Sep 05 22:12:37.545 INFO checking tailrec-0.0.4 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854 Sep 05 22:12:37.545 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets Sep 05 22:12:37.545 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 05 22:12:37.729 INFO blam! f7eeaca7c98d1977ff74e90bf4eebfb4c8cc375b2d74c18d3ded24de8b98be8e Sep 05 22:12:37.731 INFO running `"docker" "start" "-a" "f7eeaca7c98d1977ff74e90bf4eebfb4c8cc375b2d74c18d3ded24de8b98be8e"` Sep 05 22:12:39.204 INFO kablam! usermod: no changes Sep 05 22:12:39.241 INFO kablam! Checking tailrec v0.0.4 (file:///source) Sep 05 22:12:39.426 INFO kablam! warning: the trait `TailRec` cannot be made into an object Sep 05 22:12:39.426 INFO kablam! --> src/lib.rs:14:5 Sep 05 22:12:39.426 INFO kablam! | Sep 05 22:12:39.426 INFO kablam! 14 | / fn rec_ref<'a>(&'a self, iterate: F) -> Output where Sep 05 22:12:39.426 INFO kablam! 15 | | F: for<'r> Fn(&'r Self) -> Result Sep 05 22:12:39.426 INFO kablam! 16 | | { Sep 05 22:12:39.426 INFO kablam! 17 | | let mut state = iterate(self); Sep 05 22:12:39.426 INFO kablam! ... | Sep 05 22:12:39.426 INFO kablam! 21 | | }} Sep 05 22:12:39.426 INFO kablam! 22 | | } Sep 05 22:12:39.426 INFO kablam! | |_____^ Sep 05 22:12:39.426 INFO kablam! | Sep 05 22:12:39.426 INFO kablam! = note: #[warn(where_clauses_object_safety)] on by default Sep 05 22:12:39.426 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 22:12:39.426 INFO kablam! = note: for more information, see issue #51443 Sep 05 22:12:39.426 INFO kablam! = note: method `rec_ref` references the `Self` type in where clauses Sep 05 22:12:39.426 INFO kablam! Sep 05 22:12:39.426 INFO kablam! warning: the trait `TailRec` cannot be made into an object Sep 05 22:12:39.426 INFO kablam! --> src/lib.rs:36:5 Sep 05 22:12:39.426 INFO kablam! | Sep 05 22:12:39.426 INFO kablam! 36 | / fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where Sep 05 22:12:39.426 INFO kablam! 37 | | F: for<'r> FnMut(&'r mut Self) -> Result Sep 05 22:12:39.426 INFO kablam! 38 | | { Sep 05 22:12:39.426 INFO kablam! 39 | | let mut state = iterate(self); Sep 05 22:12:39.426 INFO kablam! ... | Sep 05 22:12:39.426 INFO kablam! 43 | | }} Sep 05 22:12:39.426 INFO kablam! 44 | | } Sep 05 22:12:39.426 INFO kablam! | |_____^ Sep 05 22:12:39.426 INFO kablam! | Sep 05 22:12:39.426 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 22:12:39.426 INFO kablam! = note: for more information, see issue #51443 Sep 05 22:12:39.426 INFO kablam! = note: method `rec_ref_mut` references the `Self` type in where clauses Sep 05 22:12:39.426 INFO kablam! Sep 05 22:12:39.474 INFO kablam! warning: the trait `TailRec` cannot be made into an object Sep 05 22:12:39.474 INFO kablam! --> src/lib.rs:14:5 Sep 05 22:12:39.474 INFO kablam! | Sep 05 22:12:39.474 INFO kablam! 14 | / fn rec_ref<'a>(&'a self, iterate: F) -> Output where Sep 05 22:12:39.474 INFO kablam! 15 | | F: for<'r> Fn(&'r Self) -> Result Sep 05 22:12:39.474 INFO kablam! 16 | | { Sep 05 22:12:39.474 INFO kablam! 17 | | let mut state = iterate(self); Sep 05 22:12:39.474 INFO kablam! ... | Sep 05 22:12:39.474 INFO kablam! 21 | | }} Sep 05 22:12:39.474 INFO kablam! 