these 4 derivations will be built:
  /nix/store/xm2ma0kbyxia4ykl0pk2c2aw145ihdc7-Cargo.toml.drv
  /nix/store/g2fg4ypncb6airipfqiwny553p9sv1h4-source.drv
  /nix/store/zz75xp5mjh5siy49pchjb893phxhk88i-tincd-deps-0.1.0.drv
  /nix/store/6q0gavqw7ji0k1lbasf3jmsnkiil74fz-tincd-clippy-0.1.0.drv
building '/nix/store/xm2ma0kbyxia4ykl0pk2c2aw145ihdc7-Cargo.toml.drv'
Cargo.toml> tribuchet: building on mac02
building '/nix/store/g2fg4ypncb6airipfqiwny553p9sv1h4-source.drv'
source> tribuchet: building on mac02
building '/nix/store/zz75xp5mjh5siy49pchjb893phxhk88i-tincd-deps-0.1.0.drv'
tincd-deps-0.1.0> tribuchet: building on mac02
tincd-deps-0.1.0> cargoArtifacts not set, will not reuse any cargo artifacts
tincd-deps-0.1.0> Running phase: unpackPhase
tincd-deps-0.1.0> unpacking source archive /nix/store/p3iy2jcvc6s34wnyln8acic2v06jv5wv-source
tincd-deps-0.1.0> source root is source
tincd-deps-0.1.0> Running phase: patchPhase
tincd-deps-0.1.0> Executing configureCargoCommonVars
tincd-deps-0.1.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
tincd-deps-0.1.0> Running phase: configurePhase
tincd-deps-0.1.0> will append /private/var/tb/7/scratch/2948c5690cfe546e/build/source/.cargo-home/config.toml with contents of /nix/store/zahh5pgyr4ayjajxqdd0ckwr196fwyl9-vendor-cargo-deps/config.toml
tincd-deps-0.1.0> default configurePhase, nothing to do
tincd-deps-0.1.0> Running phase: buildPhase
tincd-deps-0.1.0> +++ command cargo --version
tincd-deps-0.1.0> cargo 1.97.0 (c980f4866 2026-06-30)
tincd-deps-0.1.0> +++ command cargo check --release -p tincd -p tinc-tools
tincd-deps-0.1.0>    Compiling proc-macro2 v1.0.106
tincd-deps-0.1.0>    Compiling unicode-ident v1.0.24
tincd-deps-0.1.0>    Compiling quote v1.0.45
tincd-deps-0.1.0>     Checking cmov v0.5.3
tincd-deps-0.1.0>    Compiling libc v0.2.190
tincd-deps-0.1.0>    Compiling typenum v1.19.0
tincd-deps-0.1.0>     Checking rand_core v0.10.1
tincd-deps-0.1.0>     Checking const-oid v0.10.2
tincd-deps-0.1.0>    Compiling autocfg v1.5.0
tincd-deps-0.1.0>     Checking cfg-if v1.0.4
tincd-deps-0.1.0>    Compiling shlex v2.0.1
tincd-deps-0.1.0>    Compiling find-msvc-tools v0.1.14
tincd-deps-0.1.0>    Compiling semver v1.0.28
tincd-deps-0.1.0>    Compiling vcpkg v0.2.15
tincd-deps-0.1.0>    Compiling pkg-config v0.3.34
tincd-deps-0.1.0>     Checking bitflags v2.13.2
tincd-deps-0.1.0>    Compiling serde_core v1.0.229
tincd-deps-0.1.0>    Compiling getrandom v0.4.3
tincd-deps-0.1.0>     Checking subtle v2.6.1
tincd-deps-0.1.0>     Checking memchr v2.8.0
tincd-deps-0.1.0>    Compiling cfg_aliases v0.2.1
tincd-deps-0.1.0>     Checking log v0.4.34
tincd-deps-0.1.0>    Compiling serde v1.0.229
tincd-deps-0.1.0>    Compiling tinc-crypto v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-crypto)
tincd-deps-0.1.0>     Checking base64ct v1.8.3
tincd-deps-0.1.0>     Checking itoa v1.0.18
tincd-deps-0.1.0>    Compiling nix v0.31.3
tincd-deps-0.1.0>    Compiling thiserror v2.0.21
tincd-deps-0.1.0>    Compiling tinc-conf v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-conf)
tincd-deps-0.1.0>    Compiling tinc-sptps v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-sptps)
