Aug 01 18:19:58.184 INFO checking yansi-0.4.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 18:19:58.184 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:19:58.184 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:19:58.184 INFO running `"docker" "create" "-v" "/tmp/crater.P2xUXQ6D8OyG:/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 18:19:58.366 INFO blam! 8dc0b913501aa1c5bda17115a35f4500bd6dae7eec71239b8f584a8fe4d70b3c
Aug 01 18:19:58.371 INFO running `"docker" "start" "-a" "8dc0b913501aa1c5bda17115a35f4500bd6dae7eec71239b8f584a8fe4d70b3c"`
Aug 01 18:19:59.397 INFO kablam!     Checking yansi v0.4.0 (file:///source)
Aug 01 18:19:59.400 INFO kablam!     Checking parking_lot_core v0.2.14
Aug 01 18:19:59.955 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:19:59.955 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.2.14/src/lib.rs:41:60
Aug 01 18:19:59.955 INFO kablam!    |
Aug 01 18:19:59.955 INFO kablam! 41 | #![cfg_attr(all(feature = "nightly", target_os = "linux"), feature(integer_atomics))]
Aug 01 18:19:59.955 INFO kablam!    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 18:19:59.956 INFO kablam! 
Aug 01 18:19:59.960 INFO kablam! error: aborting due to previous error
Aug 01 18:19:59.961 INFO kablam! 
Aug 01 18:19:59.962 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:19:59.976 INFO kablam! error: Could not compile `parking_lot_core`.
Aug 01 18:19:59.976 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:20:01.191 INFO kablam! error: build failed
Aug 01 18:20:01.192 INFO kablam! su: No module specific data is present
Aug 01 18:20:01.647 INFO running `"docker" "rm" "-f" "8dc0b913501aa1c5bda17115a35f4500bd6dae7eec71239b8f584a8fe4d70b3c"`
Aug 01 18:20:01.791 INFO blam! 8dc0b913501aa1c5bda17115a35f4500bd6dae7eec71239b8f584a8fe4d70b3c