Log File

check flags:
building check-recursive
- Making check in grammar
- make[1]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/grammar'
  - make[1]: Nothing to be done for `check'.
  - make[1]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/grammar'
- Making check in sdf-checker
- make[1]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/sdf-checker'
  - building check-recursive
    
    Making check in src
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/sdf-checker/src'
    
    make[2]: Nothing to be done for `check'.
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/sdf-checker/src'
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/sdf-checker'
    
    make[2]: Nothing to be done for `check-am'.
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/sdf-checker'
  - make[1]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/sdf-checker'
- Making check in src
- make[1]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/src'
  - building check-am
    
    make test-chars
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/src'
    
    building test-chars.o
    gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE=\"pgen\" -DVERSION=\"2.8.1\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -D__EXTENSIONS__=1 -D_ALL_SOURCE=1 -D_GNU_SOURCE=1 -D_POSIX_PTHREAD_SEMANTICS=1 -D_TANDEM_SOURCE=1 -DALIGNOF_VOID_P=4 -DSIZEOF_VOID_P=4 -DSIZEOF_INT=4 -DSIZEOF_LONG=4 -DSIZEOF_DOUBLE=8 -I. -I. -DFAST_API -I/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/include/...-aterm-2.6pre24721-hl4j0mla/include -I/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/include/...-error-support-1.6pre26366-s8fj5x3r/include -I/nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/include/...-toolbuslib-1.2pre27200-b2c4b949/include -I/nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s/include/...-pt-support-2.4pre26591-cgpz6k1s/include -I/nix/store/rnchnk8g3526l9ynaz3jm98nnnck8ijq-sglr-4.5.4pre28358-3nghvwyp/include/...-sglr-4.5.4pre28358-3nghvwyp/include -I/nix/store/j212c05hhbf7aylpx8p32skan59x3igx-c-library-1.2pre26356-9y3lkany/include/...-c-library-1.2pre26356-9y3lkany/include -I/nix/store/9pf5ifrpxi1psliljsr0ykdz4kbark6q-ptable-support-1.2pre26381-yx5nissk/include/...-ptable-support-1.2pre26381-yx5nissk/include -I/nix/store/si2n1h77kfy1z70lvly2z4klxzhbvqrd-config-support-1.4pre26488-riapa2qr/include/...-config-support-1.4pre26488-riapa2qr/include -I/nix/store/hjbswvddls3bpgi1havfv521j6bxfns7-tide-support-1.3.1pre26399-q2zp96g9/include/...-tide-support-1.3.1pre26399-q2zp96g9/include -I/nix/store/l6ys4j3400wngjbv0y3i4zfh9g057f56-asc-support-2.4pre25044-q7sxh1h9/include/...-asc-support-2.4pre25044-q7sxh1h9/include -I/nix/store/lf0y7jwhr9qjni5qr6hmmrxjllg5azzx-asf-support-1.8pre26353-2c8xh0by/include/...-asf-support-1.8pre26353-2c8xh0by/include -I/nix/store/2pgnnln4c5b9zkmp9md1a5jbfgmsgby2-relation-stores-0.1.1pre25249-96m912kk/include/...-relation-stores-0.1.1pre25249-96m912kk/include -DFAST_API -I/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/include/...-aterm-2.6pre24721-hl4j0mla/include -I/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/include/...-error-support-1.6pre26366-s8fj5x3r/include -I/nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/include/...-toolbuslib-1.2pre27200-b2c4b949/include -I/nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s/include/...-pt-support-2.4pre26591-cgpz6k1s/include -I/nix/store/c6l5bj4aawa45v41ranqfjfr8ldfghfa-sdf-support-2.5pre26415-41dxdnfi/include/...-sdf-support-2.5pre26415-41dxdnfi/include -DFAST_API -I/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/include/...-aterm-2.6pre24721-hl4j0mla/include -I/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/include/...-error-support-1.6pre26366-s8fj5x3r/include -I/nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/include/...-toolbuslib-1.2pre27200-b2c4b949/include -I/nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s/include/...-pt-support-2.4pre26591-cgpz6k1s/include -I/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/include/...-aterm-2.6pre24721-hl4j0mla/include -I/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/include/...-error-support-1.6pre26366-s8fj5x3r/include -I/nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/include/...-toolbuslib-1.2pre27200-b2c4b949/include -I/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/include/...-aterm-2.6pre24721-hl4j0mla/include -I/nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/include/...-toolbuslib-1.2pre27200-b2c4b949/include -I/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/include/...-aterm-2.6pre24721-hl4j0mla/include -DFAST_API -I/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/include/...-aterm-2.6pre24721-hl4j0mla/include -I/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/include/...-error-support-1.6pre26366-s8fj5x3r/include -I/nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/include/...-toolbuslib-1.2pre27200-b2c4b949/include -I/nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s/include/...-pt-support-2.4pre26591-cgpz6k1s/include -I/nix/store/9pf5ifrpxi1psliljsr0ykdz4kbark6q-ptable-support-1.2pre26381-yx5nissk/include/...-ptable-support-1.2pre26381-yx5nissk/include -I/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/include/...-aterm-2.6pre24721-hl4j0mla/include -I/nix/store/si2n1h77kfy1z70lvly2z4klxzhbvqrd-config-support-1.4pre26488-riapa2qr/include/...-config-support-1.4pre26488-riapa2qr/include -I/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/include/...-aterm-2.6pre24721-hl4j0mla/include -I/nix/store/j212c05hhbf7aylpx8p32skan59x3igx-c-library-1.2pre26356-9y3lkany/include/...-c-library-1.2pre26356-9y3lkany/include -g -O2 -c test-chars.c
    
