431 INFO [stderr]   |
Nov 17 00:36:53.431 INFO [stderr] 4 | use core::pin::PinMut;
Nov 17 00:36:53.431 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
Nov 17 00:36:53.431 INFO [stderr] 
Nov 17 00:36:53.431 INFO [stderr] error[E0432]: unresolved imports `core::future::FutureObj`, `core::future::LocalFutureObj`, `core::future::UnsafeFutureObj`
Nov 17 00:36:53.431 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/future.rs:6:32
Nov 17 00:36:53.431 INFO [stderr]   |
Nov 17 00:36:53.431 INFO [stderr] 6 | pub use core::future::{Future, FutureObj, LocalFutureObj, UnsafeFutureObj};
Nov 17 00:36:53.431 INFO [stderr]   |                                ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^ no `UnsafeFutureObj` in `future`
Nov 17 00:36:53.431 INFO [stderr]   |                                |          |
Nov 17 00:36:53.431 INFO [stderr]   |                                |          no `LocalFutureObj` in `future`
Nov 17 00:36:53.431 INFO [stderr]   |                                no `FutureObj` in `future`. Did you mean to use `Future`?
Nov 17 00:36:53.431 INFO [stderr] 
Nov 17 00:36:53.431 INFO [stderr] error[E0432]: unresolved import `core::pin::PinMut`
Nov 17 00:36:53.431 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:5:5
Nov 17 00:36:53.431 INFO [stderr]   |
Nov 17 00:36:53.431 INFO [stderr] 5 | use core::pin::PinMut;
Nov 17 00:36:53.431 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
Nov 17 00:36:53.431 INFO [stderr] 
Nov 17 00:36:53.431 INFO [stderr] error[E0432]: unresolved import `core::pin::PinMut`
Nov 17 00:36:53.431 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:5:5
Nov 17 00:36:53.431 INFO [stderr]   |
Nov 17 00:36:53.431 INFO [stderr] 5 | use core::pin::PinMut;
Nov 17 00:36:53.431 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
Nov 17 00:36:53.431 INFO [stderr] 
Nov 17 00:36:53.431 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 17 00:36:53.431 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:196:9
Nov 17 00:36:53.431 INFO [stderr]     |
Nov 17 00:36:53.431 INFO [stderr] 196 |     use std::boxed::Box;
Nov 17 00:36:53.431 INFO [stderr]     |         ^^^ Could not find `std` in `{{root}}`
Nov 17 00:36:53.431 INFO [stderr] 
Nov 17 00:36:53.431 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 17 00:36:53.431 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:197:9
Nov 17 00:36:53.431 INFO [stderr]     |
Nov 17 00:36:53.431 INFO [stderr] 197 |     use std::pin::PinBox;
Nov 17 00:36:53.431 INFO [stderr]     |         ^^^ Could not find `std` in `{{root}}`
Nov 17 00:36:53.431 INFO [stderr] 
Nov 17 00:36:53.431 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 17 00:36:53.431 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:131:9
Nov 17 00:36:53.431 INFO [stderr]     |
Nov 17 00:36:53.432 INFO [stderr] 131 |     use std::boxed::Box;
Nov 17 00:36:53.432 INFO [stderr]     |         ^^^ Could not find `std` in `{{root}}`
Nov 17 00:36:53.432 INFO [stderr] 
Nov 17 00:36:53.432 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 17 00:36:53.432 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:132:9
Nov 17 00:36:53.432 INFO [stderr]     |
Nov 17 00:36:53.432 INFO [stderr] 132 |     use std::pin::PinBox;
Nov 17 00:36:53.432 INFO [stderr]     |         ^^^ Could not find `std` in `{{root}}`
Nov 17 00:36:53.432 INFO [stderr] 
Nov 17 00:36:53.432 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 17 00:36:53.432 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/task.rs:10:13
Nov 17 00:36:53.432 INFO [stderr]    |
Nov 17 00:36:53.432 INFO [stderr] 10 |     pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
Nov 17 00:36:53.432 INFO [stderr]    |             ^^^ Could not find `std` in `{{root}}`
Nov 17 00:36:53.432 INFO [stderr] 
