these 4 derivations will be built: /nix/store/mpdflbb2j5jqwqa777csf73c2pasfdg0-iets-fuzzers-0.0.0.drv /nix/store/m43ra7vf977z1f905f04999kxqddzhvs-iets-fuzz-diff-deps-0.0.0.drv /nix/store/sg28zwclgs5qmiv772fsy00p6rqyz034-iets-fuzz-diff-0.0.0.drv /nix/store/k3yqq7dgqwvdsgf2i9bvichanqjh4yv9-iets-fuzz-nar-check.drv building '/nix/store/mpdflbb2j5jqwqa777csf73c2pasfdg0-iets-fuzzers-0.0.0.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux' building '/nix/store/mpdflbb2j5jqwqa777csf73c2pasfdg0-iets-fuzzers-0.0.0.drv' on farm.numtide.com:50051 iets-fuzzers-0.0.0> elastic-arm-a5092f90: building mpdflbb2j5jqwqa777csf73c2pasfdg0-iets-fuzzers-0.0.0.drv iets-fuzzers-0.0.0> Running phase: unpackPhase iets-fuzzers-0.0.0> unpacking source archive /nix/store/1m7qzwfka4402lpsr0711b69wkbiyywr-source iets-fuzzers-0.0.0> source root is source iets-fuzzers-0.0.0> Executing cargoSetupPostUnpackHook iets-fuzzers-0.0.0> Finished cargoSetupPostUnpackHook iets-fuzzers-0.0.0> Running phase: patchPhase iets-fuzzers-0.0.0> Executing cargoSetupPostPatchHook iets-fuzzers-0.0.0> Validating consistency between /build/source/fuzz/Cargo.lock and /build/cargo-vendor-dir/Cargo.lock iets-fuzzers-0.0.0> Finished cargoSetupPostPatchHook iets-fuzzers-0.0.0> Running phase: updateAutotoolsGnuConfigScriptsPhase iets-fuzzers-0.0.0> Running phase: configurePhase iets-fuzzers-0.0.0> Running phase: buildPhase iets-fuzzers-0.0.0> Compiling libc v0.2.190 iets-fuzzers-0.0.0> Compiling proc-macro2 v1.0.107 iets-fuzzers-0.0.0> Compiling unicode-ident v1.0.26 iets-fuzzers-0.0.0> Compiling quote v1.0.47 iets-fuzzers-0.0.0> Compiling shlex v2.0.1 iets-fuzzers-0.0.0> Compiling find-msvc-tools v0.1.14 iets-fuzzers-0.0.0> Compiling cfg-if v1.0.5 iets-fuzzers-0.0.0> Compiling version_check v0.9.5 iets-fuzzers-0.0.0> Compiling regex-syntax v0.8.11 iets-fuzzers-0.0.0> Compiling bytes v1.12.1 iets-fuzzers-0.0.0> Compiling pin-project-lite v0.2.17 iets-fuzzers-0.0.0> Compiling anyhow v1.0.104 iets-fuzzers-0.0.0> Compiling memchr v2.8.3 iets-fuzzers-0.0.0> Compiling either v1.19.0 iets-fuzzers-0.0.0> Compiling typenum v1.20.1 iets-fuzzers-0.0.0> Compiling futures-core v0.3.34 iets-fuzzers-0.0.0> Compiling once_cell v1.21.4 iets-fuzzers-0.0.0> Compiling fnv v1.0.7 iets-fuzzers-0.0.0> Compiling semver v1.0.28 iets-fuzzers-0.0.0> Compiling itoa v1.0.18 iets-fuzzers-0.0.0> Compiling getrandom v0.4.3 iets-fuzzers-0.0.0> Compiling itertools v0.14.0 iets-fuzzers-0.0.0> Compiling tracing-core v0.1.36 iets-fuzzers-0.0.0> Compiling equivalent v1.0.2 iets-fuzzers-0.0.0> Compiling futures-sink v0.3.34 iets-fuzzers-0.0.0> Compiling slab v0.4.12 iets-fuzzers-0.0.0> Compiling rustc_version v0.4.1 iets-fuzzers-0.0.0> Compiling generic-array v0.14.7 iets-fuzzers-0.0.0> Compiling bitflags v2.13.2 iets-fuzzers-0.0.0> Compiling zeroize v1.9.1 iets-fuzzers-0.0.0> Compiling hashbrown v0.17.1 iets-fuzzers-0.0.0> Compiling lazy_static v1.5.1 iets-fuzzers-0.0.0> Compiling aho-corasick v1.1.5 iets-fuzzers-0.0.0> Compiling rustls-pki-types