Aug 01 13:58:28.603 INFO checking yu-i9/mini_python against 1.27.2 for lazy_static-1
Aug 01 13:58:28.603 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 13:58:28.603 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 13:58:28.603 INFO running `"docker" "create" "-v" "/tmp/crater.UcW0oKf6UZqB:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 01 13:58:28.827 INFO blam! e48951be2c3ec09a3fa9d1a539e4cc531bf03ec91ef2e39bae1cc8a43f192376
Aug 01 13:58:28.829 INFO running `"docker" "start" "-a" "e48951be2c3ec09a3fa9d1a539e4cc531bf03ec91ef2e39bae1cc8a43f192376"`
Aug 01 13:58:29.709 INFO kablam!     Checking mini_python v0.1.0 (file:///source)
Aug 01 13:58:30.247 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 13:58:30.247 INFO kablam!  --> src/core/mod.rs:1:1
Aug 01 13:58:30.247 INFO kablam!   |
Aug 01 13:58:30.247 INFO kablam! 1 | #![feature(arbitrary_self_types)]
Aug 01 13:58:30.247 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 13:58:30.247 INFO kablam! 
Aug 01 13:58:30.247 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 13:58:30.247 INFO kablam!  --> src/core/mod.rs:2:1
Aug 01 13:58:30.247 INFO kablam!   |
Aug 01 13:58:30.247 INFO kablam! 2 | #![feature(iterator_find_map)]
Aug 01 13:58:30.247 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 13:58:30.247 INFO kablam! 
Aug 01 13:58:30.249 INFO kablam! error: aborting due to 2 previous errors
Aug 01 13:58:30.250 INFO kablam! 
Aug 01 13:58:30.250 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 13:58:30.258 INFO kablam! error: Could not compile `mini_python`.
Aug 01 13:58:30.258 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 13:58:30.264 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 13:58:30.264 INFO kablam!  --> src/core/mod.rs:1:1
Aug 01 13:58:30.264 INFO kablam!   |
Aug 01 13:58:30.264 INFO kablam! 1 | #![feature(arbitrary_self_types)]
Aug 01 13:58:30.264 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 13:58:30.264 INFO kablam! 
Aug 01 13:58:30.264 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 13:58:30.264 INFO kablam!  --> src/core/mod.rs:2:1
Aug 01 13:58:30.264 INFO kablam!   |
Aug 01 13:58:30.264 INFO kablam! 2 | #![feature(iterator_find_map)]
Aug 01 13:58:30.264 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 13:58:30.267 INFO kablam! 
Aug 01 13:58:30.271 INFO kablam! error: aborting due to 2 previous errors
Aug 01 13:58:30.271 INFO kablam! 
Aug 01 13:58:30.271 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 13:58:30.291 INFO kablam! error: Could not compile `mini_python`.
Aug 01 13:58:30.291 INFO kablam! 
Aug 01 13:58:30.291 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 13:58:30.293 INFO kablam! su: No module specific data is present
Aug 01 13:58:30.818 INFO running `"docker" "rm" "-f" "e48951be2c3ec09a3fa9d1a539e4cc531bf03ec91ef2e39bae1cc8a43f192376"`
Aug 01 13:58:30.979 INFO blam! e48951be2c3ec09a3fa9d1a539e4cc531bf03ec91ef2e39bae1cc8a43f192376