Error: nu::parser::name_is_builtin_var

  x `env` used as variable name.
    ,-[/Users/master/cyber/nox/.worktrees/no-std-dependencies/nox/audit/2026-10-17-published-api-baseline/compare.nu:38:17]
 37 |             let name = $'($side)-($feature)'
 38 |             let env = ($environment | upsert CARGO_TARGET_DIR ($cache | path join $name))
    :                 ^|^
    :                  `-- already a builtin variable
 39 |             let feature_args = (if $feature == std { [--features std] } else { [] })
    `----
  help: 'env' is the name of a builtin Nushell variable and cannot be used as
        a variable name


Homonyms

soft3/nox/audit/2026-10-17-published-api-baseline/pair-3/reproduction.stderr

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