Aug 02 11:11:31.678 INFO checking dtoa-0.4.3 against 1.27.2 for lazy_static-1
Aug 02 11:11:31.678 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:11:31.678 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:11:31.679 INFO running `"docker" "create" "-v" "/tmp/crater.D6vTKOTbnHMs:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 11:11:31.831 INFO blam! dff1ef1ae04f2d3413c596b00547d7d754cca4839585d1f721392851ce74e775
Aug 02 11:11:31.839 INFO running `"docker" "start" "-a" "dff1ef1ae04f2d3413c596b00547d7d754cca4839585d1f721392851ce74e775"`
Aug 02 11:11:33.724 INFO kablam!     Checking dtoa v0.4.3 (file:///source)
Aug 02 11:11:35.370 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:11:35.371 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 11:11:35.371 INFO kablam!   |
Aug 02 11:11:35.371 INFO kablam! 1 | #![feature(test)]
Aug 02 11:11:35.371 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 11:11:35.371 INFO kablam! 
Aug 02 11:11:35.372 INFO kablam! error: aborting due to previous error
Aug 02 11:11:35.372 INFO kablam! 
Aug 02 11:11:35.373 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:11:35.389 INFO kablam! error: Could not compile `dtoa`.
Aug 02 11:11:35.389 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:11:35.649 INFO kablam! error: build failed
Aug 02 11:11:35.653 INFO kablam! su: No module specific data is present
Aug 02 11:11:36.362 INFO running `"docker" "rm" "-f" "dff1ef1ae04f2d3413c596b00547d7d754cca4839585d1f721392851ce74e775"`
Aug 02 11:11:36.544 INFO blam! dff1ef1ae04f2d3413c596b00547d7d754cca4839585d1f721392851ce74e775