Dec 05 07:24:16.638 INFO checking rust_lsp-0.6.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 07:24:16.638 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 07:24:16.902 INFO [stdout] 6bfd8955d1e2c79e56c5675f2d41f84ee1c35466dd86816f7f8ebb7d489db209
Dec 05 07:24:16.911 INFO running `"docker" "start" "-a" "6bfd8955d1e2c79e56c5675f2d41f84ee1c35466dd86816f7f8ebb7d489db209"`
Dec 05 07:24:17.951 INFO [stderr] usermod: no changes
Dec 05 07:24:18.058 INFO [stderr]     Checking rustdt_util v0.2.3
Dec 05 07:24:18.063 INFO [stderr]     Checking url v1.7.2
Dec 05 07:24:18.651 INFO [stderr]     Checking rustdt-json_rpc v0.3.0
Dec 05 07:24:20.147 INFO [stderr]     Checking languageserver-types v0.6.1
Dec 05 07:24:23.945 INFO [stderr]     Checking rust_lsp v0.6.1 (/source)
Dec 05 07:24:26.379 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:24:26.379 INFO [stderr]   --> src/lsp.rs:75:9
Dec 05 07:24:26.379 INFO [stderr]    |
Dec 05 07:24:26.379 INFO [stderr] 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Dec 05 07:24:26.379 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 07:24:26.379 INFO [stderr]    |         |
Dec 05 07:24:26.379 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:24:26.379 INFO [stderr]    |
Dec 05 07:24:26.379 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:24:26.379 INFO [stderr] 
Dec 05 07:24:26.383 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:24:26.383 INFO [stderr]   --> src/lsp.rs:95:9
Dec 05 07:24:26.383 INFO [stderr]    |
Dec 05 07:24:26.383 INFO [stderr] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Dec 05 07:24:26.383 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 07:24:26.383 INFO [stderr]    |         |
Dec 05 07:24:26.383 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:24:26.383 INFO [stderr] 
Dec 05 07:24:26.515 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:24:26.515 INFO [stderr]   --> src/lsp.rs:75:9
Dec 05 07:24:26.515 INFO [stderr]    |
Dec 05 07:24:26.515 INFO [stderr] 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Dec 05 07:24:26.515 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 07:24:26.515 INFO [stderr]    |         |
Dec 05 07:24:26.515 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:24:26.515 INFO [stderr]    |
Dec 05 07:24:26.515 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:24:26.515 INFO [stderr] 
Dec 05 07:24:26.519 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:24:26.519 INFO [stderr]   --> src/lsp.rs:95:9
Dec 05 07:24:26.519 INFO [stderr]    |
Dec 05 07:24:26.519 INFO [stderr] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Dec 05 07:24:26.519 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 07:24:26.519 INFO [stderr]    |         |
Dec 05 07:24:26.519 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:24:26.519 INFO [stderr] 
Dec 05 07:24:27.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.22s
Dec 05 07:24:27.216 INFO [stderr] su: No module specific data is present
Dec 05 07:24:28.222 INFO running `"docker" "inspect" "6bfd8955d1e2c79e56c5675f2d41f84ee1c35466dd86816f7f8ebb7d489db209"`
Dec 05 07:24:28.621 INFO running `"docker" "rm" "-f" "6bfd8955d1e2c79e56c5675f2d41f84ee1c35466dd86816f7f8ebb7d489db209"`
Dec 05 07:24:28.864 INFO [stdout] 6bfd8955d1e2c79e56c5675f2d41f84ee1c35466dd86816f7f8ebb7d489db209