[INFO] crate futures-preview 0.3.0-alpha.10 is already in cache
[INFO] extracting crate futures-preview 0.3.0-alpha.10 into work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/futures-preview/0.3.0-alpha.10
[INFO] extracting crate futures-preview 0.3.0-alpha.10 into work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/futures-preview/0.3.0-alpha.10
[INFO] validating manifest of futures-preview-0.3.0-alpha.10 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of futures-preview-0.3.0-alpha.10 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing futures-preview-0.3.0-alpha.10
[INFO] finished frobbing futures-preview-0.3.0-alpha.10
[INFO] frobbed toml for futures-preview-0.3.0-alpha.10 written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/futures-preview/0.3.0-alpha.10/Cargo.toml
[INFO] started frobbing futures-preview-0.3.0-alpha.10
[INFO] finished frobbing futures-preview-0.3.0-alpha.10
[INFO] frobbed toml for futures-preview-0.3.0-alpha.10 written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/futures-preview/0.3.0-alpha.10/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking futures-preview-0.3.0-alpha.10 against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-6/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/futures-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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 49b80d3b88b2f95a47e227cac422fc0f9237bb9e5b6f5b27850b5c126091b0a4
[INFO] running `"docker" "start" "-a" "49b80d3b88b2f95a47e227cac422fc0f9237bb9e5b6f5b27850b5c126091b0a4"`
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.10 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | #![feature(pin, arbitrary_self_types, futures_api)]
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | #![feature(pin, arbitrary_self_types, futures_api)]
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/abortable.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures_test::task::WakeCounter;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `WakeCounter`
[INFO] [stderr]   --> tests/abortable.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let wake_counter = WakeCounter::new();
[INFO] [stderr]    |                        ^^^^^^^^^^^ use of undeclared type or module `WakeCounter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_test::task::WakeCounter`
[INFO] [stderr]  --> tests/abortable.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures_test::task::WakeCounter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/oneshot.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_test::future::FutureTestExt`
[INFO] [stderr]  --> tests/oneshot.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/fuse.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures_test::task::panic_local_waker;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:15:16: 15:36 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:15:38
[INFO] [stderr]    |
[INFO] [stderr] 15 |     rx1.map_ok(move |x| tx2.send(x)).run_in_background();
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:26:16: 26:45 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:26:47
[INFO] [stderr]    |
[INFO] [stderr] 26 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> tests/shared.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(pin, arbitrary_self_types, futures_api)]
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:35:16: 35:45 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:35:47
[INFO] [stderr]    |
[INFO] [stderr] 35 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:46:13: 46:52 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:46:54
[INFO] [stderr]    |
[INFO] [stderr] 46 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> tests/io_read_exact.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(pin, arbitrary_self_types, futures_api)]
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:57:13: 57:52 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:57:54
[INFO] [stderr]    |
[INFO] [stderr] 57 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0425]: cannot find function `panic_local_waker` in this scope
[INFO] [stderr]  --> tests/fuse.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let lw = &mut panic_local_waker();
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_test::task::panic_local_waker`
[INFO] [stderr]  --> tests/fuse.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures_test::task::panic_local_waker;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: trait `Unpin` is private
[INFO] [stderr]   --> tests/join_all.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::pin::Unpin;
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0603`.
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> tests/recurse.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(pin, arbitrary_self_types, futures_api)]
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/futures_unordered.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]   --> tests/futures_unordered.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use futures_test::task::noop_local_waker_ref;
[INFO] [stderr]    |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures_test`
[INFO] [stderr]  --> tests/futures_unordered.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use futures_test::{assert_stream_done, assert_stream_next};
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stderr]    --> tests/futures_unordered.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     assert_stream_next!(stream, ());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stderr]    --> tests/futures_unordered.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     assert_stream_next!(stream, ());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_next`
[INFO] [stderr]    --> tests/futures_unordered.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     assert_stream_next!(stream, ());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_done`
[INFO] [stderr]    --> tests/futures_unordered.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     assert_stream_done!(stream);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_local_waker_ref` in this scope
[INFO] [stderr]   --> tests/futures_unordered.rs:45:15
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let lw = &noop_local_waker_ref();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 3  | use futures::task::noop_local_waker_ref;
[INFO] [stderr]    |
[INFO] [stderr] 3  | use futures_util::task::noop_local_waker_ref;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_test::future::FutureTestExt`
[INFO] [stderr]  --> tests/futures_unordered.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures_test::future::FutureTestExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_test::task::noop_local_waker_ref`
[INFO] [stderr]   --> tests/futures_unordered.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use futures_test::task::noop_local_waker_ref;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `pending_once` found for type `futures_util::future::ready::Ready<()>` in the current scope
[INFO] [stderr]    --> tests/futures_unordered.rs:135:33
[INFO] [stderr]     |
[INFO] [stderr] 135 |     let fut = future::ready(()).pending_once().assert_unmoved();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0425, E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "49b80d3b88b2f95a47e227cac422fc0f9237bb9e5b6f5b27850b5c126091b0a4"`
[INFO] running `"docker" "rm" "-f" "49b80d3b88b2f95a47e227cac422fc0f9237bb9e5b6f5b27850b5c126091b0a4"`
[INFO] [stdout] 49b80d3b88b2f95a47e227cac422fc0f9237bb9e5b6f5b27850b5c126091b0a4