=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Fetching mhchem.doc.tar.xz
=> Total size: 225968 bytes
fetch: http://www.minix3.org//distfiles-backup/tex-mhchem-19018/mhchem.doc.tar.xz: Not Found
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: ftp://ftp.netbsd.org/pub/pkgsrc/distfiles/tex-mhchem-19018tex-mhchem-19018/mhchem.doc.tar.xz: File unavailable (e.g., file not found, no access)
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: ftp://ftp.freebsd.org/pub/FreeBSD/distfiles/tex-mhchem-19018tex-mhchem-19018/mhchem.doc.tar.xz: File unavailable (e.g., file not found, no access)
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: http://ftp.jp.netbsd.org/pub/pkgsrc/distfiles/tex-mhchem-19018tex-mhchem-19018/mhchem.doc.tar.xz: Not Found
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: http://ftp.jp.netbsd.org/pub/pkgsrc/distfiles/tex-mhchem-19018mhchem.doc.tar.xz: Not Found
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: http://www.minix3.org//distfiles-backup/mhchem.doc.tar.xz: Not Found
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: ftp://ftp.netbsd.org/pub/pkgsrc/distfiles/tex-mhchem-19018mhchem.doc.tar.xz: File unavailable (e.g., file not found, no access)
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: ftp://ftp.freebsd.org/pub/FreeBSD/distfiles/tex-mhchem-19018mhchem.doc.tar.xz: File unavailable (e.g., file not found, no access)
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: http://www.minix3.org//distfiles-backup/tex-mhchem-19018/mhchem.doc.tar.xz: Not Found
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: ftp://ftp.netbsd.org/pub/pkgsrc/distfiles/tex-mhchem-19018tex-mhchem-19018/mhchem.doc.tar.xz: File unavailable (e.g., file not found, no access)
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: ftp://ftp.freebsd.org/pub/FreeBSD/distfiles/tex-mhchem-19018tex-mhchem-19018/mhchem.doc.tar.xz: File unavailable (e.g., file not found, no access)
fetch: Unable to fetch expected file mhchem.doc.tar.xz
fetch: http://ftp.jp.netbsd.org/pub/pkgsrc/distfiles/tex-mhchem-19018tex-mhchem-19018/mhchem.doc.tar.xz: Not Found
fetch: Unable to fetch expected file mhchem.doc.tar.xz
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/print/tex-mhchem-doc