tincd-deps-0.1.0>    Compiling tinc-proto v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-proto)
tincd-deps-0.1.0>    Compiling cc v1.7.0
tincd-deps-0.1.0>    Compiling objc2 v0.6.4
tincd-deps-0.1.0>     Checking cpubits v0.1.1
tincd-deps-0.1.0>     Checking objc2-encode v4.1.0
tincd-deps-0.1.0>    Compiling zmij v1.0.21
tincd-deps-0.1.0>    Compiling serde_json v1.0.151
tincd-deps-0.1.0>    Compiling rustc_version v0.4.1
tincd-deps-0.1.0>     Checking powerfmt v0.2.0
tincd-deps-0.1.0>     Checking ctutils v0.4.2
tincd-deps-0.1.0>     Checking pem-rfc7468 v1.0.0
tincd-deps-0.1.0>    Compiling tinc-tools v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-tools)
tincd-deps-0.1.0>     Checking ascii v1.1.0
tincd-deps-0.1.0>     Checking httpdate v1.0.3
tincd-deps-0.1.0>     Checking chunked_transfer v1.5.0
tincd-deps-0.1.0>    Compiling num-traits v0.2.19
tincd-deps-0.1.0>    Compiling curve25519-dalek v5.0.0-pre.6
tincd-deps-0.1.0>    Compiling memoffset v0.9.1
tincd-deps-0.1.0>     Checking deranged v0.5.8
tincd-deps-0.1.0>     Checking hashbrown v0.16.1
tincd-deps-0.1.0>     Checking tiny_http v0.12.0
tincd-deps-0.1.0>     Checking base64 v0.23.1
tincd-deps-0.1.0>    Compiling version_check v0.9.5
tincd-deps-0.1.0>     Checking equivalent v1.0.2
tincd-deps-0.1.0>    Compiling crc32fast v1.5.0
tincd-deps-0.1.0>     Checking time-core v0.1.8
tincd-deps-0.1.0>     Checking num-conv v0.2.1
tincd-deps-0.1.0>     Checking quick-xml v0.41.0
tincd-deps-0.1.0>    Compiling slotmap v1.1.1
tincd-deps-0.1.0>     Checking base64 v0.22.1
tincd-deps-0.1.0>    Compiling zerocopy v0.8.62
tincd-deps-0.1.0>     Checking indexmap v2.13.1
tincd-deps-0.1.0>    Compiling tinc-device v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-device)
tincd-deps-0.1.0>     Checking adler2 v2.0.1
tincd-deps-0.1.0>    Compiling netdev v0.46.3
tincd-deps-0.1.0>     Checking simd-adler32 v0.3.9
tincd-deps-0.1.0>     Checking time v0.3.47
tincd-deps-0.1.0>     Checking miniz_oxide v0.9.1
tincd-deps-0.1.0>    Compiling syn v2.0.117
tincd-deps-0.1.0>    Compiling syn v3.0.5
tincd-deps-0.1.0>     Checking env_filter v2.0.0
tincd-deps-0.1.0>     Checking twox-hash v2.1.2
tincd-deps-0.1.0>     Checking mac-addr v0.3.0
tincd-deps-0.1.0>     Checking sponge-cursor v0.1.0
tincd-deps-0.1.0>    Compiling openssl-sys v0.9.117
tincd-deps-0.1.0>    Compiling tincd v0.1.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tincd)
tincd-deps-0.1.0>     Checking ipnet v2.12.0
tincd-deps-0.1.0>     Checking env_logger v0.11.11
tincd-deps-0.1.0>     Checking lz4_flex v0.14.0
tincd-deps-0.1.0>    Compiling serde_derive v1.0.229
tincd-deps-0.1.0>    Compiling thiserror-impl v2.0.21
tincd-deps-0.1.0>     Checking dispatch2 v0.3.1
tincd-deps-0.1.0>     Checking block2 v0.6.2
tincd-deps-0.1.0>    Compiling zeroize_derive v1.5.0
tincd-deps-0.1.0>    Compiling zerocopy-derive v0.8.62
tincd-deps-0.1.0>     Checking zeroize v1.9.1
tincd-deps-0.1.0>     Checking cpufeatures v0.3.0
tincd-deps-0.1.0>     Checking objc2-core-foundation v0.3.2
tincd-deps-0.1.0>     Checking socket2 v0.6.5
tincd-deps-0.1.0>     Checking keccak v0.2.0
