[INFO] crate raster 0.2.0 is already in cache
[INFO] testing raster-0.2.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate raster 0.2.0 into work/builds/worker-8/source
[INFO] validating manifest of crates.io crate raster 0.2.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate raster 0.2.0
[INFO] finished tweaking crates.io crate raster 0.2.0
[INFO] tweaked toml for crates.io crate raster 0.2.0 written to work/builds/worker-8/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 25d5f79acd513fb9451fc0f924b61b0851382be0405c9298cc8abd6b9889289c
[INFO] running `"docker" "start" "-a" "25d5f79acd513fb9451fc0f924b61b0851382be0405c9298cc8abd6b9889289c"`
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling raster v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compare.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let bin1 = try!(diff_hash(image1));
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compare.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let bin2 = try!(diff_hash(image2));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compare.rs:66:30
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let pixel1 = try!(image1.get_pixel(x, y));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compare.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 let pixel2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compare.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     try!(editor::resize(&mut image, width, height, ResizeMode::Exact)); // Resize to exactly 9x8
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compare.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let pixel = try!(image.get_pixel(0, y));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compare.rs:118:25
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let pixel = try!(image.get_pixel(x, y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/editor.rs:100:32
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let (offset_x, offset_y) = try!(positioner.get_x_y( image1.width, image1.height, image2.width, image2.height));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/editor.rs:228:32
[INFO] [stderr]     |
[INFO] [stderr] 228 |     let (offset_x, offset_y) = try!(positioner.get_x_y( src.width, src.height, crop_width, crop_height));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/editor.rs:246:25
[INFO] [stderr]     |
[INFO] [stderr] 246 |             let pixel = try!(src.get_pixel(offset_x + x, offset_y + y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/editor.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |             try!(dest.set_pixel(x, y, Color::rgba(pixel.r, pixel.g, pixel.b, pixel.a)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/editor.rs:280:13
[INFO] [stderr]     |
[INFO] [stderr] 280 |             try!(src.set_pixel(x, y, color.clone()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filter.rs:95:21
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let p = try!(src.get_pixel(x, y));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             try!(src.set_pixel(x, y, Color::rgba(r as u8, g as u8, b as u8, a as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:160:33
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let pixel = try!(copy.get_pixel(src_x, src_y));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 |             try!(src.set_pixel(x, y, Color::rgba(accum_red as u8, accum_green as u8, accum_blue as u8, accum_alpha as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:270:21
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let p = try!(src.get_pixel(x, y));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |             try!(src.set_pixel(x, y, Color::rgba(r as u8, g as u8, b as u8, a as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:308:21
[INFO] [stderr]     |
[INFO] [stderr] 308 |             let p = try!(src.get_pixel(x, y));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:311:13
[INFO] [stderr]     |
[INFO] [stderr] 311 |             try!(src.set_pixel(x, y, Color::rgba(gray as u8, gray as u8, gray as u8, gray as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:348:21
[INFO] [stderr]     |
[INFO] [stderr] 348 |             let p = try!(src.get_pixel(x, y));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |             try!(src.set_pixel(x, y, Color::rgb(rgb.0, rgb.1, rgb.2)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/interpolate.rs:43:25
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let pixel = try!(src.get_pixel(px, py));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/interpolate.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             try!(dest.set_pixel(x, y, pixel));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/interpolate.rs:97:30
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let src_color1 = try!(src.get_pixel(src_x_int, y));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/interpolate.rs:98:30
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let src_color2 = try!(src.get_pixel(src_x_int2, y));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/interpolate.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             try!(dest.set_pixel(x+offset_x, y, Color::rgba(red, green, blue, alpha)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/interpolate.rs:157:30
[INFO] [stderr]     |
[INFO] [stderr] 157 |             let src_color1 = try!(src.get_pixel(x, src_y_int));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/interpolate.rs:158:30
[INFO] [stderr]     |
