+ OPTIONS='--console=plain --no-daemon'
+ uname -a
Darwin steves-imac.lan 16.6.0 Darwin Kernel Version 16.6.0: Fri Apr 14 16:21:16 PDT 2017; root:xnu-3789.60.24~6/RELEASE_X86_64 x86_64
+ date
Sat Jul  1 23:04:13 PDT 2017
+ ./gradlew --console=plain --no-daemon --version

------------------------------------------------------------
Gradle 4.0
------------------------------------------------------------

Build time:   2017-06-14 15:11:08 UTC
Revision:     316546a5fcb4e2dfe1d6aa0b73a4e09e8cecb5a5

Groovy:       2.4.11
Ant:          Apache Ant(TM) version 1.9.6 compiled on June 29 2015
JVM:          1.8.0_131 (Oracle Corporation 25.131-b11)
OS:           Mac OS X 10.12.5 x86_64

+ ./gradlew --console=plain --no-daemon projects
:projects

------------------------------------------------------------
Root project
------------------------------------------------------------

Root project 'fail-unwanted-classes'
+--- Project ':acceptance'
\--- Project ':foundation'

To see a list of the tasks of a project, run gradlew <project-path>:tasks
For example, try running gradlew :acceptance:tasks

BUILD SUCCESSFUL in 2s
1 actionable task: 1 executed
+ ./gradlew --console=plain --no-daemon dependencies --configuration checkstyle
:dependencies

------------------------------------------------------------
Root project
------------------------------------------------------------

checkstyle - The Checkstyle libraries to be used for this project.
\--- com.puppycrawl.tools:checkstyle:7.8.2
     +--- antlr:antlr:2.7.7
     +--- org.antlr:antlr4-runtime:4.7
     +--- commons-beanutils:commons-beanutils:1.9.3
     |    \--- commons-collections:commons-collections:3.2.2
     +--- commons-cli:commons-cli:1.4
     \--- com.google.guava:guava:21.0

BUILD SUCCESSFUL in 2s
1 actionable task: 1 executed
+ echo '*** *** *** *** *** ***'
*** *** *** *** *** ***
+ ./gradlew --console=plain --no-daemon clean build
:clean
:acceptance:clean
:foundation:clean
:compileJava NO-SOURCE
:processResources NO-SOURCE
:classes UP-TO-DATE
:jar
:assemble
:checkstyleMain NO-SOURCE
:compileTestJava NO-SOURCE
:processTestResources NO-SOURCE
:testClasses UP-TO-DATE
:checkstyleTest NO-SOURCE
:test NO-SOURCE
:check UP-TO-DATE
:build
:acceptance:compileJava NO-SOURCE
:acceptance:processResources NO-SOURCE
:acceptance:classes UP-TO-DATE
:acceptance:jar
:acceptance:assemble
:acceptance:checkstyleMain NO-SOURCE
:foundation:compileJava
:foundation:processResources NO-SOURCE
:foundation:classes
:foundation:jar
:acceptance:compileTestJava
:acceptance:processTestResources NO-SOURCE
:acceptance:testClasses
:acceptance:checkstyleTest
:acceptance:test
:acceptance:check
:acceptance:build
:foundation:assemble
:foundation:checkstyleMain[ant:checkstyle] [ERROR] /Users/sghill/code/build-well/fail-unwanted-classes/foundation/src/main/java/io/buildwell/foundation/Result.java:3:1: Illegal import - java.util.Date. [IllegalImport]
 FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':foundation:checkstyleMain'.
> Checkstyle rule violations were found. See the report at: file:///Users/sghill/code/build-well/fail-unwanted-classes/foundation/build/reports/checkstyle/main.html

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED in 4s
11 actionable tasks: 11 executed