Aug 02 01:36:50.720 INFO checking qecs-core-0.0.10 against 1.27.2+tmplazy for lazy_static-1
Aug 02 01:36:50.720 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:36:50.720 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:36:50.720 INFO running `"docker" "create" "-v" "/tmp/crater.wagq5LueCXQZ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 01:36:51.093 INFO blam! 5af5475535c26f9d14febf3e3971c61ca42cc7bdcef257e9fc8905aa716c58ce
Aug 02 01:36:51.096 INFO running `"docker" "start" "-a" "5af5475535c26f9d14febf3e3971c61ca42cc7bdcef257e9fc8905aa716c58ce"`
Aug 02 01:36:52.176 INFO kablam!     Checking downcast v0.2.3
Aug 02 01:36:52.656 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:36:52.656 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.2.3/src/lib.rs:1:1
Aug 02 01:36:52.656 INFO kablam!   |
Aug 02 01:36:52.656 INFO kablam! 1 | #![feature(get_type_id)]
Aug 02 01:36:52.656 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:36:52.656 INFO kablam! 
Aug 02 01:36:52.656 INFO kablam! error: aborting due to previous error
Aug 02 01:36:52.656 INFO kablam! 
Aug 02 01:36:52.656 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:36:52.664 INFO kablam! error: Could not compile `downcast`.
Aug 02 01:36:52.664 INFO kablam! 
Aug 02 01:36:52.664 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 01:36:52.666 INFO kablam! su: No module specific data is present
Aug 02 01:36:53.292 INFO running `"docker" "rm" "-f" "5af5475535c26f9d14febf3e3971c61ca42cc7bdcef257e9fc8905aa716c58ce"`
Aug 02 01:36:53.447 INFO blam! 5af5475535c26f9d14febf3e3971c61ca42cc7bdcef257e9fc8905aa716c58ce