Aug 02 00:27:55.077 INFO checking rls-vfs-0.4.5 against 1.27.2+tmplazy for lazy_static-1 Aug 02 00:27:55.077 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 00:27:55.077 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 00:27:55.077 INFO running `"docker" "create" "-v" "/tmp/crater.hP5omezfKqc6:/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 00:27:55.318 INFO blam! 2be366a81ff0fa69493a765dc33c6cc2dddc801aa21c23f9338a3b9ef3823fc6 Aug 02 00:27:55.322 INFO running `"docker" "start" "-a" "2be366a81ff0fa69493a765dc33c6cc2dddc801aa21c23f9338a3b9ef3823fc6"` Aug 02 00:27:56.616 INFO kablam! Checking rls-span v0.4.0 Aug 02 00:27:56.984 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 00:27:56.985 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.4.0/src/lib.rs:12:1 Aug 02 00:27:56.985 INFO kablam! | Aug 02 00:27:56.985 INFO kablam! 12 | #![feature(proc_macro)] Aug 02 00:27:56.985 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 00:27:56.985 INFO kablam! Aug 02 00:27:56.986 INFO kablam! error: aborting due to previous error Aug 02 00:27:56.987 INFO kablam! Aug 02 00:27:56.987 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 00:27:57.014 INFO kablam! error: Could not compile `rls-span`. Aug 02 00:27:57.014 INFO kablam! Aug 02 00:27:57.014 INFO kablam! To learn more, run the command again with --verbose. Aug 02 00:27:57.015 INFO kablam! su: No module specific data is present Aug 02 00:27:57.563 INFO running `"docker" "rm" "-f" "2be366a81ff0fa69493a765dc33c6cc2dddc801aa21c23f9338a3b9ef3823fc6"` Aug 02 00:27:57.722 INFO blam! 2be366a81ff0fa69493a765dc33c6cc2dddc801aa21c23f9338a3b9ef3823fc6