[INFO] updating cached repository dmoonfire/minimal-rust-lsp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dmoonfire/minimal-rust-lsp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dmoonfire/minimal-rust-lsp" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/dmoonfire/minimal-rust-lsp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/dmoonfire/minimal-rust-lsp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dmoonfire/minimal-rust-lsp" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/dmoonfire/minimal-rust-lsp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/dmoonfire/minimal-rust-lsp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a971993f46204dbc895638efd819e3486aa8303
[INFO] sha for GitHub repo dmoonfire/minimal-rust-lsp: 9a971993f46204dbc895638efd819e3486aa8303
[INFO] validating manifest of dmoonfire/minimal-rust-lsp on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dmoonfire/minimal-rust-lsp on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dmoonfire/minimal-rust-lsp
[INFO] finished frobbing dmoonfire/minimal-rust-lsp
[INFO] frobbed toml for dmoonfire/minimal-rust-lsp written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/dmoonfire/minimal-rust-lsp/Cargo.toml
[INFO] started frobbing dmoonfire/minimal-rust-lsp
[INFO] finished frobbing dmoonfire/minimal-rust-lsp
[INFO] frobbed toml for dmoonfire/minimal-rust-lsp written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/dmoonfire/minimal-rust-lsp/Cargo.toml
[INFO] crate dmoonfire/minimal-rust-lsp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking dmoonfire/minimal-rust-lsp against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-6/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/dmoonfire/minimal-rust-lsp:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] db42b42cd5ec343e48e702ce41e4728c8061461a725cecdbb3531cd3d4f6b11a
[INFO] running `"docker" "start" "-a" "db42b42cd5ec343e48e702ce41e4728c8061461a725cecdbb3531cd3d4f6b11a"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking num-integer v0.1.40
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking lsp-types v0.57.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking simple_logger v1.2.0
[INFO] [stderr]     Checking gen_lsp_server v0.2.0
[INFO] [stderr]     Checking lsp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `read_msg_text`
[INFO] [stderr]   --> src/msg.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / pub fn read_msg_text(
[INFO] [stderr] 5  | |     inp: &mut impl BufRead,
[INFO] [stderr] 6  | | ) -> std::result::Result<Option<String>, failure::Error> {
[INFO] [stderr] 7  | |     let mut size = None;
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     Ok(Some(buf))
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_msg_text`
[INFO] [stderr]   --> src/msg.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / pub fn read_msg_text(
[INFO] [stderr] 5  | |     inp: &mut impl BufRead,
[INFO] [stderr] 6  | | ) -> std::result::Result<Option<String>, failure::Error> {
[INFO] [stderr] 7  | |     let mut size = None;
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     Ok(Some(buf))
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.44s
[INFO] running `"docker" "inspect" "db42b42cd5ec343e48e702ce41e4728c8061461a725cecdbb3531cd3d4f6b11a"`
[INFO] running `"docker" "rm" "-f" "db42b42cd5ec343e48e702ce41e4728c8061461a725cecdbb3531cd3d4f6b11a"`
[INFO] [stdout] db42b42cd5ec343e48e702ce41e4728c8061461a725cecdbb3531cd3d4f6b11a