    building test-chars
    
    /bin/sh ../libtool --tag=CC --mode=link gcc -g -O2 -o test-chars test-chars.o characters.o pgen-symbol.o -L/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/lib/...-aterm-2.6pre24721-hl4j0mla/lib -lATerm -L/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/lib/...-aterm-2.6pre24721-hl4j0mla/lib -L/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/lib/...-error-support-1.6pre26366-s8fj5x3r/lib -L/nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/lib/...-toolbuslib-1.2pre27200-b2c4b949/lib -L/nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s/lib/...-pt-support-2.4pre26591-cgpz6k1s/lib -lmept -lPTMEPT -lErrorAPI -lLocationAPI -lATB -lnsl -lATerm
    
    gcc -g -O2 -o test-chars test-chars.o characters.o pgen-symbol.o -L/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/lib/...-aterm-2.6pre24721-hl4j0mla/lib -L/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/lib/...-error-support-1.6pre26366-s8fj5x3r/lib -L/nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/lib/...-toolbuslib-1.2pre27200-b2c4b949/lib -L/nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s/lib/...-pt-support-2.4pre26591-cgpz6k1s/lib /nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s/lib/libPTMEPT.so/...-pt-support-2.4pre26591-cgpz6k1s/lib/libPTMEPT.so /nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s/lib/libmept.so/...-pt-support-2.4pre26591-cgpz6k1s/lib/libmept.so /nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/lib/libErrorAPI.so/...-error-support-1.6pre26366-s8fj5x3r/lib/libErrorAPI.so /nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/lib/libLocationAPI.so/...-error-support-1.6pre26366-s8fj5x3r/lib/libLocationAPI.so /nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/lib/libATB.so/...-toolbuslib-1.2pre27200-b2c4b949/lib/libATB.so -lnsl /nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/lib/libATerm.so/...-aterm-2.6pre24721-hl4j0mla/lib/libATerm.so -Wl,--rpath -Wl,/nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s/lib/...-pt-support-2.4pre26591-cgpz6k1s/lib -Wl,--rpath -Wl,/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/lib/...-error-support-1.6pre26366-s8fj5x3r/lib -Wl,--rpath -Wl,/nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/lib/...-toolbuslib-1.2pre27200-b2c4b949/lib -Wl,--rpath -Wl,/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/lib/...-aterm-2.6pre24721-hl4j0mla/lib -Wl,--rpath -Wl,/nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s/lib/...-pt-support-2.4pre26591-cgpz6k1s/lib -Wl,--rpath -Wl,/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r/lib/...-error-support-1.6pre26366-s8fj5x3r/lib -Wl,--rpath -Wl,/nix/store/yjamhwin062ap6dfwifspvap5vw5hypy-toolbuslib-1.2pre27200-b2c4b949/lib/...-toolbuslib-1.2pre27200-b2c4b949/lib -Wl,--rpath -Wl,/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla/lib/...-aterm-2.6pre24721-hl4j0mla/lib
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/src'
    
    make check-TESTS
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/src'
    
    building check-TESTS
    
    PASS: test-chars
    
    ==================
    
    All 1 tests passed
    
    ==================
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/src'
  - make[1]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/src'
- Making check in test
- make[1]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test'
  - building check-recursive
    
