Aug 02 02:30:41.873 INFO checking persistent_array-0.5.0 against 1.27.2 for lazy_static-1 Aug 02 02:30:41.873 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 02:30:41.873 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 02:30:41.873 INFO running `"docker" "create" "-v" "/tmp/crater.uR23wdMbQUh1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 02:30:42.098 INFO blam! 3dab57e295a88b6e7e702e702923dbc869ab32524279d0ebb913cef6ead8208c Aug 02 02:30:42.098 INFO running `"docker" "start" "-a" "3dab57e295a88b6e7e702e702923dbc869ab32524279d0ebb913cef6ead8208c"` Aug 02 02:30:43.158 INFO kablam! Checking layout_id v0.3.0 Aug 02 02:30:43.716 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 02:30:43.716 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/layout_id-0.3.0/src/lib.rs:9:1 Aug 02 02:30:43.716 INFO kablam! | Aug 02 02:30:43.716 INFO kablam! 9 | #![feature(core_intrinsics)] Aug 02 02:30:43.716 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 02:30:43.716 INFO kablam! Aug 02 02:30:43.717 INFO kablam! error: aborting due to previous error Aug 02 02:30:43.717 INFO kablam! Aug 02 02:30:43.717 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 02:30:43.727 INFO kablam! error: Could not compile `layout_id`. Aug 02 02:30:43.727 INFO kablam! Aug 02 02:30:43.727 INFO kablam! To learn more, run the command again with --verbose. Aug 02 02:30:43.730 INFO kablam! su: No module specific data is present Aug 02 02:30:45.079 INFO running `"docker" "rm" "-f" "3dab57e295a88b6e7e702e702923dbc869ab32524279d0ebb913cef6ead8208c"` Aug 02 02:30:45.182 INFO blam! 3dab57e295a88b6e7e702e702923dbc869ab32524279d0ebb913cef6ead8208c