Aug 11 10:03:28.444 INFO checking lazy-pool-0.2.2 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 10:03:28.445 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 10:03:28.445 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 10:03:28.445 INFO running `"docker" "create" "-v" "/tmp/crater.kIpurW9Zu8Cz:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-1/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 10:03:28.717 INFO blam! c930a33937fb55133cfe574dd889a8fa02b56b4dfca838ab7fac7c45e535bf4e
Aug 11 10:03:28.719 INFO running `"docker" "start" "-a" "c930a33937fb55133cfe574dd889a8fa02b56b4dfca838ab7fac7c45e535bf4e"`
Aug 11 10:03:30.537 INFO kablam!     Checking lazy-pool v0.2.2 (file:///source)
Aug 11 10:03:30.538 INFO kablam!    Compiling syn v0.14.7
Aug 11 10:03:31.519 INFO kablam! warning: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Aug 11 10:03:31.520 INFO kablam!  --> src/lib.rs:1:24
Aug 11 10:03:31.520 INFO kablam!   |
Aug 11 10:03:31.520 INFO kablam! 1 | #![feature(box_syntax, universal_impl_trait)]
Aug 11 10:03:31.520 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^
Aug 11 10:03:31.520 INFO kablam!   |
Aug 11 10:03:31.520 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 11 10:03:31.520 INFO kablam! 
Aug 11 10:03:31.520 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 11 10:03:31.520 INFO kablam!  --> src/lib.rs:2:12
Aug 11 10:03:31.520 INFO kablam!   |
Aug 11 10:03:31.520 INFO kablam! 2 | #![feature(proc_macro, conservative_impl_trait, generators)]
Aug 11 10:03:31.520 INFO kablam!   |            ^^^^^^^^^^
Aug 11 10:03:31.520 INFO kablam! 
Aug 11 10:03:31.520 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Aug 11 10:03:31.520 INFO kablam!  --> src/lib.rs:2:24
Aug 11 10:03:31.520 INFO kablam!   |
Aug 11 10:03:31.520 INFO kablam! 2 | #![feature(proc_macro, conservative_impl_trait, generators)]
Aug 11 10:03:31.520 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 10:03:31.520 INFO kablam! 
Aug 11 10:03:55.485 INFO kablam!    Compiling futures-await-async-macro v0.1.4
Aug 11 10:04:04.889 INFO kablam!     Checking futures-await v0.1.1
Aug 11 10:04:05.781 INFO kablam! error[E0658]: procedural macros cannot be expanded to expressions (see issue #38356)
Aug 11 10:04:05.781 INFO kablam!    --> src/lib.rs:335:13
Aug 11 10:04:05.781 INFO kablam!     |
Aug 11 10:04:05.781 INFO kablam! 335 | /             async_block!{
Aug 11 10:04:05.781 INFO kablam! 336 | |                 await!(holder.get_member_value())
Aug 11 10:04:05.781 INFO kablam! 337 | |             };
Aug 11 10:04:05.781 INFO kablam!     | |_____________^
Aug 11 10:04:05.781 INFO kablam!     |
Aug 11 10:04:05.781 INFO kablam!     = help: add #![feature(proc_macro_non_items)] to the crate attributes to enable
Aug 11 10:04:05.781 INFO kablam! 
Aug 11 10:04:05.788 INFO kablam! error: aborting due to previous error
Aug 11 10:04:05.788 INFO kablam! 
Aug 11 10:04:05.788 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 11 10:04:05.798 INFO kablam! error: Could not compile `lazy-pool`.
Aug 11 10:04:05.798 INFO kablam! 
Aug 11 10:04:05.798 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 10:04:05.800 INFO kablam! su: No module specific data is present
Aug 11 10:04:06.550 INFO running `"docker" "rm" "-f" "c930a33937fb55133cfe574dd889a8fa02b56b4dfca838ab7fac7c45e535bf4e"`
Aug 11 10:04:06.706 INFO blam! c930a33937fb55133cfe574dd889a8fa02b56b4dfca838ab7fac7c45e535bf4e