Aug 02 00:16:15.898 INFO checking rowcol-0.3.3 against 1.27.2 for lazy_static-1
Aug 02 00:16:15.898 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:16:15.899 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:16:15.899 INFO running `"docker" "create" "-v" "/tmp/crater.EWDwUKzX8KZ2:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 00:16:16.175 INFO blam! febf4730381c90a4f8eb429d8481196c6c8c6d0e20a95c19fe5b7924a2da80a7
Aug 02 00:16:16.177 INFO running `"docker" "start" "-a" "febf4730381c90a4f8eb429d8481196c6c8c6d0e20a95c19fe5b7924a2da80a7"`
Aug 02 00:16:17.231 INFO kablam!     Checking rowcol v0.3.3 (file:///source)
Aug 02 00:16:18.325 INFO kablam! warning: unused `#[macro_use]` import
Aug 02 00:16:18.325 INFO kablam!   --> src/lib.rs:41:1
Aug 02 00:16:18.326 INFO kablam!    |
Aug 02 00:16:18.326 INFO kablam! 41 | #[macro_use] extern crate approx;
Aug 02 00:16:18.326 INFO kablam!    | ^^^^^^^^^^^^
Aug 02 00:16:18.332 INFO kablam!    |
Aug 02 00:16:18.333 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 02 00:16:18.333 INFO kablam! 
Aug 02 00:16:23.945 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:16:23.945 INFO kablam!  --> benches/matrix.rs:1:1
Aug 02 00:16:23.945 INFO kablam!   |
Aug 02 00:16:23.946 INFO kablam! 1 | #![feature(test)]
Aug 02 00:16:23.946 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 00:16:23.960 INFO kablam! 
Aug 02 00:16:23.961 INFO kablam! error: aborting due to previous error
Aug 02 00:16:23.961 INFO kablam! 
Aug 02 00:16:23.962 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 00:16:23.993 INFO kablam! error: Could not compile `rowcol`.
Aug 02 00:16:23.993 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 00:16:24.988 INFO kablam! error: build failed
Aug 02 00:16:24.992 INFO kablam! su: No module specific data is present
Aug 02 00:16:25.562 INFO running `"docker" "rm" "-f" "febf4730381c90a4f8eb429d8481196c6c8c6d0e20a95c19fe5b7924a2da80a7"`
Aug 02 00:16:25.715 INFO blam! febf4730381c90a4f8eb429d8481196c6c8c6d0e20a95c19fe5b7924a2da80a7