[INFO] crate tokio-async-await-test 0.1.0 is already in cache
[INFO] checking tokio-async-await-test-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate tokio-async-await-test 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tokio-async-await-test 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-async-await-test 0.1.0
[INFO] finished tweaking crates.io crate tokio-async-await-test 0.1.0
[INFO] tweaked toml for crates.io crate tokio-async-await-test 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 8be13eb3f9d0f997d67680f6b8ba7cb9c1fa56fc64d8c637e708360135fb5c76
[INFO] running `"docker" "start" "-a" "8be13eb3f9d0f997d67680f6b8ba7cb9c1fa56fc64d8c637e708360135fb5c76"`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.12
[INFO] [stderr] error[E0432]: unresolved import `core::task::LocalWaker`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/future/future_obj.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     task::{LocalWaker, Poll},
[INFO] [stderr]   |            ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `core::task::LocalWaker`, `core::task::UnsafeWake`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub use core::task::{Poll, Waker, LocalWaker, UnsafeWake};
[INFO] [stderr]   |                                   ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stderr]   |                                   |
[INFO] [stderr]   |                                   no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::task::local_waker`, `std::task::local_waker_from_nonlocal`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stderr]    |                           ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           no `local_waker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'wake_trait'
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #69912 <https://github.com/rust-lang/rust/issues/69912> for more information
[INFO] [stderr]    = help: add `#![feature(wake_trait)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `futures-core-preview`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8be13eb3f9d0f997d67680f6b8ba7cb9c1fa56fc64d8c637e708360135fb5c76"`
[INFO] running `"docker" "rm" "-f" "8be13eb3f9d0f997d67680f6b8ba7cb9c1fa56fc64d8c637e708360135fb5c76"`
[INFO] [stdout] 8be13eb3f9d0f997d67680f6b8ba7cb9c1fa56fc64d8c637e708360135fb5c76