Aug 02 02:47:53.765 INFO checking packet-stream-codec-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 02:47:53.765 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:47:53.765 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:47:53.766 INFO running `"docker" "create" "-v" "/tmp/crater.nEE10oANAqwc:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 02:47:54.006 INFO blam! b205852403c6f792d51730d668153e9e8c89e2ae3ccaf043cc11b798e873f127
Aug 02 02:47:54.009 INFO running `"docker" "start" "-a" "b205852403c6f792d51730d668153e9e8c89e2ae3ccaf043cc11b798e873f127"`
Aug 02 02:47:54.940 INFO kablam!     Checking async-ringbuffer v0.1.0
Aug 02 02:47:54.941 INFO kablam!     Checking atm-io-utils v0.1.0
Aug 02 02:47:54.944 INFO kablam!     Checking partial-io v0.2.5
Aug 02 02:47:56.281 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:47:56.281 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/async-ringbuffer-0.1.0/src/lib.rs:4:1
Aug 02 02:47:56.281 INFO kablam!   |
Aug 02 02:47:56.281 INFO kablam! 4 | #![feature(offset_to)]
Aug 02 02:47:56.281 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:47:56.281 INFO kablam! 
Aug 02 02:47:56.282 INFO kablam! error: aborting due to previous error
Aug 02 02:47:56.283 INFO kablam! 
Aug 02 02:47:56.283 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:47:56.309 INFO kablam! error: Could not compile `async-ringbuffer`.
Aug 02 02:47:56.309 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:47:57.449 INFO kablam! error: build failed
Aug 02 02:47:57.451 INFO kablam! su: No module specific data is present
Aug 02 02:47:58.094 INFO running `"docker" "rm" "-f" "b205852403c6f792d51730d668153e9e8c89e2ae3ccaf043cc11b798e873f127"`
Aug 02 02:47:58.257 INFO blam! b205852403c6f792d51730d668153e9e8c89e2ae3ccaf043cc11b798e873f127