Aug 02 10:24:09.830 INFO checking fanta-cli-0.1.1 against 1.27.2 for lazy_static-1 Aug 02 10:24:09.830 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 10:24:09.830 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 10:24:09.830 INFO running `"docker" "create" "-v" "/tmp/crater.I5AB1tuH1FrJ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 10:24:10.093 INFO blam! 87ed3cf09db16da8efab5694329e14ddbae4158c22ac92e961ee57b08c3d8717 Aug 02 10:24:10.095 INFO running `"docker" "start" "-a" "87ed3cf09db16da8efab5694329e14ddbae4158c22ac92e961ee57b08c3d8717"` Aug 02 10:24:11.356 INFO kablam! Compiling regex v0.2.11 Aug 02 10:24:13.506 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 10:24:13.506 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.2.11/src/lib.rs:522:34 Aug 02 10:24:13.506 INFO kablam! | Aug 02 10:24:13.506 INFO kablam! 522 | #![cfg_attr(feature = "pattern", feature(pattern))] Aug 02 10:24:13.506 INFO kablam! | ^^^^^^^^^^^^^^^^^ Aug 02 10:24:13.506 INFO kablam! Aug 02 10:24:13.558 INFO kablam! error: aborting due to previous error Aug 02 10:24:13.559 INFO kablam! Aug 02 10:24:13.559 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 10:24:13.571 INFO kablam! error: Could not compile `regex`. Aug 02 10:24:13.571 INFO kablam! Aug 02 10:24:13.571 INFO kablam! To learn more, run the command again with --verbose. Aug 02 10:24:13.573 INFO kablam! su: No module specific data is present Aug 02 10:24:14.552 INFO running `"docker" "rm" "-f" "87ed3cf09db16da8efab5694329e14ddbae4158c22ac92e961ee57b08c3d8717"` Aug 02 10:24:14.705 INFO blam! 87ed3cf09db16da8efab5694329e14ddbae4158c22ac92e961ee57b08c3d8717