Sep 04 01:07:12.309 INFO checking tailrec-0.0.4 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 01:07:12.309 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 01:07:12.310 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/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 01:07:12.497 INFO blam! 90abaa955b854fdc5a6971c5d9253d3443f0073d1f0015747ec1317786737d70
Sep 04 01:07:12.499 INFO running `"docker" "start" "-a" "90abaa955b854fdc5a6971c5d9253d3443f0073d1f0015747ec1317786737d70"`
Sep 04 01:07:13.111 INFO kablam!     Checking tailrec v0.0.4 (file:///source)
Sep 04 01:07:13.477 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 04 01:07:13.477 INFO kablam!   --> src/lib.rs:14:5
Sep 04 01:07:13.477 INFO kablam!    |
Sep 04 01:07:13.477 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Sep 04 01:07:13.477 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Sep 04 01:07:13.477 INFO kablam! 16 | |     {
Sep 04 01:07:13.477 INFO kablam! 17 | |         let mut state = iterate(self);
Sep 04 01:07:13.477 INFO kablam! ...  |
Sep 04 01:07:13.477 INFO kablam! 21 | |         }}
Sep 04 01:07:13.477 INFO kablam! 22 | |     }
Sep 04 01:07:13.477 INFO kablam!    | |_____^
Sep 04 01:07:13.477 INFO kablam!    |
Sep 04 01:07:13.477 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Sep 04 01:07:13.477 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Sep 04 01:07:13.477 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 01:07:13.477 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Sep 04 01:07:13.477 INFO kablam! 
Sep 04 01:07:13.478 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 04 01:07:13.478 INFO kablam!   --> src/lib.rs:36:5
Sep 04 01:07:13.479 INFO kablam!    |
Sep 04 01:07:13.479 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Sep 04 01:07:13.479 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Sep 04 01:07:13.479 INFO kablam! 38 | |     {
Sep 04 01:07:13.479 INFO kablam! 39 | |         let mut state = iterate(self);
Sep 04 01:07:13.479 INFO kablam! ...  |
Sep 04 01:07:13.479 INFO kablam! 43 | |         }}
Sep 04 01:07:13.479 INFO kablam! 44 | |     }
Sep 04 01:07:13.479 INFO kablam!    | |_____^
Sep 04 01:07:13.479 INFO kablam!    |
Sep 04 01:07:13.479 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Sep 04 01:07:13.479 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 01:07:13.479 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Sep 04 01:07:13.479 INFO kablam! 
Sep 04 01:07:13.554 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 04 01:07:13.554 INFO kablam!   --> src/lib.rs:14:5
Sep 04 01:07:13.554 INFO kablam!    |
Sep 04 01:07:13.554 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Sep 04 01:07:13.554 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Sep 04 01:07:13.554 INFO kablam! 16 | |     {
Sep 04 01:07:13.554 INFO kablam! 17 | |         let mut state = iterate(self);
Sep 04 01:07:13.554 INFO kablam! ...  |
Sep 04 01:07:13.554 INFO kablam! 21 | |         }}
Sep 04 01:07:13.554 INFO kablam! 22 | |     }
Sep 04 01:07:13.554 INFO kablam!    | |_____^
Sep 04 01:07:13.554 INFO kablam!    |
Sep 04 01:07:13.554 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Sep 04 01:07:13.554 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Sep 04 01:07:13.554 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 01:07:13.554 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Sep 04 01:07:13.554 INFO kablam! 
Sep 04 01:07:13.554 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 04 01:07:13.554 INFO kablam!   --> src/lib.rs:36:5
Sep 04 01:07:13.554 INFO kablam!    |
Sep 04 01:07:13.554 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Sep 04 01:07:13.554 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Sep 04 01:07:13.555 INFO kablam! 38 | |     {
Sep 04 01:07:13.555 INFO kablam! 39 | |         let mut state = iterate(self);
Sep 04 01:07:13.555 INFO kablam! ...  |
Sep 04 01:07:13.555 INFO kablam! 43 | |         }}
Sep 04 01:07:13.555 INFO kablam! 44 | |     }
Sep 04 01:07:13.555 INFO kablam!    | |_____^
Sep 04 01:07:13.555 INFO kablam!    |
Sep 04 01:07:13.555 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Sep 04 01:07:13.555 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 01:07:13.555 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Sep 04 01:07:13.555 INFO kablam! 
Sep 04 01:07:13.862 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Sep 04 01:07:13.863 INFO kablam!   --> /source/src/lib.rs:14:5
Sep 04 01:07:13.863 INFO kablam!    |
Sep 04 01:07:13.863 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Sep 04 01:07:13.863 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Sep 04 01:07:13.863 INFO kablam! 16 | |     {
Sep 04 01:07:13.863 INFO kablam! 17 | |         let mut state = iterate(self);
Sep 04 01:07:13.863 INFO kablam! ...  |
Sep 04 01:07:13.863 INFO kablam! 21 | |         }}
Sep 04 01:07:13.863 INFO kablam! 22 | |     }
Sep 04 01:07:13.863 INFO kablam!    | |_____^
Sep 04 01:07:13.863 INFO kablam!    |
Sep 04 01:07:13.863 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Sep 04 01:07:13.863 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Sep 04 01:07:13.863 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 01:07:13.863 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Sep 04 01:07:13.863 INFO kablam! 
Sep 04 01:07:13.864 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Sep 04 01:07:13.864 INFO kablam!   --> /source/src/lib.rs:36:5
Sep 04 01:07:13.864 INFO kablam!    |
Sep 04 01:07:13.864 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Sep 04 01:07:13.864 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Sep 04 01:07:13.864 INFO kablam! 38 | |     {
Sep 04 01:07:13.864 INFO kablam! 39 | |         let mut state = iterate(self);
Sep 04 01:07:13.864 INFO kablam! ...  |
Sep 04 01:07:13.864 INFO kablam! 43 | |         }}
Sep 04 01:07:13.864 INFO kablam! 44 | |     }
Sep 04 01:07:13.864 INFO kablam!    | |_____^
Sep 04 01:07:13.864 INFO kablam!    |
Sep 04 01:07:13.864 INFO kablam!    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Sep 04 01:07:13.864 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 01:07:13.864 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Sep 04 01:07:13.864 INFO kablam! 
Sep 04 01:07:13.931 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Sep 04 01:07:13.934 INFO kablam! su: No module specific data is present
Sep 04 01:07:14.335 INFO running `"docker" "rm" "-f" "90abaa955b854fdc5a6971c5d9253d3443f0073d1f0015747ec1317786737d70"`
Sep 04 01:07:14.452 INFO blam! 90abaa955b854fdc5a6971c5d9253d3443f0073d1f0015747ec1317786737d70