Nov 01 13:41:04.669 INFO checking xi-rpc-0.2.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 13:41:04.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 13:41:05.027 INFO blam! 542c4e02f57f4c7b18fe23b5adcee5c7764f55c0878babfc7c1a663cdb1288da
Nov 01 13:41:05.029 INFO running `"docker" "start" "-a" "542c4e02f57f4c7b18fe23b5adcee5c7764f55c0878babfc7c1a663cdb1288da"`
Nov 01 13:41:06.240 INFO kablam! usermod: no changes
Nov 01 13:41:06.320 INFO kablam!     Checking xi-rpc v0.2.0 (/source)
Nov 01 13:41:07.455 INFO kablam! warning: variable does not need to be mutable
Nov 01 13:41:07.455 INFO kablam!    --> src/lib.rs:326:13
Nov 01 13:41:07.455 INFO kablam!     |
Nov 01 13:41:07.455 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Nov 01 13:41:07.455 INFO kablam!     |             ----^^^^
Nov 01 13:41:07.455 INFO kablam!     |             |
Nov 01 13:41:07.455 INFO kablam!     |             help: remove this `mut`
Nov 01 13:41:07.455 INFO kablam!     |
Nov 01 13:41:07.455 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 13:41:07.455 INFO kablam! 
Nov 01 13:41:07.460 INFO kablam! warning: variable does not need to be mutable
Nov 01 13:41:07.460 INFO kablam!    --> src/lib.rs:393:9
Nov 01 13:41:07.460 INFO kablam!     |
Nov 01 13:41:07.460 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Nov 01 13:41:07.460 INFO kablam!     |         ----^^^^^^^^
Nov 01 13:41:07.460 INFO kablam!     |         |
Nov 01 13:41:07.460 INFO kablam!     |         help: remove this `mut`
Nov 01 13:41:07.460 INFO kablam! 
Nov 01 13:41:07.608 INFO kablam! warning: variable does not need to be mutable
Nov 01 13:41:07.608 INFO kablam!    --> src/lib.rs:326:13
Nov 01 13:41:07.608 INFO kablam!     |
Nov 01 13:41:07.608 INFO kablam! 326 |         let mut dict = response.as_object_mut().unwrap();
Nov 01 13:41:07.608 INFO kablam!     |             ----^^^^
Nov 01 13:41:07.608 INFO kablam!     |             |
Nov 01 13:41:07.608 INFO kablam!     |             help: remove this `mut`
Nov 01 13:41:07.608 INFO kablam!     |
Nov 01 13:41:07.608 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 13:41:07.608 INFO kablam! 
Nov 01 13:41:07.616 INFO kablam! warning: variable does not need to be mutable
Nov 01 13:41:07.616 INFO kablam!    --> src/lib.rs:393:9
Nov 01 13:41:07.616 INFO kablam!     |
Nov 01 13:41:07.616 INFO kablam! 393 |     let mut dict_ref = dict.as_object_mut().expect("dict_add_value passed non-object.");
Nov 01 13:41:07.616 INFO kablam!     |         ----^^^^^^^^
Nov 01 13:41:07.616 INFO kablam!     |         |
Nov 01 13:41:07.616 INFO kablam!     |         help: remove this `mut`
Nov 01 13:41:07.616 INFO kablam! 
Nov 01 13:41:08.452 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
Nov 01 13:41:08.457 INFO kablam! su: No module specific data is present
Nov 01 13:41:09.096 INFO running `"docker" "rm" "-f" "542c4e02f57f4c7b18fe23b5adcee5c7764f55c0878babfc7c1a663cdb1288da"`
Nov 01 13:41:09.403 INFO blam! 542c4e02f57f4c7b18fe23b5adcee5c7764f55c0878babfc7c1a663cdb1288da