错误：使用Next.js在Heroku上产生EACCES

当我尝试将我的Next.js项目推送到Heroku时，出现以下错误。 它在本地正常工作。 另外我以前的提交在Heroku上工作。 我现在试图将新版本的项目推到Heroku，package.json没有改变，我得到以下错误：

remote: Compressing source files... done. remote: Building source: remote: remote: -----> Node.js app detected remote: remote: -----> Creating runtime environment remote: remote: NPM_CONFIG_LOGLEVEL=error remote: NPM_CONFIG_PRODUCTION=true remote: NODE_VERBOSE=false remote: NODE_ENV=production remote: NODE_MODULES_CACHE=true remote: remote: -----> Installing binaries remote: engines.node (package.json): unspecified remote: engines.npm (package.json): unspecified (use default) remote: remote: Resolving node version 6.x... remote: Downloading and installing node 6.11.2... remote: Detected package-lock.json: defaulting npm to version 5.xx remote: Bootstrapping npm 5.xx (replacing 3.10.10)... remote: npm 5.4.0 installed remote: remote: -----> Restoring cache remote: Skipping cache restore (new-signature) remote: remote: -----> Building dependencies remote: Installing node modules (package.json + package-lock) remote: remote: > ws@0.4.31 install /tmp/build_256cc24fd8631322ca4977031531f9d5/node_modules/tomahawk/node_modules/socket.io/node_modules/engine.io/node_modules/ws remote: > (node-gyp rebuild 2> builderror.log) || (exit 0) remote: remote: make: Entering directory '/tmp/build_256cc24fd8631322ca4977031531f9d5/node_modules/tomahawk/node_modules/socket.io/node_modules/engine.io/node_modules/ws/build' remote: CXX(target) Release/obj.target/bufferutil/src/bufferutil.o remote: bufferutil.target.mk:96: recipe for target 'Release/obj.target/bufferutil/src/bufferutil.o' failed remote: make: Leaving directory '/tmp/build_256cc24fd8631322ca4977031531f9d5/node_modules/tomahawk/node_modules/socket.io/node_modules/engine.io/node_modules/ws/build' remote: remote: > ws@0.4.31 install /tmp/build_256cc24fd8631322ca4977031531f9d5/node_modules/tomahawk/node_modules/socket.io/node_modules/socket.io-client/node_modules/engine.io-client/node_modules/ws remote: > (node-gyp rebuild 2> builderror.log) || (exit 0) remote: remote: make: Entering directory '/tmp/build_256cc24fd8631322ca4977031531f9d5/node_modules/tomahawk/node_modules/socket.io/node_modules/socket.io-client/node_modules/engine.io-client/node_modules/ws/build' remote: CXX(target) Release/obj.target/bufferutil/src/bufferutil.o remote: bufferutil.target.mk:96: recipe for target 'Release/obj.target/bufferutil/src/bufferutil.o' failed remote: make: Leaving directory '/tmp/build_256cc24fd8631322ca4977031531f9d5/node_modules/tomahawk/node_modules/socket.io/node_modules/socket.io-client/node_modules/engine.io-client/node_modules/ws/build' remote: remote: > uglifyjs-webpack-plugin@0.4.6 postinstall /tmp/build_256cc24fd8631322ca4977031531f9d5/node_modules/uglifyjs-webpack-plugin remote: > node lib/post_install.js remote: remote: remote: > ...@1.0.0 postinstall /tmp/build_256cc24fd8631322ca4977031531f9d5 remote: > npm run build remote: remote: remote: > ...@1.0.0 build /tmp/build_256cc24fd8631322ca4977031531f9d5 remote: > next build remote: remote: internal/child_process.js:319 remote: throw errnoException(err, 'spawn'); remote: ^ remote: remote: Error: spawn EACCES remote: at exports._errnoException (util.js:1020:11) remote: at ChildProcess.spawn (internal/child_process.js:319:11) remote: at Object.exports.spawn (child_process.js:369:9) remote: at spawn (/tmp/build_256cc24fd8631322ca4977031531f9d5/node_modules/cross-spawn/index.js:17:18) remote: at startProcess (/tmp/build_256cc24fd8631322ca4977031531f9d5/node_modules/next/dist/bin/next:69:36) remote: at Object.<anonymous> (/tmp/build_256cc24fd8631322ca4977031531f9d5/node_modules/next/dist/bin/next:90:12) remote: at Module._compile (module.js:570:32) remote: at Object.Module._extensions..js (module.js:579:10) remote: at Module.load (module.js:487:32) remote: at tryModuleLoad (module.js:446:12) remote: npm ERR! code ELIFECYCLE remote: npm ERR! errno 1 remote: npm ERR! ...@1.0.0 build: `next build` remote: npm ERR! Exit status 1 remote: npm ERR! remote: npm ERR! Failed at the ...@1.0.0 build script. remote: npm ERR! This is probably not a problem with npm. There is likely additional logging output above. remote: remote: npm ERR! A complete log of this run can be found in: remote: npm ERR! /app/.npm/_logs/2017-09-02T02_28_44_026Z-debug.log remote: npm ERR! code ELIFECYCLE remote: npm ERR! errno 1 remote: npm ERR! ...@1.0.0 postinstall: `npm run build` remote: npm ERR! Exit status 1 remote: npm ERR! remote: npm ERR! Failed at the ...@1.0.0 postinstall script. remote: npm ERR! This is probably not a problem with npm. There is likely additional logging output above. remote: remote: npm ERR! A complete log of this run can be found in: remote: npm ERR! /app/.npm/_logs/2017-09-02T02_28_44_119Z-debug.log remote: remote: -----> Build failed