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_7_s456.fastq.gz zr1394_7_s456.fastq.gz
Processing reads on 1 core in single-end mode ...
Finished in 1415.16 s (28 us/read; 2.14 M reads/minute).

=== Summary ===

Total reads processed:              50,399,353
Reads with adapters:                   298,147 (0.6%)
Reads written (passing filters):    50,029,410 (99.3%)

Total basepairs processed: 2,532,578,583 bp
Quality-trimmed:               2,675,889 bp (0.1%)
Total written (filtered):  2,518,377,809 bp (99.4%)

=== Adapter 1 ===

Sequence: AGATCGGAAGAGC; Type: regular 3'; Length: 13; Trimmed: 298147 times

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

Bases preceding removed adapters:
  A: 27.8%
  C: 2.5%
  G: 32.8%
  T: 36.9%
  none/other: 0.0%

Overview of removed sequences
length	count	expect	max.err	error counts
3	233073	787489.9	0	233073
4	47951	196872.5	0	47951
5	6971	49218.1	0	6971
6	678	12304.5	0	678
7	1959	3076.1	0	1959
8	1002	769.0	0	1002
9	471	192.3	0	58 413
10	855	48.1	1	19 836
11	465	12.0	1	57 408
12	302	3.0	1	4 298
13	133	0.8	1	0 133
14	127	0.8	1	0 127
15	216	0.8	1	0 216
16	561	0.8	1	0 561
17	1592	0.8	1	0 1592
18	1378	0.8	1	0 1378
19	143	0.8	1	0 143
20	22	0.8	1	0 22
21	16	0.8	1	0 16
22	6	0.8	1	0 6
23	12	0.8	1	0 12
24	16	0.8	1	0 16
25	15	0.8	1	0 15
26	33	0.8	1	0 33
27	32	0.8	1	0 32
28	21	0.8	1	0 21
29	5	0.8	1	0 5
30	10	0.8	1	0 10
31	18	0.8	1	0 18
32	23	0.8	1	0 23
33	15	0.8	1	0 15
34	15	0.8	1	0 15
35	7	0.8	1	0 7
36	2	0.8	1	0 2
37	2	0.8	1	0 2