>>> oxipng: Building community/oxipng 9.1.1-r0 (using abuild 3.13.0-r3) started Thu, 02 May 2024 12:12:41 +0000
>>> oxipng: Checking sanity of /home/buildozer/aports/community/oxipng/APKBUILD...
>>> oxipng: Analyzing dependencies...
>>> oxipng: Installing for build: build-base cargo cargo-auditable
(1/9) Installing libffi (3.4.6-r0)
(2/9) Installing xz-libs (5.6.1-r3)
(3/9) Installing libxml2 (2.12.6-r2)
(4/9) Installing llvm17-libs (17.0.6-r1)
(5/9) Installing scudo-malloc (17.0.6-r0)
(6/9) Installing rust (1.77.0-r1)
(7/9) Installing cargo (1.77.0-r1)
(8/9) Installing cargo-auditable (0.6.2-r0)
(9/9) Installing .makedepends-oxipng (20240502.121243)
Executing busybox-1.36.1-r26.trigger
OK: 1120 MiB in 112 packages
>>> oxipng: Cleaning up srcdir
>>> oxipng: Cleaning up pkgdir
>>> oxipng: Cleaning up tmpdir
>>> oxipng: Fetching https://distfiles.alpinelinux.org/distfiles/v3.20/oxipng-9.1.1.tar.gz
Connecting to distfiles.alpinelinux.org (172.105.82.32:443)
saving to '/var/cache/distfiles/v3.20/oxipng-9.1.1.tar.gz.part'
oxipng-9.1.1.tar.gz.   0% |                                | 81670  0:04:15 ETA
oxipng-9.1.1.tar.gz.  15% |****                            | 3151k  0:00:10 ETA
oxipng-9.1.1.tar.gz.  37% |***********                     | 7631k  0:00:05 ETA
oxipng-9.1.1.tar.gz.  61% |*******************             | 12.2M  0:00:02 ETA
oxipng-9.1.1.tar.gz.  84% |**************************      | 16.8M  0:00:00 ETA
oxipng-9.1.1.tar.gz. 100% |********************************| 19.9M  0:00:00 ETA
'/var/cache/distfiles/v3.20/oxipng-9.1.1.tar.gz.part' saved
>>> oxipng: Fetching https://distfiles.alpinelinux.org/distfiles/v3.20/oxipng-9.1.1.tar.gz
>>> oxipng: Checking sha512sums...
oxipng-9.1.1.tar.gz: OK
>>> oxipng: Unpacking /var/cache/distfiles/v3.20/oxipng-9.1.1.tar.gz...
    Updating crates.io index
 Downloading crates ...
  Downloaded zopfli v0.8.0
  Downloaded libdeflater v1.20.0
  Downloaded libdeflate-sys v1.20.0
  Downloaded image v0.25.1
   Compiling crossbeam-utils v0.8.19
   Compiling libc v0.2.153
   Compiling utf8parse v0.2.1
   Compiling colorchoice v1.0.0
   Compiling anstyle v1.0.6
   Compiling anstyle-query v1.0.2
   Compiling strsim v0.11.1
   Compiling semver v1.0.22
   Compiling rustix v0.38.32
   Compiling clap_lex v0.7.0
   Compiling cc v1.0.92
   Compiling rayon-core v1.12.1
   Compiling linux-raw-sys v0.4.13
   Compiling bitflags v2.5.0
   Compiling radium v0.7.0
   Compiling log v0.4.21
   Compiling roff v0.2.1
   Compiling either v1.10.0
   Compiling tap v1.0.1
   Compiling bytemuck v1.15.0
   Compiling funty v2.0.0
   Compiling equivalent v1.0.1
   Compiling typed-arena v2.0.2
