[INFO] cloning repository https://github.com/drewstaylor/rust-mcp-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drewstaylor/rust-mcp-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewstaylor%2Frust-mcp-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewstaylor%2Frust-mcp-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e552d67fec4f451e3ac7662a2df05833edc00833
[INFO] checking drewstaylor/rust-mcp-example against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewstaylor%2Frust-mcp-example" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/drewstaylor/rust-mcp-example
[INFO] finished tweaking git repo https://github.com/drewstaylor/rust-mcp-example
[INFO] tweaked toml for git repo https://github.com/drewstaylor/rust-mcp-example written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/drewstaylor/rust-mcp-example on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/drewstaylor/rust-mcp-example 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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmcp v0.1.5
[INFO] [stderr]   Downloaded rmcp-macros v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f591fe58922bb24045f8116233f687efc7d357e0464f79e097845cf0528d45f
[INFO] running `Command { std: "docker" "start" "-a" "0f591fe58922bb24045f8116233f687efc7d357e0464f79e097845cf0528d45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f591fe58922bb24045f8116233f687efc7d357e0464f79e097845cf0528d45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f591fe58922bb24045f8116233f687efc7d357e0464f79e097845cf0528d45f", kill_on_drop: false }`
[INFO] [stdout] 0f591fe58922bb24045f8116233f687efc7d357e0464f79e097845cf0528d45f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c07e814fca98c4f726389d62a489299b3a5f02f288a078500ee08c4533aaa5c
[INFO] running `Command { std: "docker" "start" "-a" "4c07e814fca98c4f726389d62a489299b3a5f02f288a078500ee08c4533aaa5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling rmcp-macros v0.1.5
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking rmcp v0.1.5
[INFO] [stderr]     Checking rust-mcp-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.33s
[INFO] running `Command { std: "docker" "inspect" "4c07e814fca98c4f726389d62a489299b3a5f02f288a078500ee08c4533aaa5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c07e814fca98c4f726389d62a489299b3a5f02f288a078500ee08c4533aaa5c", kill_on_drop: false }`
[INFO] [stdout] 4c07e814fca98c4f726389d62a489299b3a5f02f288a078500ee08c4533aaa5c