Aug 02 07:42:58.005 INFO checking graph-edge-evolution-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 07:42:58.005 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:42:58.005 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:42:58.005 INFO running `"docker" "create" "-v" "/tmp/crater.v54HWeoYQ6oW:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+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 07:42:58.273 INFO blam! c30b670868ac0a3282259505152823ee545bf4ad25d478e213f951b12c6cb4d9
Aug 02 07:42:58.275 INFO running `"docker" "start" "-a" "c30b670868ac0a3282259505152823ee545bf4ad25d478e213f951b12c6cb4d9"`
Aug 02 07:42:59.720 INFO kablam!     Checking graph-edge-evolution v0.1.0 (file:///source)
Aug 02 07:43:00.235 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:43:00.235 INFO kablam!  --> src/lib.rs:1:1
Aug 02 07:43:00.236 INFO kablam!   |
Aug 02 07:43:00.236 INFO kablam! 1 | #![feature(augmented_assignments)]
Aug 02 07:43:00.236 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:43:00.236 INFO kablam! 
Aug 02 07:43:00.236 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:43:00.236 INFO kablam!  --> src/lib.rs:2:1
Aug 02 07:43:00.236 INFO kablam!   |
Aug 02 07:43:00.236 INFO kablam! 2 | #![feature(op_assign_traits)]
Aug 02 07:43:00.236 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:43:00.236 INFO kablam! 
Aug 02 07:43:00.249 INFO kablam! error: aborting due to 2 previous errors
Aug 02 07:43:00.249 INFO kablam! 
Aug 02 07:43:00.249 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:43:00.257 INFO kablam! error: Could not compile `graph-edge-evolution`.
Aug 02 07:43:00.257 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 07:43:00.272 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:43:00.272 INFO kablam!  --> src/lib.rs:1:1
Aug 02 07:43:00.272 INFO kablam!   |
Aug 02 07:43:00.272 INFO kablam! 1 | #![feature(augmented_assignments)]
Aug 02 07:43:00.272 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:43:00.272 INFO kablam! 
Aug 02 07:43:00.272 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:43:00.272 INFO kablam!  --> src/lib.rs:2:1
Aug 02 07:43:00.272 INFO kablam!   |
Aug 02 07:43:00.272 INFO kablam! 2 | #![feature(op_assign_traits)]
Aug 02 07:43:00.272 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:43:00.272 INFO kablam! 
Aug 02 07:43:00.275 INFO kablam! error: aborting due to 2 previous errors
Aug 02 07:43:00.275 INFO kablam! 
Aug 02 07:43:00.275 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:43:00.280 INFO kablam! error: Could not compile `graph-edge-evolution`.
Aug 02 07:43:00.284 INFO kablam! 
Aug 02 07:43:00.284 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 07:43:00.286 INFO kablam! su: No module specific data is present
Aug 02 07:43:00.954 INFO running `"docker" "rm" "-f" "c30b670868ac0a3282259505152823ee545bf4ad25d478e213f951b12c6cb4d9"`
Aug 02 07:43:01.138 INFO blam! c30b670868ac0a3282259505152823ee545bf4ad25d478e213f951b12c6cb4d9