Netlify/plugin-nextjs onBuild "moving files" slowing build

Hi, I have a Nextjs website that has suddenly starting taking 15+ minutes to build. It has started moving files in step 3. @netlify/plugin-nextjs (onBuild event).

Can you tell me what this step is for? And if there is a way to avoid it?

Snippet of Issue from logs

11:56:37 AM: Moving /opt/build/repo/.next/server/pages/index.html to /opt/build/repo/.next/index.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/index.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/index.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/submit.html to /opt/build/repo/.next/submit.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/submit.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/submit.json

Full Log

11:54:13 AM: build-image version: a968751fa4fa5480005f9e300e07554d2cf87d06 (focal)
11:54:13 AM: buildbot version: 8b65fed9bc22a54aead1b50de89fea883757023a
11:54:13 AM: Fetching cached dependencies
11:54:13 AM: Starting to download cache of 578.0MB
11:54:18 AM: Finished downloading cache in 4.809s
11:54:18 AM: Starting to extract cache
11:54:22 AM: Finished extracting cache in 4.028s
11:54:22 AM: Finished fetching cache in 8.976s
11:54:22 AM: Starting to prepare the repo for build
11:54:22 AM: Preparing Git Reference refs/heads/master
11:54:24 AM: Parsing package.json dependencies
11:54:25 AM: Starting to install dependencies
11:54:25 AM: Python version set to 3.8
11:54:25 AM: Attempting Ruby version 2.7.2, read from environment
11:54:26 AM: Using Ruby version 2.7.2
11:54:26 AM: Started restoring cached go cache
11:54:26 AM: Finished restoring cached go cache
11:54:26 AM: Installing Go version 1.19.5 (requested 1.19.5)
11:54:31 AM: go version go1.19.5 linux/amd64
11:54:31 AM: Using PHP version 8.0
11:54:32 AM: Started restoring cached Node.js version
11:54:32 AM: Finished restoring cached Node.js version
11:54:33 AM: v16.20.0 is already installed.
11:54:33 AM: Now using node v16.20.0 (npm v8.19.4)
11:54:33 AM: Enabling Node.js Corepack
11:54:33 AM: Started restoring cached build plugins
11:54:33 AM: Finished restoring cached build plugins
11:54:33 AM: Started restoring cached corepack dependencies
11:54:33 AM: Finished restoring cached corepack dependencies
11:54:33 AM: No npm workspaces detected
11:54:33 AM: Started restoring cached node modules
11:54:33 AM: Finished restoring cached node modules
11:54:33 AM: Installing npm packages using npm version 8.19.4
11:54:34 AM: up to date, audited 421 packages in 621ms
11:54:34 AM: 127 packages are looking for funding
11:54:34 AM:   run `npm fund` for details
11:54:34 AM: found 0 vulnerabilities
11:54:34 AM: npm packages installed
11:54:34 AM: Install dependencies script success
11:54:34 AM: Starting build script
11:54:35 AM: Detected 1 framework(s)
11:54:35 AM: "next" at version "13.2.4"
11:54:35 AM: Section completed: initializing
11:54:36 AM: ​
11:54:36 AM:   Netlify Build                                                 
11:54:36 AM: ────────────────────────────────────────────────────────────────
11:54:36 AM: ​
11:54:36 AM: ❯ Version
11:54:36 AM:   @netlify/build 29.10.1
11:54:36 AM: ​
11:54:36 AM: ❯ Flags
11:54:36 AM:   baseRelDir: true
11:54:36 AM:   buildId: 644f1bb7e66b06000865e151
11:54:36 AM:   deployId: 644f1bb7e66b06000865e153
11:54:36 AM: ​
11:54:36 AM: ❯ Current directory
11:54:36 AM:   /opt/build/repo
11:54:36 AM: ​
11:54:36 AM: ❯ Config file
11:54:36 AM:   No config file was defined: using default values.
11:54:36 AM: ​
11:54:36 AM: ❯ Context
11:54:36 AM:   production
11:54:36 AM: ​
11:54:36 AM: ❯ Using Next.js Runtime - v4.36.0
11:54:38 AM: ​
11:54:38 AM:   1. @netlify/plugin-nextjs (onPreBuild event)                  
11:54:38 AM: ────────────────────────────────────────────────────────────────
11:54:38 AM: ​
11:54:38 AM: Next.js cache restored.
11:54:38 AM: Netlify configuration property "build.environment.NEXT_PRIVATE_TARGET" value changed.
11:54:38 AM: ​
11:54:38 AM: (@netlify/plugin-nextjs onPreBuild completed in 142ms)
11:54:38 AM: ​
11:54:38 AM:   2. Build command from Netlify app                             
11:54:38 AM: ────────────────────────────────────────────────────────────────
11:54:38 AM: ​
11:54:38 AM: $ npm run build
11:54:38 AM: > my-app@0.1.0 build
11:54:38 AM: > next build
11:54:38 AM: info  - Loaded env from /opt/build/repo/.env
11:54:39 AM: info  - Linting and checking validity of types...
11:54:43 AM: ./src/components/Icon.tsx
11:54:43 AM: 25:9  Warning: Using `<img>` could result in slower LCP and higher bandwidth. Use `<Image />` from `next/image` instead to utilize Image Optimization. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
11:54:43 AM: 43:9  Warning: Using `<img>` could result in slower LCP and higher bandwidth. Use `<Image />` from `next/image` instead to utilize Image Optimization. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
11:54:43 AM: ./src/components/ThemeCard.tsx
11:54:43 AM: 15:11  Warning: Using `<img>` could result in slower LCP and higher bandwidth. Use `<Image />` from `next/image` instead to utilize Image Optimization. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
11:54:43 AM: ./src/components/ThemeCardLarge.tsx
11:54:43 AM: 15:11  Warning: Using `<img>` could result in slower LCP and higher bandwidth. Use `<Image />` from `next/image` instead to utilize Image Optimization. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
11:54:43 AM: ./src/pages/author/[author].tsx
11:54:43 AM: 20:9  Warning: Using `<img>` could result in slower LCP and higher bandwidth. Use `<Image />` from `next/image` instead to utilize Image Optimization. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
11:54:43 AM: ./src/pages/theme/[id].tsx
11:54:43 AM: 56:23  Warning: Using `<img>` could result in slower LCP and higher bandwidth. Use `<Image />` from `next/image` instead to utilize Image Optimization. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
11:54:43 AM: 96:15  Warning: Using `<img>` could result in slower LCP and higher bandwidth. Use `<Image />` from `next/image` instead to utilize Image Optimization. See: https://nextjs.org/docs/messages/no-img-element  @next/next/no-img-element
11:54:43 AM: info  - Need to disable some ESLint rules? Learn more here: https://nextjs.org/docs/basic-features/eslint#disabling-rules
11:54:43 AM: info  - Creating an optimized production build...
11:54:52 AM: info  - Compiled successfully
11:54:52 AM: info  - Collecting page data...
11:54:54 AM: info  - Generating static pages (0/13228)
11:55:03 AM: info  - Generating static pages (3307/13228)
11:55:46 AM: info  - Generating static pages (6614/13228)
11:56:29 AM: info  - Generating static pages (9921/13228)
11:56:34 AM: info  - Generating static pages (13228/13228)
11:56:34 AM: info  - Finalizing page optimization...
11:56:37 AM: Route (pages)                                        Size     First Load JS
11:56:37 AM: ┌ ● / (3088 ms)                                      765 B           202 kB
11:56:37 AM: ├   /_app                                            0 B            80.6 kB
11:56:37 AM: ├ ○ /404                                             182 B          80.8 kB
11:56:37 AM: ├ ● /author/[author] (2441045 ms)                    1.74 kB         180 kB
11:56:37 AM: ├   ├ /author/5t3ph (4107 ms)
