[INFO] updating cached repository laelath/rsnow
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/laelath/rsnow
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/laelath/rsnow" "work/ex/clippy-test-run/sources/stable/gh/laelath/rsnow"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/laelath/rsnow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/laelath/rsnow" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/laelath/rsnow"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/laelath/rsnow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e9e1972565351749af219d8a72cb0ad24515592
[INFO] sha for GitHub repo laelath/rsnow: 5e9e1972565351749af219d8a72cb0ad24515592
[INFO] validating manifest of laelath/rsnow 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 laelath/rsnow 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 laelath/rsnow
[INFO] finished frobbing laelath/rsnow
[INFO] frobbed toml for laelath/rsnow written to work/ex/clippy-test-run/sources/stable/gh/laelath/rsnow/Cargo.toml
[INFO] started frobbing laelath/rsnow
[INFO] finished frobbing laelath/rsnow
[INFO] frobbed toml for laelath/rsnow written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/laelath/rsnow/Cargo.toml
[INFO] crate laelath/rsnow 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 laelath/rsnow against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/laelath/rsnow:/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] 523f870ead652c83ea099f037bb3a9539f4f19ee7e5213e67128bf70f06254ce
[INFO] running `"docker" "start" "-a" "523f870ead652c83ea099f037bb3a9539f4f19ee7e5213e67128bf70f06254ce"`
[INFO] [stderr]    Compiling ncurses v5.97.0
[INFO] [stderr]     Checking rsnow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut snow = vec![vec![' ' as u8; cols]; rows];
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b' '
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:35:30
[INFO] [stderr]    |
[INFO] [stderr] 35 |             snow = vec![vec![' ' as u8; cols]; rows];
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b' '
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:42:38
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 if from[row][col] == '*' as u8 {
[INFO] [stderr]    |                                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'*'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:44:42
[INFO] [stderr]    |
[INFO] [stderr] 44 |                         if to[0][col] == ' ' as u8 {
[INFO] [stderr]    |                                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b' '
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:47:65
[INFO] [stderr]    |
[INFO] [stderr] 47 |                         } else if col != 0 && to[0][col - 1] == ' ' as u8 {
[INFO] [stderr]    |                                                                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b' '
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:50:72
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         } else if col != cols - 1 && to[0][col + 1] == ' ' as u8 {
[INFO] [stderr]    |                                                                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b' '
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 *c = '*' as u8;
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'*'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `snow`
[INFO] [stderr]   --> src/main.rs:67:18
[INFO] [stderr]    |
[INFO] [stderr] 67 |         for i in 0..rows {
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 67 |         for (i, <item>) in snow.iter().enumerate().take(rows) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut snow = vec![vec![' ' as u8; cols]; rows];
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b' '
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:35:30
[INFO] [stderr]    |
[INFO] [stderr] 35 |             snow = vec![vec![' ' as u8; cols]; rows];
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b' '
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:42:38
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 if from[row][col] == '*' as u8 {
[INFO] [stderr]    |                                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'*'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:44:42
[INFO] [stderr]    |
[INFO] [stderr] 44 |                         if to[0][col] == ' ' as u8 {
[INFO] [stderr]    |                                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b' '
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:47:65
[INFO] [stderr]    |
[INFO] [stderr] 47 |                         } else if col != 0 && to[0][col - 1] == ' ' as u8 {
[INFO] [stderr]    |                                                                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b' '
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:50:72
[INFO] [stderr]    |
[INFO] [stderr] 50 |                         } else if col != cols - 1 && to[0][col + 1] == ' ' as u8 {
[INFO] [stderr]    |                                                                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b' '
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]   --> src/main.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 *c = '*' as u8;
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider using a byte literal instead:
[INFO] [stderr]            b'*'
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `snow`
[INFO] [stderr]   --> src/main.rs:67:18
[INFO] [stderr]    |
[INFO] [stderr] 67 |         for i in 0..rows {
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 67 |         for (i, <item>) in snow.iter().enumerate().take(rows) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `"docker" "inspect" "523f870ead652c83ea099f037bb3a9539f4f19ee7e5213e67128bf70f06254ce"`
[INFO] running `"docker" "rm" "-f" "523f870ead652c83ea099f037bb3a9539f4f19ee7e5213e67128bf70f06254ce"`
[INFO] [stdout] 523f870ead652c83ea099f037bb3a9539f4f19ee7e5213e67128bf70f06254ce