[INFO] crate raster 0.2.0 is already in cache
[INFO] extracting crate raster 0.2.0 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/raster/0.2.0
[INFO] extracting crate raster 0.2.0 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/raster/0.2.0
[INFO] validating manifest of raster-0.2.0 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of raster-0.2.0 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing raster-0.2.0
[INFO] finished frobbing raster-0.2.0
[INFO] frobbed toml for raster-0.2.0 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/raster/0.2.0/Cargo.toml
[INFO] started frobbing raster-0.2.0
[INFO] finished frobbing raster-0.2.0
[INFO] frobbed toml for raster-0.2.0 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/raster/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking raster-0.2.0 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/raster/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 92e81c7ba6af8303484d28bea86a7eda12155c51d7b814b44fa84650f761e244
[INFO] running `"docker" "start" "-a" "92e81c7ba6af8303484d28bea86a7eda12155c51d7b814b44fa84650f761e244"`
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking raster v0.2.0 (/opt/crater/workdir)
[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]     = note: #[warn(deprecated)] on by default
[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]     = note: #[warn(deprecated)] on by default
[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:223:13
[INFO] [stderr]     |
[INFO] [stderr] 223 | pub fn crop(mut src: &mut Image, crop_width: i32, crop_height: i32, position: PositionMode, offset_x: i32, offset_y: i32) -> 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: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] 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: 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/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:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn nearest(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/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/interpolate.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn bilinear_width(mut src: &mut Image, w2: 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/interpolate.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn bilinear_height(mut src: &mut Image, 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:144:15
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub fn rotate(mut src: &mut Image, degree: i32, bg: Color) -> 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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/editor.rs:223:13
[INFO] [stderr]     |
[INFO] [stderr] 223 | pub fn crop(mut src: &mut Image, crop_width: i32, crop_height: i32, position: PositionMode, offset_x: i32, offset_y: i32) -> 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: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] 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:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn nearest(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/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/interpolate.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn bilinear_width(mut src: &mut Image, w2: 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/interpolate.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn bilinear_height(mut src: &mut Image, 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:144:15
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub fn rotate(mut src: &mut Image, degree: i32, bg: Color) -> 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 5.42s
[INFO] running `"docker" "inspect" "92e81c7ba6af8303484d28bea86a7eda12155c51d7b814b44fa84650f761e244"`
[INFO] running `"docker" "rm" "-f" "92e81c7ba6af8303484d28bea86a7eda12155c51d7b814b44fa84650f761e244"`
[INFO] [stdout] 92e81c7ba6af8303484d28bea86a7eda12155c51d7b814b44fa84650f761e244