Aug 02 12:09:39.330 INFO checking cron-0.4.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 12:09:39.330 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:09:39.330 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:09:39.330 INFO running `"docker" "create" "-v" "/tmp/crater.BXsakAPpr2iT:/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 12:09:39.587 INFO blam! 936e017acc410ec6bdc570667aaffd16de874a22c397658b313b0888ee6c1cf5
Aug 02 12:09:39.589 INFO running `"docker" "start" "-a" "936e017acc410ec6bdc570667aaffd16de874a22c397658b313b0888ee6c1cf5"`
Aug 02 12:09:40.496 INFO kablam!     Checking cron v0.4.1 (file:///source)
Aug 02 12:09:41.465 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:09:41.465 INFO kablam!  --> src/lib.rs:3:1
Aug 02 12:09:41.465 INFO kablam!   |
Aug 02 12:09:41.465 INFO kablam! 3 | #![feature(collections_range)]
Aug 02 12:09:41.465 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:09:41.465 INFO kablam! 
Aug 02 12:09:41.465 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:09:41.465 INFO kablam!  --> src/lib.rs:4:1
Aug 02 12:09:41.465 INFO kablam!   |
Aug 02 12:09:41.465 INFO kablam! 4 | #![feature(iterator_step_by)]
Aug 02 12:09:41.465 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:09:41.465 INFO kablam! 
Aug 02 12:09:41.470 INFO kablam! error: aborting due to 2 previous errors
Aug 02 12:09:41.470 INFO kablam! 
Aug 02 12:09:41.470 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:09:41.479 INFO kablam! error: Could not compile `cron`.
Aug 02 12:09:41.480 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:09:41.626 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:09:41.626 INFO kablam!  --> src/lib.rs:3:1
Aug 02 12:09:41.626 INFO kablam!   |
Aug 02 12:09:41.626 INFO kablam! 3 | #![feature(collections_range)]
Aug 02 12:09:41.627 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:09:41.627 INFO kablam! 
Aug 02 12:09:41.627 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:09:41.627 INFO kablam!  --> src/lib.rs:4:1
Aug 02 12:09:41.627 INFO kablam!   |
Aug 02 12:09:41.627 INFO kablam! 4 | #![feature(iterator_step_by)]
Aug 02 12:09:41.627 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:09:41.627 INFO kablam! 
Aug 02 12:09:41.631 INFO kablam! error: aborting due to 2 previous errors
Aug 02 12:09:41.631 INFO kablam! 
Aug 02 12:09:41.631 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:09:41.639 INFO kablam! error: Could not compile `cron`.
Aug 02 12:09:41.639 INFO kablam! 
Aug 02 12:09:41.639 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 12:09:41.640 INFO kablam! su: No module specific data is present
Aug 02 12:09:42.287 INFO running `"docker" "rm" "-f" "936e017acc410ec6bdc570667aaffd16de874a22c397658b313b0888ee6c1cf5"`
Aug 02 12:09:42.385 INFO blam! 936e017acc410ec6bdc570667aaffd16de874a22c397658b313b0888ee6c1cf5