[INFO] updating cached repository https://github.com/balthild/doh-proxy-rs
[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] a9cfc319abaaae9901d6e5c2acad99b497263e94
[INFO] checking balthild/doh-proxy-rs against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalthild%2Fdoh-proxy-rs" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/balthild/doh-proxy-rs on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/balthild/doh-proxy-rs
[INFO] finished tweaking git repo https://github.com/balthild/doh-proxy-rs
[INFO] tweaked toml for git repo https://github.com/balthild/doh-proxy-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/balthild/doh-proxy-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ece952cd5e3c63edb5da06da8a9bbd4b3d406e41a9c102719263e29ea73056a1
[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" "ece952cd5e3c63edb5da06da8a9bbd4b3d406e41a9c102719263e29ea73056a1"`
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling proc-macro-nested v0.1.2
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.12
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking openssl-sys v0.9.40
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[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] 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" "ece952cd5e3c63edb5da06da8a9bbd4b3d406e41a9c102719263e29ea73056a1"`
[INFO] running `"docker" "rm" "-f" "ece952cd5e3c63edb5da06da8a9bbd4b3d406e41a9c102719263e29ea73056a1"`
[INFO] [stdout] ece952cd5e3c63edb5da06da8a9bbd4b3d406e41a9c102719263e29ea73056a1
