this derivation will be built:
  /nix/store/0fhzwrcigcnf0rzlhfq13vg5x6cq4bsg-treefmt-check.drv
building '/nix/store/0fhzwrcigcnf0rzlhfq13vg5x6cq4bsg-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/0fhzwrcigcnf0rzlhfq13vg5x6cq4bsg-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 63 files
treefmt-check> emitted 40 files for processing
treefmt-check> formatted 40 files (1 changed) in 94ms
treefmt-check>  M shells.nix
treefmt-check> diff --git a/shells.nix b/shells.nix
treefmt-check> index 12d20f1..3f872f4 100644
treefmt-check> --- a/shells.nix
treefmt-check> +++ b/shells.nix
treefmt-check> @@ -219,8 +219,12 @@
treefmt-check>        TC_RELR = mkRelr;
treefmt-check>        TC_GNU_PROPERTY = mkGnuProperty;
treefmt-check>        TC_TLS = mkCFlags stdenv "tls" "$CC -O2 ${./tests/sample_tls.c} -o hello";
treefmt-check> -      TC_STATIC_PIE = mkCFlags pkgsMusl.stdenv "static-pie" "$CC -static-pie -fPIE ${./tests/sample.c} -o hello";
treefmt-check> -      TC_MANY_NEEDED = mkCFlags stdenv "many-needed" "$CC -Wl,--no-as-needed ${./tests/sample.c} -lm -ldl -lpthread -lrt -o hello";
treefmt-check> +      TC_STATIC_PIE =
treefmt-check> +        mkCFlags pkgsMusl.stdenv "static-pie"
treefmt-check> +          "$CC -static-pie -fPIE ${./tests/sample.c} -o hello";
treefmt-check> +      TC_MANY_NEEDED =
treefmt-check> +        mkCFlags stdenv "many-needed"
treefmt-check> +          "$CC -Wl,--no-as-needed ${./tests/sample.c} -lm -ldl -lpthread -lrt -o hello";
treefmt-check>        TC_FORTRAN = mkLang "fortran" gfortran "gfortran ${./tests/sample.f90} -o hello";
treefmt-check>        TC_D = mkLang "d" ldc ''
treefmt-check>          cp ${./tests/sample.d} sample.d
error: build of '/nix/store/0fhzwrcigcnf0rzlhfq13vg5x6cq4bsg-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/0fhzwrcigcnf0rzlhfq13vg5x6cq4bsg-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/6pz689arc3cnh7cnc9l12l9rdmzwf41f-treefmt-check
       Last 23 log lines:
       > treefmt v2.5.0traversed 63 files
       > emitted 40 files for processing
       > formatted 40 files (1 changed) in 94ms
       >  M shells.nix
       > diff --git a/shells.nix b/shells.nix
       > index 12d20f1..3f872f4 100644
       > --- a/shells.nix
       > +++ b/shells.nix
       > @@ -219,8 +219,12 @@
       >        TC_RELR = mkRelr;
       >        TC_GNU_PROPERTY = mkGnuProperty;
       >        TC_TLS = mkCFlags stdenv "tls" "$CC -O2 ${./tests/sample_tls.c} -o hello";
       > -      TC_STATIC_PIE = mkCFlags pkgsMusl.stdenv "static-pie" "$CC -static-pie -fPIE ${./tests/sample.c} -o hello";
       > -      TC_MANY_NEEDED = mkCFlags stdenv "many-needed" "$CC -Wl,--no-as-needed ${./tests/sample.c} -lm -ldl -lpthread -lrt -o hello";
       > +      TC_STATIC_PIE =
       > +        mkCFlags pkgsMusl.stdenv "static-pie"
       > +          "$CC -static-pie -fPIE ${./tests/sample.c} -o hello";
       > +      TC_MANY_NEEDED =
       > +        mkCFlags stdenv "many-needed"
       > +          "$CC -Wl,--no-as-needed ${./tests/sample.c} -lm -ldl -lpthread -lrt -o hello";
       >        TC_FORTRAN = mkLang "fortran" gfortran "gfortran ${./tests/sample.f90} -o hello";
       >        TC_D = mkLang "d" ldc ''
       >          cp ${./tests/sample.d} sample.d
       For full logs, run:
         nix log /nix/store/0fhzwrcigcnf0rzlhfq13vg5x6cq4bsg-treefmt-check.drv
error: Cannot build '/nix/store/0fhzwrcigcnf0rzlhfq13vg5x6cq4bsg-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/6pz689arc3cnh7cnc9l12l9rdmzwf41f-treefmt-check