[INFO] crate base64-lib 0.2.2 is already in cache
[INFO] extracting crate base64-lib 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/base64-lib/0.2.2
[INFO] extracting crate base64-lib 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/base64-lib/0.2.2
[INFO] validating manifest of base64-lib-0.2.2 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 base64-lib-0.2.2 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 base64-lib-0.2.2
[INFO] finished frobbing base64-lib-0.2.2
[INFO] frobbed toml for base64-lib-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/base64-lib/0.2.2/Cargo.toml
[INFO] started frobbing base64-lib-0.2.2
[INFO] finished frobbing base64-lib-0.2.2
[INFO] frobbed toml for base64-lib-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/base64-lib/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 base64-lib-0.2.2 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/base64-lib/0.2.2:/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 -Dclippy::into_iter_on_array" "-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] b68c1ffdffd9fc968ed2c76e32fccd2b5a48a71e7832a88f139d31ab853efe54
[INFO] running `"docker" "start" "-a" "b68c1ffdffd9fc968ed2c76e32fccd2b5a48a71e7832a88f139d31ab853efe54"`
[INFO] [stderr]     Checking base64-lib v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     return encode_with_alphabet(&bytes, &String::from("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `encode_with_alphabet(&bytes, &String::from("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="))`
[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/lib.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     return decode_with_alphabet(&base64_string, &String::from("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `decode_with_alphabet(&base64_string, &String::from("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="))`
[INFO] [stderr]    |
[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/lib.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     return output;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `output`
[INFO] [stderr]     |
[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/lib.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     return output_vector;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `output_vector`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:181:16
[INFO] [stderr]     |
[INFO] [stderr] 181 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 182 | |           if pad_count == 0 {
[INFO] [stderr] 183 | |             output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr] 184 | |             output_vector.push(((number & 0x00ff00) >> 8) as u8);
[INFO] [stderr] ...   |
[INFO] [stderr] 193 | |           }
[INFO] [stderr] 194 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 181 |         } else if pad_count == 0 {
[INFO] [stderr] 182 |   output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr] 183 |   output_vector.push(((number & 0x00ff00) >> 8) as u8);
[INFO] [stderr] 184 |   output_vector.push((number & 0x0000ff) as u8);
[INFO] [stderr] 185 | } else if pad_count == 1 {
[INFO] [stderr] 186 |   output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:178:41
[INFO] [stderr]     |
[INFO] [stderr] 178 |           output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr]     |                                         ^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:179:41
[INFO] [stderr]     |
[INFO] [stderr] 179 |           output_vector.push(((number & 0x00ff00) >> 8) as u8);
[INFO] [stderr]     |                                         ^^^^^^^^ help: consider: `0x0000_ff00`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:180:40
[INFO] [stderr]     |
[INFO] [stderr] 180 |           output_vector.push((number & 0x0000ff) as u8);
[INFO] [stderr]     |                                        ^^^^^^^^ help: consider: `0x0000_00ff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:183:43
[INFO] [stderr]     |
[INFO] [stderr] 183 |             output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:184:43
[INFO] [stderr]     |
[INFO] [stderr] 184 |             output_vector.push(((number & 0x00ff00) >> 8) as u8);
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider: `0x0000_ff00`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:185:42
[INFO] [stderr]     |
[INFO] [stderr] 185 |             output_vector.push((number & 0x0000ff) as u8);
[INFO] [stderr]     |                                          ^^^^^^^^ help: consider: `0x0000_00ff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:187:43
[INFO] [stderr]     |
[INFO] [stderr] 187 |             output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:188:43
[INFO] [stderr]     |
[INFO] [stderr] 188 |             output_vector.push(((number & 0x00ff00) >> 8) as u8);
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider: `0x0000_ff00`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:190:43
[INFO] [stderr]     |
[INFO] [stderr] 190 |             output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     return lookup;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `lookup`
[INFO] [stderr]     |
[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/lib.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     return reverse_lookup;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reverse_lookup`
[INFO] [stderr]     |
[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/lib.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     return result;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[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/lib.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     return 0;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]     |
[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/lib.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 |     return alphabet_vector[alphabet_vector.len() - 1];
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `alphabet_vector[alphabet_vector.len() - 1]`
[INFO] [stderr]     |
[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/lib.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     return pad_count;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `pad_count`
