[INFO] cloning repository https://github.com/jackie-h/rust-ffi-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackie-h/rust-ffi-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackie-h%2Frust-ffi-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackie-h%2Frust-ffi-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dc885526ebb7fa77c6f40ae981c427c8318a0997 [INFO] checking jackie-h/rust-ffi-examples against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackie-h%2Frust-ffi-examples" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jackie-h/rust-ffi-examples [INFO] finished tweaking git repo https://github.com/jackie-h/rust-ffi-examples [INFO] tweaked toml for git repo https://github.com/jackie-h/rust-ffi-examples written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jackie-h/rust-ffi-examples on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jackie-h/rust-ffi-examples 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78c3b4a7fef11ebb129c6cd6bcc0e10b30fc58887ad761c390daef9ae2c94b95 [INFO] running `Command { std: "docker" "start" "-a" "78c3b4a7fef11ebb129c6cd6bcc0e10b30fc58887ad761c390daef9ae2c94b95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78c3b4a7fef11ebb129c6cd6bcc0e10b30fc58887ad761c390daef9ae2c94b95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78c3b4a7fef11ebb129c6cd6bcc0e10b30fc58887ad761c390daef9ae2c94b95", kill_on_drop: false }` [INFO] [stdout] 78c3b4a7fef11ebb129c6cd6bcc0e10b30fc58887ad761c390daef9ae2c94b95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c647aec3b1b1554a5e6bc4c09d49ca0b0c84ff5846488f702f152a874afd1a55 [INFO] running `Command { std: "docker" "start" "-a" "c647aec3b1b1554a5e6bc4c09d49ca0b0c84ff5846488f702f152a874afd1a55", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling cpp_examples v0.1.0 (/opt/rustwide/workdir/cpp_examples) [INFO] [stderr] error: failed to run custom build command for `cpp_examples v0.1.0 (/opt/rustwide/workdir/cpp_examples)` [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/cpp_examples-08a643dd5970074c/build-script-build` (exit status: 1) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error occurred: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] [INFO] running `Command { std: "docker" "inspect" "c647aec3b1b1554a5e6bc4c09d49ca0b0c84ff5846488f702f152a874afd1a55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c647aec3b1b1554a5e6bc4c09d49ca0b0c84ff5846488f702f152a874afd1a55", kill_on_drop: false }` [INFO] [stdout] c647aec3b1b1554a5e6bc4c09d49ca0b0c84ff5846488f702f152a874afd1a55