Make pub(crate) fields private - #32

  /nix/store/ibxcbmdk3kpgazd4889chnnrmsky78ia-clippy-preview-1.82.0-aarch64-apple-darwin
  /nix/store/xl7k8yhvkjpg00c9da46h37zpd9r6iqb-command-error-deps-0.7.0
  /nix/store/h3ikg66csfmy7y6akc6bbcc47i0rqs1f-compiler-rt-libc-16.0.6
  /nix/store/fv74pj6wlk9gpapc4n7z09z3kl7h07ry-compiler-rt-libc-16.0.6-dev
  /nix/store/b7j95xd7yccclshfln10k843q2qf20yg-coreutils-9.5
  /nix/store/8a3dyq9kd9scbsqagfcasv3rkq749c60-curl-8.9.1
  /nix/store/xb5jrhn226vpndfixnqhbkff3sqwhiw7-diffutils-3.10
  /nix/store/sij643745n15gqwv0x9n0qk7ll2sdk5l-ed-1.20.2
  /nix/store/ywgblj4h10dn29vybj07vn207i5azagh-file-5.45
  /nix/store/q8pjl22r3x66x6dlk8w36a7axjlyl3rn-findutils-4.10.0
  /nix/store/lg1kmmrq2m5f6bv5lsdm222mldjchw9b-gettext-0.21.1
  /nix/store/bdgyka2y1xqc59jxqprgqf2xw8j7p675-gmp-with-cxx-6.3.0
  /nix/store/72mc1czlnl562srpq4lp2mnc4r6ljhs6-gnu-config-2024-01-01
  /nix/store/dxqp89x3g9z721ic4ddis07hwxqafn86-gnugrep-3.11
  /nix/store/xqd18p6bfh63xgy6r27ryj43m05sygfd-gnumake-4.4.1
  /nix/store/d24cyixkbbz680shw069dqn5fdhvpzxi-gnutar-1.35
  /nix/store/d5028hwgjz112d164lf94lmlww2151i0-gzip-1.13
  /nix/store/l9030qbbryprg1av8q7hazzjdi0dvv0a-inheritCargoArtifactsHook
  /nix/store/rsmlgpdp44v8g45p1gr5x36l1bgf70r5-krb5-1.21.3-lib
  /nix/store/w3l0xrb9h882iczf4770cz5n9fl5zy6f-ld64-951.9
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  /nix/store/5imw4a1s1sp5ywmqkkf7nmmsxcplmxx6-libidn2-2.3.7
  /nix/store/3cmjqi371abl1amwrm5v653ls2cq3kc0-libobjc-11.0.0
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  /nix/store/5f5dfs4xcs2bjvkfhycny2axi74cg06f-libunistring-1.2
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  /nix/store/2p3yxdqjfqm5ralypnyzwff37pvx1cdb-ncurses-6.4.20221231
  /nix/store/81qs29largy1z3rpmsvjrc5b73qgiilx-nghttp2-1.63.0-lib
  /nix/store/bspfv8ak9zyjv5dy1nynvd268jr49fnd-patch-2.7.6
  /nix/store/dbvsk5qizdkj71zfq63hm6sxa3b1djms-rsync-3.3.0
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  /nix/store/j6jvdawyfd0c8ij5akndfv7b8kprp8z6-rustc-1.82.0-aarch64-apple-darwin
  /nix/store/iq2ak2qbdnpwgw4bl00iv0527z8vh1dj-rustfmt-preview-1.82.0-aarch64-apple-darwin
  /nix/store/n448mady6y4h4qhk814fjq4wsinffr49-stdenv-darwin
  /nix/store/syx6vrzzglmdfbn26r0lh3ngq6bmm5xh-stdenv-darwin
  /nix/store/812g2m2kgay7gd2l1q170jmql2kj2x1n-update-autotools-gnu-config-scripts-hook
  /nix/store/nnjc1vr351f2f12jdsj8zxbhv5azad34-xar-498-lib
  /nix/store/1fjk2lqalqvh9xbzxfykvzy8hrhr5va2-zstd-1.5.6
  /nix/store/g2lqcpmqbvjva0a3hnkn1hjrnrd16m6i-zstd-1.5.6-bin
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command-error-doctest-0.7.0> Running phase: unpackPhase
command-error-doctest-0.7.0> unpacking source archive /nix/store/igj1hwl2zairjbh8sjjrwp1g36cbiyrq-source
command-error-doctest-0.7.0> source root is source
command-error-doctest-0.7.0> Running phase: patchPhase
command-error-doctest-0.7.0> Executing configureCargoCommonVars
command-error-doctest-0.7.0> decompressing cargo artifacts from /nix/store/xl7k8yhvkjpg00c9da46h37zpd9r6iqb-command-error-deps-0.7.0/target.tar.zst to target
command-error-doctest-0.7.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
command-error-doctest-0.7.0> Running phase: configurePhase
command-error-doctest-0.7.0> will append /private/tmp/nix-build-command-error-doctest-0.7.0.drv-0/source/.cargo-home/config.toml with contents of /nix/store/2c2r5yq8mmx0mrfpz6nzn4nfr4zq9kjm-vendor-cargo-deps/config.toml
command-error-doctest-0.7.0> default configurePhase, nothing to do
command-error-doctest-0.7.0> Running phase: buildPhase