v1.15.1 iets-fuzzers-0.0.0> Compiling rustix v1.1.5 iets-fuzzers-0.0.0> Compiling httparse v1.10.1 iets-fuzzers-0.0.0> Compiling logos-codegen v0.15.1 iets-fuzzers-0.0.0> Compiling http v1.5.0 iets-fuzzers-0.0.0> Compiling pulldown-cmark v0.13.4 iets-fuzzers-0.0.0> Compiling prettyplease v0.2.37 iets-fuzzers-0.0.0> Compiling beef v0.5.2 iets-fuzzers-0.0.0> Compiling syn v2.0.119 iets-fuzzers-0.0.0> Compiling syn v3.0.6 iets-fuzzers-0.0.0> Compiling try-lock v0.2.5 iets-fuzzers-0.0.0> Compiling serde_core v1.0.229 iets-fuzzers-0.0.0> Compiling indexmap v2.14.2 iets-fuzzers-0.0.0> Compiling pkg-config v0.3.34 iets-fuzzers-0.0.0> Compiling atomic-waker v1.1.2 iets-fuzzers-0.0.0> Compiling foldhash v0.1.5 iets-fuzzers-0.0.0> Compiling unicase v2.10.0 iets-fuzzers-0.0.0> Compiling futures-task v0.3.34 iets-fuzzers-0.0.0> Compiling unicode-width v0.1.14 iets-fuzzers-0.0.0> Compiling untrusted v0.9.0 iets-fuzzers-0.0.0> Compiling linux-raw-sys v0.12.1 iets-fuzzers-0.0.0> Compiling jobserver v0.1.35 iets-fuzzers-0.0.0> Compiling thiserror v2.0.21 iets-fuzzers-0.0.0> Compiling mio v1.2.4 iets-fuzzers-0.0.0> Compiling socket2 v0.6.5 iets-fuzzers-0.0.0> Compiling http-body v1.1.0 iets-fuzzers-0.0.0> Compiling cc v1.6.0 iets-fuzzers-0.0.0> Compiling regex-automata v0.4.18 iets-fuzzers-0.0.0> Compiling getrandom v0.2.17 iets-fuzzers-0.0.0> Compiling futures-util v0.3.34 iets-fuzzers-0.0.0> Compiling hashbrown v0.15.5 iets-fuzzers-0.0.0> Compiling want v0.3.2 iets-fuzzers-0.0.0> Compiling hybrid-array v0.4.15 iets-fuzzers-0.0.0> Compiling futures-channel v0.3.34 iets-fuzzers-0.0.0> Compiling rustls v0.23.45 iets-fuzzers-0.0.0> Compiling fastrand v2.5.0 iets-fuzzers-0.0.0> Compiling fixedbitset v0.5.7 iets-fuzzers-0.0.0> Compiling httpdate v1.0.3 iets-fuzzers-0.0.0> Compiling tower-service v0.3.3 iets-fuzzers-0.0.0> Compiling smallvec v1.16.2 iets-fuzzers-0.0.0> Compiling block-buffer v0.10.4 iets-fuzzers-0.0.0> Compiling crypto-common v0.1.7 iets-fuzzers-0.0.0> Compiling log v0.4.34 iets-fuzzers-0.0.0> Compiling pulldown-cmark-to-cmark v22.0.3 iets-fuzzers-0.0.0> Compiling petgraph v0.8.3 iets-fuzzers-0.0.0> Compiling subtle v2.6.1 iets-fuzzers-0.0.0> Compiling multimap v0.10.1 iets-fuzzers-0.0.0> Compiling heck v0.5.0 iets-fuzzers-0.0.0> Compiling digest v0.10.7 iets-fuzzers-0.0.0> Compiling block-buffer v0.12.1 iets-fuzzers-0.0.0> Compiling crypto-common v0.2.2 iets-fuzzers-0.0.0> Compiling cpufeatures v0.2.17 iets-fuzzers-0.0.0> Compiling sync_wrapper v1.0.2 iets-fuzzers-0.0.0> Compiling const-oid v0.10.2 iets-fuzzers-0.0.0> Compiling zstd-safe v7.3.0 iets-fuzzers-0.0.0> Compiling crc32fast v1.5.2 iets-fuzzers-0.0.0> Compiling tower-layer v0.3.3 iets-fuzzers-0.0.0> Compiling zmij v1.0.23 iets-fuzzers-0.0.0> Compiling sha2 v0.10.9 iets-fuzzers-0.0.0> Compiling http-body-util v0.1.5 iets-fuzzers-0.0.0> Compiling cpufeatures v0.3.1 iets-fuzzers-0.0.0> Compiling simd-adler32 v0.3.10 iets-fuzzers-0.0.0> Compiling adler2 v2.0.1 iets-fuzzers-0.0.0> Compiling