[INFO] updating cached repository Rohrschacht/hashfilter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rohrschacht/hashfilter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rohrschacht/hashfilter" "work/ex/clippy-test-run/sources/stable/gh/Rohrschacht/hashfilter"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Rohrschacht/hashfilter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rohrschacht/hashfilter" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Rohrschacht/hashfilter"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Rohrschacht/hashfilter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 687876cf9b8fd3cdcf91dfc1c8e2c2ddeac4ab00
[INFO] sha for GitHub repo Rohrschacht/hashfilter: 687876cf9b8fd3cdcf91dfc1c8e2c2ddeac4ab00
[INFO] validating manifest of Rohrschacht/hashfilter 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 Rohrschacht/hashfilter 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 Rohrschacht/hashfilter
[INFO] finished frobbing Rohrschacht/hashfilter
[INFO] frobbed toml for Rohrschacht/hashfilter written to work/ex/clippy-test-run/sources/stable/gh/Rohrschacht/hashfilter/Cargo.toml
[INFO] started frobbing Rohrschacht/hashfilter
[INFO] finished frobbing Rohrschacht/hashfilter
[INFO] frobbed toml for Rohrschacht/hashfilter written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Rohrschacht/hashfilter/Cargo.toml
[INFO] crate Rohrschacht/hashfilter 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 Rohrschacht/hashfilter 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/Rohrschacht/hashfilter:/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] dfa531f6d313ad674c161bbf7d0d057309c349fafbc270751db2c69fad31275b
[INFO] running `"docker" "start" "-a" "dfa531f6d313ad674c161bbf7d0d057309c349fafbc270751db2c69fad31275b"`
[INFO] [stderr]     Checking hashfilter v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/util.rs:181:16
[INFO] [stderr]     |
[INFO] [stderr] 181 |         _ => { return Err("Could not recognize hashing algorithm") }
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err("Could not recognize hashing algorithm")`
[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/util.rs:314:9
[INFO] [stderr]     |
[INFO] [stderr] 314 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/filter.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 return Err("Could not open _algorithm_sum.txt");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err("Could not open _algorithm_sum.txt")`
[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/filter.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         return None
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `None`
[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 unit return type
[INFO] [stderr]   --> src/update.rs:87:90
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn execute_threads_unlimited(opts: &super::util::Options, dirs_to_process: Vec<PathBuf>) -> () {
[INFO] [stderr]    |                                                                                          ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |         const VERSION: &'static str = env!("CARGO_PKG_VERSION");
[INFO] [stderr]    |                        -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/util.rs:181:16
[INFO] [stderr]     |
[INFO] [stderr] 181 |         _ => { return Err("Could not recognize hashing algorithm") }
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err("Could not recognize hashing algorithm")`
[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/util.rs:314:9
[INFO] [stderr]     |
[INFO] [stderr] 314 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/filter.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 return Err("Could not open _algorithm_sum.txt");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err("Could not open _algorithm_sum.txt")`
[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/filter.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         return None
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `None`
[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 unit return type
[INFO] [stderr]   --> src/update.rs:87:90
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn execute_threads_unlimited(opts: &super::util::Options, dirs_to_process: Vec<PathBuf>) -> () {
[INFO] [stderr]    |                                                                                          ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |         const VERSION: &'static str = env!("CARGO_PKG_VERSION");
[INFO] [stderr]    |                        -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/util.rs:78:32
[INFO] [stderr]    |
[INFO] [stderr] 78 |             if arg.starts_with("-") {
[INFO] [stderr]    |                                ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/util.rs:85:47
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         match args.get(i + 1).expect(format!("Usage: {} {} quiet/info/debug", opts.program_name, args[i]).as_ref()).as_ref() {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Usage: {} {} quiet/info/debug", opts.program_name))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/util.rs:95:41
[INFO] [stderr]    |
[INFO] [stderr] 95 |                         .trim().parse().expect(format!("Usage: {} -T NUMBER_OF_MAX_THREADS", opts.program_name).as_ref()),
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Usage: {} -T NUMBER_OF_MAX_THREADS", opts.program_name))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/util.rs:94:78
[INFO] [stderr]    |
[INFO] [stderr] 94 |                     "-T" | "--threads" => opts.num_threads = args.get(i + 1).expect(format!("Usage: {} -T NUMBER_OF_MAX_THREADS", opts.program_name).as_ref())
