[INFO] fetching crate futures-core-preview 0.3.0-alpha.10...
[INFO] extracting crate futures-core-preview 0.3.0-alpha.10 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/futures-core-preview/0.3.0-alpha.10
[INFO] extracting crate futures-core-preview 0.3.0-alpha.10 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/futures-core-preview/0.3.0-alpha.10
[INFO] validating manifest of futures-core-preview-0.3.0-alpha.10 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of futures-core-preview-0.3.0-alpha.10 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing futures-core-preview-0.3.0-alpha.10
[INFO] finished frobbing futures-core-preview-0.3.0-alpha.10
[INFO] frobbed toml for futures-core-preview-0.3.0-alpha.10 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/futures-core-preview/0.3.0-alpha.10/Cargo.toml
[INFO] started frobbing futures-core-preview-0.3.0-alpha.10
[INFO] finished frobbing futures-core-preview-0.3.0-alpha.10
[INFO] frobbed toml for futures-core-preview-0.3.0-alpha.10 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/futures-core-preview/0.3.0-alpha.10/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking futures-core-preview-0.3.0-alpha.10 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-1/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/futures-core-preview/0.3.0-alpha.10:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c704a3fac145c5c51aebe10499bc3024104b11d461d35d9cf02792677ab97fad
[INFO] running `"docker" "start" "-a" "c704a3fac145c5c51aebe10499bc3024104b11d461d35d9cf02792677ab97fad"`
[INFO] [stderr] warning: the cargo feature `rename-dependency` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.10 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `core::task::LocalWaker`
[INFO] [stderr]  --> src/future/future_obj.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     task::{LocalWaker, Poll},
[INFO] [stderr]   |            ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `core::task::LocalWaker`, `core::task::UnsafeWake`
[INFO] [stderr]  --> src/task/mod.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub use core::task::{Poll, Waker, LocalWaker, UnsafeWake};
[INFO] [stderr]   |                                   ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stderr]   |                                   |
[INFO] [stderr]   |                                   no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::task::Wake`, `std::task::local_waker`, `std::task::local_waker_from_nonlocal`
[INFO] [stderr]   --> src/task/mod.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stderr]    |                     ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stderr]    |                     |     |
[INFO] [stderr]    |                     |     no `local_waker` in `task`
[INFO] [stderr]    |                     no `Wake` in `task`. Did you mean to use `Waker`?
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `get_mut_unchecked` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]    --> src/future/future_obj.rs:176:45
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let mut_ref: &mut F = unsafe { Pin::get_mut_unchecked(Pin::as_mut(&mut self)) };
[INFO] [stderr]     |                                        -----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        function or associated item not found in `std::pin::Pin<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `get_mut_unchecked` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]    --> src/future/future_obj.rs:216:49
[INFO] [stderr]     |
[INFO] [stderr] 216 |             let mut_ref: &mut F = unsafe { Pin::get_mut_unchecked(Pin::as_mut(&mut self)) };
[INFO] [stderr]     |                                            -----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            function or associated item not found in `std::pin::Pin<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `P: std::marker::Unpin` is not satisfied in `std::pin::Pin<P>`
[INFO] [stderr]   --> src/stream/mod.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Pin::get_mut(self).as_mut().poll_next(lw)
[INFO] [stderr]    |         ^^^^^^^^^^^^ within `std::pin::Pin<P>`, the trait `std::marker::Unpin` is not implemented for `P`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `where P: std::marker::Unpin` bound
[INFO] [stderr]    = note: required because it appears within the type `std::pin::Pin<P>`
[INFO] [stderr]    = note: required by `<std::pin::Pin<&'a mut T>>::get_mut`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `get_mut_unchecked` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]   --> src/stream/mod.rs:96:24
[INFO] [stderr]    |
[INFO] [stderr] 96 |             match Pin::get_mut_unchecked(self) {
[INFO] [stderr]    |                   -----^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   function or associated item not found in `std::pin::Pin<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll_next` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]   --> src/stream/mod.rs:97:58
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 Either::Left(a) => Pin::new_unchecked(a).poll_next(lw),
[INFO] [stderr]    |                                                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: Pin::new_unchecked(a) is a function, perhaps you wish to call it
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following traits define an item `poll_next`, perhaps you need to implement one of them:
[INFO] [stderr]            candidate #1: `stream::stream_obj::UnsafeStreamObj`
[INFO] [stderr]            candidate #2: `stream::Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll_next` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]   --> src/stream/mod.rs:98:59
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 Either::Right(b) => Pin::new_unchecked(b).poll_next(lw),
[INFO] [stderr]    |                                                           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: Pin::new_unchecked(b) is a function, perhaps you wish to call it
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following traits define an item `poll_next`, perhaps you need to implement one of them:
[INFO] [stderr]            candidate #1: `stream::stream_obj::UnsafeStreamObj`
[INFO] [stderr]            candidate #2: `stream::Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `get_mut_unchecked` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]    --> src/stream/stream_obj.rs:178:23
[INFO] [stderr]     |
[INFO] [stderr] 178 |         unsafe { Pin::get_mut_unchecked(self) as *mut F as *mut () }
[INFO] [stderr]     |                  -----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  function or associated item not found in `std::pin::Pin<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `get_mut_unchecked` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]    --> src/stream/stream_obj.rs:218:49