   Compiling hashbrown v0.14.3
   Compiling cfg-if v1.0.0
   Compiling simd-adler32 v0.3.7
   Compiling rustc-hash v1.1.0
   Compiling anstyle-parse v0.2.3
   Compiling anstream v0.6.13
   Compiling wyz v0.5.1
   Compiling env_filter v0.1.0
   Compiling zopfli v0.8.0
   Compiling rgb v0.8.37
   Compiling rustc_version v0.4.0
   Compiling env_logger v0.11.3
   Compiling clap_builder v4.5.2
   Compiling crossbeam-epoch v0.9.18
   Compiling crossbeam-channel v0.5.12
   Compiling bitvec v1.0.1
   Compiling crossbeam-deque v0.8.5
   Compiling libdeflate-sys v1.20.0
   Compiling rayon v1.10.0
   Compiling errno v0.3.8
   Compiling filetime v0.2.23
   Compiling clap v4.5.4
   Compiling clap_mangen v0.2.20
   Compiling terminal_size v0.3.0
   Compiling libdeflater v1.20.0
   Compiling oxipng v9.1.1 (/home/buildozer/aports/community/oxipng/src/oxipng-9.1.1)
   Compiling indexmap v2.2.6
    Finished release [optimized] target(s) in 44.39s
   Compiling crossbeam-utils v0.8.19
   Compiling libc v0.2.153
   Compiling utf8parse v0.2.1
   Compiling colorchoice v1.0.0
   Compiling anstyle-query v1.0.2
   Compiling anstyle v1.0.6
   Compiling strsim v0.11.1
   Compiling semver v1.0.22
   Compiling rustix v0.38.32
   Compiling clap_lex v0.7.0
   Compiling bitflags v2.5.0
   Compiling cc v1.0.92
   Compiling linux-raw-sys v0.4.13
   Compiling rayon-core v1.12.1
   Compiling radium v0.7.0
   Compiling roff v0.2.1
   Compiling log v0.4.21
   Compiling tap v1.0.1
   Compiling either v1.10.0
   Compiling equivalent v1.0.1
   Compiling funty v2.0.0
   Compiling bytemuck v1.15.0
   Compiling cfg-if v1.0.0
   Compiling hashbrown v0.14.3
   Compiling simd-adler32 v0.3.7
   Compiling typed-arena v2.0.2
   Compiling rustc-hash v1.1.0
   Compiling anstyle-parse v0.2.3
   Compiling anstream v0.6.13
   Compiling wyz v0.5.1
   Compiling rgb v0.8.37
   Compiling env_filter v0.1.0
   Compiling zopfli v0.8.0
   Compiling rustc_version v0.4.0
   Compiling env_logger v0.11.3
   Compiling clap_builder v4.5.2
   Compiling crossbeam-epoch v0.9.18
   Compiling crossbeam-channel v0.5.12
   Compiling bitvec v1.0.1
   Compiling crossbeam-deque v0.8.5
   Compiling libdeflate-sys v1.20.0
   Compiling rayon v1.10.0
   Compiling errno v0.3.8
   Compiling filetime v0.2.23
   Compiling clap v4.5.4
   Compiling clap_mangen v0.2.20
   Compiling terminal_size v0.3.0
   Compiling oxipng v9.1.1 (/home/buildozer/aports/community/oxipng/src/oxipng-9.1.1)
   Compiling libdeflater v1.20.0
   Compiling indexmap v2.2.6
    Finished test [optimized + debuginfo] target(s) in 22.44s
     Running unittests src/lib.rs (target/debug/deps/oxipng-c161464bb8397386)

