[INFO] updating cached repository https://github.com/daviswahl/rats
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6f87842a728516f755800efda299e4637502182
[INFO] checking daviswahl/rats against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviswahl%2Frats" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daviswahl/rats on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/daviswahl/rats
[INFO] finished tweaking git repo https://github.com/daviswahl/rats
[INFO] tweaked toml for git repo https://github.com/daviswahl/rats written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/daviswahl/rats already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a870cb89146439b3240c8b71094ae6dd9b2dd2ec3341d609712c850d6e5642f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a870cb89146439b3240c8b71094ae6dd9b2dd2ec3341d609712c850d6e5642f1"`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.1
[INFO] [stderr] error[E0432]: unresolved import `core::mem::PinMut`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/future.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::mem::PinMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `mem`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `core::future::FutureObj`, `core::future::LocalFutureObj`, `core::future::UnsafeFutureObj`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/future.rs:6:32
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use core::future::{Future, FutureObj, LocalFutureObj, UnsafeFutureObj};
[INFO] [stderr]   |                                ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^ no `UnsafeFutureObj` in `future`
[INFO] [stderr]   |                                |          |
[INFO] [stderr]   |                                |          no `LocalFutureObj` in `future`
[INFO] [stderr]   |                                no `FutureObj` in `future`
[INFO] [stderr]   |                                help: a similar name exists in the module: `Future`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `core::mem::PinMut`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/stream.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use core::mem::PinMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `PinMut` in `mem`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `core::task::Executor`, `core::task::LocalWaker`, `core::task::UnsafeWake`, `core::task::SpawnErrorKind`, `core::task::SpawnObjError`, `core::task::SpawnLocalObjError`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/task.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Context, Poll, Executor,
[INFO] [stderr]   |                    ^^^^^^^^ no `Executor` in `task`
[INFO] [stderr] 5 |     Waker, LocalWaker, UnsafeWake,
[INFO] [stderr]   |            ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stderr]   |            |
[INFO] [stderr]   |            no `LocalWaker` in `task`
[INFO] [stderr] 6 |     SpawnErrorKind, SpawnObjError, SpawnLocalObjError,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^ no `SpawnLocalObjError` in `task`
[INFO] [stderr]   |     |               |
[INFO] [stderr]   |     |               no `SpawnObjError` in `task`
[INFO] [stderr]   |     no `SpawnErrorKind` in `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::PinBox`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.1/src/stream.rs:128:27
[INFO] [stderr]     |
[INFO] [stderr] 128 |     use std::boxed::{Box, PinBox};
[INFO] [stderr]     |                           ^^^^^^ no `PinBox` in `boxed`
[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.1/src/task.rs:10:31
[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.1/src/task.rs:10:25
[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] error: aborting due to 7 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] running `"docker" "inspect" "a870cb89146439b3240c8b71094ae6dd9b2dd2ec3341d609712c850d6e5642f1"`
[INFO] running `"docker" "rm" "-f" "a870cb89146439b3240c8b71094ae6dd9b2dd2ec3341d609712c850d6e5642f1"`
[INFO] [stdout] a870cb89146439b3240c8b71094ae6dd9b2dd2ec3341d609712c850d6e5642f1