percent-encoding v2.3.2 iets-fuzzers-0.0.0> Compiling serde_json v1.0.151 iets-fuzzers-0.0.0> Compiling cty v0.2.2 iets-fuzzers-0.0.0> Compiling winnow v1.0.4 iets-fuzzers-0.0.0> Compiling base64 v0.22.1 iets-fuzzers-0.0.0> Compiling miniz_oxide v0.9.1 iets-fuzzers-0.0.0> Compiling tempfile v3.27.0 iets-fuzzers-0.0.0> Compiling filetime v0.2.29 iets-fuzzers-0.0.0> Compiling ring v0.17.14 iets-fuzzers-0.0.0> Compiling zstd-sys v2.1.0+zstd.1.5.7 iets-fuzzers-0.0.0> Compiling libmimalloc-sys v0.1.49 iets-fuzzers-0.0.0> Compiling blake3 v1.8.7 iets-fuzzers-0.0.0> Compiling digest v0.11.3 iets-fuzzers-0.0.0> Compiling toml_parser v1.1.4+spec-1.1.0 iets-fuzzers-0.0.0> Compiling sha2 v0.11.0 iets-fuzzers-0.0.0> Compiling libfuzzer-sys v0.4.13 iets-fuzzers-0.0.0> Compiling arrayvec v0.7.8 iets-fuzzers-0.0.0> Compiling libbz2-rs-sys v0.2.5 iets-fuzzers-0.0.0> Compiling logos-codegen v0.16.1 iets-fuzzers-0.0.0> Compiling regex v1.13.1 iets-fuzzers-0.0.0> Compiling tonic-build v0.14.6 iets-fuzzers-0.0.0> Compiling constant_time_eq v0.4.2 iets-fuzzers-0.0.0> Compiling toml_datetime v1.1.2+spec-1.1.0 iets-fuzzers-0.0.0> Compiling serde_spanned v1.1.2 iets-fuzzers-0.0.0> Compiling openssl-probe v0.2.1 iets-fuzzers-0.0.0> Compiling toml_writer v1.1.3+spec-1.1.0 iets-fuzzers-0.0.0> Compiling rustls-native-certs v0.8.4 iets-fuzzers-0.0.0> Compiling toml v1.1.7+spec-1.1.0 iets-fuzzers-0.0.0> Compiling bzip2 v0.6.1 iets-fuzzers-0.0.0> Compiling lzma-rust2 v0.16.5 iets-fuzzers-0.0.0> Compiling tokio-macros v2.7.2 iets-fuzzers-0.0.0> Compiling thiserror-impl v2.0.21 iets-fuzzers-0.0.0> Compiling async-trait v0.1.92 iets-fuzzers-0.0.0> Compiling flate2 v1.1.10 iets-fuzzers-0.0.0> Compiling prost-derive v0.14.4 iets-fuzzers-0.0.0> Compiling tokio v1.53.2 iets-fuzzers-0.0.0> Compiling tracing-attributes v0.1.31 iets-fuzzers-0.0.0> Compiling miette-derive v7.6.0 iets-fuzzers-0.0.0> Compiling logos-derive v0.15.1 iets-fuzzers-0.0.0> Compiling logos-derive v0.16.1 iets-fuzzers-0.0.0> Compiling pin-project-internal v1.1.13 iets-fuzzers-0.0.0> Compiling logos v0.15.1 iets-fuzzers-0.0.0> Compiling tar v0.4.46 iets-fuzzers-0.0.0> Compiling logos v0.16.1 iets-fuzzers-0.0.0> Compiling sha1 v0.10.7 iets-fuzzers-0.0.0> Compiling md-5 v0.10.6 iets-fuzzers-0.0.0> Compiling webpki-roots v1.0.9 iets-fuzzers-0.0.0> Compiling lz4_flex v0.11.6 iets-fuzzers-0.0.0> Compiling miette v7.6.0 iets-fuzzers-0.0.0> Compiling tracing v0.1.44 iets-fuzzers-0.0.0> Compiling prost v0.14.4 iets-fuzzers-0.0.0> Compiling mimalloc v0.1.52 iets-fuzzers-0.0.0> Compiling arbitrary v1.5.0 iets-fuzzers-0.0.0> Compiling pin-project v1.1.13 iets-fuzzers-0.0.0> Compiling prost-types v0.14.4 building '/nix/store/m43ra7vf977z1f905f04999kxqddzhvs-iets-fuzz-diff-deps-0.0.0.