Aug 02 03:34:47.330 INFO checking nibble-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 03:34:47.330 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:34:47.330 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:34:47.330 INFO running `"docker" "create" "-v" "/tmp/crater.3zItVp4Z8m1q:/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 02 03:34:47.553 INFO blam! 7821542e825cc992b6c1cb986bfd9396542f898b45e860da45ec83e5b3fd5a02
Aug 02 03:34:47.555 INFO running `"docker" "start" "-a" "7821542e825cc992b6c1cb986bfd9396542f898b45e860da45ec83e5b3fd5a02"`
Aug 02 03:34:48.739 INFO kablam!     Checking arrayvec v0.4.7
Aug 02 03:34:50.523 INFO kablam!     Checking nibble v0.1.0 (file:///source)
Aug 02 03:34:51.172 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:34:51.172 INFO kablam!  --> src/lib.rs:6:1
Aug 02 03:34:51.173 INFO kablam!   |
Aug 02 03:34:51.173 INFO kablam! 6 | #![feature(try_from)]
Aug 02 03:34:51.173 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:34:51.173 INFO kablam! 
Aug 02 03:34:51.173 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:34:51.173 INFO kablam!  --> src/lib.rs:8:1
Aug 02 03:34:51.173 INFO kablam!   |
Aug 02 03:34:51.173 INFO kablam! 8 | #![feature(trace_macros)]
Aug 02 03:34:51.173 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:34:51.173 INFO kablam! 
Aug 02 03:34:51.187 INFO kablam! error: aborting due to 2 previous errors
Aug 02 03:34:51.187 INFO kablam! 
Aug 02 03:34:51.187 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:34:51.196 INFO kablam! error: Could not compile `nibble`.
Aug 02 03:34:51.196 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:34:51.216 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:34:51.216 INFO kablam!  --> src/lib.rs:6:1
Aug 02 03:34:51.216 INFO kablam!   |
Aug 02 03:34:51.216 INFO kablam! 6 | #![feature(try_from)]
Aug 02 03:34:51.216 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:34:51.216 INFO kablam! 
Aug 02 03:34:51.219 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:34:51.219 INFO kablam!  --> src/lib.rs:8:1
Aug 02 03:34:51.219 INFO kablam!   |
Aug 02 03:34:51.219 INFO kablam! 8 | #![feature(trace_macros)]
Aug 02 03:34:51.219 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:34:51.219 INFO kablam! 
Aug 02 03:34:51.234 INFO kablam! error: aborting due to 2 previous errors
Aug 02 03:34:51.234 INFO kablam! 
Aug 02 03:34:51.234 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:34:51.243 INFO kablam! error: Could not compile `nibble`.
Aug 02 03:34:51.243 INFO kablam! 
Aug 02 03:34:51.243 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:34:51.245 INFO kablam! su: No module specific data is present
Aug 02 03:34:51.810 INFO running `"docker" "rm" "-f" "7821542e825cc992b6c1cb986bfd9396542f898b45e860da45ec83e5b3fd5a02"`
Aug 02 03:34:51.969 INFO blam! 7821542e825cc992b6c1cb986bfd9396542f898b45e860da45ec83e5b3fd5a02