Nov 04 15:14:20.409 INFO checking xi-rpc-0.2.0 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 15:14:20.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-2/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 04 15:14:20.669 INFO blam! 8f1f4bb77aed6f774d8c6bc1df4d50922eb7377c7a433f5d6fc90898a46cd345
Nov 04 15:14:20.670 INFO running `"docker" "start" "-a" "8f1f4bb77aed6f774d8c6bc1df4d50922eb7377c7a433f5d6fc90898a46cd345"`
Nov 04 15:14:21.173 INFO kablam! usermod: no changes
Nov 04 15:14:21.259 INFO kablam!     Checking serde_json v0.9.10
Nov 04 15:14:23.489 INFO kablam!     Checking xi-rpc v0.2.0 (/source)
Nov 04 15:14:24.263 INFO kablam! warning: variable does not need to be mutable
Nov 04 15:14:24.263 INFO kablam!    --> src/lib.rs:326:13
Nov 04 15:14:24.263 INFO kablam!     |
Nov 04 15:14:24.263 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Nov 04 15:14:24.263 INFO kablam!     |             ----^^^^
Nov 04 15:14:24.263 INFO kablam!     |             |
Nov 04 15:14:24.263 INFO kablam!     |             help: remove this `mut`
Nov 04 15:14:24.263 INFO kablam!     |
Nov 04 15:14:24.263 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 15:14:24.263 INFO kablam! 
Nov 04 15:14:24.263 INFO kablam! warning: variable does not need to be mutable
Nov 04 15:14:24.263 INFO kablam!    --> src/lib.rs:393:9
Nov 04 15:14:24.263 INFO kablam!     |
Nov 04 15:14:24.263 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Nov 04 15:14:24.263 INFO kablam!     |         ----^^^^^^^^
Nov 04 15:14:24.263 INFO kablam!     |         |
Nov 04 15:14:24.263 INFO kablam!     |         help: remove this `mut`
Nov 04 15:14:24.263 INFO kablam! 
Nov 04 15:14:24.559 INFO kablam! warning: variable does not need to be mutable
Nov 04 15:14:24.559 INFO kablam!    --> src/lib.rs:326:13
Nov 04 15:14:24.559 INFO kablam!     |
Nov 04 15:14:24.559 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Nov 04 15:14:24.559 INFO kablam!     |             ----^^^^
Nov 04 15:14:24.559 INFO kablam!     |             |
Nov 04 15:14:24.559 INFO kablam!     |             help: remove this `mut`
Nov 04 15:14:24.559 INFO kablam!     |
Nov 04 15:14:24.559 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 15:14:24.559 INFO kablam! 
Nov 04 15:14:24.561 INFO kablam! warning: variable does not need to be mutable
Nov 04 15:14:24.561 INFO kablam!    --> src/lib.rs:393:9
Nov 04 15:14:24.561 INFO kablam!     |
Nov 04 15:14:24.561 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Nov 04 15:14:24.561 INFO kablam!     |         ----^^^^^^^^
Nov 04 15:14:24.561 INFO kablam!     |         |
Nov 04 15:14:24.561 INFO kablam!     |         help: remove this `mut`
Nov 04 15:14:24.561 INFO kablam! 
Nov 04 15:14:25.183 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
Nov 04 15:14:25.187 INFO kablam! su: No module specific data is present
Nov 04 15:14:25.622 INFO running `"docker" "rm" "-f" "8f1f4bb77aed6f774d8c6bc1df4d50922eb7377c7a433f5d6fc90898a46cd345"`
Nov 04 15:14:25.768 INFO blam! 8f1f4bb77aed6f774d8c6bc1df4d50922eb7377c7a433f5d6fc90898a46cd345