[INFO] fetching crate turul-mcp-builders 0.1.1...
[INFO] building turul-mcp-builders-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate turul-mcp-builders 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate turul-mcp-builders 0.1.1
[INFO] finished tweaking crates.io crate turul-mcp-builders 0.1.1
[INFO] tweaked toml for crates.io crate turul-mcp-builders 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate turul-mcp-builders 0.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate turul-mcp-builders 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded turul-mcp-json-rpc-server v0.1.1
[INFO] [stderr]   Downloaded turul-mcp-protocol-2025-06-18 v0.1.1
[INFO] [stderr]   Downloaded turul-mcp-protocol v0.1.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d12839452d8aee469bf6d5480b46d722d0e4230bf998cdcf5b146f980ce177a8
[INFO] running `Command { std: "docker" "start" "-a" "d12839452d8aee469bf6d5480b46d722d0e4230bf998cdcf5b146f980ce177a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d12839452d8aee469bf6d5480b46d722d0e4230bf998cdcf5b146f980ce177a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12839452d8aee469bf6d5480b46d722d0e4230bf998cdcf5b146f980ce177a8", kill_on_drop: false }`
[INFO] [stdout] d12839452d8aee469bf6d5480b46d722d0e4230bf998cdcf5b146f980ce177a8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31eba2502050018a368f2a08b772c785fde0ec31cef42b97588ed08dcecc3284
[INFO] running `Command { std: "docker" "start" "-a" "31eba2502050018a368f2a08b772c785fde0ec31cef42b97588ed08dcecc3284", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling turul-mcp-json-rpc-server v0.1.1
[INFO] [stderr]    Compiling turul-mcp-protocol-2025-06-18 v0.1.1
[INFO] [stderr]    Compiling turul-mcp-protocol v0.1.1
[INFO] [stderr]    Compiling turul-mcp-builders v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.98s
[INFO] running `Command { std: "docker" "inspect" "31eba2502050018a368f2a08b772c785fde0ec31cef42b97588ed08dcecc3284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31eba2502050018a368f2a08b772c785fde0ec31cef42b97588ed08dcecc3284", kill_on_drop: false }`
[INFO] [stdout] 31eba2502050018a368f2a08b772c785fde0ec31cef42b97588ed08dcecc3284
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4cc02be7cbc138b1d243c76e41321beca5126ba6f957e4a3fefe62a09d8de2e
[INFO] running `Command { std: "docker" "start" "-a" "e4cc02be7cbc138b1d243c76e41321beca5126ba6f957e4a3fefe62a09d8de2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling turul-mcp-builders v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `Command { std: "docker" "inspect" "e4cc02be7cbc138b1d243c76e41321beca5126ba6f957e4a3fefe62a09d8de2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cc02be7cbc138b1d243c76e41321beca5126ba6f957e4a3fefe62a09d8de2e", kill_on_drop: false }`
[INFO] [stdout] e4cc02be7cbc138b1d243c76e41321beca5126ba6f957e4a3fefe62a09d8de2e