[INFO] fetching crate mcp_typegen 0.1.0...
[INFO] testing mcp_typegen-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mcp_typegen 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mcp_typegen 0.1.0
[INFO] finished tweaking crates.io crate mcp_typegen 0.1.0
[INFO] tweaked toml for crates.io crate mcp_typegen 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp_typegen 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding schemars v0.8.22 (available: v1.0.4)
[INFO] [stderr]       Adding typify v0.2.0 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ab710729600b6d77f0b6c8388d071a68664c04f153bc1dd5a8bee872b4b1ae1
[INFO] running `Command { std: "docker" "start" "-a" "7ab710729600b6d77f0b6c8388d071a68664c04f153bc1dd5a8bee872b4b1ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ab710729600b6d77f0b6c8388d071a68664c04f153bc1dd5a8bee872b4b1ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab710729600b6d77f0b6c8388d071a68664c04f153bc1dd5a8bee872b4b1ae1", kill_on_drop: false }`
[INFO] [stdout] 7ab710729600b6d77f0b6c8388d071a68664c04f153bc1dd5a8bee872b4b1ae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 392b61f2e75b265a5d19f624918b57e37979fb092c61b4adbbd4293490fa6b57
[INFO] running `Command { std: "docker" "start" "-a" "392b61f2e75b265a5d19f624918b57e37979fb092c61b4adbbd4293490fa6b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling regress v0.10.4
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_tokenstream v0.2.2
[INFO] [stderr]    Compiling typify-impl v0.2.0
[INFO] [stderr]    Compiling typify-macro v0.2.0
[INFO] [stderr]    Compiling typify v0.2.0
[INFO] [stderr]    Compiling mcp_typegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mcp_typegen v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mcp_typegen-3da95101d8b9e7e8/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "392b61f2e75b265a5d19f624918b57e37979fb092c61b4adbbd4293490fa6b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392b61f2e75b265a5d19f624918b57e37979fb092c61b4adbbd4293490fa6b57", kill_on_drop: false }`
[INFO] [stdout] 392b61f2e75b265a5d19f624918b57e37979fb092c61b4adbbd4293490fa6b57