sbt doc error

$ ./sbt namer-zk-leader/compile:doc
[info] Loading global plugins from /Users/cpretzer/.sbt/0.13/plugins
[info] Loading project definition from /Users/cpretzer/projects/linkerd/linkerd/project
[info] Compiling 1 Scala source to /Users/cpretzer/projects/linkerd/linkerd/project/target/scala-2.10/sbt-0.13/classes...
[info] Resolving key references (63111 settings) ...
[info] Set current project to all (in build file:/Users/cpretzer/projects/linkerd/linkerd/)
[info] Updating {file:/Users/cpretzer/projects/linkerd/linkerd/}namer-zk-leader...
[info] Resolving jline#jline;2.14.1 ...
[info] Done updating.
[warn] Found version conflict(s) in library dependencies; some are suspected to be binary incompatible:
[warn] 
[warn] 	* io.netty:netty:3.10.1.Final is selected over 3.7.0.Final
[warn] 	    +- com.twitter:twitter-server_2.12:19.5.1 ()          (depends on 3.10.1.Final)
[warn] 	    +- org.apache.zookeeper:zookeeper:3.5.0-alpha         (depends on 3.7.0.Final)
[warn] 
[warn] 	* com.google.code.findbugs:jsr305:2.0.1 is selected over 1.3.9
[warn] 	    +- com.twitter:finagle-core_2.12:19.5.1 ()            (depends on 2.0.1)
[warn] 	    +- com.twitter:util-cache_2.12:19.5.1 ()              (depends on 2.0.1)
[warn] 	    +- com.twitter:util-stats_2.12:19.5.1 ()              (depends on 2.0.1)
[warn] 	    +- com.google.guava:guava:23.0                        (depends on 1.3.9)
[warn] 
[warn] Run 'evicted' to see detailed eviction warnings
[info] Main Scala API documentation to /Users/cpretzer/projects/linkerd/linkerd/namer/zk-leader/target/scala-2.12/api...
[error] /Users/cpretzer/projects/linkerd/linkerd/namer/zk-leader/src/main/java/com/twitter/common/zookeeper/Candidate.java:24: value ZooKeeperConnectionException is not a member of object com.twitter.finagle.common.zookeeper.ZooKeeperClient
[error] import com.twitter.finagle.common.zookeeper.ZooKeeperClient.ZooKeeperConnectionException;
[error]        ^
[error] /Users/cpretzer/projects/linkerd/linkerd/namer/zk-leader/src/main/java/com/twitter/common/zookeeper/CandidateImpl.java:40: value ZooKeeperConnectionException is not a member of object com.twitter.finagle.common.zookeeper.ZooKeeperClient
[error] import com.twitter.finagle.common.zookeeper.ZooKeeperClient.ZooKeeperConnectionException;
[error]        ^
[error] /Users/cpretzer/projects/linkerd/linkerd/namer/zk-leader/src/main/java/com/twitter/common/zookeeper/CandidateImpl.java:122: not found: type Leader
[error]     public Supplier<Boolean> offerLeadership(final Leader leader)
[error]                                                    ^
[info] No documentation generated with unsuccessful compiler run
[error] three errors found
[error] (namer-zk-leader/compile:doc) Scaladoc generation failed
[error] Total time: 7 s, completed Mar 30, 2020 9:51:12 PM