[INFO] [stderr] 158 |             let src_color2 = try!(src.get_pixel(x, src_y_int2));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/interpolate.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             try!(dest.set_pixel(x, y+offset_y, Color::rgba(red, green, blue, alpha)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:74:38
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     let pixel_left = try!(src.get_pixel(src_x, y));
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:75:39
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     let pixel_right = try!(src.get_pixel(dest_x, y));
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     try!(src.set_pixel(dest_x, y, pixel_left));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                     try!(src.set_pixel(src_x, y, pixel_right));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:94:37
[INFO] [stderr]    |
[INFO] [stderr] 94 |                     let pixel_top = try!(src.get_pixel(x, src_y));
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:95:40
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     let pixel_bottom = try!(src.get_pixel(x, dest_y));
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |                     try!(src.set_pixel(x, dest_y, pixel_top));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                     try!(src.set_pixel(x, src_y, pixel_bottom));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/transform.rs:187:29
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 let pixel = try!(src.get_pixel(point.0, point.1));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/transform.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 try!(dest.set_pixel(dest_x, dest_y, pixel));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/transform.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(dest.set_pixel(dest_x, dest_y, Color::rgba(bg.r, bg.g, bg.b, bg.a)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:34:25
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let rgba1 = try!(image1.get_pixel(canvas_x, canvas_y));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |             let rgba2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(canvas.set_pixel(canvas_x, canvas_y, Color::rgba(r3 as u8, g3 as u8, b3 as u8, a3 as u8)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:66:25
[INFO] [stderr]    |
[INFO] [stderr] 66 |             let rgba1 = try!(image1.get_pixel(canvas_x, canvas_y));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:72:25
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let rgba2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             try!(canvas.set_pixel(canvas_x, canvas_y, Color::rgba(r3 as u8, g3 as u8, b3 as u8, a3 as u8)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:98:26
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let color1 = try!(image1.get_pixel(canvas_x, canvas_y));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:104:26
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let color2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |             try!(canvas.set_pixel(canvas_x, canvas_y, Color::rgba(r3 as u8, g3 as u8, b3 as u8, a3 as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:130:25
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let rgba1 = try!(image1.get_pixel(canvas_x, canvas_y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:136:25
[INFO] [stderr]     |
[INFO] [stderr] 136 |             let rgba2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             try!(canvas.set_pixel(canvas_x, canvas_y, Color::rgba(r3 as u8, g3 as u8, b3 as u8, a3 as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:162:25
[INFO] [stderr]     |
[INFO] [stderr] 162 |             let rgba1 = try!(image1.get_pixel(canvas_x, canvas_y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:168:25
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let rgba2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             try!(canvas.set_pixel(canvas_x, canvas_y, Color::rgba(r3 as u8, g3 as u8, b3 as u8, a3 as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:105:20
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 r: try!(_hex_dec(&hex[1..3])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:106:20
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 g: try!(_hex_dec(&hex[3..5])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:107:20
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 b: try!(_hex_dec(&hex[5..7])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:108:20
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 a: try!(_hex_dec(&hex[7..9])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:112:20
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 r: try!(_hex_dec(&hex[1..3])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:113:20
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 g: try!(_hex_dec(&hex[3..5])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:114:20
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 b: try!(_hex_dec(&hex[5..7])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:26:22
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut reader = try!(decoder.read_info());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     if let Some(_) = try!(reader.next_frame_info()) {
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(reader.read_into_buffer(&mut bytes));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:49:16
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let file = try!(File::create(path));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut encoder = try!(
