$ /nix/store/9ypz3flqsrl5xl495mm8h645gadjsxi1-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/23zk8sgzamrbmj1fday15szf7f2279s8-nix-2.34.7/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json build --no-link --print-out-paths git+https://github.com/alphal00p/gammaloop?ref=advanced_sampling&rev=f23b6e78b36d33fe285a84573c4e1bba6b0137da&shallow=1#checks.x86_64-linux.gammaloop-doc --print-build-logs
error (ignored): SQLite database '/var/cache/nix-ci-worker/eval-cache-v6/dd61a2f493b8bf00b9a5de18af917702fbecd992bfa1385d6c272f99bc2c88ab.sqlite' is busy

Building /nix/store/5j2q4b918vfdmfj0vwpcdphncz1b9rv9-gammaloop-workspace-doc-0.1.0.drv
[gammaloop-workspace-doc] Phase: unpackPhase
[gammaloop-workspace-doc] unpacking source archive /nix/store/niwlxjcsks4ybgn24z35xizwz35nka4d-source
[gammaloop-workspace-doc] source root is source
[gammaloop-workspace-doc] Phase: patchPhase
[gammaloop-workspace-doc] Executing configureCargoCommonVars
[gammaloop-workspace-doc] decompressing cargo artifacts from /nix/store/50vpxlcgfxf2d57i27v3d10zjwxxbm2r-gammaloop-workspace-deps-deps-0.1.0/target.tar.zst to target
[gammaloop-workspace-doc] Phase: updateAutotoolsGnuConfigScriptsPhase
[gammaloop-workspace-doc] Phase: configurePhase
[gammaloop-workspace-doc] will append /build/source/.cargo-home/config.toml with contents of /nix/store/5drf77x6km4ky7gwlrzdx9bbd6fz09g3-vendor-cargo-deps/config.toml
[gammaloop-workspace-doc] default configurePhase, nothing to do
[gammaloop-workspace-doc] Phase: buildPhase
[gammaloop-workspace-doc] +++ command cargo --version
[gammaloop-workspace-doc] cargo 1.97.0 (c980f4866 2026-06-30)
[gammaloop-workspace-doc] +++ command cargo doc --profile ci-optim --locked --workspace --features gammaloop-tracing-filter/clap,gammaloop-tracing-filter/symbolica,idenso/bincode,idenso/reference-cases,linnet/bincode,linnet/drawing,linnet/rkyv,linnet/serde,linnet/symbolica,spenso-macros/shadowing,spenso/shadowing,symbolica/tracing_max_level_info,three-dimensional-reps/display,three-dimensional-reps/eval,three-dimensional-reps/serde --no-deps
[gammaloop-workspace-doc] warning: output filename collision at /build/source/target/doc/linnet/index.html
[gammaloop-workspace-doc]   |
[gammaloop-workspace-doc]   = note: the lib target `linnet` in package `linnet v0.17.0 (/build/source/crates/linnet)` has the same output filename as the bin target `linnet` in package `clinnet v0.1.8 (/build/source/crates/clinnet)`
[gammaloop-workspace-doc]   = note: this is a known bug where multiple crates with the same name use the same path; see <https://github.com/rust-lang/cargo/issues/6313>
[gammaloop-workspace-doc]     Checking cfg-if v1.0.4
[gammaloop-workspace-doc]     Checking memchr v2.8.0
[gammaloop-workspace-doc]     Checking once_cell v1.21.4
[gammaloop-workspace-doc]     Checking either v1.15.0
[gammaloop-workspace-doc]     Checking serde_core v1.0.228
[gammaloop-workspace-doc]     Checking libc v0.2.186
[gammaloop-workspace-doc]     Checking libm v0.2.16
[gammaloop-workspace-doc]     Checking itoa v1.0.18
[gammaloop-workspace-doc]     Checking log v0.4.29
[gammaloop-workspace-doc]    Compiling target-lexicon v0.13.5
[gammaloop-workspace-doc]     Checking regex-syntax v0.8.10
[gammaloop-workspace-doc]     Checking zerocopy v0.8.48
[gammaloop-workspace-doc]     Checking equivalent v1.0.2
[gammaloop-workspace-doc]     Checking crossbeam-utils v0.8.21
[gammaloop-workspace-doc]     Checking zmij v1.0.21
[gammaloop-workspace-doc]     Checking lazy_static v1.5.0
[gammaloop-workspace-doc]     Checking unicode-width v0.2.2
[gammaloop-workspace-doc]     Checking bytemuck v1.25.0
