Aug 01 22:42:59.370 INFO checking sendfile-0.2.0 against 1.27.2+tmplazy for lazy_static-1 Aug 01 22:42:59.370 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 01 22:42:59.370 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 01 22:42:59.371 INFO running `"docker" "create" "-v" "/tmp/crater.5gyMksBqzRXj:/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 01 22:42:59.642 INFO blam! b2d78ce33ecda794ee29c2e298d75ef01d11e1e27b40d0196ff88bbc3e5c1e13 Aug 01 22:42:59.649 INFO running `"docker" "start" "-a" "b2d78ce33ecda794ee29c2e298d75ef01d11e1e27b40d0196ff88bbc3e5c1e13"` Aug 01 22:43:00.604 INFO kablam! Checking syscall v0.2.1 Aug 01 22:43:00.941 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 01 22:43:00.941 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/syscall-0.2.1/src/lib.rs:15:1 Aug 01 22:43:00.941 INFO kablam! | Aug 01 22:43:00.941 INFO kablam! 15 | #![feature(asm)] Aug 01 22:43:00.941 INFO kablam! | ^^^^^^^^^^^^^^^^ Aug 01 22:43:00.941 INFO kablam! Aug 01 22:43:00.942 INFO kablam! error: aborting due to previous error Aug 01 22:43:00.942 INFO kablam! Aug 01 22:43:00.942 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 01 22:43:00.947 INFO kablam! error: Could not compile `syscall`. Aug 01 22:43:00.948 INFO kablam! Aug 01 22:43:00.948 INFO kablam! To learn more, run the command again with --verbose. Aug 01 22:43:00.950 INFO kablam! su: No module specific data is present Aug 01 22:43:01.562 INFO running `"docker" "rm" "-f" "b2d78ce33ecda794ee29c2e298d75ef01d11e1e27b40d0196ff88bbc3e5c1e13"` Aug 01 22:43:01.742 INFO blam! b2d78ce33ecda794ee29c2e298d75ef01d11e1e27b40d0196ff88bbc3e5c1e13