[INFO] [stderr]     |
[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/lib.rs:294:5
[INFO] [stderr]     |
[INFO] [stderr] 294 |     return true;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]     |
[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/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     return encode_with_alphabet(&bytes, &String::from("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `encode_with_alphabet(&bytes, &String::from("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="))`
[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/lib.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     return decode_with_alphabet(&base64_string, &String::from("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `decode_with_alphabet(&base64_string, &String::from("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="))`
[INFO] [stderr]    |
[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/lib.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     return output;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `output`
[INFO] [stderr]     |
[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/lib.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     return output_vector;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `output_vector`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:181:16
[INFO] [stderr]     |
[INFO] [stderr] 181 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 182 | |           if pad_count == 0 {
[INFO] [stderr] 183 | |             output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr] 184 | |             output_vector.push(((number & 0x00ff00) >> 8) as u8);
[INFO] [stderr] ...   |
[INFO] [stderr] 193 | |           }
[INFO] [stderr] 194 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 181 |         } else if pad_count == 0 {
[INFO] [stderr] 182 |   output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr] 183 |   output_vector.push(((number & 0x00ff00) >> 8) as u8);
[INFO] [stderr] 184 |   output_vector.push((number & 0x0000ff) as u8);
[INFO] [stderr] 185 | } else if pad_count == 1 {
[INFO] [stderr] 186 |   output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:178:41
[INFO] [stderr]     |
[INFO] [stderr] 178 |           output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr]     |                                         ^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:179:41
[INFO] [stderr]     |
[INFO] [stderr] 179 |           output_vector.push(((number & 0x00ff00) >> 8) as u8);
[INFO] [stderr]     |                                         ^^^^^^^^ help: consider: `0x0000_ff00`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:180:40
[INFO] [stderr]     |
[INFO] [stderr] 180 |           output_vector.push((number & 0x0000ff) as u8);
[INFO] [stderr]     |                                        ^^^^^^^^ help: consider: `0x0000_00ff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:183:43
[INFO] [stderr]     |
[INFO] [stderr] 183 |             output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:184:43
[INFO] [stderr]     |
[INFO] [stderr] 184 |             output_vector.push(((number & 0x00ff00) >> 8) as u8);
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider: `0x0000_ff00`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:185:42
[INFO] [stderr]     |
[INFO] [stderr] 185 |             output_vector.push((number & 0x0000ff) as u8);
[INFO] [stderr]     |                                          ^^^^^^^^ help: consider: `0x0000_00ff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:187:43
[INFO] [stderr]     |
[INFO] [stderr] 187 |             output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:188:43
[INFO] [stderr]     |
[INFO] [stderr] 188 |             output_vector.push(((number & 0x00ff00) >> 8) as u8);
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider: `0x0000_ff00`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:190:43
[INFO] [stderr]     |
[INFO] [stderr] 190 |             output_vector.push(((number & 0xff0000) >> 16) as u8);
[INFO] [stderr]     |                                           ^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     return lookup;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `lookup`
[INFO] [stderr]     |
[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/lib.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     return reverse_lookup;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `reverse_lookup`
[INFO] [stderr]     |
[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/lib.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     return result;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[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/lib.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     return 0;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]     |
[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/lib.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 |     return alphabet_vector[alphabet_vector.len() - 1];
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `alphabet_vector[alphabet_vector.len() - 1]`
[INFO] [stderr]     |
[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/lib.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     return pad_count;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `pad_count`
[INFO] [stderr]     |
[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/lib.rs:294:5
[INFO] [stderr]     |
[INFO] [stderr] 294 |     return true;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]     |
[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/lib.rs:311:9
[INFO] [stderr]     |
[INFO] [stderr] 311 |         return plain_strings;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `plain_strings`
[INFO] [stderr]     |
[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/lib.rs:324:9
[INFO] [stderr]     |
[INFO] [stderr] 324 |         return base64_strings;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `base64_strings`
[INFO] [stderr]     |
[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/lib.rs:337:9
[INFO] [stderr]     |
