Aug 02 03:41:41.276 INFO checking ndarray-0.11.2 against 1.27.2 for lazy_static-1
Aug 02 03:41:41.276 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:41:41.276 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:41:41.276 INFO running `"docker" "create" "-v" "/tmp/crater.Kffe3kpd4Aaa:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 03:41:41.534 INFO blam! 8ed93b98bee2492919447db7eb7641a0fcf519f56c159d0fe1d1213d3fa7bf91
Aug 02 03:41:41.537 INFO running `"docker" "start" "-a" "8ed93b98bee2492919447db7eb7641a0fcf519f56c159d0fe1d1213d3fa7bf91"`
Aug 02 03:41:42.451 INFO kablam!    Compiling ndarray v0.11.2 (file:///source)
Aug 02 03:41:42.453 INFO kablam!     Checking defmac v0.1.3
Aug 02 03:42:13.609 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:42:13.609 INFO kablam!  --> benches/chunks.rs:1:1
Aug 02 03:42:13.609 INFO kablam!   |
Aug 02 03:42:13.609 INFO kablam! 1 | #![feature(test)]
Aug 02 03:42:13.609 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 03:42:13.609 INFO kablam! 
Aug 02 03:42:13.609 INFO kablam! error: aborting due to previous error
Aug 02 03:42:13.609 INFO kablam! 
Aug 02 03:42:13.609 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:42:13.617 INFO kablam! error: Could not compile `ndarray`.
Aug 02 03:42:13.617 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:42:23.029 INFO kablam! error: build failed
Aug 02 03:42:23.031 INFO kablam! su: No module specific data is present
Aug 02 03:42:23.556 INFO running `"docker" "rm" "-f" "8ed93b98bee2492919447db7eb7641a0fcf519f56c159d0fe1d1213d3fa7bf91"`
Aug 02 03:42:23.743 INFO blam! 8ed93b98bee2492919447db7eb7641a0fcf519f56c159d0fe1d1213d3fa7bf91