Sep 10 15:43:53.389 INFO checking lazy-pool-0.2.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 15:43:53.389 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 15:43:53.389 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 15:43:53.542 INFO blam! 38a08d7c438e0834fb68f8114ebef833a30063a508a3f92f946ea170ea78e604
Sep 10 15:43:53.543 INFO running `"docker" "start" "-a" "38a08d7c438e0834fb68f8114ebef833a30063a508a3f92f946ea170ea78e604"`
Sep 10 15:43:54.390 INFO kablam! usermod: no changes
Sep 10 15:43:54.526 INFO kablam!     Checking uuid v0.7.0
Sep 10 15:43:54.526 INFO kablam!     Checking lazy-pool v0.2.2 (file:///source)
Sep 10 15:43:54.526 INFO kablam!    Compiling syn v0.14.9
Sep 10 15:43:54.998 INFO kablam! warning: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 10 15:43:54.998 INFO kablam!  --> src/lib.rs:1:24
Sep 10 15:43:54.998 INFO kablam!   |
Sep 10 15:43:54.998 INFO kablam! 1 | #![feature(box_syntax, universal_impl_trait)]
Sep 10 15:43:54.998 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^
Sep 10 15:43:54.998 INFO kablam!   |
Sep 10 15:43:54.998 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 15:43:54.998 INFO kablam! 
Sep 10 15:43:54.998 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 10 15:43:54.998 INFO kablam!  --> src/lib.rs:2:12
Sep 10 15:43:54.998 INFO kablam!   |
Sep 10 15:43:54.998 INFO kablam! 2 | #![feature(proc_macro, conservative_impl_trait, generators)]
Sep 10 15:43:54.998 INFO kablam!   |            ^^^^^^^^^^
Sep 10 15:43:54.998 INFO kablam! 
Sep 10 15:43:54.998 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 10 15:43:54.998 INFO kablam!  --> src/lib.rs:2:24
Sep 10 15:43:54.998 INFO kablam!   |
Sep 10 15:43:54.998 INFO kablam! 2 | #![feature(proc_macro, conservative_impl_trait, generators)]
Sep 10 15:43:54.998 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 15:43:54.998 INFO kablam! 
Sep 10 15:44:06.262 INFO kablam!    Compiling futures-await-async-macro v0.1.4
Sep 10 15:44:09.964 INFO kablam!     Checking futures-await v0.1.1
Sep 10 15:44:10.539 INFO kablam! error[E0658]: procedural macros cannot be expanded to expressions (see issue #38356)
Sep 10 15:44:10.539 INFO kablam!    --> src/lib.rs:335:13
Sep 10 15:44:10.539 INFO kablam!     |
Sep 10 15:44:10.539 INFO kablam! 335 | /             async_block!{
Sep 10 15:44:10.539 INFO kablam! 336 | |                 await!(holder.get_member_value())
Sep 10 15:44:10.539 INFO kablam! 337 | |             };
Sep 10 15:44:10.539 INFO kablam!     | |_____________^
Sep 10 15:44:10.539 INFO kablam!     |
Sep 10 15:44:10.539 INFO kablam!     = help: add #![feature(proc_macro_non_items)] to the crate attributes to enable
Sep 10 15:44:10.539 INFO kablam! 
Sep 10 15:44:10.541 INFO kablam! error: aborting due to previous error
Sep 10 15:44:10.541 INFO kablam! 
Sep 10 15:44:10.541 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 15:44:10.551 INFO kablam! error: Could not compile `lazy-pool`.
Sep 10 15:44:10.551 INFO kablam! 
Sep 10 15:44:10.551 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 15:44:10.552 INFO kablam! su: No module specific data is present
Sep 10 15:44:11.118 INFO running `"docker" "rm" "-f" "38a08d7c438e0834fb68f8114ebef833a30063a508a3f92f946ea170ea78e604"`
Sep 10 15:44:11.192 INFO blam! 38a08d7c438e0834fb68f8114ebef833a30063a508a3f92f946ea170ea78e604