[INFO] crate futures-preview 0.3.0-alpha.18 is already in cache
[INFO] checking futures-preview-0.3.0-alpha.18 against master#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327
[INFO] extracting crate futures-preview 0.3.0-alpha.18 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.18 on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate futures-preview 0.3.0-alpha.18
[INFO] finished tweaking crates.io crate futures-preview 0.3.0-alpha.18
[INFO] tweaked toml for crates.io crate futures-preview 0.3.0-alpha.18 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0b2c957a4bf89e25e6df6ea14631c5d4ad4c54f80b890bbc2a4bd85f15ebce69
[INFO] running `"docker" "start" "-a" "0b2c957a4bf89e25e6df6ea14631c5d4ad4c54f80b890bbc2a4bd85f15ebce69"`
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/unfold.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | 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/io_buf_writer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures_test::task::noop_context;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures_test`
[INFO] [stderr]  --> tests/unfold.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures_test::{
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `assert_stream_pending`
[INFO] [stderr]   --> tests/unfold.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert_stream_pending!(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/unfold.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     assert_stream_next!(stream, 0);
[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_pending`
[INFO] [stderr]   --> tests/unfold.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     assert_stream_pending!(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/unfold.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     assert_stream_next!(stream, 2);
[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_pending`
[INFO] [stderr]   --> tests/unfold.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     assert_stream_pending!(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/unfold.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     assert_stream_next!(stream, 4);
[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_pending`
[INFO] [stderr]   --> tests/unfold.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     assert_stream_pending!(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/unfold.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     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_context` in this scope
[INFO] [stderr]    --> tests/io_buf_writer.rs:112:18
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let mut cx = noop_context();
[INFO] [stderr]     |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `pending_once` found for type `futures_util::future::ready::Ready<std::option::Option<({integer}, {integer})>>` in the current scope
[INFO] [stderr]   --> tests/unfold.rs:13:57
[INFO] [stderr]    |
[INFO] [stderr] 13 |             future::ready(Some((state * 2, state + 1))).pending_once()
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<std::option::Option<({integer}, {integer})>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `pending_once` found for type `futures_util::future::ready::Ready<std::option::Option<_>>` in the current scope
[INFO] [stderr]   --> tests/unfold.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 15 |             future::ready(None).pending_once()
[INFO] [stderr]    |                                 ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<std::option::Option<_>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[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/stream_select_next_some.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | 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/stream_select_next_some.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use futures_test::task::new_count_waker;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures::select`
[INFO] [stderr]  --> tests/stream_select_next_some.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{future, select};
[INFO] [stderr]   |                       ^^^^^^ no `select` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures_util::select`
[INFO] [stderr]   --> tests/stream_select_next_some.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     use futures_util::select;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ no `select` in the root
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the macro `select`
[INFO] [stderr]   --> tests/stream_select_next_some.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             select! {
[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 `select`
[INFO] [stderr]   --> tests/stream_select_next_some.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             select! {
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error[E0425]: cannot find function `new_count_waker` in this scope
[INFO] [stderr]   --> tests/stream_select_next_some.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let (waker, counter) = new_count_waker();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `futures-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `pending_once` found for type `futures_util::future::ready::Ready<{integer}>` in the current scope
[INFO] [stderr]   --> tests/stream_select_next_some.rs:41:40
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut fut = future::ready(1).pending_once();
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<{integer}>`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> tests/stream_select_next_some.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         assert_eq!(total, 6);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `pending_once` found for type `futures_util::future::ready::Ready<{integer}>` in the current scope
[INFO] [stderr]   --> tests/stream_select_next_some.rs:70:40
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut fut = future::ready(1).pending_once();
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<{integer}>`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> tests/stream_select_next_some.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         assert_eq!(total, 6);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: 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] 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/abortable.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures_test::task::new_count_waker;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `new_count_waker` in this scope
[INFO] [stderr]   --> tests/abortable.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let (waker, counter) = new_count_waker();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: 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] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/futures_ordered.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use futures_test::task::noop_context;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]   --> tests/futures_ordered.rs:17:41
[INFO] [stderr]    |
[INFO] [stderr] 17 |     assert!(stream.poll_next_unpin(&mut noop_context()).is_pending());
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]   --> tests/futures_ordered.rs:40:18
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut cx = noop_context();
[INFO] [stderr]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]   --> tests/futures_ordered.rs:73:19
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let cx = &mut noop_context();
[INFO] [stderr]    |                   ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433.
[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" "0b2c957a4bf89e25e6df6ea14631c5d4ad4c54f80b890bbc2a4bd85f15ebce69"`
[INFO] running `"docker" "rm" "-f" "0b2c957a4bf89e25e6df6ea14631c5d4ad4c54f80b890bbc2a4bd85f15ebce69"`
[INFO] [stdout] 0b2c957a4bf89e25e6df6ea14631c5d4ad4c54f80b890bbc2a4bd85f15ebce69