[INFO] [stderr] 337 |         return nonstandard_base64_strings;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `nonstandard_base64_strings`
[INFO] [stderr]     |
[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/lib.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 |         return alphabet_strings;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `alphabet_strings`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[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/lib.rs:16:22
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn encode(bytes: &Vec<u8>) -> String {
[INFO] [stderr]    |                      ^^^^^^^^ help: change this to: `&[u8]`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:33:30
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn decode(base64_string: &String) -> Vec<u8> {
[INFO] [stderr]    |                              ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/lib.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn encode_with_alphabet(bytes: &Vec<u8>, alphabet: &String) -> String {
[INFO] [stderr]    |                                    ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:52:56
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn encode_with_alphabet(bytes: &Vec<u8>, alphabet: &String) -> String {
[INFO] [stderr]    |                                                        ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     if bytes.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `bytes.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/lib.rs:69:14
[INFO] [stderr]    |
[INFO] [stderr] 69 |     for i in 0..bytes.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: try replacing the loop by: `buffer[..bytes.len()].clone_from_slice(&bytes[..])`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/lib.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         number = number << 8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number <<= 8`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/lib.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         number = number << 8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number <<= 8`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         i = i + 3;
[INFO] [stderr]     |         ^^^^^^^^^ help: replace it with: `i += 3`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:136:44
[INFO] [stderr]     |
[INFO] [stderr] 136 | pub fn decode_with_alphabet(base64_string: &String, alphabet: &String) -> Vec<u8> {
[INFO] [stderr]     |                                            ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:136:63
[INFO] [stderr]     |
[INFO] [stderr] 136 | pub fn decode_with_alphabet(base64_string: &String, alphabet: &String) -> Vec<u8> {
[INFO] [stderr]     |                                                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         number = number << 6;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number <<= 6`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         number = number << 6;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number <<= 6`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         number = number << 6;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number <<= 6`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         i = i + 4;
[INFO] [stderr]     |         ^^^^^^^^^ help: replace it with: `i += 4`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:203:32
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn get_encode_lookup(alphabet: &String) -> Vec<char> {
[INFO] [stderr]     |                                ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:210:32
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn get_decode_lookup(alphabet: &String, pad_char: &char) -> HashMap<char, usize> {
[INFO] [stderr]     |                                ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:210:51
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn get_decode_lookup(alphabet: &String, pad_char: &char) -> HashMap<char, usize> {
[INFO] [stderr]     |                                                   ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         i = i + 1;
[INFO] [stderr]     |         ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:227:30
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn remove_pad_char(alphabet: &String) -> String {
[INFO] [stderr]     |                              ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/lib.rs:242:30
[INFO] [stderr]     |
[INFO] [stderr] 242 | fn get_number_of_pads(bytes: &Vec<u8>) -> usize {
[INFO] [stderr]     |                              ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:252:27
[INFO] [stderr]     |
[INFO] [stderr] 252 | fn get_pad_char(alphabet: &String) -> char {
[INFO] [stderr]     |                           ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 | fn get_pad_count(bytes: &Vec<char>, pad_char: &char) -> usize {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: change this to: `&[char]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:260:47
[INFO] [stderr]     |
[INFO] [stderr] 260 | fn get_pad_count(bytes: &Vec<char>, pad_char: &char) -> usize {
[INFO] [stderr]     |                                               ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:268:9
[INFO] [stderr]     |
[INFO] [stderr] 268 |         i = i + 1;
[INFO] [stderr]     |         ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:275:32
[INFO] [stderr]     |
[INFO] [stderr] 275 | fn validate_alphabet(alphabet: &String) -> bool {
[INFO] [stderr]     |                                ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/lib.rs:16:22
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn encode(bytes: &Vec<u8>) -> String {
[INFO] [stderr]    |                      ^^^^^^^^ help: change this to: `&[u8]`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:33:30
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn decode(base64_string: &String) -> Vec<u8> {
[INFO] [stderr]    |                              ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/lib.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn encode_with_alphabet(bytes: &Vec<u8>, alphabet: &String) -> String {
