Aug 02 03:52:33.790 INFO checking nalgebra-0.16.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 03:52:33.790 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:52:33.790 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:52:33.790 INFO running `"docker" "create" "-v" "/tmp/crater.Aulets5rwIRg:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+tmplazy:/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 03:52:34.049 INFO blam! 8d1dc649c5337a91ced36e89170e46ba6e9910cf3e759320d0c18a8ac8470e8a
Aug 02 03:52:34.051 INFO running `"docker" "start" "-a" "8d1dc649c5337a91ced36e89170e46ba6e9910cf3e759320d0c18a8ac8470e8a"`
Aug 02 03:52:35.241 INFO kablam!     Checking num-complex v0.2.0
Aug 02 03:52:35.241 INFO kablam!     Checking approx v0.3.0
Aug 02 03:52:36.829 INFO kablam!     Checking alga v0.7.1
Aug 02 03:52:44.506 INFO kablam!     Checking nalgebra v0.16.0 (file:///source)
Aug 02 03:54:37.400 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:54:37.400 INFO kablam!  --> benches/lib.rs:1:1
Aug 02 03:54:37.401 INFO kablam!   |
Aug 02 03:54:37.401 INFO kablam! 1 | #![feature(test)]
Aug 02 03:54:37.401 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 03:54:37.432 INFO kablam! 
Aug 02 03:54:37.495 INFO kablam! error: aborting due to previous error
Aug 02 03:54:37.536 INFO kablam! 
Aug 02 03:54:37.536 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:54:37.602 INFO kablam! error: Could not compile `nalgebra`.
Aug 02 03:54:37.603 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:54:38.959 INFO kablam! error: build failed
Aug 02 03:54:38.962 INFO kablam! su: No module specific data is present
Aug 02 03:54:39.547 INFO running `"docker" "rm" "-f" "8d1dc649c5337a91ced36e89170e46ba6e9910cf3e759320d0c18a8ac8470e8a"`
Aug 02 03:54:39.732 INFO blam! 8d1dc649c5337a91ced36e89170e46ba6e9910cf3e759320d0c18a8ac8470e8a