Aug 02 04:01:08.335 INFO checking mtl-0.1.5 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:01:08.335 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:01:08.335 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:01:08.335 INFO running `"docker" "create" "-v" "/tmp/crater.xzFLx4COrSl6:/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 04:01:08.550 INFO blam! 39779061ce2b5926be3399035a2822d653e357ee25bda80291b97228f0283331
Aug 02 04:01:08.552 INFO running `"docker" "start" "-a" "39779061ce2b5926be3399035a2822d653e357ee25bda80291b97228f0283331"`
Aug 02 04:01:09.767 INFO kablam!     Checking mtl v0.1.5 (file:///source)
Aug 02 04:01:11.300 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:01:11.301 INFO kablam!  --> src/lib.rs:1:1
Aug 02 04:01:11.301 INFO kablam!   |
Aug 02 04:01:11.301 INFO kablam! 1 | #![feature(unboxed_closures, fixed_size_array)]
Aug 02 04:01:11.301 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:01:11.301 INFO kablam! 
Aug 02 04:01:11.308 INFO kablam! error: aborting due to previous error
Aug 02 04:01:11.308 INFO kablam! 
Aug 02 04:01:11.308 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:01:11.317 INFO kablam! error: Could not compile `mtl`.
Aug 02 04:01:11.317 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:01:11.340 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:01:11.340 INFO kablam!  --> src/lib.rs:1:1
Aug 02 04:01:11.340 INFO kablam!   |
Aug 02 04:01:11.340 INFO kablam! 1 | #![feature(unboxed_closures, fixed_size_array)]
Aug 02 04:01:11.340 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:01:11.340 INFO kablam! 
Aug 02 04:01:11.385 INFO kablam! error: aborting due to previous error
Aug 02 04:01:11.385 INFO kablam! 
Aug 02 04:01:11.385 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:01:11.397 INFO kablam! error: Could not compile `mtl`.
Aug 02 04:01:11.397 INFO kablam! 
Aug 02 04:01:11.397 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 04:01:11.399 INFO kablam! su: No module specific data is present
Aug 02 04:01:12.099 INFO running `"docker" "rm" "-f" "39779061ce2b5926be3399035a2822d653e357ee25bda80291b97228f0283331"`
Aug 02 04:01:12.259 INFO blam! 39779061ce2b5926be3399035a2822d653e357ee25bda80291b97228f0283331