Aug 02 11:42:12.454 INFO checking derbyjson-0.0.3 against 1.27.2 for lazy_static-1
Aug 02 11:42:12.454 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:42:12.454 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:42:12.454 INFO running `"docker" "create" "-v" "/tmp/crater.y5Dy40hk7Sdf:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 11:42:12.703 INFO blam! fd1ff613f025446b4edd017c1ca3f40e030b836696fbc223fae2661a13283d6a
Aug 02 11:42:12.709 INFO running `"docker" "start" "-a" "fd1ff613f025446b4edd017c1ca3f40e030b836696fbc223fae2661a13283d6a"`
Aug 02 11:42:13.848 INFO kablam!     Checking derbyjson v0.0.3 (file:///source)
Aug 02 11:42:23.205 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:42:23.205 INFO kablam!  --> src/lib.rs:4:1
Aug 02 11:42:23.205 INFO kablam!   |
Aug 02 11:42:23.205 INFO kablam! 4 | #![feature(custom_attribute)]
Aug 02 11:42:23.205 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:42:23.206 INFO kablam! 
Aug 02 11:42:23.267 INFO kablam! error: aborting due to previous error
Aug 02 11:42:23.272 INFO kablam! 
Aug 02 11:42:23.272 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:42:23.296 INFO kablam! error: Could not compile `derbyjson`.
Aug 02 11:42:23.296 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:42:23.828 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:42:23.828 INFO kablam!  --> src/lib.rs:4:1
Aug 02 11:42:23.828 INFO kablam!   |
Aug 02 11:42:23.828 INFO kablam! 4 | #![feature(custom_attribute)]
Aug 02 11:42:23.828 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:42:23.829 INFO kablam! 
Aug 02 11:42:23.884 INFO kablam! error: aborting due to previous error
Aug 02 11:42:23.884 INFO kablam! 
Aug 02 11:42:23.884 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:42:23.899 INFO kablam! error: Could not compile `derbyjson`.
Aug 02 11:42:23.899 INFO kablam! 
Aug 02 11:42:23.899 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:42:23.900 INFO kablam! su: No module specific data is present
Aug 02 11:42:24.546 INFO running `"docker" "rm" "-f" "fd1ff613f025446b4edd017c1ca3f40e030b836696fbc223fae2661a13283d6a"`
Aug 02 11:42:24.707 INFO blam! fd1ff613f025446b4edd017c1ca3f40e030b836696fbc223fae2661a13283d6a