Sep 04 01:07:51.248 INFO checking tagged_ptr-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 01:07:51.248 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 01:07:51.248 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 01:07:51.392 INFO blam! ff54dfb81615fe38d66a38cf7060d80a275ea4e3dfe5a37b07d45b0751185aac
Sep 04 01:07:51.394 INFO running `"docker" "start" "-a" "ff54dfb81615fe38d66a38cf7060d80a275ea4e3dfe5a37b07d45b0751185aac"`
Sep 04 01:07:52.024 INFO kablam!     Checking tagged_ptr v0.1.0 (file:///source)
Sep 04 01:07:52.722 INFO kablam! error[E0308]: mismatched types
Sep 04 01:07:52.722 INFO kablam!    --> src/tagged_ptr.rs:217:32
Sep 04 01:07:52.722 INFO kablam!     |
Sep 04 01:07:52.722 INFO kablam! 217 |         let x: X = Unpacked::B(rc);
Sep 04 01:07:52.722 INFO kablam!     |                                ^^ expected struct `std::rc::Rc`, found struct `std::boxed::Box`
Sep 04 01:07:52.722 INFO kablam!     |
Sep 04 01:07:52.722 INFO kablam!     = note: expected type `std::rc::Rc<u32>`
Sep 04 01:07:52.723 INFO kablam!                found type `std::boxed::Box<std::rc::Rc<{integer}>>`
Sep 04 01:07:52.723 INFO kablam! 
Sep 04 01:07:52.769 INFO kablam! warning: the feature `rc_raw` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 04 01:07:52.769 INFO kablam!  --> src/lib.rs:1:12
Sep 04 01:07:52.769 INFO kablam!   |
Sep 04 01:07:52.769 INFO kablam! 1 | #![feature(rc_raw)]
Sep 04 01:07:52.769 INFO kablam!   |            ^^^^^^
Sep 04 01:07:52.769 INFO kablam!   |
Sep 04 01:07:52.769 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 01:07:52.769 INFO kablam! 
Sep 04 01:07:52.793 INFO kablam! error[E0308]: mismatched types
Sep 04 01:07:52.794 INFO kablam!    --> src/tagged_ptr.rs:230:32
Sep 04 01:07:52.794 INFO kablam!     |
Sep 04 01:07:52.794 INFO kablam! 230 |         let x: X = Unpacked::B(rc);
Sep 04 01:07:52.794 INFO kablam!     |                                ^^ expected struct `std::rc::Rc`, found struct `std::boxed::Box`
Sep 04 01:07:52.794 INFO kablam!     |
Sep 04 01:07:52.794 INFO kablam!     = note: expected type `std::rc::Rc<u32>`
Sep 04 01:07:52.794 INFO kablam!                found type `std::boxed::Box<std::rc::Rc<{integer}>>`
Sep 04 01:07:52.794 INFO kablam! 
Sep 04 01:07:52.823 INFO kablam! error: aborting due to 2 previous errors
Sep 04 01:07:52.823 INFO kablam! 
Sep 04 01:07:52.823 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Sep 04 01:07:52.831 INFO kablam! error: Could not compile `tagged_ptr`.
Sep 04 01:07:52.831 INFO kablam! 
Sep 04 01:07:52.831 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 01:07:52.832 INFO kablam! su: No module specific data is present
Sep 04 01:07:53.334 INFO running `"docker" "rm" "-f" "ff54dfb81615fe38d66a38cf7060d80a275ea4e3dfe5a37b07d45b0751185aac"`
Sep 04 01:07:53.432 INFO blam! ff54dfb81615fe38d66a38cf7060d80a275ea4e3dfe5a37b07d45b0751185aac