diff --git a/Cargo.lock b/Cargo.lock
index eb10968..84d56a2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,13 +4,13 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cpp_demangle 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "fallible-iterator 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-iterator 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "gimli 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "intervaltree 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy-init 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "object 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -107,7 +107,7 @@ dependencies = [
  "capstone 0.3.1 (git+https://github.com/capstone-rust/capstone-rs.git?rev=dc10578aa27414afc93f0a87959b2f0c22dc66c3)",
  "elf 0.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "fallible-iterator 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-iterator 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "gimli 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "goblin 0.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "object 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -225,7 +225,7 @@ dependencies = [
 
 [[package]]
 name = "fallible-iterator"
-version = "0.1.4"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -254,7 +254,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "fallible-iterator 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-iterator 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -277,7 +277,7 @@ name = "intervaltree"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "smallvec 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -343,7 +343,7 @@ dependencies = [
  "capstone 0.3.1 (git+https://github.com/capstone-rust/capstone-rs.git?rev=dc10578aa27414afc93f0a87959b2f0c22dc66c3)",
  "elf 0.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "fallible-iterator 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-iterator 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "gimli 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "object 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "test_common 0.1.0",
@@ -525,13 +525,16 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "smallvec"
-version = "0.6.2"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "strsim"
@@ -626,11 +629,24 @@ name = "unicode-xid"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "unreachable"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "vec_map"
 version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "walkdir"
 version = "2.1.4"
@@ -686,7 +702,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum environment 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1f4b14e20978669064c33b4c1e0fb4083412e40fe56cbea2eae80fd7591503ee"
 "checksum error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff511d5dc435d703f4971bc399647c9bc38e20cb41452e3b9feb4765419ed3f3"
 "checksum error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "07e791d3be96241c77c43846b665ef1384606da2cd2a48730abe606a12906e02"
-"checksum fallible-iterator 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d6034a9c9dfce417c7710128d202eef406878cd2fe294e76e2ee05259c9b042d"
+"checksum fallible-iterator 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "eb7217124812dc5672b7476d0c2d20cfe9f7c0f1ba0904b674a9762a0212f72e"
 "checksum fixedbitset 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "86d4de0081402f5e88cdac65c8dcdcc73118c1a7a465e2a05f0da05843a8ea33"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
 "checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
@@ -723,8 +739,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum serde_derive 1.0.68 (registry+https://github.com/rust-lang/crates.io-index)" = "6a25ad0bf818ed2d180c89addbe29198d1de6c89ed08a48aa6a4d3d16a63cbfe"
 "checksum serde_json 1.0.22 (registry+https://github.com/rust-lang/crates.io-index)" = "84b8035cabe9b35878adec8ac5fe03d5f6bc97ff6edd7ccb96b44c1276ba390e"
 "checksum skeptic 0.13.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c4474d6da9593171bcb086890fc344a3a12783cb24e5b141f8a5d0e43561f4b6"
-"checksum smallvec 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ee4f357e8cd37bf8822e1b964e96fd39e2cb5a0424f8aaa284ccaccc2162411c"
-"checksum smallvec 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "312a7df010092e73d6bbaf141957e868d4f30efd2bfd9bb1028ad91abec58514"
+"checksum smallvec 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f90c5e5fe535e48807ab94fc611d323935f39d4660c52b26b96446a7b33aef10"
+"checksum smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "88aea073965ab29f6edb5493faf96ad662fb18aa9eeb186a3b7057951605ed15"
 "checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
 "checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
 "checksum syn 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c67da57e61ebc7b7b6fff56bb34440ca3a83db037320b0507af4c10368deda7d"
@@ -736,7 +752,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
 "checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
+"checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
 "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
+"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum walkdir 2.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "63636bd0eb3d00ccb8b9036381b526efac53caf112b7783b730ab3f8e44da369"
 "checksum winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "773ef9dcc5f24b7d850d0ff101e542ff24c3b090a9768e03ff889fdef41f00fd"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
diff --git a/lib/callgraph/Cargo.toml b/lib/callgraph/Cargo.toml
index d087e10..e040511 100644
--- a/lib/callgraph/Cargo.toml
+++ b/lib/callgraph/Cargo.toml
@@ -19,7 +19,7 @@ gimli = "0.15.0"
 capstone = { git = "https://github.com/capstone-rust/capstone-rs.git", rev = "dc10578aa27414afc93f0a87959b2f0c22dc66c3" }
 elf = "0.0.10"
 error-chain = "0.12.0"
-fallible-iterator = "0.1.2"
+fallible-iterator = "0.1.6"
 byteorder = "1.2.3"
 
 [dev-dependencies]
diff --git a/lib/panic_analysis/Cargo.toml b/lib/panic_analysis/Cargo.toml
index a2dc62a..ddb6030 100644
--- a/lib/panic_analysis/Cargo.toml
+++ b/lib/panic_analysis/Cargo.toml
@@ -13,7 +13,7 @@ workspace = "../.."
 [dependencies]
 callgraph = { path = "../../lib/callgraph" }
 gimli = "0.15.0"
-fallible-iterator = "0.1.2"
+fallible-iterator = "0.1.6"
 error-chain = "0.12.0"
 
 [dev-dependencies]