diff --git a/Cargo.lock b/Cargo.lock
index da8c543..41284f7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,14 +1,5 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-[[package]]
-name = "addr2line"
-version = "0.14.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a55f82cfe485775d02112886f4169bde0c5894d75e79ead7eafe7e40a25e45f7"
-dependencies = [
- "gimli",
-]
-
 [[package]]
 name = "adler"
 version = "1.0.2"
@@ -32,7 +23,7 @@ checksum = "4f823d037a7ec6ea2197046bafd4ae150e6bc36f9ca347404f46a46823fa84f2"
 dependencies = [
  "approx",
  "num-complex 0.2.4",
- "num-traits 0.2.14",
+ "num-traits",
 ]
 
 [[package]]
@@ -56,7 +47,7 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0e60b75072ecd4168020818c0107f2857bb6c4e64252d8d3983f6263b40a5c3"
 dependencies = [
- "num-traits 0.2.14",
+ "num-traits",
 ]
 
 [[package]]
@@ -65,18 +56,6 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06e97b4e522f9e55523001238ac59d13a8603af57f69980de5d8de4bbbe8ada6"
 
-[[package]]
-name = "assert_cmd"
-version = "0.10.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7ac5c260f75e4e4ba87b7342be6edcecbcb3eb6741a0507fda7ad115845cc65"
-dependencies = [
- "escargot",
- "predicates",
- "predicates-core",
- "predicates-tree",
-]
-
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -94,28 +73,14 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
-[[package]]
-name = "backtrace"
-version = "0.3.56"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d117600f438b1707d4e4ae15d3595657288f8235a0eb593e80ecc98ab34e1bc"
-dependencies = [
- "addr2line",
- "cfg-if",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
-]
-
 [[package]]
 name = "bgzip"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adff113e9fe73a6d0c4efd0f143857bd6bdad40743542f3f57464398c532234f"
+checksum = "9ae453df22890e3de98874f7bb6adb9eedd871a026eb9ffbaf70b85ef88e6dd8"
 dependencies = [
- "failure",
  "flate2",
+ "thiserror",
 ]
 
 [[package]]
@@ -143,7 +108,7 @@ dependencies = [
  "ndarray",
  "newtype_derive",
  "num-integer",
- "num-traits 0.2.14",
+ "num-traits",
  "ordered-float",
  "petgraph",
  "regex",
@@ -310,7 +275,7 @@ dependencies = [
  "csv",
  "itertools 0.10.0",
  "lazy_static",
- "num-traits 0.2.14",
+ "num-traits",
  "oorandom",
  "plotters",
  "rayon",
@@ -417,12 +382,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "difference"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
-
 [[package]]
 name = "either"
 version = "1.6.1"
@@ -450,53 +409,12 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "enum_primitive"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4551092f4d519593039259a9ed8daedf0da12e5109c5280338073eaeb81180"
-dependencies = [
- "num-traits 0.1.43",
-]
-
-[[package]]
-name = "escargot"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19db1f7e74438642a5018cdf263bb1325b2e792f02dd0a3ca6d6c0f0d7b1d5a5"
-dependencies = [
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "exitcode"
 version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "de853764b47027c2e862a995c34978ffa63c1501f2e15f987ba11bd4f9bba193"
 
-[[package]]
-name = "failure"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d32e9bd16cc02eae7db7ef620b392808b89f6a5e16bb3497d159c6b92a0f4f86"
-dependencies = [
- "backtrace",
- "failure_derive",
-]
-
-[[package]]
-name = "failure_derive"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
-
 [[package]]
 name = "feature-probe"
 version = "0.1.1"
@@ -521,15 +439,6 @@ dependencies = [
  "miniz_oxide",
 ]
 
