Aug 01 22:24:07.293 INFO checking sha2-0.7.1 against 1.27.2 for lazy_static-1
Aug 01 22:24:07.293 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:24:07.293 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:24:07.294 INFO running `"docker" "create" "-v" "/tmp/crater.Ah1csrNJ6jmx:/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 01 22:24:07.593 INFO blam! 41981af1bed02ba5258299afa309052bc47625d274b78bac0d137aacb918c79f
Aug 01 22:24:07.593 INFO running `"docker" "start" "-a" "41981af1bed02ba5258299afa309052bc47625d274b78bac0d137aacb918c79f"`
Aug 01 22:24:08.717 INFO kablam!     Checking sha2 v0.7.1 (file:///source)
Aug 01 22:24:11.408 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:24:11.408 INFO kablam!  --> benches/sha512.rs:2:1
Aug 01 22:24:11.408 INFO kablam!   |
Aug 01 22:24:11.408 INFO kablam! 2 | #![feature(test)]
Aug 01 22:24:11.408 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 22:24:11.408 INFO kablam! 
Aug 01 22:24:11.408 INFO kablam! error: aborting due to previous error
Aug 01 22:24:11.408 INFO kablam! 
Aug 01 22:24:11.408 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:24:11.462 INFO kablam! error: Could not compile `sha2`.
Aug 01 22:24:11.462 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:24:12.715 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:24:12.715 INFO kablam!  --> benches/sha256.rs:2:1
Aug 01 22:24:12.715 INFO kablam!   |
Aug 01 22:24:12.715 INFO kablam! 2 | #![feature(test)]
Aug 01 22:24:12.715 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 22:24:12.715 INFO kablam! 
Aug 01 22:24:12.715 INFO kablam! error: aborting due to previous error
Aug 01 22:24:12.716 INFO kablam! 
Aug 01 22:24:12.716 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:24:12.747 INFO kablam! error: Could not compile `sha2`.
Aug 01 22:24:12.747 INFO kablam! 
Aug 01 22:24:12.747 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:24:12.754 INFO kablam! su: No module specific data is present
Aug 01 22:24:13.645 INFO running `"docker" "rm" "-f" "41981af1bed02ba5258299afa309052bc47625d274b78bac0d137aacb918c79f"`
Aug 01 22:24:13.805 INFO blam! 41981af1bed02ba5258299afa309052bc47625d274b78bac0d137aacb918c79f