Nov 07 09:28:57.343 INFO checking rust_lsp-0.6.1 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 09:28:57.343 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-3/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 09:28:57.526 INFO blam! 420b6d29943671c6e2af7e55b500cda82b881b96598c1801448ca806a3a794dc
Nov 07 09:28:57.528 INFO running `"docker" "start" "-a" "420b6d29943671c6e2af7e55b500cda82b881b96598c1801448ca806a3a794dc"`
Nov 07 09:28:58.065 INFO kablam! usermod: no changes
Nov 07 09:28:58.180 INFO kablam!     Checking rustdt_util v0.2.3
Nov 07 09:28:58.180 INFO kablam!     Checking url v1.7.2
Nov 07 09:28:58.816 INFO kablam!     Checking rustdt-json_rpc v0.3.0
Nov 07 09:29:00.436 INFO kablam!     Checking languageserver-types v0.6.1
Nov 07 09:29:04.336 INFO kablam!     Checking rust_lsp v0.6.1 (/source)
Nov 07 09:29:06.943 INFO kablam! warning: variable does not need to be mutable
Nov 07 09:29:06.943 INFO kablam!   --> src/lsp.rs:75:9
Nov 07 09:29:06.943 INFO kablam!    |
Nov 07 09:29:06.943 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Nov 07 09:29:06.943 INFO kablam!    |         ----^^^^^^^^^^
Nov 07 09:29:06.943 INFO kablam!    |         |
Nov 07 09:29:06.943 INFO kablam!    |         help: remove this `mut`
Nov 07 09:29:06.943 INFO kablam!    |
Nov 07 09:29:06.945 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 09:29:06.945 INFO kablam! 
Nov 07 09:29:06.958 INFO kablam! warning: variable does not need to be mutable
Nov 07 09:29:06.958 INFO kablam!   --> src/lsp.rs:95:9
Nov 07 09:29:06.958 INFO kablam!    |
Nov 07 09:29:06.958 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Nov 07 09:29:06.958 INFO kablam!    |         ----^^^^^^^^^^
Nov 07 09:29:06.958 INFO kablam!    |         |
Nov 07 09:29:06.958 INFO kablam!    |         help: remove this `mut`
Nov 07 09:29:06.958 INFO kablam! 
Nov 07 09:29:07.119 INFO kablam! warning: variable does not need to be mutable
Nov 07 09:29:07.119 INFO kablam!   --> src/lsp.rs:75:9
Nov 07 09:29:07.119 INFO kablam!    |
Nov 07 09:29:07.119 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Nov 07 09:29:07.119 INFO kablam!    |         ----^^^^^^^^^^
Nov 07 09:29:07.119 INFO kablam!    |         |
Nov 07 09:29:07.119 INFO kablam!    |         help: remove this `mut`
Nov 07 09:29:07.119 INFO kablam!    |
Nov 07 09:29:07.119 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 09:29:07.119 INFO kablam! 
Nov 07 09:29:07.133 INFO kablam! warning: variable does not need to be mutable
Nov 07 09:29:07.134 INFO kablam!   --> src/lsp.rs:95:9
Nov 07 09:29:07.134 INFO kablam!    |
Nov 07 09:29:07.134 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Nov 07 09:29:07.134 INFO kablam!    |         ----^^^^^^^^^^
Nov 07 09:29:07.134 INFO kablam!    |         |
Nov 07 09:29:07.134 INFO kablam!    |         help: remove this `mut`
Nov 07 09:29:07.134 INFO kablam! 
Nov 07 09:29:07.893 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.81s
Nov 07 09:29:07.917 INFO kablam! su: No module specific data is present
Nov 07 09:29:08.829 INFO running `"docker" "rm" "-f" "420b6d29943671c6e2af7e55b500cda82b881b96598c1801448ca806a3a794dc"`
Nov 07 09:29:09.084 INFO blam! 420b6d29943671c6e2af7e55b500cda82b881b96598c1801448ca806a3a794dc