   Compiling serde v0.1.0
   Compiling serde v0.2.0
   Compiling serde v1.0.0
   Compiling tokio v0.1.0
   Compiling tokio v0.2.0
   Compiling tokio v1.0.0
   Compiling hyper v0.1.0
   Compiling hyper v0.2.0
   Compiling hyper v1.0.0
   Compiling reqwest v0.1.0
   Compiling reqwest v0.2.0
   Compiling reqwest v1.0.0
   Compiling sqlx v0.1.0
   Compiling sqlx v0.2.0
   Compiling sqlx v1.0.0
   Compiling axum v0.1.0
   Compiling axum v0.2.0
   Compiling axum v1.0.0
   Compiling tower v0.1.0
   Compiling tower v0.2.0
   Compiling tower v1.0.0
   Compiling tracing v0.1.0
   Compiling tracing v0.2.0
   Compiling tracing v1.0.0
warning: unused variable: var_0
  --> src/lib.rs:10:5
warning: unused variable: var_1
  --> src/lib.rs:11:5
warning: unused variable: var_2
  --> src/lib.rs:12:5
warning: unused variable: var_3
  --> src/lib.rs:13:5
warning: unused variable: var_4
  --> src/lib.rs:14:5
warning: unused variable: var_5
  --> src/lib.rs:15:5
warning: unused variable: var_6
  --> src/lib.rs:16:5
warning: unused variable: var_7
  --> src/lib.rs:17:5
warning: unused variable: var_8
  --> src/lib.rs:18:5
warning: unused variable: var_9
  --> src/lib.rs:19:5
warning: unused variable: var_10
  --> src/lib.rs:20:5
warning: unused variable: var_11
  --> src/lib.rs:21:5
warning: unused variable: var_12
  --> src/lib.rs:22:5
warning: unused variable: var_13
  --> src/lib.rs:23:5
warning: unused variable: var_14
  --> src/lib.rs:24:5
warning: unused variable: var_15
  --> src/lib.rs:25:5
warning: unused variable: var_16
  --> src/lib.rs:26:5
warning: unused variable: var_17
  --> src/lib.rs:27:5
warning: unused variable: var_18
  --> src/lib.rs:28:5
warning: unused variable: var_19
  --> src/lib.rs:29:5
warning: unused variable: var_20
  --> src/lib.rs:30:5
warning: unused variable: var_21
  --> src/lib.rs:31:5
warning: unused variable: var_22
  --> src/lib.rs:32:5
warning: unused variable: var_23
  --> src/lib.rs:33:5
warning: unused variable: var_24
  --> src/lib.rs:34:5
warning: unused variable: var_25
  --> src/lib.rs:35:5
warning: unused variable: var_26
  --> src/lib.rs:36:5
warning: unused variable: var_27
  --> src/lib.rs:37:5
warning: unused variable: var_28
  --> src/lib.rs:38:5
warning: unused variable: var_29
  --> src/lib.rs:39:5
warning: unused variable: var_30
  --> src/lib.rs:40:5
warning: unused variable: var_31
  --> src/lib.rs:41:5
warning: unused variable: var_32
  --> src/lib.rs:42:5
warning: unused variable: var_33
  --> src/lib.rs:43:5
warning: unused variable: var_34
  --> src/lib.rs:44:5
warning: unused variable: var_35
  --> src/lib.rs:45:5
warning: unused variable: var_36
  --> src/lib.rs:46:5
warning: unused variable: var_37
  --> src/lib.rs:47:5
warning: unused variable: var_38
  --> src/lib.rs:48:5
warning: unused variable: var_39
  --> src/lib.rs:49:5
warning: unused variable: var_40
  --> src/lib.rs:50:5
warning: unused variable: var_41
  --> src/lib.rs:51:5
warning: unused variable: var_42
  --> src/lib.rs:52:5
warning: unused variable: var_43
  --> src/lib.rs:53:5
warning: unused variable: var_44
  --> src/lib.rs:54:5
warning: unused variable: var_45
  --> src/lib.rs:55:5
warning: unused variable: var_46
  --> src/lib.rs:56:5
warning: unused variable: var_47
  --> src/lib.rs:57:5
warning: unused variable: var_48
  --> src/lib.rs:58:5
warning: unused variable: var_49
  --> src/lib.rs:59:5
warning: unused variable: var_50
  --> src/lib.rs:60:5
warning: unused variable: var_51
  --> src/lib.rs:61:5
warning: unused variable: var_52
  --> src/lib.rs:62:5