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(encoder.write_frame(&frame).map_err(RasterError::Io));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:62:30
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let (info, mut reader) = try!(decoder.read_info());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     try!(reader.next_frame(&mut bytes));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:90:16
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let file = try!(File::create(path));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut writer = try!(encoder.write_header());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Ok(try!(writer.write_image_data(&image.bytes)))
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/image.rs:148:29
[INFO] [stderr]     |
[INFO] [stderr] 148 |                 let pixel = try!(self.get_pixel(x, y));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:148:16
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let file = try!(File::open(image_file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:152:16
[INFO] [stderr]     |
[INFO] [stderr] 152 |             Ok(try!(endec::decode_gif(&file)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:155:23
[INFO] [stderr]     |
[INFO] [stderr] 155 |             let src = try!(piston_image::open(image_file));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:171:16
[INFO] [stderr]     |
[INFO] [stderr] 171 |             Ok(try!(endec::decode_png(&file)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:201:16
[INFO] [stderr]     |
[INFO] [stderr] 201 |             Ok(try!(endec::encode_gif(&image, &path)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:213:16
[INFO] [stderr]     |
[INFO] [stderr] 213 |             Ok(try!(endec::encode_png(&image, &path)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]    --> src/lib.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 | use std::ascii::AsciiExt;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]    --> src/lib.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 | use std::ascii::AsciiExt;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/editor.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 | pub fn fill(mut src: &mut Image, color: Color) -> RasterResult<()> {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/editor.rs:414:15
[INFO] [stderr]     |
[INFO] [stderr] 414 | pub fn resize(mut src: &mut Image, w: i32, h: i32, mode: ResizeMode) -> RasterResult<()> {
[INFO] [stderr]     |               ----^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/filter.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn blur(mut src: &mut Image, mode: BlurMode) -> RasterResult<()>{
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/filter.rs:83:19
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub fn brightness(mut src: &mut Image, factor: f32) -> RasterResult<()>{
[INFO] [stderr]    |                   ----^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:227:15
[INFO] [stderr]     |
[INFO] [stderr] 227 | pub fn emboss(mut src: &mut Image) -> RasterResult<()>{
[INFO] [stderr]     |               ----^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:258:14
[INFO] [stderr]     |
[INFO] [stderr] 258 | pub fn gamma(mut src: &mut Image, gamma: f32) -> RasterResult<()>{
[INFO] [stderr]     |              ----^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:301:18
[INFO] [stderr]     |
[INFO] [stderr] 301 | pub fn grayscale(mut src: &mut Image) -> RasterResult<()>{
[INFO] [stderr]     |                  ----^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:341:19
[INFO] [stderr]     |
[INFO] [stderr] 341 | pub fn saturation(mut src: &mut Image, sat: f32) -> RasterResult<()>{
[INFO] [stderr]     |                   ----^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:385:16
[INFO] [stderr]     |
[INFO] [stderr] 385 | pub fn sharpen(mut src: &mut Image) -> RasterResult<()>{
[INFO] [stderr]     |                ----^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:399:13
[INFO] [stderr]     |
[INFO] [stderr] 399 | fn blur_box(mut src: &mut Image) -> RasterResult<()>{
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:410:18
[INFO] [stderr]     |
[INFO] [stderr] 410 | fn blur_gaussian(mut src: &mut Image) -> RasterResult<()>{
[INFO] [stderr]     |                  ----^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpolate.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn resample(mut src: &mut Image, w: i32, h: i32, interpolation: InterpolationMode) -> RasterResult<()> {
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpolate.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub fn bilinear(mut src: &mut Image, w2: i32, h2: i32) -> RasterResult<()> {
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/transform.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn flip(mut src: &mut Image, mode: TransformMode ) -> RasterResult<()> {
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transform.rs:204:21
[INFO] [stderr]     |
[INFO] [stderr] 204 | pub fn resize_exact(mut src: &mut Image, w: i32, h: i32) -> RasterResult<()> {
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transform.rs:210:28
[INFO] [stderr]     |
[INFO] [stderr] 210 | pub fn resize_exact_height(mut src: &mut Image, h: i32) -> RasterResult<()> {
[INFO] [stderr]     |                            ----^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transform.rs:224:27
[INFO] [stderr]     |
[INFO] [stderr] 224 | pub fn resize_exact_width(mut src: &mut Image, w: i32) -> RasterResult<()> {
[INFO] [stderr]     |                           ----^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transform.rs:236:20
