[INFO] cloning repository https://github.com/unrealhoang/lspc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unrealhoang/lspc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funrealhoang%2Flspc"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funrealhoang%2Flspc'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9ea8547dcce3eb966b10e43b07d5170e20020af8
[INFO] checking unrealhoang/lspc against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funrealhoang%2Flspc" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unrealhoang/lspc on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/unrealhoang/lspc
[INFO] finished tweaking git repo https://github.com/unrealhoang/lspc
[INFO] tweaked toml for git repo https://github.com/unrealhoang/lspc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/unrealhoang/lspc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2731b48d90775288150d91c838f74cb0edf651f43c596832b902caaef4c6ae12
[INFO] running `"docker" "start" "-a" "2731b48d90775288150d91c838f74cb0edf651f43c596832b902caaef4c6ae12"`
[INFO] [stderr]     Checking rmp v0.8.8 (https://github.com/3Hren/msgpack-rust#ef42c6b2)
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking rmpv v0.4.2 (https://github.com/3Hren/msgpack-rust#ef42c6b2)
[INFO] [stderr]     Checking lsp-types v0.61.0
[INFO] [stderr]     Checking lspc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `close`
[INFO] [stderr]    --> src/rpc.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn close(self) -> Result<(), String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `close`
[INFO] [stderr]    --> src/rpc.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn close(self) -> Result<(), String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.17s
[INFO] running `"docker" "inspect" "2731b48d90775288150d91c838f74cb0edf651f43c596832b902caaef4c6ae12"`
[INFO] running `"docker" "rm" "-f" "2731b48d90775288150d91c838f74cb0edf651f43c596832b902caaef4c6ae12"`
[INFO] [stdout] 2731b48d90775288150d91c838f74cb0edf651f43c596832b902caaef4c6ae12