Sep 04 04:50:23.893 INFO checking rust_lsp-0.6.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 04:50:23.894 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 04:50:23.894 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 04:50:24.054 INFO blam! b02bb72e60a8924468f1423488115a5e9c96097fa193dad6889f225b31e6c5ba
Sep 04 04:50:24.057 INFO running `"docker" "start" "-a" "b02bb72e60a8924468f1423488115a5e9c96097fa193dad6889f225b31e6c5ba"`
Sep 04 04:50:24.721 INFO kablam!     Checking rustdt_util v0.2.3
Sep 04 04:50:24.723 INFO kablam!     Checking languageserver-types v0.6.1
Sep 04 04:50:25.204 INFO kablam!     Checking rustdt-json_rpc v0.3.0
Sep 04 04:50:30.146 INFO kablam!     Checking rust_lsp v0.6.1 (file:///source)
Sep 04 04:50:31.671 INFO kablam! warning: variable does not need to be mutable
Sep 04 04:50:31.671 INFO kablam!   --> src/lsp.rs:75:9
Sep 04 04:50:31.671 INFO kablam!    |
Sep 04 04:50:31.671 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Sep 04 04:50:31.672 INFO kablam!    |         ----^^^^^^^^^^
Sep 04 04:50:31.672 INFO kablam!    |         |
Sep 04 04:50:31.672 INFO kablam!    |         help: remove this `mut`
Sep 04 04:50:31.672 INFO kablam!    |
Sep 04 04:50:31.672 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 04:50:31.672 INFO kablam! 
Sep 04 04:50:31.677 INFO kablam! warning: variable does not need to be mutable
Sep 04 04:50:31.677 INFO kablam!   --> src/lsp.rs:95:9
Sep 04 04:50:31.677 INFO kablam!    |
Sep 04 04:50:31.677 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Sep 04 04:50:31.677 INFO kablam!    |         ----^^^^^^^^^^
Sep 04 04:50:31.678 INFO kablam!    |         |
Sep 04 04:50:31.678 INFO kablam!    |         help: remove this `mut`
Sep 04 04:50:31.678 INFO kablam! 
Sep 04 04:50:31.771 INFO kablam! warning: variable does not need to be mutable
Sep 04 04:50:31.771 INFO kablam!   --> src/lsp.rs:75:9
Sep 04 04:50:31.771 INFO kablam!    |
Sep 04 04:50:31.771 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Sep 04 04:50:31.771 INFO kablam!    |         ----^^^^^^^^^^
Sep 04 04:50:31.771 INFO kablam!    |         |
Sep 04 04:50:31.772 INFO kablam!    |         help: remove this `mut`
Sep 04 04:50:31.772 INFO kablam!    |
Sep 04 04:50:31.772 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 04:50:31.772 INFO kablam! 
Sep 04 04:50:31.779 INFO kablam! warning: variable does not need to be mutable
Sep 04 04:50:31.779 INFO kablam!   --> src/lsp.rs:95:9
Sep 04 04:50:31.779 INFO kablam!    |
Sep 04 04:50:31.779 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Sep 04 04:50:31.779 INFO kablam!    |         ----^^^^^^^^^^
Sep 04 04:50:31.779 INFO kablam!    |         |
Sep 04 04:50:31.779 INFO kablam!    |         help: remove this `mut`
Sep 04 04:50:31.779 INFO kablam! 
Sep 04 04:50:32.154 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.52s
Sep 04 04:50:32.160 INFO kablam! su: No module specific data is present
Sep 04 04:50:32.692 INFO running `"docker" "rm" "-f" "b02bb72e60a8924468f1423488115a5e9c96097fa193dad6889f225b31e6c5ba"`
Sep 04 04:50:32.797 INFO blam! b02bb72e60a8924468f1423488115a5e9c96097fa193dad6889f225b31e6c5ba