Aug 01 19:19:12.767 INFO checking veryfast-0.3.1 against 1.27.2+tmplazy for lazy_static-1
Aug 01 19:19:12.767 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:19:12.767 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:19:12.767 INFO running `"docker" "create" "-v" "/tmp/crater.puNFrP547VPx:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 01 19:19:12.920 INFO blam! a83485b85bece8436d87ca2359f58f52eea9b229a0f335fda8f9071e9f3ec016
Aug 01 19:19:12.922 INFO running `"docker" "start" "-a" "a83485b85bece8436d87ca2359f58f52eea9b229a0f335fda8f9071e9f3ec016"`
Aug 01 19:19:14.465 INFO kablam!     Checking veryfast v0.3.1 (file:///source)
Aug 01 19:19:14.694 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:19:14.694 INFO kablam!  --> src/lib.rs:1:1
Aug 01 19:19:14.694 INFO kablam!   |
Aug 01 19:19:14.694 INFO kablam! 1 | #![feature(allocator_api)]
Aug 01 19:19:14.694 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:19:14.694 INFO kablam! 
Aug 01 19:19:14.694 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:19:14.694 INFO kablam!  --> src/lib.rs:2:1
Aug 01 19:19:14.694 INFO kablam!   |
Aug 01 19:19:14.694 INFO kablam! 2 | #![feature(arc_counts)]
Aug 01 19:19:14.694 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:19:14.694 INFO kablam! 
Aug 01 19:19:14.695 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:19:14.695 INFO kablam! 
Aug 01 19:19:14.695 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:19:14.702 INFO kablam! error: Could not compile `veryfast`.
Aug 01 19:19:14.702 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:19:14.714 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:19:14.714 INFO kablam!  --> src/lib.rs:1:1
Aug 01 19:19:14.714 INFO kablam!   |
Aug 01 19:19:14.714 INFO kablam! 1 | #![feature(allocator_api)]
Aug 01 19:19:14.714 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:19:14.714 INFO kablam! 
Aug 01 19:19:14.714 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:19:14.714 INFO kablam!  --> src/lib.rs:2:1
Aug 01 19:19:14.714 INFO kablam!   |
Aug 01 19:19:14.714 INFO kablam! 2 | #![feature(arc_counts)]
Aug 01 19:19:14.715 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:19:14.715 INFO kablam! 
Aug 01 19:19:14.715 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:19:14.715 INFO kablam! 
Aug 01 19:19:14.715 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:19:14.723 INFO kablam! error: Could not compile `veryfast`.
Aug 01 19:19:14.723 INFO kablam! 
Aug 01 19:19:14.723 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 19:19:14.724 INFO kablam! su: No module specific data is present
Aug 01 19:19:15.128 INFO running `"docker" "rm" "-f" "a83485b85bece8436d87ca2359f58f52eea9b229a0f335fda8f9071e9f3ec016"`
Aug 01 19:19:15.256 INFO blam! a83485b85bece8436d87ca2359f58f52eea9b229a0f335fda8f9071e9f3ec016