Nov 17 00:36:53.432 INFO [stderr] error[E0432]: unresolved imports `core::task::Context`, `core::task::Spawn`, `core::task::SpawnErrorKind`, `core::task::SpawnObjError`, `core::task::SpawnLocalObjError`
Nov 17 00:36:53.432 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/task.rs:4:5
Nov 17 00:36:53.432 INFO [stderr]   |
Nov 17 00:36:53.432 INFO [stderr] 4 |     Context, Poll, Spawn,
Nov 17 00:36:53.432 INFO [stderr]   |     ^^^^^^^        ^^^^^ no `Spawn` in `task`
Nov 17 00:36:53.432 INFO [stderr]   |     |
Nov 17 00:36:53.432 INFO [stderr]   |     no `Context` in `task`
Nov 17 00:36:53.432 INFO [stderr] 5 |     Waker, LocalWaker, UnsafeWake,
Nov 17 00:36:53.432 INFO [stderr] 6 |     SpawnErrorKind, SpawnObjError, SpawnLocalObjError,
Nov 17 00:36:53.432 INFO [stderr]   |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^ no `SpawnLocalObjError` in `task`
Nov 17 00:36:53.432 INFO [stderr]   |     |               |
Nov 17 00:36:53.432 INFO [stderr]   |     |               no `SpawnObjError` in `task`
Nov 17 00:36:53.432 INFO [stderr]   |     no `SpawnErrorKind` in `task`
Nov 17 00:36:53.432 INFO [stderr] 
Nov 17 00:36:53.491 INFO [stderr] error[E0433]: failed to resolve. Use of undeclared type or module `Box`
Nov 17 00:36:53.491 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:203:13
Nov 17 00:36:53.491 INFO [stderr]     |
Nov 17 00:36:53.491 INFO [stderr] 203 |             Box::into_raw(self) as *mut ()
Nov 17 00:36:53.491 INFO [stderr]     |             ^^^ Use of undeclared type or module `Box`
Nov 17 00:36:53.491 INFO [stderr] 
Nov 17 00:36:53.491 INFO [stderr] error[E0433]: failed to resolve. Use of undeclared type or module `Box`
Nov 17 00:36:53.491 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:213:18
Nov 17 00:36:53.491 INFO [stderr]     |
Nov 17 00:36:53.491 INFO [stderr] 213 |             drop(Box::from_raw(ptr as *mut F))
Nov 17 00:36:53.491 INFO [stderr]     |                  ^^^ Use of undeclared type or module `Box`
Nov 17 00:36:53.491 INFO [stderr] 
Nov 17 00:36:53.515 INFO [stderr] error[E0433]: failed to resolve. Use of undeclared type or module `PinBox`
Nov 17 00:36:53.515 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:221:13
Nov 17 00:36:53.515 INFO [stderr]     |
Nov 17 00:36:53.515 INFO [stderr] 221 |             PinBox::into_raw(self) as *mut ()
Nov 17 00:36:53.515 INFO [stderr]     |             ^^^^^^ Use of undeclared type or module `PinBox`
Nov 17 00:36:53.515 INFO [stderr] 
Nov 17 00:36:53.515 INFO [stderr] error[E0433]: failed to resolve. Use of undeclared type or module `PinBox`
Nov 17 00:36:53.515 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:231:18
Nov 17 00:36:53.515 INFO [stderr]     |
Nov 17 00:36:53.515 INFO [stderr] 231 |             drop(PinBox::from_raw(ptr as *mut F))
Nov 17 00:36:53.515 INFO [stderr]     |                  ^^^^^^ Use of undeclared type or module `PinBox`
Nov 17 00:36:53.515 INFO [stderr] 
Nov 17 00:36:53.561 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 17 00:36:53.561 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:156:34
Nov 17 00:36:53.561 INFO [stderr]     |
Nov 17 00:36:53.561 INFO [stderr] 156 |     impl<S: Stream> Stream for ::std::panic::AssertUnwindSafe<S> {
Nov 17 00:36:53.561 INFO [stderr]     |                                  ^^^ Could not find `std` in `{{root}}`
Nov 17 00:36:53.561 INFO [stderr] 
Nov 17 00:36:53.561 INFO [stderr] error[E0433]: failed to resolve. Could not find `std` in `{{root}}`
Nov 17 00:36:53.561 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:167:33
Nov 17 00:36:53.561 INFO [stderr]     |
Nov 17 00:36:53.561 INFO [stderr] 167 |     impl<T: Unpin> Stream for ::std::collections::VecDeque<T> {
Nov 17 00:36:53.561 INFO [stderr]     |                                 ^^^ Could not find `std` in `{{root}}`
Nov 17 00:36:53.561 INFO [stderr] 