22 | | } Sep 05 22:12:39.474 INFO kablam! | |_____^ Sep 05 22:12:39.474 INFO kablam! | Sep 05 22:12:39.474 INFO kablam! = note: #[warn(where_clauses_object_safety)] on by default Sep 05 22:12:39.474 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 22:12:39.474 INFO kablam! = note: for more information, see issue #51443 Sep 05 22:12:39.474 INFO kablam! = note: method `rec_ref` references the `Self` type in where clauses Sep 05 22:12:39.474 INFO kablam! Sep 05 22:12:39.475 INFO kablam! warning: the trait `TailRec` cannot be made into an object Sep 05 22:12:39.476 INFO kablam! --> src/lib.rs:36:5 Sep 05 22:12:39.476 INFO kablam! | Sep 05 22:12:39.476 INFO kablam! 36 | / fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where Sep 05 22:12:39.476 INFO kablam! 37 | | F: for<'r> FnMut(&'r mut Self) -> Result Sep 05 22:12:39.476 INFO kablam! 38 | | { Sep 05 22:12:39.476 INFO kablam! 39 | | let mut state = iterate(self); Sep 05 22:12:39.476 INFO kablam! ... | Sep 05 22:12:39.476 INFO kablam! 43 | | }} Sep 05 22:12:39.476 INFO kablam! 44 | | } Sep 05 22:12:39.476 INFO kablam! | |_____^ Sep 05 22:12:39.476 INFO kablam! | Sep 05 22:12:39.476 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 22:12:39.476 INFO kablam! = note: for more information, see issue #51443 Sep 05 22:12:39.476 INFO kablam! = note: method `rec_ref_mut` references the `Self` type in where clauses Sep 05 22:12:39.476 INFO kablam! Sep 05 22:12:39.750 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object Sep 05 22:12:39.750 INFO kablam! --> /source/src/lib.rs:14:5 Sep 05 22:12:39.750 INFO kablam! | Sep 05 22:12:39.750 INFO kablam! 14 | / fn rec_ref<'a>(&'a self, iterate: F) -> Output where Sep 05 22:12:39.750 INFO kablam! 15 | | F: for<'r> Fn(&'r Self) -> Result Sep 05 22:12:39.750 INFO kablam! 16 | | { Sep 05 22:12:39.750 INFO kablam! 17 | | let mut state = iterate(self); Sep 05 22:12:39.750 INFO kablam! ... | Sep 05 22:12:39.750 INFO kablam! 21 | | }} Sep 05 22:12:39.750 INFO kablam! 22 | | } Sep 05 22:12:39.750 INFO kablam! | |_____^ Sep 05 22:12:39.750 INFO kablam! | Sep 05 22:12:39.750 INFO kablam! = note: #[warn(where_clauses_object_safety)] on by default Sep 05 22:12:39.750 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 22:12:39.750 INFO kablam! = note: for more information, see issue #51443 Sep 05 22:12:39.750 INFO kablam! = note: method `rec_ref` references the `Self` type in where clauses Sep 05 22:12:39.750 INFO kablam! Sep 05 22:12:39.750 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object Sep 05 22:12:39.750 INFO kablam! --> /source/src/lib.rs:36:5 Sep 05 22:12:39.750 INFO kablam! | Sep 05 22:12:39.750 INFO kablam! 36 | / fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where Sep 05 22:12:39.750 INFO kablam! 37 | | F: for<'r> FnMut(&'r mut Self) -> Result Sep 05 22:12:39.750 INFO kablam! 38 | | { Sep 05 22:12:39.750 INFO kablam! 39 | | let mut state = iterate(self); Sep 05 22:12:39.750 INFO kablam! ... | Sep 05 22:12:39.750 INFO kablam! 43 | | }} Sep 05 22:12:39.750 INFO kablam! 44 | | } Sep 05 22:12:39.750 INFO kablam! | |_____^ Sep 05 22:12:39.750 INFO kablam! | Sep 05 22:12:39.750 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 22:12:39.750 INFO kablam! = note: for more information, see issue #51443 Sep 05 22:12:39.750 INFO kablam! = note: method `rec_ref_mut` references the `Self` type in where clauses Sep 05 22:12:39.750 INFO kablam! Sep 05 22:12:39.810 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.58s Sep 05 22:12:39.814 INFO kablam! su: No module specific data is present Sep 05 22:12:40.550 INFO running `"docker" "rm" "-f" "f7eeaca7c98d1977ff74e90bf4eebfb4c8cc375b2d74c18d3ded24de8b98be8e"` Sep 05 22:12:40.657 INFO blam! f7eeaca7c98d1977ff74e90bf4eebfb4c8cc375b2d74c18d3ded24de8b98be8e