Aug 02 03:47:59.373 INFO checking nbits_vec-0.1.1 against 1.27.2 for lazy_static-1
Aug 02 03:47:59.373 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:47:59.373 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:47:59.373 INFO running `"docker" "create" "-v" "/tmp/crater.q9yq7rXQTtOr:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 03:47:59.623 INFO blam! 648d323a46972fabdceae03ba3073c91f1ae818eb2c8950111fbfda8f7917386
Aug 02 03:47:59.624 INFO running `"docker" "start" "-a" "648d323a46972fabdceae03ba3073c91f1ae818eb2c8950111fbfda8f7917386"`
Aug 02 03:48:00.721 INFO kablam!     Checking nbits_vec v0.1.1 (file:///source)
Aug 02 03:48:01.441 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:48:01.441 INFO kablam!   --> src/lib.rs:28:1
Aug 02 03:48:01.441 INFO kablam!    |
Aug 02 03:48:01.441 INFO kablam! 28 | #![feature(alloc)]
Aug 02 03:48:01.441 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Aug 02 03:48:01.441 INFO kablam! 
Aug 02 03:48:01.447 INFO kablam! error: aborting due to previous error
Aug 02 03:48:01.447 INFO kablam! 
Aug 02 03:48:01.447 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:48:01.455 INFO kablam! error: Could not compile `nbits_vec`.
Aug 02 03:48:01.456 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:48:02.316 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:48:02.316 INFO kablam!   --> src/lib.rs:28:1
Aug 02 03:48:02.316 INFO kablam!    |
Aug 02 03:48:02.316 INFO kablam! 28 | #![feature(alloc)]
Aug 02 03:48:02.316 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Aug 02 03:48:02.316 INFO kablam! 
Aug 02 03:48:02.376 INFO kablam! error: aborting due to previous error
Aug 02 03:48:02.376 INFO kablam! 
Aug 02 03:48:02.376 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:48:02.398 INFO kablam! error: Could not compile `nbits_vec`.
Aug 02 03:48:02.398 INFO kablam! 
Aug 02 03:48:02.398 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:48:02.400 INFO kablam! su: No module specific data is present
Aug 02 03:48:03.130 INFO running `"docker" "rm" "-f" "648d323a46972fabdceae03ba3073c91f1ae818eb2c8950111fbfda8f7917386"`
Aug 02 03:48:03.292 INFO blam! 648d323a46972fabdceae03ba3073c91f1ae818eb2c8950111fbfda8f7917386