Aug 02 01:57:24.628 INFO checking primes-0.2.0 against 1.27.2 for lazy_static-1
Aug 02 01:57:24.628 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:57:24.628 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:57:24.628 INFO running `"docker" "create" "-v" "/tmp/crater.9dw9S85WeVeV:/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 01:57:24.854 INFO blam! 1b86920a4efce005f1124f4d481b470cee1d8643be725e59f00cb4d686965fc1
Aug 02 01:57:24.856 INFO running `"docker" "start" "-a" "1b86920a4efce005f1124f4d481b470cee1d8643be725e59f00cb4d686965fc1"`
Aug 02 01:57:26.351 INFO kablam!     Checking primes v0.2.0 (file:///source)
Aug 02 01:57:26.779 INFO kablam! warning: unnecessary parentheses around `for` head expression
Aug 02 01:57:26.779 INFO kablam!    --> src/lib.rs:199:12
Aug 02 01:57:26.779 INFO kablam!     |
Aug 02 01:57:26.779 INFO kablam! 199 |         for _ in (0..(index as isize) + 1 - (self.lst.len() as isize)){
Aug 02 01:57:26.779 INFO kablam!     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 02 01:57:26.779 INFO kablam!     |
Aug 02 01:57:26.780 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 02 01:57:26.780 INFO kablam! 
Aug 02 01:57:27.031 INFO kablam! warning: unnecessary parentheses around `for` head expression
Aug 02 01:57:27.031 INFO kablam!    --> src/lib.rs:199:12
Aug 02 01:57:27.031 INFO kablam!     |
Aug 02 01:57:27.031 INFO kablam! 199 |         for _ in (0..(index as isize) + 1 - (self.lst.len() as isize)){
Aug 02 01:57:27.031 INFO kablam!     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Aug 02 01:57:27.031 INFO kablam!     |
Aug 02 01:57:27.032 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 02 01:57:27.032 INFO kablam! 
Aug 02 01:57:27.581 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:57:27.581 INFO kablam!  --> benches/benches.rs:1:1
Aug 02 01:57:27.581 INFO kablam!   |
Aug 02 01:57:27.581 INFO kablam! 1 | #![feature(test)]
Aug 02 01:57:27.581 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 01:57:27.581 INFO kablam! 
Aug 02 01:57:27.581 INFO kablam! error: aborting due to previous error
Aug 02 01:57:27.581 INFO kablam! 
Aug 02 01:57:27.582 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:57:27.597 INFO kablam! error: Could not compile `primes`.
Aug 02 01:57:27.597 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:57:27.891 INFO kablam! error: build failed
Aug 02 01:57:27.893 INFO kablam! su: No module specific data is present
Aug 02 01:57:28.461 INFO running `"docker" "rm" "-f" "1b86920a4efce005f1124f4d481b470cee1d8643be725e59f00cb4d686965fc1"`
Aug 02 01:57:28.593 INFO blam! 1b86920a4efce005f1124f4d481b470cee1d8643be725e59f00cb4d686965fc1