[INFO] fetching crate yul-language-server 0.1.1...
[INFO] checking yul-language-server-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate yul-language-server 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate yul-language-server 0.1.1 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] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate yul-language-server 0.1.1
[INFO] finished tweaking crates.io crate yul-language-server 0.1.1
[INFO] tweaked toml for crates.io crate yul-language-server 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate yul-language-server 0.1.1 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 ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a27cabf972e03b010030f5a493ac377acf2a6473ea2a2de42fea263cf4766faa
[INFO] running `Command { std: "docker" "start" "-a" "a27cabf972e03b010030f5a493ac377acf2a6473ea2a2de42fea263cf4766faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a27cabf972e03b010030f5a493ac377acf2a6473ea2a2de42fea263cf4766faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27cabf972e03b010030f5a493ac377acf2a6473ea2a2de42fea263cf4766faa", kill_on_drop: false }`
[INFO] [stdout] a27cabf972e03b010030f5a493ac377acf2a6473ea2a2de42fea263cf4766faa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d559905d08696800115653bfa5e4cfa939ffd21c6c19ba40002ec62dc0429cef
[INFO] running `Command { std: "docker" "start" "-a" "d559905d08696800115653bfa5e4cfa939ffd21c6c19ba40002ec62dc0429cef", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cli-batteries v0.1.1
[INFO] [stderr]    Compiling yul-language-server v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lsp-server v0.4.1
[INFO] [stderr]     Checking lsp-types v0.83.1
[INFO] [stderr]     Checking tracing-test v0.2.1
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/main.rs:63:14
[INFO] [stdout]    |
[INFO] [stdout] 63 | async fn app(options: Options) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/main.rs:63:14
[INFO] [stdout]    |
[INFO] [stdout] 63 | async fn app(options: Options) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.29s
[INFO] running `Command { std: "docker" "inspect" "d559905d08696800115653bfa5e4cfa939ffd21c6c19ba40002ec62dc0429cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d559905d08696800115653bfa5e4cfa939ffd21c6c19ba40002ec62dc0429cef", kill_on_drop: false }`
[INFO] [stdout] d559905d08696800115653bfa5e4cfa939ffd21c6c19ba40002ec62dc0429cef