[INFO] updating cached repository jaysonsantos/bad-encryption-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jaysonsantos/bad-encryption-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jaysonsantos/bad-encryption-example" "work/ex/clippy-test-run/sources/stable/gh/jaysonsantos/bad-encryption-example"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jaysonsantos/bad-encryption-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jaysonsantos/bad-encryption-example" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jaysonsantos/bad-encryption-example"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jaysonsantos/bad-encryption-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 175f0ca058de91bc3052b66c3406f861ea64bf65
[INFO] sha for GitHub repo jaysonsantos/bad-encryption-example: 175f0ca058de91bc3052b66c3406f861ea64bf65
[INFO] validating manifest of jaysonsantos/bad-encryption-example 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 jaysonsantos/bad-encryption-example 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 jaysonsantos/bad-encryption-example
[INFO] finished frobbing jaysonsantos/bad-encryption-example
[INFO] frobbed toml for jaysonsantos/bad-encryption-example written to work/ex/clippy-test-run/sources/stable/gh/jaysonsantos/bad-encryption-example/Cargo.toml
[INFO] started frobbing jaysonsantos/bad-encryption-example
[INFO] finished frobbing jaysonsantos/bad-encryption-example
[INFO] frobbed toml for jaysonsantos/bad-encryption-example written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jaysonsantos/bad-encryption-example/Cargo.toml
[INFO] crate jaysonsantos/bad-encryption-example 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 jaysonsantos/bad-encryption-example against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/jaysonsantos/bad-encryption-example:/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] 446619792cc0bb4897feeb94142ee9615c2357a455edb81a16c426e7dede36a0
[INFO] running `"docker" "start" "-a" "446619792cc0bb4897feeb94142ee9615c2357a455edb81a16c426e7dede36a0"`
[INFO] [stderr]    Compiling deque v0.3.2
[INFO] [stderr]    Compiling num_cpus v1.4.0
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking deflate v0.7.7
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking rayon-core v1.0.0
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]    Compiling ring v0.7.5
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking bad-encryption-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let mut imgbuf = img.as_mut_rgb8().unwrap();
[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/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let mut imgbuf = img.as_mut_rgb8().unwrap();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/main.rs:80:39
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 for channel_number in 0..channels.len() {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^ help: try replacing the loop by: `channels.clone_from_slice(&in_out[..channels.len()])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/main.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 | /             let _ = ImageRgb8(imgbuf.clone())
[INFO] [stderr] 89 | |                 .save(&mut out_file, ImageFormat::JPEG)
[INFO] [stderr] 90 | |                 .unwrap();
[INFO] [stderr]    | |__________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let mut imgbuf = img.as_mut_rgb8().unwrap();
[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/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let mut imgbuf = img.as_mut_rgb8().unwrap();
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/main.rs:80:39
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 for channel_number in 0..channels.len() {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^ help: try replacing the loop by: `channels.clone_from_slice(&in_out[..channels.len()])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/main.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 | /             let _ = ImageRgb8(imgbuf.clone())
[INFO] [stderr] 89 | |                 .save(&mut out_file, ImageFormat::JPEG)
[INFO] [stderr] 90 | |                 .unwrap();
[INFO] [stderr]    | |__________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.10s
[INFO] running `"docker" "inspect" "446619792cc0bb4897feeb94142ee9615c2357a455edb81a16c426e7dede36a0"`
[INFO] running `"docker" "rm" "-f" "446619792cc0bb4897feeb94142ee9615c2357a455edb81a16c426e7dede36a0"`
[INFO] [stdout] 446619792cc0bb4897feeb94142ee9615c2357a455edb81a16c426e7dede36a0