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

     Running unittests src/main.rs (target/debug/deps/oxipng-7527a1ba77f85207)

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

     Running tests/filters.rs (target/debug/deps/filters-32d8f755047f24cd)

running 66 tests
test filter_0_for_palette_1 ... ok
test filter_1_for_palette_1 ... ok
test filter_2_for_palette_1 ... ok
test filter_3_for_palette_1 ... ok
test filter_0_for_palette_2 ... ok
test filter_4_for_palette_1 ... ok
test filter_5_for_palette_1 ... ok
test filter_5_for_palette_2 ... ok
test filter_0_for_palette_4 ... ok
test filter_1_for_palette_2 ... ok
test filter_3_for_palette_2 ... ok
test filter_2_for_palette_2 ... ok
test filter_4_for_palette_2 ... ok
test filter_5_for_palette_4 ... ok
test filter_1_for_palette_4 ... ok
test filter_2_for_palette_4 ... ok
test filter_3_for_palette_4 ... ok
test filter_4_for_palette_4 ... ok
test filter_3_for_grayscale_16 ... ok
test filter_0_for_grayscale_16 ... ok
test filter_0_for_grayscale_8 ... ok
test filter_4_for_grayscale_16 ... ok
test filter_0_for_grayscale_alpha_16 ... ok
test filter_2_for_grayscale_8 ... ok
test filter_2_for_grayscale_16 ... ok
test filter_1_for_grayscale_16 ... ok
test filter_1_for_grayscale_8 ... ok
test filter_3_for_grayscale_8 ... ok
test filter_0_for_grayscale_alpha_8 ... ok
test filter_5_for_grayscale_16 ... ok
test filter_5_for_grayscale_8 ... ok
test filter_4_for_grayscale_8 ... ok
test filter_2_for_grayscale_alpha_8 ... ok
test filter_3_for_grayscale_alpha_16 ... ok
test filter_4_for_grayscale_alpha_8 ... ok
test filter_1_for_grayscale_alpha_16 ... ok
test filter_2_for_grayscale_alpha_16 ... ok
test filter_1_for_grayscale_alpha_8 ... ok
test filter_3_for_grayscale_alpha_8 ... ok
test filter_5_for_grayscale_alpha_8 ... ok
test filter_4_for_rgb_8 ... ok
test filter_0_for_rgba_8 ... ok
test filter_4_for_grayscale_alpha_16 ... ok
test filter_5_for_grayscale_alpha_16 ... ok
test filter_0_for_rgb_8 ... ok
test filter_3_for_rgb_8 ... ok
test filter_1_for_rgb_8 ... ok
test filter_2_for_rgb_8 ... ok
test filter_0_for_rgb_16 ... ok
test filter_2_for_rgba_8 ... ok
test filter_5_for_rgb_8 ... ok
test filter_0_for_rgba_16 ... ok
test filter_3_for_rgba_8 ... ok
test filter_1_for_rgb_16 ... ok
test filter_1_for_rgba_8 ... ok
test filter_3_for_rgb_16 ... ok
test filter_4_for_rgba_8 ... ok
test filter_2_for_rgb_16 ... ok
test filter_5_for_rgba_8 ... ok
test filter_1_for_rgba_16 ... ok
test filter_5_for_rgb_16 ... ok
test filter_5_for_rgba_16 ... ok
test filter_4_for_rgb_16 ... ok
test filter_2_for_rgba_16 ... ok
test filter_4_for_rgba_16 ... ok
test filter_3_for_rgba_16 ... ok

test result: ok. 66 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.23s

     Running tests/flags.rs (target/debug/deps/flags-1dee4ae5490da20d)

running 17 tests
test interlacing_1_to_0_small_files ... ok
test no_color_type_change ... ok
test interlacing_0_to_1_small_files ... ok
test no_bit_depth_change ... ok
test no_grayscale_change ... ok
test scale_16 ... ok
test strip_headers_all ... ok
test strip_headers_safe ... ok
test strip_headers_list ... ok
test interlacing_1_to_0 ... ok
test preserve_attrs ... ok
test fix_errors ... ok
test strip_headers_none ... ok
test verbose_mode ... ok
test interlacing_0_to_1 ... ok
test interlaced_0_to_1_other_filter_mode ... ok
test zopfli_mode ... ok

test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.37s

     Running tests/interlaced.rs (target/debug/deps/interlaced-22a12fb579dd03a4)

