[INFO] crate dssim 2.9.9 is already in cache
[INFO] testing dssim-2.9.9 against 1.44.0 for beta-1.45-1
[INFO] extracting crate dssim 2.9.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dssim 2.9.9 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dssim 2.9.9
[INFO] finished tweaking crates.io crate dssim 2.9.9
[INFO] tweaked toml for crates.io crate dssim 2.9.9 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] ef3bfb3ad01d676788b5c7411bb84bc36e2f5d9349f8e383fea3294f95cd1ec1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ef3bfb3ad01d676788b5c7411bb84bc36e2f5d9349f8e383fea3294f95cd1ec1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rgb v0.8.18
[INFO] [stderr]    Compiling imgref v1.6.1
[INFO] [stderr]    Compiling lodepng v2.6.0
[INFO] [stderr]    Compiling dssim v2.9.9 (/opt/rustwide/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] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `"docker" "inspect" "ef3bfb3ad01d676788b5c7411bb84bc36e2f5d9349f8e383fea3294f95cd1ec1"`
[INFO] running `"docker" "rm" "-f" "ef3bfb3ad01d676788b5c7411bb84bc36e2f5d9349f8e383fea3294f95cd1ec1"`
[INFO] [stdout] ef3bfb3ad01d676788b5c7411bb84bc36e2f5d9349f8e383fea3294f95cd1ec1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a92e3ba3f5839c3f9e89300d5be95c337efa839dac877a00d859d774a141cac1
[INFO] running `"docker" "start" "-a" "a92e3ba3f5839c3f9e89300d5be95c337efa839dac877a00d859d774a141cac1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling dssim v2.9.9 (/opt/rustwide/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] warning: 15 warnings emitted
[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: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] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.12s
[INFO] running `"docker" "inspect" "a92e3ba3f5839c3f9e89300d5be95c337efa839dac877a00d859d774a141cac1"`
[INFO] running `"docker" "rm" "-f" "a92e3ba3f5839c3f9e89300d5be95c337efa839dac877a00d859d774a141cac1"`
[INFO] [stdout] a92e3ba3f5839c3f9e89300d5be95c337efa839dac877a00d859d774a141cac1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08d91005ef06f29912dc464c6db93ee9bfe80212e08bc198d89628826a95faf3
[INFO] running `"docker" "start" "-a" "08d91005ef06f29912dc464c6db93ee9bfe80212e08bc198d89628826a95faf3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] warning: 15 warnings emitted
[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: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] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dssim-09f7dd0df767e944
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test blur::blur_one_stride ... ok
[INFO] [stdout] test blur::blur_two ... ok
[INFO] [stdout] test blur::blur_one ... 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] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dssim-45dd7f639e320e2b
[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" "08d91005ef06f29912dc464c6db93ee9bfe80212e08bc198d89628826a95faf3"`
[INFO] running `"docker" "rm" "-f" "08d91005ef06f29912dc464c6db93ee9bfe80212e08bc198d89628826a95faf3"`
[INFO] [stdout] 08d91005ef06f29912dc464c6db93ee9bfe80212e08bc198d89628826a95faf3