    Making check in grammars
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test/grammars'
    
    make[2]: Nothing to be done for `check'.
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test/grammars'
    
    Making check in tables
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test/tables'
    
    make[2]: Nothing to be done for `check'.
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test/tables'
    
    Making check in terms
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test/terms'
    
    make[2]: Nothing to be done for `check'.
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test/terms'
    
    Making check in erroneous
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test/erroneous'
    
    make[2]: Nothing to be done for `check'.
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test/erroneous'
    
    Making check in modules
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test/modules'
    
    make[2]: Nothing to be done for `check'.
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test/modules'
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test'
    
    building check-am
    
    make check-TESTS
    
    make[3]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test'
    
    building regressionTests
    sed "s@__TOP_BUILDDIR__@..@g;\� s@__TOP_SRCDIR__@..@g;\� s@__SGLR__@/nix/store/rnchnk8g3526l9ynaz3jm98nnnck8ijq-sglr-4.5.4pre28358-3nghvwyp@g/...-sglr-4.5.4pre28358-3nghvwyp@g;\� s@__PT_SUPPORT__@/nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s@g/...-pt-support-2.4pre26591-cgpz6k1s@g;\� s@__ERROR_SUPPORT__@/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r@g/...-error-support-1.6pre26366-s8fj5x3r@g;\� s@__ATERM__@/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla@g"/...-aterm-2.6pre24721-hl4j0mla@g" < regressionTests.sh.src > regressionTests && \� chmod +x regressionTests
    
    building loadTests
    sed "s@__TOP_BUILDDIR__@..@g;\� s@__TOP_SRCDIR__@..@g;\� s@__SGLR__@/nix/store/rnchnk8g3526l9ynaz3jm98nnnck8ijq-sglr-4.5.4pre28358-3nghvwyp@g/...-sglr-4.5.4pre28358-3nghvwyp@g;\� s@__PT_SUPPORT__@/nix/store/g8zpbaaqfim4crbv3xgg09mbhgx1lrnh-pt-support-2.4pre26591-cgpz6k1s@g/...-pt-support-2.4pre26591-cgpz6k1s@g;\� s@__ERROR_SUPPORT__@/nix/store/x33pz1kwpr3wrznwfwvd3if34xk7xzgr-error-support-1.6pre26366-s8fj5x3r@g/...-error-support-1.6pre26366-s8fj5x3r@g;\� s@__ATERM__@/nix/store/l0xx5qzvfjazh9y0p05vh686iw3jm07z-aterm-2.6pre24721-hl4j0mla@g"/...-aterm-2.6pre24721-hl4j0mla@g" < loadTests.sh.src > loadTests && \� chmod +x loadTests
    
    building check-TESTS
    
    ./regressionTests: line 270: ../test/termsCommandLines: No such file or directory
    
    ./regressionTests: line 293: ../test/erroneousCommandLines: No such file or directory
    
    PASS: regressionTests
    
    .PASS: loadTests
    
    ==================
    
    All 2 tests passed
    
    ==================
    
    make[3]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test'
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test'
  - make[1]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/test'
- Making check in removevarsyntax
- make[1]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/removevarsyntax'
  - building check-recursive
    
    Making check in src
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/removevarsyntax/src'
    
    make[2]: Nothing to be done for `check'.
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/removevarsyntax/src'
    
    make[2]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/removevarsyntax'
    
    make[2]: Nothing to be done for `check-am'.
    
    make[2]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/removevarsyntax'
  - make[1]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1/removevarsyntax'
- make[1]: Entering directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1'
  - make[1]: Nothing to be done for `check-am'.
  - make[1]: Leaving directory `/tmp/nix-build-h8634354cw4pzzhx4dcnpqbizkhhfkrh-pgen.drv-0/pgen-2.8.1'