Aug 02 10:23:15.322 INFO checking fastchr-0.3.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 10:23:15.322 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:23:15.322 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:23:15.322 INFO running `"docker" "create" "-v" "/tmp/crater.80QmrrgCadE8:/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 10:23:15.623 INFO blam! 08089335d60ae790dfe7db53cdc2d9aa78c2490e459c21e7aec0b4ddca02617c
Aug 02 10:23:15.623 INFO running `"docker" "start" "-a" "08089335d60ae790dfe7db53cdc2d9aa78c2490e459c21e7aec0b4ddca02617c"`
Aug 02 10:23:16.760 INFO kablam!     Checking fastchr v0.3.0 (file:///source)
Aug 02 10:23:16.762 INFO kablam!     Checking criterion v0.2.4
Aug 02 10:23:17.389 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:23:17.389 INFO kablam!  --> src/lib.rs:6:1
Aug 02 10:23:17.389 INFO kablam!   |
Aug 02 10:23:17.389 INFO kablam! 6 | #![feature(stdsimd)]
Aug 02 10:23:17.389 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 02 10:23:17.389 INFO kablam! 
Aug 02 10:23:17.390 INFO kablam! error: aborting due to previous error
Aug 02 10:23:17.390 INFO kablam! 
Aug 02 10:23:17.390 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:23:17.404 INFO kablam! error: Could not compile `fastchr`.
Aug 02 10:23:17.404 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:23:21.836 INFO kablam! error: build failed
Aug 02 10:23:21.838 INFO kablam! su: No module specific data is present
Aug 02 10:23:22.531 INFO running `"docker" "rm" "-f" "08089335d60ae790dfe7db53cdc2d9aa78c2490e459c21e7aec0b4ddca02617c"`
Aug 02 10:23:22.670 INFO blam! 08089335d60ae790dfe7db53cdc2d9aa78c2490e459c21e7aec0b4ddca02617c