tincd-deps-0.1.0>     Checking flate2 v1.1.10
tincd-deps-0.1.0>     Checking objc2-system-configuration v0.3.2
tincd-deps-0.1.0>     Checking hybrid-array v0.4.10
tincd-deps-0.1.0>     Checking der v0.8.2
tincd-deps-0.1.0>     Checking crypto-bigint v0.7.5
tincd-deps-0.1.0>     Checking plist v1.10.0
tincd-deps-0.1.0>     Checking crypto-common v0.2.2
tincd-deps-0.1.0>     Checking block-buffer v0.12.0
tincd-deps-0.1.0>     Checking module-lattice v0.2.3
tincd-deps-0.1.0>     Checking spki v0.8.1
tincd-deps-0.1.0>     Checking pkcs1 v0.8.0-rc.5
tincd-deps-0.1.0>     Checking pkcs8 v0.11.0
tincd-deps-0.1.0>     Checking digest v0.11.2
tincd-deps-0.1.0>     Checking kem v0.3.0
tincd-deps-0.1.0>     Checking signature v3.0.0
tincd-deps-0.1.0>     Checking sha2 v0.11.0
tincd-deps-0.1.0>     Checking sha3 v0.11.0
tincd-deps-0.1.0>     Checking hmac v0.13.0
tincd-deps-0.1.0>     Checking shake v0.1.0
tincd-deps-0.1.0>     Checking ed25519 v3.0.0-rc.4
tincd-deps-0.1.0>     Checking ml-kem v0.3.2
tincd-deps-0.1.0>     Checking crypto-primes v0.7.2
tincd-deps-0.1.0>     Checking ed25519-dalek v3.0.0-pre.6
tincd-deps-0.1.0>     Checking rsa v0.10.0-rc.19
tincd-deps-0.1.0>     Finished `release` profile [optimized] target(s) in 8.93s
tincd-deps-0.1.0> +++ command cargo build --release -p tincd -p tinc-tools
tincd-deps-0.1.0>    Compiling cmov v0.5.3
tincd-deps-0.1.0>    Compiling rand_core v0.10.1
tincd-deps-0.1.0>    Compiling const-oid v0.10.2
tincd-deps-0.1.0>    Compiling cfg-if v1.0.4
tincd-deps-0.1.0>    Compiling bitflags v2.13.2
tincd-deps-0.1.0>    Compiling subtle v2.6.1
tincd-deps-0.1.0>    Compiling memchr v2.8.0
tincd-deps-0.1.0>    Compiling log v0.4.34
tincd-deps-0.1.0>    Compiling itoa v1.0.18
tincd-deps-0.1.0>    Compiling base64ct v1.8.3
tincd-deps-0.1.0>    Compiling typenum v1.19.0
tincd-deps-0.1.0>    Compiling libc v0.2.190
tincd-deps-0.1.0>    Compiling serde_core v1.0.229
tincd-deps-0.1.0>    Compiling num-traits v0.2.19
tincd-deps-0.1.0>    Compiling memoffset v0.9.1
tincd-deps-0.1.0>    Compiling objc2-encode v4.1.0
tincd-deps-0.1.0>    Compiling cpubits v0.1.1
tincd-deps-0.1.0>    Compiling tinc-proto v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-proto)
tincd-deps-0.1.0>    Compiling zeroize v1.9.1
tincd-deps-0.1.0>    Compiling thiserror v2.0.21
tincd-deps-0.1.0>    Compiling chunked_transfer v1.5.0
tincd-deps-0.1.0>    Compiling zmij v1.0.21
tincd-deps-0.1.0>    Compiling ascii v1.1.0
tincd-deps-0.1.0>    Compiling httpdate v1.0.3
tincd-deps-0.1.0>    Compiling powerfmt v0.2.0
tincd-deps-0.1.0>    Compiling equivalent v1.0.2
tincd-deps-0.1.0>    Compiling hashbrown v0.16.1
tincd-deps-0.1.0>    Compiling num-conv v0.2.1
tincd-deps-0.1.0>    Compiling time-core v0.1.8
tincd-deps-0.1.0>    Compiling base64 v0.23.1
tincd-deps-0.1.0>    Compiling base64 v0.22.1
tincd-deps-0.1.0>    Compiling adler2 v2.0.1
tincd-deps-0.1.0>    Compiling simd-adler32 v0.3.9
tincd-deps-0.1.0>    Compiling crc32fast v1.5.0
tincd-deps-0.1.0>    Compiling mac-addr v0.3.0
tincd-deps-0.1.0>    Compiling ipnet v2.12.0
tincd-deps-0.1.0>    Compiling sponge-cursor v0.1.0
