I am getting the below messages. is that a problem or is this working? I have not tried to flash yet as my next batch of esp8266 has not arrived yet.
Info: esptool v0.0.3 - (c) 2014 Ch. Klippel <ck@atelier-klippel.de>
**Warning: using ELF file "build/esphttpd.out"
Info: loading string table from ELF file
Info: building ELF section list
Info: ELF section list created: 21 entries
**Warning: created structure for binimage "firmware/0x00000.bin" with entry address 0x40100004
**Warning: added segment #0 to binimage for address 0x40100000 with size 0x00006394
**Warning: added segment #1 to binimage for address 0x3FFE8000 with size 0x00000AE0
**Warning: added segment #2 to binimage for address 0x3FFE8AE0 with size 0x00001444
**Warning: saved binimage file, total size is 33504 bytes, checksum byte is 0x7D
FW firmware/0x40000.bin
Info: esptool v0.0.3 - (c) 2014 Ch. Klippel <ck@atelier-klippel.de>
**Warning: using ELF file "build/esphttpd.out"
Info: loading string table from ELF file
Info: building ELF section list
Info: ELF section list created: 21 entries
**Warning: saved section ".irom0.text" to file "firmware/0x40000.bin"