[INFO] crate futures-preview 0.3.0-alpha.18 is already in cache
[INFO] checking futures-preview-0.3.0-alpha.18 against try#b19afc12c4f781e95f168f2fdea339c972f14ae2 for pr-64327
[INFO] extracting crate futures-preview 0.3.0-alpha.18 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.18 on toolchain b19afc12c4f781e95f168f2fdea339c972f14ae2-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-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-7/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/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" "+b19afc12c4f781e95f168f2fdea339c972f14ae2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 49a7e271957d0880983af69c2d2e784d04e92b270025f65516094346fc842065
[INFO] running `"docker" "start" "-a" "49a7e271957d0880983af69c2d2e784d04e92b270025f65516094346fc842065"`
[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/stream_select_all.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | 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/stream_select_all.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut cx = noop_context();
[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] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> tests/join_all.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[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/io_read_line.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures_test::io::AsyncReadTestExt;
[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_read_line.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | 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/io_read_line.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut cx = noop_context();
[INFO] [stderr]    |                  ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[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[E0599]: no method named `interleave_pending` found for type `&'static [u8; 2]` in the current scope
[INFO] [stderr]   --> tests/io_read_line.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut buf = b"12".interleave_pending();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ method not found in `&'static [u8; 2]`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `interleave_pending` found for type `futures_util::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::map::Map<futures_util::stream::iter::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::error::Error> {std::result::Result::<&[u8], std::io::error::Error>::Ok}>>` in the current scope
[INFO] [stderr]   --> tests/io_read_line.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 |         .interleave_pending();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^ method not found in `futures_util::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::map::Map<futures_util::stream::iter::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::error::Error> {std::result::Result::<&[u8], std::io::error::Error>::Ok}>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, 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: 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/sink.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures_test::task::panic_context;
[INFO] [stderr]   |     ^^^^^^^^^^^^ use of undeclared type or module `futures_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stderr]   --> tests/sink.rs:24:34
[INFO] [stderr]    |
[INFO] [stderr] 24 |     match s.poll_next_unpin(&mut panic_context()) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stderr]    --> tests/sink.rs:453:23
[INFO] [stderr]     |
[INFO] [stderr] 453 |         let cx = &mut panic_context();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `panic_context` in this scope
[INFO] [stderr]    --> tests/sink.rs:479:23
[INFO] [stderr]     |
[INFO] [stderr] 479 |         let cx = &mut panic_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" "49a7e271957d0880983af69c2d2e784d04e92b270025f65516094346fc842065"`
[INFO] running `"docker" "rm" "-f" "49a7e271957d0880983af69c2d2e784d04e92b270025f65516094346fc842065"`
[INFO] [stdout] 49a7e271957d0880983af69c2d2e784d04e92b270025f65516094346fc842065