Aug 02 11:27:46.930 INFO checking diff-0.1.11 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:27:46.930 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:27:46.930 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:27:46.930 INFO running `"docker" "create" "-v" "/tmp/crater.tgbejDAilhu2:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 02 11:27:47.197 INFO blam! f744fd3215c0d21b54f84de670ee0bc258c2cf5a8fff31f0ea7a10370b102242
Aug 02 11:27:47.199 INFO running `"docker" "start" "-a" "f744fd3215c0d21b54f84de670ee0bc258c2cf5a8fff31f0ea7a10370b102242"`
Aug 02 11:27:48.662 INFO kablam!    Compiling speculate v0.0.25
Aug 02 11:27:48.663 INFO kablam!     Checking diff v0.1.11 (file:///source)
Aug 02 11:27:51.512 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:27:51.512 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/speculate-0.0.25/src/lib.rs:1:1
Aug 02 11:27:51.512 INFO kablam!   |
Aug 02 11:27:51.512 INFO kablam! 1 | #![feature(rustc_private)]
Aug 02 11:27:51.512 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:27:51.512 INFO kablam! 
Aug 02 11:27:51.512 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:27:51.512 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/speculate-0.0.25/src/lib.rs:2:1
Aug 02 11:27:51.512 INFO kablam!   |
Aug 02 11:27:51.512 INFO kablam! 2 | #![feature(plugin_registrar, quote)]
Aug 02 11:27:51.512 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:27:51.512 INFO kablam! 
Aug 02 11:27:51.512 INFO kablam! error: aborting due to 2 previous errors
Aug 02 11:27:51.512 INFO kablam! 
Aug 02 11:27:51.513 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:27:51.534 INFO kablam! error: Could not compile `speculate`.
Aug 02 11:27:51.534 INFO kablam! 
Aug 02 11:27:51.534 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:27:51.535 INFO kablam! su: No module specific data is present
Aug 02 11:27:52.218 INFO running `"docker" "rm" "-f" "f744fd3215c0d21b54f84de670ee0bc258c2cf5a8fff31f0ea7a10370b102242"`
Aug 02 11:27:52.374 INFO blam! f744fd3215c0d21b54f84de670ee0bc258c2cf5a8fff31f0ea7a10370b102242