[INFO] cloning repository https://github.com/distrihub/mcp-servers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/distrihub/mcp-servers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistrihub%2Fmcp-servers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistrihub%2Fmcp-servers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0af3104c35b92847a6c9753f6e5a9b01af1f9d94
[INFO] checking distrihub/mcp-servers against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistrihub%2Fmcp-servers" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/distrihub/mcp-servers
[INFO] finished tweaking git repo https://github.com/distrihub/mcp-servers
[INFO] tweaked toml for git repo https://github.com/distrihub/mcp-servers written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/distrihub/mcp-servers on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/distrihub/mcp-servers 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `base64`
[INFO] [stderr]  --> Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | base64 = "0.22"
[INFO] [stderr]   | ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `base64`
[INFO] [stderr] warning: unused workspace dependency `maplit`
[INFO] [stderr]  --> Cargo.toml:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | maplit = "1"
[INFO] [stderr]   | ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the workspace dependency `maplit`
[INFO] [stderr] warning: unused workspace dependency `rpc-router`
[INFO] [stderr]   --> Cargo.toml:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | rpc-router = "0.1.3"
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the workspace dependency `rpc-router`
[INFO] [stderr] warning: unused workspace dependency `signal-hook`
[INFO] [stderr]   --> Cargo.toml:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | signal-hook = "0.3"
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the workspace dependency `signal-hook`
[INFO] [stderr] warning: workspace (manifest) generated 4 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 3 packages to highest compatible versions
[INFO] [stderr]       Adding home v0.5.12
[INFO] [stderr]       Adding windows-link v0.2.1
[INFO] [stderr]       Adding windows-sys v0.61.2
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.7.8
[INFO] [stderr]   Downloaded reqwest v0.12.22
[INFO] [stderr]   Downloaded hyper-util v0.1.15
[INFO] [stderr]   Downloaded rustls-webpki v0.103.4
[INFO] [stderr]   Downloaded tokio v1.46.1
[INFO] [stderr]   Downloaded h2 v0.4.11
[INFO] [stderr]   Downloaded async-compression v0.4.27
[INFO] [stderr]   Downloaded rustls v0.23.29
[INFO] [stderr]   Downloaded ua_generator v0.5.17
[INFO] [stderr]   Downloaded spider v1.99.37
[INFO] [stderr]   Downloaded toml v0.9.2
[INFO] [stderr]   Downloaded toml_parser v1.0.1
[INFO] [stderr]   Downloaded string_concat v0.0.1
[INFO] [stderr]   Downloaded fast_html5ever v0.26.6
[INFO] [stderr]   Downloaded fast_markup5ever v0.11.1
[INFO] [stderr]   Downloaded case_insensitive_string v0.2.10
[INFO] [stderr]   Downloaded readability v0.3.0
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.2.0
[INFO] [stderr]   Downloaded xml5ever v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ee2846e49ec24a82409363d1899846d68c2d9104a0458900be19c5f725321e2e
[INFO] running `Command { std: "docker" "start" "ee2846e49ec24a82409363d1899846d68c2d9104a0458900be19c5f725321e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee2846e49ec24a82409363d1899846d68c2d9104a0458900be19c5f725321e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ee2846e49ec24a82409363d1899846d68c2d9104a0458900be19c5f725321e2e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee2846e49ec24a82409363d1899846d68c2d9104a0458900be19c5f725321e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ee2846e49ec24a82409363d1899846d68c2d9104a0458900be19c5f725321e2e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `base64`
[INFO] [stderr]  --> Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | base64 = "0.22"
[INFO] [stderr]   | ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `base64`
[INFO] [stderr] warning: unused workspace dependency `maplit`
[INFO] [stderr]  --> Cargo.toml:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | maplit = "1"
[INFO] [stderr]   | ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the workspace dependency `maplit`
[INFO] [stderr] warning: unused workspace dependency `rpc-router`
[INFO] [stderr]   --> Cargo.toml:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | rpc-router = "0.1.3"
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the workspace dependency `rpc-router`
[INFO] [stderr] warning: unused workspace dependency `signal-hook`
[INFO] [stderr]   --> Cargo.toml:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | signal-hook = "0.3"
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the workspace dependency `signal-hook`
[INFO] [stderr] warning: workspace (manifest) generated 4 warnings
[INFO] [stderr] error: can't find example `async` at path `/opt/rustwide/workdir/mcp-twitter/examples/async.rs`
[INFO] [stderr]  --> /opt/rustwide/workdir/mcp-twitter/Cargo.toml
[INFO] [stderr] error: can't find example `client` at path `/opt/rustwide/workdir/mcp-twitter/examples/client.rs`
[INFO] [stderr]  --> /opt/rustwide/workdir/mcp-twitter/Cargo.toml
[INFO] [stderr] error: could not compile due to 2 previous target resolution errors
[INFO] running `Command { std: "docker" "inspect" "ee2846e49ec24a82409363d1899846d68c2d9104a0458900be19c5f725321e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2846e49ec24a82409363d1899846d68c2d9104a0458900be19c5f725321e2e", kill_on_drop: false }`
[INFO] [stdout] ee2846e49ec24a82409363d1899846d68c2d9104a0458900be19c5f725321e2e