11:56:37 AM: ├   ├ /author/1hanzla100 (4104 ms)
11:56:37 AM: ├   ├ /author/0xnaim (4103 ms)
11:56:37 AM: ├   ├ /author/24ways (4095 ms)
11:56:37 AM: ├   ├ /author/4dcu-be (4015 ms)
11:56:37 AM: ├   ├ /author/0wczar (3890 ms)
11:56:37 AM: ├   ├ /author/29dch (3888 ms)
11:56:37 AM: ├   └ [+3605 more paths] (avg 669 ms)
11:56:37 AM: ├ ● /category/[id] (35755 ms)                        1.58 kB         203 kB
11:56:37 AM: ├   ├ /category/disqus (2293 ms)
11:56:37 AM: ├   ├ /category/eslint (1984 ms)
11:56:37 AM: ├   ├ /category/dark-mode (1801 ms)
11:56:37 AM: ├   ├ /category/business (1799 ms)
11:56:37 AM: ├   ├ /category/contentlayer (1701 ms)
11:56:37 AM: ├   ├ /category/ecommerce (1685 ms)
11:56:37 AM: ├   ├ /category/flotiq (1589 ms)
11:56:37 AM: ├   └ [+102 more paths]
11:56:37 AM: ├ ● /demo/[id] (280328 ms)                           1.1 kB          137 kB
11:56:37 AM: ├   ├ /demo/1998code-bootstrap-themes (2484 ms)
11:56:37 AM: ├   ├ /demo/0l1v3rr-react-initializr (2394 ms)
11:56:37 AM: ├   ├ /demo/11ta-11ta-template (2394 ms)
11:56:37 AM: ├   ├ /demo/0xaliraza-codefolio (2291 ms)
11:56:37 AM: ├   ├ /demo/19sajib-portfolio (2224 ms)
11:56:37 AM: ├   ├ /demo/10086xiaozhang-cp-design (2174 ms)
11:56:37 AM: ├   ├ /demo/0xnaim-foodexpress-client (2171 ms)
11:56:37 AM: ├   └ [+4743 more paths]
11:56:37 AM: ├ ● /submit (3102 ms)                                1.84 kB         180 kB
11:56:37 AM: ├ ○ /submit/opensource (3180 ms)                     1.28 kB         179 kB
11:56:37 AM: ├ ○ /submit/premium (3276 ms)                        2 kB            180 kB
11:56:37 AM: ├ ○ /submit/premium-success (2817 ms)                475 B           179 kB
11:56:37 AM: └ ● /theme/[id] (262488 ms)                          11 kB           189 kB
11:56:37 AM:     ├ /theme/0xabdulkhalid-basket-sign-up (1078 ms)
11:56:37 AM:     ├ /theme/1211ciel-ciel-admin (1007 ms)
11:56:37 AM:     ├ /theme/24ways-frontend (991 ms)
11:56:37 AM:     ├ /theme/2ssue-2ssue.github.io (909 ms)
11:56:37 AM:     ├ /theme/22mahmoud-yaes (887 ms)
11:56:37 AM:     ├ /theme/0xaliraza-codefolio (881 ms)
11:56:37 AM:     ├ /theme/0xnaim-foodexpress-client (876 ms)
11:56:37 AM:     └ [+4743 more paths]
11:56:37 AM: + First Load JS shared by all                        185 kB
11:56:37 AM:   ├ chunks/framework-2c79e2a64abdb08b.js             45.2 kB
11:56:37 AM:   ├ chunks/main-0ecb9ccfcb6c9b24.js                  27 kB
11:56:37 AM:   ├ chunks/pages/_app-7f1405eaa1728b46.js            7.36 kB
11:56:37 AM:   ├ chunks/webpack-36d12a75f0098f30.js               1.04 kB
11:56:37 AM:   └ css/3fb0b2a66a318b42.css                         104 kB
11:56:37 AM: ○  (Static)  automatically rendered as static HTML (uses no initial props)
11:56:37 AM: ●  (SSG)     automatically generated as static HTML + JSON (uses getStaticProps)
11:56:37 AM: ​
11:56:37 AM: (build.command completed in 1m 59.1s)
11:56:37 AM: ​
11:56:37 AM:   3. @netlify/plugin-nextjs (onBuild event)                     
11:56:37 AM: ────────────────────────────────────────────────────────────────
11:56:37 AM: ​
11:56:37 AM: Patching /opt/build/repo/node_modules/next/dist/server/base-server.js
11:56:37 AM: Done
11:56:37 AM: Patching /opt/build/repo/node_modules/next/dist/server/next-server.js
11:56:37 AM: Done
11:56:37 AM: Moving static page files to serve from CDN...
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/index.html to /opt/build/repo/.next/index.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/index.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/index.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/submit.html to /opt/build/repo/.next/submit.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/submit.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/submit.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/submit/opensource.html to /opt/build/repo/.next/submit/opensource.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/submit/premium-success.html to /opt/build/repo/.next/submit/premium-success.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/submit/premium.html to /opt/build/repo/.next/submit/premium.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/algolia.html to /opt/build/repo/.next/category/algolia.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/algolia.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/algolia.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/alpinejs.html to /opt/build/repo/.next/category/alpinejs.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/alpinejs.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/alpinejs.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/angular.html to /opt/build/repo/.next/category/angular.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/angular.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/angular.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/ant-design.html to /opt/build/repo/.next/category/ant-design.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/ant-design.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/ant-design.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/apollo.html to /opt/build/repo/.next/category/apollo.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/apollo.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/apollo.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/astro.html to /opt/build/repo/.next/category/astro.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/astro.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/astro.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/blog.html to /opt/build/repo/.next/category/blog.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/blog.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/blog.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/boilerplate.html to /opt/build/repo/.next/category/boilerplate.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/boilerplate.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/boilerplate.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/bootstrap.html to /opt/build/repo/.next/category/bootstrap.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/bootstrap.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/bootstrap.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/bulma.html to /opt/build/repo/.next/category/bulma.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/bulma.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/bulma.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/business.html to /opt/build/repo/.next/category/business.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/business.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/business.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/chakra-ui.html to /opt/build/repo/.next/category/chakra-ui.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/chakra-ui.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/chakra-ui.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/cloudcannon.html to /opt/build/repo/.next/category/cloudcannon.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/cloudcannon.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/cloudcannon.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/component-library.html to /opt/build/repo/.next/category/component-library.