tincd-deps-0.1.0>    Compiling twox-hash v2.1.2
tincd-deps-0.1.0>    Compiling zerocopy v0.8.62
tincd-deps-0.1.0>    Compiling deranged v0.5.8
tincd-deps-0.1.0>    Compiling env_filter v2.0.0
tincd-deps-0.1.0>    Compiling miniz_oxide v0.9.1
tincd-deps-0.1.0>    Compiling lz4_flex v0.14.0
tincd-deps-0.1.0>    Compiling slotmap v1.1.1
tincd-deps-0.1.0>    Compiling ctutils v0.4.2
tincd-deps-0.1.0>    Compiling env_logger v0.11.11
tincd-deps-0.1.0>    Compiling tiny_http v0.12.0
tincd-deps-0.1.0>    Compiling objc2 v0.6.4
tincd-deps-0.1.0>    Compiling pem-rfc7468 v1.0.0
tincd-deps-0.1.0>    Compiling der v0.8.2
tincd-deps-0.1.0>    Compiling quick-xml v0.41.0
tincd-deps-0.1.0>    Compiling flate2 v1.1.10
tincd-deps-0.1.0>    Compiling crypto-bigint v0.7.5
tincd-deps-0.1.0>    Compiling indexmap v2.13.1
tincd-deps-0.1.0>    Compiling hybrid-array v0.4.10
tincd-deps-0.1.0>    Compiling cpufeatures v0.3.0
tincd-deps-0.1.0>    Compiling getrandom v0.4.3
tincd-deps-0.1.0>    Compiling openssl-sys v0.9.117
tincd-deps-0.1.0>    Compiling nix v0.31.3
tincd-deps-0.1.0>    Compiling socket2 v0.6.5
tincd-deps-0.1.0>    Compiling keccak v0.2.0
tincd-deps-0.1.0>    Compiling time v0.3.47
tincd-deps-0.1.0>    Compiling block2 v0.6.2
tincd-deps-0.1.0>    Compiling dispatch2 v0.3.1
tincd-deps-0.1.0>    Compiling spki v0.8.1
tincd-deps-0.1.0>    Compiling crypto-common v0.2.2
tincd-deps-0.1.0>    Compiling block-buffer v0.12.0
tincd-deps-0.1.0>    Compiling module-lattice v0.2.3
tincd-deps-0.1.0>    Compiling pkcs8 v0.11.0
tincd-deps-0.1.0>    Compiling pkcs1 v0.8.0-rc.5
tincd-deps-0.1.0>    Compiling objc2-core-foundation v0.3.2
tincd-deps-0.1.0>    Compiling digest v0.11.2
tincd-deps-0.1.0>    Compiling kem v0.3.0
tincd-deps-0.1.0>    Compiling signature v3.0.0
tincd-deps-0.1.0>    Compiling sha2 v0.11.0
tincd-deps-0.1.0>    Compiling curve25519-dalek v5.0.0-pre.6
tincd-deps-0.1.0>    Compiling sha3 v0.11.0
tincd-deps-0.1.0>    Compiling hmac v0.13.0
tincd-deps-0.1.0>    Compiling shake v0.1.0
tincd-deps-0.1.0>    Compiling ed25519 v3.0.0-rc.4
tincd-deps-0.1.0>    Compiling serde v1.0.229
tincd-deps-0.1.0>    Compiling serde_json v1.0.151
tincd-deps-0.1.0>    Compiling ml-kem v0.3.2
tincd-deps-0.1.0>    Compiling ed25519-dalek v3.0.0-pre.6
tincd-deps-0.1.0>    Compiling plist v1.10.0
tincd-deps-0.1.0>    Compiling crypto-primes v0.7.2
tincd-deps-0.1.0>    Compiling objc2-system-configuration v0.3.2
tincd-deps-0.1.0>    Compiling tinc-crypto v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-crypto)
tincd-deps-0.1.0>    Compiling tinc-conf v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-conf)
tincd-deps-0.1.0>    Compiling tinc-sptps v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-sptps)
tincd-deps-0.1.0>    Compiling netdev v0.46.3
tincd-deps-0.1.0>    Compiling tinc-device v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-device)
tincd-deps-0.1.0>    Compiling tincd v0.1.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tincd)
tincd-deps-0.1.0>    Compiling rsa v0.10.0-rc.19
tincd-deps-0.1.0>    Compiling tinc-tools v0.0.0 (/private/var/tb/7/scratch/2948c5690cfe546e/build/source/crates/tinc-tools)
