Sep 04 04:27:51.591 INFO checking tailrec-0.0.4 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 04:27:51.591 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 04:27:51.591 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 04:27:51.748 INFO blam! aebb510e6966b1cab36a192f68f1dcd58e987683dade567827fd431c88c3d224
Sep 04 04:27:51.749 INFO running `"docker" "start" "-a" "aebb510e6966b1cab36a192f68f1dcd58e987683dade567827fd431c88c3d224"`
Sep 04 04:27:52.363 INFO kablam!     Checking tailrec v0.0.4 (file:///source)
Sep 04 04:27:52.688 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 04 04:27:52.688 INFO kablam!   --> src/lib.rs:14:5
Sep 04 04:27:52.688 INFO kablam!    |
Sep 04 04:27:52.688 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Sep 04 04:27:52.688 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Sep 04 04:27:52.688 INFO kablam! 16 | |     {
Sep 04 04:27:52.688 INFO kablam! 17 | |         let mut state = iterate(self);
Sep 04 04:27:52.688 INFO kablam! ...  |
Sep 04 04:27:52.688 INFO kablam! 21 | |         }}
Sep 04 04:27:52.688 INFO kablam! 22 | |     }
Sep 04 04:27:52.688 INFO kablam!    | |_____^
Sep 04 04:27:52.688 INFO kablam!    |
Sep 04 04:27:52.688 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Sep 04 04:27:52.688 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 04:27:52.688 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 04:27:52.688 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Sep 04 04:27:52.688 INFO kablam! 
Sep 04 04:27:52.689 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 04 04:27:52.689 INFO kablam!   --> src/lib.rs:36:5
Sep 04 04:27:52.689 INFO kablam!    |
Sep 04 04:27:52.689 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Sep 04 04:27:52.689 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Sep 04 04:27:52.689 INFO kablam! 38 | |     {
Sep 04 04:27:52.689 INFO kablam! 39 | |         let mut state = iterate(self);
Sep 04 04:27:52.689 INFO kablam! ...  |
Sep 04 04:27:52.689 INFO kablam! 43 | |         }}
Sep 04 04:27:52.690 INFO kablam! 44 | |     }
Sep 04 04:27:52.690 INFO kablam!    | |_____^
Sep 04 04:27:52.690 INFO kablam!    |
Sep 04 04:27:52.690 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 04:27:52.690 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 04:27:52.690 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Sep 04 04:27:52.690 INFO kablam! 
Sep 04 04:27:52.771 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 04 04:27:52.771 INFO kablam!   --> src/lib.rs:14:5
Sep 04 04:27:52.771 INFO kablam!    |
Sep 04 04:27:52.771 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Sep 04 04:27:52.771 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Sep 04 04:27:52.771 INFO kablam! 16 | |     {
Sep 04 04:27:52.771 INFO kablam! 17 | |         let mut state = iterate(self);
Sep 04 04:27:52.771 INFO kablam! ...  |
Sep 04 04:27:52.771 INFO kablam! 21 | |         }}
Sep 04 04:27:52.771 INFO kablam! 22 | |     }
Sep 04 04:27:52.771 INFO kablam!    | |_____^
Sep 04 04:27:52.771 INFO kablam!    |
Sep 04 04:27:52.771 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Sep 04 04:27:52.771 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 04:27:52.771 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 04:27:52.771 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Sep 04 04:27:52.772 INFO kablam! 
Sep 04 04:27:52.773 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Sep 04 04:27:52.773 INFO kablam!   --> src/lib.rs:36:5
Sep 04 04:27:52.773 INFO kablam!    |
Sep 04 04:27:52.773 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Sep 04 04:27:52.773 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Sep 04 04:27:52.773 INFO kablam! 38 | |     {
Sep 04 04:27:52.773 INFO kablam! 39 | |         let mut state = iterate(self);
Sep 04 04:27:52.773 INFO kablam! ...  |
Sep 04 04:27:52.773 INFO kablam! 43 | |         }}
Sep 04 04:27:52.773 INFO kablam! 44 | |     }
Sep 04 04:27:52.773 INFO kablam!    | |_____^
Sep 04 04:27:52.773 INFO kablam!    |
Sep 04 04:27:52.773 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 04:27:52.773 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 04:27:52.773 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Sep 04 04:27:52.773 INFO kablam! 
Sep 04 04:27:53.053 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Sep 04 04:27:53.053 INFO kablam!   --> /source/src/lib.rs:14:5
Sep 04 04:27:53.053 INFO kablam!    |
Sep 04 04:27:53.053 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Sep 04 04:27:53.053 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Sep 04 04:27:53.053 INFO kablam! 16 | |     {
Sep 04 04:27:53.054 INFO kablam! 17 | |         let mut state = iterate(self);
Sep 04 04:27:53.054 INFO kablam! ...  |
Sep 04 04:27:53.054 INFO kablam! 21 | |         }}
Sep 04 04:27:53.054 INFO kablam! 22 | |     }
Sep 04 04:27:53.054 INFO kablam!    | |_____^
Sep 04 04:27:53.054 INFO kablam!    |
Sep 04 04:27:53.054 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Sep 04 04:27:53.054 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 04:27:53.054 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 04:27:53.054 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Sep 04 04:27:53.054 INFO kablam! 
Sep 04 04:27:53.054 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Sep 04 04:27:53.054 INFO kablam!   --> /source/src/lib.rs:36:5
Sep 04 04:27:53.054 INFO kablam!    |
Sep 04 04:27:53.054 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Sep 04 04:27:53.055 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Sep 04 04:27:53.055 INFO kablam! 38 | |     {
Sep 04 04:27:53.055 INFO kablam! 39 | |         let mut state = iterate(self);
Sep 04 04:27:53.055 INFO kablam! ...  |
Sep 04 04:27:53.055 INFO kablam! 43 | |         }}
Sep 04 04:27:53.055 INFO kablam! 44 | |     }
Sep 04 04:27:53.055 INFO kablam!    | |_____^
Sep 04 04:27:53.055 INFO kablam!    |
Sep 04 04:27:53.055 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 04:27:53.055 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Sep 04 04:27:53.055 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Sep 04 04:27:53.055 INFO kablam! 
Sep 04 04:27:53.110 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Sep 04 04:27:53.114 INFO kablam! su: No module specific data is present
Sep 04 04:27:53.590 INFO running `"docker" "rm" "-f" "aebb510e6966b1cab36a192f68f1dcd58e987683dade567827fd431c88c3d224"`
Sep 04 04:27:53.717 INFO blam! aebb510e6966b1cab36a192f68f1dcd58e987683dade567827fd431c88c3d224