localhost:~/./$ rm -rf abc

localhost:~/./$ mkdir abc

localhost:~/./$ git init abc -q

localhost:~/./$ touch abc/foobar.txt

localhost:~/abc/$ git add foobar.txt

localhost:~/abc/$ git remote add abc git://localhost/abc/

localhost:~/abc/$ git switch --create master
Switched to a new branch 'master'

localhost:~/abc/$ git commit -m "Title" -m "Description..."
[master (root-commit) cc9ebb4] Title
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 foobar.txt

localhost:~/abc/$ git push --set-upstream abc master
fatal: Could not read from remote repository.

localhost:~/./$ rm -rf abc

localhost:~/./$ mkdir abc

localhost:~/./$ git init abc -q

localhost:~/./$ touch abc/foobar.txt

localhost:~/abc/$ git add foobar.txt

localhost:~/abc/$ git remote add abc git://localhost/abc/

localhost:~/abc/$ git switch --create master
Switched to a new branch 'master'

localhost:~/abc/$ git commit -m "Title" -m "Description..."
[master (root-commit) cc9ebb4] Title
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 foobar.txt

localhost:~/abc/$ git push --set-upstream abc master
fatal: Could not read from remote repository.