tincd-deps-0.1.0>     Finished `release` profile [optimized] target(s) in 22.15s
tincd-deps-0.1.0> buildPhase completed in 31 seconds
tincd-deps-0.1.0> Running phase: installPhase
tincd-deps-0.1.0> incremental zstd compression not currently supported on Darwin: https://github.com/rust-lang/rust/issues/115982
tincd-deps-0.1.0> doing a full archive install of target to /nix/store/f171cx2a30xn0f5qgn29csma6z6b05pd-tincd-deps-0.1.0/target.tar.zst
tincd-deps-0.1.0> /*stdin*\            : 23.85%   (   370 MiB =>   88.2 MiB, /nix/store/f171cx2a30xn0f5qgn29csma6z6b05pd-tincd-deps-0.1.0/target.tar.zst) 
tincd-deps-0.1.0> Running phase: fixupPhase
tincd-deps-0.1.0> checking for references to /private/var/tb/7/scratch/2948c5690cfe546e/build/ in /nix/store/f171cx2a30xn0f5qgn29csma6z6b05pd-tincd-deps-0.1.0...
tincd-deps-0.1.0> /nix/store/cv1d7p48379km6a85h4zp6kr86brh32q-audit-tmpdir.sh: line 39: 15677 Done                       find "$dir" -type f -not -path '*/.build-id/*' -print0
tincd-deps-0.1.0>      15679 Segmentation fault: 11     | while IFS= read -r -d '' file; do
tincd-deps-0.1.0>     if isELF "$file"; then
tincd-deps-0.1.0>         printf '%s\0' "$file" 1>&3;
tincd-deps-0.1.0>     else
tincd-deps-0.1.0>         if isScript "$file"; then
tincd-deps-0.1.0>             filename=${file##*/}; dir=${file%/*}; if [ -e "$dir/.$filename-wrapped" ]; then
tincd-deps-0.1.0>                 printf '%s\0' "$file" 1>&4;
tincd-deps-0.1.0>             fi;
tincd-deps-0.1.0>         fi;
tincd-deps-0.1.0>     fi;
tincd-deps-0.1.0> done
tincd-deps-0.1.0> patching script interpreter paths in /nix/store/f171cx2a30xn0f5qgn29csma6z6b05pd-tincd-deps-0.1.0
building '/nix/store/6q0gavqw7ji0k1lbasf3jmsnkiil74fz-tincd-clippy-0.1.0.drv'
tincd-clippy-0.1.0> tribuchet: building on mac02
tincd-clippy-0.1.0> Running phase: unpackPhase
tincd-clippy-0.1.0> unpacking source archive /nix/store/8lcygn0bbpqbxsrx3wvcdgkmina1j0dp-source
tincd-clippy-0.1.0> source root is source
tincd-clippy-0.1.0> Running phase: patchPhase
tincd-clippy-0.1.0> Executing configureCargoCommonVars
tincd-clippy-0.1.0> decompressing cargo artifacts from /nix/store/f171cx2a30xn0f5qgn29csma6z6b05pd-tincd-deps-0.1.0/target.tar.zst to target
tincd-clippy-0.1.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
tincd-clippy-0.1.0> Running phase: configurePhase
tincd-clippy-0.1.0> will append /private/var/tb/7/scratch/2350cc21e6f1cf85/build/source/.cargo-home/config.toml with contents of /nix/store/zahh5pgyr4ayjajxqdd0ckwr196fwyl9-vendor-cargo-deps/config.toml
tincd-clippy-0.1.0> default configurePhase, nothing to do
tincd-clippy-0.1.0> Running phase: buildPhase
tincd-clippy-0.1.0> +++ command cargo --version
tincd-clippy-0.1.0> cargo 1.97.0 (c980f4866 2026-06-30)
tincd-clippy-0.1.0> +++ command cargo clippy --release --workspace --all-targets -- -D warnings
tincd-clippy-0.1.0>    Compiling libc v0.2.190
tincd-clippy-0.1.0>    Compiling num-traits v0.2.19
tincd-clippy-0.1.0>     Checking tinc-proto v0.0.0 (/private/var/tb/7/scratch/2350cc21e6f1cf85/build/source/crates/tinc-proto)
tincd-clippy-0.1.0>    Compiling zerocopy v0.8.62