warning: unused variable: var_53
  --> src/lib.rs:63:5
warning: unused variable: var_54
  --> src/lib.rs:64:5
warning: unused variable: var_55
  --> src/lib.rs:65:5
warning: unused variable: var_56
  --> src/lib.rs:66:5
warning: unused variable: var_57
  --> src/lib.rs:67:5
warning: unused variable: var_58
  --> src/lib.rs:68:5
warning: unused variable: var_59
  --> src/lib.rs:69:5
warning: unused variable: var_60
  --> src/lib.rs:70:5
warning: unused variable: var_61
  --> src/lib.rs:71:5
warning: unused variable: var_62
  --> src/lib.rs:72:5
warning: unused variable: var_63
  --> src/lib.rs:73:5
warning: unused variable: var_64
  --> src/lib.rs:74:5
warning: unused variable: var_65
  --> src/lib.rs:75:5
warning: unused variable: var_66
  --> src/lib.rs:76:5
warning: unused variable: var_67
  --> src/lib.rs:77:5
warning: unused variable: var_68
  --> src/lib.rs:78:5
warning: unused variable: var_69
  --> src/lib.rs:79:5
warning: unused variable: var_70
  --> src/lib.rs:80:5
warning: unused variable: var_71
  --> src/lib.rs:81:5
warning: unused variable: var_72
  --> src/lib.rs:82:5
warning: unused variable: var_73
  --> src/lib.rs:83:5
warning: unused variable: var_74
  --> src/lib.rs:84:5
warning: unused variable: var_75
  --> src/lib.rs:85:5
warning: unused variable: var_76
  --> src/lib.rs:86:5
warning: unused variable: var_77
  --> src/lib.rs:87:5
warning: unused variable: var_78
  --> src/lib.rs:88:5
warning: unused variable: var_79
  --> src/lib.rs:89:5
warning: unused variable: var_80
  --> src/lib.rs:90:5
warning: unused variable: var_81
  --> src/lib.rs:91:5
warning: unused variable: var_82
  --> src/lib.rs:92:5
warning: unused variable: var_83
  --> src/lib.rs:93:5
warning: unused variable: var_84
  --> src/lib.rs:94:5
warning: unused variable: var_85
  --> src/lib.rs:95:5
warning: unused variable: var_86
  --> src/lib.rs:96:5
warning: unused variable: var_87
  --> src/lib.rs:97:5
warning: unused variable: var_88
  --> src/lib.rs:98:5
warning: unused variable: var_89
  --> src/lib.rs:99:5
warning: unused variable: var_90
  --> src/lib.rs:100:5
warning: unused variable: var_91
  --> src/lib.rs:101:5
warning: unused variable: var_92
  --> src/lib.rs:102:5
warning: unused variable: var_93
  --> src/lib.rs:103:5
warning: unused variable: var_94
  --> src/lib.rs:104:5
warning: unused variable: var_95
  --> src/lib.rs:105:5
warning: unused variable: var_96
  --> src/lib.rs:106:5
warning: unused variable: var_97
  --> src/lib.rs:107:5
warning: unused variable: var_98
  --> src/lib.rs:108:5
warning: unused variable: var_99
  --> src/lib.rs:109:5
warning: unused variable: var_100
  --> src/lib.rs:110:5
warning: unused variable: var_101
  --> src/lib.rs:111:5
warning: unused variable: var_102
  --> src/lib.rs:112:5
warning: unused variable: var_103
  --> src/lib.rs:113:5
warning: unused variable: var_104
  --> src/lib.rs:114:5
warning: unused variable: var_105
  --> src/lib.rs:115:5
warning: unused variable: var_106
  --> src/lib.rs:116:5
warning: unused variable: var_107
  --> src/lib.rs:117:5
warning: unused variable: var_108
  --> src/lib.rs:118:5
warning: unused variable: var_109
  --> src/lib.rs:119:5
warning: unused variable: var_110
  --> src/lib.rs:120:5
warning: unused variable: var_111
  --> src/lib.rs:121:5
warning: unused variable: var_112
  --> src/lib.rs:122:5
warning: unused variable: var_113
  --> src/lib.rs:123:5
warning: unused variable: var_114
  --> src/lib.rs:124:5
warning: unused variable: var_115
  --> src/lib.rs:125:5
warning: unused variable: var_116
