Aug 02 06:11:19.970 INFO checking jump-consistent-hash-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 06:11:19.970 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:11:19.970 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:11:19.970 INFO running `"docker" "create" "-v" "/tmp/crater.oosjkYedKwz8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 06:11:20.215 INFO blam! 3e0e3c0b5a9203e169d7fd659e287d978a03a06c37e693744637fd7fb10050c4
Aug 02 06:11:20.217 INFO running `"docker" "start" "-a" "3e0e3c0b5a9203e169d7fd659e287d978a03a06c37e693744637fd7fb10050c4"`
Aug 02 06:11:21.282 INFO kablam!     Checking jump-consistent-hash v0.1.0 (file:///source)
Aug 02 06:11:22.380 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:11:22.380 INFO kablam!  --> benches/jumphash.rs:1:1
Aug 02 06:11:22.380 INFO kablam!   |
Aug 02 06:11:22.380 INFO kablam! 1 | #![feature(test)]
Aug 02 06:11:22.380 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:11:22.380 INFO kablam! 
Aug 02 06:11:22.380 INFO kablam! error: aborting due to previous error
Aug 02 06:11:22.380 INFO kablam! 
Aug 02 06:11:22.380 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:11:22.386 INFO kablam! error: Could not compile `jump-consistent-hash`.
Aug 02 06:11:22.386 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:11:22.789 INFO kablam! error: build failed
Aug 02 06:11:22.791 INFO kablam! su: No module specific data is present
Aug 02 06:11:23.409 INFO running `"docker" "rm" "-f" "3e0e3c0b5a9203e169d7fd659e287d978a03a06c37e693744637fd7fb10050c4"`
Aug 02 06:11:23.530 INFO blam! 3e0e3c0b5a9203e169d7fd659e287d978a03a06c37e693744637fd7fb10050c4