tincd-clippy-0.1.0>    Compiling rustix v1.1.4
tincd-clippy-0.1.0>     Checking once_cell v1.21.4
tincd-clippy-0.1.0>     Checking fastrand v2.4.0
tincd-clippy-0.1.0>     Checking errno v0.3.14
tincd-clippy-0.1.0>     Checking tinc-device v0.0.0 (/private/var/tb/7/scratch/2350cc21e6f1cf85/build/source/crates/tinc-device)
tincd-clippy-0.1.0>    Compiling getrandom v0.3.4
tincd-clippy-0.1.0>     Checking wait-timeout v0.2.1
tincd-clippy-0.1.0>     Checking quick-error v1.2.3
tincd-clippy-0.1.0>     Checking fnv v1.0.7
tincd-clippy-0.1.0>     Checking bit-vec v0.8.0
tincd-clippy-0.1.0>     Checking regex-syntax v0.8.11
tincd-clippy-0.1.0>     Checking unarray v0.1.4
tincd-clippy-0.1.0>     Checking arbitrary v1.5.0
tincd-clippy-0.1.0>     Checking inout v0.2.2
tincd-clippy-0.1.0>     Checking hex v0.4.3
tincd-clippy-0.1.0>     Checking bit-set v0.8.0
tincd-clippy-0.1.0>     Checking cipher v0.5.2
tincd-clippy-0.1.0> error: variable does not need to be mutable
tincd-clippy-0.1.0>    --> crates/tinc-device/tests/utun_batch.rs:163:13
tincd-clippy-0.1.0>     |
tincd-clippy-0.1.0> 163 |         let mut f = ip4_udp_frame([10, 98, 2, 2], [10, 98, 2, 1], 50000, port, 24 + i);
tincd-clippy-0.1.0>     |             ----^
tincd-clippy-0.1.0>     |             |
tincd-clippy-0.1.0>     |             help: remove this `mut`
tincd-clippy-0.1.0>     |
tincd-clippy-0.1.0>     = note: `-D unused-mut` implied by `-D warnings`
tincd-clippy-0.1.0>     = help: to override `-D warnings` add `#[allow(unused_mut)]`
tincd-clippy-0.1.0> 
tincd-clippy-0.1.0> error: could not compile `tinc-device` (test "utun_batch") due to 1 previous error
tincd-clippy-0.1.0> warning: build failed, waiting for other jobs to finish...
error: Cannot build '/nix/store/6q0gavqw7ji0k1lbasf3jmsnkiil74fz-tincd-clippy-0.1.0.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/gz64gvgl3w75sxcmvy25krwi37r1cw9f-tincd-clippy-0.1.0
       Last 25 log lines:
       >    Compiling getrandom v0.3.4
       >     Checking wait-timeout v0.2.1
       >     Checking quick-error v1.2.3
       >     Checking fnv v1.0.7
       >     Checking bit-vec v0.8.0
       >     Checking regex-syntax v0.8.11
       >     Checking unarray v0.1.4
       >     Checking arbitrary v1.5.0
       >     Checking inout v0.2.2
       >     Checking hex v0.4.3
       >     Checking bit-set v0.8.0
       >     Checking cipher v0.5.2
       > error: variable does not need to be mutable
       >    --> crates/tinc-device/tests/utun_batch.rs:163:13
       >     |
       > 163 |         let mut f = ip4_udp_frame([10, 98, 2, 2], [10, 98, 2, 1], 50000, port, 24 + i);
       >     |             ----^
       >     |             |
       >     |             help: remove this `mut`
       >     |
       >     = note: `-D unused-mut` implied by `-D warnings`
       >     = help: to override `-D warnings` add `#[allow(unused_mut)]`
       >
       > error: could not compile `tinc-device` (test "utun_batch") due to 1 previous error
       > warning: build failed, waiting for other jobs to finish...
       For full logs, run:
         nix log /nix/store/6q0gavqw7ji0k1lbasf3jmsnkiil74fz-tincd-clippy-0.1.0.drv