Sep 01 15:42:14.908 INFO checking lazy-pool-0.2.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 15:42:14.908 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 15:42:14.908 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 15:42:15.078 INFO blam! 74d8a48fb90efeee907191a65053aebfaaa91c1e636eb9a80114dbf790ed9696
Sep 01 15:42:15.080 INFO running `"docker" "start" "-a" "74d8a48fb90efeee907191a65053aebfaaa91c1e636eb9a80114dbf790ed9696"`
Sep 01 15:42:15.789 INFO kablam!     Checking lazy-pool v0.2.2 (file:///source)
Sep 01 15:42:16.564 INFO kablam! warning: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 01 15:42:16.564 INFO kablam!  --> src/lib.rs:1:24
Sep 01 15:42:16.564 INFO kablam!   |
Sep 01 15:42:16.564 INFO kablam! 1 | #![feature(box_syntax, universal_impl_trait)]
Sep 01 15:42:16.564 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^
Sep 01 15:42:16.564 INFO kablam!   |
Sep 01 15:42:16.564 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 15:42:16.564 INFO kablam! 
Sep 01 15:42:16.564 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 01 15:42:16.564 INFO kablam!  --> src/lib.rs:2:12
Sep 01 15:42:16.564 INFO kablam!   |
Sep 01 15:42:16.564 INFO kablam! 2 | #![feature(proc_macro, conservative_impl_trait, generators)]
Sep 01 15:42:16.564 INFO kablam!   |            ^^^^^^^^^^
Sep 01 15:42:16.564 INFO kablam! 
Sep 01 15:42:16.565 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 01 15:42:16.565 INFO kablam!  --> src/lib.rs:2:24
Sep 01 15:42:16.565 INFO kablam!   |
Sep 01 15:42:16.565 INFO kablam! 2 | #![feature(proc_macro, conservative_impl_trait, generators)]
Sep 01 15:42:16.565 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 15:42:16.565 INFO kablam! 
Sep 01 15:42:16.803 INFO kablam! error[E0658]: procedural macros cannot be expanded to expressions (see issue #38356)
Sep 01 15:42:16.803 INFO kablam!    --> src/lib.rs:335:13
Sep 01 15:42:16.803 INFO kablam!     |
Sep 01 15:42:16.803 INFO kablam! 335 | /             async_block!{
Sep 01 15:42:16.803 INFO kablam! 336 | |                 await!(holder.get_member_value())
Sep 01 15:42:16.803 INFO kablam! 337 | |             };
Sep 01 15:42:16.803 INFO kablam!     | |_____________^
Sep 01 15:42:16.803 INFO kablam!     |
Sep 01 15:42:16.803 INFO kablam!     = help: add #![feature(proc_macro_non_items)] to the crate attributes to enable
Sep 01 15:42:16.803 INFO kablam! 
Sep 01 15:42:16.806 INFO kablam! error: aborting due to previous error
Sep 01 15:42:16.806 INFO kablam! 
Sep 01 15:42:16.806 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 15:42:16.815 INFO kablam! error: Could not compile `lazy-pool`.
Sep 01 15:42:16.815 INFO kablam! 
Sep 01 15:42:16.815 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 15:42:16.816 INFO kablam! su: No module specific data is present
Sep 01 15:42:17.382 INFO running `"docker" "rm" "-f" "74d8a48fb90efeee907191a65053aebfaaa91c1e636eb9a80114dbf790ed9696"`
Sep 01 15:42:17.512 INFO blam! 74d8a48fb90efeee907191a65053aebfaaa91c1e636eb9a80114dbf790ed9696