Aug 02 05:39:52.133 INFO checking lib_composite-0.6.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 05:39:52.133 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:39:52.133 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:39:52.134 INFO running `"docker" "create" "-v" "/tmp/crater.d9gxVqRkJoxZ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 05:39:52.448 INFO blam! 00f6fc4f442fb4b2978f31e07aa77f7f6ebd08e8c19cb2189a8ce6820bd342ad
Aug 02 05:39:52.451 INFO running `"docker" "start" "-a" "00f6fc4f442fb4b2978f31e07aa77f7f6ebd08e8c19cb2189a8ce6820bd342ad"`
Aug 02 05:39:53.519 INFO kablam!     Checking const-cstr-fork v0.2.2
Aug 02 05:39:54.265 INFO kablam!     Checking libc-extra v0.0.15
Aug 02 05:40:00.761 INFO kablam!     Checking lib_composite v0.6.0 (file:///source)
Aug 02 05:40:01.170 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:40:01.170 INFO kablam!  --> src/lib.rs:4:1
Aug 02 05:40:01.170 INFO kablam!   |
Aug 02 05:40:01.170 INFO kablam! 4 | #![feature(optin_builtin_traits)]
Aug 02 05:40:01.170 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:40:01.170 INFO kablam! 
Aug 02 05:40:01.170 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:40:01.170 INFO kablam!  --> src/lib.rs:6:1
Aug 02 05:40:01.170 INFO kablam!   |
Aug 02 05:40:01.170 INFO kablam! 6 | #![feature(fnbox)]
Aug 02 05:40:01.170 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 02 05:40:01.170 INFO kablam! 
Aug 02 05:40:01.171 INFO kablam! error: aborting due to 2 previous errors
Aug 02 05:40:01.171 INFO kablam! 
Aug 02 05:40:01.171 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:40:01.326 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:40:01.326 INFO kablam!  --> src/lib.rs:4:1
Aug 02 05:40:01.326 INFO kablam!   |
Aug 02 05:40:01.326 INFO kablam! 4 | #![feature(optin_builtin_traits)]
Aug 02 05:40:01.326 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:40:01.326 INFO kablam! 
Aug 02 05:40:01.326 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:40:01.326 INFO kablam!  --> src/lib.rs:6:1
Aug 02 05:40:01.326 INFO kablam!   |
Aug 02 05:40:01.326 INFO kablam! 6 | #![feature(fnbox)]
Aug 02 05:40:01.326 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Aug 02 05:40:01.326 INFO kablam! 
Aug 02 05:40:01.326 INFO kablam! error: aborting due to 2 previous errors
Aug 02 05:40:01.326 INFO kablam! 
Aug 02 05:40:01.326 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:40:01.592 INFO kablam! error: Could not compile `lib_composite`.
Aug 02 05:40:01.593 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:40:01.593 INFO kablam! error: Could not compile `lib_composite`.
Aug 02 05:40:01.593 INFO kablam! 
Aug 02 05:40:01.593 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 05:40:01.595 INFO kablam! su: No module specific data is present
Aug 02 05:40:02.383 INFO running `"docker" "rm" "-f" "00f6fc4f442fb4b2978f31e07aa77f7f6ebd08e8c19cb2189a8ce6820bd342ad"`
Aug 02 05:40:02.552 INFO blam! 00f6fc4f442fb4b2978f31e07aa77f7f6ebd08e8c19cb2189a8ce6820bd342ad