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=23&system=aarch64-linux' iets-fuzzers-0.0.0> Compiling prost-reflect v0.16.5 iets-fuzzers-0.0.0> Compiling protox-parse v0.9.0 iets-fuzzers-0.0.0> Compiling prost-build v0.14.4 building '/nix/store/m43ra7vf977z1f905f04999kxqddzhvs-iets-fuzz-diff-deps-0.0.0.drv' on farm.numtide.com:50051 iets-fuzz-diff-deps-0.0.0> elastic-arm-b16d15f1: building m43ra7vf977z1f905f04999kxqddzhvs-iets-fuzz-diff-deps-0.0.0.drv iets-fuzz-diff-deps-0.0.0> cargoArtifacts not set, will not reuse any cargo artifacts iets-fuzz-diff-deps-0.0.0> Running phase: unpackPhase iets-fuzz-diff-deps-0.0.0> unpacking source archive /nix/store/fl1qz63swm6rs16ajh5hl39ma20r8lgx-source iets-fuzzers-0.0.0> Compiling rustls-webpki v0.103.15 iets-fuzz-diff-deps-0.0.0> source root is source iets-fuzz-diff-deps-0.0.0> Running phase: patchPhase iets-fuzz-diff-deps-0.0.0> will use /nix/store/jw1ir0ipc2rypf5ms95pm1gkp99qffan-Cargo.lock as Cargo.lock iets-fuzz-diff-deps-0.0.0> Executing configureCargoCommonVars iets-fuzz-diff-deps-0.0.0> Running phase: updateAutotoolsGnuConfigScriptsPhase iets-fuzz-diff-deps-0.0.0> Running phase: configurePhase iets-fuzz-diff-deps-0.0.0> will append /build/source/fuzz/.cargo-home/config.toml with contents of /nix/store/1fwmh6m1c4zf4f74i6mx684zr3h5x24b-vendor-cargo-deps/config.toml iets-fuzz-diff-deps-0.0.0> default configurePhase, nothing to do iets-fuzz-diff-deps-0.0.0> Running phase: buildPhase iets-fuzz-diff-deps-0.0.0> +++ command cargo --version iets-fuzz-diff-deps-0.0.0> cargo 1.98.0 (797e8a9bc 2026-08-05) iets-fuzz-diff-deps-0.0.0> +++ command cargo check --release --locked --bin fuzz-diff --bin conformance-adapter iets-fuzz-diff-deps-0.0.0> error: cannot update the lock file /build/source/fuzz/Cargo.lock because --locked was passed to prevent this iets-fuzz-diff-deps-0.0.0> help: to generate the lock file without accessing the network, remove the --locked flag and use --offline instead. error: build of '/nix/store/m43ra7vf977z1f905f04999kxqddzhvs-iets-fuzz-diff-deps-0.0.0.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=23&system=aarch64-linux' failed: Cannot build '/nix/store/m43ra7vf977z1f905f04999kxqddzhvs-iets-fuzz-diff-deps-0.0.0.drv'. Reason: builder failed with exit code 101. Output paths: /nix/store/y9gnjcp7hn4p7sfimq24g8iyvr57x4yk-iets-fuzz-diff-deps-0.0.0 Last 17 log lines: > cargoArtifacts not set, will not reuse any cargo artifacts > Running phase: unpackPhase > unpacking source archive /nix/store/fl1qz63swm6rs16ajh5hl39ma20r8lgx-source > source root is source > Running phase: patchPhase > will use /nix/store/jw1ir0ipc2rypf5ms95pm1gkp99qffan-Cargo.lock as Cargo.lock > Executing configureCargoCommonVars > Running phase: updateAutotoolsGnuConfigScriptsPhase > Running phase: configurePhase > will append /build/source/fuzz/.cargo-home/config.toml with contents of /nix/store/1fwmh6m1c4zf4f74i6mx684zr3h5x24b-vendor-cargo-deps/config.toml > default configurePhase, nothing to do > Running phase: buildPhase > +++ command cargo --version > cargo 1.98.0 (797e8a9bc 2026-08-05) > +++ command cargo check --release --locked --bin fuzz-diff --bin conformance-adapter > error: cannot update the lock file /build/source/fuzz/Cargo.lock because --locked