Nov 17 00:36:53.561 INFO [stderr] error[E0412]: cannot find type `Box` in this scope
Nov 17 00:36:53.561 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:199:54
Nov 17 00:36:53.561 INFO [stderr]     |
Nov 17 00:36:53.561 INFO [stderr] 199 |     unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for Box<F>
Nov 17 00:36:53.561 INFO [stderr]     |                                                      ^^^ not found in this scope
Nov 17 00:36:53.561 INFO [stderr] 
Nov 17 00:36:53.561 INFO [stderr] error[E0412]: cannot find type `PinBox` in this scope
Nov 17 00:36:53.561 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:217:54
Nov 17 00:36:53.561 INFO [stderr]     |
Nov 17 00:36:53.561 INFO [stderr] 217 |     unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for PinBox<F>
Nov 17 00:36:53.561 INFO [stderr]     |                                                      ^^^^^^ not found in this scope
Nov 17 00:36:53.561 INFO [stderr] 
Nov 17 00:36:53.561 INFO [stderr] error[E0412]: cannot find type `PinBox` in this scope
Nov 17 00:36:53.561 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:235:53
Nov 17 00:36:53.561 INFO [stderr]     |
Nov 17 00:36:53.561 INFO [stderr] 235 |     impl<'a, F: Stream<Item = ()> + Send + 'a> From<PinBox<F>> for StreamObj<'a, ()> {
Nov 17 00:36:53.561 INFO [stderr]     |                                                     ^^^^^^ not found in this scope
Nov 17 00:36:53.561 INFO [stderr] 
Nov 17 00:36:53.561 INFO [stderr] error[E0412]: cannot find type `PinBox` in this scope
Nov 17 00:36:53.561 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:236:24
Nov 17 00:36:53.561 INFO [stderr]     |
Nov 17 00:36:53.561 INFO [stderr] 236 |         fn from(boxed: PinBox<F>) -> Self {
Nov 17 00:36:53.561 INFO [stderr]     |                        ^^^^^^ not found in this scope
Nov 17 00:36:53.562 INFO [stderr] 
Nov 17 00:36:53.562 INFO [stderr] error[E0412]: cannot find type `Box` in this scope
Nov 17 00:36:53.562 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:241:53
Nov 17 00:36:53.562 INFO [stderr]     |
Nov 17 00:36:53.562 INFO [stderr] 241 |     impl<'a, F: Stream<Item = ()> + Send + 'a> From<Box<F>> for StreamObj<'a, ()> {
Nov 17 00:36:53.562 INFO [stderr]     |                                                     ^^^ not found in this scope
Nov 17 00:36:53.562 INFO [stderr] 
Nov 17 00:36:53.562 INFO [stderr] error[E0412]: cannot find type `Box` in this scope
Nov 17 00:36:53.562 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:242:24
Nov 17 00:36:53.562 INFO [stderr]     |
Nov 17 00:36:53.562 INFO [stderr] 242 |         fn from(boxed: Box<F>) -> Self {
Nov 17 00:36:53.562 INFO [stderr]     |                        ^^^ not found in this scope
Nov 17 00:36:53.562 INFO [stderr] 
Nov 17 00:36:53.562 INFO [stderr] error[E0412]: cannot find type `PinBox` in this scope
Nov 17 00:36:53.562 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:247:46
Nov 17 00:36:53.562 INFO [stderr]     |
Nov 17 00:36:53.562 INFO [stderr] 247 |     impl<'a, F: Stream<Item = ()> + 'a> From<PinBox<F>> for LocalStreamObj<'a, ()> {
Nov 17 00:36:53.562 INFO [stderr]     |                                              ^^^^^^ not found in this scope
Nov 17 00:36:53.562 INFO [stderr] 
Nov 17 00:36:53.562 INFO [stderr] error[E0412]: cannot find type `PinBox` in this scope
Nov 17 00:36:53.562 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:248:24
Nov 17 00:36:53.562 INFO [stderr]     |
Nov 17 00:36:53.562 INFO [stderr] 248 |         fn from(boxed: PinBox<F>) -> Self {
Nov 17 00:36:53.562 INFO [stderr]     |                        ^^^^^^ not found in this scope
Nov 17 00:36:53.562 INFO [stderr] 
Nov 17 00:36:53.562 INFO [stderr] error[E0412]: cannot find type `Box` in this scope
Nov 17 00:36:53.562 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:253:46
