[Pkg-javascript-devel] Bug#878337: node-grunt-contrib-concat: FTBFS and Debci failure with node-source-map 0.6

[Adrian Bunk]

Source: node-grunt-contrib-concat
Version: 1.0.1-2
Severity: serious
Tags: buster sid

https://ci.debian.net/packages/n/node-grunt-contrib-concat/unstable/amd64/
https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/node-grunt-contrib-concat.html

...
   debian/rules override_dh_auto_test
make[1]: Entering directory '/build/1st/node-grunt-contrib-concat-1.0.1'
grunt test
Running "clean:tests" (clean) task
>> 0 paths cleaned.

Running "concat:default_options" (concat) task

Running "concat:custom_options" (concat) task

Running "concat:handling_invalid_files" (concat) task
>> Source file "invalid_file/should_warn/but_not_fail" not found.

Running "concat:process_function" (concat) task

Running "concat:dir" (concat) task

Running "concat:overwrite_one" (concat) task

Running "concat:overwrite_two" (concat) task

Running "concat:sourcemap_options" (concat) task

Running "concat:sourcemap2_options" (concat) task
Warning: original.line and original.column are not numbers -- you probably meant to omit the original mapping entirely and only map the generated position. If so, pass null for the original mapping instead of an object with empty or null values. Use --force to continue.

Aborted due to warnings.
debian/rules:13: recipe for target 'override_dh_auto_test' failed
make[1]: *** [override_dh_auto_test] Error 3