-[[package]]
-name = "float-cmp"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1267f4ac4f343772758f7b1bdcbe767c218bbab93bb432acbf5162bbf85a6c4"
-dependencies = [
- "num-traits 0.2.14",
-]
-
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -587,12 +496,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "gimli"
-version = "0.23.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
-
 [[package]]
 name = "half"
 version = "1.7.1"
@@ -623,21 +526,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "human-panic"
-version = "1.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39f357a500abcbd7c5f967c1d45c8838585b36743823b9d43488f24850534e36"
-dependencies = [
- "backtrace",
- "os_type",
- "serde",
- "serde_derive",
- "termcolor",
- "toml",
- "uuid",
-]
-
 [[package]]
 name = "indexmap"
 version = "1.6.2"
@@ -672,7 +560,7 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a872a22f9e6f7521ca557660adb96dd830e54f0f490fa115bb55dd69d38b27e7"
 dependencies = [
- "num-traits 0.2.14",
+ "num-traits",
 ]
 
 [[package]]
@@ -783,7 +671,7 @@ dependencies = [
  "matrixmultiply",
  "num-complex 0.2.4",
  "num-rational",
- "num-traits 0.2.14",
+ "num-traits",
  "rand 0.7.3",
  "rand_distr",
  "typenum",
@@ -798,7 +686,7 @@ dependencies = [
  "matrixmultiply",
  "num-complex 0.3.1",
  "num-integer",
- "num-traits 0.2.14",
+ "num-traits",
  "rawpointer",
 ]
 
@@ -813,25 +701,18 @@ dependencies = [
 
 [[package]]
 name = "niffler"
-version = "2.3.1"
+version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ea40fb13399dd0e9780ea3d82cb6cf27f489f63d820aa7dc9ec967750dc6d58"
+checksum = "52a7f12f3a029d01c9018f80bf5335b0f39f26c1cc898d394e8b72db09ee7957"
 dependencies = [
  "bgzip",
  "bzip2",
  "cfg-if",
- "enum_primitive",
  "flate2",
  "thiserror",
  "xz2",
 ]
 
-[[package]]
-name = "normalize-line-endings"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61807f77802ff30975e01f4f071c8ba10c022052f98b3294119f3e615d13e5be"
-
 [[package]]
 name = "num-complex"
 version = "0.2.4"
@@ -839,7 +720,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6b19411a9719e753aff12e5187b74d60d3dc449ec3f4dc21e3989c3f554bc95"
 dependencies = [
  "autocfg",
- "num-traits 0.2.14",
+ "num-traits",
 ]
 
 [[package]]
@@ -848,7 +729,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "747d632c0c558b87dbabbe6a82f3b4ae03720d0646ac5b7b4dae89394be5f2c5"
 dependencies = [
- "num-traits 0.2.14",
+ "num-traits",
 ]
 
 [[package]]
@@ -858,7 +739,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
 dependencies = [
  "autocfg",
- "num-traits 0.2.14",
+ "num-traits",
 ]
 
 [[package]]
@@ -869,16 +750,7 @@ checksum = "5c000134b5dbf44adc5cb772486d335293351644b801551abe8f75c84cfa4aef"
 dependencies = [
  "autocfg",
  "num-integer",
- "num-traits 0.2.14",
-]
-
-[[package]]
-name = "num-traits"
-version = "0.1.43"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
-dependencies = [
- "num-traits 0.2.14",
+ "num-traits",
 ]
 
 [[package]]
@@ -901,12 +773,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "object"
-version = "0.23.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9a7ab5d64814df0fe4a4b5ead45ed6c5f181ee3ff04ba344313a6c80446c5d4"
-
 [[package]]
 name = "oorandom"
 version = "11.1.3"
@@ -919,16 +785,7 @@ version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3305af35278dd29f46fcdd139e0b1fbfae2153f0e5928b39b035542dd31e37b7"
 dependencies = [
- "num-traits 0.2.14",
-]
-
-[[package]]
-name = "os_type"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7edc011af0ae98b7f88cf7e4a83b70a54a75d2b8cb013d6efd02e5956207e9eb"
-dependencies = [
- "regex",
+ "num-traits",
 ]
 
