Jul 11 19:59:20.372 INFO checking tailrec-0.0.4 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 11 19:59:20.372 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 19:59:20.372 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 19:59:20.372 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-3/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 19:59:20.694 INFO blam! 6a24fc3ad8be49433c4b8da7a2a6a2ce4aac87a7ba64da381540911ea30cf4af
Jul 11 19:59:20.703 INFO running `"docker" "start" "-a" "6a24fc3ad8be49433c4b8da7a2a6a2ce4aac87a7ba64da381540911ea30cf4af"`
Jul 11 19:59:21.774 INFO kablam!     Checking tailrec v0.0.4 (file:///source)
Jul 11 19:59:22.166 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Jul 11 19:59:22.166 INFO kablam!   --> src/lib.rs:14:5
Jul 11 19:59:22.166 INFO kablam!    |
Jul 11 19:59:22.166 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Jul 11 19:59:22.166 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Jul 11 19:59:22.166 INFO kablam! 16 | |     {
Jul 11 19:59:22.166 INFO kablam! 17 | |         let mut state = iterate(self);
Jul 11 19:59:22.166 INFO kablam! ...  |
Jul 11 19:59:22.166 INFO kablam! 21 | |         }}
Jul 11 19:59:22.166 INFO kablam! 22 | |     }
Jul 11 19:59:22.166 INFO kablam!    | |_____^
Jul 11 19:59:22.166 INFO kablam!    |
Jul 11 19:59:22.166 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Jul 11 19:59:22.166 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!
Jul 11 19:59:22.166 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Jul 11 19:59:22.167 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Jul 11 19:59:22.167 INFO kablam! 
Jul 11 19:59:22.167 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Jul 11 19:59:22.167 INFO kablam!   --> src/lib.rs:36:5
Jul 11 19:59:22.167 INFO kablam!    |
Jul 11 19:59:22.167 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Jul 11 19:59:22.167 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Jul 11 19:59:22.167 INFO kablam! 38 | |     {
Jul 11 19:59:22.167 INFO kablam! 39 | |         let mut state = iterate(self);
Jul 11 19:59:22.167 INFO kablam! ...  |
Jul 11 19:59:22.167 INFO kablam! 43 | |         }}
Jul 11 19:59:22.167 INFO kablam! 44 | |     }
Jul 11 19:59:22.167 INFO kablam!    | |_____^
Jul 11 19:59:22.167 INFO kablam!    |
Jul 11 19:59:22.167 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!
Jul 11 19:59:22.167 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Jul 11 19:59:22.167 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Jul 11 19:59:22.167 INFO kablam! 
Jul 11 19:59:22.500 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Jul 11 19:59:22.500 INFO kablam!   --> src/lib.rs:14:5
Jul 11 19:59:22.501 INFO kablam!    |
Jul 11 19:59:22.501 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Jul 11 19:59:22.501 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Jul 11 19:59:22.501 INFO kablam! 16 | |     {
Jul 11 19:59:22.501 INFO kablam! 17 | |         let mut state = iterate(self);
Jul 11 19:59:22.501 INFO kablam! ...  |
Jul 11 19:59:22.501 INFO kablam! 21 | |         }}
Jul 11 19:59:22.501 INFO kablam! 22 | |     }
Jul 11 19:59:22.501 INFO kablam!    | |_____^
Jul 11 19:59:22.501 INFO kablam!    |
Jul 11 19:59:22.501 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Jul 11 19:59:22.501 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!
Jul 11 19:59:22.501 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Jul 11 19:59:22.501 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Jul 11 19:59:22.501 INFO kablam! 
Jul 11 19:59:22.501 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Jul 11 19:59:22.501 INFO kablam!   --> src/lib.rs:36:5
Jul 11 19:59:22.501 INFO kablam!    |
Jul 11 19:59:22.501 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Jul 11 19:59:22.501 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Jul 11 19:59:22.501 INFO kablam! 38 | |     {
Jul 11 19:59:22.501 INFO kablam! 39 | |         let mut state = iterate(self);
Jul 11 19:59:22.501 INFO kablam! ...  |
Jul 11 19:59:22.502 INFO kablam! 43 | |         }}
Jul 11 19:59:22.502 INFO kablam! 44 | |     }
Jul 11 19:59:22.502 INFO kablam!    | |_____^
Jul 11 19:59:22.502 INFO kablam!    |
Jul 11 19:59:22.502 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!
Jul 11 19:59:22.502 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Jul 11 19:59:22.502 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Jul 11 19:59:22.502 INFO kablam! 
Jul 11 19:59:22.646 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Jul 11 19:59:22.646 INFO kablam!   --> /source/src/lib.rs:14:5
Jul 11 19:59:22.646 INFO kablam!    |
Jul 11 19:59:22.646 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Jul 11 19:59:22.646 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Jul 11 19:59:22.646 INFO kablam! 16 | |     {
Jul 11 19:59:22.646 INFO kablam! 17 | |         let mut state = iterate(self);
Jul 11 19:59:22.646 INFO kablam! ...  |
Jul 11 19:59:22.646 INFO kablam! 21 | |         }}
Jul 11 19:59:22.646 INFO kablam! 22 | |     }
Jul 11 19:59:22.646 INFO kablam!    | |_____^
Jul 11 19:59:22.646 INFO kablam!    |
Jul 11 19:59:22.646 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Jul 11 19:59:22.646 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!
Jul 11 19:59:22.646 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Jul 11 19:59:22.646 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Jul 11 19:59:22.646 INFO kablam! 
Jul 11 19:59:22.647 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Jul 11 19:59:22.647 INFO kablam!   --> /source/src/lib.rs:36:5
Jul 11 19:59:22.647 INFO kablam!    |
Jul 11 19:59:22.647 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Jul 11 19:59:22.647 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Jul 11 19:59:22.647 INFO kablam! 38 | |     {
Jul 11 19:59:22.647 INFO kablam! 39 | |         let mut state = iterate(self);
Jul 11 19:59:22.647 INFO kablam! ...  |
Jul 11 19:59:22.647 INFO kablam! 43 | |         }}
Jul 11 19:59:22.647 INFO kablam! 44 | |     }
Jul 11 19:59:22.647 INFO kablam!    | |_____^
Jul 11 19:59:22.647 INFO kablam!    |
Jul 11 19:59:22.647 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!
Jul 11 19:59:22.647 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Jul 11 19:59:22.647 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Jul 11 19:59:22.647 INFO kablam! 
Jul 11 19:59:22.742 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Jul 11 19:59:22.757 INFO kablam! su: No module specific data is present
Jul 11 19:59:23.370 INFO running `"docker" "rm" "-f" "6a24fc3ad8be49433c4b8da7a2a6a2ce4aac87a7ba64da381540911ea30cf4af"`
Jul 11 19:59:23.536 INFO blam! 6a24fc3ad8be49433c4b8da7a2a6a2ce4aac87a7ba64da381540911ea30cf4af