  --> src/lib.rs:126:5
warning: unused variable: var_117
  --> src/lib.rs:127:5
warning: unused variable: var_118
  --> src/lib.rs:128:5
warning: unused variable: var_119
  --> src/lib.rs:129:5
warning: unused variable: var_120
  --> src/lib.rs:130:5
warning: unused variable: var_121
  --> src/lib.rs:131:5
warning: unused variable: var_122
  --> src/lib.rs:132:5
warning: unused variable: var_123
  --> src/lib.rs:133:5
warning: unused variable: var_124
  --> src/lib.rs:134:5
warning: unused variable: var_125
  --> src/lib.rs:135:5
warning: unused variable: var_126
  --> src/lib.rs:136:5
warning: unused variable: var_127
  --> src/lib.rs:137:5
warning: unused variable: var_128
  --> src/lib.rs:138:5
warning: unused variable: var_129
  --> src/lib.rs:139:5
warning: unused variable: var_130
  --> src/lib.rs:140:5
warning: unused variable: var_131
  --> src/lib.rs:141:5
warning: unused variable: var_132
  --> src/lib.rs:142:5
warning: unused variable: var_133
  --> src/lib.rs:143:5
warning: unused variable: var_134
  --> src/lib.rs:144:5
warning: unused variable: var_135
  --> src/lib.rs:145:5
warning: unused variable: var_136
  --> src/lib.rs:146:5
warning: unused variable: var_137
  --> src/lib.rs:147:5
warning: unused variable: var_138
  --> src/lib.rs:148:5
warning: unused variable: var_139
  --> src/lib.rs:149:5
warning: unused variable: var_140
  --> src/lib.rs:150:5
warning: unused variable: var_141
  --> src/lib.rs:151:5
warning: unused variable: var_142
  --> src/lib.rs:152:5
warning: unused variable: var_143
  --> src/lib.rs:153:5
warning: unused variable: var_144
  --> src/lib.rs:154:5
warning: unused variable: var_145
  --> src/lib.rs:155:5
warning: unused variable: var_146
  --> src/lib.rs:156:5
warning: unused variable: var_147
  --> src/lib.rs:157:5
warning: unused variable: var_148
  --> src/lib.rs:158:5
warning: unused variable: var_149
  --> src/lib.rs:159:5
warning: unused variable: var_150
  --> src/lib.rs:160:5
warning: unused variable: var_151
  --> src/lib.rs:161:5
warning: unused variable: var_152
  --> src/lib.rs:162:5
warning: unused variable: var_153
  --> src/lib.rs:163:5
warning: unused variable: var_154
  --> src/lib.rs:164:5
warning: unused variable: var_155
  --> src/lib.rs:165:5
warning: unused variable: var_156
  --> src/lib.rs:166:5
warning: unused variable: var_157
  --> src/lib.rs:167:5
warning: unused variable: var_158
  --> src/lib.rs:168:5
warning: unused variable: var_159
  --> src/lib.rs:169:5
warning: unused variable: var_160
  --> src/lib.rs:170:5
warning: unused variable: var_161
  --> src/lib.rs:171:5
warning: unused variable: var_162
  --> src/lib.rs:172:5
warning: unused variable: var_163
  --> src/lib.rs:173:5
warning: unused variable: var_164
  --> src/lib.rs:174:5
warning: unused variable: var_165
  --> src/lib.rs:175:5
warning: unused variable: var_166
  --> src/lib.rs:176:5
warning: unused variable: var_167
  --> src/lib.rs:177:5
warning: unused variable: var_168
  --> src/lib.rs:178:5
warning: unused variable: var_169
  --> src/lib.rs:179:5
warning: unused variable: var_170
  --> src/lib.rs:180:5
warning: unused variable: var_171
  --> src/lib.rs:181:5
warning: unused variable: var_172
  --> src/lib.rs:182:5
warning: unused variable: var_173
  --> src/lib.rs:183:5
warning: unused variable: var_174
  --> src/lib.rs:184:5
warning: unused variable: var_175
  --> src/lib.rs:185:5
warning: unused variable: var_176
  --> src/lib.rs:186:5
warning: unused variable: var_177
  --> src/lib.rs:187:5
warning: unused variable: var_178