[gammaloop-workspace-doc]     Checking itertools v0.14.0
[gammaloop-workspace-doc]     Checking arrayvec v0.7.6
[gammaloop-workspace-doc]     Checking powerfmt v0.2.0
[gammaloop-workspace-doc]    Compiling phf_shared v0.11.3
[gammaloop-workspace-doc]     Checking safe_arch v0.7.4
[gammaloop-workspace-doc]     Checking pin-project-lite v0.2.17
[gammaloop-workspace-doc]     Checking time-core v0.1.8
[gammaloop-workspace-doc]     Checking num_threads v0.1.7
[gammaloop-workspace-doc]     Checking num-conv v0.2.1
[gammaloop-workspace-doc]     Checking tracing-core v0.1.36
[gammaloop-workspace-doc]     Checking linux-raw-sys v0.12.1
[gammaloop-workspace-doc]     Checking allocator-api2 v0.2.21
[gammaloop-workspace-doc]     Checking foldhash v0.2.0
[gammaloop-workspace-doc]     Checking aho-corasick v1.1.4
[gammaloop-workspace-doc]    Compiling phf_generator v0.11.3
[gammaloop-workspace-doc]     Checking deranged v0.5.8
[gammaloop-workspace-doc]     Checking const-random v0.1.18
[gammaloop-workspace-doc]     Checking nu-ansi-term v0.50.3
[gammaloop-workspace-doc]     Checking crossbeam-epoch v0.9.18
[gammaloop-workspace-doc]    Compiling phf_codegen v0.11.3
[gammaloop-workspace-doc]     Checking static_assertions v1.1.0
[gammaloop-workspace-doc]     Checking winnow v1.0.2
[gammaloop-workspace-doc]     Checking unty v0.0.4
[gammaloop-workspace-doc]     Checking crossbeam-deque v0.8.6
[gammaloop-workspace-doc]     Checking wide v0.7.33
[gammaloop-workspace-doc]     Checking tracing-log v0.2.0
[gammaloop-workspace-doc]     Checking tracing v0.1.44
[gammaloop-workspace-doc]     Checking rayon-core v1.13.0
[gammaloop-workspace-doc]     Checking hashbrown v0.16.1
[gammaloop-workspace-doc]     Checking safe_arch v1.0.0
[gammaloop-workspace-doc]     Checking sharded-slab v0.1.7
[gammaloop-workspace-doc]     Checking thread_local v1.1.9
[gammaloop-workspace-doc]     Checking num-traits v0.2.19
[gammaloop-workspace-doc]     Checking indenter v0.3.4
[gammaloop-workspace-doc]     Checking rawpointer v0.2.1
[gammaloop-workspace-doc]     Checking az v1.3.0
[gammaloop-workspace-doc]     Checking toml_writer v1.1.1+spec-1.1.0
[gammaloop-workspace-doc]     Checking rayon v1.12.0
[gammaloop-workspace-doc]     Checking wide v1.3.0
[gammaloop-workspace-doc]     Checking matrixmultiply v0.3.10
[gammaloop-workspace-doc]     Checking eyre v0.6.12
[gammaloop-workspace-doc]     Checking getrandom v0.3.4
[gammaloop-workspace-doc]     Checking gmp-mpfr-sys v1.7.1
[gammaloop-workspace-doc]     Checking time v0.3.47
[gammaloop-workspace-doc]    Compiling rug v1.30.0
[gammaloop-workspace-doc]     Checking rand_core v0.9.5
[gammaloop-workspace-doc]    Compiling getopts v0.2.24
[gammaloop-workspace-doc]     Checking anyhow v1.0.102
[gammaloop-workspace-doc]    Compiling pyo3-build-config v0.28.3
[gammaloop-workspace-doc]     Checking dyn-clone v1.0.20
[gammaloop-workspace-doc]     Checking approx v0.5.1
[gammaloop-workspace-doc]     Checking num-integer v0.1.46
[gammaloop-workspace-doc]     Checking unicode-segmentation v1.13.2
[gammaloop-workspace-doc]     Checking alloc-no-stdlib v2.0.4
[gammaloop-workspace-doc]     Checking alloc-stdlib v0.2.2
[gammaloop-workspace-doc]    Compiling unicode_names2_generator v1.3.0
[gammaloop-workspace-doc]     Checking getrandom v0.2.17
[gammaloop-workspace-doc]    Compiling unic-char-range v0.9.0
[gammaloop-workspace-doc]    Compiling unic-common v0.9.0
[gammaloop-workspace-doc]     Checking typenum v1.20.0
[gammaloop-workspace-doc]     Checking serde v1.0.228
[gammaloop-workspace-doc]     Checking bitflags v2.11.1
[gammaloop-workspace-doc]     Checking serde_json v1.0.149