anchor.diff:  in rec {
   
     mx = stdenv.mkDerivation rec {
  -    version = "5.216.4";
  +    version = "5.224.1";
       pname = "mx";
       src = fetchFromGitHub {
         owner  = "graalvm";
         repo   = "mx";
         rev    = version;
  -      sha256 = "0m4yy3i64r7sc46y04cfbb5834lc9j3wzmmbbjgx3d53s9wqrvyr";
  +      sha256 = "1gf8fbzn6mfg3p71mxx89ks4n6zlr6ia9zj2sq0dflp4aa0acx6q";
       };
       nativeBuildInputs = [ makeWrapper ];
       prePatch = ''
  
positive.code:   };
  
    jvmci8 = stdenv.mkDerivation rec {
      version = "19-b01";
      name = "jvmci-${version}";
      src = fetchFromGitHub {
        owner  = "graalvm";
        repo   = "graal-jvmci-8";
        rev    = "jvmci-${version}";
        sha256 = "1l75z3jjc4i0vc3qs9xba4mvy3y8ba860yf7kpywlfl0xh51jm10";
      };
      buildInputs = [ mx mercurial openjdk ];
      postUnpack = ''
  
negative.code:     };
  
    jvmci8-mxcache = [
      rec { sha1 = "53addc878614171ff0fcbc8f78aed12175c22cdb"; name = "JACOCOCORE_0.8.4_${sha1}/jacococore-0.8.4.jar";                                   url = mirror://maven/org/jacoco/org.jacoco.core/0.8.4/org.jacoco.core-0.8.4.jar; }
      rec { sha1 = "9bd1fa334d941005bc9ab3ac92478a590f5b7d73"; name = "JACOCOCORE_0.8.4_${sha1}/jacococore-0.8.4.sources.jar";                           url = mirror://maven/org/jacoco/org.jacoco.core/0.8.4/org.jacoco.core-0.8.4-sources.jar; }
      rec { sha1 = "e5ca9511493b7e3bc2cabdb8ded92e855f3aac32"; name = "JACOCOREPORT_0.8.4_${sha1}/jacocoreport-0.8.4.jar";                               url = mirror://maven/org/jacoco/org.jacoco.report/0.8.4/org.jacoco.report-0.8.4.jar; }
      rec { sha1 = "eb61e479b35b467954f28a565c094c563b790e19"; name = "JACOCOREPORT_0.8.4_${sha1}/jacocoreport-0.8.4.sources.jar";                       url = mirror://maven/org/jacoco/org.jacoco.report/0.8.4/org.jacoco.report-0.8.4-sources.jar; }
      rec { sha1 = "869021a6d90cfb008b12e83fccbe42eca29e5355"; name = "JACOCOAGENT_0.8.4_${sha1}/jacocoagent-0.8.4.jar";                                 url = mirror://maven/org/jacoco/org.jacoco.agent/0.8.4/org.jacoco.agent-0.8.4-runtime.jar; }
      rec { sha1 = "306816fb57cf94f108a43c95731b08934dcae15c"; name = "JOPTSIMPLE_4_6_${sha1}/joptsimple-4-6.jar";                                       url = mirror://maven/net/sf/jopt-simple/jopt-simple/4.6/jopt-simple-4.6.jar; }
      rec { sha1 = "9cd14a61d7aa7d554f251ef285a6f2c65caf7b65"; name = "JOPTSIMPLE_4_6_${sha1}/joptsimple-4-6.sources.jar";                               url = mirror://maven/net/sf/jopt-simple/jopt-simple/4.6/jopt-simple-4.6-sources.jar; }
      rec { sha1 = "fa29aa438674ff19d5e1386d2c3527a0267f291e"; name = "ASM_7.1_${sha1}/asm-7.1.jar";                                                     url = mirror://maven/org/ow2/asm/asm/7.1/asm-7.1.jar; }
      rec { sha1 = "9d170062d595240da35301362b079e5579c86f49"; name = "ASM_7.1_${sha1}/asm-7.1.sources.jar";                                             url = mirror://maven/org/ow2/asm/asm/7.1/asm-7.1-sources.jar; }
      rec { sha1 = "a3662cf1c1d592893ffe08727f78db35392fa302"; name = "ASM_TREE_7.1_${sha1}/asm-tree-7.1.jar";                                           url = mirror://maven/org/ow2/asm/asm-tree/7.1/asm-tree-7.1.jar; }
