[INFO] updating cached repository brollb/caesar-shift-cli
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brollb/caesar-shift-cli
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brollb/caesar-shift-cli" "work/ex/clippy-test-run/sources/stable/gh/brollb/caesar-shift-cli"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/brollb/caesar-shift-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brollb/caesar-shift-cli" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brollb/caesar-shift-cli"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brollb/caesar-shift-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c17ea6a1cb7c2458bd8b1ed6f5f57bfa27b91b1
[INFO] sha for GitHub repo brollb/caesar-shift-cli: 9c17ea6a1cb7c2458bd8b1ed6f5f57bfa27b91b1
[INFO] validating manifest of brollb/caesar-shift-cli 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 brollb/caesar-shift-cli 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 brollb/caesar-shift-cli
[INFO] finished frobbing brollb/caesar-shift-cli
[INFO] frobbed toml for brollb/caesar-shift-cli written to work/ex/clippy-test-run/sources/stable/gh/brollb/caesar-shift-cli/Cargo.toml
[INFO] started frobbing brollb/caesar-shift-cli
[INFO] finished frobbing brollb/caesar-shift-cli
[INFO] frobbed toml for brollb/caesar-shift-cli written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brollb/caesar-shift-cli/Cargo.toml
[INFO] crate brollb/caesar-shift-cli 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 brollb/caesar-shift-cli 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/brollb/caesar-shift-cli:/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] 28cb81d92a5d731f11692623731c81a984cc3f6b686143cdde36452073b65a7b
[INFO] running `"docker" "start" "-a" "28cb81d92a5d731f11692623731c81a984cc3f6b686143cdde36452073b65a7b"`
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking caesar-shift-cli v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     print!("\n");
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     print!("\n");
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             return c;
[INFO] [stderr]    |             ^^^^^^^^^ help: remove `return` as shown: `c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             return c;
[INFO] [stderr]    |             ^^^^^^^^^ help: remove `return` as shown: `c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.49s
[INFO] running `"docker" "inspect" "28cb81d92a5d731f11692623731c81a984cc3f6b686143cdde36452073b65a7b"`
[INFO] running `"docker" "rm" "-f" "28cb81d92a5d731f11692623731c81a984cc3f6b686143cdde36452073b65a7b"`
[INFO] [stdout] 28cb81d92a5d731f11692623731c81a984cc3f6b686143cdde36452073b65a7b