Aug 31 15:24:01.657 INFO checking rust_lsp-0.6.1 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 15:24:01.657 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 15:24:01.657 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 15:24:01.887 INFO blam! e52dbab045a76642c954de4be8e49ac4188dfbd48725e459a061201494f047e1
Aug 31 15:24:01.890 INFO running `"docker" "start" "-a" "e52dbab045a76642c954de4be8e49ac4188dfbd48725e459a061201494f047e1"`
Aug 31 15:24:02.715 INFO kablam!     Checking rustdt_util v0.2.3
Aug 31 15:24:02.717 INFO kablam!    Compiling serde_codegen v0.8.23
Aug 31 15:24:03.419 INFO kablam!     Checking rustdt-json_rpc v0.3.0
Aug 31 15:24:08.050 INFO kablam!    Compiling serde_derive v0.8.23
Aug 31 15:24:11.456 INFO kablam!     Checking languageserver-types v0.6.1
Aug 31 15:24:16.194 INFO kablam!     Checking rust_lsp v0.6.1 (file:///source)
Aug 31 15:24:17.326 INFO kablam! warning: variable does not need to be mutable
Aug 31 15:24:17.326 INFO kablam!   --> src/lsp.rs:75:9
Aug 31 15:24:17.326 INFO kablam!    |
Aug 31 15:24:17.326 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Aug 31 15:24:17.326 INFO kablam!    |         ----^^^^^^^^^^
Aug 31 15:24:17.326 INFO kablam!    |         |
Aug 31 15:24:17.326 INFO kablam!    |         help: remove this `mut`
Aug 31 15:24:17.326 INFO kablam!    |
Aug 31 15:24:17.326 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 15:24:17.326 INFO kablam! 
Aug 31 15:24:17.332 INFO kablam! warning: variable does not need to be mutable
Aug 31 15:24:17.332 INFO kablam!   --> src/lsp.rs:95:9
Aug 31 15:24:17.332 INFO kablam!    |
Aug 31 15:24:17.332 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Aug 31 15:24:17.332 INFO kablam!    |         ----^^^^^^^^^^
Aug 31 15:24:17.332 INFO kablam!    |         |
Aug 31 15:24:17.332 INFO kablam!    |         help: remove this `mut`
Aug 31 15:24:17.332 INFO kablam! 
Aug 31 15:24:17.480 INFO kablam! warning: variable does not need to be mutable
Aug 31 15:24:17.480 INFO kablam!   --> src/lsp.rs:75:9
Aug 31 15:24:17.480 INFO kablam!    |
Aug 31 15:24:17.480 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Aug 31 15:24:17.480 INFO kablam!    |         ----^^^^^^^^^^
Aug 31 15:24:17.480 INFO kablam!    |         |
Aug 31 15:24:17.480 INFO kablam!    |         help: remove this `mut`
Aug 31 15:24:17.480 INFO kablam!    |
Aug 31 15:24:17.480 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 15:24:17.480 INFO kablam! 
Aug 31 15:24:17.487 INFO kablam! warning: variable does not need to be mutable
Aug 31 15:24:17.487 INFO kablam!   --> src/lsp.rs:95:9
Aug 31 15:24:17.487 INFO kablam!    |
Aug 31 15:24:17.487 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Aug 31 15:24:17.487 INFO kablam!    |         ----^^^^^^^^^^
Aug 31 15:24:17.487 INFO kablam!    |         |
Aug 31 15:24:17.487 INFO kablam!    |         help: remove this `mut`
Aug 31 15:24:17.487 INFO kablam! 
Aug 31 15:24:17.754 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
Aug 31 15:24:17.764 INFO kablam! su: No module specific data is present
Aug 31 15:24:18.136 INFO running `"docker" "rm" "-f" "e52dbab045a76642c954de4be8e49ac4188dfbd48725e459a061201494f047e1"`
Aug 31 15:24:18.264 INFO blam! e52dbab045a76642c954de4be8e49ac4188dfbd48725e459a061201494f047e1