Aug 11 10:03:27.892 INFO checking lazy-pool-0.2.2 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 11 10:03:27.893 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 10:03:27.893 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 11 10:03:27.893 INFO running `"docker" "create" "-v" "/tmp/crater.Q0a5ZvOlyt6Z:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-4/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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 +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 10:03:28.110 INFO blam! 19a8ecc577338412fb2da3aa083b6b15992dfacf4874de009423185754dbd9dc
Aug 11 10:03:28.112 INFO running `"docker" "start" "-a" "19a8ecc577338412fb2da3aa083b6b15992dfacf4874de009423185754dbd9dc"`
Aug 11 10:03:29.888 INFO kablam!     Checking lazy-pool v0.2.2 (file:///source)
Aug 11 10:03:29.888 INFO kablam!    Compiling syn v0.14.7
Aug 11 10:03:30.715 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 10:03:30.715 INFO kablam!  --> src/lib.rs:1:24
Aug 11 10:03:30.715 INFO kablam!   |
Aug 11 10:03:30.715 INFO kablam! 1 | #![feature(box_syntax, universal_impl_trait)]
Aug 11 10:03:30.715 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^
Aug 11 10:03:30.715 INFO kablam!   |
Aug 11 10:03:30.715 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 11 10:03:30.715 INFO kablam! 
Aug 11 10:03:30.715 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Aug 11 10:03:30.715 INFO kablam!  --> src/lib.rs:2:12
Aug 11 10:03:30.715 INFO kablam!   |
Aug 11 10:03:30.715 INFO kablam! 2 | #![feature(proc_macro, conservative_impl_trait, generators)]
Aug 11 10:03:30.715 INFO kablam!   |            ^^^^^^^^^^
Aug 11 10:03:30.715 INFO kablam! 
Aug 11 10:03:30.715 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 10:03:30.715 INFO kablam!  --> src/lib.rs:2:24
Aug 11 10:03:30.715 INFO kablam!   |
Aug 11 10:03:30.715 INFO kablam! 2 | #![feature(proc_macro, conservative_impl_trait, generators)]
Aug 11 10:03:30.715 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 10:03:30.715 INFO kablam! 
Aug 11 10:03:54.652 INFO kablam!    Compiling futures-await-async-macro v0.1.4
Aug 11 10:04:04.212 INFO kablam!     Checking futures-await v0.1.1
Aug 11 10:04:05.182 INFO kablam! error[E0658]: procedural macros cannot be expanded to expressions (see issue #38356)
Aug 11 10:04:05.183 INFO kablam!    --> src/lib.rs:335:13
Aug 11 10:04:05.183 INFO kablam!     |
Aug 11 10:04:05.183 INFO kablam! 335 | /             async_block!{
Aug 11 10:04:05.183 INFO kablam! 336 | |                 await!(holder.get_member_value())
Aug 11 10:04:05.183 INFO kablam! 337 | |             };
Aug 11 10:04:05.183 INFO kablam!     | |_____________^
Aug 11 10:04:05.183 INFO kablam!     |
Aug 11 10:04:05.183 INFO kablam!     = help: add #![feature(proc_macro_non_items)] to the crate attributes to enable
Aug 11 10:04:05.183 INFO kablam! 
Aug 11 10:04:05.188 INFO kablam! error: aborting due to previous error
Aug 11 10:04:05.188 INFO kablam! 
Aug 11 10:04:05.188 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 11 10:04:05.198 INFO kablam! error: Could not compile `lazy-pool`.
Aug 11 10:04:05.198 INFO kablam! 
Aug 11 10:04:05.199 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 10:04:05.200 INFO kablam! su: No module specific data is present
Aug 11 10:04:06.185 INFO running `"docker" "rm" "-f" "19a8ecc577338412fb2da3aa083b6b15992dfacf4874de009423185754dbd9dc"`
Aug 11 10:04:06.348 INFO blam! 19a8ecc577338412fb2da3aa083b6b15992dfacf4874de009423185754dbd9dc