[INFO] fetching crate r2x 0.1.15...
[INFO] testing r2x-0.1.15 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate r2x 0.1.15 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate r2x 0.1.15
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate r2x 0.1.15
[INFO] tweaked toml for crates.io crate r2x 0.1.15 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r2x 0.1.15 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate r2x 0.1.15 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5d1186500dc7fd3e330edbd8d04baa3af0ce0afb59dc29b72b7a02eb8216fa02
[INFO] running `Command { std: "docker" "start" "5d1186500dc7fd3e330edbd8d04baa3af0ce0afb59dc29b72b7a02eb8216fa02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1186500dc7fd3e330edbd8d04baa3af0ce0afb59dc29b72b7a02eb8216fa02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5d1186500dc7fd3e330edbd8d04baa3af0ce0afb59dc29b72b7a02eb8216fa02" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1186500dc7fd3e330edbd8d04baa3af0ce0afb59dc29b72b7a02eb8216fa02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5d1186500dc7fd3e330edbd8d04baa3af0ce0afb59dc29b72b7a02eb8216fa02" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling aws-lc-rs v1.13.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.129
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling http v1.5.0
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]    Compiling r2x-build-support v0.1.1
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling portable-atomic v1.15.0
[INFO] [stderr]    Compiling bumpalo v3.20.3
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling zerocopy v0.8.59
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling wasm-bindgen v0.2.129
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling r2x-config v0.1.4
[INFO] [stderr]    Compiling pyo3-build-config v0.27.2
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling base64 v0.23.1
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling unit-prefix v0.5.2
[INFO] [stderr]    Compiling ipnet v2.12.2
[INFO] [stderr]    Compiling cfg_aliases v0.2.2
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling bstr v1.13.1
[INFO] [stderr]    Compiling camino v1.2.6
[INFO] [stderr]    Compiling http-body v1.1.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling cc v1.0.106
[INFO] [stderr]    Compiling mio v1.2.3
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling console v0.16.6
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling indicatif v0.18.6
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling which v8.0.6
[INFO] [stderr]    Compiling moxcms v0.8.1
[INFO] [stderr]    Compiling http-body-util v0.1.5
[INFO] [stderr]    Compiling r2x-python v0.1.11
[INFO] [stderr]    Compiling pyo3-ffi v0.27.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.2
[INFO] [stderr]    Compiling pyo3 v0.27.2
[INFO] [stderr]    Compiling bytemuck v1.25.2
[INFO] [stderr]    Compiling unindent v0.2.4
[INFO] [stderr] error: failed to run custom build command for `r2x-python v0.1.11`
[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/r2x-python/957675df2285eddf/out/build_script_build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=PYO3_PYTHON
[INFO] [stderr]   cargo:rerun-if-env-changed=R2X_PYTHON_VERSION
[INFO] [stderr]   cargo:error=PYO3_PYTHON is required. Set it to a UV-managed interpreter with: uv python find --managed-python 3.12
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5d1186500dc7fd3e330edbd8d04baa3af0ce0afb59dc29b72b7a02eb8216fa02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1186500dc7fd3e330edbd8d04baa3af0ce0afb59dc29b72b7a02eb8216fa02", kill_on_drop: false }`
[INFO] [stdout] 5d1186500dc7fd3e330edbd8d04baa3af0ce0afb59dc29b72b7a02eb8216fa02
