Aug 02 04:39:14.530 INFO checking matriarch-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 04:39:14.530 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:39:14.530 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:39:14.530 INFO running `"docker" "create" "-v" "/tmp/crater.yzp3IcgJOIMK:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 04:39:14.788 INFO blam! 29abe2db2f017b811d296d7cbf98dc7f51dae77179dd4c28fb8a848d046f1740
Aug 02 04:39:14.790 INFO running `"docker" "start" "-a" "29abe2db2f017b811d296d7cbf98dc7f51dae77179dd4c28fb8a848d046f1740"`
Aug 02 04:39:15.840 INFO kablam!     Checking matriarch v0.1.0 (file:///source)
Aug 02 04:39:17.557 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:39:17.558 INFO kablam!  --> benches/mul_add_vs_raw.rs:1:1
Aug 02 04:39:17.558 INFO kablam!   |
Aug 02 04:39:17.558 INFO kablam! 1 | #![feature(test)]
Aug 02 04:39:17.558 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 04:39:17.558 INFO kablam! 
Aug 02 04:39:17.558 INFO kablam! error: aborting due to previous error
Aug 02 04:39:17.558 INFO kablam! 
Aug 02 04:39:17.558 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:39:17.558 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:39:17.559 INFO kablam!  --> benches/determinant_optimization.rs:1:1
Aug 02 04:39:17.559 INFO kablam!   |
Aug 02 04:39:17.559 INFO kablam! 1 | #![feature(test)]
Aug 02 04:39:17.559 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 04:39:17.559 INFO kablam! 
Aug 02 04:39:17.559 INFO kablam! error: aborting due to previous error
Aug 02 04:39:17.559 INFO kablam! 
Aug 02 04:39:17.559 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:39:17.565 INFO kablam! error: Could not compile `matriarch`.
Aug 02 04:39:17.565 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:39:17.604 INFO kablam! error: Could not compile `matriarch`.
Aug 02 04:39:17.604 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:39:17.882 INFO kablam! error: build failed
Aug 02 04:39:17.884 INFO kablam! su: No module specific data is present
Aug 02 04:39:18.498 INFO running `"docker" "rm" "-f" "29abe2db2f017b811d296d7cbf98dc7f51dae77179dd4c28fb8a848d046f1740"`
Aug 02 04:39:18.659 INFO blam! 29abe2db2f017b811d296d7cbf98dc7f51dae77179dd4c28fb8a848d046f1740