Aug 01 20:53:54.546 INFO checking table-0.1.1 against 1.27.2 for lazy_static-1
Aug 01 20:53:54.546 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:53:54.546 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:53:54.546 INFO running `"docker" "create" "-v" "/tmp/crater.DMVRm3vV1M7k:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 01 20:53:54.796 INFO blam! 04d2b2e75e7cfa6a57ba5d7b43818c2cdad49ce870c747f833b260024809a25c
Aug 01 20:53:54.798 INFO running `"docker" "start" "-a" "04d2b2e75e7cfa6a57ba5d7b43818c2cdad49ce870c747f833b260024809a25c"`
Aug 01 20:53:55.692 INFO kablam!     Checking table v0.1.1 (file:///source)
Aug 01 20:53:56.454 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:53:56.454 INFO kablam!  --> src/lib.rs:2:19
Aug 01 20:53:56.454 INFO kablam!   |
Aug 01 20:53:56.454 INFO kablam! 2 | #![cfg_attr(test, feature(test))]
Aug 01 20:53:56.454 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 01 20:53:56.454 INFO kablam! 
Aug 01 20:53:56.455 INFO kablam! error: aborting due to previous error
Aug 01 20:53:56.455 INFO kablam! 
Aug 01 20:53:56.456 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:53:56.471 INFO kablam! error: Could not compile `table`.
Aug 01 20:53:56.479 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:53:56.818 INFO kablam! error: build failed
Aug 01 20:53:56.819 INFO kablam! su: No module specific data is present
Aug 01 20:53:57.383 INFO running `"docker" "rm" "-f" "04d2b2e75e7cfa6a57ba5d7b43818c2cdad49ce870c747f833b260024809a25c"`
Aug 01 20:53:57.541 INFO blam! 04d2b2e75e7cfa6a57ba5d7b43818c2cdad49ce870c747f833b260024809a25c