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let mut_ref: &mut F = unsafe { Pin::get_mut_unchecked(Pin::as_mut(&mut self)) };
[INFO] [stderr]     |                                            -----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            function or associated item not found in `std::pin::Pin<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::task::LocalWaker`
[INFO] [stderr]  --> src/future/future_obj.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     task::{LocalWaker, Poll},
[INFO] [stderr]   |            ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `core::task::LocalWaker`, `core::task::UnsafeWake`
[INFO] [stderr]  --> src/task/mod.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub use core::task::{Poll, Waker, LocalWaker, UnsafeWake};
[INFO] [stderr]   |                                   ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stderr]   |                                   |
[INFO] [stderr]   |                                   no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::task::Wake`, `std::task::local_waker`, `std::task::local_waker_from_nonlocal`
[INFO] [stderr]   --> src/task/mod.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stderr]    |                     ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stderr]    |                     |     |
[INFO] [stderr]    |                     |     no `local_waker` in `task`
[INFO] [stderr]    |                     no `Wake` in `task`. Did you mean to use `Waker`?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0277, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `futures-core-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no function or associated item named `get_mut_unchecked` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]    --> src/future/future_obj.rs:176:45
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let mut_ref: &mut F = unsafe { Pin::get_mut_unchecked(Pin::as_mut(&mut self)) };
[INFO] [stderr]     |                                        -----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        function or associated item not found in `std::pin::Pin<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `get_mut_unchecked` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]    --> src/future/future_obj.rs:216:49
[INFO] [stderr]     |
[INFO] [stderr] 216 |             let mut_ref: &mut F = unsafe { Pin::get_mut_unchecked(Pin::as_mut(&mut self)) };
[INFO] [stderr]     |                                            -----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            function or associated item not found in `std::pin::Pin<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `P: std::marker::Unpin` is not satisfied in `std::pin::Pin<P>`
[INFO] [stderr]   --> src/stream/mod.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Pin::get_mut(self).as_mut().poll_next(lw)
[INFO] [stderr]    |         ^^^^^^^^^^^^ within `std::pin::Pin<P>`, the trait `std::marker::Unpin` is not implemented for `P`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `where P: std::marker::Unpin` bound
[INFO] [stderr]    = note: required because it appears within the type `std::pin::Pin<P>`
[INFO] [stderr]    = note: required by `<std::pin::Pin<&'a mut T>>::get_mut`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `get_mut_unchecked` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]   --> src/stream/mod.rs:96:24
[INFO] [stderr]    |
[INFO] [stderr] 96 |             match Pin::get_mut_unchecked(self) {
[INFO] [stderr]    |                   -----^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   function or associated item not found in `std::pin::Pin<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll_next` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]   --> src/stream/mod.rs:97:58
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 Either::Left(a) => Pin::new_unchecked(a).poll_next(lw),
[INFO] [stderr]    |                                                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: Pin::new_unchecked(a) is a function, perhaps you wish to call it
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following traits define an item `poll_next`, perhaps you need to implement one of them:
[INFO] [stderr]            candidate #1: `stream::stream_obj::UnsafeStreamObj`
[INFO] [stderr]            candidate #2: `stream::Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `poll_next` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]   --> src/stream/mod.rs:98:59
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 Either::Right(b) => Pin::new_unchecked(b).poll_next(lw),
[INFO] [stderr]    |                                                           ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: Pin::new_unchecked(b) is a function, perhaps you wish to call it
[INFO] [stderr]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stderr]    = note: the following traits define an item `poll_next`, perhaps you need to implement one of them:
[INFO] [stderr]            candidate #1: `stream::stream_obj::UnsafeStreamObj`
[INFO] [stderr]            candidate #2: `stream::Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `get_mut_unchecked` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]    --> src/stream/stream_obj.rs:178:23
[INFO] [stderr]     |
[INFO] [stderr] 178 |         unsafe { Pin::get_mut_unchecked(self) as *mut F as *mut () }
[INFO] [stderr]     |                  -----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  function or associated item not found in `std::pin::Pin<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `get_mut_unchecked` found for type `std::pin::Pin<_>` in the current scope
[INFO] [stderr]    --> src/stream/stream_obj.rs:218:49
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let mut_ref: &mut F = unsafe { Pin::get_mut_unchecked(Pin::as_mut(&mut self)) };
[INFO] [stderr]     |                                            -----^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                            |
[INFO] [stderr]     |                                            function or associated item not found in `std::pin::Pin<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0277, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `futures-core-preview`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c704a3fac145c5c51aebe10499bc3024104b11d461d35d9cf02792677ab97fad"`
[INFO] running `"docker" "rm" "-f" "c704a3fac145c5c51aebe10499bc3024104b11d461d35d9cf02792677ab97fad"`
[INFO] [stdout] c704a3fac145c5c51aebe10499bc3024104b11d461d35d9cf02792677ab97fad