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Usage: {} -T NUMBER_OF_MAX_THREADS", opts.program_name))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/util.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 | /         match arg.contains("=") {
[INFO] [stderr] 143 | |             false => {
[INFO] [stderr] 144 | |                 if arg.contains("-") && !arg.contains("--") && arg.len() > 2 {
[INFO] [stderr] 145 | |                     let characters = &arg[1..];
[INFO] [stderr] ...   |
[INFO] [stderr] 160 | |             }
[INFO] [stderr] 161 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 142 |         if arg.contains("=") {
[INFO] [stderr] 143 |     let position = arg.find("=").unwrap();
[INFO] [stderr] 144 |     let prefix = arg[0..position].to_string();
[INFO] [stderr] 145 |     let suffix = arg[position + 1 ..].to_string();
[INFO] [stderr] 146 |     prepared_args.push(prefix);
[INFO] [stderr] 147 |     prepared_args.push(suffix);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/util.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |         match arg.contains("=") {
[INFO] [stderr]     |                            ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/util.rs:144:33
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 if arg.contains("-") && !arg.contains("--") && arg.len() > 2 {
[INFO] [stderr]     |                                 ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/util.rs:155:41
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 let position = arg.find("=").unwrap();
[INFO] [stderr]     |                                         ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/util.rs:297:49
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 let position = path_string.find("/").unwrap();
[INFO] [stderr]     |                                                 ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/util.rs:322:12
[INFO] [stderr]     |
[INFO] [stderr] 322 |         if self.unfinished_read.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.unfinished_read.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/util.rs:78:32
[INFO] [stderr]    |
[INFO] [stderr] 78 |             if arg.starts_with("-") {
[INFO] [stderr]    |                                ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/util.rs:85:47
[INFO] [stderr]    |
[INFO] [stderr] 85 |                         match args.get(i + 1).expect(format!("Usage: {} {} quiet/info/debug", opts.program_name, args[i]).as_ref()).as_ref() {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Usage: {} {} quiet/info/debug", opts.program_name))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/util.rs:95:41
[INFO] [stderr]    |
[INFO] [stderr] 95 |                         .trim().parse().expect(format!("Usage: {} -T NUMBER_OF_MAX_THREADS", opts.program_name).as_ref()),
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Usage: {} -T NUMBER_OF_MAX_THREADS", opts.program_name))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/util.rs:94:78
[INFO] [stderr]    |
[INFO] [stderr] 94 |                     "-T" | "--threads" => opts.num_threads = args.get(i + 1).expect(format!("Usage: {} -T NUMBER_OF_MAX_THREADS", opts.program_name).as_ref())
[INFO] [stderr]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Usage: {} -T NUMBER_OF_MAX_THREADS", opts.program_name))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/util.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 | /         match arg.contains("=") {
[INFO] [stderr] 143 | |             false => {
[INFO] [stderr] 144 | |                 if arg.contains("-") && !arg.contains("--") && arg.len() > 2 {
[INFO] [stderr] 145 | |                     let characters = &arg[1..];
[INFO] [stderr] ...   |
[INFO] [stderr] 160 | |             }
[INFO] [stderr] 161 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 142 |         if arg.contains("=") {
[INFO] [stderr] 143 |     let position = arg.find("=").unwrap();
[INFO] [stderr] 144 |     let prefix = arg[0..position].to_string();
[INFO] [stderr] 145 |     let suffix = arg[position + 1 ..].to_string();
[INFO] [stderr] 146 |     prepared_args.push(prefix);
[INFO] [stderr] 147 |     prepared_args.push(suffix);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/util.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |         match arg.contains("=") {
[INFO] [stderr]     |                            ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/util.rs:144:33
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 if arg.contains("-") && !arg.contains("--") && arg.len() > 2 {
[INFO] [stderr]     |                                 ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/util.rs:155:41
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 let position = arg.find("=").unwrap();
[INFO] [stderr]     |                                         ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/update.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     match opts.subdir_mode {
[INFO] [stderr] 23 | |         false => update_hashsums(PathBuf::from(&opts.folder), opts),
[INFO] [stderr] 24 | |         true => {
[INFO] [stderr] 25 | |             let dirs_to_process = gather_directories_to_process(&opts);
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |         }
[INFO] [stderr] 32 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/util.rs:297:49
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 let position = path_string.find("/").unwrap();
[INFO] [stderr]     |                                                 ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/util.rs:322:12
[INFO] [stderr]     |
