these paths will be fetched (1.39 MiB download, 10.14 MiB unpacked):
  /nix/store/p65fmkm7r8m1vrjfdlbfz57fycvfr6si-bash-4.4-p23
  /nix/store/rm57v73531vqxmmrqbdhsgbw19kzjg76-texinfo-6.5
copying path '/nix/store/p65fmkm7r8m1vrjfdlbfz57fycvfr6si-bash-4.4-p23' from 'https://cache.nixos.org'...
copying path '/nix/store/rm57v73531vqxmmrqbdhsgbw19kzjg76-texinfo-6.5' from 'https://cache.nixos.org'...
/nix/store/p65fmkm7r8m1vrjfdlbfz57fycvfr6si-bash-4.4-p23
/nix/store/rm57v73531vqxmmrqbdhsgbw19kzjg76-texinfo-6.5

    gengtype.o gengtype-lex.o gengtype-parse.o gengtype-state.o version.o errors.o libcommon.a ../libcpp/libcpp.a ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a ../libbacktrace/.libs/libbacktrace.a libcommon.a ../libcpp/libcpp.a   ../libbacktrace/.libs/libbacktrace.a ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a
rm -rf libbackend.a
ar rcT libbackend.a gimple-match.o generic-match.o insn-attrtab.o insn-automata.o insn-dfatab.o insn-emit.o insn-extract.o insn-latencytab.o insn-modes.o insn-opinit.o insn-output.o insn-peep.o insn-preds.o insn-recog.o insn-enums.o ggc-page.o alias.o alloc-pool.o auto-inc-dec.o auto-profile.o bb-reorder.o bitmap.o bt-load.o builtins.o caller-save.o calls.o ccmp.o cfg.o cfganal.o cfgbuild.o cfgcleanup.o cfgexpand.o cfghooks.o cfgloop.o cfgloopanal.o cfgloopmanip.o cfgrtl.o symtab.o cgraph.o cgraphbuild.o cgraphunit.o cgraphclones.o cilk-common.o combine.o combine-stack-adj.o compare-elim.o context.o convert.o coverage.o cppbuiltin.o cppdefault.o cprop.o cse.o cselib.o data-streamer.o data-streamer-in.o data-streamer-out.o dbxout.o dbgcnt.o dce.o ddg.o debug.o df-core.o df-problems.o df-scan.o dfp.o dojump.o dominance.o domwalk.o double-int.o dse.o dumpfile.o dwarf2asm.o dwarf2cfi.o dwarf2out.o emit-rtl.o et-forest.o except.o explow.o expmed.o expr.o fibonacci_heap.o final.o fixed-value.o fold-const.o fold-const-call.o function.o function-tests.o fwprop.o gcc-rich-location.o gcse.o gcse-common.o ggc-common.o ggc-tests.o gimple.o gimple-builder.o gimple-expr.o gimple-iterator.o gimple-fold.o gimple-laddress.o gimple-low.o gimple-pretty-print.o gimple-ssa-backprop.o gimple-ssa-isolate-paths.o gimple-ssa-nonnull-compare.o gimple-ssa-split-paths.o gimple-ssa-store-merging.o gimple-ssa-strength-reduction.o gimple-ssa-sprintf.o gimple-ssa-warn-alloca.o gimple-streamer-in.o gimple-streamer-out.o gimple-walk.o gimplify.o gimplify-me.o godump.o graph.o graphds.o graphite.o graphite-isl-ast-to-gimple.o graphite-dependences.o graphite-optimize-isl.o graphite-poly.o graphite-scop-detection.o graphite-sese-to-poly.o gtype-desc.o haifa-sched.o hash-map-tests.o hash-set-tests.o hsa-common.o hsa-gen.o hsa-regalloc.o hsa-brig.o hsa-dump.o hw-doloop.o hwint.o ifcvt.o ree.o inchash.o incpath.o init-regs.o internal-fn.o ipa-chkp.o ipa-cp.o ipa-devirt.o ipa-polymorphic-call.o ipa-split.o ipa-inline.o ipa-comdats.o ipa-visibility.o ipa-inline-analysis.o ipa-inline-transform.o ipa-profile.o ipa-prop.o ipa-pure-const.o ipa-icf.o ipa-icf-gimple.o ipa-reference.o ipa-hsa.o ipa-ref.o ipa-utils.o ipa.o ira.o ira-build.o ira-costs.o ira-conflicts.o ira-color.o ira-emit.o ira-lives.o jump.o langhooks.o lcm.o lists.o loop-doloop.o loop-init.o loop-invariant.o loop-iv.o loop-unroll.o lower-subreg.o lra.o lra-assigns.o lra-coalesce.o lra-constraints.o lra-eliminations.o lra-lives.o lra-remat.o lra-spills.o lto-cgraph.o lto-streamer.o lto-streamer-in.o lto-streamer-out.o lto-section-in.o lto-section-out.o lto-opts.o lto-compress.o mcf.o mode-switching.o modulo-sched.o multiple_target.o omp-offload.o omp-expand.o omp-general.o omp-grid.o omp-low.o omp-simd-clone.o optabs.o optabs-libfuncs.o optabs-query.o optabs-tree.o options-save.o opts-global.o passes.o plugin.o postreload-gcse.o postreload.o predict.o print-rtl.o print-rtl-function.o print-tree.o profile.o read-md.o read-rtl.o read-rtl-function.o real.o realmpfr.o recog.o reg-stack.o regcprop.o reginfo.o regrename.o regstat.o reload.o reload1.o reorg.o resource.o rtl-chkp.o rtl-error.o rtl-tests.o rtl.o rtlhash.o rtlanal.o rtlhooks.o run-rtl-passes.o sbitmap.o sched-deps.o sched-ebb.o sched-rgn.o sdbout.o sel-sched-ir.o sel-sched-dump.o sel-sched.o selftest-rtl.o selftest-run-tests.o sese.o shrink-wrap.o simplify-rtx.o sparseset.o spellcheck.o spellcheck-tree.o sreal.o stack-ptr-mod.o statistics.o stmt.o stor-layout.o store-motion.o streamer-hooks.o stringpool.o substring-locations.o target-globals.o targhooks.o timevar.o toplev.o tracer.o trans-mem.o tree-affine.o asan.o tsan.o ubsan.o sanopt.o sancov.o tree-call-cdce.o tree-cfg.o tree-cfgcleanup.o tree-chrec.o tree-complex.o tree-data-ref.o tree-dfa.o tree-diagnostic.o tree-dump.o tree-eh.o tree-emutls.o tree-if-conv.o tree-inline.o tree-into-ssa.o tree-iterator.o tree-loop-distribution.o tree-nested.o tree-nrv.o tree-object-size.o tree-outof-ssa.o tree-parloops.o tree-phinodes.o tree-chkp.o tree-chkp-opt.o tree-predcom.o tree-pretty-print.o tree-profile.o tree-scalar-evolution.o tree-sra.o tree-switch-conversion.o tree-ssa-address.o tree-ssa-alias.o tree-ssa-ccp.o tree-ssa-coalesce.o tree-ssa-copy.o tree-ssa-dce.o tree-ssa-dom.o tree-ssa-dse.o tree-ssa-forwprop.o tree-ssa-ifcombine.o tree-ssa-live.o tree-ssa-loop-ch.o tree-ssa-loop-im.o tree-ssa-loop-ivcanon.o tree-ssa-loop-ivopts.o tree-ssa-loop-manip.o tree-ssa-loop-niter.o tree-ssa-loop-prefetch.o tree-ssa-loop-split.o tree-ssa-loop-unswitch.o tree-ssa-loop.o tree-ssa-math-opts.o tree-ssa-operands.o tree-ssa-phionlycprop.o tree-ssa-phiopt.o tree-ssa-phiprop.o tree-ssa-pre.o tree-ssa-propagate.o tree-ssa-reassoc.o tree-ssa-sccvn.o tree-ssa-scopedtables.o tree-ssa-sink.o tree-ssa-strlen.o tree-ssa-structalias.o tree-ssa-tail-merge.o tree-ssa-ter.o tree-ssa-threadbackward.o tree-ssa-threadedge.o tree-ssa-threadupdate.o tree-ssa-uncprop.o tree-ssa-uninit.o tree-ssa.o tree-ssanames.o tree-stdarg.o tree-streamer.o tree-streamer-in.o tree-streamer-out.o tree-tailcall.o tree-vect-generic.o tree-vect-patterns.o tree-vect-data-refs.o tree-vect-stmts.o tree-vect-loop.o tree-vect-loop-manip.o tree-vect-slp.o tree-vectorizer.o tree-vrp.o tree.o typed-splay-tree.o valtrack.o value-prof.o var-tracking.o varasm.o varpool.o vmsdbgout.o vtable-verify.o web.o wide-int.o wide-int-print.o xcoffout.o aarch64.o aarch64-builtins.o aarch-common.o cortex-a57-fma-steering.o linux.o host-linux.o
building of '/nix/store/yn1jlhzvq7b0ywdw3z7q6mcpji5ynwh9-gcc-7.3.0.drv' timed out after 3600 seconds
cannot build derivation '/nix/store/3b4w36w2sjjqgxh6spn1kw3by8ay1bg2-bootstrap-stage4-gcc-wrapper-7.3.0.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/1yxvcfd2zca4f5xkzh5vgybaapx0z7kr-bootstrap-stage4-stdenv-linux.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/zwwdjnkm2a82fgz5nanslw44jlkqwxhp-bash-4.4-p23.drv': 2 dependencies couldn't be built
cannot build derivation '/nix/store/293bm8lkalb5vbbrq1a3dz4jhgw74f10-xz-5.2.4.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/1dbb8b0kci9pcinrifspwpkpnly88yg6-texinfo-6.5.drv': 3 dependencies couldn't be built
error: build of '/nix/store/1dbb8b0kci9pcinrifspwpkpnly88yg6-texinfo-6.5.drv', '/nix/store/zwwdjnkm2a82fgz5nanslw44jlkqwxhp-bash-4.4-p23.drv' failed