Sep 21 02:06:01.917 INFO checking tagged_ptr-0.1.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 02:06:01.917 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 02:06:01.917 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 02:06:02.083 INFO blam! f078f7b4a20fcce24eac8bdac65b0e494fe65d27eda4067b08d2446e0a9d4c7e
Sep 21 02:06:02.084 INFO running `"docker" "start" "-a" "f078f7b4a20fcce24eac8bdac65b0e494fe65d27eda4067b08d2446e0a9d4c7e"`
Sep 21 02:06:02.674 INFO kablam! usermod: no changes
Sep 21 02:06:02.704 INFO kablam!     Checking tagged_ptr v0.1.0 (/source)
Sep 21 02:06:03.138 INFO kablam! warning: the feature `rc_raw` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 21 02:06:03.138 INFO kablam!  --> src/lib.rs:1:12
Sep 21 02:06:03.138 INFO kablam!   |
Sep 21 02:06:03.138 INFO kablam! 1 | #![feature(rc_raw)]
Sep 21 02:06:03.138 INFO kablam!   |            ^^^^^^
Sep 21 02:06:03.138 INFO kablam!   |
Sep 21 02:06:03.138 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 21 02:06:03.138 INFO kablam! 
Sep 21 02:06:03.226 INFO kablam! error[E0308]: mismatched types
Sep 21 02:06:03.226 INFO kablam!    --> src/tagged_ptr.rs:217:32
Sep 21 02:06:03.226 INFO kablam!     |
Sep 21 02:06:03.226 INFO kablam! 217 |         let x: X = Unpacked::B(rc);
Sep 21 02:06:03.226 INFO kablam!     |                                ^^ expected struct `std::rc::Rc`, found struct `std::boxed::Box`
Sep 21 02:06:03.226 INFO kablam!     |
Sep 21 02:06:03.226 INFO kablam!     = note: expected type `std::rc::Rc<u32>`
Sep 21 02:06:03.226 INFO kablam!                found type `std::boxed::Box<std::rc::Rc<{integer}>>`
Sep 21 02:06:03.226 INFO kablam! 
Sep 21 02:06:03.267 INFO kablam! error[E0308]: mismatched types
Sep 21 02:06:03.267 INFO kablam!    --> src/tagged_ptr.rs:230:32
Sep 21 02:06:03.267 INFO kablam!     |
Sep 21 02:06:03.267 INFO kablam! 230 |         let x: X = Unpacked::B(rc);
Sep 21 02:06:03.267 INFO kablam!     |                                ^^ expected struct `std::rc::Rc`, found struct `std::boxed::Box`
Sep 21 02:06:03.267 INFO kablam!     |
Sep 21 02:06:03.267 INFO kablam!     = note: expected type `std::rc::Rc<u32>`
Sep 21 02:06:03.267 INFO kablam!                found type `std::boxed::Box<std::rc::Rc<{integer}>>`
Sep 21 02:06:03.267 INFO kablam! 
Sep 21 02:06:03.288 INFO kablam! error: aborting due to 2 previous errors
Sep 21 02:06:03.288 INFO kablam! 
Sep 21 02:06:03.288 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Sep 21 02:06:03.302 INFO kablam! error: Could not compile `tagged_ptr`.
Sep 21 02:06:03.302 INFO kablam! 
Sep 21 02:06:03.302 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 02:06:03.302 INFO kablam! su: No module specific data is present
Sep 21 02:06:04.041 INFO running `"docker" "rm" "-f" "f078f7b4a20fcce24eac8bdac65b0e494fe65d27eda4067b08d2446e0a9d4c7e"`
Sep 21 02:06:04.093 INFO blam! f078f7b4a20fcce24eac8bdac65b0e494fe65d27eda4067b08d2446e0a9d4c7e