Aug 02 04:38:17.132 INFO checking maud_macros-0.17.5 against 1.27.2+tmplazy for lazy_static-1 Aug 02 04:38:17.132 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 04:38:17.132 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 04:38:17.133 INFO running `"docker" "create" "-v" "/tmp/crater.HGjXZ3aCqd5Z:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/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 04:38:17.387 INFO blam! 6909e65c9ba57670b85acb13eacdc7541a495dcb88da78481a811a8b7f287fd7 Aug 02 04:38:17.389 INFO running `"docker" "start" "-a" "6909e65c9ba57670b85acb13eacdc7541a495dcb88da78481a811a8b7f287fd7"` Aug 02 04:38:18.932 INFO kablam! Checking literalext v0.1.1 Aug 02 04:38:18.932 INFO kablam! Checking maud_htmlescape v0.17.0 Aug 02 04:38:20.005 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 04:38:20.005 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/literalext-0.1.1/src/lib.rs:19:37 Aug 02 04:38:20.005 INFO kablam! | Aug 02 04:38:20.005 INFO kablam! 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))] Aug 02 04:38:20.005 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Aug 02 04:38:20.005 INFO kablam! Aug 02 04:38:20.006 INFO kablam! error: aborting due to previous error Aug 02 04:38:20.007 INFO kablam! Aug 02 04:38:20.007 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 04:38:20.017 INFO kablam! error: Could not compile `literalext`. Aug 02 04:38:20.018 INFO kablam! Aug 02 04:38:20.018 INFO kablam! To learn more, run the command again with --verbose. Aug 02 04:38:20.018 INFO kablam! su: No module specific data is present Aug 02 04:38:20.599 INFO running `"docker" "rm" "-f" "6909e65c9ba57670b85acb13eacdc7541a495dcb88da78481a811a8b7f287fd7"` Aug 02 04:38:20.745 INFO blam! 6909e65c9ba57670b85acb13eacdc7541a495dcb88da78481a811a8b7f287fd7