Oct 27 16:28:48.626 INFO checking rust_lsp-0.6.1 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 16:28:48.626 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 16:28:48.809 INFO blam! 98aba2824b5b4c5454a4661f80d916a22c799cb88c7ca90ee06da8c8d6e9d676
Oct 27 16:28:48.809 INFO running `"docker" "start" "-a" "98aba2824b5b4c5454a4661f80d916a22c799cb88c7ca90ee06da8c8d6e9d676"`
Oct 27 16:28:49.589 INFO kablam! usermod: no changes
Oct 27 16:28:49.659 INFO kablam!     Checking rustdt_util v0.2.3
Oct 27 16:28:49.659 INFO kablam!     Checking url v1.7.1
Oct 27 16:28:50.309 INFO kablam!     Checking rustdt-json_rpc v0.3.0
Oct 27 16:28:51.751 INFO kablam!     Checking languageserver-types v0.6.1
Oct 27 16:28:55.939 INFO kablam!     Checking rust_lsp v0.6.1 (/source)
Oct 27 16:28:58.219 INFO kablam! warning: variable does not need to be mutable
Oct 27 16:28:58.219 INFO kablam!   --> src/lsp.rs:75:9
Oct 27 16:28:58.219 INFO kablam!    |
Oct 27 16:28:58.219 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Oct 27 16:28:58.219 INFO kablam!    |         ----^^^^^^^^^^
Oct 27 16:28:58.219 INFO kablam!    |         |
Oct 27 16:28:58.219 INFO kablam!    |         help: remove this `mut`
Oct 27 16:28:58.219 INFO kablam!    |
Oct 27 16:28:58.219 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 16:28:58.219 INFO kablam! 
Oct 27 16:28:58.221 INFO kablam! warning: variable does not need to be mutable
Oct 27 16:28:58.221 INFO kablam!   --> src/lsp.rs:95:9
Oct 27 16:28:58.221 INFO kablam!    |
Oct 27 16:28:58.221 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Oct 27 16:28:58.221 INFO kablam!    |         ----^^^^^^^^^^
Oct 27 16:28:58.221 INFO kablam!    |         |
Oct 27 16:28:58.221 INFO kablam!    |         help: remove this `mut`
Oct 27 16:28:58.221 INFO kablam! 
Oct 27 16:28:58.315 INFO kablam! warning: variable does not need to be mutable
Oct 27 16:28:58.315 INFO kablam!   --> src/lsp.rs:75:9
Oct 27 16:28:58.315 INFO kablam!    |
Oct 27 16:28:58.315 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Oct 27 16:28:58.315 INFO kablam!    |         ----^^^^^^^^^^
Oct 27 16:28:58.315 INFO kablam!    |         |
Oct 27 16:28:58.315 INFO kablam!    |         help: remove this `mut`
Oct 27 16:28:58.319 INFO kablam!    |
Oct 27 16:28:58.319 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 16:28:58.319 INFO kablam! 
Oct 27 16:28:58.322 INFO kablam! warning: variable does not need to be mutable
Oct 27 16:28:58.322 INFO kablam!   --> src/lsp.rs:95:9
Oct 27 16:28:58.322 INFO kablam!    |
Oct 27 16:28:58.322 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Oct 27 16:28:58.322 INFO kablam!    |         ----^^^^^^^^^^
Oct 27 16:28:58.323 INFO kablam!    |         |
Oct 27 16:28:58.323 INFO kablam!    |         help: remove this `mut`
Oct 27 16:28:58.323 INFO kablam! 
Oct 27 16:28:59.034 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.43s
Oct 27 16:28:59.040 INFO kablam! su: No module specific data is present
Oct 27 16:29:00.081 INFO running `"docker" "rm" "-f" "98aba2824b5b4c5454a4661f80d916a22c799cb88c7ca90ee06da8c8d6e9d676"`
Oct 27 16:29:00.417 INFO blam! 98aba2824b5b4c5454a4661f80d916a22c799cb88c7ca90ee06da8c8d6e9d676