Aug 01 19:17:43.648 INFO checking virtual_view-0.1.6 against 1.27.2+tmplazy for lazy_static-1
Aug 01 19:17:43.648 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:17:43.648 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:17:43.648 INFO running `"docker" "create" "-v" "/tmp/crater.74vRTDiKKWaY:/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 01 19:17:43.911 INFO blam! 21cf673eac5cfc235ebf7d579919e8782c02689374317882e1fceeb55d5d0fab
Aug 01 19:17:43.913 INFO running `"docker" "start" "-a" "21cf673eac5cfc235ebf7d579919e8782c02689374317882e1fceeb55d5d0fab"`
Aug 01 19:17:45.032 INFO kablam!     Checking virtual_view v0.1.6 (file:///source)
Aug 01 19:17:46.084 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:17:46.084 INFO kablam!  --> src/lib.rs:1:1
Aug 01 19:17:46.084 INFO kablam!   |
Aug 01 19:17:46.084 INFO kablam! 1 | #![feature(const_fn)]
Aug 01 19:17:46.084 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:17:46.084 INFO kablam! 
Aug 01 19:17:46.084 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:17:46.084 INFO kablam!  --> src/lib.rs:2:1
Aug 01 19:17:46.084 INFO kablam!   |
Aug 01 19:17:46.084 INFO kablam! 2 | #![feature(const_atomic_u64_new)]
Aug 01 19:17:46.084 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:17:46.084 INFO kablam! 
Aug 01 19:17:46.108 INFO kablam! error: aborting due to 2 previous errors
Aug 01 19:17:46.108 INFO kablam! 
Aug 01 19:17:46.108 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:17:46.116 INFO kablam! error: Could not compile `virtual_view`.
Aug 01 19:17:46.116 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 19:17:46.346 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:17:46.346 INFO kablam!  --> src/lib.rs:1:1
Aug 01 19:17:46.346 INFO kablam!   |
Aug 01 19:17:46.346 INFO kablam! 1 | #![feature(const_fn)]
Aug 01 19:17:46.346 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:17:46.346 INFO kablam! 
Aug 01 19:17:46.346 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:17:46.346 INFO kablam!  --> src/lib.rs:2:1
Aug 01 19:17:46.346 INFO kablam!   |
Aug 01 19:17:46.346 INFO kablam! 2 | #![feature(const_atomic_u64_new)]
Aug 01 19:17:46.346 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:17:46.346 INFO kablam! 
Aug 01 19:17:46.347 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:17:46.347 INFO kablam!  --> src/lib.rs:3:31
Aug 01 19:17:46.347 INFO kablam!   |
Aug 01 19:17:46.347 INFO kablam! 3 | #![cfg_attr(any(test, bench), feature(test))]
Aug 01 19:17:46.347 INFO kablam!   |                               ^^^^^^^^^^^^^^
Aug 01 19:17:46.347 INFO kablam! 
Aug 01 19:17:46.352 INFO kablam! error: aborting due to 3 previous errors
Aug 01 19:17:46.352 INFO kablam! 
Aug 01 19:17:46.353 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:17:46.373 INFO kablam! error: Could not compile `virtual_view`.
Aug 01 19:17:46.373 INFO kablam! 
Aug 01 19:17:46.373 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 19:17:46.375 INFO kablam! su: No module specific data is present
Aug 01 19:17:46.956 INFO running `"docker" "rm" "-f" "21cf673eac5cfc235ebf7d579919e8782c02689374317882e1fceeb55d5d0fab"`
Aug 01 19:17:47.103 INFO blam! 21cf673eac5cfc235ebf7d579919e8782c02689374317882e1fceeb55d5d0fab