Sep 05 22:12:37.430 INFO checking tailrec-0.0.4 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 22:12:37.430 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 22:12:37.430 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 22:12:37.670 INFO blam! 5959612c3885bd7beef97337bc1eadfba58a11441b6375fe406f33d7b962de1c
Sep 05 22:12:37.681 INFO running `"docker" "start" "-a" "5959612c3885bd7beef97337bc1eadfba58a11441b6375fe406f33d7b962de1c"`
Sep 05 22:12:38.833 INFO kablam! usermod: no changes
Sep 05 22:12:38.874 INFO kablam!     Checking tailrec v0.0.4 (file:///source)
Sep 05 22:12:39.064 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 05 22:12:39.064 INFO kablam!   --> src/lib.rs:14:5
Sep 05 22:12:39.064 INFO kablam!    |
Sep 05 22:12:39.064 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Sep 05 22:12:39.064 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Sep 05 22:12:39.064 INFO kablam! 16 | |     {
Sep 05 22:12:39.064 INFO kablam! 17 | |         let mut state = iterate(self);
Sep 05 22:12:39.064 INFO kablam! ...  |
Sep 05 22:12:39.064 INFO kablam! 21 | |         }}
Sep 05 22:12:39.064 INFO kablam! 22 | |     }
Sep 05 22:12:39.065 INFO kablam!    | |_____^
Sep 05 22:12:39.065 INFO kablam!    |
Sep 05 22:12:39.065 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Sep 05 22:12:39.065 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 05 22:12:39.065 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 05 22:12:39.065 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Sep 05 22:12:39.065 INFO kablam! 
Sep 05 22:12:39.065 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 05 22:12:39.065 INFO kablam!   --> src/lib.rs:36:5
Sep 05 22:12:39.065 INFO kablam!    |
Sep 05 22:12:39.065 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Sep 05 22:12:39.065 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Sep 05 22:12:39.065 INFO kablam! 38 | |     {
Sep 05 22:12:39.065 INFO kablam! 39 | |         let mut state = iterate(self);
Sep 05 22:12:39.065 INFO kablam! ...  |
Sep 05 22:12:39.065 INFO kablam! 43 | |         }}
Sep 05 22:12:39.065 INFO kablam! 44 | |     }
Sep 05 22:12:39.065 INFO kablam!    | |_____^
Sep 05 22:12:39.065 INFO kablam!    |
Sep 05 22:12:39.065 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 05 22:12:39.065 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 05 22:12:39.065 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Sep 05 22:12:39.065 INFO kablam! 
Sep 05 22:12:39.081 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 05 22:12:39.081 INFO kablam!   --> src/lib.rs:14:5
Sep 05 22:12:39.082 INFO kablam!    |
Sep 05 22:12:39.082 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Sep 05 22:12:39.082 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Sep 05 22:12:39.082 INFO kablam! 16 | |     {
Sep 05 22:12:39.082 INFO kablam! 17 | |         let mut state = iterate(self);
Sep 05 22:12:39.082 INFO kablam! ...  |
Sep 05 22:12:39.082 INFO kablam! 21 | |         }}
Sep 05 22:12:39.082 INFO kablam! 22 | |     }
Sep 05 22:12:39.082 INFO kablam!    | |_____^
Sep 05 22:12:39.082 INFO kablam!    |
Sep 05 22:12:39.082 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Sep 05 22:12:39.082 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 05 22:12:39.082 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 05 22:12:39.082 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Sep 05 22:12:39.082 INFO kablam! 
Sep 05 22:12:39.082 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 05 22:12:39.082 INFO kablam!   --> src/lib.rs:36:5
Sep 05 22:12:39.082 INFO kablam!    |
Sep 05 22:12:39.082 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Sep 05 22:12:39.082 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Sep 05 22:12:39.082 INFO kablam! 38 | |     {
Sep 05 22:12:39.082 INFO kablam! 39 | |         let mut state = iterate(self);
Sep 05 22:12:39.082 INFO kablam! ...  |
Sep 05 22:12:39.082 INFO kablam! 43 | |         }}
Sep 05 22:12:39.082 INFO kablam! 44 | |     }
Sep 05 22:12:39.082 INFO kablam!    | |_____^
Sep 05 22:12:39.082 INFO kablam!    |
Sep 05 22:12:39.082 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 05 22:12:39.082 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 05 22:12:39.082 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Sep 05 22:12:39.082 INFO kablam! 
Sep 05 22:12:39.322 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Sep 05 22:12:39.322 INFO kablam!   --> /source/src/lib.rs:14:5
Sep 05 22:12:39.322 INFO kablam!    |
Sep 05 22:12:39.322 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Sep 05 22:12:39.322 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Sep 05 22:12:39.322 INFO kablam! 16 | |     {
Sep 05 22:12:39.322 INFO kablam! 17 | |         let mut state = iterate(self);
Sep 05 22:12:39.322 INFO kablam! ...  |
Sep 05 22:12:39.322 INFO kablam! 21 | |         }}
Sep 05 22:12:39.322 INFO kablam! 22 | |     }
Sep 05 22:12:39.322 INFO kablam!    | |_____^
Sep 05 22:12:39.322 INFO kablam!    |
Sep 05 22:12:39.322 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Sep 05 22:12:39.322 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 05 22:12:39.322 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 05 22:12:39.322 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Sep 05 22:12:39.322 INFO kablam! 
Sep 05 22:12:39.322 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Sep 05 22:12:39.322 INFO kablam!   --> /source/src/lib.rs:36:5
Sep 05 22:12:39.322 INFO kablam!    |
Sep 05 22:12:39.322 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Sep 05 22:12:39.322 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Sep 05 22:12:39.322 INFO kablam! 38 | |     {
Sep 05 22:12:39.322 INFO kablam! 39 | |         let mut state = iterate(self);
Sep 05 22:12:39.322 INFO kablam! ...  |
Sep 05 22:12:39.322 INFO kablam! 43 | |         }}
Sep 05 22:12:39.322 INFO kablam! 44 | |     }
Sep 05 22:12:39.322 INFO kablam!    | |_____^
Sep 05 22:12:39.322 INFO kablam!    |
Sep 05 22:12:39.322 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 05 22:12:39.322 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 05 22:12:39.322 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Sep 05 22:12:39.322 INFO kablam! 
Sep 05 22:12:39.361 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Sep 05 22:12:39.365 INFO kablam! su: No module specific data is present
Sep 05 22:12:40.175 INFO running `"docker" "rm" "-f" "5959612c3885bd7beef97337bc1eadfba58a11441b6375fe406f33d7b962de1c"`
Sep 05 22:12:40.345 INFO blam! 5959612c3885bd7beef97337bc1eadfba58a11441b6375fe406f33d7b962de1c