Sep 10 06:07:14.706 INFO checking xi-rpc-0.2.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 06:07:14.706 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 06:07:14.706 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 06:07:14.845 INFO blam! 8658f1f898f1f8904dc3f943cc0392ae436049bd41abe28225a24b2ea753d1a3
Sep 10 06:07:14.845 INFO running `"docker" "start" "-a" "8658f1f898f1f8904dc3f943cc0392ae436049bd41abe28225a24b2ea753d1a3"`
Sep 10 06:07:15.639 INFO kablam! usermod: no changes
Sep 10 06:07:15.702 INFO kablam!     Checking serde_json v0.9.10
Sep 10 06:07:17.682 INFO kablam!     Checking xi-rpc v0.2.0 (file:///source)
Sep 10 06:07:18.146 INFO kablam! warning: variable does not need to be mutable
Sep 10 06:07:18.146 INFO kablam!    --> src/lib.rs:326:13
Sep 10 06:07:18.146 INFO kablam!     |
Sep 10 06:07:18.146 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 10 06:07:18.146 INFO kablam!     |             ----^^^^
Sep 10 06:07:18.146 INFO kablam!     |             |
Sep 10 06:07:18.146 INFO kablam!     |             help: remove this `mut`
Sep 10 06:07:18.146 INFO kablam!     |
Sep 10 06:07:18.146 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 06:07:18.146 INFO kablam! 
Sep 10 06:07:18.151 INFO kablam! warning: variable does not need to be mutable
Sep 10 06:07:18.151 INFO kablam!    --> src/lib.rs:393:9
Sep 10 06:07:18.151 INFO kablam!     |
Sep 10 06:07:18.151 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 10 06:07:18.151 INFO kablam!     |         ----^^^^^^^^
Sep 10 06:07:18.151 INFO kablam!     |         |
Sep 10 06:07:18.151 INFO kablam!     |         help: remove this `mut`
Sep 10 06:07:18.151 INFO kablam! 
Sep 10 06:07:18.294 INFO kablam! warning: variable does not need to be mutable
Sep 10 06:07:18.295 INFO kablam!    --> src/lib.rs:326:13
Sep 10 06:07:18.295 INFO kablam!     |
Sep 10 06:07:18.295 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 10 06:07:18.295 INFO kablam!     |             ----^^^^
Sep 10 06:07:18.295 INFO kablam!     |             |
Sep 10 06:07:18.295 INFO kablam!     |             help: remove this `mut`
Sep 10 06:07:18.295 INFO kablam!     |
Sep 10 06:07:18.295 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 06:07:18.295 INFO kablam! 
Sep 10 06:07:18.301 INFO kablam! warning: variable does not need to be mutable
Sep 10 06:07:18.301 INFO kablam!    --> src/lib.rs:393:9
Sep 10 06:07:18.301 INFO kablam!     |
Sep 10 06:07:18.301 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 10 06:07:18.301 INFO kablam!     |         ----^^^^^^^^
Sep 10 06:07:18.301 INFO kablam!     |         |
Sep 10 06:07:18.301 INFO kablam!     |         help: remove this `mut`
Sep 10 06:07:18.301 INFO kablam! 
Sep 10 06:07:18.524 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
Sep 10 06:07:18.526 INFO kablam! su: No module specific data is present
Sep 10 06:07:19.172 INFO running `"docker" "rm" "-f" "8658f1f898f1f8904dc3f943cc0392ae436049bd41abe28225a24b2ea753d1a3"`
Sep 10 06:07:19.236 INFO blam! 8658f1f898f1f8904dc3f943cc0392ae436049bd41abe28225a24b2ea753d1a3