[INFO] [stderr]    |                                    ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:52:56
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn encode_with_alphabet(bytes: &Vec<u8>, alphabet: &String) -> String {
[INFO] [stderr]    |                                                        ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     if bytes.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `bytes.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/lib.rs:69:14
[INFO] [stderr]    |
[INFO] [stderr] 69 |     for i in 0..bytes.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: try replacing the loop by: `buffer[..bytes.len()].clone_from_slice(&bytes[..])`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/lib.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         number = number << 8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number <<= 8`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/lib.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         number = number << 8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number <<= 8`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         i = i + 3;
[INFO] [stderr]     |         ^^^^^^^^^ help: replace it with: `i += 3`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:136:44
[INFO] [stderr]     |
[INFO] [stderr] 136 | pub fn decode_with_alphabet(base64_string: &String, alphabet: &String) -> Vec<u8> {
[INFO] [stderr]     |                                            ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:136:63
[INFO] [stderr]     |
[INFO] [stderr] 136 | pub fn decode_with_alphabet(base64_string: &String, alphabet: &String) -> Vec<u8> {
[INFO] [stderr]     |                                                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         number = number << 6;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number <<= 6`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         number = number << 6;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number <<= 6`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         number = number << 6;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `number <<= 6`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         i = i + 4;
[INFO] [stderr]     |         ^^^^^^^^^ help: replace it with: `i += 4`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:203:32
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn get_encode_lookup(alphabet: &String) -> Vec<char> {
[INFO] [stderr]     |                                ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:210:32
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn get_decode_lookup(alphabet: &String, pad_char: &char) -> HashMap<char, usize> {
[INFO] [stderr]     |                                ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:210:51
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn get_decode_lookup(alphabet: &String, pad_char: &char) -> HashMap<char, usize> {
[INFO] [stderr]     |                                                   ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         i = i + 1;
[INFO] [stderr]     |         ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:227:30
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn remove_pad_char(alphabet: &String) -> String {
[INFO] [stderr]     |                              ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/lib.rs:242:30
[INFO] [stderr]     |
[INFO] [stderr] 242 | fn get_number_of_pads(bytes: &Vec<u8>) -> usize {
[INFO] [stderr]     |                              ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:252:27
[INFO] [stderr]     |
[INFO] [stderr] 252 | fn get_pad_char(alphabet: &String) -> char {
[INFO] [stderr]     |                           ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/lib.rs:260:25
[INFO] [stderr]     |
[INFO] [stderr] 260 | fn get_pad_count(bytes: &Vec<char>, pad_char: &char) -> usize {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: change this to: `&[char]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:260:47
[INFO] [stderr]     |
[INFO] [stderr] 260 | fn get_pad_count(bytes: &Vec<char>, pad_char: &char) -> usize {
[INFO] [stderr]     |                                               ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:268:9
[INFO] [stderr]     |
[INFO] [stderr] 268 |         i = i + 1;
[INFO] [stderr]     |         ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:275:32
[INFO] [stderr]     |
[INFO] [stderr] 275 | fn validate_alphabet(alphabet: &String) -> bool {
[INFO] [stderr]     |                                ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/lib.rs:364:31
[INFO] [stderr]     |
[INFO] [stderr] 364 |             assert!(actual == String::from(""));
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^ help: try: `""`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:377:17
[INFO] [stderr]     |
[INFO] [stderr] 377 |                 i = i + 1;
[INFO] [stderr]     |                 ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:406:17
[INFO] [stderr]     |
[INFO] [stderr] 406 |                 i = i + 1;
[INFO] [stderr]     |                 ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/lib.rs:420:31
[INFO] [stderr]     |
[INFO] [stderr] 420 |             assert!(actual == String::from(""));
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^ help: try: `""`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:434:17
[INFO] [stderr]     |
[INFO] [stderr] 434 |                 i = i + 1;
[INFO] [stderr]     |                 ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:468:17
[INFO] [stderr]     |
[INFO] [stderr] 468 |                 i = i + 1;
[INFO] [stderr]     |                 ^^^^^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "b68c1ffdffd9fc968ed2c76e32fccd2b5a48a71e7832a88f139d31ab853efe54"`
[INFO] running `"docker" "rm" "-f" "b68c1ffdffd9fc968ed2c76e32fccd2b5a48a71e7832a88f139d31ab853efe54"`
[INFO] [stdout] b68c1ffdffd9fc968ed2c76e32fccd2b5a48a71e7832a88f139d31ab853efe54