[INFO] [stderr]     |
[INFO] [stderr] 236 | pub fn resize_fill(mut src: &mut Image, w: i32, h: i32) -> RasterResult<()> {
[INFO] [stderr]     |                    ----^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transform.rs:258:19
[INFO] [stderr]     |
[INFO] [stderr] 258 | pub fn resize_fit(mut src: &mut Image, w: i32, h: i32) -> RasterResult<()> {
[INFO] [stderr]     |                   ----^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.76s
[INFO] running `"docker" "inspect" "25d5f79acd513fb9451fc0f924b61b0851382be0405c9298cc8abd6b9889289c"`
[INFO] running `"docker" "rm" "-f" "25d5f79acd513fb9451fc0f924b61b0851382be0405c9298cc8abd6b9889289c"`
[INFO] [stdout] 25d5f79acd513fb9451fc0f924b61b0851382be0405c9298cc8abd6b9889289c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2713bb531f45cacdc7f16ac06c1b6508faa3a49bb4e2d87791ebbdf75a10bb08
[INFO] running `"docker" "start" "-a" "2713bb531f45cacdc7f16ac06c1b6508faa3a49bb4e2d87791ebbdf75a10bb08"`
[INFO] [stderr]    Compiling raster v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compare.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let bin1 = try!(diff_hash(image1));
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compare.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let bin2 = try!(diff_hash(image2));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compare.rs:66:30
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 let pixel1 = try!(image1.get_pixel(x, y));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/compare.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 let pixel2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compare.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     try!(editor::resize(&mut image, width, height, ResizeMode::Exact)); // Resize to exactly 9x8
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compare.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let pixel = try!(image.get_pixel(0, y));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/compare.rs:118:25
[INFO] [stderr]     |
[INFO] [stderr] 118 |             let pixel = try!(image.get_pixel(x, y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/editor.rs:100:32
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let (offset_x, offset_y) = try!(positioner.get_x_y( image1.width, image1.height, image2.width, image2.height));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/editor.rs:228:32
[INFO] [stderr]     |
[INFO] [stderr] 228 |     let (offset_x, offset_y) = try!(positioner.get_x_y( src.width, src.height, crop_width, crop_height));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/editor.rs:246:25
[INFO] [stderr]     |
[INFO] [stderr] 246 |             let pixel = try!(src.get_pixel(offset_x + x, offset_y + y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/editor.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |             try!(dest.set_pixel(x, y, Color::rgba(pixel.r, pixel.g, pixel.b, pixel.a)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/editor.rs:280:13
[INFO] [stderr]     |
[INFO] [stderr] 280 |             try!(src.set_pixel(x, y, color.clone()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filter.rs:95:21
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let p = try!(src.get_pixel(x, y));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             try!(src.set_pixel(x, y, Color::rgba(r as u8, g as u8, b as u8, a as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:160:33
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let pixel = try!(copy.get_pixel(src_x, src_y));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 |             try!(src.set_pixel(x, y, Color::rgba(accum_red as u8, accum_green as u8, accum_blue as u8, accum_alpha as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:270:21
[INFO] [stderr]     |
[INFO] [stderr] 270 |             let p = try!(src.get_pixel(x, y));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 |             try!(src.set_pixel(x, y, Color::rgba(r as u8, g as u8, b as u8, a as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:308:21
[INFO] [stderr]     |
[INFO] [stderr] 308 |             let p = try!(src.get_pixel(x, y));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:311:13
[INFO] [stderr]     |
[INFO] [stderr] 311 |             try!(src.set_pixel(x, y, Color::rgba(gray as u8, gray as u8, gray as u8, gray as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:348:21
[INFO] [stderr]     |
[INFO] [stderr] 348 |             let p = try!(src.get_pixel(x, y));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/filter.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |             try!(src.set_pixel(x, y, Color::rgb(rgb.0, rgb.1, rgb.2)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/interpolate.rs:43:25
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let pixel = try!(src.get_pixel(px, py));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/interpolate.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             try!(dest.set_pixel(x, y, pixel));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/interpolate.rs:97:30
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let src_color1 = try!(src.get_pixel(src_x_int, y));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/interpolate.rs:98:30
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let src_color2 = try!(src.get_pixel(src_x_int2, y));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/interpolate.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             try!(dest.set_pixel(x+offset_x, y, Color::rgba(red, green, blue, alpha)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/interpolate.rs:157:30
