Sep 21 03:57:02.959 INFO checking rust_lsp-0.6.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 03:57:02.959 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 03:57:02.959 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 03:57:03.146 INFO blam! 45bf09fcf9bf92b2c3574c961287a1028e4ac26bda755b09e010ba32a599a4e6
Sep 21 03:57:03.149 INFO running `"docker" "start" "-a" "45bf09fcf9bf92b2c3574c961287a1028e4ac26bda755b09e010ba32a599a4e6"`
Sep 21 03:57:03.665 INFO kablam! usermod: no changes
Sep 21 03:57:03.760 INFO kablam!     Checking rustdt_util v0.2.3
Sep 21 03:57:03.760 INFO kablam!     Checking url v1.7.1
Sep 21 03:57:04.199 INFO kablam!     Checking rustdt-json_rpc v0.3.0
Sep 21 03:57:05.652 INFO kablam!     Checking languageserver-types v0.6.1
Sep 21 03:57:09.079 INFO kablam!     Checking rust_lsp v0.6.1 (/source)
Sep 21 03:57:10.210 INFO kablam! warning: variable does not need to be mutable
Sep 21 03:57:10.210 INFO kablam!   --> src/lsp.rs:75:9
Sep 21 03:57:10.210 INFO kablam!    |
Sep 21 03:57:10.210 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Sep 21 03:57:10.210 INFO kablam!    |         ----^^^^^^^^^^
Sep 21 03:57:10.210 INFO kablam!    |         |
Sep 21 03:57:10.210 INFO kablam!    |         help: remove this `mut`
Sep 21 03:57:10.210 INFO kablam!    |
Sep 21 03:57:10.210 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 03:57:10.210 INFO kablam! 
Sep 21 03:57:10.210 INFO kablam! warning: variable does not need to be mutable
Sep 21 03:57:10.210 INFO kablam!   --> src/lsp.rs:95:9
Sep 21 03:57:10.210 INFO kablam!    |
Sep 21 03:57:10.210 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Sep 21 03:57:10.210 INFO kablam!    |         ----^^^^^^^^^^
Sep 21 03:57:10.210 INFO kablam!    |         |
Sep 21 03:57:10.210 INFO kablam!    |         help: remove this `mut`
Sep 21 03:57:10.210 INFO kablam! 
Sep 21 03:57:10.373 INFO kablam! warning: variable does not need to be mutable
Sep 21 03:57:10.373 INFO kablam!   --> src/lsp.rs:75:9
Sep 21 03:57:10.373 INFO kablam!    |
Sep 21 03:57:10.373 INFO kablam! 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Sep 21 03:57:10.373 INFO kablam!    |         ----^^^^^^^^^^
Sep 21 03:57:10.373 INFO kablam!    |         |
Sep 21 03:57:10.373 INFO kablam!    |         help: remove this `mut`
Sep 21 03:57:10.376 INFO kablam!    |
Sep 21 03:57:10.377 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 03:57:10.377 INFO kablam! 
Sep 21 03:57:10.384 INFO kablam! warning: variable does not need to be mutable
Sep 21 03:57:10.384 INFO kablam!   --> src/lsp.rs:95:9
Sep 21 03:57:10.384 INFO kablam!    |
Sep 21 03:57:10.384 INFO kablam! 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Sep 21 03:57:10.384 INFO kablam!    |         ----^^^^^^^^^^
Sep 21 03:57:10.384 INFO kablam!    |         |
Sep 21 03:57:10.384 INFO kablam!    |         help: remove this `mut`
Sep 21 03:57:10.384 INFO kablam! 
Sep 21 03:57:10.642 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.96s
Sep 21 03:57:10.654 INFO kablam! su: No module specific data is present
Sep 21 03:57:11.356 INFO running `"docker" "rm" "-f" "45bf09fcf9bf92b2c3574c961287a1028e4ac26bda755b09e010ba32a599a4e6"`
Sep 21 03:57:11.484 INFO blam! 45bf09fcf9bf92b2c3574c961287a1028e4ac26bda755b09e010ba32a599a4e6