Update alpm to the latest version.

Cargo.lock

@@ -2,9 +2,9 @@
 # It is not intended for manual editing.
 [[package]]
 name = "alpm"
-version = "0.10.3"
+version = "1.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f250c3fe5217651a708afb44babf79438691ba0599dacbabd061356b403e30d7"
+checksum = "e834799ef219d0fce39b43998409e9c06e62c2446015a422d32b4fb4abfc8f54"
 dependencies = [
  "alpm-sys",
  "bitflags",
@@ -12,9 +12,9 @@ dependencies = [
 
 [[package]]
 name = "alpm-sys"
-version = "1.1.1"
+version = "1.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7ec21bce781ec06de31204090442cfdc33d6b4be496239e82d796cfd8b62b23"
+checksum = "d6e4a05f349fdabd8ea6bc000fc559c674d64945571a71ff2937b9a66307c8f5"
 
 [[package]]
 name = "ansi_term"

Cargo.toml

@@ -14,7 +14,7 @@ categories = ["command-line-utilities"]
 publish = false
 
 [dependencies]
-alpm = "0.10"
+alpm = "1"
 petgraph = "0.5"
 structopt = "0.3"
 

src/lib.rs

@@ -33,10 +33,7 @@ fn get_reverse_deps_map(
     let dbs = pacman.syncdbs();
 
     for db in dbs {
-        if db.pkgs().is_err() {
-            eprintln!("Unable to get packages from sync db {}", db.name());
-        }
-        for pkg in db.pkgs()? {
+        for pkg in db.pkgs() {
             for dep in pkg.depends() {
                 reverse_deps
                     .entry(dep.name().to_string())
@@ -96,7 +93,7 @@ pub fn run(
     let pacman = pacman?;
 
     for repo in repos {
-        let _repo = pacman.register_syncdb(&repo, SigLevel::DATABASE_OPTIONAL);
+        let _repo = pacman.register_syncdb(repo, SigLevel::DATABASE_OPTIONAL);
     }
 
     let reverse_deps_map = get_reverse_deps_map(&pacman)?;