Sep 01 04:36:03.962 INFO checking tagged_ptr-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 04:36:03.962 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 04:36:03.962 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 04:36:04.161 INFO blam! 12099e129540984ff1a7cbc6414deaa1e5780b925136df5c6252ccd90f67629e
Sep 01 04:36:04.163 INFO running `"docker" "start" "-a" "12099e129540984ff1a7cbc6414deaa1e5780b925136df5c6252ccd90f67629e"`
Sep 01 04:36:04.893 INFO kablam!     Checking tagged_ptr v0.1.0 (file:///source)
Sep 01 04:36:05.511 INFO kablam! warning: the feature `rc_raw` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 01 04:36:05.511 INFO kablam!  --> src/lib.rs:1:12
Sep 01 04:36:05.511 INFO kablam!   |
Sep 01 04:36:05.511 INFO kablam! 1 | #![feature(rc_raw)]
Sep 01 04:36:05.511 INFO kablam!   |            ^^^^^^
Sep 01 04:36:05.511 INFO kablam!   |
Sep 01 04:36:05.511 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 04:36:05.511 INFO kablam! 
Sep 01 04:36:05.593 INFO kablam! error[E0308]: mismatched types
Sep 01 04:36:05.593 INFO kablam!    --> src/tagged_ptr.rs:217:32
Sep 01 04:36:05.593 INFO kablam!     |
Sep 01 04:36:05.593 INFO kablam! 217 |         let x: X = Unpacked::B(rc);
Sep 01 04:36:05.593 INFO kablam!     |                                ^^ expected struct `std::rc::Rc`, found struct `std::boxed::Box`
Sep 01 04:36:05.593 INFO kablam!     |
Sep 01 04:36:05.593 INFO kablam!     = note: expected type `std::rc::Rc<u32>`
Sep 01 04:36:05.593 INFO kablam!                found type `std::boxed::Box<std::rc::Rc<{integer}>>`
Sep 01 04:36:05.593 INFO kablam! 
Sep 01 04:36:05.655 INFO kablam! error[E0308]: mismatched types
Sep 01 04:36:05.655 INFO kablam!    --> src/tagged_ptr.rs:230:32
Sep 01 04:36:05.655 INFO kablam!     |
Sep 01 04:36:05.655 INFO kablam! 230 |         let x: X = Unpacked::B(rc);
Sep 01 04:36:05.655 INFO kablam!     |                                ^^ expected struct `std::rc::Rc`, found struct `std::boxed::Box`
Sep 01 04:36:05.655 INFO kablam!     |
Sep 01 04:36:05.655 INFO kablam!     = note: expected type `std::rc::Rc<u32>`
Sep 01 04:36:05.655 INFO kablam!                found type `std::boxed::Box<std::rc::Rc<{integer}>>`
Sep 01 04:36:05.656 INFO kablam! 
Sep 01 04:36:05.676 INFO kablam! error: aborting due to 2 previous errors
Sep 01 04:36:05.676 INFO kablam! 
Sep 01 04:36:05.676 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Sep 01 04:36:05.683 INFO kablam! error: Could not compile `tagged_ptr`.
Sep 01 04:36:05.683 INFO kablam! 
Sep 01 04:36:05.683 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 04:36:05.684 INFO kablam! su: No module specific data is present
Sep 01 04:36:06.222 INFO running `"docker" "rm" "-f" "12099e129540984ff1a7cbc6414deaa1e5780b925136df5c6252ccd90f67629e"`
Sep 01 04:36:06.313 INFO blam! 12099e129540984ff1a7cbc6414deaa1e5780b925136df5c6252ccd90f67629e