Sep 19 17:35:17.643 INFO checking xi-rpc-0.2.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 17:35:17.643 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 17:35:17.643 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-5/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:35:17.823 INFO blam! f0f966917ef4796c0ba485ad92d2e79f65e5cdfc446e526e967eadb83b5251d4
Sep 19 17:35:17.825 INFO running `"docker" "start" "-a" "f0f966917ef4796c0ba485ad92d2e79f65e5cdfc446e526e967eadb83b5251d4"`
Sep 19 17:35:18.587 INFO kablam! usermod: no changes
Sep 19 17:35:18.652 INFO kablam!     Checking serde_json v0.9.10
Sep 19 17:35:20.342 INFO kablam!     Checking xi-rpc v0.2.0 (/source)
Sep 19 17:35:20.709 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:35:20.709 INFO kablam!    --> src/lib.rs:326:13
Sep 19 17:35:20.709 INFO kablam!     |
Sep 19 17:35:20.709 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 19 17:35:20.709 INFO kablam!     |             ----^^^^
Sep 19 17:35:20.709 INFO kablam!     |             |
Sep 19 17:35:20.709 INFO kablam!     |             help: remove this `mut`
Sep 19 17:35:20.709 INFO kablam!     |
Sep 19 17:35:20.709 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 17:35:20.709 INFO kablam! 
Sep 19 17:35:20.713 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:35:20.713 INFO kablam!    --> src/lib.rs:393:9
Sep 19 17:35:20.713 INFO kablam!     |
Sep 19 17:35:20.713 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 19 17:35:20.713 INFO kablam!     |         ----^^^^^^^^
Sep 19 17:35:20.713 INFO kablam!     |         |
Sep 19 17:35:20.713 INFO kablam!     |         help: remove this `mut`
Sep 19 17:35:20.713 INFO kablam! 
Sep 19 17:35:20.749 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:35:20.749 INFO kablam!    --> src/lib.rs:326:13
Sep 19 17:35:20.749 INFO kablam!     |
Sep 19 17:35:20.749 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 19 17:35:20.749 INFO kablam!     |             ----^^^^
Sep 19 17:35:20.749 INFO kablam!     |             |
Sep 19 17:35:20.749 INFO kablam!     |             help: remove this `mut`
Sep 19 17:35:20.749 INFO kablam!     |
Sep 19 17:35:20.749 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 17:35:20.749 INFO kablam! 
Sep 19 17:35:20.753 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:35:20.753 INFO kablam!    --> src/lib.rs:393:9
Sep 19 17:35:20.753 INFO kablam!     |
Sep 19 17:35:20.753 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 19 17:35:20.753 INFO kablam!     |         ----^^^^^^^^
Sep 19 17:35:20.753 INFO kablam!     |         |
Sep 19 17:35:20.753 INFO kablam!     |         help: remove this `mut`
Sep 19 17:35:20.753 INFO kablam! 
Sep 19 17:35:20.995 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
Sep 19 17:35:20.997 INFO kablam! su: No module specific data is present
Sep 19 17:35:21.520 INFO running `"docker" "rm" "-f" "f0f966917ef4796c0ba485ad92d2e79f65e5cdfc446e526e967eadb83b5251d4"`
Sep 19 17:35:21.594 INFO blam! f0f966917ef4796c0ba485ad92d2e79f65e5cdfc446e526e967eadb83b5251d4