Aug 02 03:21:51.528 INFO checking null-terminated-0.3.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 03:21:51.528 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:21:51.528 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:21:51.528 INFO running `"docker" "create" "-v" "/tmp/crater.TG5kUnDgY80h:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 03:21:51.778 INFO blam! a983b301e6cf0b53e99567ccb63db01e9de12632bea2eef7e97ad117b059c406
Aug 02 03:21:51.781 INFO running `"docker" "start" "-a" "a983b301e6cf0b53e99567ccb63db01e9de12632bea2eef7e97ad117b059c406"`
Aug 02 03:21:52.820 INFO kablam!     Checking null-terminated v0.3.1 (file:///source)
Aug 02 03:21:52.824 INFO kablam!    Compiling env_logger v0.5.11
Aug 02 03:21:53.339 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:21:53.339 INFO kablam!  --> src/lib.rs:5:1
Aug 02 03:21:53.339 INFO kablam!   |
Aug 02 03:21:53.339 INFO kablam! 5 | #![feature(const_fn)]
Aug 02 03:21:53.339 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:21:53.344 INFO kablam! 
Aug 02 03:21:53.345 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:21:53.345 INFO kablam!  --> src/lib.rs:6:1
Aug 02 03:21:53.345 INFO kablam!   |
Aug 02 03:21:53.345 INFO kablam! 6 | #![feature(extern_types)]
Aug 02 03:21:53.345 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:21:53.345 INFO kablam! 
Aug 02 03:21:53.345 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:21:53.346 INFO kablam!  --> src/lib.rs:7:1
Aug 02 03:21:53.346 INFO kablam!   |
Aug 02 03:21:53.346 INFO kablam! 7 | #![feature(untagged_unions)]
Aug 02 03:21:53.346 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:21:53.346 INFO kablam! 
Aug 02 03:21:53.352 INFO kablam! error: aborting due to 3 previous errors
Aug 02 03:21:53.353 INFO kablam! 
Aug 02 03:21:53.353 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:21:53.360 INFO kablam! error: Could not compile `null-terminated`.
Aug 02 03:21:53.360 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:21:56.546 INFO kablam! error: build failed
Aug 02 03:21:56.548 INFO kablam! su: No module specific data is present
Aug 02 03:21:57.378 INFO running `"docker" "rm" "-f" "a983b301e6cf0b53e99567ccb63db01e9de12632bea2eef7e97ad117b059c406"`
Aug 02 03:21:57.539 INFO blam! a983b301e6cf0b53e99567ccb63db01e9de12632bea2eef7e97ad117b059c406