Aug 02 10:23:15.655 INFO checking fastchr-0.3.0 against 1.27.2 for lazy_static-1
Aug 02 10:23:15.655 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:23:15.655 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:23:15.655 INFO running `"docker" "create" "-v" "/tmp/crater.Rtup4y6PFcb1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 10:23:15.909 INFO blam! c6e72748ab9142c2ef98a6e450b390a6d4e490807256688bc2f52d4fb1794d20
Aug 02 10:23:15.918 INFO running `"docker" "start" "-a" "c6e72748ab9142c2ef98a6e450b390a6d4e490807256688bc2f52d4fb1794d20"`
Aug 02 10:23:17.279 INFO kablam!     Checking fastchr v0.3.0 (file:///source)
Aug 02 10:23:17.283 INFO kablam!     Checking criterion v0.2.4
Aug 02 10:23:17.859 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:23:17.860 INFO kablam!  --> src/lib.rs:6:1
Aug 02 10:23:17.860 INFO kablam!   |
Aug 02 10:23:17.860 INFO kablam! 6 | #![feature(stdsimd)]
Aug 02 10:23:17.860 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 02 10:23:17.860 INFO kablam! 
Aug 02 10:23:17.861 INFO kablam! error: aborting due to previous error
Aug 02 10:23:17.861 INFO kablam! 
Aug 02 10:23:17.862 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:23:17.869 INFO kablam! error: Could not compile `fastchr`.
Aug 02 10:23:17.869 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:23:22.655 INFO kablam! error: build failed
Aug 02 10:23:22.659 INFO kablam! su: No module specific data is present
Aug 02 10:23:23.239 INFO running `"docker" "rm" "-f" "c6e72748ab9142c2ef98a6e450b390a6d4e490807256688bc2f52d4fb1794d20"`
Aug 02 10:23:23.384 INFO blam! c6e72748ab9142c2ef98a6e450b390a6d4e490807256688bc2f52d4fb1794d20