Sep 19 15:30:40.125 INFO checking xi-rpc-0.2.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 15:30:40.125 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 15:30:40.125 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-3/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 15:30:40.296 INFO blam! ae3032561bb7aa93c86abd7e96a0bb3f043d24e5f01d77dd51d994029c6fae6c
Sep 19 15:30:40.297 INFO running `"docker" "start" "-a" "ae3032561bb7aa93c86abd7e96a0bb3f043d24e5f01d77dd51d994029c6fae6c"`
Sep 19 15:30:41.279 INFO kablam! usermod: no changes
Sep 19 15:30:41.335 INFO kablam!     Checking serde_json v0.9.10
Sep 19 15:30:43.028 INFO kablam!     Checking xi-rpc v0.2.0 (/source)
Sep 19 15:30:43.647 INFO kablam! warning: variable does not need to be mutable
Sep 19 15:30:43.647 INFO kablam!    --> src/lib.rs:326:13
Sep 19 15:30:43.647 INFO kablam!     |
Sep 19 15:30:43.647 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 19 15:30:43.647 INFO kablam!     |             ----^^^^
Sep 19 15:30:43.647 INFO kablam!     |             |
Sep 19 15:30:43.647 INFO kablam!     |             help: remove this `mut`
Sep 19 15:30:43.647 INFO kablam!     |
Sep 19 15:30:43.647 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 15:30:43.647 INFO kablam! 
Sep 19 15:30:43.655 INFO kablam! warning: variable does not need to be mutable
Sep 19 15:30:43.655 INFO kablam!    --> src/lib.rs:393:9
Sep 19 15:30:43.655 INFO kablam!     |
Sep 19 15:30:43.655 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 19 15:30:43.655 INFO kablam!     |         ----^^^^^^^^
Sep 19 15:30:43.655 INFO kablam!     |         |
Sep 19 15:30:43.655 INFO kablam!     |         help: remove this `mut`
Sep 19 15:30:43.655 INFO kablam! 
Sep 19 15:30:43.721 INFO kablam! warning: variable does not need to be mutable
Sep 19 15:30:43.721 INFO kablam!    --> src/lib.rs:326:13
Sep 19 15:30:43.721 INFO kablam!     |
Sep 19 15:30:43.721 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 19 15:30:43.721 INFO kablam!     |             ----^^^^
Sep 19 15:30:43.721 INFO kablam!     |             |
Sep 19 15:30:43.721 INFO kablam!     |             help: remove this `mut`
Sep 19 15:30:43.721 INFO kablam!     |
Sep 19 15:30:43.721 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 15:30:43.721 INFO kablam! 
Sep 19 15:30:43.721 INFO kablam! warning: variable does not need to be mutable
Sep 19 15:30:43.722 INFO kablam!    --> src/lib.rs:393:9
Sep 19 15:30:43.722 INFO kablam!     |
Sep 19 15:30:43.722 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 19 15:30:43.722 INFO kablam!     |         ----^^^^^^^^
Sep 19 15:30:43.722 INFO kablam!     |         |
Sep 19 15:30:43.722 INFO kablam!     |         help: remove this `mut`
Sep 19 15:30:43.722 INFO kablam! 
Sep 19 15:30:44.152 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
Sep 19 15:30:44.157 INFO kablam! su: No module specific data is present
Sep 19 15:30:45.002 INFO running `"docker" "rm" "-f" "ae3032561bb7aa93c86abd7e96a0bb3f043d24e5f01d77dd51d994029c6fae6c"`
Sep 19 15:30:45.103 INFO blam! ae3032561bb7aa93c86abd7e96a0bb3f043d24e5f01d77dd51d994029c6fae6c