Dec 03 20:03:33.032 INFO testing actix-web-async-await-0.2.0 against 1.30.1 for beta-1.31-5
Dec 03 20:03:33.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 20:03:33.503 INFO [stdout] 05c7008b751157f09ab88c7f8fe00dfc8f656a725187eb95830fbaef3c2a4e0a
Dec 03 20:03:33.505 INFO running `"docker" "start" "-a" "05c7008b751157f09ab88c7f8fe00dfc8f656a725187eb95830fbaef3c2a4e0a"`
Dec 03 20:03:35.730 INFO [stderr] usermod: no changes
Dec 03 20:03:36.271 INFO [stderr]    Compiling futures v0.1.25
Dec 03 20:03:37.305 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 20:03:37.305 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/src/lib.rs:161:34
Dec 03 20:03:37.305 INFO [stderr]     |
Dec 03 20:03:37.305 INFO [stderr] 161 | #![cfg_attr(feature = "nightly", feature(pin))]
Dec 03 20:03:37.305 INFO [stderr]     |                                  ^^^^^^^^^^^^^
Dec 03 20:03:37.305 INFO [stderr] 
Dec 03 20:03:37.340 INFO [stderr] error: aborting due to previous error
Dec 03 20:03:37.340 INFO [stderr] 
Dec 03 20:03:37.340 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 20:03:37.360 INFO [stderr] error: Could not compile `futures`.
Dec 03 20:03:37.360 INFO [stderr] 
Dec 03 20:03:37.360 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 20:03:37.362 INFO [stderr] su: No module specific data is present
Dec 03 20:03:38.735 INFO running `"docker" "inspect" "05c7008b751157f09ab88c7f8fe00dfc8f656a725187eb95830fbaef3c2a4e0a"`
Dec 03 20:03:39.115 INFO running `"docker" "rm" "-f" "05c7008b751157f09ab88c7f8fe00dfc8f656a725187eb95830fbaef3c2a4e0a"`
Dec 03 20:03:39.467 INFO [stdout] 05c7008b751157f09ab88c7f8fe00dfc8f656a725187eb95830fbaef3c2a4e0a