Nov 28 18:49:04.699 INFO checking rust_lsp-0.6.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 18:49:04.700 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 18:49:04.963 INFO [stdout] 209ae5edc527ccd3dfb1d88ce18c53647a6986cb9f5e10f753fe2b9577f2fdf7
Nov 28 18:49:04.966 INFO running `"docker" "start" "-a" "209ae5edc527ccd3dfb1d88ce18c53647a6986cb9f5e10f753fe2b9577f2fdf7"`
Nov 28 18:49:05.390 INFO [stderr] usermod: no changes
Nov 28 18:49:05.476 INFO [stderr]     Checking rustdt_util v0.2.3
Nov 28 18:49:05.476 INFO [stderr]     Checking url v1.7.2
Nov 28 18:49:06.104 INFO [stderr]     Checking rustdt-json_rpc v0.3.0
Nov 28 18:49:07.224 INFO [stderr]     Checking languageserver-types v0.6.1
Nov 28 18:49:11.140 INFO [stderr]     Checking rust_lsp v0.6.1 (/source)
Nov 28 18:49:14.216 INFO [stderr] warning: variable does not need to be mutable
Nov 28 18:49:14.216 INFO [stderr]   --> src/lsp.rs:75:9
Nov 28 18:49:14.216 INFO [stderr]    |
Nov 28 18:49:14.216 INFO [stderr] 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Nov 28 18:49:14.216 INFO [stderr]    |         ----^^^^^^^^^^
Nov 28 18:49:14.216 INFO [stderr]    |         |
Nov 28 18:49:14.216 INFO [stderr]    |         help: remove this `mut`
Nov 28 18:49:14.216 INFO [stderr]    |
Nov 28 18:49:14.216 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 18:49:14.216 INFO [stderr] 
Nov 28 18:49:14.224 INFO [stderr] warning: variable does not need to be mutable
Nov 28 18:49:14.224 INFO [stderr]   --> src/lsp.rs:95:9
Nov 28 18:49:14.224 INFO [stderr]    |
Nov 28 18:49:14.224 INFO [stderr] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Nov 28 18:49:14.224 INFO [stderr]    |         ----^^^^^^^^^^
Nov 28 18:49:14.224 INFO [stderr]    |         |
Nov 28 18:49:14.224 INFO [stderr]    |         help: remove this `mut`
Nov 28 18:49:14.224 INFO [stderr] 
Nov 28 18:49:14.936 INFO [stderr] warning: variable does not need to be mutable
Nov 28 18:49:14.937 INFO [stderr]   --> src/lsp.rs:75:9
Nov 28 18:49:14.937 INFO [stderr]    |
Nov 28 18:49:14.937 INFO [stderr] 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Nov 28 18:49:14.938 INFO [stderr]    |         ----^^^^^^^^^^
Nov 28 18:49:14.938 INFO [stderr]    |         |
Nov 28 18:49:14.938 INFO [stderr]    |         help: remove this `mut`
Nov 28 18:49:14.938 INFO [stderr]    |
Nov 28 18:49:14.939 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 18:49:14.939 INFO [stderr] 
Nov 28 18:49:14.939 INFO [stderr] warning: variable does not need to be mutable
Nov 28 18:49:14.939 INFO [stderr]   --> src/lsp.rs:95:9
Nov 28 18:49:14.940 INFO [stderr]    |
Nov 28 18:49:14.940 INFO [stderr] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Nov 28 18:49:14.940 INFO [stderr]    |         ----^^^^^^^^^^
Nov 28 18:49:14.940 INFO [stderr]    |         |
Nov 28 18:49:14.941 INFO [stderr]    |         help: remove this `mut`
Nov 28 18:49:14.941 INFO [stderr] 
Nov 28 18:49:15.272 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.86s
Nov 28 18:49:15.279 INFO [stderr] su: No module specific data is present
Nov 28 18:49:15.686 INFO running `"docker" "inspect" "209ae5edc527ccd3dfb1d88ce18c53647a6986cb9f5e10f753fe2b9577f2fdf7"`
Nov 28 18:49:15.838 INFO running `"docker" "rm" "-f" "209ae5edc527ccd3dfb1d88ce18c53647a6986cb9f5e10f753fe2b9577f2fdf7"`
Nov 28 18:49:15.981 INFO [stdout] 209ae5edc527ccd3dfb1d88ce18c53647a6986cb9f5e10f753fe2b9577f2fdf7