Sep 21 00:25:13.796 INFO checking xi-rpc-0.2.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 00:25:13.796 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 00:25:13.796 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 00:25:13.996 INFO blam! 65554dd0371a56415de39df76801944d39a4329ab3ab51879e261750209a5709
Sep 21 00:25:13.998 INFO running `"docker" "start" "-a" "65554dd0371a56415de39df76801944d39a4329ab3ab51879e261750209a5709"`
Sep 21 00:25:15.039 INFO kablam! usermod: no changes
Sep 21 00:25:15.138 INFO kablam!     Checking serde_json v0.9.10
Sep 21 00:25:16.729 INFO kablam!     Checking xi-rpc v0.2.0 (/source)
Sep 21 00:25:17.351 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:25:17.351 INFO kablam!    --> src/lib.rs:326:13
Sep 21 00:25:17.351 INFO kablam!     |
Sep 21 00:25:17.351 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 21 00:25:17.351 INFO kablam!     |             ----^^^^
Sep 21 00:25:17.351 INFO kablam!     |             |
Sep 21 00:25:17.351 INFO kablam!     |             help: remove this `mut`
Sep 21 00:25:17.351 INFO kablam!     |
Sep 21 00:25:17.351 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 00:25:17.351 INFO kablam! 
Sep 21 00:25:17.356 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:25:17.356 INFO kablam!    --> src/lib.rs:393:9
Sep 21 00:25:17.356 INFO kablam!     |
Sep 21 00:25:17.356 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 21 00:25:17.356 INFO kablam!     |         ----^^^^^^^^
Sep 21 00:25:17.356 INFO kablam!     |         |
Sep 21 00:25:17.356 INFO kablam!     |         help: remove this `mut`
Sep 21 00:25:17.356 INFO kablam! 
Sep 21 00:25:17.598 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:25:17.598 INFO kablam!    --> src/lib.rs:326:13
Sep 21 00:25:17.598 INFO kablam!     |
Sep 21 00:25:17.598 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Sep 21 00:25:17.598 INFO kablam!     |             ----^^^^
Sep 21 00:25:17.598 INFO kablam!     |             |
Sep 21 00:25:17.598 INFO kablam!     |             help: remove this `mut`
Sep 21 00:25:17.598 INFO kablam!     |
Sep 21 00:25:17.598 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 00:25:17.598 INFO kablam! 
Sep 21 00:25:17.600 INFO kablam! warning: variable does not need to be mutable
Sep 21 00:25:17.600 INFO kablam!    --> src/lib.rs:393:9
Sep 21 00:25:17.600 INFO kablam!     |
Sep 21 00:25:17.600 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Sep 21 00:25:17.600 INFO kablam!     |         ----^^^^^^^^
Sep 21 00:25:17.600 INFO kablam!     |         |
Sep 21 00:25:17.600 INFO kablam!     |         help: remove this `mut`
Sep 21 00:25:17.600 INFO kablam! 
Sep 21 00:25:18.029 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
Sep 21 00:25:18.034 INFO kablam! su: No module specific data is present
Sep 21 00:25:18.824 INFO running `"docker" "rm" "-f" "65554dd0371a56415de39df76801944d39a4329ab3ab51879e261750209a5709"`
Sep 21 00:25:18.918 INFO blam! 65554dd0371a56415de39df76801944d39a4329ab3ab51879e261750209a5709