Aug 02 03:52:34.239 INFO checking nalgebra-0.16.0 against 1.27.2 for lazy_static-1
Aug 02 03:52:34.239 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:52:34.239 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:52:34.239 INFO running `"docker" "create" "-v" "/tmp/crater.Qkkwbbw4sdRl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 03:52:34.490 INFO blam! 63301bd22d704d3c53e83fed9c100be326498480c44f37faa20dfa10994ea365
Aug 02 03:52:34.493 INFO running `"docker" "start" "-a" "63301bd22d704d3c53e83fed9c100be326498480c44f37faa20dfa10994ea365"`
Aug 02 03:52:35.898 INFO kablam!     Checking approx v0.3.0
Aug 02 03:52:36.558 INFO kablam!     Checking alga v0.7.1
Aug 02 03:52:43.773 INFO kablam!     Checking nalgebra v0.16.0 (file:///source)
Aug 02 03:54:34.418 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:54:34.418 INFO kablam!  --> benches/lib.rs:1:1
Aug 02 03:54:34.418 INFO kablam!   |
Aug 02 03:54:34.418 INFO kablam! 1 | #![feature(test)]
Aug 02 03:54:34.418 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 03:54:34.436 INFO kablam! 
Aug 02 03:54:34.453 INFO kablam! error: aborting due to previous error
Aug 02 03:54:34.474 INFO kablam! 
Aug 02 03:54:34.475 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:54:34.572 INFO kablam! error: Could not compile `nalgebra`.
Aug 02 03:54:34.573 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:54:36.036 INFO kablam! error: build failed
Aug 02 03:54:36.040 INFO kablam! su: No module specific data is present
Aug 02 03:54:36.724 INFO running `"docker" "rm" "-f" "63301bd22d704d3c53e83fed9c100be326498480c44f37faa20dfa10994ea365"`
Aug 02 03:54:36.876 INFO blam! 63301bd22d704d3c53e83fed9c100be326498480c44f37faa20dfa10994ea365