[INFO] cloning repository https://github.com/quasardtm/mcp-rust-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quasardtm/mcp-rust-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquasardtm%2Fmcp-rust-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquasardtm%2Fmcp-rust-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e72d087e20272c117924e2c04a3e3aa0e9ead27
[INFO] documenting quasardtm/mcp-rust-tools against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquasardtm%2Fmcp-rust-tools" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/quasardtm/mcp-rust-tools
[INFO] finished tweaking git repo https://github.com/quasardtm/mcp-rust-tools
[INFO] tweaked toml for git repo https://github.com/quasardtm/mcp-rust-tools written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/quasardtm/mcp-rust-tools on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/quasardtm/mcp-rust-tools 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/modelcontextprotocol/rust-sdk`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lsp-types v0.95.1
[INFO] [stderr]   Downloaded schemars_derive v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed6fd469d109df467d1b5011e4e1788ca5605dae9e6a83910f099ab9291b3416
[INFO] running `Command { std: "docker" "start" "-a" "ed6fd469d109df467d1b5011e4e1788ca5605dae9e6a83910f099ab9291b3416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed6fd469d109df467d1b5011e4e1788ca5605dae9e6a83910f099ab9291b3416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6fd469d109df467d1b5011e4e1788ca5605dae9e6a83910f099ab9291b3416", kill_on_drop: false }`
[INFO] [stdout] ed6fd469d109df467d1b5011e4e1788ca5605dae9e6a83910f099ab9291b3416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e13030d1f7f4fba9dae1139e6ead7e15452ff2f7c1a0e138694d93e4623faa31
[INFO] running `Command { std: "docker" "start" "-a" "e13030d1f7f4fba9dae1139e6ead7e15452ff2f7c1a0e138694d93e4623faa31", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]    Compiling schemars_derive v1.0.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]    Compiling rmcp-macros v0.8.1 (https://github.com/modelcontextprotocol/rust-sdk#11093bc8)
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking schemars v1.0.4
[INFO] [stderr]     Checking lsp-types v0.95.1
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking rmcp v0.8.1 (https://github.com/modelcontextprotocol/rust-sdk#11093bc8)
[INFO] [stderr]  Documenting mcp-rust-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mcp-rust-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.43s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/mcp_rust_tools/index.html and 1 other file
[INFO] running `Command { std: "docker" "inspect" "e13030d1f7f4fba9dae1139e6ead7e15452ff2f7c1a0e138694d93e4623faa31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13030d1f7f4fba9dae1139e6ead7e15452ff2f7c1a0e138694d93e4623faa31", kill_on_drop: false }`
[INFO] [stdout] e13030d1f7f4fba9dae1139e6ead7e15452ff2f7c1a0e138694d93e4623faa31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f65d683efc71db8ab189152d55edb234d5192560df2ccbd51e3b4754e5f32f4
[INFO] running `Command { std: "docker" "start" "-a" "7f65d683efc71db8ab189152d55edb234d5192560df2ccbd51e3b4754e5f32f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling schemars_derive v1.0.4
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling rmcp-macros v0.8.1 (https://github.com/modelcontextprotocol/rust-sdk#11093bc8)
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking schemars v1.0.4
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking rmcp v0.8.1 (https://github.com/modelcontextprotocol/rust-sdk#11093bc8)
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking lsp-types v0.95.1
[INFO] [stderr]  Documenting mcp-rust-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.77s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/mcp_rust_tools/index.html
[INFO] running `Command { std: "docker" "inspect" "7f65d683efc71db8ab189152d55edb234d5192560df2ccbd51e3b4754e5f32f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f65d683efc71db8ab189152d55edb234d5192560df2ccbd51e3b4754e5f32f4", kill_on_drop: false }`
[INFO] [stdout] 7f65d683efc71db8ab189152d55edb234d5192560df2ccbd51e3b4754e5f32f4