was passed to prevent this > help: to generate the lock file without accessing the network, remove the --locked flag and use --offline instead. For full logs, run: nix log /nix/store/m43ra7vf977z1f905f04999kxqddzhvs-iets-fuzz-diff-deps-0.0.0.drv error: Cannot build '/nix/store/m43ra7vf977z1f905f04999kxqddzhvs-iets-fuzz-diff-deps-0.0.0.drv'. Reason: builder failed with exit code 1. Output paths: /nix/store/y9gnjcp7hn4p7sfimq24g8iyvr57x4yk-iets-fuzz-diff-deps-0.0.0 error: Cannot build '/nix/store/sg28zwclgs5qmiv772fsy00p6rqyz034-iets-fuzz-diff-0.0.0.drv'. Reason: 1 dependency failed. Output paths: /nix/store/0a8bsaqjaa1wzqlamilc71a5qhx5hlml-iets-fuzz-diff-0.0.0 iets-fuzzers-0.0.0> Compiling tonic-prost-build v0.14.6 iets-fuzzers-0.0.0> Compiling tokio-util v0.7.19 iets-fuzzers-0.0.0> Compiling tokio-stream v0.1.19 iets-fuzzers-0.0.0> Compiling h2 v0.4.20 iets-fuzzers-0.0.0> Compiling tower v0.5.3 iets-fuzzers-0.0.0> Compiling protox v0.9.1 iets-fuzzers-0.0.0> Compiling iets v0.1.0 (/build/source) iets-fuzzers-0.0.0> Compiling hyper v1.12.0 iets-fuzzers-0.0.0> Compiling tokio-rustls v0.26.6 iets-fuzzers-0.0.0> Compiling hyper-util v0.1.21 iets-fuzzers-0.0.0> Compiling hyper-timeout v0.5.2 iets-fuzzers-0.0.0> Compiling tonic v0.14.6 iets-fuzzers-0.0.0> Compiling tonic-prost v0.14.6 iets-fuzzers-0.0.0> Compiling zstd v0.13.3 iets-fuzzers-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzzers-0.0.0> Finished `release` profile [optimized + debuginfo] target(s) in 5m 49s iets-fuzzers-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzzers-0.0.0> Finished `release` profile [optimized + debuginfo] target(s) in 3.42s iets-fuzzers-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzzers-0.0.0> Finished `release` profile [optimized + debuginfo] target(s) in 3.40s iets-fuzzers-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzzers-0.0.0> Finished `release` profile [optimized + debuginfo] target(s) in 3.36s iets-fuzzers-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzzers-0.0.0> Finished `release` profile [optimized + debuginfo] target(s) in 3.49s iets-fuzzers-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzzers-0.0.0> Finished `release` profile [optimized + debuginfo] target(s) in 3.26s iets-fuzzers-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzzers-0.0.0> Finished `release` profile [optimized + debuginfo] target(s) in 3.42s iets-fuzzers-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzzers-0.0.0> Finished `release` profile [optimized + debuginfo] target(s) in 3.30s iets-fuzzers-0.0.0> Compiling iets-fuzz v0.0.0 (/build/source/fuzz) iets-fuzzers-0.0.0> Finished `release` profile [optimized + debuginfo] target(s) in 3.42s iets-fuzzers-0.0.0> buildPhase completed in 6 minutes 17 seconds iets-fuzzers-0.0.0> Running phase: installPhase error: Cannot build '/nix/store/k3yqq7dgqwvdsgf2i9bvichanqjh4yv9-iets-fuzz-nar-check.drv'. Reason: 1 dependency failed. Output paths: /nix/store/akv8cki18lcgf27kf94jmsj4mb2jhchj-iets-fuzz-nar-check