[INFO] [stderr]     |
[INFO] [stderr] 157 |             let src_color1 = try!(src.get_pixel(x, src_y_int));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/interpolate.rs:158:30
[INFO] [stderr]     |
[INFO] [stderr] 158 |             let src_color2 = try!(src.get_pixel(x, src_y_int2));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/interpolate.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             try!(dest.set_pixel(x, y+offset_y, Color::rgba(red, green, blue, alpha)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:74:38
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     let pixel_left = try!(src.get_pixel(src_x, y));
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:75:39
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     let pixel_right = try!(src.get_pixel(dest_x, y));
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |                     try!(src.set_pixel(dest_x, y, pixel_left));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                     try!(src.set_pixel(src_x, y, pixel_right));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:94:37
[INFO] [stderr]    |
[INFO] [stderr] 94 |                     let pixel_top = try!(src.get_pixel(x, src_y));
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:95:40
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     let pixel_bottom = try!(src.get_pixel(x, dest_y));
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |                     try!(src.set_pixel(x, dest_y, pixel_top));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/transform.rs:98:21
[INFO] [stderr]    |
[INFO] [stderr] 98 |                     try!(src.set_pixel(x, src_y, pixel_bottom));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/transform.rs:187:29
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 let pixel = try!(src.get_pixel(point.0, point.1));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/transform.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 try!(dest.set_pixel(dest_x, dest_y, pixel));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/transform.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 try!(dest.set_pixel(dest_x, dest_y, Color::rgba(bg.r, bg.g, bg.b, bg.a)));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:34:25
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let rgba1 = try!(image1.get_pixel(canvas_x, canvas_y));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |             let rgba2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(canvas.set_pixel(canvas_x, canvas_y, Color::rgba(r3 as u8, g3 as u8, b3 as u8, a3 as u8)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:66:25
[INFO] [stderr]    |
[INFO] [stderr] 66 |             let rgba1 = try!(image1.get_pixel(canvas_x, canvas_y));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:72:25
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let rgba2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             try!(canvas.set_pixel(canvas_x, canvas_y, Color::rgba(r3 as u8, g3 as u8, b3 as u8, a3 as u8)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/blend.rs:98:26
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let color1 = try!(image1.get_pixel(canvas_x, canvas_y));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:104:26
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let color2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |             try!(canvas.set_pixel(canvas_x, canvas_y, Color::rgba(r3 as u8, g3 as u8, b3 as u8, a3 as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:130:25
[INFO] [stderr]     |
[INFO] [stderr] 130 |             let rgba1 = try!(image1.get_pixel(canvas_x, canvas_y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:136:25
[INFO] [stderr]     |
[INFO] [stderr] 136 |             let rgba2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |             try!(canvas.set_pixel(canvas_x, canvas_y, Color::rgba(r3 as u8, g3 as u8, b3 as u8, a3 as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:162:25
[INFO] [stderr]     |
[INFO] [stderr] 162 |             let rgba1 = try!(image1.get_pixel(canvas_x, canvas_y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:168:25
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let rgba2 = try!(image2.get_pixel(x, y));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/blend.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             try!(canvas.set_pixel(canvas_x, canvas_y, Color::rgba(r3 as u8, g3 as u8, b3 as u8, a3 as u8)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:105:20
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 r: try!(_hex_dec(&hex[1..3])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:106:20
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 g: try!(_hex_dec(&hex[3..5])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:107:20
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 b: try!(_hex_dec(&hex[5..7])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:108:20
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 a: try!(_hex_dec(&hex[7..9])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:112:20
[INFO] [stderr]     |
[INFO] [stderr] 112 |                 r: try!(_hex_dec(&hex[1..3])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:113:20
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 g: try!(_hex_dec(&hex[3..5])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/color.rs:114:20
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 b: try!(_hex_dec(&hex[5..7])),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:26:22
