[INFO] crate dssim 2.9.9 is already in cache
[INFO] extracting crate dssim 2.9.9 into work/ex/beta-1.38-1/sources/1.37.0/reg/dssim/2.9.9
[INFO] extracting crate dssim 2.9.9 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dssim/2.9.9
[INFO] validating manifest of dssim-2.9.9 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dssim-2.9.9 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dssim-2.9.9
[INFO] finished frobbing dssim-2.9.9
[INFO] frobbed toml for dssim-2.9.9 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dssim/2.9.9/Cargo.toml
[INFO] started frobbing dssim-2.9.9
[INFO] finished frobbing dssim-2.9.9
[INFO] frobbed toml for dssim-2.9.9 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dssim/2.9.9/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dssim-2.9.9 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dssim/2.9.9:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 605205a6a2296591e9145fc09f8923c182f7f5128767af5ca314a6bca2f994a0
[INFO] running `"docker" "start" "-a" "605205a6a2296591e9145fc09f8923c182f7f5128767af5ca314a6bca2f994a0"`
[INFO] [stderr]    Compiling imgref v1.4.0
[INFO] [stderr]    Compiling lodepng v2.4.2
[INFO] [stderr]    Compiling dssim v2.9.9 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/dssim.rs:285:23
[INFO] [stderr]     |
[INFO] [stderr] 285 |             let sum = half.buf.iter().fold(0., |sum, i| sum + *i as f64);
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/dssim.rs:286:32
[INFO] [stderr]     |
[INFO] [stderr] 286 |             let score = sum / (half.buf.len() as f64);
[INFO] [stderr]     |                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:211:23
[INFO] [stderr]     |
[INFO] [stderr] 211 |         scaled.extend(self.buf.chunks(stride * 2).take(half_height).flat_map(|pair|{
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:231:30
[INFO] [stderr]     |
[INFO] [stderr] 231 |         return input.new_buf(input.buf.to_owned());
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:235:19
[INFO] [stderr]     |
[INFO] [stderr] 235 |     scaled.extend(input.buf.chunks(stride * 2).take(half_height).flat_map(|pair|{
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:256:30
[INFO] [stderr]     |
[INFO] [stderr] 256 |         return input.new_buf(input.buf.to_owned());
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:260:19
[INFO] [stderr]     |
[INFO] [stderr] 260 |     scaled.extend(input.buf.chunks(stride * 2).take(half_height).flat_map(|pair|{
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:281:30
[INFO] [stderr]     |
[INFO] [stderr] 281 |         return input.new_buf(input.buf.to_owned());
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:285:19
[INFO] [stderr]     |
[INFO] [stderr] 285 |     scaled.extend(input.buf.chunks(stride * 2).take(half_height).flat_map(|pair|{
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/blur.rs:131:20
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let src = &src.buf[..];
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/blur.rs:132:24
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let dst = &mut dst.buf[..];
[INFO] [stderr]     |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/blur.rs:158:37
[INFO] [stderr]     |
[INFO] [stderr] 158 |             do_blur(srcdst.new_buf(&srcdst.buf[..]), tmp_dst);
[INFO] [stderr]     |                                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]   --> src/tolab.rs:72:27
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let in_row = &self.buf[start..start + width];
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/tolab.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let in_row = &img.buf[start .. start + width];
[INFO] [stderr]     |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/blur.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let mut dstrow = &mut dst[y*dst_stride..y*dst_stride+width];
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.55s
[INFO] running `"docker" "inspect" "605205a6a2296591e9145fc09f8923c182f7f5128767af5ca314a6bca2f994a0"`
[INFO] running `"docker" "rm" "-f" "605205a6a2296591e9145fc09f8923c182f7f5128767af5ca314a6bca2f994a0"`
[INFO] [stdout] 605205a6a2296591e9145fc09f8923c182f7f5128767af5ca314a6bca2f994a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dssim/2.9.9:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c4bd827e029dcbd4ff4411b3d328dae05c4e0ecdb8c1a426aa1dd735ea2e031e
