Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies: npm : Depends: nodejs (>= 6.11~)
   Depends: node-ansistyles (>= 0.1.3~) but it is not going to be installed
   Depends: node-aproba (>= 1.2~) but it is not going to be installed
   Depends: node-archy (>= 1.0~) but it is not going to be installed
   Depends: node-cacache (>= 10.0.4~) but it is not going to be installed
   Depends: node-bluebird (>= 3.5.1~) but it is not going to be installed
   Depends: node-call-limit (>= 1.1~) but it is not going to be installed
   Depends: node-chownr (>= 1.0.1~) but it is not going to be installed
   Depends: node-config-chain (>= 1.1.11~) but it is not going to be installed
   Depends: node-detect-indent (>= 5.0~) but it is not going to be installed
   Depends: node-detect-newline (>= 2.1~) but it is not going to be installed
   Depends: node-editor (>= 1.0~) but it is not going to be installed
   Depends: node-fs-vacuum (>= 1.2.10~) but it is not going to be installed
   Depends: node-fs-write-stream-atomic (>= 1.0.10~) but it is not going to be installed
   Depends: node-glob (>= 7.1.2~) but it is not going to be installed
   Depends: node-graceful-fs (>= 4.1.11~) but it is not going to be installed
   Depends: node-has-unicode (>= 2.0.1~) but it is not going to be installed
   Depends: node-hosted-git-info (>= 2.6~) but it is not going to be installed
   Depends: node-iferr (>= 0.1.5~) but it is not going to be installed
   Depends: node-inflight (>= 1.0.6~) but it is not going to be installed
   Depends: node-inherits (>= 2.0.3~) but it is not going to be installed
   Depends: node-ini (>= 1.3.5~) but it is not going to be installed
   Depends: node-npm-package-arg but it is not going to be installed
   Depends: node-promzard but it is not going to be installed
   Depends: node-jsonstream (>= 1.3.2~) but it is not going to be installed
   Depends: node-json-parse-better-errors (>= 1.0.1~) but it is not going to be installed
   Depends: node-lazy-property (>= 1.0~) but it is not going to be installed
   Depends: node-libnpx (>= 10.0.1~) but it is not going to be installed
   Depends: node-lockfile (>= 1.0.3~) but it is not going to be installed
   Depends: node-lru-cache (>= 4.1.1~) but it is not going to be installed
   Depends: node-mississippi (>= 3.0~) but it is not going to be installed
   Depends: node-mkdirp (>= 0.3.3) but it is not going to be installed
   Depends: node-move-concurrently (>= 1.0.1~) but it is not going to be installed
   Depends: node-nopt but it is not going to be installed
   Depends: node-normalize-package-data (>= 2.4~) but it is not going to be installed
   Depends: node-gyp (>= 3.6.2~) but it is not going to be installed
   Depends: node-resolve-from (>= 4.0~) but it is not going to be installed
   Depends: node-encoding but it is not going to be installed
   Depends: node-errno but it is not going to be installed
   Depends: node-npmlog (>= 4.1.2~) but it is not going to be installed
   Depends: node-once (>= 1.4~) but it is not going to be installed
   Depends: node-opener (>= 1.4.3~) but it is not going to be installed
   Depends: node-osenv (>= 0.1.5~) but it is not going to be installed
   Depends: node-path-is-inside (>= 1.0.2~) but it is not going to be installed
   Depends: node-promise-inflight (>= 1.0.1~) but it is not going to be installed
   Depends: node-ansi but it is not going to be installed
   Depends: node-qw (>= 1.0.1~) but it is not going to be installed
   Depends: node-read (>= 1.0.7~) but it is not going to be installed
   Depends: node-read-package-json (>= 2.0.13~) but it is not going to be installed
   Depends: node-request (>= 2.83~) but it is not going to be installed
   Depends: node-retry (>= 0.10.1~) but it is not going to be installed
   Depends: node-rimraf (>= 2.6.2~) but it is not going to be installed
   Depends: node-safe-buffer (>= 5.1.1~) but it is not going to be installed
   Depends: node-semver (>= 5.5~) but it is not going to be installed
   Depends: node-sha (>= 2.0.1~) but it is not going to be installed
   Depends: node-slide (>= 1.1.6~) but it is not going to be installed
   Depends: node-sorted-object (>= 2.0.1~) but it is not going to be installed
   Depends: node-from2 but it is not going to be installed
   Depends: node-stream-iterate but it is not going to be installed
   Depends: node-ssri (>= 5.2.4~) but it is not going to be installed
   Depends: node-strip-ansi (>= 4.0~) but it is not going to be installed
   Depends: node-tar (>= 4.4~) but it is not going to be installed
   Depends: node-text-table (>= 0.2~) but it is not going to be installed
   Depends: node-uid-number (>= 0.0.6~) but it is not going to be installed
   Depends: node-unique-filename (>= 1.1~) but it is not going to be installed
   Depends: node-unpipe (>= 1.0~) but it is not going to be installed
   Depends: node-boxen (>= 1.2.1~) but it is not going to be installed
   Depends: node-import-lazy but it is not going to be installed
   Depends: node-is-npm (>= 1.0~) but it is not going to be installed
   Depends: node-latest-version (>= 3.0~) but it is not going to be installed
   Depends: node-semver-diff (>= 2.0~) but it is not going to be installed
   Depends: node-xdg-basedir (>= 3.0~) but it is not going to be installed
   Depends: node-validate-npm-package-name (>= 3.0~) but it is not going to be installed
   Depends: node-which (>= 1.3~) but it is not going to be installed
   Depends: node-wrappy (>= 1.0.2~) but it is not going to be installed
   Depends: node-write-file-atomic (>= 2.3~) but it is not going to be installed