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut reader = try!(decoder.read_info());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     if let Some(_) = try!(reader.next_frame_info()) {
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         try!(reader.read_into_buffer(&mut bytes));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:49:16
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let file = try!(File::create(path));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut encoder = try!(
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     try!(encoder.write_frame(&frame).map_err(RasterError::Io));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:62:30
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let (info, mut reader) = try!(decoder.read_info());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     try!(reader.next_frame(&mut bytes));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:90:16
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let file = try!(File::create(path));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut writer = try!(encoder.write_header());
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/endec.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Ok(try!(writer.write_image_data(&image.bytes)))
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/image.rs:148:29
[INFO] [stderr]     |
[INFO] [stderr] 148 |                 let pixel = try!(self.get_pixel(x, y));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:148:16
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let file = try!(File::open(image_file));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:152:16
[INFO] [stderr]     |
[INFO] [stderr] 152 |             Ok(try!(endec::decode_gif(&file)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:155:23
[INFO] [stderr]     |
[INFO] [stderr] 155 |             let src = try!(piston_image::open(image_file));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:171:16
[INFO] [stderr]     |
[INFO] [stderr] 171 |             Ok(try!(endec::decode_png(&file)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:201:16
[INFO] [stderr]     |
[INFO] [stderr] 201 |             Ok(try!(endec::encode_gif(&image, &path)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:213:16
[INFO] [stderr]     |
[INFO] [stderr] 213 |             Ok(try!(endec::encode_png(&image, &path)))
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]    --> src/lib.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 | use std::ascii::AsciiExt;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]    --> src/lib.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 | use std::ascii::AsciiExt;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/editor.rs:276:13
[INFO] [stderr]     |
[INFO] [stderr] 276 | pub fn fill(mut src: &mut Image, color: Color) -> RasterResult<()> {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/editor.rs:414:15
[INFO] [stderr]     |
[INFO] [stderr] 414 | pub fn resize(mut src: &mut Image, w: i32, h: i32, mode: ResizeMode) -> RasterResult<()> {
[INFO] [stderr]     |               ----^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/filter.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn blur(mut src: &mut Image, mode: BlurMode) -> RasterResult<()>{
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/filter.rs:83:19
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub fn brightness(mut src: &mut Image, factor: f32) -> RasterResult<()>{
[INFO] [stderr]    |                   ----^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:227:15
[INFO] [stderr]     |
[INFO] [stderr] 227 | pub fn emboss(mut src: &mut Image) -> RasterResult<()>{
[INFO] [stderr]     |               ----^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:258:14
[INFO] [stderr]     |
[INFO] [stderr] 258 | pub fn gamma(mut src: &mut Image, gamma: f32) -> RasterResult<()>{
[INFO] [stderr]     |              ----^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:301:18
[INFO] [stderr]     |
[INFO] [stderr] 301 | pub fn grayscale(mut src: &mut Image) -> RasterResult<()>{
[INFO] [stderr]     |                  ----^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:341:19
[INFO] [stderr]     |
[INFO] [stderr] 341 | pub fn saturation(mut src: &mut Image, sat: f32) -> RasterResult<()>{
[INFO] [stderr]     |                   ----^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:385:16
[INFO] [stderr]     |
[INFO] [stderr] 385 | pub fn sharpen(mut src: &mut Image) -> RasterResult<()>{
[INFO] [stderr]     |                ----^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:399:13
[INFO] [stderr]     |
[INFO] [stderr] 399 | fn blur_box(mut src: &mut Image) -> RasterResult<()>{
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/filter.rs:410:18
[INFO] [stderr]     |
[INFO] [stderr] 410 | fn blur_gaussian(mut src: &mut Image) -> RasterResult<()>{
[INFO] [stderr]     |                  ----^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpolate.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn resample(mut src: &mut Image, w: i32, h: i32, interpolation: InterpolationMode) -> RasterResult<()> {
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpolate.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub fn bilinear(mut src: &mut Image, w2: i32, h2: i32) -> RasterResult<()> {
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/transform.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn flip(mut src: &mut Image, mode: TransformMode ) -> RasterResult<()> {
