Sep 10 06:07:14.401 INFO checking xi-rpc-0.2.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 06:07:14.402 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 06:07:14.402 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 06:07:14.559 INFO blam! 718acf7dc6fee92145b99607d6dcacdaa8e01f8e6b0807d1dd96c94b963068f4
Sep 10 06:07:14.563 INFO running `"docker" "start" "-a" "718acf7dc6fee92145b99607d6dcacdaa8e01f8e6b0807d1dd96c94b963068f4"`
Sep 10 06:07:15.630 INFO kablam! usermod: no changes
Sep 10 06:07:15.682 INFO kablam!     Checking serde v0.9.15
Sep 10 06:07:22.296 INFO kablam!     Checking serde_json v0.9.10
Sep 10 06:07:23.938 INFO kablam!     Checking xi-rpc v0.2.0 (file:///source)
Sep 10 06:07:24.421 INFO kablam! warning: variable does not need to be mutable
Sep 10 06:07:24.421 INFO kablam!    --> src/lib.rs:326:13
Sep 10 06:07:24.421 INFO kablam!     |
Sep 10 06:07:24.421 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 10 06:07:24.421 INFO kablam!     |             ----^^^^
Sep 10 06:07:24.421 INFO kablam!     |             |
Sep 10 06:07:24.421 INFO kablam!     |             help: remove this `mut`
Sep 10 06:07:24.421 INFO kablam!     |
Sep 10 06:07:24.421 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 06:07:24.421 INFO kablam! 
Sep 10 06:07:24.430 INFO kablam! warning: variable does not need to be mutable
Sep 10 06:07:24.430 INFO kablam!    --> src/lib.rs:393:9
Sep 10 06:07:24.430 INFO kablam!     |
Sep 10 06:07:24.430 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 10 06:07:24.430 INFO kablam!     |         ----^^^^^^^^
Sep 10 06:07:24.430 INFO kablam!     |         |
Sep 10 06:07:24.430 INFO kablam!     |         help: remove this `mut`
Sep 10 06:07:24.430 INFO kablam! 
Sep 10 06:07:24.455 INFO kablam! warning: variable does not need to be mutable
Sep 10 06:07:24.455 INFO kablam!    --> src/lib.rs:326:13
Sep 10 06:07:24.455 INFO kablam!     |
Sep 10 06:07:24.456 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 10 06:07:24.456 INFO kablam!     |             ----^^^^
Sep 10 06:07:24.456 INFO kablam!     |             |
Sep 10 06:07:24.456 INFO kablam!     |             help: remove this `mut`
Sep 10 06:07:24.456 INFO kablam!     |
Sep 10 06:07:24.456 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 06:07:24.456 INFO kablam! 
Sep 10 06:07:24.466 INFO kablam! warning: variable does not need to be mutable
Sep 10 06:07:24.466 INFO kablam!    --> src/lib.rs:393:9
Sep 10 06:07:24.466 INFO kablam!     |
Sep 10 06:07:24.466 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 10 06:07:24.466 INFO kablam!     |         ----^^^^^^^^
Sep 10 06:07:24.466 INFO kablam!     |         |
Sep 10 06:07:24.466 INFO kablam!     |         help: remove this `mut`
Sep 10 06:07:24.466 INFO kablam! 
Sep 10 06:07:24.796 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.15s
Sep 10 06:07:24.800 INFO kablam! su: No module specific data is present
Sep 10 06:07:25.340 INFO running `"docker" "rm" "-f" "718acf7dc6fee92145b99607d6dcacdaa8e01f8e6b0807d1dd96c94b963068f4"`
Sep 10 06:07:25.443 INFO blam! 718acf7dc6fee92145b99607d6dcacdaa8e01f8e6b0807d1dd96c94b963068f4