  --> src/lib.rs:188:5
warning: unused variable: var_179
  --> src/lib.rs:189:5
warning: unused variable: var_180
  --> src/lib.rs:190:5
warning: unused variable: var_181
  --> src/lib.rs:191:5
warning: unused variable: var_182
  --> src/lib.rs:192:5
warning: unused variable: var_183
  --> src/lib.rs:193:5
warning: unused variable: var_184
  --> src/lib.rs:194:5
warning: unused variable: var_185
  --> src/lib.rs:195:5
warning: unused variable: var_186
  --> src/lib.rs:196:5
warning: unused variable: var_187
  --> src/lib.rs:197:5
warning: unused variable: var_188
  --> src/lib.rs:198:5
warning: unused variable: var_189
  --> src/lib.rs:199:5
warning: unused variable: var_190
  --> src/lib.rs:200:5
warning: unused variable: var_191
  --> src/lib.rs:201:5
warning: unused variable: var_192
  --> src/lib.rs:202:5
warning: unused variable: var_193
  --> src/lib.rs:203:5
warning: unused variable: var_194
  --> src/lib.rs:204:5
warning: unused variable: var_195
  --> src/lib.rs:205:5
warning: unused variable: var_196
  --> src/lib.rs:206:5
warning: unused variable: var_197
  --> src/lib.rs:207:5
warning: unused variable: var_198
  --> src/lib.rs:208:5
warning: unused variable: var_199
  --> src/lib.rs:209:5
warning: unused variable: var_200
  --> src/lib.rs:210:5
warning: unused variable: var_201
  --> src/lib.rs:211:5
warning: unused variable: var_202
  --> src/lib.rs:212:5
warning: unused variable: var_203
  --> src/lib.rs:213:5
warning: unused variable: var_204
  --> src/lib.rs:214:5
warning: unused variable: var_205
  --> src/lib.rs:215:5
warning: unused variable: var_206
  --> src/lib.rs:216:5
warning: unused variable: var_207
  --> src/lib.rs:217:5
warning: unused variable: var_208
  --> src/lib.rs:218:5
warning: unused variable: var_209
  --> src/lib.rs:219:5
warning: unused variable: var_210
  --> src/lib.rs:220:5
warning: unused variable: var_211
  --> src/lib.rs:221:5
warning: unused variable: var_212
  --> src/lib.rs:222:5
warning: unused variable: var_213
  --> src/lib.rs:223:5
warning: unused variable: var_214
  --> src/lib.rs:224:5
warning: unused variable: var_215
  --> src/lib.rs:225:5
warning: unused variable: var_216
  --> src/lib.rs:226:5
warning: unused variable: var_217
  --> src/lib.rs:227:5
warning: unused variable: var_218
  --> src/lib.rs:228:5
warning: unused variable: var_219
  --> src/lib.rs:229:5
warning: unused variable: var_220
  --> src/lib.rs:230:5
warning: unused variable: var_221
  --> src/lib.rs:231:5
warning: unused variable: var_222
  --> src/lib.rs:232:5
warning: unused variable: var_223
  --> src/lib.rs:233:5
warning: unused variable: var_224
  --> src/lib.rs:234:5
warning: unused variable: var_225
  --> src/lib.rs:235:5
warning: unused variable: var_226
  --> src/lib.rs:236:5
warning: unused variable: var_227
  --> src/lib.rs:237:5
warning: unused variable: var_228
  --> src/lib.rs:238:5
warning: unused variable: var_229
  --> src/lib.rs:239:5
warning: unused variable: var_230
  --> src/lib.rs:240:5
warning: unused variable: var_231
  --> src/lib.rs:241:5
warning: unused variable: var_232
  --> src/lib.rs:242:5
warning: unused variable: var_233
  --> src/lib.rs:243:5
warning: unused variable: var_234
  --> src/lib.rs:244:5
warning: unused variable: var_235
  --> src/lib.rs:245:5
warning: unused variable: var_236
  --> src/lib.rs:246:5
warning: unused variable: var_237
  --> src/lib.rs:247:5
warning: unused variable: var_238
  --> src/lib.rs:248:5
warning: unused variable: var_239
  --> src/lib.rs:249:5
warning: unused variable: var_240