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transform.rs:204:21
[INFO] [stderr]     |
[INFO] [stderr] 204 | pub fn resize_exact(mut src: &mut Image, w: i32, h: i32) -> RasterResult<()> {
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transform.rs:210:28
[INFO] [stderr]     |
[INFO] [stderr] 210 | pub fn resize_exact_height(mut src: &mut Image, h: i32) -> RasterResult<()> {
[INFO] [stderr]     |                            ----^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transform.rs:224:27
[INFO] [stderr]     |
[INFO] [stderr] 224 | pub fn resize_exact_width(mut src: &mut Image, w: i32) -> RasterResult<()> {
[INFO] [stderr]     |                           ----^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transform.rs:236:20
[INFO] [stderr]     |
[INFO] [stderr] 236 | pub fn resize_fill(mut src: &mut Image, w: i32, h: i32) -> RasterResult<()> {
[INFO] [stderr]     |                    ----^^^
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transform.rs:258:19
[INFO] [stderr]     |
[INFO] [stderr] 258 | pub fn resize_fit(mut src: &mut Image, w: i32, h: i32) -> RasterResult<()> {
[INFO] [stderr]     |                   ----^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "2713bb531f45cacdc7f16ac06c1b6508faa3a49bb4e2d87791ebbdf75a10bb08"`
[INFO] running `"docker" "rm" "-f" "2713bb531f45cacdc7f16ac06c1b6508faa3a49bb4e2d87791ebbdf75a10bb08"`
[INFO] [stdout] 2713bb531f45cacdc7f16ac06c1b6508faa3a49bb4e2d87791ebbdf75a10bb08
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 33b6604d5223f0e21b9f2e409a60144270812eb7378257e6b02068e287e1b672
[INFO] running `"docker" "start" "-a" "33b6604d5223f0e21b9f2e409a60144270812eb7378257e6b02068e287e1b672"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/raster-fe45b315764b7e38
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests raster
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test src/compare.rs - compare::similar (line 17) ... FAILED
[INFO] [stdout] test src/editor.rs - editor::resize (line 395) ... FAILED
[INFO] [stdout] test src/color.rs - color::Color::to_hsv (line 184) ... FAILED
[INFO] [stdout] test src/color.rs - color::Color::rgba (line 161) ... FAILED
[INFO] [stdout] test src/editor.rs - editor::resize (line 306) ... FAILED
[INFO] [stdout] test src/compare.rs - compare::equal (line 44) ... FAILED
[INFO] [stdout] test src/color.rs - color::Color::rgb (line 136) ... FAILED
[INFO] [stdout] test src/editor.rs - editor::resize (line 375) ... FAILED
[INFO] [stdout] test src/color.rs - color::Color::hex (line 96) ... FAILED
[INFO] [stdout] test src/editor.rs - editor::resize (line 354) ... FAILED
[INFO] [stdout] test src/filter.rs - filter::emboss (line 212) ... FAILED
[INFO] [stdout] test src/filter.rs - filter::convolve (line 114) ... FAILED
[INFO] [stdout] test src/filter.rs - filter::blur (line 27) ... FAILED
[INFO] [stdout] test src/editor.rs - editor::fill (line 260) ... FAILED
[INFO] [stdout] test src/filter.rs - filter::blur (line 43) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 10) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 19) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 26) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 34) ... ignored
[INFO] [stdout] test src/color.rs - color::Color::to_rgb (line 240) ... FAILED
[INFO] [stdout] test src/filter.rs - filter::grayscale (line 287) ... FAILED
[INFO] [stdout] test src/image.rs - image::Image::blank (line 33) ... FAILED
[INFO] [stdout] test src/image.rs - image::Image::get_pixel (line 177) ... FAILED
[INFO] [stdout] test src/filter.rs - filter::brightness (line 69) ... FAILED
[INFO] [stdout] test src/filter.rs - filter::sharpen (line 371) ... FAILED
[INFO] [stdout] test src/editor.rs - editor::crop (line 172) ... FAILED
[INFO] [stdout] test src/filter.rs - filter::saturation (line 326) ... FAILED
[INFO] [stdout] test src/image.rs - image::Image::histogram (line 90) ... FAILED
[INFO] [stdout] test src/filter.rs - filter::gamma (line 243) ... FAILED
[INFO] [stdout] test src/image.rs - image::Image::check_pixel (line 62) ... FAILED
[INFO] [stdout] test src/color.rs - color::Color::hex (line 72) ... FAILED
[INFO] [stdout] test src/editor.rs - editor::blend (line 28) ... FAILED
[INFO] [stdout] test src/editor.rs - editor::resize (line 334) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 45) ... FAILED
[INFO] [stdout] test src/image.rs - image::Image::set_pixel (line 222) ... FAILED
[INFO] [stdout] test src/lib.rs - open (line 136) ... FAILED
[INFO] [stdout] test src/transform.rs - transform::flip (line 33) ... FAILED
[INFO] [stdout] test src/lib.rs - save (line 188) ... FAILED
[INFO] [stdout] test src/transform.rs - transform::flip (line 47) ... FAILED
[INFO] [stdout] test src/transform.rs - transform::rotate (line 117) ... FAILED
[INFO] [stderr] error: process didn't exit successfully: `rustdoc --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name raster -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/miniz-sys-6fe73e17669e05dc/out -L dependency=/opt/rustwide/target/debug/deps --extern gif=/opt/rustwide/target/debug/deps/libgif-748f30ad7b852b07.rlib --extern image=/opt/rustwide/target/debug/deps/libimage-2f909e652b811ebe.rlib --extern png=/opt/rustwide/target/debug/deps/libpng-89233d8c4ddf7793.rlib --extern raster=/opt/rustwide/target/debug/deps/libraster-be78f17b759189a8.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "33b6604d5223f0e21b9f2e409a60144270812eb7378257e6b02068e287e1b672"`
[INFO] running `"docker" "rm" "-f" "33b6604d5223f0e21b9f2e409a60144270812eb7378257e6b02068e287e1b672"`
[INFO] [stdout] 33b6604d5223f0e21b9f2e409a60144270812eb7378257e6b02068e287e1b672