Aug 30 05:04:42.598 INFO checking rust_lsp-0.6.1 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 05:04:42.598 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 05:04:42.598 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 05:04:42.734 INFO blam! 1242ff2f71f83f854f2c5d2896c2235b220f8a61728e6e710d355b7cf0a616d2
Aug 30 05:04:42.735 INFO running `"docker" "start" "-a" "1242ff2f71f83f854f2c5d2896c2235b220f8a61728e6e710d355b7cf0a616d2"`
Aug 30 05:04:43.299 INFO kablam!     Checking rustdt_util v0.2.3
Aug 30 05:04:43.300 INFO kablam!     Checking languageserver-types v0.6.1
Aug 30 05:04:43.737 INFO kablam!     Checking rustdt-json_rpc v0.3.0
Aug 30 05:04:47.470 INFO kablam!     Checking rust_lsp v0.6.1 (file:///source)
Aug 30 05:04:48.688 INFO kablam! warning: variable does not need to be mutable
Aug 30 05:04:48.688 INFO kablam!   --> src/lsp.rs:75:9
Aug 30 05:04:48.688 INFO kablam!    |
Aug 30 05:04:48.688 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Aug 30 05:04:48.688 INFO kablam!    |         ----^^^^^^^^^^
Aug 30 05:04:48.688 INFO kablam!    |         |
Aug 30 05:04:48.688 INFO kablam!    |         help: remove this `mut`
Aug 30 05:04:48.688 INFO kablam!    |
Aug 30 05:04:48.689 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 05:04:48.689 INFO kablam! 
Aug 30 05:04:48.693 INFO kablam! warning: variable does not need to be mutable
Aug 30 05:04:48.693 INFO kablam!   --> src/lsp.rs:95:9
Aug 30 05:04:48.693 INFO kablam!    |
Aug 30 05:04:48.693 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Aug 30 05:04:48.693 INFO kablam!    |         ----^^^^^^^^^^
Aug 30 05:04:48.694 INFO kablam!    |         |
Aug 30 05:04:48.694 INFO kablam!    |         help: remove this `mut`
Aug 30 05:04:48.694 INFO kablam! 
Aug 30 05:04:48.884 INFO kablam! warning: variable does not need to be mutable
Aug 30 05:04:48.884 INFO kablam!   --> src/lsp.rs:75:9
Aug 30 05:04:48.884 INFO kablam!    |
Aug 30 05:04:48.884 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Aug 30 05:04:48.884 INFO kablam!    |         ----^^^^^^^^^^
Aug 30 05:04:48.884 INFO kablam!    |         |
Aug 30 05:04:48.884 INFO kablam!    |         help: remove this `mut`
Aug 30 05:04:48.884 INFO kablam!    |
Aug 30 05:04:48.884 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 05:04:48.884 INFO kablam! 
Aug 30 05:04:48.889 INFO kablam! warning: variable does not need to be mutable
Aug 30 05:04:48.889 INFO kablam!   --> src/lsp.rs:95:9
Aug 30 05:04:48.889 INFO kablam!    |
Aug 30 05:04:48.889 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Aug 30 05:04:48.890 INFO kablam!    |         ----^^^^^^^^^^
Aug 30 05:04:48.890 INFO kablam!    |         |
Aug 30 05:04:48.890 INFO kablam!    |         help: remove this `mut`
Aug 30 05:04:48.890 INFO kablam! 
Aug 30 05:04:49.127 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.89s
Aug 30 05:04:49.134 INFO kablam! su: No module specific data is present
Aug 30 05:04:49.649 INFO running `"docker" "rm" "-f" "1242ff2f71f83f854f2c5d2896c2235b220f8a61728e6e710d355b7cf0a616d2"`
Aug 30 05:04:49.746 INFO blam! 1242ff2f71f83f854f2c5d2896c2235b220f8a61728e6e710d355b7cf0a616d2