[INFO] updating cached repository Gopiandcode/image-masker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gopiandcode/image-masker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gopiandcode/image-masker" "work/ex/clippy-test-run/sources/stable/gh/Gopiandcode/image-masker"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Gopiandcode/image-masker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gopiandcode/image-masker" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Gopiandcode/image-masker"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Gopiandcode/image-masker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a85cc6658bd21d39a2dc90307e44d8e7fac22a6
[INFO] sha for GitHub repo Gopiandcode/image-masker: 7a85cc6658bd21d39a2dc90307e44d8e7fac22a6
[INFO] validating manifest of Gopiandcode/image-masker on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Gopiandcode/image-masker on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Gopiandcode/image-masker
[INFO] finished frobbing Gopiandcode/image-masker
[INFO] frobbed toml for Gopiandcode/image-masker written to work/ex/clippy-test-run/sources/stable/gh/Gopiandcode/image-masker/Cargo.toml
[INFO] started frobbing Gopiandcode/image-masker
[INFO] finished frobbing Gopiandcode/image-masker
[INFO] frobbed toml for Gopiandcode/image-masker written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Gopiandcode/image-masker/Cargo.toml
[INFO] crate Gopiandcode/image-masker has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting Gopiandcode/image-masker against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Gopiandcode/image-masker:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3f86b13a836a4ea35cc6e5b618f0d317c542b170cbf15fe68c3f382bc2695b69
[INFO] running `"docker" "start" "-a" "3f86b13a836a4ea35cc6e5b618f0d317c542b170cbf15fe68c3f382bc2695b69"`
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking image-masker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `dx` is never read
[INFO] [stderr]    --> src/main.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let mut dx : i32 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `dy` is never read
[INFO] [stderr]    --> src/main.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let mut dy : i32 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         self.0.clone()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:104:89
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn write_rectangles_to_file<P:AsRef<Path>>(path: &P, (width, height): (u32,u32), rects: &Vec<Rect>) {
[INFO] [stderr]     |                                                                                         ^^^^^^^^^^ help: change this to: `&[Rect]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `dx` is never read
[INFO] [stderr]    --> src/main.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let mut dx : i32 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `dy` is never read
[INFO] [stderr]    --> src/main.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let mut dy : i32 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         self.0.clone()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:104:89
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn write_rectangles_to_file<P:AsRef<Path>>(path: &P, (width, height): (u32,u32), rects: &Vec<Rect>) {
[INFO] [stderr]     |                                                                                         ^^^^^^^^^^ help: change this to: `&[Rect]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.75s
[INFO] running `"docker" "inspect" "3f86b13a836a4ea35cc6e5b618f0d317c542b170cbf15fe68c3f382bc2695b69"`
[INFO] running `"docker" "rm" "-f" "3f86b13a836a4ea35cc6e5b618f0d317c542b170cbf15fe68c3f382bc2695b69"`
[INFO] [stdout] 3f86b13a836a4ea35cc6e5b618f0d317c542b170cbf15fe68c3f382bc2695b69