Oct 27 16:28:48.689 INFO checking rust_lsp-0.6.1 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 16:28:48.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-4/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 27 16:28:48.955 INFO blam! 71cc50fb124eed58cdd519f7866e5964d2bc43f64fe2b2b5c6756b664a1ea7e5
Oct 27 16:28:48.959 INFO running `"docker" "start" "-a" "71cc50fb124eed58cdd519f7866e5964d2bc43f64fe2b2b5c6756b664a1ea7e5"`
Oct 27 16:28:49.683 INFO kablam! usermod: no changes
Oct 27 16:28:49.787 INFO kablam!     Checking rustdt_util v0.2.3
Oct 27 16:28:49.787 INFO kablam!     Checking url v1.7.1
Oct 27 16:28:50.659 INFO kablam!     Checking rustdt-json_rpc v0.3.0
Oct 27 16:28:52.353 INFO kablam!     Checking languageserver-types v0.6.1
Oct 27 16:28:56.559 INFO kablam!     Checking rust_lsp v0.6.1 (/source)
Oct 27 16:28:58.683 INFO kablam! warning: variable does not need to be mutable
Oct 27 16:28:58.683 INFO kablam!   --> src/lsp.rs:75:9
Oct 27 16:28:58.683 INFO kablam!    |
Oct 27 16:28:58.683 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Oct 27 16:28:58.683 INFO kablam!    |         ----^^^^^^^^^^
Oct 27 16:28:58.683 INFO kablam!    |         |
Oct 27 16:28:58.683 INFO kablam!    |         help: remove this `mut`
Oct 27 16:28:58.683 INFO kablam!    |
Oct 27 16:28:58.683 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 16:28:58.683 INFO kablam! 
Oct 27 16:28:58.685 INFO kablam! warning: variable does not need to be mutable
Oct 27 16:28:58.685 INFO kablam!   --> src/lsp.rs:95:9
Oct 27 16:28:58.685 INFO kablam!    |
Oct 27 16:28:58.685 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Oct 27 16:28:58.685 INFO kablam!    |         ----^^^^^^^^^^
Oct 27 16:28:58.685 INFO kablam!    |         |
Oct 27 16:28:58.685 INFO kablam!    |         help: remove this `mut`
Oct 27 16:28:58.685 INFO kablam! 
Oct 27 16:28:58.931 INFO kablam! warning: variable does not need to be mutable
Oct 27 16:28:58.932 INFO kablam!   --> src/lsp.rs:75:9
Oct 27 16:28:58.932 INFO kablam!    |
Oct 27 16:28:58.933 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Oct 27 16:28:58.934 INFO kablam!    |         ----^^^^^^^^^^
Oct 27 16:28:58.934 INFO kablam!    |         |
Oct 27 16:28:58.935 INFO kablam!    |         help: remove this `mut`
Oct 27 16:28:58.935 INFO kablam!    |
Oct 27 16:28:58.936 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 16:28:58.936 INFO kablam! 
Oct 27 16:28:58.943 INFO kablam! warning: variable does not need to be mutable
Oct 27 16:28:58.943 INFO kablam!   --> src/lsp.rs:95:9
Oct 27 16:28:58.944 INFO kablam!    |
Oct 27 16:28:58.944 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Oct 27 16:28:58.945 INFO kablam!    |         ----^^^^^^^^^^
Oct 27 16:28:58.946 INFO kablam!    |         |
Oct 27 16:28:58.946 INFO kablam!    |         help: remove this `mut`
Oct 27 16:28:58.947 INFO kablam! 
Oct 27 16:28:59.587 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.87s
Oct 27 16:28:59.595 INFO kablam! su: No module specific data is present
Oct 27 16:29:00.291 INFO running `"docker" "rm" "-f" "71cc50fb124eed58cdd519f7866e5964d2bc43f64fe2b2b5c6756b664a1ea7e5"`
Oct 27 16:29:00.559 INFO blam! 71cc50fb124eed58cdd519f7866e5964d2bc43f64fe2b2b5c6756b664a1ea7e5