krell on windows error.log

C:\repos\krell-repros>deps.exe -m krell.main -co build.edn -O simple -v -c
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Options passed to ClojureScript compiler: {:infer-externs true, :output-dir "target", :closure-warnings {:check-types :off, :check-variables :off}, :closure-defines {"cljs.core._STAR_target_STAR_" "bundle"}, :ups-libs nil, :cache-analysis true, :closure-module-roots [], :process-shim false, :optimizations :simple, :ups-foreign-libs [], :verbose true, :aot-cache true, :ignore-js-module-exts [".css"], :target-fn krell.gen/krell-main-js, :output-to "target/main.js", :nodejs-rt false, :preamble ["cljs/imul.js"], :output-wrapper #object[krell.repl$krell_compile$fn__10467 0x6cb6a38c "krell.repl$krell_compile$fn__10467@6cb6a38c"], :ups-externs nil, :opts-cache "cljsc_opts.edn", :hashbang false, :cache-analysis-format :transit, :target :nodejs, :main awesome-project.core, :language-in :es6, :emit-constants nil, :npm-deps true}
Copying jar:file:/C:/Users/olive/.m2/repository/org/clojure/google-closure-library/0.0-20191016-6ae1f72f/google-closure-library-0.0-20191016-6ae1f72f.jar!/goog/debug/error.js to target\goog\debug\error.js
Copying jar:file:/C:/Users/olive/.m2/repository/org/clojure/google-closure-library/0.0-20191016-6ae1f72f/google-closure-library-0.0-20191016-6ae1f72f.jar!/goog/functions/functions.js to target\goog\functions\functions.js
Copying jar:file:/C:/Users/olive/.m2/repository/org/clojure/google-closure-library/0.0-20191016-6ae1f72f/google-closure-library-0.0-20191016-6ae1f72f.jar!/goog/object/object.js to target\goog\object\object.js
Copying jar:file:/C:/Users/olive/.m2/repository/org/clojure/google-closure-library/0.0-20191016-6ae1f72f/google-closure-library-0.0-20191016-6ae1f72f.jar!/goog/fs/url.js to target\goog\fs\url.js
Copying jar:file:/C:/Users/olive/.m2/repository/org/clojure/google-closure-library/0.0-20191016-6ae1f72f/google-closure-library-0.0-20191016-6ae1f72f.jar!/goog/i18n/bidi.js to target\goog\i18n\bidi.js
Copying jar:file:/C:/Users/olive/.m2/repository/org/clojure/google-closure-library/0.0-20191016-6ae1f72f/google-closure-library-0.0-20191016-6ae1f72f.jar!/goog/string/internal.js to target\goog\string\internal.js
Copying jar:file:/C:/Users/olive/.m2/repository/org/clojure/google-closure-library/0.0-20191016-6ae1f72f/google-closure-library-0.0-20191016-6ae1f72f.jar!/goog/html/safestyle.js to target\goog\html\safestyle.js
Copying jar:file:/C:/Users/olive/.m2/repository/org/clojure/google-closure-library/0.0-20191016-6ae1f72f/google-closure-library-0.0-20191016-6ae1f72f.jar!/goog/reflect/reflect.js to target\goog\reflect\reflect.js
Copying jar:file:/C:/Users/olive/.m2/repository/org/clojure/google-closure-library/0.0-20191016-6ae1f72f/google-closure-library-0.0-20191016-6ae1f72f.jar!/goog/string/stringbuffer.js to target\goog\string\stringbuffer.js
Copying jar:file:/C:/Users/olive/.m2/repository/org/clojure/google-closure-library/0.0-20191016-6ae1f72f/google-closure-library-0.0-20191016-6ae1f72f.jar!/goog/math/long.js to target\goog\math\long.js
Applying optimizations :simple to 52 sources
java.nio.file.InvalidPathException: Illegal char <:> at index 2: /C:/repos/krell-repros/target/cljs/core.js
        at sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:182)
        at sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:153)
        at sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
        at sun.nio.fs.WindowsPath.parse(WindowsPath.java:94)
        at sun.nio.fs.WindowsFileSystem.getPath(WindowsFileSystem.java:255)
        at com.google.javascript.jscomp.SourceMapResolver.getRelativePath(SourceMapResolver.java:102)
        at com.google.javascript.jscomp.SourceMapResolver.extractSourceMap(SourceMapResolver.java:63)
        at com.google.javascript.jscomp.JsAst.parse(JsAst.java:168)
        at com.google.javascript.jscomp.JsAst.getAstRoot(JsAst.java:55)
        at com.google.javascript.jscomp.CompilerInput.getAstRoot(CompilerInput.java:133)
        at com.google.javascript.jscomp.Compiler.parseInputs(Compiler.java:1720)
        at com.google.javascript.jscomp.Compiler.parseForCompilationInternal(Compiler.java:939)
        at com.google.javascript.jscomp.Compiler.lambda$parseForCompilation$4(Compiler.java:922)
        at com.google.javascript.jscomp.CompilerExecutor$2.call(CompilerExecutor.java:102)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)