[INFO] [stderr] 322 |         if self.unfinished_read.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.unfinished_read.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]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if opts.subdir_mode {
[INFO] [stderr] 23 |     let dirs_to_process = gather_directories_to_process(&opts);
[INFO] [stderr] 24 | 
[INFO] [stderr] 25 |     match opts.num_threads {
[INFO] [stderr] 26 |         0 => execute_threads_unlimited(&opts, dirs_to_process),
[INFO] [stderr] 27 |         _ => execute_threads_limited(opts, dirs_to_process)
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/update.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     match opts.subdir_mode {
[INFO] [stderr] 23 | |         false => update_hashsums(PathBuf::from(&opts.folder), opts),
[INFO] [stderr] 24 | |         true => {
[INFO] [stderr] 25 | |             let dirs_to_process = gather_directories_to_process(&opts);
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |         }
[INFO] [stderr] 32 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if opts.subdir_mode {
[INFO] [stderr] 23 |     let dirs_to_process = gather_directories_to_process(&opts);
[INFO] [stderr] 24 | 
[INFO] [stderr] 25 |     match opts.num_threads {
[INFO] [stderr] 26 |         0 => execute_threads_unlimited(&opts, dirs_to_process),
[INFO] [stderr] 27 |         _ => execute_threads_limited(opts, dirs_to_process)
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/verify.rs:36:30
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut termios_noecho = termios_original.clone();
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `termios_original`
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/verify.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | /     match opts.subdir_mode {
[INFO] [stderr] 40 | |         false => {
[INFO] [stderr] 41 | |             // execute in directory
[INFO] [stderr] 42 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 66 | |         }
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 39 |     if opts.subdir_mode {
[INFO] [stderr] 40 |     // iterate over subdirs and spawn verify_directory threads
[INFO] [stderr] 41 | 
[INFO] [stderr] 42 |     let (dirs_to_process, longest_folder) = gather_directories_to_process(&opts, already_checked);
[INFO] [stderr] 43 | 
[INFO] [stderr] 44 |     if opts.loglevel_progress() {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _unused =`
[INFO] [stderr]   --> src/verify.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let _unused = termios::tcsetattr(0, termios::TCSANOW, &termios_noecho).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: this let-binding has unit value. Consider omitting `let _unused =`
[INFO] [stderr]   --> src/verify.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let _unused = termios::tcsetattr(0, termios::TCSANOW, &termios_noecho).unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/verify.rs:36:30
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut termios_noecho = termios_original.clone();
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `termios_original`
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/verify.rs:113:76
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn execute_threads_unlimited(opts: &super::util::Options, known_good_path: &String, to_check_path: &String, dirs_to_process: &Vec<PathBuf>, longest_folder: usize) {
[INFO] [stderr]     |                                                                            ^^^^^^^
[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] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn execute_threads_unlimited(opts: &super::util::Options, known_good_path: &str, to_check_path: &String, dirs_to_process: &Vec<PathBuf>, longest_folder: usize) {
[INFO] [stderr]     |                                                                            ^^^^
[INFO] [stderr] help: change `known_good_path.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let thread_known_good_path = known_good_path.to_string();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/verify.rs:113:100
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn execute_threads_unlimited(opts: &super::util::Options, known_good_path: &String, to_check_path: &String, dirs_to_process: &Vec<PathBuf>, longest_folder: usize) {
[INFO] [stderr]     |                                                                                                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn execute_threads_unlimited(opts: &super::util::Options, known_good_path: &String, to_check_path: &str, dirs_to_process: &Vec<PathBuf>, longest_folder: usize) {
[INFO] [stderr]     |                                                                                                    ^^^^
[INFO] [stderr] help: change `to_check_path.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let thread_to_check_path = to_check_path.to_string();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[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/verify.rs:113:126
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn execute_threads_unlimited(opts: &super::util::Options, known_good_path: &String, to_check_path: &String, dirs_to_process: &Vec<PathBuf>, longest_folder: usize) {
[INFO] [stderr]     |                                                                                                                              ^^^^^^^^^^^^^ help: change this to: `&[PathBuf]`
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/verify.rs:122:33
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let thread_print_line = print_line.clone();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `print_line`
[INFO] [stderr]     |
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/verify.rs:155:33