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/component-library.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/component-library.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/contentful.html to /opt/build/repo/.next/category/contentful.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/contentful.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/contentful.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/contentlayer.html to /opt/build/repo/.next/category/contentlayer.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/contentlayer.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/contentlayer.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/cosmic.html to /opt/build/repo/.next/category/cosmic.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/cosmic.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/cosmic.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/create-react-app.html to /opt/build/repo/.next/category/create-react-app.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/create-react-app.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/create-react-app.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/daisyui.html to /opt/build/repo/.next/category/daisyui.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/daisyui.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/daisyui.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/dark-mode.html to /opt/build/repo/.next/category/dark-mode.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/dark-mode.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/dark-mode.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/dashboard.html to /opt/build/repo/.next/category/dashboard.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/dashboard.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/dashboard.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/datocms.html to /opt/build/repo/.next/category/datocms.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/datocms.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/datocms.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/directus.html to /opt/build/repo/.next/category/directus.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/directus.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/directus.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/disqus.html to /opt/build/repo/.next/category/disqus.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/disqus.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/disqus.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/docker.html to /opt/build/repo/.next/category/docker.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/docker.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/docker.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/documentation.html to /opt/build/repo/.next/category/documentation.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/documentation.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/documentation.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/ecommerce.html to /opt/build/repo/.next/category/ecommerce.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/ecommerce.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/ecommerce.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/eleventy.html to /opt/build/repo/.next/category/eleventy.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/eleventy.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/eleventy.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/eslint.html to /opt/build/repo/.next/category/eslint.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/eslint.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/eslint.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/firebase.html to /opt/build/repo/.next/category/firebase.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/firebase.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/firebase.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/flotiq.html to /opt/build/repo/.next/category/flotiq.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/flotiq.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/flotiq.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/flowbite.html to /opt/build/repo/.next/category/flowbite.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/flowbite.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/flowbite.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/forestry.html to /opt/build/repo/.next/category/forestry.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/forestry.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/forestry.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/formspree.html to /opt/build/repo/.next/category/formspree.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/formspree.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/formspree.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/framer-motion.html to /opt/build/repo/.next/category/framer-motion.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/framer-motion.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/framer-motion.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/gatsby.html to /opt/build/repo/.next/category/gatsby.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/gatsby.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/gatsby.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/gem-based.html to /opt/build/repo/.next/category/gem-based.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/gem-based.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/gem-based.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/ghost.html to /opt/build/repo/.next/category/ghost.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/ghost.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/ghost.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/github-pages.html to /opt/build/repo/.next/category/github-pages.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/github-pages.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/github-pages.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/google-analytics.html to /opt/build/repo/.next/category/google-analytics.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/google-analytics.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/google-analytics.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/google-fonts.html to /opt/build/repo/.next/category/google-fonts.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/google-fonts.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/google-fonts.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/graphql.html to /opt/build/repo/.next/category/graphql.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/graphql.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/graphql.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/gridsome.html to /opt/build/repo/.next/category/gridsome.html
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/gridsome.json to /opt/build/repo/.next/_next/data/hkjy-nCyUOtQI5CbJgz_r/category/gridsome.json
11:56:37 AM: Moving /opt/build/repo/.next/server/pages/category/grunt.html to /opt/build/repo/.next/category/grunt.html

