[INFO] cloning repository https://github.com/VictosVertex/asp-lsp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VictosVertex/asp-lsp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictosVertex%2Fasp-lsp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictosVertex%2Fasp-lsp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 983688b8946d20e3bd208fef52856b98c40cf61e
[INFO] checking VictosVertex/asp-lsp against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictosVertex%2Fasp-lsp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VictosVertex/asp-lsp on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VictosVertex/asp-lsp
[INFO] finished tweaking git repo https://github.com/VictosVertex/asp-lsp
[INFO] tweaked toml for git repo https://github.com/VictosVertex/asp-lsp written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/VictosVertex/asp-lsp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded tower-lsp-macros v0.9.0
[INFO] [stderr] Downloaded auto_impl v1.2.0
[INFO] [stderr] Downloaded lsp-types v0.94.1
[INFO] [stderr] Downloaded async-trait v0.1.78
[INFO] [stderr] Downloaded tower-lsp v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b14540f7e8056c91c50fcd24fdac626a4bf9986432897dc07000ee7f8c0beaa
[INFO] running `Command { std: "docker" "start" "-a" "6b14540f7e8056c91c50fcd24fdac626a4bf9986432897dc07000ee7f8c0beaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b14540f7e8056c91c50fcd24fdac626a4bf9986432897dc07000ee7f8c0beaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b14540f7e8056c91c50fcd24fdac626a4bf9986432897dc07000ee7f8c0beaa", kill_on_drop: false }`
[INFO] [stdout] 6b14540f7e8056c91c50fcd24fdac626a4bf9986432897dc07000ee7f8c0beaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dca956ca75acbcc8db72cfefbb9528a6e0a6700177d7f8965621b0d5ca7d09f9
[INFO] running `Command { std: "docker" "start" "-a" "dca956ca75acbcc8db72cfefbb9528a6e0a6700177d7f8965621b0d5ca7d09f9", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.79
[INFO] [stderr] Checking smallvec v1.13.2
[INFO] [stderr] Compiling serde v1.0.197
[INFO] [stderr] Checking tracing-core v0.1.32
[INFO] [stderr] Checking futures-channel v0.3.30
[INFO] [stderr] Compiling async-trait v0.1.78
[INFO] [stderr] Checking mio v0.8.10
[INFO] [stderr] Checking socket2 v0.5.5
[INFO] [stderr] Checking signal-hook-registry v1.4.1
[INFO] [stderr] Checking log v0.4.21
[INFO] [stderr] Checking hashbrown v0.14.3
[INFO] [stderr] Checking overload v0.1.1
[INFO] [stderr] Checking tower-layer v0.3.2
[INFO] [stderr] Checking sharded-slab v0.1.7
[INFO] [stderr] Checking thread_local v1.1.8
[INFO] [stderr] Checking nu-ansi-term v0.46.0
[INFO] [stderr] Checking parking_lot_core v0.9.9
[INFO] [stderr] Checking tracing-log v0.2.0
[INFO] [stderr] Checking parking_lot v0.12.1
[INFO] [stderr] Checking dashmap v5.5.3
[INFO] [stderr] Checking tracing-subscriber v0.3.18
[INFO] [stderr] Compiling quote v1.0.35
[INFO] [stderr] Compiling syn v2.0.53
[INFO] [stderr] Compiling serde_derive v1.0.197
[INFO] [stderr] Compiling futures-macro v0.3.30
[INFO] [stderr] Compiling tracing-attributes v0.1.27
[INFO] [stderr] Compiling tokio-macros v2.2.0
[INFO] [stderr] Compiling pin-project-internal v1.1.5
[INFO] [stderr] Compiling serde_repr v0.1.18
[INFO] [stderr] Compiling tower-lsp-macros v0.9.0
[INFO] [stderr] Compiling auto_impl v1.2.0
[INFO] [stderr] Checking tokio v1.36.0
[INFO] [stderr] Checking futures-util v0.3.30
[INFO] [stderr] Checking tracing v0.1.40
[INFO] [stderr] Checking pin-project v1.1.5
[INFO] [stderr] Checking tower v0.4.13
[INFO] [stderr] Checking futures v0.3.30
[INFO] [stderr] Checking tokio-util v0.7.10
[INFO] [stderr] Checking url v2.5.0
[INFO] [stderr] Checking serde_json v1.0.114
[INFO] [stderr] Checking lsp-types v0.94.1
[INFO] [stderr] Checking tower-lsp v0.20.0
[INFO] [stderr] Checking asp-lsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout] --> src/main.rs:93:32
[INFO] [stdout] |
[INFO] [stdout] 93 | async fn completion(&self, params: CompletionParams) -> Result