Aug 01 22:12:22.194 INFO checking simd-alt-0.2.0 against 1.27.2 for lazy_static-1
Aug 01 22:12:22.194 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:12:22.194 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:12:22.195 INFO running `"docker" "create" "-v" "/tmp/crater.gB6AHy78y9Oz:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 01 22:12:22.407 INFO blam! 52cee2461a1a8616ddb17e6d3587a3186f612cea72df417aefcf4dd2afecfa2a
Aug 01 22:12:22.409 INFO running `"docker" "start" "-a" "52cee2461a1a8616ddb17e6d3587a3186f612cea72df417aefcf4dd2afecfa2a"`
Aug 01 22:12:23.279 INFO kablam!     Checking simd-alt v0.2.0 (file:///source)
Aug 01 22:12:23.998 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:12:23.998 INFO kablam!   --> src/lib.rs:19:1
Aug 01 22:12:23.998 INFO kablam!    |
Aug 01 22:12:23.998 INFO kablam! 19 | #![feature(cfg_target_feature, repr_simd, platform_intrinsics, const_fn)]
Aug 01 22:12:23.998 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:12:23.999 INFO kablam! 
Aug 01 22:12:24.056 INFO kablam! error: aborting due to previous error
Aug 01 22:12:24.057 INFO kablam! 
Aug 01 22:12:24.057 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:12:24.066 INFO kablam! error: Could not compile `simd-alt`.
Aug 01 22:12:24.066 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:12:24.227 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:12:24.227 INFO kablam!   --> src/lib.rs:19:1
Aug 01 22:12:24.227 INFO kablam!    |
Aug 01 22:12:24.227 INFO kablam! 19 | #![feature(cfg_target_feature, repr_simd, platform_intrinsics, const_fn)]
Aug 01 22:12:24.227 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:12:24.227 INFO kablam! 
Aug 01 22:12:24.263 INFO kablam! error: aborting due to previous error
Aug 01 22:12:24.263 INFO kablam! 
Aug 01 22:12:24.266 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:12:24.272 INFO kablam! error: Could not compile `simd-alt`.
Aug 01 22:12:24.272 INFO kablam! 
Aug 01 22:12:24.272 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:12:24.273 INFO kablam! su: No module specific data is present
Aug 01 22:12:24.814 INFO running `"docker" "rm" "-f" "52cee2461a1a8616ddb17e6d3587a3186f612cea72df417aefcf4dd2afecfa2a"`
Aug 01 22:12:24.984 INFO blam! 52cee2461a1a8616ddb17e6d3587a3186f612cea72df417aefcf4dd2afecfa2a