Aug 02 02:50:01.197 INFO checking oxerun-0.0.0-pre against 1.27.2+tmplazy for lazy_static-1 Aug 02 02:50:01.197 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 02:50:01.197 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 02:50:01.197 INFO running `"docker" "create" "-v" "/tmp/crater.jYqGnN3Ojd0R:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 02:50:01.422 INFO blam! 640946cb49a9d19aa59f0c8cc55768cae68565530e8c23a513ffece8f4a1164d Aug 02 02:50:01.426 INFO running `"docker" "start" "-a" "640946cb49a9d19aa59f0c8cc55768cae68565530e8c23a513ffece8f4a1164d"` Aug 02 02:50:02.765 INFO kablam! Checking xen-sys v0.0.0-pre Aug 02 02:50:03.004 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 02:50:03.004 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/xen-sys-0.0.0-pre/src/lib.rs:11:1 Aug 02 02:50:03.004 INFO kablam! | Aug 02 02:50:03.004 INFO kablam! 11 | #![feature(asm)] Aug 02 02:50:03.004 INFO kablam! | ^^^^^^^^^^^^^^^^ Aug 02 02:50:03.005 INFO kablam! Aug 02 02:50:03.005 INFO kablam! error: aborting due to previous error Aug 02 02:50:03.005 INFO kablam! Aug 02 02:50:03.005 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 02:50:03.012 INFO kablam! error: Could not compile `xen-sys`. Aug 02 02:50:03.013 INFO kablam! Aug 02 02:50:03.013 INFO kablam! To learn more, run the command again with --verbose. Aug 02 02:50:03.015 INFO kablam! su: No module specific data is present Aug 02 02:50:03.591 INFO running `"docker" "rm" "-f" "640946cb49a9d19aa59f0c8cc55768cae68565530e8c23a513ffece8f4a1164d"` Aug 02 02:50:03.769 INFO blam! 640946cb49a9d19aa59f0c8cc55768cae68565530e8c23a513ffece8f4a1164d