Aug 01 19:46:08.812 INFO checking typedb-0.7.1 against 1.27.2 for lazy_static-1
Aug 01 19:46:08.812 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:46:08.813 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:46:08.813 INFO running `"docker" "create" "-v" "/tmp/crater.RvL81YV35Gwd:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 19:46:09.022 INFO blam! a005f67422509c0916120a502556aa805bb059739ffc9ab472458eb2017f097a
Aug 01 19:46:09.027 INFO running `"docker" "start" "-a" "a005f67422509c0916120a502556aa805bb059739ffc9ab472458eb2017f097a"`
Aug 01 19:46:10.247 INFO kablam!     Checking typedb v0.7.1 (file:///source)
Aug 01 19:46:12.504 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:46:12.504 INFO kablam!  --> benches/benches.rs:1:1
Aug 01 19:46:12.504 INFO kablam!   |
Aug 01 19:46:12.504 INFO kablam! 1 | #![feature(test)]
Aug 01 19:46:12.505 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 19:46:12.523 INFO kablam! 
Aug 01 19:46:12.525 INFO kablam! error: aborting due to previous error
Aug 01 19:46:12.525 INFO kablam! 
Aug 01 19:46:12.525 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:46:12.536 INFO kablam! error: Could not compile `typedb`.
Aug 01 19:46:12.537 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:46:13.592 INFO kablam! error: build failed
Aug 01 19:46:13.593 INFO kablam! su: No module specific data is present
Aug 01 19:46:14.390 INFO running `"docker" "rm" "-f" "a005f67422509c0916120a502556aa805bb059739ffc9ab472458eb2017f097a"`
Aug 01 19:46:14.586 INFO blam! a005f67422509c0916120a502556aa805bb059739ffc9ab472458eb2017f097a