Oct 13 07:40:41.634 INFO checking tailrec-0.0.4 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 07:40:41.635 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 07:40:42.052 INFO blam! bf8b6fc68c954293e5473dde16a44f77e7e29216b5c0e39ca0e075f97985e68e
Oct 13 07:40:42.058 INFO running `"docker" "start" "-a" "bf8b6fc68c954293e5473dde16a44f77e7e29216b5c0e39ca0e075f97985e68e"`
Oct 13 07:40:43.413 INFO kablam! usermod: no changes
Oct 13 07:40:43.470 INFO kablam!     Checking tailrec v0.0.4 (/source)
Oct 13 07:40:44.372 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Oct 13 07:40:44.373 INFO kablam!   --> src/lib.rs:14:5
Oct 13 07:40:44.374 INFO kablam!    |
Oct 13 07:40:44.374 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Oct 13 07:40:44.375 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Oct 13 07:40:44.375 INFO kablam! 16 | |     {
Oct 13 07:40:44.376 INFO kablam! 17 | |         let mut state = iterate(self);
Oct 13 07:40:44.376 INFO kablam! ...  |
Oct 13 07:40:44.377 INFO kablam! 21 | |         }}
Oct 13 07:40:44.377 INFO kablam! 22 | |     }
Oct 13 07:40:44.377 INFO kablam!    | |_____^
Oct 13 07:40:44.377 INFO kablam!    |
Oct 13 07:40:44.377 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 13 07:40:44.377 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!
Oct 13 07:40:44.377 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 13 07:40:44.377 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Oct 13 07:40:44.377 INFO kablam! 
Oct 13 07:40:44.377 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Oct 13 07:40:44.377 INFO kablam!   --> src/lib.rs:36:5
Oct 13 07:40:44.379 INFO kablam!    |
Oct 13 07:40:44.379 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Oct 13 07:40:44.379 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Oct 13 07:40:44.379 INFO kablam! 38 | |     {
Oct 13 07:40:44.379 INFO kablam! 39 | |         let mut state = iterate(self);
Oct 13 07:40:44.379 INFO kablam! ...  |
Oct 13 07:40:44.379 INFO kablam! 43 | |         }}
Oct 13 07:40:44.379 INFO kablam! 44 | |     }
Oct 13 07:40:44.379 INFO kablam!    | |_____^
Oct 13 07:40:44.379 INFO kablam!    |
Oct 13 07:40:44.379 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!
Oct 13 07:40:44.379 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 13 07:40:44.379 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Oct 13 07:40:44.379 INFO kablam! 
Oct 13 07:40:44.392 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Oct 13 07:40:44.393 INFO kablam!   --> src/lib.rs:14:5
Oct 13 07:40:44.393 INFO kablam!    |
Oct 13 07:40:44.393 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Oct 13 07:40:44.393 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Oct 13 07:40:44.393 INFO kablam! 16 | |     {
Oct 13 07:40:44.393 INFO kablam! 17 | |         let mut state = iterate(self);
Oct 13 07:40:44.394 INFO kablam! ...  |
Oct 13 07:40:44.394 INFO kablam! 21 | |         }}
Oct 13 07:40:44.394 INFO kablam! 22 | |     }
Oct 13 07:40:44.394 INFO kablam!    | |_____^
Oct 13 07:40:44.394 INFO kablam!    |
Oct 13 07:40:44.394 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 13 07:40:44.394 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!
Oct 13 07:40:44.394 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 13 07:40:44.394 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Oct 13 07:40:44.394 INFO kablam! 