Previous builds looked like this
Build from Apr 26 at 4:50 PM

4:51:29 PM:   3. @netlify/plugin-nextjs (onBuild event)                     
4:51:29 PM: ────────────────────────────────────────────────────────────────
4:51:29 PM: ​
4:51:29 PM: Patching /opt/build/repo/node_modules/next/dist/server/base-server.js
4:51:29 PM: Done
4:51:29 PM: Patching /opt/build/repo/node_modules/next/dist/server/next-server.js
4:51:29 PM: Done
4:51:29 PM: Moving static page files to serve from CDN...
4:51:32 PM: Moved 19396 files
4:51:32 PM: You are not using Netlify Edge Functions for image format detection. Set env var "NEXT_FORCE_EDGE_IMAGES=true" to enable.
4:51:32 PM: Netlify configuration property "redirects" value changed to [
4:51:32 PM:   { from: '/_next/static/*', to: '/static/:splat', status: 200 },
4:51:32 PM:   {
4:51:32 PM:     from: '/_next/image*',
4:51:32 PM:     query: { url: ':url', w: ':width', q: ':quality' },
4:51:32 PM:     to: '/_ipx/w_:width,q_:quality/:url',
4:51:32 PM:     status: 301
4:51:32 PM:   },

What site is this for?

its for sitename: builtatlightspeed

my builds take so long it times out and fails now

Hi,

This should be fixed in the upcoming releases: