Aug 01 19:35:13.248 INFO checking unix-0.4.2 against 1.27.2 for lazy_static-1
Aug 01 19:35:13.248 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:35:13.248 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:35:13.248 INFO running `"docker" "create" "-v" "/tmp/crater.LDF4RiJHkbwy:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 01 19:35:13.498 INFO blam! 50f6d98bfcde02f97b8d801e5f7a2c58eb1f57ff1ad8794a4bde7cb63a5dc7a3
Aug 01 19:35:13.503 INFO running `"docker" "start" "-a" "50f6d98bfcde02f97b8d801e5f7a2c58eb1f57ff1ad8794a4bde7cb63a5dc7a3"`
Aug 01 19:35:14.654 INFO kablam!    Compiling ptr v0.1.4
Aug 01 19:35:14.654 INFO kablam!    Compiling hash-table v0.2.2
Aug 01 19:35:14.654 INFO kablam!     Checking slot v0.2.4
Aug 01 19:35:14.655 INFO kablam!    Compiling containers v0.8.3
Aug 01 19:35:14.655 INFO kablam!     Checking rel v0.2.0
Aug 01 19:35:14.655 INFO kablam!    Compiling libc v0.2.42
Aug 01 19:35:14.657 INFO kablam!     Checking heap v0.1.0
Aug 01 19:35:14.659 INFO kablam!    Compiling i-o v0.4.1
Aug 01 19:35:15.739 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:35:15.739 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.4/src/lib.rs:3:1
Aug 01 19:35:15.739 INFO kablam!   |
Aug 01 19:35:15.739 INFO kablam! 3 | #![feature(const_fn)]
Aug 01 19:35:15.739 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:35:15.740 INFO kablam! 
Aug 01 19:35:15.740 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:35:15.741 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/slot-0.2.4/src/lib.rs:4:1
Aug 01 19:35:15.741 INFO kablam!   |
Aug 01 19:35:15.741 INFO kablam! 4 | #![feature(untagged_unions)]
Aug 01 19:35:15.741 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:35:15.741 INFO kablam! 
Aug 01 19:35:15.742 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:35:15.742 INFO kablam! 
Aug 01 19:35:15.742 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:35:15.748 INFO kablam! error: Could not compile `slot`.
Aug 01 19:35:15.749 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:35:18.989 INFO kablam! error: build failed
Aug 01 19:35:18.990 INFO kablam! su: No module specific data is present
Aug 01 19:35:19.509 INFO running `"docker" "rm" "-f" "50f6d98bfcde02f97b8d801e5f7a2c58eb1f57ff1ad8794a4bde7cb63a5dc7a3"`
Aug 01 19:35:19.667 INFO blam! 50f6d98bfcde02f97b8d801e5f7a2c58eb1f57ff1ad8794a4bde7cb63a5dc7a3