Aug 01 22:55:21.487 INFO checking scrapmetal-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 22:55:21.487 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:55:21.487 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:55:21.488 INFO running `"docker" "create" "-v" "/tmp/crater.zoAdFvOrOCn1:/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 01 22:55:21.744 INFO blam! 7f03982aa7fc92f22402777cb5fc071c8d18794bbcd2357c5a63370006478cac
Aug 01 22:55:21.746 INFO running `"docker" "start" "-a" "7f03982aa7fc92f22402777cb5fc071c8d18794bbcd2357c5a63370006478cac"`
Aug 01 22:55:22.642 INFO kablam!     Checking scrapmetal v0.1.0 (file:///source)
Aug 01 22:55:22.643 INFO kablam!    Compiling scrapmetal-derive v0.1.0
Aug 01 22:55:23.193 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:55:23.193 INFO kablam!  --> src/lib.rs:7:1
Aug 01 22:55:23.193 INFO kablam!   |
Aug 01 22:55:23.193 INFO kablam! 7 | #![feature(specialization)]
Aug 01 22:55:23.193 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:55:23.193 INFO kablam! 
Aug 01 22:55:23.196 INFO kablam! error: aborting due to previous error
Aug 01 22:55:23.196 INFO kablam! 
Aug 01 22:55:23.196 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:55:23.211 INFO kablam! error: Could not compile `scrapmetal`.
Aug 01 22:55:23.212 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:55:27.685 INFO kablam! error: build failed
Aug 01 22:55:27.686 INFO kablam! su: No module specific data is present
Aug 01 22:55:28.547 INFO running `"docker" "rm" "-f" "7f03982aa7fc92f22402777cb5fc071c8d18794bbcd2357c5a63370006478cac"`
Aug 01 22:55:28.696 INFO blam! 7f03982aa7fc92f22402777cb5fc071c8d18794bbcd2357c5a63370006478cac