Sep 01 01:35:10.894 INFO checking xi-rpc-0.2.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 01:35:10.894 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 01:35:10.894 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 01:35:11.034 INFO blam! f0678b88453a56331c51436858f04b0ed6272c8207e12a96f4cb69806c1b24de
Sep 01 01:35:11.036 INFO running `"docker" "start" "-a" "f0678b88453a56331c51436858f04b0ed6272c8207e12a96f4cb69806c1b24de"`
Sep 01 01:35:11.715 INFO kablam!     Checking serde_json v0.9.10
Sep 01 01:35:14.120 INFO kablam!     Checking xi-rpc v0.2.0 (file:///source)
Sep 01 01:35:14.742 INFO kablam! warning: variable does not need to be mutable
Sep 01 01:35:14.743 INFO kablam!    --> src/lib.rs:326:13
Sep 01 01:35:14.743 INFO kablam!     |
Sep 01 01:35:14.743 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 01 01:35:14.743 INFO kablam!     |             ----^^^^
Sep 01 01:35:14.743 INFO kablam!     |             |
Sep 01 01:35:14.743 INFO kablam!     |             help: remove this `mut`
Sep 01 01:35:14.743 INFO kablam!     |
Sep 01 01:35:14.743 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 01:35:14.743 INFO kablam! 
Sep 01 01:35:14.754 INFO kablam! warning: variable does not need to be mutable
Sep 01 01:35:14.754 INFO kablam!    --> src/lib.rs:393:9
Sep 01 01:35:14.754 INFO kablam!     |
Sep 01 01:35:14.754 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 01 01:35:14.754 INFO kablam!     |         ----^^^^^^^^
Sep 01 01:35:14.754 INFO kablam!     |         |
Sep 01 01:35:14.754 INFO kablam!     |         help: remove this `mut`
Sep 01 01:35:14.754 INFO kablam! 
Sep 01 01:35:15.008 INFO kablam! warning: variable does not need to be mutable
Sep 01 01:35:15.008 INFO kablam!    --> src/lib.rs:326:13
Sep 01 01:35:15.008 INFO kablam!     |
Sep 01 01:35:15.008 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 01 01:35:15.008 INFO kablam!     |             ----^^^^
Sep 01 01:35:15.008 INFO kablam!     |             |
Sep 01 01:35:15.008 INFO kablam!     |             help: remove this `mut`
Sep 01 01:35:15.008 INFO kablam!     |
Sep 01 01:35:15.008 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 01:35:15.008 INFO kablam! 
Sep 01 01:35:15.022 INFO kablam! warning: variable does not need to be mutable
Sep 01 01:35:15.022 INFO kablam!    --> src/lib.rs:393:9
Sep 01 01:35:15.022 INFO kablam!     |
Sep 01 01:35:15.022 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 01 01:35:15.022 INFO kablam!     |         ----^^^^^^^^
Sep 01 01:35:15.022 INFO kablam!     |         |
Sep 01 01:35:15.022 INFO kablam!     |         help: remove this `mut`
Sep 01 01:35:15.022 INFO kablam! 
Sep 01 01:35:15.285 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
Sep 01 01:35:15.288 INFO kablam! su: No module specific data is present
Sep 01 01:35:15.723 INFO running `"docker" "rm" "-f" "f0678b88453a56331c51436858f04b0ed6272c8207e12a96f4cb69806c1b24de"`
Sep 01 01:35:15.856 INFO blam! f0678b88453a56331c51436858f04b0ed6272c8207e12a96f4cb69806c1b24de