Aug 02 14:03:34.695 INFO checking bitfield-rle-0.0.0 against 1.27.2 for lazy_static-1
Aug 02 14:03:34.695 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:03:34.695 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:03:34.695 INFO running `"docker" "create" "-v" "/tmp/crater.K9mVY6TKeRpy:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 14:03:34.963 INFO blam! 7c906bc8baa14a8376237a29ce7bd5d75f57a5a3ac9e62ec4b5273994a044a14
Aug 02 14:03:34.965 INFO running `"docker" "start" "-a" "7c906bc8baa14a8376237a29ce7bd5d75f57a5a3ac9e62ec4b5273994a044a14"`
Aug 02 14:03:36.070 INFO kablam!     Checking memory-pager v0.4.6
Aug 02 14:03:36.073 INFO kablam!     Checking varinteger v1.0.6
Aug 02 14:03:37.018 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:03:37.018 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/memory-pager-0.4.6/src/lib.rs:2:1
Aug 02 14:03:37.018 INFO kablam!   |
Aug 02 14:03:37.018 INFO kablam! 2 | #![feature(external_doc)]
Aug 02 14:03:37.018 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:03:37.018 INFO kablam! 
Aug 02 14:03:37.018 INFO kablam! error: aborting due to previous error
Aug 02 14:03:37.018 INFO kablam! 
Aug 02 14:03:37.019 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:03:37.049 INFO kablam! error: Could not compile `memory-pager`.
Aug 02 14:03:37.049 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:03:37.106 INFO kablam! error: build failed
Aug 02 14:03:37.109 INFO kablam! su: No module specific data is present
Aug 02 14:03:37.706 INFO running `"docker" "rm" "-f" "7c906bc8baa14a8376237a29ce7bd5d75f57a5a3ac9e62ec4b5273994a044a14"`
Aug 02 14:03:37.872 INFO blam! 7c906bc8baa14a8376237a29ce7bd5d75f57a5a3ac9e62ec4b5273994a044a14