Dec 05 07:24:15.153 INFO checking rust_lsp-0.6.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 07:24:15.153 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 07:24:15.657 INFO [stdout] 036f80414acc554709c0b12d01cb0a595d5bf4a4a4c837ba92d1f5dc43263659
Dec 05 07:24:15.659 INFO running `"docker" "start" "-a" "036f80414acc554709c0b12d01cb0a595d5bf4a4a4c837ba92d1f5dc43263659"`
Dec 05 07:24:16.599 INFO [stderr] usermod: no changes
Dec 05 07:24:16.686 INFO [stderr]     Checking rustdt_util v0.2.3
Dec 05 07:24:16.686 INFO [stderr]    Compiling syn v0.10.8
Dec 05 07:24:16.686 INFO [stderr]     Checking url v1.7.2
Dec 05 07:24:17.276 INFO [stderr]     Checking rustdt-json_rpc v0.3.0
Dec 05 07:24:21.848 INFO [stderr]    Compiling serde_codegen_internals v0.11.3
Dec 05 07:24:23.165 INFO [stderr]    Compiling serde_codegen v0.8.23
Dec 05 07:24:26.507 INFO [stderr]    Compiling serde_derive v0.8.23
Dec 05 07:24:27.936 INFO [stderr]     Checking languageserver-types v0.6.1
Dec 05 07:24:31.662 INFO [stderr]     Checking rust_lsp v0.6.1 (/source)
Dec 05 07:24:33.815 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:24:33.815 INFO [stderr]   --> src/lsp.rs:75:9
Dec 05 07:24:33.815 INFO [stderr]    |
Dec 05 07:24:33.815 INFO [stderr] 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Dec 05 07:24:33.815 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 07:24:33.815 INFO [stderr]    |         |
Dec 05 07:24:33.815 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:24:33.815 INFO [stderr]    |
Dec 05 07:24:33.815 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:24:33.823 INFO [stderr] 
Dec 05 07:24:33.823 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:24:33.823 INFO [stderr]   --> src/lsp.rs:95:9
Dec 05 07:24:33.823 INFO [stderr]    |
Dec 05 07:24:33.823 INFO [stderr] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Dec 05 07:24:33.823 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 07:24:33.823 INFO [stderr]    |         |
Dec 05 07:24:33.823 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:24:33.823 INFO [stderr] 
Dec 05 07:24:34.084 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:24:34.084 INFO [stderr]   --> src/lsp.rs:75:9
Dec 05 07:24:34.084 INFO [stderr]    |
Dec 05 07:24:34.084 INFO [stderr] 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
Dec 05 07:24:34.084 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 07:24:34.084 INFO [stderr]    |         |
Dec 05 07:24:34.084 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:24:34.084 INFO [stderr]    |
Dec 05 07:24:34.084 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:24:34.084 INFO [stderr] 
Dec 05 07:24:34.088 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:24:34.088 INFO [stderr]   --> src/lsp.rs:95:9
Dec 05 07:24:34.088 INFO [stderr]    |
Dec 05 07:24:34.088 INFO [stderr] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
Dec 05 07:24:34.088 INFO [stderr]    |         ----^^^^^^^^^^
Dec 05 07:24:34.088 INFO [stderr]    |         |
Dec 05 07:24:34.088 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:24:34.088 INFO [stderr] 
Dec 05 07:24:34.587 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.97s
Dec 05 07:24:34.598 INFO [stderr] su: No module specific data is present
Dec 05 07:24:35.159 INFO running `"docker" "inspect" "036f80414acc554709c0b12d01cb0a595d5bf4a4a4c837ba92d1f5dc43263659"`
Dec 05 07:24:35.431 INFO running `"docker" "rm" "-f" "036f80414acc554709c0b12d01cb0a595d5bf4a4a4c837ba92d1f5dc43263659"`
Dec 05 07:24:35.787 INFO [stdout] 036f80414acc554709c0b12d01cb0a595d5bf4a4a4c837ba92d1f5dc43263659