[INFO] crate image2 0.10.0 is already in cache
[INFO] extracting crate image2 0.10.0 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/image2/0.10.0
[INFO] extracting crate image2 0.10.0 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/image2/0.10.0
[INFO] validating manifest of image2-0.10.0 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of image2-0.10.0 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing image2-0.10.0
[INFO] finished frobbing image2-0.10.0
[INFO] frobbed toml for image2-0.10.0 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/image2/0.10.0/Cargo.toml
[INFO] started frobbing image2-0.10.0
[INFO] finished frobbing image2-0.10.0
[INFO] frobbed toml for image2-0.10.0 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/image2/0.10.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking image2-0.10.0 against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-3/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/image2/0.10.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e3f6a782591f33d3b2e383bfeb40751605ce38a04faa9bf1dbd706b5bead3b55
[INFO] running `"docker" "start" "-a" "e3f6a782591f33d3b2e383bfeb40751605ce38a04faa9bf1dbd706b5bead3b55"`
[INFO] [stderr]    Compiling image2 v0.10.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:134:1
[INFO] [stderr]     |
[INFO] [stderr] 134 |   /// Invert subtracts the current component value from the maxiumum
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 135 | / filter!(.Invert, input, |_, x, y, c| T::max_f()
[INFO] [stderr] 136 | |     - input[0].get_f(x, y, c));
[INFO] [stderr]     | |_______________________________- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 |   /// Blend takes the average of two images
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 139 | / filter!(.Blend, input, |_, x, y, c| (input[0].get_f(x, y, c)
[INFO] [stderr] 140 | |     + input[1].get_f(x, y, c))
[INFO] [stderr] 141 | |     / 2.0);
[INFO] [stderr]     | |___________- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 |   /// ToGrayscale converts an Rgb or Rgba image to Gray
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 144 | / filter!(.ToGrayscale, input, |_, x, y, _c| {
[INFO] [stderr] 145 | |     let a: &I = input[0];
[INFO] [stderr] 146 | |     let v = a.get_f(x, y, 0) * 0.21 + a.get_f(x, y, 1) * 0.72 + a.get_f(x, y, 2) * 0.07;
[INFO] [stderr] 147 | |     if C::has_alpha() {
[INFO] [stderr] ...   |
[INFO] [stderr] 150 | |     v
[INFO] [stderr] 151 | | });
[INFO] [stderr]     | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:153:1
[INFO] [stderr]     |
[INFO] [stderr] 153 |   /// ToColor converts a Gray image to Rgb or Rgba
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 154 | / filter!(.ToColor, input, |_, x, y, c| {
[INFO] [stderr] 155 | |     if c == 4 {
[INFO] [stderr] 156 | |         return T::max_f();
[INFO] [stderr] 157 | |     }
[INFO] [stderr] 158 | |
[INFO] [stderr] 159 | |     input[0].get_f(x, y, c % C::channels())
[INFO] [stderr] 160 | | });
[INFO] [stderr]     | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:162:1
[INFO] [stderr]     |
[INFO] [stderr] 162 |   /// Returns a new pixel with premultiplied alpha values
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 163 | / filter!(.AlphaBlend, input, |_, x, y, c| {
[INFO] [stderr] 164 | |     let a = input[0];
[INFO] [stderr] 165 | |
[INFO] [stderr] 166 | |     if c == a.channels() - 1 {
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     a.get_f(x, y, c) * a.get_f(x, y, a.channels() - 1)
[INFO] [stderr] 171 | | });
[INFO] [stderr]     | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:174:1
[INFO] [stderr]     |
[INFO] [stderr] 174 |   /// Swaps a value from one channel to another
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 175 | / filter!(
[INFO] [stderr] 176 | |     SwapChannel,
[INFO] [stderr] 177 | |     input,
[INFO] [stderr] 178 | |     |this: &SwapChannel, x, y, c| if c == this.0 {
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |     }
[INFO] [stderr] 185 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | /// Grayscale (1 channel, no alpha)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 37 | make_color!(Gray, "gray", 1, false);
[INFO] [stderr]    | ------------------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | /// RGB (3 channels, no alpha)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 40 | make_color!(Rgb, "rgb", 3, false);
[INFO] [stderr]    | ---------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | /// BGR (3 channels, no alpha)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 43 | make_color!(Bgr, "bgr", 3, false);
[INFO] [stderr]    | ---------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | /// RGB (packed, 1 channel, no alpha)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 46 | make_color!(RgbPacked, "rgb_packed", 1, false);
[INFO] [stderr]    | ----------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | /// RGBA (4 channels)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 49 | make_color!(Rgba, "rgba", 4, true);
[INFO] [stderr]    | ----------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | /// BGRA (4 channels)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 52 | make_color!(Bgra, "bgra", 4, true);
[INFO] [stderr]    | ----------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | /// RGBA (packed, 1 channel, no alpha)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 55 | make_color!(RgbaPacked, "rgba_packed", 1, false);
