Aug 11 00:27:04.927 INFO checking tailrec-0.0.4 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 00:27:04.927 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 00:27:04.927 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 00:27:04.927 INFO running `"docker" "create" "-v" "/tmp/crater.XkO7a1PJDhzG:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-4/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 00:27:05.135 INFO blam! 9b9d6d34ec32e7aba857d560e9af008af3740703db97b7b643a281a2a56bf40f
Aug 11 00:27:05.137 INFO running `"docker" "start" "-a" "9b9d6d34ec32e7aba857d560e9af008af3740703db97b7b643a281a2a56bf40f"`
Aug 11 00:27:06.275 INFO kablam!     Checking tailrec v0.0.4 (file:///source)
Aug 11 00:27:06.732 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Aug 11 00:27:06.732 INFO kablam!   --> src/lib.rs:14:5
Aug 11 00:27:06.732 INFO kablam!    |
Aug 11 00:27:06.732 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Aug 11 00:27:06.732 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Aug 11 00:27:06.732 INFO kablam! 16 | |     {
Aug 11 00:27:06.732 INFO kablam! 17 | |         let mut state = iterate(self);
Aug 11 00:27:06.732 INFO kablam! ...  |
Aug 11 00:27:06.732 INFO kablam! 21 | |         }}
Aug 11 00:27:06.732 INFO kablam! 22 | |     }
Aug 11 00:27:06.732 INFO kablam!    | |_____^
Aug 11 00:27:06.732 INFO kablam!    |
Aug 11 00:27:06.732 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Aug 11 00:27:06.733 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!
Aug 11 00:27:06.733 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Aug 11 00:27:06.733 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Aug 11 00:27:06.734 INFO kablam! 
Aug 11 00:27:06.734 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Aug 11 00:27:06.734 INFO kablam!   --> src/lib.rs:36:5
Aug 11 00:27:06.734 INFO kablam!    |
Aug 11 00:27:06.734 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Aug 11 00:27:06.735 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Aug 11 00:27:06.735 INFO kablam! 38 | |     {
Aug 11 00:27:06.735 INFO kablam! 39 | |         let mut state = iterate(self);
Aug 11 00:27:06.735 INFO kablam! ...  |
Aug 11 00:27:06.735 INFO kablam! 43 | |         }}
Aug 11 00:27:06.735 INFO kablam! 44 | |     }
Aug 11 00:27:06.735 INFO kablam!    | |_____^
Aug 11 00:27:06.735 INFO kablam!    |
Aug 11 00:27:06.736 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!
Aug 11 00:27:06.736 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Aug 11 00:27:06.736 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Aug 11 00:27:06.737 INFO kablam! 
Aug 11 00:27:06.750 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Aug 11 00:27:06.750 INFO kablam!   --> src/lib.rs:14:5
Aug 11 00:27:06.750 INFO kablam!    |
Aug 11 00:27:06.750 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Aug 11 00:27:06.750 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Aug 11 00:27:06.750 INFO kablam! 16 | |     {
Aug 11 00:27:06.750 INFO kablam! 17 | |         let mut state = iterate(self);
Aug 11 00:27:06.750 INFO kablam! ...  |
Aug 11 00:27:06.750 INFO kablam! 21 | |         }}
Aug 11 00:27:06.750 INFO kablam! 22 | |     }
Aug 11 00:27:06.751 INFO kablam!    | |_____^
Aug 11 00:27:06.751 INFO kablam!    |
Aug 11 00:27:06.751 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Aug 11 00:27:06.752 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!
Aug 11 00:27:06.752 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Aug 11 00:27:06.752 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Aug 11 00:27:06.752 INFO kablam! 
Aug 11 00:27:06.752 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Aug 11 00:27:06.752 INFO kablam!   --> src/lib.rs:36:5
Aug 11 00:27:06.752 INFO kablam!    |
Aug 11 00:27:06.752 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Aug 11 00:27:06.752 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Aug 11 00:27:06.752 INFO kablam! 38 | |     {
Aug 11 00:27:06.752 INFO kablam! 39 | |         let mut state = iterate(self);
Aug 11 00:27:06.752 INFO kablam! ...  |
Aug 11 00:27:06.752 INFO kablam! 43 | |         }}
Aug 11 00:27:06.752 INFO kablam! 44 | |     }
Aug 11 00:27:06.752 INFO kablam!    | |_____^
Aug 11 00:27:06.752 INFO kablam!    |
Aug 11 00:27:06.752 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!
Aug 11 00:27:06.752 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Aug 11 00:27:06.752 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Aug 11 00:27:06.752 INFO kablam! 
Aug 11 00:27:07.119 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Aug 11 00:27:07.119 INFO kablam!   --> /source/src/lib.rs:14:5
Aug 11 00:27:07.119 INFO kablam!    |
Aug 11 00:27:07.119 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Aug 11 00:27:07.120 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Aug 11 00:27:07.120 INFO kablam! 16 | |     {
Aug 11 00:27:07.120 INFO kablam! 17 | |         let mut state = iterate(self);
Aug 11 00:27:07.120 INFO kablam! ...  |
Aug 11 00:27:07.120 INFO kablam! 21 | |         }}
Aug 11 00:27:07.120 INFO kablam! 22 | |     }
Aug 11 00:27:07.120 INFO kablam!    | |_____^
Aug 11 00:27:07.120 INFO kablam!    |
Aug 11 00:27:07.120 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Aug 11 00:27:07.120 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!
Aug 11 00:27:07.120 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Aug 11 00:27:07.120 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Aug 11 00:27:07.120 INFO kablam! 
Aug 11 00:27:07.120 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Aug 11 00:27:07.120 INFO kablam!   --> /source/src/lib.rs:36:5
Aug 11 00:27:07.120 INFO kablam!    |
Aug 11 00:27:07.120 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Aug 11 00:27:07.120 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Aug 11 00:27:07.120 INFO kablam! 38 | |     {
Aug 11 00:27:07.120 INFO kablam! 39 | |         let mut state = iterate(self);
Aug 11 00:27:07.121 INFO kablam! ...  |
Aug 11 00:27:07.121 INFO kablam! 43 | |         }}
Aug 11 00:27:07.121 INFO kablam! 44 | |     }
Aug 11 00:27:07.121 INFO kablam!    | |_____^
Aug 11 00:27:07.121 INFO kablam!    |
Aug 11 00:27:07.121 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!
Aug 11 00:27:07.121 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Aug 11 00:27:07.121 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Aug 11 00:27:07.121 INFO kablam! 
Aug 11 00:27:07.276 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Aug 11 00:27:07.299 INFO kablam! su: No module specific data is present
Aug 11 00:27:07.804 INFO running `"docker" "rm" "-f" "9b9d6d34ec32e7aba857d560e9af008af3740703db97b7b643a281a2a56bf40f"`
Aug 11 00:27:07.961 INFO blam! 9b9d6d34ec32e7aba857d560e9af008af3740703db97b7b643a281a2a56bf40f