Aug 02 04:28:19.980 INFO checking merkle-1.7.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:28:19.980 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:28:19.980 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:28:19.980 INFO running `"docker" "create" "-v" "/tmp/crater.V66Bqr3gCcjm:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+tmplazy:/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 04:28:20.183 INFO blam! e14cd5f0e264fe61803f2f81e8a198940989cb5007b0373bd7a7c2c16ec55f61
Aug 02 04:28:20.185 INFO running `"docker" "start" "-a" "e14cd5f0e264fe61803f2f81e8a198940989cb5007b0373bd7a7c2c16ec55f61"`
Aug 02 04:28:21.082 INFO kablam!     Checking merkle v1.7.0 (file:///source)
Aug 02 04:28:23.213 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:28:23.213 INFO kablam!  --> benches/lib.rs:2:1
Aug 02 04:28:23.213 INFO kablam!   |
Aug 02 04:28:23.213 INFO kablam! 2 | #![feature(test)]
Aug 02 04:28:23.213 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 04:28:23.213 INFO kablam! 
Aug 02 04:28:23.213 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:28:23.213 INFO kablam!  --> benches/lib.rs:3:1
Aug 02 04:28:23.213 INFO kablam!   |
Aug 02 04:28:23.213 INFO kablam! 3 | #![feature(rand)]
Aug 02 04:28:23.213 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 04:28:23.214 INFO kablam! 
Aug 02 04:28:23.214 INFO kablam! error: aborting due to 2 previous errors
Aug 02 04:28:23.214 INFO kablam! 
Aug 02 04:28:23.214 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:28:23.221 INFO kablam! error: Could not compile `merkle`.
Aug 02 04:28:23.222 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:28:23.340 INFO kablam! error: build failed
Aug 02 04:28:23.345 INFO kablam! su: No module specific data is present
Aug 02 04:28:23.839 INFO running `"docker" "rm" "-f" "e14cd5f0e264fe61803f2f81e8a198940989cb5007b0373bd7a7c2c16ec55f61"`
Aug 02 04:28:23.969 INFO blam! e14cd5f0e264fe61803f2f81e8a198940989cb5007b0373bd7a7c2c16ec55f61