Aug 02 10:56:22.770 INFO checking elfloader-0.0.5 against 1.27.2 for lazy_static-1
Aug 02 10:56:22.770 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:56:22.770 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:56:22.770 INFO running `"docker" "create" "-v" "/tmp/crater.rI5kvAXQgA5t:/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 10:56:23.026 INFO blam! d1ab4a5e178483ff6b718c1ceaf93e9960f2158a7f16147c85443528b81dc237
Aug 02 10:56:23.028 INFO running `"docker" "start" "-a" "d1ab4a5e178483ff6b718c1ceaf93e9960f2158a7f16147c85443528b81dc237"`
Aug 02 10:56:24.342 INFO kablam!     Checking elfloader v0.0.5 (file:///source)
Aug 02 10:56:24.787 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:56:24.787 INFO kablam!  --> src/lib.rs:1:1
Aug 02 10:56:24.787 INFO kablam!   |
Aug 02 10:56:24.787 INFO kablam! 1 | #![feature(core, core_prelude, core_slice_ext, custom_derive)]
Aug 02 10:56:24.787 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:56:24.787 INFO kablam! 
Aug 02 10:56:24.791 INFO kablam! error: aborting due to previous error
Aug 02 10:56:24.796 INFO kablam! 
Aug 02 10:56:24.798 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:56:24.805 INFO kablam! error: Could not compile `elfloader`.
Aug 02 10:56:24.805 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:56:25.050 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:56:25.050 INFO kablam!  --> src/lib.rs:1:1
Aug 02 10:56:25.050 INFO kablam!   |
Aug 02 10:56:25.050 INFO kablam! 1 | #![feature(core, core_prelude, core_slice_ext, custom_derive)]
Aug 02 10:56:25.050 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:56:25.051 INFO kablam! 
Aug 02 10:56:25.059 INFO kablam! error: aborting due to previous error
Aug 02 10:56:25.059 INFO kablam! 
Aug 02 10:56:25.060 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:56:25.072 INFO kablam! error: Could not compile `elfloader`.
Aug 02 10:56:25.072 INFO kablam! 
Aug 02 10:56:25.072 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 10:56:25.072 INFO kablam! su: No module specific data is present
Aug 02 10:56:25.667 INFO running `"docker" "rm" "-f" "d1ab4a5e178483ff6b718c1ceaf93e9960f2158a7f16147c85443528b81dc237"`
Aug 02 10:56:25.834 INFO blam! d1ab4a5e178483ff6b718c1ceaf93e9960f2158a7f16147c85443528b81dc237