[INFO] running `"docker" "start" "-a" "c4bd827e029dcbd4ff4411b3d328dae05c4e0ecdb8c1a426aa1dd735ea2e031e"`
[INFO] [stderr]    Compiling dssim v2.9.9 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/dssim.rs:285:23
[INFO] [stderr]     |
[INFO] [stderr] 285 |             let sum = half.buf.iter().fold(0., |sum, i| sum + *i as f64);
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/dssim.rs:286:32
[INFO] [stderr]     |
[INFO] [stderr] 286 |             let score = sum / (half.buf.len() as f64);
[INFO] [stderr]     |                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:211:23
[INFO] [stderr]     |
[INFO] [stderr] 211 |         scaled.extend(self.buf.chunks(stride * 2).take(half_height).flat_map(|pair|{
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:231:30
[INFO] [stderr]     |
[INFO] [stderr] 231 |         return input.new_buf(input.buf.to_owned());
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:235:19
[INFO] [stderr]     |
[INFO] [stderr] 235 |     scaled.extend(input.buf.chunks(stride * 2).take(half_height).flat_map(|pair|{
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:256:30
[INFO] [stderr]     |
[INFO] [stderr] 256 |         return input.new_buf(input.buf.to_owned());
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:260:19
[INFO] [stderr]     |
[INFO] [stderr] 260 |     scaled.extend(input.buf.chunks(stride * 2).take(half_height).flat_map(|pair|{
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:281:30
[INFO] [stderr]     |
[INFO] [stderr] 281 |         return input.new_buf(input.buf.to_owned());
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/image.rs:285:19
[INFO] [stderr]     |
[INFO] [stderr] 285 |     scaled.extend(input.buf.chunks(stride * 2).take(half_height).flat_map(|pair|{
[INFO] [stderr]     |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/blur.rs:131:20
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let src = &src.buf[..];
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/blur.rs:132:24
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let dst = &mut dst.buf[..];
[INFO] [stderr]     |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/blur.rs:158:37
[INFO] [stderr]     |
[INFO] [stderr] 158 |             do_blur(srcdst.new_buf(&srcdst.buf[..]), tmp_dst);
[INFO] [stderr]     |                                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]   --> src/tolab.rs:72:27
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let in_row = &self.buf[start..start + width];
[INFO] [stderr]    |                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]    --> src/tolab.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let in_row = &img.buf[start .. start + width];
[INFO] [stderr]     |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/blur.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let mut dstrow = &mut dst[y*dst_stride..y*dst_stride+width];
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `"docker" "inspect" "c4bd827e029dcbd4ff4411b3d328dae05c4e0ecdb8c1a426aa1dd735ea2e031e"`
[INFO] running `"docker" "rm" "-f" "c4bd827e029dcbd4ff4411b3d328dae05c4e0ecdb8c1a426aa1dd735ea2e031e"`
[INFO] [stdout] c4bd827e029dcbd4ff4411b3d328dae05c4e0ecdb8c1a426aa1dd735ea2e031e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dssim/2.9.9:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2bd1ded450f25c02c744579e68b29856fa886d8f2236f28d9095218ce4d50299
[INFO] running `"docker" "start" "-a" "2bd1ded450f25c02c744579e68b29856fa886d8f2236f28d9095218ce4d50299"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dssim-35c49e089da2b2f5
[INFO] [stdout] running 6 tests
[INFO] [stdout] test blur::blur_two ... ok
[INFO] [stdout] test blur::blur_one ... ok
[INFO] [stdout] test blur::blur_one_stride ... ok
[INFO] [stdout] test blur::blur_zero ... ok
[INFO] [stdout] test dssim::poison ... ok
[INFO] [stdout] test dssim::png_compare ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dssim-b2c677469133568f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test rgblu_input ... ok
[INFO] [stdout] test image_gray ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2bd1ded450f25c02c744579e68b29856fa886d8f2236f28d9095218ce4d50299"`
[INFO] running `"docker" "rm" "-f" "2bd1ded450f25c02c744579e68b29856fa886d8f2236f28d9095218ce4d50299"`
[INFO] [stdout] 2bd1ded450f25c02c744579e68b29856fa886d8f2236f28d9095218ce4d50299