Sep 19 17:35:16.125 INFO checking xi-rpc-0.2.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 17:35:16.125 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 17:35:16.126 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-3/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:35:16.364 INFO blam! dcd0df8a10931348b716586a712a99ad168843fe0fbad7b6a46f12508f51043e
Sep 19 17:35:16.368 INFO running `"docker" "start" "-a" "dcd0df8a10931348b716586a712a99ad168843fe0fbad7b6a46f12508f51043e"`
Sep 19 17:35:17.101 INFO kablam! usermod: no changes
Sep 19 17:35:17.186 INFO kablam!     Checking crossbeam v0.2.12
Sep 19 17:35:17.218 INFO kablam!     Checking serde_json v0.9.10
Sep 19 17:35:19.229 INFO kablam!     Checking xi-rpc v0.2.0 (/source)
Sep 19 17:35:19.600 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:35:19.600 INFO kablam!    --> src/lib.rs:326:13
Sep 19 17:35:19.600 INFO kablam!     |
Sep 19 17:35:19.600 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 19 17:35:19.600 INFO kablam!     |             ----^^^^
Sep 19 17:35:19.600 INFO kablam!     |             |
Sep 19 17:35:19.600 INFO kablam!     |             help: remove this `mut`
Sep 19 17:35:19.601 INFO kablam!     |
Sep 19 17:35:19.601 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 17:35:19.601 INFO kablam! 
Sep 19 17:35:19.606 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:35:19.606 INFO kablam!    --> src/lib.rs:393:9
Sep 19 17:35:19.607 INFO kablam!     |
Sep 19 17:35:19.607 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 19 17:35:19.607 INFO kablam!     |         ----^^^^^^^^
Sep 19 17:35:19.607 INFO kablam!     |         |
Sep 19 17:35:19.608 INFO kablam!     |         help: remove this `mut`
Sep 19 17:35:19.608 INFO kablam! 
Sep 19 17:35:19.695 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:35:19.696 INFO kablam!    --> src/lib.rs:326:13
Sep 19 17:35:19.696 INFO kablam!     |
Sep 19 17:35:19.696 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 19 17:35:19.696 INFO kablam!     |             ----^^^^
Sep 19 17:35:19.696 INFO kablam!     |             |
Sep 19 17:35:19.696 INFO kablam!     |             help: remove this `mut`
Sep 19 17:35:19.696 INFO kablam!     |
Sep 19 17:35:19.697 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 17:35:19.697 INFO kablam! 
Sep 19 17:35:19.704 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:35:19.704 INFO kablam!    --> src/lib.rs:393:9
Sep 19 17:35:19.704 INFO kablam!     |
Sep 19 17:35:19.705 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 19 17:35:19.705 INFO kablam!     |         ----^^^^^^^^
Sep 19 17:35:19.705 INFO kablam!     |         |
Sep 19 17:35:19.705 INFO kablam!     |         help: remove this `mut`
Sep 19 17:35:19.706 INFO kablam! 
Sep 19 17:35:19.963 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
Sep 19 17:35:19.964 INFO kablam! su: No module specific data is present
Sep 19 17:35:20.446 INFO running `"docker" "rm" "-f" "dcd0df8a10931348b716586a712a99ad168843fe0fbad7b6a46f12508f51043e"`
Sep 19 17:35:20.540 INFO blam! dcd0df8a10931348b716586a712a99ad168843fe0fbad7b6a46f12508f51043e