[INFO] crate futures 0.3.1 is already in cache
[INFO] checking futures-0.3.1 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] extracting crate futures 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate futures 0.3.1 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate futures 0.3.1
[INFO] finished tweaking crates.io crate futures 0.3.1
[INFO] tweaked toml for crates.io crate futures 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 5d14959348e6f0f2454632017cb53aafe25f0b9eb31ad2e19073642780e94f9a
[INFO] running `"docker" "start" "-a" "5d14959348e6f0f2454632017cb53aafe25f0b9eb31ad2e19073642780e94f9a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/oneshot.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures_test::future::FutureTestExt;
[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::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:13:38
[INFO] [stderr]    |
[INFO] [stderr] 13 |     rx1.map_ok(move |x| tx2.send(x)).run_in_background();
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:13:16: 13:36 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:24:16: 24:45 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:24:47
[INFO] [stderr]    |
[INFO] [stderr] 24 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:24:16: 24:45 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:33:16: 33:45 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:33:47
[INFO] [stderr]    |
[INFO] [stderr] 33 |     rx1.map_ok(move |x| tx2.send(x).unwrap()).run_in_background();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::map_ok::MapOk<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:33:16: 33:45 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_test`
[INFO] [stderr]  --> tests/io_lines.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_lines.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[E0599]: no method named `run_in_background` found for type `futures_util::future::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:44:13: 44:52 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:44:54
[INFO] [stderr]    |
[INFO] [stderr] 44 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:44:13: 44:52 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:55:13: 55:52 tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/oneshot.rs:55:54
[INFO] [stderr]    |
[INFO] [stderr] 55 |     rx1.map(move |result| tx2.send(result).unwrap()).run_in_background();
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map<futures_channel::oneshot::Receiver<i32>, [closure@tests/oneshot.rs:55:13: 55:52 tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `futures`.
[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/eager_drop.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[E0599]: no method named `run_in_background` found for type `futures_util::future::future::map::Map<futures_util::future::try_future::map_ok::MapOk<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/eager_drop.rs:17:17: 17:71 tx1:_]>, [closure@tests/eager_drop.rs:18:14: 21:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:22:10
[INFO] [stderr]    |
[INFO] [stderr] 22 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map<futures_util::future::try_future::map_ok::MapOk<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/eager_drop.rs:17:17: 17:71 tx1:_]>, [closure@tests/eager_drop.rs:18:14: 21:10 rx1:_, tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::future::map::Map<futures_util::future::try_future::map_err::MapErr<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/eager_drop.rs:35:18: 35:72 tx1:_]>, [closure@tests/eager_drop.rs:36:14: 39:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::map::Map<futures_util::future::try_future::map_err::MapErr<futures_util::future::ready::Ready<std::result::Result<i32, i32>>, [closure@tests/eager_drop.rs:35:18: 35:72 tx1:_]>, [closure@tests/eager_drop.rs:36:14: 39:10 rx1:_, tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::future::then::Then<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<()>, [closure@tests/eager_drop.rs:68:57: 68:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<()>, [closure@tests/eager_drop.rs:69:15: 73:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:74:10
[INFO] [stderr]    |
[INFO] [stderr] 74 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::future::then::Then<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<()>, [closure@tests/eager_drop.rs:68:57: 68:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<()>, [closure@tests/eager_drop.rs:69:15: 73:10 rx1:_, tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::try_future::and_then::AndThen<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:88:19: 92:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]   --> tests/eager_drop.rs:93:10
[INFO] [stderr]    |
[INFO] [stderr] 93 |         .run_in_background();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::and_then::AndThen<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:87:57: 87:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:88:19: 92:10 rx1:_, tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `run_in_background` found for type `futures_util::future::try_future::or_else::OrElse<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:107:18: 111:10 rx1:_, tx2:_]>` in the current scope
[INFO] [stderr]    --> tests/eager_drop.rs:112:10
[INFO] [stderr]     |
[INFO] [stderr] 112 |         .run_in_background();
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^ method not found in `futures_util::future::try_future::or_else::OrElse<FutureData<futures_util::future::try_future::unwrap_or_else::UnwrapOrElse<futures_channel::oneshot::Receiver<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:106:57: 106:73]>, std::sync::mpsc::Sender<()>>, futures_util::future::ready::Ready<std::result::Result<(), ()>>, [closure@tests/eager_drop.rs:107:18: 111:10 rx1:_, tx2:_]>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `futures`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0425]: cannot find function `noop_context` in this scope
[INFO] [stderr]   --> tests/io_lines.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[E0599]: no method named `interleave_pending` found for type `futures_util::stream::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::stream::map::Map<futures_util::stream::iter::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope
[INFO] [stderr]   --> tests/io_lines.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 |         .interleave_pending();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^ method not found in `futures_util::stream::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::stream::map::Map<futures_util::stream::iter::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `interleave_pending` found for type `futures_util::stream::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::stream::map::Map<futures_util::stream::iter::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::Error>::Ok}>>` in the current scope
[INFO] [stderr]   --> tests/io_lines.rs:57:10
[INFO] [stderr]    |
[INFO] [stderr] 57 |         .interleave_pending();
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^ method not found in `futures_util::stream::try_stream::into_async_read::IntoAsyncRead<futures_util::stream::stream::map::Map<futures_util::stream::iter::Iter<std::vec::IntoIter<&[u8]>>, fn(&[u8]) -> std::result::Result<&[u8], std::io::Error> {std::result::Result::<&[u8], std::io::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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5d14959348e6f0f2454632017cb53aafe25f0b9eb31ad2e19073642780e94f9a"`
[INFO] running `"docker" "rm" "-f" "5d14959348e6f0f2454632017cb53aafe25f0b9eb31ad2e19073642780e94f9a"`
[INFO] [stdout] 5d14959348e6f0f2454632017cb53aafe25f0b9eb31ad2e19073642780e94f9a