 [[package]]
@@ -953,7 +810,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "45ca0ae5f169d0917a7c7f5a9c1a3d3d9598f18f529dd2b8373ed988efea307a"
 dependencies = [
- "num-traits 0.2.14",
+ "num-traits",
  "plotters-backend",
  "plotters-svg",
  "wasm-bindgen",
@@ -981,35 +838,6 @@ version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
-[[package]]
-name = "predicates"
-version = "1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f49cfaf7fdaa3bfacc6fa3e7054e65148878354a5cfddcf661df4c851f8021df"
-dependencies = [
- "difference",
- "float-cmp",
- "normalize-line-endings",
- "predicates-core",
- "regex",
-]
-
-[[package]]
-name = "predicates-core"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57e35a3326b75e49aa85f5dc6ec15b41108cf5aee58eabb1f274dd18b73c2451"
-
-[[package]]
-name = "predicates-tree"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15f553275e5721409451eb85e15fd9a860a6e5ab4496eb215987502b5f5391f2"
-dependencies = [
- "predicates-core",
- "treeline",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.26"
@@ -1193,12 +1021,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "rustc-demangle"
-version = "0.1.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e3bad0ee36814ca07d7968269dd4b7ec89ec2da10c4bb613928d3077083c232"
-
 [[package]]
 name = "rustc_version"
 version = "0.1.7"
@@ -1225,17 +1047,14 @@ checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
 [[package]]
 name = "sabreur"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "anyhow",
- "assert_cmd",
  "bio",
  "clap",
  "criterion",
  "exitcode",
- "human-panic",
  "niffler",
- "predicates",
  "tempfile",
  "thiserror",
 ]
@@ -1362,18 +1181,6 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "synstructure"
-version = "0.12.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "unicode-xid",
-]
-
 [[package]]
 name = "tempfile"
 version = "3.2.0"
@@ -1388,15 +1195,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "termcolor"
-version = "1.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "textwrap"
 version = "0.11.0"
@@ -1436,21 +1234,6 @@ dependencies = [
  "serde_json",
 ]
 
-[[package]]
-name = "toml"
-version = "0.5.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "treeline"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7f741b240f1a48843f9b8e0444fb55fb2a4ff67293b50a9179dfd5ea67f8d41"
-
 [[package]]
 name = "triple_accel"
 version = "0.3.4"
@@ -1481,15 +1264,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
-[[package]]
-name = "uuid"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
-dependencies = [
- "getrandom 0.2.2",
-]
-
 [[package]]
 name = "vec_map"
 version = "0.8.2"
diff --git a/Cargo.toml b/Cargo.toml
index 4d8559c..dfb9003 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sabreur"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["Anicet Ebou <anicet.ebou@gmail.com>"]
 edition = "2018"
 exclude = ["CODE_OF_CONDUCT.md", "tests/*", "benches/*", ".github/*", ".cargo/*"]
@@ -16,14 +16,11 @@ anyhow        = "1.0.40"
 bio           = "0.33.0"
 clap          = "~2.33"
 exitcode      = "1.1.2"
-human-panic   = "1.0.3"
-niffler       = "2.3"
+niffler       = "2.3.2"
 thiserror     = "1.0"
 
 [dev-dependencies]
 criterion     = "0.3"
-assert_cmd    = "0.10"
-predicates    = "1"
 tempfile      = "3"
 
 [profile.release]
diff --git a/src/main.rs b/src/main.rs
index c3278a4..16a1f66 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,7 +6,6 @@
 extern crate anyhow;
 extern crate clap;
 extern crate exitcode;
-extern crate human_panic;
 
 use std::collections::HashMap;
 use std::fs;
@@ -17,7 +16,6 @@ use std::time::Instant;
 
 use anyhow::{anyhow, Context, Result};
 use clap::{App, Arg};
-use human_panic::setup_panic;
 
 mod error;
 mod utils;
@@ -25,8 +23,6 @@ mod utils;
 const VERSION: &str = "0.3.0";
 
 fn main() -> Result<()> {
-    setup_panic!();
-
     // Define command-line arguments ----------------------------------------
     let matches = App::new("sabreur")
         .version(format!("v{}", VERSION).as_str())