Aug 02 05:04:48.437 INFO checking lmdb-0.8.0 against 1.27.2 for lazy_static-1
Aug 02 05:04:48.437 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:04:48.437 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:04:48.437 INFO running `"docker" "create" "-v" "/tmp/crater.YaMrfh2egiaS:/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 05:04:48.755 INFO blam! 0dd93ba7c63c4523bac24edcaecd0397d53b90a03f1605ddebb3526e591306f5
Aug 02 05:04:48.758 INFO running `"docker" "start" "-a" "0dd93ba7c63c4523bac24edcaecd0397d53b90a03f1605ddebb3526e591306f5"`
Aug 02 05:04:49.874 INFO kablam!    Compiling lmdb-sys v0.8.0
Aug 02 05:04:57.398 INFO kablam!     Checking lmdb v0.8.0 (file:///source)
Aug 02 05:04:58.554 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:04:58.554 INFO kablam!  --> src/lib.rs:4:19
Aug 02 05:04:58.554 INFO kablam!   |
Aug 02 05:04:58.554 INFO kablam! 4 | #![cfg_attr(test, feature(test))]
Aug 02 05:04:58.554 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 02 05:04:58.554 INFO kablam! 
Aug 02 05:04:58.572 INFO kablam! error: aborting due to previous error
Aug 02 05:04:58.572 INFO kablam! 
Aug 02 05:04:58.573 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:04:58.587 INFO kablam! error: Could not compile `lmdb`.
Aug 02 05:04:58.587 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:04:59.465 INFO kablam! error: build failed
Aug 02 05:04:59.466 INFO kablam! su: No module specific data is present
Aug 02 05:05:00.114 INFO running `"docker" "rm" "-f" "0dd93ba7c63c4523bac24edcaecd0397d53b90a03f1605ddebb3526e591306f5"`
Aug 02 05:05:00.305 INFO blam! 0dd93ba7c63c4523bac24edcaecd0397d53b90a03f1605ddebb3526e591306f5