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_17_s456.fastq.gz zr1394_17_s456.fastq.gz
Processing reads on 1 core in single-end mode ...
Finished in 1217.55 s (28 us/read; 2.11 M reads/minute).

=== Summary ===

Total reads processed:              42,730,485
Reads with adapters:                   288,852 (0.7%)
Reads written (passing filters):    42,384,963 (99.2%)

Total basepairs processed: 2,143,526,203 bp
Quality-trimmed:               2,502,691 bp (0.1%)
Total written (filtered):  2,130,108,233 bp (99.4%)

=== Adapter 1 ===

Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 288852 times

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

Bases preceding removed adapters:
  A: 29.3%
  C: 2.4%
  G: 34.5%
  T: 33.9%
  none/other: 0.0%

Overview of removed sequences
length	count	expect	max.err	error counts
3	232097	667663.8	0	232097
4	41330	166916.0	0	41330
5	7514	41729.0	0	7514
6	690	10432.2	0	690
7	1822	2608.1	0	1822
8	1037	652.0	0	1037
9	422	163.0	0	61 361
10	920	40.8	1	8 912
11	430	10.2	1	86 344
12	213	2.5	1	0 213
13	151	0.6	1	0 151
14	137	0.6	1	0 137
15	184	0.6	1	0 184
16	404	0.6	1	0 404
17	816	0.6	1	0 816
18	502	0.6	1	0 502
19	62	0.6	1	0 62
20	18	0.6	1	0 18
21	3	0.6	1	0 3
22	13	0.6	1	0 13
23	11	0.6	1	0 11
24	6	0.6	1	0 6
25	7	0.6	1	0 7
26	12	0.6	1	0 12
27	15	0.6	1	0 15
28	4	0.6	1	0 4
29	4	0.6	1	0 4
30	4	0.6	1	0 4
31	3	0.6	1	0 3
32	3	0.6	1	0 3
33	4	0.6	1	0 4
34	6	0.6	1	0 6
35	5	0.6	1	0 5
36	1	0.6	1	0 1
37	2	0.6	1	0 2