curl @7.57.0 won't install

[dershow]

I'm trying to upgrade curl from 7.56.1_1 to 7.57. It is building, but fails to actually install:

--->  Computing dependencies for curl
--->  Fetching archive for curl
--->  Attempting to fetch curl-7.57.0_0+ssl+universal.darwin_17.i386-x86_64.tbz2 from https://packages.macports.org/curl
--->  Attempting to fetch curl-7.57.0_0+ssl+universal.darwin_17.i386-x86_64.tbz2 from http://sea.us.packages.macports.org/macports/packages/curl
--->  Attempting to fetch curl-7.57.0_0+ssl+universal.darwin_17.i386-x86_64.tbz2 from http://ywg.ca.packages.macports.org/mirror/macports/packages/curl
--->  Fetching distfiles for curl
--->  Verifying checksums for curl
--->  Extracting curl
--->  Configuring curl
Warning: reinplace s|-arch [a-z0-9_]+||g didn't change anything in /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_curl/curl/work/curl-7.57.0-x86_64/libcurl.pc
Warning: reinplace s/ '(host_alias|--host)=[^']+'//g didn't change anything in /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_curl/curl/work/curl-7.57.0-x86_64/curl-config
Warning: reinplace s|-arch [a-z0-9_]+||g didn't change anything in /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_curl/curl/work/curl-7.57.0-i386/libcurl.pc
Warning: reinplace s/ '(host_alias|--host)=[^']+'//g didn't change anything in /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_curl/curl/work/curl-7.57.0-i386/curl-config
--->  Building curl
--->  Staging curl into destroot
Error: Failed to destroot curl: curl-config differs in /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_curl/curl/work/destroot-i386//opt/local/bin and /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_curl/curl/work/destroot-x86_64//opt/local/bin and cannot be merged
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_curl/curl/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.

I've attached the full log as well.

[ryandesign (Ryan Carsten Schmidt)]

Duplicate of #55409.