Error - no pdf made as result

[IllBeWatchingYou]

make docker

docker build -t localhost/skerkour/ebook:latest .
Sending build context to Docker daemon 16.38kB
Step 1/12 : FROM ubuntu:latest
---> c6b84b685f35
Step 2/12 : RUN apt update
---> Using cache
---> 1a0f34424277
Step 3/12 : RUN apt upgrade -y
---> Using cache
---> 65a81a47a76e
Step 4/12 : ENV USER=ebook
---> Using cache
---> 09ddd6d66ad2
Step 5/12 : ENV UID=10001
---> Using cache
---> 9e5079c9fc13
Step 6/12 : RUN adduser --disabled-password --gecos "" --home "/nonexistent" --shell "/sbin/nologin" --no-create-home --uid "${UID}" "${USER}"
---> Using cache
---> ef1b6e6fe127
Step 7/12 : ENV DEBIAN_FRONTEND noninteractive
---> Using cache
---> 2b16332fa839
Step 8/12 : RUN apt install -y vim calibre pdftk epubcheck binutils make wget imagemagick
---> Using cache
---> e67f0f0bc35b
Step 9/12 : RUN apt install -y pandoc libpar-packer-perl perl-doc zlib1g zlib1g-dev expat texlive-latex-base texlive-latex-extra texlive-xetex texlive librsvg2-bin texlive-fonts-recommended texlive-fonts-extra texlive-xetex texlive-latex-recommended
---> Using cache
---> a6b7d94386b0
Step 10/12 : USER ebook:ebook
---> Using cache
---> 268852e0ee26
Step 11/12 : WORKDIR /ebook
---> Using cache
---> c9f53dbab38d
Step 12/12 : CMD ["make", "all"]
---> Using cache
---> f29c71616ef1
Successfully built f29c71616ef1
Successfully tagged localhost/skerkour/ebook:latest

docker run -ti --rm -v pwd:/ebook localhost/skerkour/ebook

pandoc settings.txt src/ch_01.md src/ch_02.md src/ch_03.md src/ch_04.md src/ch_05.md src/ch_06.md src/ch_07.md src/ch_08.md src/ch_09.md src/ch_10.md src/ch_11.md src/ch_12.md src/ch_13.md src/ch_14.md
--resource-path=src
--output=ebooks/black_hat_rust_content.pdf
--pdf-engine=xelatex
--table-of-contents --toc-depth=2
--number-sections
--top-level-division=chapter
--include-in-header inline_code.tex
-V fontsize=12pt
-V documentclass=report
-V linkcolor:blue
--highlight-style tango_theme.json
-M date="v2021.41"
Unknown highlight-style tango_theme.json
make: *** [Makefile:33: pdf] Error 6