running 56 tests
test interlaced_small_files ... ok
test interlaced_palette_8_should_be_palette_1 ... ok
test interlaced_palette_1_should_be_palette_1 ... ok
test interlaced_palette_2_should_be_palette_1 ... ok
test interlaced_palette_4_should_be_palette_1 ... ok
test interlaced_palette_8_should_be_palette_2 ... ok
test interlaced_palette_2_should_be_palette_2 ... ok
test interlaced_palette_4_should_be_palette_2 ... ok
test interlaced_rgb_16_should_be_palette_1 ... ok
test interlaced_rgb_8_should_be_palette_1 ... ok
test interlaced_rgba_8_should_be_palette_1 ... ok
test interlaced_rgba_16_should_be_palette_1 ... ok
test interlaced_rgba_8_should_be_palette_2 ... ok
test interlaced_palette_8_should_be_palette_4 ... ok
test interlaced_rgb_16_should_be_palette_2 ... ok
test interlaced_palette_4_should_be_palette_4 ... ok
test interlaced_rgb_8_should_be_palette_2 ... ok
test interlaced_rgba_16_should_be_palette_2 ... ok
test interlaced_rgb_8_should_be_palette_4 ... ok
test interlaced_rgb_16_should_be_palette_4 ... ok
test interlaced_grayscale_16_should_be_grayscale_16 ... ok
test interlaced_grayscale_8_should_be_grayscale_8 ... ok
test interlaced_rgb_8_should_be_grayscale_8 ... ok
test interlaced_rgb_16_should_be_grayscale_8 ... ok
test interlaced_palette_8_should_be_grayscale_8 ... ok
test interlaced_rgba_16_should_be_grayscale_8 ... ok
test interlaced_rgba_8_should_be_palette_4 ... ok
test interlaced_grayscale_alpha_16_should_be_grayscale_8 ... ok
test interlaced_grayscale_16_should_be_grayscale_8 ... ok
test interlaced_rgba_16_should_be_palette_4 ... ok
test interlaced_rgba_16_should_be_grayscale_16 ... ok
test interlaced_grayscale_alpha_8_should_be_grayscale_8 ... ok
test interlaced_rgba_8_should_be_grayscale_8 ... ok
test interlaced_grayscale_alpha_8_should_be_grayscale_alpha_8 ... ok
test interlaced_rgba_8_should_be_grayscale_alpha_8 ... ok
test interlaced_rgba_16_should_be_grayscale_alpha_8 ... ok
test interlaced_rgba_16_should_be_grayscale_alpha_16 ... ok
test interlaced_rgba_16_should_be_palette_8 ... ok
test interlaced_palette_8_should_be_palette_8 ... ok
test interlaced_grayscale_alpha_16_should_be_grayscale_alpha_8 ... ok
test interlaced_rgb_16_should_be_palette_8 ... ok
test interlaced_rgb_8_should_be_palette_8 ... ok
test interlaced_rgb_16_should_be_grayscale_16 ... ok
test interlaced_grayscale_alpha_16_should_be_grayscale_alpha_16 ... ok
test interlaced_grayscale_alpha_16_should_be_grayscale_16 ... ok
test interlaced_rgba_8_should_be_palette_8 ... ok
test interlaced_rgb_16_should_be_rgb_8 ... ok
test interlaced_rgba_16_should_be_rgb_8 ... ok
test interlaced_rgb_8_should_be_rgb_8 ... ok
test interlaced_rgba_8_should_be_rgb_8 ... ok
test interlaced_rgba_16_should_be_rgba_8 ... ok
test interlaced_rgba_8_should_be_rgba_8 ... ok
test interlaced_rgba_16_should_be_rgb_16 ... ok
test interlaced_rgb_16_should_be_rgb_16 ... ok
test interlaced_rgba_16_should_be_rgba_16 ... ok
test interlaced_odd_width ... ok

test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.83s

     Running tests/interlacing.rs (target/debug/deps/interlacing-b5ce32726d1131e1)

running 12 tests
test deinterlace_palette_1 ... ok
test interlace_palette_1 ... ok
test deinterlace_palette_2 ... ok
test interlace_palette_2 ... ok
test deinterlace_palette_4 ... ok
test interlace_palette_4 ... ok
test deinterlace_palette_8 ... ok
test interlace_palette_8 ... ok
test deinterlace_rgb_8 ... ok
test deinterlace_rgb_16 ... ok
test interlace_rgb_8 ... ok
test interlace_rgb_16 ... ok

test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s

     Running tests/lib.rs (target/debug/deps/lib-23e580e85d3d1d37)

