This is roughly what the stacktrace (from lein deps) looks like.

This is after running lein deps on this project.

Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.pom from clojure
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.pom from clojure-snapshots
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.pom from clojars
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.pom from cukes
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.pom from codehaus
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.pom from central
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.jar from clojure
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.jar from clojure-snapshots
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.jar from clojars
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.jar from cukes
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.jar from codehaus
Downloading: cuke4duke/cuke4duke/0.3.3/cuke4duke-0.3.3.jar from central

Exception in thread "main" Unable to resolve artifact: Missing:

1. cuke4duke:cuke4duke:jar:0.3.3

Try downloading the file manually from the project website.

Then, install it using the command:
mvn install:install-file -DgroupId=cuke4duke -DartifactId=cuke4duke -Dversion=0.3.3 -Dpackaging=jar -Dfile=/path/to/file

Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=cuke4duke -DartifactId=cuke4duke -Dversion=0.3.3 -Dpackaging=jar -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

Path to dependency:
1) org.apache.maven:super-pom:jar:2.0
2) org.clojars.mjul:lein-cuke:jar:1.1.0
3) cuke4duke:cuke4duke:jar:0.3.3

1 required artifact is missing.

for artifact:
org.apache.maven:super-pom:jar:2.0

from the specified remote repositories:
clojure (http://build.clojure.org/releases),
clojars (http://clojars.org/repo/),
clojure-snapshots (http://build.clojure.org/snapshots),
central (http://repo1.maven.org/maven2)

(NO_SOURCE_FILE:0)
at clojure.lang.Compiler.eval(Compiler.java:5440)
at clojure.lang.Compiler.eval(Compiler.java:5391)
at clojure.core$eval.invoke(core.clj:2382)
at clojure.main$eval_opt.invoke(main.clj:235)
at clojure.main$initialize.invoke(main.clj:254)
at clojure.main$script_opt.invoke(main.clj:270)
at clojure.main$main.doInvoke(main.clj:354)
at clojure.lang.RestFn.invoke(RestFn.java:458)
at clojure.lang.Var.invoke(Var.java:377)
at clojure.lang.AFn.applyToHelper(AFn.java:174)
at clojure.lang.Var.applyTo(Var.java:482)
at clojure.main.main(main.java:37)

Caused by: Unable to resolve artifact: Missing:

1. cuke4duke:cuke4duke:jar:0.3.3

Try downloading the file manually from the project website.

Then, install it using the command:
mvn install:install-file -DgroupId=cuke4duke -DartifactId=cuke4duke -Dversion=0.3.3 -Dpackaging=jar -Dfile=/path/to/file

Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=cuke4duke -DartifactId=cuke4duke -Dversion=0.3.3 -Dpackaging=jar -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

Path to dependency:
1) org.apache.maven:super-pom:jar:2.0
2) org.clojars.mjul:lein-cuke:jar:1.1.0
3) cuke4duke:cuke4duke:jar:0.3.3

1 required artifact is missing.

for artifact:
org.apache.maven:super-pom:jar:2.0

from the specified remote repositories:
clojure (http://build.clojure.org/releases),
clojars (http://clojars.org/repo/),
clojure-snapshots (http://build.clojure.org/snapshots),
central (http://repo1.maven.org/maven2)

at org.apache.maven.artifact.ant.DependenciesTask.doExecute(DependenciesTask.java:175)
at org.apache.maven.artifact.ant.AbstractArtifactTask.execute(AbstractArtifactTask.java:678)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at clojure.lang.Reflector.invokeMatchingMethod(Reflector.java:90)
at clojure.lang.Reflector.invokeNoArgInstanceMember(Reflector.java:265)
at leiningen.deps$deps.invoke(deps.clj:79)
at leiningen.deps$deps.invoke(deps.clj:87)
at leiningen.deps$deps.invoke(deps.clj:90)
at leiningen.deps$deps.invoke(deps.clj:91)
at clojure.lang.Var.invoke(Var.java:365)
at clojure.lang.AFn.applyToHelper(AFn.java:163)
at clojure.lang.Var.applyTo(Var.java:482)
at clojure.core$apply.invoke(core.clj:542)
at leiningen.core$apply_task.invoke(core.clj:191)
at leiningen.core$_main.doInvoke(core.clj:250)
at clojure.lang.RestFn.applyTo(RestFn.java:138)
at clojure.core$apply.invoke(core.clj:542)
at leiningen.core$_main.invoke(core.clj:255)
at user$eval175.invoke(NO_SOURCE_FILE:1)
at clojure.lang.Compiler.eval(Compiler.java:5424)
... 11 more

Caused by: org.apache.maven.artifact.resolver.MultipleArtifactsNotFoundException: Missing:

1. cuke4duke:cuke4duke:jar:0.3.3

Try downloading the file manually from the project website.

Then, install it using the command:
mvn install:install-file -DgroupId=cuke4duke -DartifactId=cuke4duke -Dversion=0.3.3 -Dpackaging=jar -Dfile=/path/to/file

Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=cuke4duke -DartifactId=cuke4duke -Dversion=0.3.3 -Dpackaging=jar -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

Path to dependency:
1) org.apache.maven:super-pom:jar:2.0
2) org.clojars.mjul:lein-cuke:jar:1.1.0
3) cuke4duke:cuke4duke:jar:0.3.3

1 required artifact is missing.

for artifact:
org.apache.maven:super-pom:jar:2.0

from the specified remote repositories:
clojure (http://build.clojure.org/releases),
clojars (http://clojars.org/repo/),
clojure-snapshots (http://build.clojure.org/snapshots),
central (http://repo1.maven.org/maven2)

at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolveTransitively(DefaultArtifactResolver.java:324)
at org.apache.maven.artifact.ant.DependenciesTask.doExecute(DependenciesTask.java:170)
... 33 more