Aug 02 10:29:09.809 INFO checking expert-0.0.1 against 1.27.2 for lazy_static-1
Aug 02 10:29:09.809 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:29:09.809 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:29:09.809 INFO running `"docker" "create" "-v" "/tmp/crater.7xwD2ZHsdLCK:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 10:29:10.026 INFO blam! 775b982796d6baed20a49f841c8b87bdae74c2baf0ac567df278b5a24e9a2e88
Aug 02 10:29:10.028 INFO running `"docker" "start" "-a" "775b982796d6baed20a49f841c8b87bdae74c2baf0ac567df278b5a24e9a2e88"`
Aug 02 10:29:11.106 INFO kablam!    Compiling interpolate_idents v0.1.8
Aug 02 10:29:11.126 INFO kablam!     Checking parking_lot_core v0.2.14
Aug 02 10:29:11.126 INFO kablam!     Checking float-cmp v0.2.5
Aug 02 10:29:12.568 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:29:12.568 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.2.14/src/lib.rs:41:60
Aug 02 10:29:12.568 INFO kablam!    |
Aug 02 10:29:12.568 INFO kablam! 41 | #![cfg_attr(all(feature = "nightly", target_os = "linux"), feature(integer_atomics))]
Aug 02 10:29:12.568 INFO kablam!    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:29:12.568 INFO kablam! 
Aug 02 10:29:12.571 INFO kablam! error: aborting due to previous error
Aug 02 10:29:12.571 INFO kablam! 
Aug 02 10:29:12.571 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:29:12.586 INFO kablam! error: Could not compile `parking_lot_core`.
Aug 02 10:29:12.587 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:29:14.105 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:29:14.105 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.1.8/src/lib.rs:1:1
Aug 02 10:29:14.105 INFO kablam!   |
Aug 02 10:29:14.105 INFO kablam! 1 | #![feature(plugin_registrar, rustc_private)]
Aug 02 10:29:14.105 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:29:14.105 INFO kablam! 
Aug 02 10:29:14.106 INFO kablam! error: aborting due to previous error
Aug 02 10:29:14.106 INFO kablam! 
Aug 02 10:29:14.106 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:29:14.119 INFO kablam! error: Could not compile `interpolate_idents`.
Aug 02 10:29:14.119 INFO kablam! 
Aug 02 10:29:14.119 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 10:29:14.120 INFO kablam! su: No module specific data is present
Aug 02 10:29:14.965 INFO running `"docker" "rm" "-f" "775b982796d6baed20a49f841c8b87bdae74c2baf0ac567df278b5a24e9a2e88"`
Aug 02 10:29:15.131 INFO blam! 775b982796d6baed20a49f841c8b87bdae74c2baf0ac567df278b5a24e9a2e88