      rec { sha1 = "157238292b551de8680505fa2d19590d136e25b9"; name = "ASM_TREE_7.1_${sha1}/asm-tree-7.1.sources.jar";                                   url = mirror://maven/org/ow2/asm/asm-tree/7.1/asm-tree-7.1-sources.jar; }
      rec { sha1 = "379e0250f7a4a42c66c5e94e14d4c4491b3c2ed3"; name = "ASM_ANALYSIS_7.1_${sha1}/asm-analysis-7.1.jar";                                   url = mirror://maven/org/ow2/asm/asm-analysis/7.1/asm-analysis-7.1.jar; }
      rec { sha1 = "36789198124eb075f1a5efa18a0a7812fb16f47f"; name = "ASM_ANALYSIS_7.1_${sha1}/asm-analysis-7.1.sources.jar";                           url = mirror://maven/org/ow2/asm/asm-analysis/7.1/asm-analysis-7.1-sources.jar; }
      rec { sha1 = "431dc677cf5c56660c1c9004870de1ed1ea7ce6c"; name = "ASM_COMMONS_7.1_${sha1}/asm-commons-7.1.jar";                                     url = mirror://maven/org/ow2/asm/asm-commons/7.1/asm-commons-7.1.jar; }
      rec { sha1 = "a62ff3ae6e37affda7c6fb7d63b89194c6d006ee"; name = "ASM_COMMONS_7.1_${sha1}/asm-commons-7.1.sources.jar";                             url = mirror://maven/org/ow2/asm/asm-commons/7.1/asm-commons-7.1-sources.jar; }
      rec { sha1 = "ec2544ab27e110d2d431bdad7d538ed509b21e62"; name = "COMMONS_MATH3_3_2_${sha1}/commons-math3-3-2.jar";                                 url = mirror://maven/org/apache/commons/commons-math3/3.2/commons-math3-3.2.jar; }
      rec { sha1 = "cd098e055bf192a60c81d81893893e6e31a6482f"; name = "COMMONS_MATH3_3_2_${sha1}/commons-math3-3-2.sources.jar";                         url = mirror://maven/org/apache/commons/commons-math3/3.2/commons-math3-3.2-sources.jar; }
      rec { sha1 = "442447101f63074c61063858033fbfde8a076873"; name = "JMH_1_21_${sha1}/jmh-1-21.jar";                                                   url = mirror://maven/org/openjdk/jmh/jmh-core/1.21/jmh-core-1.21.jar; }
      rec { sha1 = "a6fe84788bf8cf762b0e561bf48774c2ea74e370"; name = "JMH_1_21_${sha1}/jmh-1-21.sources.jar";                                           url = mirror://maven/org/openjdk/jmh/jmh-core/1.21/jmh-core-1.21-sources.jar; }
      rec { sha1 = "7aac374614a8a76cad16b91f1a4419d31a7dcda3"; name = "JMH_GENERATOR_ANNPROCESS_1_21_${sha1}/jmh-generator-annprocess-1-21.jar";         url = mirror://maven/org/openjdk/jmh/jmh-generator-annprocess/1.21/jmh-generator-annprocess-1.21.jar; }
      rec { sha1 = "fb48e2a97df95f8b9dced54a1a37749d2a64d2ae"; name = "JMH_GENERATOR_ANNPROCESS_1_21_${sha1}/jmh-generator-annprocess-1-21.sources.jar"; url = mirror://maven/org/openjdk/jmh/jmh-generator-annprocess/1.21/jmh-generator-annprocess-1.21-sources.jar; }
      rec { sha1 = "2973d150c0dc1fefe998f834810d68f278ea58ec"; name = "JUNIT_${sha1}/junit.jar";                                                         url = mirror://maven/junit/junit/4.12/junit-4.12.jar; }
      rec { sha1 = "a6c32b40bf3d76eca54e3c601e5d1470c86fcdfa"; name = "JUNIT_${sha1}/junit.sources.jar";                                                 url = mirror://maven/junit/junit/4.12/junit-4.12-sources.jar; }
      rec { sha1 = "42a25dc3219429f0e5d060061f71acb49bf010a0"; name = "HAMCREST_${sha1}/hamcrest.jar";                                                   url = mirror://maven/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar; }
  