Aug 02 04:47:44.806 INFO checking macro-machines-0.8.4 against 1.27.2 for lazy_static-1
Aug 02 04:47:44.806 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:47:44.806 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:47:44.806 INFO running `"docker" "create" "-v" "/tmp/crater.o734qyR9TXbL:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 04:47:45.104 INFO blam! c2ef6f350abf3c4c55e729920966db4ce2e857e454c0c5a4462ad768678d92ad
Aug 02 04:47:45.106 INFO running `"docker" "start" "-a" "c2ef6f350abf3c4c55e729920966db4ce2e857e454c0c5a4462ad768678d92ad"`
Aug 02 04:47:46.361 INFO kablam!     Checking marksman_escape v0.1.2
Aug 02 04:47:46.364 INFO kablam!     Checking simplelog v0.5.2
Aug 02 04:47:59.544 INFO kablam!     Checking macro-machines v0.8.4 (file:///source)
Aug 02 04:48:00.233 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:48:00.233 INFO kablam!   --> src/lib.rs:68:1
Aug 02 04:48:00.233 INFO kablam!    |
Aug 02 04:48:00.233 INFO kablam! 68 | #![feature(use_extern_macros)]
Aug 02 04:48:00.233 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:48:00.233 INFO kablam! 
Aug 02 04:48:00.236 INFO kablam! error: aborting due to previous error
Aug 02 04:48:00.236 INFO kablam! 
Aug 02 04:48:00.236 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:48:00.245 INFO kablam! error: Could not compile `macro-machines`.
Aug 02 04:48:00.245 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:48:00.261 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:48:00.261 INFO kablam!   --> src/lib.rs:68:1
Aug 02 04:48:00.261 INFO kablam!    |
Aug 02 04:48:00.261 INFO kablam! 68 | #![feature(use_extern_macros)]
Aug 02 04:48:00.261 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:48:00.261 INFO kablam! 
Aug 02 04:48:00.264 INFO kablam! error: aborting due to previous error
Aug 02 04:48:00.264 INFO kablam! 
Aug 02 04:48:00.264 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:48:00.273 INFO kablam! error: Could not compile `macro-machines`.
Aug 02 04:48:00.273 INFO kablam! 
Aug 02 04:48:00.273 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 04:48:00.274 INFO kablam! su: No module specific data is present
Aug 02 04:48:01.385 INFO running `"docker" "rm" "-f" "c2ef6f350abf3c4c55e729920966db4ce2e857e454c0c5a4462ad768678d92ad"`
Aug 02 04:48:01.555 INFO blam! c2ef6f350abf3c4c55e729920966db4ce2e857e454c0c5a4462ad768678d92ad