[INFO] fetching crate futures-preview 0.3.0-alpha.19...
[INFO] checking futures-preview-0.3.0-alpha.19 against try#8810c24b0958114d8dbb32d878444e8956fce80f for pr-66063
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain 8810c24b0958114d8dbb32d878444e8956fce80f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate futures-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-preview 0.3.0-alpha.19 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-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" "+8810c24b0958114d8dbb32d878444e8956fce80f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58d24e7432c226e1d7851740839dafd4d6cdd138497014d06d8cf2be09b1b994
[INFO] running `"docker" "start" "-a" "58d24e7432c226e1d7851740839dafd4d6cdd138497014d06d8cf2be09b1b994"`
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[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[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 `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[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/stream_select_next_some.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] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/stream_select_next_some.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | 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:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use futures::{future, select};
[INFO] [stderr]   |                       ^^^^^^ no `select` in the root
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures_util::select`
[INFO] [stderr]   --> tests/stream_select_next_some.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     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:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             select! {
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0433.
[INFO] [stderr] error: cannot determine resolution for the macro `select`
[INFO] [stderr]   --> tests/stream_select_next_some.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             select! {
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[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 `new_count_waker` in this scope
[INFO] [stderr]   --> tests/stream_select_next_some.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 |     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:39:40
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let mut fut = future::ready(1).pending_once();
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<{integer}>`
[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[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:68:40
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let mut fut = future::ready(1).pending_once();
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ method not found in `futures_util::future::ready::Ready<{integer}>`
[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: 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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "58d24e7432c226e1d7851740839dafd4d6cdd138497014d06d8cf2be09b1b994"`
[INFO] running `"docker" "rm" "-f" "58d24e7432c226e1d7851740839dafd4d6cdd138497014d06d8cf2be09b1b994"`
[INFO] [stdout] 58d24e7432c226e1d7851740839dafd4d6cdd138497014d06d8cf2be09b1b994