Aug 02 12:34:01.425 INFO checking competitive-programming-rs-0.1.9 against 1.27.2 for lazy_static-1
Aug 02 12:34:01.425 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:34:01.425 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:34:01.425 INFO running `"docker" "create" "-v" "/tmp/crater.srR2q25irCHC:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 12:34:01.699 INFO blam! 656cd200cbdd13a445cdc435121f0bddabb98b28807b593c78562123c29ab7d8
Aug 02 12:34:01.701 INFO running `"docker" "start" "-a" "656cd200cbdd13a445cdc435121f0bddabb98b28807b593c78562123c29ab7d8"`
Aug 02 12:34:03.041 INFO kablam!     Checking competitive-programming-rs v0.1.9 (file:///source)
Aug 02 12:34:04.253 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:34:04.253 INFO kablam!  --> src/lib.rs:5:1
Aug 02 12:34:04.253 INFO kablam!   |
Aug 02 12:34:04.253 INFO kablam! 5 | #![feature(test)]
Aug 02 12:34:04.253 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:34:04.253 INFO kablam! 
Aug 02 12:34:04.255 INFO kablam! error: aborting due to previous error
Aug 02 12:34:04.255 INFO kablam! 
Aug 02 12:34:04.255 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:34:04.262 INFO kablam! error: Could not compile `competitive-programming-rs`.
Aug 02 12:34:04.262 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:34:04.335 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:34:04.335 INFO kablam!  --> src/lib.rs:5:1
Aug 02 12:34:04.335 INFO kablam!   |
Aug 02 12:34:04.335 INFO kablam! 5 | #![feature(test)]
Aug 02 12:34:04.335 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:34:04.335 INFO kablam! 
Aug 02 12:34:04.339 INFO kablam! error: aborting due to previous error
Aug 02 12:34:04.339 INFO kablam! 
Aug 02 12:34:04.339 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:34:04.361 INFO kablam! error: Could not compile `competitive-programming-rs`.
Aug 02 12:34:04.361 INFO kablam! 
Aug 02 12:34:04.361 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 12:34:04.363 INFO kablam! su: No module specific data is present
Aug 02 12:34:05.426 INFO running `"docker" "rm" "-f" "656cd200cbdd13a445cdc435121f0bddabb98b28807b593c78562123c29ab7d8"`
Aug 02 12:34:05.600 INFO blam! 656cd200cbdd13a445cdc435121f0bddabb98b28807b593c78562123c29ab7d8