[INFO] [stderr]    | ------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | /// CMYK (4 channels)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 58 | make_color!(Cmyk, "cmyk", 4, false);
[INFO] [stderr]    | ------------------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | /// YUV (3 channels)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 61 | make_color!(Yuv, "yuv", 3, false);
[INFO] [stderr]    | ---------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:134:1
[INFO] [stderr]     |
[INFO] [stderr] 134 |   /// Invert subtracts the current component value from the maxiumum
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 135 | / filter!(.Invert, input, |_, x, y, c| T::max_f()
[INFO] [stderr] 136 | |     - input[0].get_f(x, y, c));
[INFO] [stderr]     | |_______________________________- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 |   /// Blend takes the average of two images
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 139 | / filter!(.Blend, input, |_, x, y, c| (input[0].get_f(x, y, c)
[INFO] [stderr] 140 | |     + input[1].get_f(x, y, c))
[INFO] [stderr] 141 | |     / 2.0);
[INFO] [stderr]     | |___________- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:143:1
[INFO] [stderr]     |
[INFO] [stderr] 143 |   /// ToGrayscale converts an Rgb or Rgba image to Gray
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 144 | / filter!(.ToGrayscale, input, |_, x, y, _c| {
[INFO] [stderr] 145 | |     let a: &I = input[0];
[INFO] [stderr] 146 | |     let v = a.get_f(x, y, 0) * 0.21 + a.get_f(x, y, 1) * 0.72 + a.get_f(x, y, 2) * 0.07;
[INFO] [stderr] 147 | |     if C::has_alpha() {
[INFO] [stderr] ...   |
[INFO] [stderr] 150 | |     v
[INFO] [stderr] 151 | | });
[INFO] [stderr]     | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:153:1
[INFO] [stderr]     |
[INFO] [stderr] 153 |   /// ToColor converts a Gray image to Rgb or Rgba
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 154 | / filter!(.ToColor, input, |_, x, y, c| {
[INFO] [stderr] 155 | |     if c == 4 {
[INFO] [stderr] 156 | |         return T::max_f();
[INFO] [stderr] 157 | |     }
[INFO] [stderr] 158 | |
[INFO] [stderr] 159 | |     input[0].get_f(x, y, c % C::channels())
[INFO] [stderr] 160 | | });
[INFO] [stderr]     | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:162:1
[INFO] [stderr]     |
[INFO] [stderr] 162 |   /// Returns a new pixel with premultiplied alpha values
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 163 | / filter!(.AlphaBlend, input, |_, x, y, c| {
[INFO] [stderr] 164 | |     let a = input[0];
[INFO] [stderr] 165 | |
[INFO] [stderr] 166 | |     if c == a.channels() - 1 {
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     a.get_f(x, y, c) * a.get_f(x, y, a.channels() - 1)
[INFO] [stderr] 171 | | });
[INFO] [stderr]     | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/filter.rs:174:1
[INFO] [stderr]     |
[INFO] [stderr] 174 |   /// Swaps a value from one channel to another
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 175 | / filter!(
[INFO] [stderr] 176 | |     SwapChannel,
[INFO] [stderr] 177 | |     input,
[INFO] [stderr] 178 | |     |this: &SwapChannel, x, y, c| if c == this.0 {
[INFO] [stderr] ...   |
[INFO] [stderr] 184 | |     }
[INFO] [stderr] 185 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | /// Grayscale (1 channel, no alpha)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 37 | make_color!(Gray, "gray", 1, false);
[INFO] [stderr]    | ------------------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | /// RGB (3 channels, no alpha)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 40 | make_color!(Rgb, "rgb", 3, false);
[INFO] [stderr]    | ---------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | /// BGR (3 channels, no alpha)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 43 | make_color!(Bgr, "bgr", 3, false);
[INFO] [stderr]    | ---------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | /// RGB (packed, 1 channel, no alpha)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 46 | make_color!(RgbPacked, "rgb_packed", 1, false);
[INFO] [stderr]    | ----------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | /// RGBA (4 channels)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 49 | make_color!(Rgba, "rgba", 4, true);
[INFO] [stderr]    | ----------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | /// BGRA (4 channels)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 52 | make_color!(Bgra, "bgra", 4, true);
[INFO] [stderr]    | ----------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | /// RGBA (packed, 1 channel, no alpha)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 55 | make_color!(RgbaPacked, "rgba_packed", 1, false);
[INFO] [stderr]    | ------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | /// CMYK (4 channels)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 58 | make_color!(Cmyk, "cmyk", 4, false);
[INFO] [stderr]    | ------------------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/color.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | /// YUV (3 channels)
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 61 | make_color!(Yuv, "yuv", 3, false);
[INFO] [stderr]    | ---------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `"docker" "inspect" "e3f6a782591f33d3b2e383bfeb40751605ce38a04faa9bf1dbd706b5bead3b55"`
[INFO] running `"docker" "rm" "-f" "e3f6a782591f33d3b2e383bfeb40751605ce38a04faa9bf1dbd706b5bead3b55"`
[INFO] [stdout] e3f6a782591f33d3b2e383bfeb40751605ce38a04faa9bf1dbd706b5bead3b55