[INFO] crate rust_lsp 0.6.1 is already in cache
[INFO] extracting crate rust_lsp 0.6.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rust_lsp/0.6.1
[INFO] extracting crate rust_lsp 0.6.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rust_lsp/0.6.1
[INFO] validating manifest of rust_lsp-0.6.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust_lsp-0.6.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rust_lsp/0.6.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking rust_lsp-0.6.1 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 94ba02eadc1c9e328771609ce1ce28302d7118321f6127b8df029f92cfc2ed71
[INFO] running `"docker" "start" "-a" "94ba02eadc1c9e328771609ce1ce28302d7118321f6127b8df029f92cfc2ed71"`
[INFO] [stderr]     Checking rustdt_util v0.2.3
[INFO] [stderr]     Checking languageserver-types v0.6.1
[INFO] [stderr]     Checking rustdt-json_rpc v0.3.0
[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 8.39s
[INFO] running `"docker" "inspect" "94ba02eadc1c9e328771609ce1ce28302d7118321f6127b8df029f92cfc2ed71"`
[INFO] running `"docker" "rm" "-f" "94ba02eadc1c9e328771609ce1ce28302d7118321f6127b8df029f92cfc2ed71"`
[INFO] [stdout] 94ba02eadc1c9e328771609ce1ce28302d7118321f6127b8df029f92cfc2ed71