Aug 02 02:26:27.335 INFO checking phone_number-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 02:26:27.335 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:26:27.335 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:26:27.336 INFO running `"docker" "create" "-v" "/tmp/crater.9lQAKdh2bV08:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 02:26:27.546 INFO blam! 84dc37a8de9f3d9af0311f892a11ad3c7b72c0bf6a7039d5cc4bb6d99763c3e4
Aug 02 02:26:27.549 INFO running `"docker" "start" "-a" "84dc37a8de9f3d9af0311f892a11ad3c7b72c0bf6a7039d5cc4bb6d99763c3e4"`
Aug 02 02:26:28.486 INFO kablam!     Checking phone_number v0.1.0 (file:///source)
Aug 02 02:26:30.020 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:26:30.020 INFO kablam!  --> src/lib.rs:1:1
Aug 02 02:26:30.020 INFO kablam!   |
Aug 02 02:26:30.020 INFO kablam! 1 | #![feature(str_escape)]
Aug 02 02:26:30.020 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:26:30.020 INFO kablam! 
Aug 02 02:26:30.022 INFO kablam! error: aborting due to previous error
Aug 02 02:26:30.022 INFO kablam! 
Aug 02 02:26:30.022 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:26:30.052 INFO kablam! error: Could not compile `phone_number`.
Aug 02 02:26:30.052 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:26:30.086 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:26:30.088 INFO kablam!  --> src/lib.rs:1:1
Aug 02 02:26:30.088 INFO kablam!   |
Aug 02 02:26:30.088 INFO kablam! 1 | #![feature(str_escape)]
Aug 02 02:26:30.088 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:26:30.088 INFO kablam! 
Aug 02 02:26:30.089 INFO kablam! error: aborting due to previous error
Aug 02 02:26:30.089 INFO kablam! 
Aug 02 02:26:30.089 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:26:30.107 INFO kablam! error: Could not compile `phone_number`.
Aug 02 02:26:30.107 INFO kablam! 
Aug 02 02:26:30.107 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 02:26:30.108 INFO kablam! su: No module specific data is present
Aug 02 02:26:30.691 INFO running `"docker" "rm" "-f" "84dc37a8de9f3d9af0311f892a11ad3c7b72c0bf6a7039d5cc4bb6d99763c3e4"`
Aug 02 02:26:30.890 INFO blam! 84dc37a8de9f3d9af0311f892a11ad3c7b72c0bf6a7039d5cc4bb6d99763c3e4