Errors during insight-brain compilation

$ mvn clean install -DskipTests -Dskip-obfuscate
[INFO] Scanning for projects...
[WARNING] 
[WARNING] Some problems were encountered while building the effective model for com.sonatype.insight.brain:insight-brain-functional-performance-test:jar:1.18.0-SNAPSHOT
[WARNING] 'dependencies.dependency.exclusions.exclusion.artifactId' for net.lightbody.bmp:browsermob-proxy:jar with value '*' does not match a valid id pattern. @ line 166, column 23
[WARNING] 
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING] 
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING] 
[INFO] Inspecting build with total of 18 modules...
[INFO] Installing Nexus Staging features:
[INFO]   ... total of 18 executions of maven-deploy-plugin replaced with nexus-staging-maven-plugin
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO] 
[INFO] Insight Brain Parent POM
[INFO] hds-mock-server
[INFO] Insight JSON Store
[INFO] Insight Brain Common
[INFO] Insight Brain Database
[INFO] Insight Brain Data
[INFO] insight-brain-ldap
[INFO] Insight Brain Service
[INFO] Insight Brain Client
[INFO] Sonatype CLM Repository Manager Common Integration
[INFO] Insight Brain CLI Common
[INFO] Sonatype Nexus IQ Server distribution bundle
[INFO] nexus-iq-cli
[INFO] nexus-iq-integrator-scanner
[INFO] nexus-iq-diagnostics
[INFO] insight-brain-java-functional-test
[INFO] insight-brain-functional-test
[INFO] insight-brain-functional-performance-test
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building Insight Brain Parent POM 1.18.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ insight-brain ---
[INFO] 
[INFO] --- maven-enforcer-plugin:1.3.1:enforce (enforce-maven) @ insight-brain ---
[WARNING] Rule 0: org.apache.maven.plugins.enforcer.RequireMavenVersion failed with message:
Detected Maven Version: 3.0.5 is not in the allowed range 3.2.
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Insight Brain Parent POM .......................... FAILURE [0.214s]
[INFO] hds-mock-server ................................... SKIPPED
[INFO] Insight JSON Store ................................ SKIPPED
[INFO] Insight Brain Common .............................. SKIPPED
[INFO] Insight Brain Database ............................ SKIPPED
[INFO] Insight Brain Data ................................ SKIPPED
[INFO] insight-brain-ldap ................................ SKIPPED
[INFO] Insight Brain Service ............................. SKIPPED
[INFO] Insight Brain Client .............................. SKIPPED
[INFO] Sonatype CLM Repository Manager Common Integration  SKIPPED
[INFO] Insight Brain CLI Common .......................... SKIPPED
[INFO] Sonatype Nexus IQ Server distribution bundle ...... SKIPPED
[INFO] nexus-iq-cli ...................................... SKIPPED
[INFO] nexus-iq-integrator-scanner ....................... SKIPPED
[INFO] nexus-iq-diagnostics .............................. SKIPPED
[INFO] insight-brain-java-functional-test ................ SKIPPED
[INFO] insight-brain-functional-test ..................... SKIPPED
[INFO] insight-brain-functional-performance-test ......... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.097s
[INFO] Finished at: Thu Nov 19 10:11:10 PST 2015
[INFO] Final Memory: 17M/309M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:1.3.1:enforce (enforce-maven) on project insight-brain: Some Enforcer rules have failed. Look above for specific messages explaining why the rule failed. -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException