Aug 01 23:12:20.768 INFO checking rvs-0.4.1 against 1.27.2 for lazy_static-1
Aug 01 23:12:20.768 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:12:20.768 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:12:20.769 INFO running `"docker" "create" "-v" "/tmp/crater.yDiGtMbSQkBV:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 23:12:21.039 INFO blam! a5a6ee75eb788ce217835e2888355e94605b4d1f0df5d5711824526dc623caf5
Aug 01 23:12:21.049 INFO running `"docker" "start" "-a" "a5a6ee75eb788ce217835e2888355e94605b4d1f0df5d5711824526dc623caf5"`
Aug 01 23:12:22.065 INFO kablam!    Compiling rvs-parser v0.4.0
Aug 01 23:12:25.780 INFO kablam!     Checking rvs v0.4.1 (file:///source)
Aug 01 23:12:31.213 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:12:31.213 INFO kablam!  --> benches/get_next.rs:1:1
Aug 01 23:12:31.213 INFO kablam!   |
Aug 01 23:12:31.213 INFO kablam! 1 | #![feature(test)]
Aug 01 23:12:31.213 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 23:12:31.224 INFO kablam! 
Aug 01 23:12:31.225 INFO kablam! error: aborting due to previous error
Aug 01 23:12:31.225 INFO kablam! 
Aug 01 23:12:31.226 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:12:31.280 INFO kablam! error: Could not compile `rvs`.
Aug 01 23:12:31.281 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:12:32.820 INFO kablam! error: build failed
Aug 01 23:12:32.827 INFO kablam! su: No module specific data is present
Aug 01 23:12:33.380 INFO running `"docker" "rm" "-f" "a5a6ee75eb788ce217835e2888355e94605b4d1f0df5d5711824526dc623caf5"`
Aug 01 23:12:33.539 INFO blam! a5a6ee75eb788ce217835e2888355e94605b4d1f0df5d5711824526dc623caf5