running 7 tests
test optimize_corrupted ... ok
test optimize_from_memory_corrupted ... ok
test optimize_from_memory ... ok
test optimize ... ok
test optimize_apng ... ok
test optimize_srgb_icc ... ok
test optimize_from_memory_apng ... ok

test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s

     Running tests/raw.rs (target/debug/deps/raw-9eddc717833b0b93)

running 4 tests
test invalid_depth ... ok
test incorrect_length ... ok
test custom_indexed ... ok
test from_file ... ok

test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s

     Running tests/reduction.rs (target/debug/deps/reduction-b3a6bed38e4f0f18)

running 81 tests
test palette_8_should_be_rgb ... ok
test palette_should_be_reduced_with_missing ... ok
test grayscale_alpha_8_reduce_alpha ... ok
test palette_8_should_be_palette_1 ... ok
test palette_4_should_be_palette_1 ... ok
test palette_1_should_be_palette_1 ... ok
test grayscale_alpha_16_reduce_alpha ... ok
test palette_8_should_be_rgba ... ok
test grayscale_8_should_be_palette_1 ... ok
test palette_2_should_be_palette_1 ... ok
test palette_4_should_be_palette_2 ... ok
test grayscale_alpha_8_should_be_grayscale_trns_1 ... ok
test grayscale_2_should_be_grayscale_1 ... ok
test grayscale_4_should_be_grayscale_1 ... ok
test palette_2_should_be_palette_2 ... ok
test palette_8_should_be_palette_2 ... ok
test grayscale_16_should_be_grayscale_1 ... ok
test grayscale_8_should_be_grayscale_1 ... ok
test rgb_8_should_be_palette_1 ... ok
test rgba_16_should_be_palette_1 ... ok
test rgba_16_reduce_alpha ... ok
test rgb_16_should_be_palette_1 ... ok
test small_files ... ok
test palette_8_should_be_palette_4 ... ok
test palette_4_should_be_palette_4 ... ok
test grayscale_8_should_be_palette_2 ... ok
test rgb_16_should_be_palette_2 ... ok
test grayscale_8_should_be_grayscale_4 ... ok
test rgba_8_should_be_palette_1 ... ok
test rgb_8_should_be_palette_2 ... ok
test rgba_16_should_be_palette_2 ... ok
test rgba_8_reduce_alpha ... ok
test grayscale_8_should_be_grayscale_2 ... ok
test grayscale_4_should_be_grayscale_2 ... ok
test rgba_16_should_be_palette_4 ... ok
test grayscale_8_should_be_palette_4 ... ok
test rgb_8_should_be_palette_4 ... ok
test rgb_16_should_be_palette_4 ... ok
test rgba_8_should_be_palette_2 ... ok
test palette_8_should_be_grayscale_8 ... ok
test grayscale_16_should_be_grayscale_16 ... ok
test rgba_16_should_be_grayscale_16 ... ok
test rgb_16_should_be_grayscale_8 ... ok
test rgba_16_should_be_grayscale_8 ... ok
test grayscale_16_should_be_grayscale_8 ... ok
test rgba_8_should_be_palette_4 ... ok
test grayscale_8_should_be_grayscale_8 ... ok
test rgb_8_should_be_grayscale_8 ... ok
test rgba_16_should_be_grayscale_alpha_8 ... ok
test grayscale_alpha_8_should_be_grayscale_8 ... ok
test grayscale_alpha_8_should_be_grayscale_alpha_8 ... ok
test grayscale_alpha_16_should_be_grayscale_alpha_8 ... ok
test grayscale_alpha_16_should_be_grayscale_8 ... ok
test rgba_16_should_be_grayscale_alpha_16 ... ok
test rgba_8_should_be_grayscale_alpha_8 ... ok
test grayscale_alpha_8_should_be_grayscale_trns_8 ... ok
test grayscale_8_should_be_palette_8 ... ok
test grayscale_alpha_16_should_be_grayscale_alpha_16 ... ok
test grayscale_alpha_16_should_be_grayscale_trns_16 ... ok
test palette_8_should_be_palette_8 ... ok
test rgba_8_should_be_grayscale_8 ... ok
test rgb_16_should_be_palette_8 ... ok
test palette_should_be_reduced_with_both ... ok
test palette_should_be_reduced_with_unused ... ok
test rgba_16_should_be_palette_8 ... ok
test palette_should_be_reduced_with_dupes ... ok
test rgb_16_should_be_grayscale_16 ... ok
test grayscale_alpha_16_should_be_grayscale_16 ... ok
test rgb_8_should_be_palette_8 ... ok
test rgba_8_should_be_palette_8 ... ok
test rgb_8_should_be_rgb_8 ... ok
test rgba_8_should_be_rgb_8 ... ok
test rgba_8_should_be_rgb_trns_8 ... ok
test rgb_16_should_be_rgb_8 ... ok
test rgba_16_should_be_rgba_8 ... ok
test rgba_16_should_be_rgb_8 ... ok
test rgb_16_should_be_rgb_16 ... ok
test rgba_16_should_be_rgb_trns_16 ... ok
test rgba_8_should_be_rgba_8 ... ok
test rgba_16_should_be_rgb_16 ... ok
test rgba_16_should_be_rgba_16 ... ok

