Sep 01 18:38:17.450 INFO checking xi-rpc-0.2.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 18:38:17.450 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 18:38:17.450 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/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 18:38:17.641 INFO blam! 9022f65363f7d459fedaf137b6fae991b2e1534434c861a5dfaf3bf19301fbfb
Sep 01 18:38:17.643 INFO running `"docker" "start" "-a" "9022f65363f7d459fedaf137b6fae991b2e1534434c861a5dfaf3bf19301fbfb"`
Sep 01 18:38:18.202 INFO kablam!     Checking xi-rpc v0.2.0 (file:///source)
Sep 01 18:38:18.812 INFO kablam! warning: variable does not need to be mutable
Sep 01 18:38:18.812 INFO kablam!    --> src/lib.rs:326:13
Sep 01 18:38:18.812 INFO kablam!     |
Sep 01 18:38:18.812 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 01 18:38:18.812 INFO kablam!     |             ----^^^^
Sep 01 18:38:18.813 INFO kablam!     |             |
Sep 01 18:38:18.813 INFO kablam!     |             help: remove this `mut`
Sep 01 18:38:18.813 INFO kablam!     |
Sep 01 18:38:18.813 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 18:38:18.813 INFO kablam! 
Sep 01 18:38:18.822 INFO kablam! warning: variable does not need to be mutable
Sep 01 18:38:18.822 INFO kablam!    --> src/lib.rs:393:9
Sep 01 18:38:18.822 INFO kablam!     |
Sep 01 18:38:18.822 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 01 18:38:18.822 INFO kablam!     |         ----^^^^^^^^
Sep 01 18:38:18.822 INFO kablam!     |         |
Sep 01 18:38:18.822 INFO kablam!     |         help: remove this `mut`
Sep 01 18:38:18.822 INFO kablam! 
Sep 01 18:38:18.889 INFO kablam! warning: variable does not need to be mutable
Sep 01 18:38:18.889 INFO kablam!    --> src/lib.rs:326:13
Sep 01 18:38:18.889 INFO kablam!     |
Sep 01 18:38:18.889 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 01 18:38:18.889 INFO kablam!     |             ----^^^^
Sep 01 18:38:18.889 INFO kablam!     |             |
Sep 01 18:38:18.889 INFO kablam!     |             help: remove this `mut`
Sep 01 18:38:18.889 INFO kablam!     |
Sep 01 18:38:18.889 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 18:38:18.889 INFO kablam! 
Sep 01 18:38:18.901 INFO kablam! warning: variable does not need to be mutable
Sep 01 18:38:18.901 INFO kablam!    --> src/lib.rs:393:9
Sep 01 18:38:18.901 INFO kablam!     |
Sep 01 18:38:18.901 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 01 18:38:18.901 INFO kablam!     |         ----^^^^^^^^
Sep 01 18:38:18.901 INFO kablam!     |         |
Sep 01 18:38:18.901 INFO kablam!     |         help: remove this `mut`
Sep 01 18:38:18.902 INFO kablam! 
Sep 01 18:38:19.243 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Sep 01 18:38:19.247 INFO kablam! su: No module specific data is present
Sep 01 18:38:19.635 INFO running `"docker" "rm" "-f" "9022f65363f7d459fedaf137b6fae991b2e1534434c861a5dfaf3bf19301fbfb"`
Sep 01 18:38:19.745 INFO blam! 9022f65363f7d459fedaf137b6fae991b2e1534434c861a5dfaf3bf19301fbfb