  --> src/lib.rs:250:5
warning: unused variable: var_241
  --> src/lib.rs:251:5
warning: unused variable: var_242
  --> src/lib.rs:252:5
warning: unused variable: var_243
  --> src/lib.rs:253:5
warning: unused variable: var_244
  --> src/lib.rs:254:5
warning: unused variable: var_245
  --> src/lib.rs:255:5
warning: unused variable: var_246
  --> src/lib.rs:256:5
warning: unused variable: var_247
  --> src/lib.rs:257:5
warning: unused variable: var_248
  --> src/lib.rs:258:5
warning: unused variable: var_249
  --> src/lib.rs:259:5
warning: unused variable: var_250
  --> src/lib.rs:260:5
warning: unused variable: var_251
  --> src/lib.rs:261:5
warning: unused variable: var_252
  --> src/lib.rs:262:5
warning: unused variable: var_253
  --> src/lib.rs:263:5
warning: unused variable: var_254
  --> src/lib.rs:264:5
warning: unused variable: var_255
  --> src/lib.rs:265:5
warning: unused variable: var_256
  --> src/lib.rs:266:5
warning: unused variable: var_257
  --> src/lib.rs:267:5
warning: unused variable: var_258
  --> src/lib.rs:268:5
warning: unused variable: var_259
  --> src/lib.rs:269:5
warning: unused variable: var_260
  --> src/lib.rs:270:5
warning: unused variable: var_261
  --> src/lib.rs:271:5
warning: unused variable: var_262
  --> src/lib.rs:272:5
warning: unused variable: var_263
  --> src/lib.rs:273:5
warning: unused variable: var_264
  --> src/lib.rs:274:5
warning: unused variable: var_265
  --> src/lib.rs:275:5
warning: unused variable: var_266
  --> src/lib.rs:276:5
warning: unused variable: var_267
  --> src/lib.rs:277:5
warning: unused variable: var_268
  --> src/lib.rs:278:5
warning: unused variable: var_269
  --> src/lib.rs:279:5
warning: unused variable: var_270
  --> src/lib.rs:280:5
warning: unused variable: var_271
  --> src/lib.rs:281:5
warning: unused variable: var_272
  --> src/lib.rs:282:5
warning: unused variable: var_273
  --> src/lib.rs:283:5
warning: unused variable: var_274
  --> src/lib.rs:284:5
warning: unused variable: var_275
  --> src/lib.rs:285:5
warning: unused variable: var_276
  --> src/lib.rs:286:5
warning: unused variable: var_277
  --> src/lib.rs:287:5
warning: unused variable: var_278
  --> src/lib.rs:288:5
warning: unused variable: var_279
  --> src/lib.rs:289:5
warning: unused variable: var_280
  --> src/lib.rs:290:5
warning: unused variable: var_281
  --> src/lib.rs:291:5
warning: unused variable: var_282
  --> src/lib.rs:292:5
warning: unused variable: var_283
  --> src/lib.rs:293:5
warning: unused variable: var_284
  --> src/lib.rs:294:5
warning: unused variable: var_285
  --> src/lib.rs:295:5
warning: unused variable: var_286
  --> src/lib.rs:296:5
warning: unused variable: var_287
  --> src/lib.rs:297:5
warning: unused variable: var_288
  --> src/lib.rs:298:5
warning: unused variable: var_289
  --> src/lib.rs:299:5
warning: unused variable: var_290
  --> src/lib.rs:300:5
warning: unused variable: var_291
  --> src/lib.rs:301:5
warning: unused variable: var_292
  --> src/lib.rs:302:5
warning: unused variable: var_293
  --> src/lib.rs:303:5
warning: unused variable: var_294
  --> src/lib.rs:304:5
warning: unused variable: var_295
  --> src/lib.rs:305:5
warning: unused variable: var_296
  --> src/lib.rs:306:5
warning: unused variable: var_297
  --> src/lib.rs:307:5
warning: unused variable: var_298
  --> src/lib.rs:308:5
warning: unused variable: var_299
  --> src/lib.rs:309:5
error[E0308]: mismatched types
  --> src/main.rs:42:9
   |
42 |     let x: u32 = "hello";
   |            ---   ^^^^^^^ expected u32, found &str