Sep 06 02:53:38.736 INFO checking orset-0.2.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 02:53:38.736 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 02:53:38.736 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:53:38.892 INFO blam! 6c52c89e25f734c88a17629fe6dee8fc336b52a3c2ef317f1e75f12340e3bacd
Sep 06 02:53:38.893 INFO running `"docker" "start" "-a" "6c52c89e25f734c88a17629fe6dee8fc336b52a3c2ef317f1e75f12340e3bacd"`
Sep 06 02:53:40.412 INFO kablam! usermod: no changes
Sep 06 02:53:40.488 INFO kablam!     Checking orset v0.2.0 (file:///source)
Sep 06 02:53:40.965 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:53:40.965 INFO kablam!   --> src/lib.rs:77:13
Sep 06 02:53:40.965 INFO kablam!    |
Sep 06 02:53:40.965 INFO kablam! 77 |         let mut adds = self.adds.entry(element).or_insert(Vec::new());
Sep 06 02:53:40.965 INFO kablam!    |             ----^^^^
Sep 06 02:53:40.965 INFO kablam!    |             |
Sep 06 02:53:40.965 INFO kablam!    |             help: remove this `mut`
Sep 06 02:53:40.965 INFO kablam!    |
Sep 06 02:53:40.965 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 02:53:40.965 INFO kablam! 
Sep 06 02:53:40.970 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:53:40.970 INFO kablam!   --> src/lib.rs:89:13
Sep 06 02:53:40.970 INFO kablam!    |
Sep 06 02:53:40.970 INFO kablam! 89 |         let mut removes = self.removes.entry(element.clone()).or_insert(Vec::new());
Sep 06 02:53:40.970 INFO kablam!    |             ----^^^^^^^
Sep 06 02:53:40.970 INFO kablam!    |             |
Sep 06 02:53:40.970 INFO kablam!    |             help: remove this `mut`
Sep 06 02:53:40.970 INFO kablam! 
Sep 06 02:53:40.970 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:53:40.970 INFO kablam!   --> src/lib.rs:90:13
Sep 06 02:53:40.970 INFO kablam!    |
Sep 06 02:53:40.970 INFO kablam! 90 |         let mut adds = self.adds.get_mut(&element).unwrap();
Sep 06 02:53:40.970 INFO kablam!    |             ----^^^^
Sep 06 02:53:40.970 INFO kablam!    |             |
Sep 06 02:53:40.970 INFO kablam!    |             help: remove this `mut`
Sep 06 02:53:40.970 INFO kablam! 
Sep 06 02:53:41.615 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:53:41.616 INFO kablam!   --> src/lib.rs:77:13
Sep 06 02:53:41.616 INFO kablam!    |
Sep 06 02:53:41.616 INFO kablam! 77 |         let mut adds = self.adds.entry(element).or_insert(Vec::new());
Sep 06 02:53:41.616 INFO kablam!    |             ----^^^^
Sep 06 02:53:41.616 INFO kablam!    |             |
Sep 06 02:53:41.616 INFO kablam!    |             help: remove this `mut`
Sep 06 02:53:41.616 INFO kablam!    |
Sep 06 02:53:41.616 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 02:53:41.616 INFO kablam! 
Sep 06 02:53:41.616 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:53:41.616 INFO kablam!   --> src/lib.rs:89:13
Sep 06 02:53:41.616 INFO kablam!    |
Sep 06 02:53:41.616 INFO kablam! 89 |         let mut removes = self.removes.entry(element.clone()).or_insert(Vec::new());
Sep 06 02:53:41.616 INFO kablam!    |             ----^^^^^^^
Sep 06 02:53:41.616 INFO kablam!    |             |
Sep 06 02:53:41.616 INFO kablam!    |             help: remove this `mut`
Sep 06 02:53:41.616 INFO kablam! 
Sep 06 02:53:41.616 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:53:41.616 INFO kablam!   --> src/lib.rs:90:13
Sep 06 02:53:41.616 INFO kablam!    |
Sep 06 02:53:41.616 INFO kablam! 90 |         let mut adds = self.adds.get_mut(&element).unwrap();
Sep 06 02:53:41.616 INFO kablam!    |             ----^^^^
Sep 06 02:53:41.616 INFO kablam!    |             |
Sep 06 02:53:41.616 INFO kablam!    |             help: remove this `mut`
Sep 06 02:53:41.616 INFO kablam! 
Sep 06 02:53:41.666 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:53:41.666 INFO kablam!    --> src/lib.rs:517:13
Sep 06 02:53:41.666 INFO kablam!     |
Sep 06 02:53:41.666 INFO kablam! 517 |         let mut orset =
Sep 06 02:53:41.666 INFO kablam!     |             ----^^^^^
Sep 06 02:53:41.666 INFO kablam!     |             |
Sep 06 02:53:41.666 INFO kablam!     |             help: remove this `mut`
Sep 06 02:53:41.666 INFO kablam! 
Sep 06 02:53:41.666 INFO kablam! warning: variable does not need to be mutable
Sep 06 02:53:41.666 INFO kablam!    --> src/lib.rs:520:13
Sep 06 02:53:41.666 INFO kablam!     |
Sep 06 02:53:41.666 INFO kablam! 520 |         let mut mutator = mutators.entry(node).or_insert(Vec::new());
Sep 06 02:53:41.666 INFO kablam!     |             ----^^^^^^^
Sep 06 02:53:41.666 INFO kablam!     |             |
Sep 06 02:53:41.666 INFO kablam!     |             help: remove this `mut`
Sep 06 02:53:41.666 INFO kablam! 
Sep 06 02:53:41.721 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Sep 06 02:53:41.730 INFO kablam! su: No module specific data is present
Sep 06 02:53:42.780 INFO running `"docker" "rm" "-f" "6c52c89e25f734c88a17629fe6dee8fc336b52a3c2ef317f1e75f12340e3bacd"`
Sep 06 02:53:42.891 INFO blam! 6c52c89e25f734c88a17629fe6dee8fc336b52a3c2ef317f1e75f12340e3bacd