[INFO] fetching crate ocaml-interop-dune-builder 0.12.0...
[INFO] testing ocaml-interop-dune-builder-0.12.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate ocaml-interop-dune-builder 0.12.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ocaml-interop-dune-builder 0.12.0
[INFO] finished tweaking crates.io crate ocaml-interop-dune-builder 0.12.0
[INFO] tweaked toml for crates.io crate ocaml-interop-dune-builder 0.12.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ocaml-interop-dune-builder 0.12.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ocaml-interop-dune-builder 0.12.0 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b1f84222dbececbb4b6f9faa7c4701a55b4e825a0aa313c77e648be766df4f3
[INFO] running `Command { std: "docker" "start" "-a" "2b1f84222dbececbb4b6f9faa7c4701a55b4e825a0aa313c77e648be766df4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b1f84222dbececbb4b6f9faa7c4701a55b4e825a0aa313c77e648be766df4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1f84222dbececbb4b6f9faa7c4701a55b4e825a0aa313c77e648be766df4f3", kill_on_drop: false }`
[INFO] [stdout] 2b1f84222dbececbb4b6f9faa7c4701a55b4e825a0aa313c77e648be766df4f3
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0df3e22cc6d9d69045829b898e43637f4f3934826c8a6902302178fa9784306e
[INFO] running `Command { std: "docker" "start" "-a" "0df3e22cc6d9d69045829b898e43637f4f3934826c8a6902302178fa9784306e", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/ocaml-interop-dune-builder-76953020788d8fed`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "0df3e22cc6d9d69045829b898e43637f4f3934826c8a6902302178fa9784306e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df3e22cc6d9d69045829b898e43637f4f3934826c8a6902302178fa9784306e", kill_on_drop: false }`
[INFO] [stdout] 0df3e22cc6d9d69045829b898e43637f4f3934826c8a6902302178fa9784306e
