This is cutadapt 2.10 with Python 3.6.7
Command line parameters: -j 1 -a AGATCGGAAGAGC -q 20 -m 36 -O 3 -o fastq/zr1394_8_s456.fastq.gz zr1394_8_s456.fastq.gz
Processing reads on 1 core in single-end mode ...
Finished in 1094.43 s (28 us/read; 2.15 M reads/minute).

=== Summary ===

Total reads processed:              39,136,514
Reads with adapters:                   230,842 (0.6%)
Reads written (passing filters):    38,891,479 (99.4%)

Total basepairs processed: 1,968,545,164 bp
Quality-trimmed:               2,012,847 bp (0.1%)
Total written (filtered):  1,958,829,733 bp (99.5%)

=== Adapter 1 ===

Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 230842 times

No. of allowed errors:
0-9 bp: 0; 10-13 bp: 1

Bases preceding removed adapters:
  A: 26.2%
  C: 1.7%
  G: 36.7%
  T: 35.3%
  none/other: 0.0%

Overview of removed sequences
length	count	expect	max.err	error counts
3	184704	611508.0	0	184704
4	36406	152877.0	0	36406
5	4814	38219.3	0	4814
6	470	9554.8	0	470
7	1447	2388.7	0	1447
8	486	597.2	0	486
9	271	149.3	0	21 250
10	614	37.3	1	13 601
11	250	9.3	1	26 224
12	135	2.3	1	0 135
13	62	0.6	1	0 62
14	50	0.6	1	0 50
15	78	0.6	1	0 78
16	178	0.6	1	0 178
17	460	0.6	1	0 460
18	320	0.6	1	0 320
19	42	0.6	1	0 42
20	4	0.6	1	0 4
21	5	0.6	1	0 5
22	4	0.6	1	0 4
23	3	0.6	1	0 3
24	3	0.6	1	0 3
25	7	0.6	1	0 7
26	3	0.6	1	0 3
27	6	0.6	1	0 6
28	7	0.6	1	0 7
29	2	0.6	1	0 2
30	1	0.6	1	0 1
31	1	0.6	1	0 1
32	2	0.6	1	0 2
33	3	0.6	1	0 3
34	2	0.6	1	0 2
35	1	0.6	1	0 1
37	1	0.6	1	0 1