Nov 17 00:36:53.562 INFO [stderr]     |
Nov 17 00:36:53.562 INFO [stderr] 253 |     impl<'a, F: Stream<Item = ()> + 'a> From<Box<F>> for LocalStreamObj<'a, ()> {
Nov 17 00:36:53.562 INFO [stderr]     |                                              ^^^ not found in this scope
Nov 17 00:36:53.562 INFO [stderr] 
Nov 17 00:36:53.562 INFO [stderr] error[E0412]: cannot find type `Box` in this scope
Nov 17 00:36:53.562 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:254:24
Nov 17 00:36:53.562 INFO [stderr]     |
Nov 17 00:36:53.562 INFO [stderr] 254 |         fn from(boxed: Box<F>) -> Self {
Nov 17 00:36:53.562 INFO [stderr]     |                        ^^^ not found in this scope
Nov 17 00:36:53.562 INFO [stderr] 
Nov 17 00:36:53.562 INFO [stderr] error[E0412]: cannot find type `Box` in this scope
Nov 17 00:36:53.562 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:134:49
Nov 17 00:36:53.562 INFO [stderr]     |
Nov 17 00:36:53.562 INFO [stderr] 134 |     impl<S: ?Sized + Stream + Unpin> Stream for Box<S> {
Nov 17 00:36:53.563 INFO [stderr]     |                                                 ^^^ not found in this scope
Nov 17 00:36:53.563 INFO [stderr] 
Nov 17 00:36:53.563 INFO [stderr] error[E0412]: cannot find type `PinBox` in this scope
Nov 17 00:36:53.563 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:145:41
Nov 17 00:36:53.563 INFO [stderr]     |
Nov 17 00:36:53.563 INFO [stderr] 145 |     impl<S: ?Sized + Stream> Stream for PinBox<S> {
Nov 17 00:36:53.563 INFO [stderr]     |                                         ^^^^^^ not found in this scope
Nov 17 00:36:53.563 INFO [stderr] 
Nov 17 00:36:53.575 INFO [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.575 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:177:20
Nov 17 00:36:53.575 INFO [stderr]     |
Nov 17 00:36:53.575 INFO [stderr] 177 | unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for PinMut<'a, F>
Nov 17 00:36:53.575 INFO [stderr]     |                    ^ unconstrained type parameter
Nov 17 00:36:53.575 INFO [stderr] 
Nov 17 00:36:53.575 INFO [stderr] error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.575 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:71:10
Nov 17 00:36:53.575 INFO [stderr]    |
Nov 17 00:36:53.575 INFO [stderr] 71 | impl<'a, S: ?Sized + Stream> Stream for PinMut<'a, S> {
Nov 17 00:36:53.575 INFO [stderr]    |          ^ unconstrained type parameter
Nov 17 00:36:53.575 INFO [stderr] 
Nov 17 00:36:53.575 INFO [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.575 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:199:24
Nov 17 00:36:53.575 INFO [stderr]     |
Nov 17 00:36:53.575 INFO [stderr] 199 |     unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for Box<F>
Nov 17 00:36:53.575 INFO [stderr]     |                        ^ unconstrained type parameter
Nov 17 00:36:53.575 INFO [stderr] 
Nov 17 00:36:53.575 INFO [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.575 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:217:24
Nov 17 00:36:53.575 INFO [stderr]     |
Nov 17 00:36:53.575 INFO [stderr] 217 |     unsafe impl<'a, T, F> UnsafeStreamObj<'a, T> for PinBox<F>
Nov 17 00:36:53.575 INFO [stderr]     |                        ^ unconstrained type parameter
Nov 17 00:36:53.575 INFO [stderr] 
Nov 17 00:36:53.575 INFO [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.575 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:235:14
Nov 17 00:36:53.575 INFO [stderr]     |
Nov 17 00:36:53.575 INFO [stderr] 235 |     impl<'a, F: Stream<Item = ()> + Send + 'a> From<PinBox<F>> for StreamObj<'a, ()> {
Nov 17 00:36:53.575 INFO [stderr]     |              ^ unconstrained type parameter
Nov 17 00:36:53.575 INFO [stderr] 
Nov 17 00:36:53.575 INFO [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.575 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:241:14
