:lady_beetle: Compression ratio incorrect when using tar -I about lrzip-next HOT 2 CLOSED

$ tar -I 'src/lrzip-next -L1' -cf enwik8.tar.lrz ../enwik8
tar: Removing leading `../' from member names
Using configuration file /home/peter/.lrzip/lrzip.conf
The following options are in effect for this COMPRESSION.
Threading is ENABLED. Number of CPUs detected: 8
Detected 16,558,108,672 bytes ram
Nice Value: 19
Show Progress
Verbose
Temporary Directory set as: ./
Compression mode is: LZMA. LZ4 Compressibility testing enabled
Compression level 1
RZIP Compression level 1
Initial LZMA Dictionary Size: 262,144
SHA256 Hashing Used
Heuristically Computed Compression Window: 26 = 2,600MB
Per Thread Memory Overhead is 9,322,496
Beginning rzip pre-processing phase
STDIN - Cannot compute compression ratio with STDOUT
Total time: 00:00:02.33

$ src/lrzip-next -vvi enwik8.tar.lrz
Using configuration file /home/peter/.lrzip/lrzip.conf
Detected lrzip version 0.8 file.
Rzip chunk:       1
Chunk byte width: 4
Chunk size:       100,003,840
Stream: 0
Offset: 24
Block   Comp    Percent        Comp Size /     UComp Size            Offset :           Head
1       lzma     63.2%           141,415 /        223,630        29,749,888 :              0
Stream: 1
Offset: 37
Block   Comp    Percent        Comp Size /     UComp Size            Offset :           Head
1       lzma     34.2%         3,802,876 /     11,112,448                50 :      3,802,915
2       lzma     33.6%         3,730,900 /     11,112,448         3,802,939 :      7,533,828
3       lzma     33.3%         3,702,228 /     11,112,448         7,533,852 :     11,236,069
4       lzma     33.2%         3,690,800 /     11,112,448        11,236,093 :     14,926,882
5       lzma     33.6%         3,729,223 /     11,112,448        14,926,906 :     18,656,118
6       lzma     33.1%         3,677,751 /     11,112,448        18,656,142 :     22,333,882
7       lzma     32.9%         3,659,856 /     11,112,448        22,333,906 :     25,993,751
8       lzma     33.8%         3,756,100 /     11,112,448        25,993,775 :     29,891,292
9       lzma     32.6%         3,079,941 /      9,455,915        29,891,316 :              0

Summary
=======
File: enwik8.tar.lrz
lrzip-next version: 0.8 file

  Stats         Percent       Compressed /   Uncompressed
  -------------------------------------------------------
  Rzip:          98.6%        98,579,129 /    100,003,840
  Back end:      33.4%        32,971,090 /     98,579,129
  Overall:       33.0%        32,971,090 /    100,003,840

  Compression Method: rzip + lzma -- lc = 3, lp = 0, pb = 2, Dictionary Size = 262,144

  Decompressed file size:    100,003,840
  Compressed file size:       32,971,302
  Compression ratio:               3.033x, bpb: 2.638

  SHA256 Checksum: 6e8f60d0bcc8e8d3b9b90928398ecbfbb187581d6aa92a9359d23acc6996cb7e

$ tar -I 'src/lrzip-next' -tvvf enwik8.tar.lrz
Using configuration file /home/peter/.lrzip/lrzip.conf
The following options are in effect for this DECOMPRESSION.
Threading is ENABLED. Number of CPUs detected: 8
Detected 16,558,108,672 bytes ram
Nice Value: 19
Show Progress
Verbose
Temporary Directory set as: ./
Outputting to stdout.
Detected lrzip version 0.8 file.
SHA256 being used for integrity testing.
Unable to validate a file from STDIN. To validate, check file directly.
Detected lrzip version 0.8 file.
-rw-r--r-- peter/users 100000000 2011-06-01 09:24 enwik8

Average DeCompression Speed: 95.000MB/s
SHA256:6e8f60d0bcc8e8d3b9b90928398ecbfbb187581d6aa92a9359d23acc6996cb7e
[OK] - 100,003,840 bytes                                
Total time: 00:00:00.46