Aug 02 11:51:55.716 INFO checking database_exporter-0.1.4 against 1.27.2 for lazy_static-1
Aug 02 11:51:55.716 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:51:55.717 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:51:55.717 INFO running `"docker" "create" "-v" "/tmp/crater.QYMaJCyqcoty:/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 11:51:55.930 INFO blam! 80d0d9e418b0eee7728d2984c7be4195933a482fb19f85479d47d96bfce6f532
Aug 02 11:51:55.932 INFO running `"docker" "start" "-a" "80d0d9e418b0eee7728d2984c7be4195933a482fb19f85479d47d96bfce6f532"`
Aug 02 11:51:57.294 INFO kablam!     Checking fake v1.2.2
Aug 02 11:51:58.985 INFO kablam!     Checking database_exporter v0.1.4 (file:///source)
Aug 02 11:52:00.159 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:52:00.159 INFO kablam!  --> src/lib.rs:1:1
Aug 02 11:52:00.159 INFO kablam!   |
Aug 02 11:52:00.159 INFO kablam! 1 | #![feature(test)]
Aug 02 11:52:00.159 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 11:52:00.159 INFO kablam! 
Aug 02 11:52:00.159 INFO kablam! error: aborting due to previous error
Aug 02 11:52:00.159 INFO kablam! 
Aug 02 11:52:00.159 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:52:00.167 INFO kablam! error: Could not compile `database_exporter`.
Aug 02 11:52:00.167 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:52:00.179 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:52:00.179 INFO kablam!  --> src/lib.rs:1:1
Aug 02 11:52:00.179 INFO kablam!   |
Aug 02 11:52:00.179 INFO kablam! 1 | #![feature(test)]
Aug 02 11:52:00.179 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 11:52:00.179 INFO kablam! 
Aug 02 11:52:00.179 INFO kablam! error: aborting due to previous error
Aug 02 11:52:00.179 INFO kablam! 
Aug 02 11:52:00.179 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:52:00.190 INFO kablam! error: Could not compile `database_exporter`.
Aug 02 11:52:00.190 INFO kablam! 
Aug 02 11:52:00.190 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:52:00.192 INFO kablam! su: No module specific data is present
Aug 02 11:52:01.022 INFO running `"docker" "rm" "-f" "80d0d9e418b0eee7728d2984c7be4195933a482fb19f85479d47d96bfce6f532"`
Aug 02 11:52:01.171 INFO blam! 80d0d9e418b0eee7728d2984c7be4195933a482fb19f85479d47d96bfce6f532