Nov 02 23:18:05.776 INFO checking xi-rpc-0.2.0 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 23:18:05.776 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-3/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 02 23:18:06.200 INFO blam! c51b29f24683744aa83f687ce15095085ad7d2e43efdaf555467976d339db24e
Nov 02 23:18:06.200 INFO running `"docker" "start" "-a" "c51b29f24683744aa83f687ce15095085ad7d2e43efdaf555467976d339db24e"`
Nov 02 23:18:07.599 INFO kablam! usermod: no changes
Nov 02 23:18:07.712 INFO kablam!     Checking serde_json v0.9.10
Nov 02 23:18:10.296 INFO kablam!     Checking xi-rpc v0.2.0 (/source)
Nov 02 23:18:11.340 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:18:11.340 INFO kablam!    --> src/lib.rs:326:13
Nov 02 23:18:11.340 INFO kablam!     |
Nov 02 23:18:11.340 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Nov 02 23:18:11.340 INFO kablam!     |             ----^^^^
Nov 02 23:18:11.340 INFO kablam!     |             |
Nov 02 23:18:11.340 INFO kablam!     |             help: remove this `mut`
Nov 02 23:18:11.340 INFO kablam!     |
Nov 02 23:18:11.340 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 23:18:11.340 INFO kablam! 
Nov 02 23:18:11.344 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:18:11.344 INFO kablam!    --> src/lib.rs:393:9
Nov 02 23:18:11.344 INFO kablam!     |
Nov 02 23:18:11.344 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Nov 02 23:18:11.344 INFO kablam!     |         ----^^^^^^^^
Nov 02 23:18:11.344 INFO kablam!     |         |
Nov 02 23:18:11.344 INFO kablam!     |         help: remove this `mut`
Nov 02 23:18:11.344 INFO kablam! 
Nov 02 23:18:11.844 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:18:11.844 INFO kablam!    --> src/lib.rs:326:13
Nov 02 23:18:11.844 INFO kablam!     |
Nov 02 23:18:11.844 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Nov 02 23:18:11.844 INFO kablam!     |             ----^^^^
Nov 02 23:18:11.844 INFO kablam!     |             |
Nov 02 23:18:11.844 INFO kablam!     |             help: remove this `mut`
Nov 02 23:18:11.844 INFO kablam!     |
Nov 02 23:18:11.844 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 23:18:11.844 INFO kablam! 
Nov 02 23:18:11.851 INFO kablam! warning: variable does not need to be mutable
Nov 02 23:18:11.851 INFO kablam!    --> src/lib.rs:393:9
Nov 02 23:18:11.851 INFO kablam!     |
Nov 02 23:18:11.851 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Nov 02 23:18:11.851 INFO kablam!     |         ----^^^^^^^^
Nov 02 23:18:11.851 INFO kablam!     |         |
Nov 02 23:18:11.851 INFO kablam!     |         help: remove this `mut`
Nov 02 23:18:11.851 INFO kablam! 
Nov 02 23:18:12.903 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
Nov 02 23:18:12.908 INFO kablam! su: No module specific data is present
Nov 02 23:18:13.554 INFO running `"docker" "rm" "-f" "c51b29f24683744aa83f687ce15095085ad7d2e43efdaf555467976d339db24e"`
Nov 02 23:18:13.824 INFO blam! c51b29f24683744aa83f687ce15095085ad7d2e43efdaf555467976d339db24e