Aug 01 19:17:26.209 INFO checking virtual_view_dom-0.2.1 against 1.27.2+tmplazy for lazy_static-1
Aug 01 19:17:26.209 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:17:26.209 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:17:26.209 INFO running `"docker" "create" "-v" "/tmp/crater.ltfK64sjP60g:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 19:17:26.450 INFO blam! a0f38e1b597845777da318bad79c12950c62659a0c2a61fa5f5479dd435f2f39
Aug 01 19:17:26.453 INFO running `"docker" "start" "-a" "a0f38e1b597845777da318bad79c12950c62659a0c2a61fa5f5479dd435f2f39"`
Aug 01 19:17:27.374 INFO kablam!    Compiling stdweb-derive v0.4.0
Aug 01 19:17:27.375 INFO kablam!     Checking messenger v0.1.0
Aug 01 19:17:28.343 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:17:28.343 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/messenger-0.1.0/src/lib.rs:1:1
Aug 01 19:17:28.343 INFO kablam!   |
Aug 01 19:17:28.343 INFO kablam! 1 | #![feature(integer_atomics)]
Aug 01 19:17:28.343 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:17:28.344 INFO kablam! 
Aug 01 19:17:28.344 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:17:28.344 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/messenger-0.1.0/src/lib.rs:2:1
Aug 01 19:17:28.344 INFO kablam!   |
Aug 01 19:17:28.344 INFO kablam! 2 | #![feature(conservative_impl_trait)]
Aug 01 19:17:28.344 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:17:28.345 INFO kablam! 
Aug 01 19:17:28.347 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:17:28.347 INFO kablam! 
Aug 01 19:17:28.348 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:17:28.369 INFO kablam! error: Could not compile `messenger`.
Aug 01 19:17:28.369 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:17:33.931 INFO kablam! error: build failed
Aug 01 19:17:33.934 INFO kablam! su: No module specific data is present
Aug 01 19:17:34.822 INFO running `"docker" "rm" "-f" "a0f38e1b597845777da318bad79c12950c62659a0c2a61fa5f5479dd435f2f39"`
Aug 01 19:17:34.989 INFO blam! a0f38e1b597845777da318bad79c12950c62659a0c2a61fa5f5479dd435f2f39