This is BibTeX, Version 0.99d (TeX Live 2021)
Capacity: max_strings=200000, hash_size=200000, hash_prime=170003
The top-level auxiliary file: Report.aux
The style file: ieeetr.bst
Database file #1: bib.bib
Warning--entry type for "Transformer" isn't style-file defined
--line 1 of file bib.bib
I was expecting a `,' or a `}'---line 14 of file bib.bib
 :  
 :  editor = {Deren Yang},
(Error may have been on previous line)
I'm skipping whatever remains of this entry
Illegal end of database file---line 35 of file bib.bib
 : 
 : 
(Error may have been on previous line)
I'm skipping whatever remains of this entry
Warning--empty publisher in Yang2019
Warning--empty publisher in Stapleton2011
Warning--empty year in Stapleton2011
You've used 4 entries,
            1876 wiz_defined-function locations,
            497 strings with 3897 characters,
and the built_in function-call counts, 595 in all, are:
= -- 49
> -- 20
< -- 0
+ -- 9
- -- 5
* -- 30
:= -- 91
add.period$ -- 6
call.type$ -- 4
change.case$ -- 2
chr.to.int$ -- 0
cite$ -- 7
duplicate$ -- 31
empty$ -- 77
format.name$ -- 5
if$ -- 144
int.to.chr$ -- 0
int.to.str$ -- 4
missing$ -- 6
newline$ -- 17
num.names$ -- 4
pop$ -- 27
preamble$ -- 1
purify$ -- 0
quote$ -- 0
skip$ -- 8
stack$ -- 0
substring$ -- 0
swap$ -- 3
text.length$ -- 0
text.prefix$ -- 0
top$ -- 0
type$ -- 0
warning$ -- 3
while$ -- 4
width$ -- 5
write$ -- 33
(There were 2 error messages)