[INFO] cloning repository https://github.com/skade/async-await [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skade/async-await" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fasync-await"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fasync-await'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 90866b4824665ba35480f68ca2645b277227d06e [INFO] testing skade/async-await against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fasync-await" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skade/async-await on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/skade/async-await [INFO] finished tweaking git repo https://github.com/skade/async-await [INFO] tweaked toml for git repo https://github.com/skade/async-await written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/skade/async-await already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 05762ae17d5147875a8b5734fa09b9586fccb068a1cda6ac4af5df8cdd6fa00f [INFO] running `"docker" "start" "-a" "05762ae17d5147875a8b5734fa09b9586fccb068a1cda6ac4af5df8cdd6fa00f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest [INFO] [stderr] Compiling async-await v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: incorrect use of `await` [INFO] [stderr] --> src/main.rs:128:5 [INFO] [stderr] | [INFO] [stderr] 128 | await!(w); [INFO] [stderr] | ^^^^^^^^^ help: `await` is a postfix operation: `w.await` [INFO] [stderr] [INFO] [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(rust_2018_preview, async_await, await_macro, futures_api, pin, arbitrary_self_types)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/main.rs:1:44 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(rust_2018_preview, async_await, await_macro, futures_api, pin, arbitrary_self_types)] [INFO] [stderr] | ^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: subsumed by `.await` syntax [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::future::FutureObj` [INFO] [stderr] --> src/main.rs:3:27 [INFO] [stderr] | [INFO] [stderr] 3 | use std::future::{Future, FutureObj}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | | [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 `std::mem::PinMut` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::mem::PinMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ no `PinMut` in `mem` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `std::task::Executor`, `std::task::local_waker_from_nonlocal`, `std::task::SpawnErrorKind`, `std::task::SpawnObjError` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Executor as ExecutorTrait, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ no `Executor` in `task` [INFO] [stderr] 12 | local_waker_from_nonlocal, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task` [INFO] [stderr] 13 | Poll, [INFO] [stderr] 14 | SpawnErrorKind, [INFO] [stderr] | ^^^^^^^^^^^^^^ no `SpawnErrorKind` in `task` [INFO] [stderr] 15 | SpawnObjError, [INFO] [stderr] | ^^^^^^^^^^^^^ no `SpawnObjError` in `task` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `PinMut` in module `std::mem` [INFO] [stderr] --> src/main.rs:94:33 [INFO] [stderr] | [INFO] [stderr] 94 | fn poll(mut self: std::mem::PinMut, ctx: &mut std::task::Context) -> std::task::Poll<()> { [INFO] [stderr] | ^^^^^^ not found in `std::mem` [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(rust_2018_preview, async_await, await_macro, futures_api, pin, arbitrary_self_types)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors; 1 warning emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0554, E0557, E0705. [INFO] [stderr] For more information about an error, try `rustc --explain E0412`. [INFO] [stderr] error: could not compile `async-await`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "05762ae17d5147875a8b5734fa09b9586fccb068a1cda6ac4af5df8cdd6fa00f"` [INFO] running `"docker" "rm" "-f" "05762ae17d5147875a8b5734fa09b9586fccb068a1cda6ac4af5df8cdd6fa00f"` [INFO] [stdout] 05762ae17d5147875a8b5734fa09b9586fccb068a1cda6ac4af5df8cdd6fa00f