Oct 13 07:40:44.394 INFO kablam! warning: the trait `TailRec` cannot be made into an object
Oct 13 07:40:44.394 INFO kablam!   --> src/lib.rs:36:5
Oct 13 07:40:44.394 INFO kablam!    |
Oct 13 07:40:44.394 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Oct 13 07:40:44.394 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Oct 13 07:40:44.396 INFO kablam! 38 | |     {
Oct 13 07:40:44.397 INFO kablam! 39 | |         let mut state = iterate(self);
Oct 13 07:40:44.397 INFO kablam! ...  |
Oct 13 07:40:44.397 INFO kablam! 43 | |         }}
Oct 13 07:40:44.397 INFO kablam! 44 | |     }
Oct 13 07:40:44.397 INFO kablam!    | |_____^
Oct 13 07:40:44.397 INFO kablam!    |
Oct 13 07:40:44.397 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!
Oct 13 07:40:44.397 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 13 07:40:44.397 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Oct 13 07:40:44.397 INFO kablam! 
Oct 13 07:40:45.236 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Oct 13 07:40:45.236 INFO kablam!   --> /source/src/lib.rs:14:5
Oct 13 07:40:45.236 INFO kablam!    |
Oct 13 07:40:45.236 INFO kablam! 14 | /     fn rec_ref<'a>(&'a self, iterate: F) -> Output where
Oct 13 07:40:45.236 INFO kablam! 15 | |         F: for<'r> Fn(&'r Self) -> Result<Output, &'r Self>
Oct 13 07:40:45.236 INFO kablam! 16 | |     {
Oct 13 07:40:45.236 INFO kablam! 17 | |         let mut state = iterate(self);
Oct 13 07:40:45.236 INFO kablam! ...  |
Oct 13 07:40:45.236 INFO kablam! 21 | |         }}
Oct 13 07:40:45.236 INFO kablam! 22 | |     }
Oct 13 07:40:45.236 INFO kablam!    | |_____^
Oct 13 07:40:45.236 INFO kablam!    |
Oct 13 07:40:45.236 INFO kablam!    = note: #[warn(where_clauses_object_safety)] on by default
Oct 13 07:40:45.236 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!
Oct 13 07:40:45.236 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 13 07:40:45.236 INFO kablam!    = note: method `rec_ref` references the `Self` type in where clauses
Oct 13 07:40:45.236 INFO kablam! 
Oct 13 07:40:45.260 INFO kablam! warning: the trait `tailrec::TailRec` cannot be made into an object
Oct 13 07:40:45.261 INFO kablam!   --> /source/src/lib.rs:36:5
Oct 13 07:40:45.261 INFO kablam!    |
Oct 13 07:40:45.261 INFO kablam! 36 | /     fn rec_ref_mut<'a>(&'a mut self, mut iterate: F) -> Output where
Oct 13 07:40:45.262 INFO kablam! 37 | |         F: for<'r> FnMut(&'r mut Self) -> Result<Output, &'r mut Self>
Oct 13 07:40:45.262 INFO kablam! 38 | |     {
Oct 13 07:40:45.262 INFO kablam! 39 | |         let mut state = iterate(self);
Oct 13 07:40:45.263 INFO kablam! ...  |
Oct 13 07:40:45.263 INFO kablam! 43 | |         }}
Oct 13 07:40:45.263 INFO kablam! 44 | |     }
Oct 13 07:40:45.263 INFO kablam!    | |_____^
Oct 13 07:40:45.264 INFO kablam!    |
Oct 13 07:40:45.264 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!
Oct 13 07:40:45.264 INFO kablam!    = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
Oct 13 07:40:45.264 INFO kablam!    = note: method `rec_ref_mut` references the `Self` type in where clauses
Oct 13 07:40:45.265 INFO kablam! 
Oct 13 07:40:45.348 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
Oct 13 07:40:45.372 INFO kablam! su: No module specific data is present
Oct 13 07:40:46.040 INFO running `"docker" "rm" "-f" "bf8b6fc68c954293e5473dde16a44f77e7e29216b5c0e39ca0e075f97985e68e"`
Oct 13 07:40:46.376 INFO blam! bf8b6fc68c954293e5473dde16a44f77e7e29216b5c0e39ca0e075f97985e68e