Sep 05 20:34:12.011 INFO checking xi-rpc-0.2.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 20:34:12.011 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 20:34:12.011 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/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 05 20:34:12.307 INFO blam! ccd76940eff3b04e08b90a4f863d11c70c53d1069daadc59437af5ce5d355d7c
Sep 05 20:34:12.307 INFO running `"docker" "start" "-a" "ccd76940eff3b04e08b90a4f863d11c70c53d1069daadc59437af5ce5d355d7c"`
Sep 05 20:34:13.307 INFO kablam! usermod: no changes
Sep 05 20:34:13.397 INFO kablam!     Checking serde_json v0.9.10
Sep 05 20:34:15.278 INFO kablam!     Checking xi-rpc v0.2.0 (file:///source)
Sep 05 20:34:15.826 INFO kablam! warning: variable does not need to be mutable
Sep 05 20:34:15.826 INFO kablam!    --> src/lib.rs:326:13
Sep 05 20:34:15.826 INFO kablam!     |
Sep 05 20:34:15.826 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 05 20:34:15.826 INFO kablam!     |             ----^^^^
Sep 05 20:34:15.826 INFO kablam!     |             |
Sep 05 20:34:15.826 INFO kablam!     |             help: remove this `mut`
Sep 05 20:34:15.826 INFO kablam!     |
Sep 05 20:34:15.826 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 05 20:34:15.826 INFO kablam! 
Sep 05 20:34:15.830 INFO kablam! warning: variable does not need to be mutable
Sep 05 20:34:15.830 INFO kablam!    --> src/lib.rs:393:9
Sep 05 20:34:15.830 INFO kablam!     |
Sep 05 20:34:15.830 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 05 20:34:15.830 INFO kablam!     |         ----^^^^^^^^
Sep 05 20:34:15.830 INFO kablam!     |         |
Sep 05 20:34:15.830 INFO kablam!     |         help: remove this `mut`
Sep 05 20:34:15.830 INFO kablam! 
Sep 05 20:34:15.898 INFO kablam! warning: variable does not need to be mutable
Sep 05 20:34:15.898 INFO kablam!    --> src/lib.rs:326:13
Sep 05 20:34:15.898 INFO kablam!     |
Sep 05 20:34:15.898 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 05 20:34:15.898 INFO kablam!     |             ----^^^^
Sep 05 20:34:15.898 INFO kablam!     |             |
Sep 05 20:34:15.898 INFO kablam!     |             help: remove this `mut`
Sep 05 20:34:15.898 INFO kablam!     |
Sep 05 20:34:15.898 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 05 20:34:15.898 INFO kablam! 
Sep 05 20:34:15.922 INFO kablam! warning: variable does not need to be mutable
Sep 05 20:34:15.922 INFO kablam!    --> src/lib.rs:393:9
Sep 05 20:34:15.922 INFO kablam!     |
Sep 05 20:34:15.922 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 05 20:34:15.922 INFO kablam!     |         ----^^^^^^^^
Sep 05 20:34:15.922 INFO kablam!     |         |
Sep 05 20:34:15.922 INFO kablam!     |         help: remove this `mut`
Sep 05 20:34:15.922 INFO kablam! 
Sep 05 20:34:16.199 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
Sep 05 20:34:16.205 INFO kablam! su: No module specific data is present
Sep 05 20:34:16.823 INFO running `"docker" "rm" "-f" "ccd76940eff3b04e08b90a4f863d11c70c53d1069daadc59437af5ce5d355d7c"`
Sep 05 20:34:16.887 INFO blam! ccd76940eff3b04e08b90a4f863d11c70c53d1069daadc59437af5ce5d355d7c