Nov 17 00:36:53.575 INFO [stderr]     |
Nov 17 00:36:53.575 INFO [stderr] 241 |     impl<'a, F: Stream<Item = ()> + Send + 'a> From<Box<F>> for StreamObj<'a, ()> {
Nov 17 00:36:53.575 INFO [stderr]     |              ^ unconstrained type parameter
Nov 17 00:36:53.575 INFO [stderr] 
Nov 17 00:36:53.575 INFO [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.575 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:247:14
Nov 17 00:36:53.575 INFO [stderr]     |
Nov 17 00:36:53.575 INFO [stderr] 247 |     impl<'a, F: Stream<Item = ()> + 'a> From<PinBox<F>> for LocalStreamObj<'a, ()> {
Nov 17 00:36:53.575 INFO [stderr]     |              ^ unconstrained type parameter
Nov 17 00:36:53.575 INFO [stderr] 
Nov 17 00:36:53.575 INFO [stderr] error[E0207]: the type parameter `F` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.575 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/stream_obj.rs:253:14
Nov 17 00:36:53.575 INFO [stderr]     |
Nov 17 00:36:53.575 INFO [stderr] 253 |     impl<'a, F: Stream<Item = ()> + 'a> From<Box<F>> for LocalStreamObj<'a, ()> {
Nov 17 00:36:53.576 INFO [stderr]     |              ^ unconstrained type parameter
Nov 17 00:36:53.576 INFO [stderr] 
Nov 17 00:36:53.576 INFO [stderr] error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.576 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:134:10
Nov 17 00:36:53.576 INFO [stderr]     |
Nov 17 00:36:53.576 INFO [stderr] 134 |     impl<S: ?Sized + Stream + Unpin> Stream for Box<S> {
Nov 17 00:36:53.576 INFO [stderr]     |          ^ unconstrained type parameter
Nov 17 00:36:53.576 INFO [stderr] 
Nov 17 00:36:53.576 INFO [stderr] error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.576 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:145:10
Nov 17 00:36:53.576 INFO [stderr]     |
Nov 17 00:36:53.576 INFO [stderr] 145 |     impl<S: ?Sized + Stream> Stream for PinBox<S> {
Nov 17 00:36:53.576 INFO [stderr]     |          ^ unconstrained type parameter
Nov 17 00:36:53.576 INFO [stderr] 
Nov 17 00:36:53.576 INFO [stderr] error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.576 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:156:10
Nov 17 00:36:53.576 INFO [stderr]     |
Nov 17 00:36:53.576 INFO [stderr] 156 |     impl<S: Stream> Stream for ::std::panic::AssertUnwindSafe<S> {
Nov 17 00:36:53.576 INFO [stderr]     |          ^ unconstrained type parameter
Nov 17 00:36:53.576 INFO [stderr] 
Nov 17 00:36:53.576 INFO [stderr] error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates
Nov 17 00:36:53.577 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.6/src/stream/mod.rs:167:10
Nov 17 00:36:53.577 INFO [stderr]     |
Nov 17 00:36:53.577 INFO [stderr] 167 |     impl<T: Unpin> Stream for ::std::collections::VecDeque<T> {
Nov 17 00:36:53.577 INFO [stderr]     |          ^ unconstrained type parameter
Nov 17 00:36:53.577 INFO [stderr] 
Nov 17 00:36:53.577 INFO [stderr] error: aborting due to 40 previous errors
Nov 17 00:36:53.577 INFO [stderr] 
Nov 17 00:36:53.577 INFO [stderr] Some errors occurred: E0207, E0412, E0432, E0433.
Nov 17 00:36:53.577 INFO [stderr] For more information about an error, try `rustc --explain E0207`.
Nov 17 00:36:53.581 INFO [stderr] error: Could not compile `futures-core-preview`.
Nov 17 00:36:53.581 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 17 00:36:54.623 INFO [stderr] error: build failed
Nov 17 00:36:54.624 INFO [stderr] su: No module specific data is present
Nov 17 00:36:54.865 INFO running `"docker" "inspect" "4b3e75e846d9effbba47cf3cea89a8631965463b6ec90fe7371ec840189008e4"`
Nov 17 00:36:54.980 INFO running `"docker" "rm" "-f" "4b3e75e846d9effbba47cf3cea89a8631965463b6ec90fe7371ec840189008e4"`
Nov 17 00:36:55.049 INFO [stdout] 4b3e75e846d9effbba47cf3cea89a8631965463b6ec90fe7371ec840189008e4