Relax version requirement to fix build

bump-versions.diff

@@ -0,0 +1,15 @@
+--- zram-generator-0.1.1/Cargo.toml~	1970-01-01 01:00:00.000000000 +0100
++++ zram-generator-0.1.1/Cargo.toml	2019-03-01 16:48:14.223492246 +0100
+@@ -18,10 +18,10 @@
+ homepage = "https://github.com/systemd/zram-generator"
+ license = "MIT"
+ [dependencies.failure]
+-version = "0.1"
++version = "0.1.2"
+ 
+ [dependencies.failure_derive]
+ version = "0.1"
+ 
+ [dependencies.rust-ini]
+-version = "0.12"
++version = "~0.12"

rust-zram-generator.spec

@@ -18,10 +18,12 @@ BuildRequires:  rust-packaging
 # [dependencies]
 BuildRequires:  (crate(failure) >= 0.1.0 with crate(failure) < 0.2.0)
 BuildRequires:  (crate(failure_derive) >= 0.1.0 with crate(failure_derive) < 0.2.0)
-BuildRequires:  (crate(rust-ini) >= 0.12.0 with crate(rust-ini) < 0.13.0)
+BuildRequires:  (crate(rust-ini) >= 0.12.0 with crate(rust-ini) < 1.0.0)
 
 BuildRequires:  systemd
 
+Patch0:         bump-versions.diff
+
 %description
 This is a systemd unit generator that creates a unit file to create a
 zram device. To activate, copy
@@ -59,6 +61,9 @@ mv -v %{buildroot}%{_bindir}/zram-generator %{buildroot}%{_systemdgeneratordir}/
 %{_systemdgeneratordir}/zram-generator
 
 %changelog
+* Fri Mar  1 2019 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 0.1.1-2
+- Add crude patch to fix build (#1676154)
+
 * Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild