Aug 01 13:58:27.586 INFO checking yu-i9/mini_python against 1.27.2+tmplazy for lazy_static-1
Aug 01 13:58:27.586 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 13:58:27.586 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 13:58:27.586 INFO running `"docker" "create" "-v" "/tmp/crater.75QwzrB8EkaU:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 13:58:27.831 INFO blam! 9246b1a73ddc41260f7e93434816022477ccb8603d42b9529b3fe9b175fb0302
Aug 01 13:58:27.833 INFO running `"docker" "start" "-a" "9246b1a73ddc41260f7e93434816022477ccb8603d42b9529b3fe9b175fb0302"`
Aug 01 13:58:28.824 INFO kablam!     Checking mini_python v0.1.0 (file:///source)
Aug 01 13:58:29.409 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 13:58:29.409 INFO kablam!  --> src/core/mod.rs:1:1
Aug 01 13:58:29.409 INFO kablam!   |
Aug 01 13:58:29.409 INFO kablam! 1 | #![feature(arbitrary_self_types)]
Aug 01 13:58:29.409 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 13:58:29.410 INFO kablam! 
Aug 01 13:58:29.410 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 13:58:29.410 INFO kablam!  --> src/core/mod.rs:2:1
Aug 01 13:58:29.410 INFO kablam!   |
Aug 01 13:58:29.410 INFO kablam! 2 | #![feature(iterator_find_map)]
Aug 01 13:58:29.410 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 13:58:29.410 INFO kablam! 
Aug 01 13:58:29.411 INFO kablam! error: aborting due to 2 previous errors
Aug 01 13:58:29.411 INFO kablam! 
Aug 01 13:58:29.411 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 13:58:29.431 INFO kablam! error: Could not compile `mini_python`.
Aug 01 13:58:29.432 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 13:58:29.541 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 13:58:29.541 INFO kablam!  --> src/core/mod.rs:1:1
Aug 01 13:58:29.541 INFO kablam!   |
Aug 01 13:58:29.541 INFO kablam! 1 | #![feature(arbitrary_self_types)]
Aug 01 13:58:29.542 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 13:58:29.542 INFO kablam! 
Aug 01 13:58:29.542 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 13:58:29.542 INFO kablam!  --> src/core/mod.rs:2:1
Aug 01 13:58:29.542 INFO kablam!   |
Aug 01 13:58:29.542 INFO kablam! 2 | #![feature(iterator_find_map)]
Aug 01 13:58:29.542 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 13:58:29.542 INFO kablam! 
Aug 01 13:58:29.544 INFO kablam! error: aborting due to 2 previous errors
Aug 01 13:58:29.544 INFO kablam! 
Aug 01 13:58:29.544 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 13:58:29.553 INFO kablam! error: Could not compile `mini_python`.
Aug 01 13:58:29.554 INFO kablam! 
Aug 01 13:58:29.554 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 13:58:29.555 INFO kablam! su: No module specific data is present
Aug 01 13:58:30.071 INFO running `"docker" "rm" "-f" "9246b1a73ddc41260f7e93434816022477ccb8603d42b9529b3fe9b175fb0302"`
Aug 01 13:58:30.227 INFO blam! 9246b1a73ddc41260f7e93434816022477ccb8603d42b9529b3fe9b175fb0302