Aug 01 19:23:07.138 INFO checking varu64-0.4.1 against 1.27.2 for lazy_static-1
Aug 01 19:23:07.138 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:23:07.138 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:23:07.138 INFO running `"docker" "create" "-v" "/tmp/crater.5TjqD0d1fb37:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 19:23:07.338 INFO blam! a5d7bd931f3c370bac18dd87c2023e7706f55964db3793daa4de4f801e120b4b
Aug 01 19:23:07.339 INFO running `"docker" "start" "-a" "a5d7bd931f3c370bac18dd87c2023e7706f55964db3793daa4de4f801e120b4b"`
Aug 01 19:23:08.237 INFO kablam!     Checking either v1.5.0
Aug 01 19:23:08.238 INFO kablam!     Checking env_logger v0.5.11
Aug 01 19:23:08.752 INFO kablam!     Checking futures-core v0.2.1
Aug 01 19:23:09.467 INFO kablam!     Checking quickcheck v0.6.2
Aug 01 19:23:09.615 INFO kablam!     Checking futures-channel v0.2.1
Aug 01 19:23:09.616 INFO kablam!     Checking futures-io v0.2.1
Aug 01 19:23:10.316 INFO kablam!     Checking async-codec v0.3.0
Aug 01 19:23:10.317 INFO kablam!     Checking async-ringbuffer v0.3.1
Aug 01 19:23:10.845 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:23:10.845 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/async-ringbuffer-0.3.1/src/lib.rs:4:1
Aug 01 19:23:10.845 INFO kablam!   |
Aug 01 19:23:10.845 INFO kablam! 4 | #![feature(offset_to)]
Aug 01 19:23:10.845 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:23:10.845 INFO kablam! 
Aug 01 19:23:10.846 INFO kablam! error: aborting due to previous error
Aug 01 19:23:10.846 INFO kablam! 
Aug 01 19:23:10.846 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:23:10.872 INFO kablam! error: Could not compile `async-ringbuffer`.
Aug 01 19:23:10.873 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:23:12.987 INFO kablam! error: build failed
Aug 01 19:23:12.989 INFO kablam! su: No module specific data is present
Aug 01 19:23:13.499 INFO running `"docker" "rm" "-f" "a5d7bd931f3c370bac18dd87c2023e7706f55964db3793daa4de4f801e120b4b"`
Aug 01 19:23:13.655 INFO blam! a5d7bd931f3c370bac18dd87c2023e7706f55964db3793daa4de4f801e120b4b