Aug 02 06:22:41.890 INFO checking jagged_array-0.2.4 against 1.27.2 for lazy_static-1
Aug 02 06:22:41.890 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:22:41.890 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:22:41.890 INFO running `"docker" "create" "-v" "/tmp/crater.jp8Mv0xTV1lk:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 06:22:42.030 INFO blam! 30f3549984869839cbc7606043f71ab6e5ae904cf5073dd5a617b072b08777a8
Aug 02 06:22:42.034 INFO running `"docker" "start" "-a" "30f3549984869839cbc7606043f71ab6e5ae904cf5073dd5a617b072b08777a8"`
Aug 02 06:22:43.078 INFO kablam!     Checking streaming-iterator v0.1.4
Aug 02 06:22:43.712 INFO kablam!     Checking jagged_array v0.2.4 (file:///source)
Aug 02 06:22:45.967 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:22:45.967 INFO kablam!  --> benches/jagged2.rs:1:1
Aug 02 06:22:45.967 INFO kablam!   |
Aug 02 06:22:45.967 INFO kablam! 1 | #![feature(test)]
Aug 02 06:22:45.967 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:22:45.967 INFO kablam! 
Aug 02 06:22:45.967 INFO kablam! error: aborting due to previous error
Aug 02 06:22:45.967 INFO kablam! 
Aug 02 06:22:45.967 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:22:45.997 INFO kablam! error: Could not compile `jagged_array`.
Aug 02 06:22:45.997 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:22:46.717 INFO kablam! error: build failed
Aug 02 06:22:46.718 INFO kablam! su: No module specific data is present
Aug 02 06:22:47.413 INFO running `"docker" "rm" "-f" "30f3549984869839cbc7606043f71ab6e5ae904cf5073dd5a617b072b08777a8"`
Aug 02 06:22:47.549 INFO blam! 30f3549984869839cbc7606043f71ab6e5ae904cf5073dd5a617b072b08777a8