test result: ok. 81 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s

     Running tests/regression.rs (target/debug/deps/regression-b5479f321ac8a967)

running 30 tests
test issue_42 ... ok
test issue_182 ... ok
test issue_175 ... ok
test issue_171 ... ok
test issue_89 ... ok
test issue_60 ... ok
test issue_52_04 ... ok
test issue_52_05 ... ok
test issue_52_06 ... ok
test issue_52_01 ... ok
test issue_140 ... ok
test issue_92_filter_0 ... ok
test issue_92_filter_5 ... ok
test issue_82 ... ok
test issue_80 ... ok
test issue_52_02 ... ok
test issue_52_03 ... ok
test issue_426_01 ... ok
test issue_426_02 ... ok
test issue_129 ... ok
test issue_113 ... ok
test issue_56 ... ok
test issue_58 ... ok
test issue_159 ... ok
test issue_59 ... ok
test issue_195 ... ok
test issue_29 ... ok
test issue_153 ... ok
test issue_141 ... ok
test issue_553 ... ok

test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.92s

     Running tests/strategies.rs (target/debug/deps/strategies-e4ac0c0354196d8b)

running 5 tests
test filter_bigent ... ok
test filter_brute ... ok
test filter_entropy ... ok
test filter_bigrams ... ok
test filter_minsum ... ok

test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s

   Doc-tests oxipng

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

>>> oxipng: Entering fakeroot...
>>> oxipng*: Running postcheck for oxipng
>>> oxipng*: Preparing package oxipng...
>>> oxipng*: Stripping binaries
>>> oxipng*: Scanning shared objects
>>> oxipng*: Tracing dependencies...
	so:libc.musl-ppc64le.so.1
	so:libgcc_s.so.1
>>> oxipng*: Package size: 1.1 MB
>>> oxipng*: Compressing data...
>>> oxipng*: Create checksum...
>>> oxipng*: Create oxipng-9.1.1-r0.apk
>>> oxipng: Build complete at Thu, 02 May 2024 12:14:17 +0000 elapsed time 0h 1m 36s
>>> oxipng: Cleaning up srcdir
>>> oxipng: Cleaning up pkgdir
>>> oxipng: Uninstalling dependencies...
(1/9) Purging .makedepends-oxipng (20240502.121243)
(2/9) Purging cargo-auditable (0.6.2-r0)
(3/9) Purging cargo (1.77.0-r1)
(4/9) Purging rust (1.77.0-r1)
(5/9) Purging llvm17-libs (17.0.6-r1)
(6/9) Purging scudo-malloc (17.0.6-r0)
(7/9) Purging libffi (3.4.6-r0)
(8/9) Purging libxml2 (2.12.6-r2)
(9/9) Purging xz-libs (5.6.1-r3)
Executing busybox-1.36.1-r26.trigger
OK: 415 MiB in 103 packages
>>> oxipng: Updating the community/ppc64le repository index...
>>> oxipng: Signing the index...