Aug 11 15:51:37.387 INFO checking drone-macros-core-0.8.2 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 15:51:37.387 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 15:51:37.387 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 15:51:37.387 INFO running `"docker" "create" "-v" "/tmp/crater.jCgHHdIFARSP:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/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 15:51:37.575 INFO blam! b4c704d6ea39aa9b03badb6846bd016124a324f3a9cfe96d286f45b5e54a7ace
Aug 11 15:51:37.577 INFO running `"docker" "start" "-a" "b4c704d6ea39aa9b03badb6846bd016124a324f3a9cfe96d286f45b5e54a7ace"`
Aug 11 15:51:38.795 INFO kablam!     Checking proc-macro2 v0.4.9
Aug 11 15:51:42.153 INFO kablam!     Checking quote v0.6.5
Aug 11 15:51:44.598 INFO kablam!     Checking syn v0.14.7
Aug 11 15:51:50.783 INFO kablam!     Checking drone-macros-core v0.8.2 (file:///source)
Aug 11 15:51:52.630 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_diagnostic' (see issue #38356)
Aug 11 15:51:52.630 INFO kablam!   --> src/lib.rs:43:19
Aug 11 15:51:52.630 INFO kablam!    |
Aug 11 15:51:52.630 INFO kablam! 43 |   span.unstable().error(err).emit();
Aug 11 15:51:52.630 INFO kablam!    |                   ^^^^^
Aug 11 15:51:52.630 INFO kablam!    |
Aug 11 15:51:52.630 INFO kablam!    = help: add #![feature(proc_macro_diagnostic)] to the crate attributes to enable
Aug 11 15:51:52.631 INFO kablam! 
Aug 11 15:51:52.635 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_diagnostic' (see issue #38356)
Aug 11 15:51:52.635 INFO kablam!   --> src/lib.rs:43:30
Aug 11 15:51:52.635 INFO kablam!    |
Aug 11 15:51:52.635 INFO kablam! 43 |   span.unstable().error(err).emit();
Aug 11 15:51:52.635 INFO kablam!    |                              ^^^^
Aug 11 15:51:52.635 INFO kablam!    |
Aug 11 15:51:52.635 INFO kablam!    = help: add #![feature(proc_macro_diagnostic)] to the crate attributes to enable
Aug 11 15:51:52.635 INFO kablam! 
Aug 11 15:51:52.713 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_diagnostic' (see issue #38356)
Aug 11 15:51:52.713 INFO kablam!   --> src/lib.rs:43:19
Aug 11 15:51:52.713 INFO kablam!    |
Aug 11 15:51:52.713 INFO kablam! 43 |   span.unstable().error(err).emit();
Aug 11 15:51:52.713 INFO kablam!    |                   ^^^^^
Aug 11 15:51:52.713 INFO kablam!    |
Aug 11 15:51:52.713 INFO kablam!    = help: add #![feature(proc_macro_diagnostic)] to the crate attributes to enable
Aug 11 15:51:52.713 INFO kablam! 
Aug 11 15:51:52.718 INFO kablam! error[E0658]: use of unstable library feature 'proc_macro_diagnostic' (see issue #38356)
Aug 11 15:51:52.718 INFO kablam!   --> src/lib.rs:43:30
Aug 11 15:51:52.718 INFO kablam!    |
Aug 11 15:51:52.718 INFO kablam! 43 |   span.unstable().error(err).emit();
Aug 11 15:51:52.718 INFO kablam!    |                              ^^^^
Aug 11 15:51:52.718 INFO kablam!    |
Aug 11 15:51:52.718 INFO kablam!    = help: add #![feature(proc_macro_diagnostic)] to the crate attributes to enable
Aug 11 15:51:52.718 INFO kablam! 
Aug 11 15:51:52.720 INFO kablam! error: aborting due to 2 previous errors
Aug 11 15:51:52.727 INFO kablam! 
Aug 11 15:51:52.727 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 11 15:51:52.743 INFO kablam! error: Could not compile `drone-macros-core`.
Aug 11 15:51:52.743 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 15:51:52.782 INFO kablam! error: aborting due to 2 previous errors
Aug 11 15:51:52.782 INFO kablam! 
Aug 11 15:51:52.782 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 11 15:51:52.793 INFO kablam! error: Could not compile `drone-macros-core`.
Aug 11 15:51:52.793 INFO kablam! 
Aug 11 15:51:52.794 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 15:51:52.795 INFO kablam! su: No module specific data is present
Aug 11 15:51:53.671 INFO running `"docker" "rm" "-f" "b4c704d6ea39aa9b03badb6846bd016124a324f3a9cfe96d286f45b5e54a7ace"`
Aug 11 15:51:53.812 INFO blam! b4c704d6ea39aa9b03badb6846bd016124a324f3a9cfe96d286f45b5e54a7ace