[INFO] crate rust_lsp 0.6.1 is already in cache
[INFO] extracting crate rust_lsp 0.6.1 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/rust_lsp/0.6.1
[INFO] extracting crate rust_lsp 0.6.1 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/rust_lsp/0.6.1
[INFO] validating manifest of rust_lsp-0.6.1 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust_lsp-0.6.1 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust_lsp-0.6.1
[INFO] finished frobbing rust_lsp-0.6.1
[INFO] frobbed toml for rust_lsp-0.6.1 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/rust_lsp/0.6.1/Cargo.toml
[INFO] started frobbing rust_lsp-0.6.1
[INFO] finished frobbing rust_lsp-0.6.1
[INFO] frobbed toml for rust_lsp-0.6.1 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/rust_lsp/0.6.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rust_lsp-0.6.1 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/rust_lsp/0.6.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ba68acde88419a890083e8d703242ab800627db8e78fc179ab6ecb9ea52b8bfb
[INFO] running `"docker" "start" "-a" "ba68acde88419a890083e8d703242ab800627db8e78fc179ab6ecb9ea52b8bfb"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rustdt_util v0.2.3
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rustdt-json_rpc v0.3.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling serde_codegen v0.8.23
[INFO] [stderr]    Compiling serde_derive v0.8.23
[INFO] [stderr]     Checking languageserver-types v0.6.1
[INFO] [stderr]     Checking rust_lsp v0.6.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lsp.rs:64:21
[INFO] [stderr]    |
[INFO] [stderr] 64 |         input: &mut io::BufRead, endpoint: Endpoint, lsp_server_handler: SERVER, 
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lsp.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |         input: &mut io::BufRead, endpoint: Endpoint, lsp_client_handler: CLIENT,
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lsp.rs:95:75
[INFO] [stderr]    |
[INFO] [stderr] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestHandler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lsp.rs:64:21
[INFO] [stderr]    |
[INFO] [stderr] 64 |         input: &mut io::BufRead, endpoint: Endpoint, lsp_server_handler: SERVER, 
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lsp.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |         input: &mut io::BufRead, endpoint: Endpoint, lsp_client_handler: CLIENT,
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn io::BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lsp.rs:95:75
[INFO] [stderr]    |
[INFO] [stderr] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RequestHandler`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lsp.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lsp.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lsp.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         mut msg_reader: &mut MR, endpoint: Endpoint, lsp_server_handler: SERVER
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lsp.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         mut msg_reader: &mut MR, endpoint: Endpoint, request_handler: Box<RequestHandler>
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.72s
[INFO] running `"docker" "inspect" "ba68acde88419a890083e8d703242ab800627db8e78fc179ab6ecb9ea52b8bfb"`
[INFO] running `"docker" "rm" "-f" "ba68acde88419a890083e8d703242ab800627db8e78fc179ab6ecb9ea52b8bfb"`
[INFO] [stdout] ba68acde88419a890083e8d703242ab800627db8e78fc179ab6ecb9ea52b8bfb