Aug 01 19:17:43.435 INFO checking virtual_view-0.2.2 against 1.27.2+tmplazy for lazy_static-1
Aug 01 19:17:43.435 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:17:43.435 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:17:43.435 INFO running `"docker" "create" "-v" "/tmp/crater.7DKaIYXZBJEe:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 19:17:43.619 INFO blam! 8141239734dddc311b051a004f4dba1f4f30283639b977781a7298708ab8c53b
Aug 01 19:17:43.621 INFO running `"docker" "start" "-a" "8141239734dddc311b051a004f4dba1f4f30283639b977781a7298708ab8c53b"`
Aug 01 19:17:44.818 INFO kablam!     Checking messenger v0.1.0
Aug 01 19:17:45.348 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:17:45.349 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/messenger-0.1.0/src/lib.rs:1:1
Aug 01 19:17:45.349 INFO kablam!   |
Aug 01 19:17:45.349 INFO kablam! 1 | #![feature(integer_atomics)]
Aug 01 19:17:45.349 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:17:45.349 INFO kablam! 
Aug 01 19:17:45.349 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:17:45.349 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/messenger-0.1.0/src/lib.rs:2:1
Aug 01 19:17:45.349 INFO kablam!   |
Aug 01 19:17:45.349 INFO kablam! 2 | #![feature(conservative_impl_trait)]
Aug 01 19:17:45.349 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:17:45.349 INFO kablam! 
Aug 01 19:17:45.350 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:17:45.350 INFO kablam! 
Aug 01 19:17:45.350 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:17:45.363 INFO kablam! error: Could not compile `messenger`.
Aug 01 19:17:45.363 INFO kablam! 
Aug 01 19:17:45.363 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 19:17:45.365 INFO kablam! su: No module specific data is present
Aug 01 19:17:45.881 INFO running `"docker" "rm" "-f" "8141239734dddc311b051a004f4dba1f4f30283639b977781a7298708ab8c53b"`
Aug 01 19:17:46.045 INFO blam! 8141239734dddc311b051a004f4dba1f4f30283639b977781a7298708ab8c53b