Aug 02 03:34:48.667 INFO checking nibble-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 03:34:48.667 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:34:48.667 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:34:48.667 INFO running `"docker" "create" "-v" "/tmp/crater.TCKqgIqguf07:/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 02 03:34:48.955 INFO blam! 83b39de20ab20419483359e912fa42360231bd483089f1dd8a10dbfad7ce66c6
Aug 02 03:34:48.957 INFO running `"docker" "start" "-a" "83b39de20ab20419483359e912fa42360231bd483089f1dd8a10dbfad7ce66c6"`
Aug 02 03:34:49.953 INFO kablam!     Checking arrayvec v0.4.7
Aug 02 03:34:51.698 INFO kablam!     Checking nibble v0.1.0 (file:///source)
Aug 02 03:34:52.620 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:34:52.620 INFO kablam!  --> src/lib.rs:6:1
Aug 02 03:34:52.620 INFO kablam!   |
Aug 02 03:34:52.620 INFO kablam! 6 | #![feature(try_from)]
Aug 02 03:34:52.620 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:34:52.620 INFO kablam! 
Aug 02 03:34:52.620 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:34:52.620 INFO kablam!  --> src/lib.rs:8:1
Aug 02 03:34:52.620 INFO kablam!   |
Aug 02 03:34:52.620 INFO kablam! 8 | #![feature(trace_macros)]
Aug 02 03:34:52.620 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:34:52.620 INFO kablam! 
Aug 02 03:34:52.645 INFO kablam! error: aborting due to 2 previous errors
Aug 02 03:34:52.645 INFO kablam! 
Aug 02 03:34:52.646 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:34:52.659 INFO kablam! error: Could not compile `nibble`.
Aug 02 03:34:52.659 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:34:52.696 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:34:52.696 INFO kablam!  --> src/lib.rs:6:1
Aug 02 03:34:52.696 INFO kablam!   |
Aug 02 03:34:52.696 INFO kablam! 6 | #![feature(try_from)]
Aug 02 03:34:52.696 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:34:52.696 INFO kablam! 
Aug 02 03:34:52.696 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:34:52.696 INFO kablam!  --> src/lib.rs:8:1
Aug 02 03:34:52.696 INFO kablam!   |
Aug 02 03:34:52.696 INFO kablam! 8 | #![feature(trace_macros)]
Aug 02 03:34:52.696 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:34:52.697 INFO kablam! 
Aug 02 03:34:52.712 INFO kablam! error: aborting due to 2 previous errors
Aug 02 03:34:52.713 INFO kablam! 
Aug 02 03:34:52.721 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:34:52.731 INFO kablam! error: Could not compile `nibble`.
Aug 02 03:34:52.731 INFO kablam! 
Aug 02 03:34:52.731 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:34:52.733 INFO kablam! su: No module specific data is present
Aug 02 03:34:53.278 INFO running `"docker" "rm" "-f" "83b39de20ab20419483359e912fa42360231bd483089f1dd8a10dbfad7ce66c6"`
Aug 02 03:34:53.432 INFO blam! 83b39de20ab20419483359e912fa42360231bd483089f1dd8a10dbfad7ce66c6