mvn package运行时出错，求大神指导

[s_noopy]

[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for Siafu:Siafu:jar:1.0.6-SNAPSHOT
[WARNING] Reporting configuration should be done in <reporting> section, not in maven-site-plugin <configuration> as reportPlugins parameter. @ Siafu:Siafu:[unknown-version], /usr/local/miquelmartin-Siafu-v0.0-10-g646174c/miquelmartin-Siafu-646174c/Siafu/pom.xml, line 46, column 20
[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] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] MavenParent
[INFO] Siafu Simulator
[INFO] Siafu datatypes library
[INFO] Simulation-Glasgow
[INFO] Simulation-Leimen
[INFO] Simulation-Office
[INFO] Simulation-Testland
[INFO] Simulation-Valencia
[INFO] Simulations
[INFO] SiafuAggregator
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building MavenParent 1.0.6-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Siafu Simulator 1.0.6-SNAPSHOT
[INFO] ------------------------------------------------------------------------
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-resources-plugin/2.6/maven-resources-plugin-2.6.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-resources-plugin/2.6/maven-resources-plugin-2.6.pom (8.1 kB at 1.5 kB/s)
D
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] MavenParent ........................................ SUCCESS [ 0.023 s]
[INFO] Siafu Simulator .................................... FAILURE [23:06 min]
[INFO] Siafu datatypes library ............................ SKIPPED
[INFO] Simulation-Glasgow ................................. SKIPPED
[INFO] Simulation-Leimen .................................. SKIPPED
[INFO] Simulation-Office .................................. SKIPPED
[INFO] Simulation-Testland ................................ SKIPPED
[INFO] Simulation-Valencia ................................ SKIPPED
[INFO] Simulations ........................................ SKIPPED
[INFO] SiafuAggregator .................................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 23:07 min
[INFO] Finished at: 2017-04-19T11:47:49+08:00
[INFO] Final Memory: 10M/91M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project Siafu: Could not resolve dependencies for project Siafu:Siafu:jar:1.0.6-SNAPSHOT: Failed to collect dependencies at org.eclipse.swt:org.eclipse.swt.gtk.linux.x86:jar:3.8: Failed to read artifact descriptor for org.eclipse.swt:org.eclipse.swt.gtk.linux.x86:jar:3.8: Could not transfer artifact org.eclipse.swt:org.eclipse.swt.gtk.linux.x86:pom:3.8 from/to swt-repo (https://swt-repo.googlecode.com/svn/repo/): Network is unreachable (connect 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/DependencyResolutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :Siafu
求指导