command-error-doctest-0.7.0> ++ command cargo --version
command-error-doctest-0.7.0> cargo 1.82.0 (8f40fc59f 2024-08-21)
command-error-doctest-0.7.0> Running phase: checkPhase
command-error-doctest-0.7.0> ++ command cargo test --release --doc --locked
command-error-doctest-0.7.0>    Compiling command-error v0.7.0 (/private/tmp/nix-build-command-error-doctest-0.7.0.drv-0/source)
command-error-doctest-0.7.0>     Finished `release` profile [optimized] target(s) in 0.63s
command-error-doctest-0.7.0>    Doc-tests command_error
command-error-doctest-0.7.0> 
command-error-doctest-0.7.0> running 20 tests
command-error-doctest-0.7.0> test src/command_display.rs - command_display::CommandDisplay::args (line 54) ... ok
command-error-doctest-0.7.0> test src/command_display.rs - command_display::CommandDisplay::program (line 22) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt::output_checked_as (line 72) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt (line 22) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt::output_checked (line 216) ... ok
command-error-doctest-0.7.0> test src/command_display.rs - command_display::CommandDisplay::program_quoted (line 37) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt::output_checked_with (line 137) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt::output_checked_utf8 (line 267) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt::output_checked_with (line 167) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt::status_checked (line 428) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt::output_checked_with_utf8 (line 305) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt::spawn_checked (line 467) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt::status_checked_as (line 342) ... ok
command-error-doctest-0.7.0> test src/lib.rs - (line 4) ... ok
command-error-doctest-0.7.0> test src/command_ext.rs - command_ext::CommandExt::status_checked_with (line 390) ... ok
command-error-doctest-0.7.0> test src/exec_error.rs - exec_error::ExecError (line 17) ... ok
command-error-doctest-0.7.0> test src/output_conversion_error.rs - output_conversion_error::OutputConversionError (line 23) ... ok
command-error-doctest-0.7.0> test src/utf8_program_and_args.rs - utf8_program_and_args::Utf8ProgramAndArgs (line 12) ... ok
command-error-doctest-0.7.0> test src/output_error.rs - output_error::OutputError (line 20) ... ok
command-error-doctest-0.7.0> test src/wait_error.rs - wait_error::WaitError (line 12) ... ok
command-error-doctest-0.7.0> 
command-error-doctest-0.7.0> test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.09s
command-error-doctest-0.7.0> 
command-error-doctest-0.7.0> Running phase: installPhase
command-error-doctest-0.7.0> incremental zstd compression not currently supported on Darwin: https://github.com/rust-lang/rust/issues/115982
command-error-doctest-0.7.0> doing a full archive install of target to /nix/store/vywz6fmk38ghc0q40687c5yfwk1v1afp-command-error-doctest-0.7.0/target.tar.zst
command-error-doctest-0.7.0> /*stdin*\            : 26.22%   (  53.6 MiB =>   14.1 MiB, /nix/store/vywz6fmk38ghc0q40687c5yfwk1v1afp-command-error-doctest-0.7.0/target.tar.zst) 
command-error-doctest-0.7.0> Running phase: fixupPhase
command-error-doctest-0.7.0> checking for references to /private/tmp/nix-build-command-error-doctest-0.7.0.drv-0/ in /nix/store/vywz6fmk38ghc0q40687c5yfwk1v1afp-command-error-doctest-0.7.0...
command-error-doctest-0.7.0> patching script interpreter paths in /nix/store/vywz6fmk38ghc0q40687c5yfwk1v1afp-command-error-doctest-0.7.0