Aug 02 03:57:53.328 INFO checking muxrpc-0.2.0 against 1.27.2 for lazy_static-1
Aug 02 03:57:53.328 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:57:53.328 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:57:53.328 INFO running `"docker" "create" "-v" "/tmp/crater.ccxxEO7Df7ks:/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 02 03:57:53.582 INFO blam! b273508b66aacb73e6136915d72272e42a84eb7f9683895a97ecb9457916737d
Aug 02 03:57:53.584 INFO running `"docker" "start" "-a" "b273508b66aacb73e6136915d72272e42a84eb7f9683895a97ecb9457916737d"`
Aug 02 03:57:55.036 INFO kablam!     Checking async-ringbuffer v0.1.0
Aug 02 03:57:55.056 INFO kablam!     Checking atm-async-utils v0.1.2
Aug 02 03:57:55.058 INFO kablam!     Checking partial-io v0.2.5
Aug 02 03:57:55.935 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:57:55.935 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/async-ringbuffer-0.1.0/src/lib.rs:4:1
Aug 02 03:57:55.935 INFO kablam!   |
Aug 02 03:57:55.935 INFO kablam! 4 | #![feature(offset_to)]
Aug 02 03:57:55.935 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:57:55.935 INFO kablam! 
Aug 02 03:57:55.936 INFO kablam! error: aborting due to previous error
Aug 02 03:57:55.936 INFO kablam! 
Aug 02 03:57:55.936 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:57:55.945 INFO kablam! error: Could not compile `async-ringbuffer`.
Aug 02 03:57:55.945 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:57:57.033 INFO kablam! error: build failed
Aug 02 03:57:57.035 INFO kablam! su: No module specific data is present
Aug 02 03:57:57.691 INFO running `"docker" "rm" "-f" "b273508b66aacb73e6136915d72272e42a84eb7f9683895a97ecb9457916737d"`
Aug 02 03:57:57.818 INFO blam! b273508b66aacb73e6136915d72272e42a84eb7f9683895a97ecb9457916737d