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let thread_print_line = print_line.clone();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `print_line`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/verify.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | /     match opts.subdir_mode {
[INFO] [stderr] 40 | |         false => {
[INFO] [stderr] 41 | |             // execute in directory
[INFO] [stderr] 42 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 66 | |         }
[INFO] [stderr] 67 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 39 |     if opts.subdir_mode {
[INFO] [stderr] 40 |     // iterate over subdirs and spawn verify_directory threads
[INFO] [stderr] 41 | 
[INFO] [stderr] 42 |     let (dirs_to_process, longest_folder) = gather_directories_to_process(&opts, already_checked);
[INFO] [stderr] 43 | 
[INFO] [stderr] 44 |     if opts.loglevel_progress() {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _unused =`
[INFO] [stderr]   --> src/verify.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let _unused = termios::tcsetattr(0, termios::TCSANOW, &termios_noecho).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: this let-binding has unit value. Consider omitting `let _unused =`
[INFO] [stderr]   --> src/verify.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let _unused = termios::tcsetattr(0, termios::TCSANOW, &termios_noecho).unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/verify.rs:113:76
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn execute_threads_unlimited(opts: &super::util::Options, known_good_path: &String, to_check_path: &String, dirs_to_process: &Vec<PathBuf>, longest_folder: usize) {
[INFO] [stderr]     |                                                                            ^^^^^^^
[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] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn execute_threads_unlimited(opts: &super::util::Options, known_good_path: &str, to_check_path: &String, dirs_to_process: &Vec<PathBuf>, longest_folder: usize) {
[INFO] [stderr]     |                                                                            ^^^^
[INFO] [stderr] help: change `known_good_path.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let thread_known_good_path = known_good_path.to_string();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/verify.rs:113:100
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn execute_threads_unlimited(opts: &super::util::Options, known_good_path: &String, to_check_path: &String, dirs_to_process: &Vec<PathBuf>, longest_folder: usize) {
[INFO] [stderr]     |                                                                                                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn execute_threads_unlimited(opts: &super::util::Options, known_good_path: &String, to_check_path: &str, dirs_to_process: &Vec<PathBuf>, longest_folder: usize) {
[INFO] [stderr]     |                                                                                                    ^^^^
[INFO] [stderr] help: change `to_check_path.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let thread_to_check_path = to_check_path.to_string();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[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/verify.rs:113:126
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn execute_threads_unlimited(opts: &super::util::Options, known_good_path: &String, to_check_path: &String, dirs_to_process: &Vec<PathBuf>, longest_folder: usize) {
[INFO] [stderr]     |                                                                                                                              ^^^^^^^^^^^^^ help: change this to: `&[PathBuf]`
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/verify.rs:122:33
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let thread_print_line = print_line.clone();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `print_line`
[INFO] [stderr]     |
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/verify.rs:155:33
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let thread_print_line = print_line.clone();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `print_line`
[INFO] [stderr]     |
[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: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/verify.rs:184:19
[INFO] [stderr]     |
[INFO] [stderr] 184 |       let success = match opts.loglevel_progress() {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 185 | |         true => verify_directory_with_progressbar(&workdir, &opts, &print_line, &mut failed_paths, longest_folder),
[INFO] [stderr] 186 | |         false => verify_directory_oneshot(&workdir, &opts, &mut failed_paths)
[INFO] [stderr] 187 | |     };
[INFO] [stderr]     | |_____^ help: consider using an if/else expression: `if opts.loglevel_progress() { verify_directory_with_progressbar(&workdir, &opts, &print_line, &mut failed_paths, longest_folder) } else { verify_directory_oneshot(&workdir, &opts, &mut failed_paths) }`
[INFO] [stderr]     |
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/verify.rs:184:19
[INFO] [stderr]     |
[INFO] [stderr] 184 |       let success = match opts.loglevel_progress() {
[INFO] [stderr]     |  ___________________^
[INFO] [stderr] 185 | |         true => verify_directory_with_progressbar(&workdir, &opts, &print_line, &mut failed_paths, longest_folder),
[INFO] [stderr] 186 | |         false => verify_directory_oneshot(&workdir, &opts, &mut failed_paths)
[INFO] [stderr] 187 | |     };
[INFO] [stderr]     | |_____^ help: consider using an if/else expression: `if opts.loglevel_progress() { verify_directory_with_progressbar(&workdir, &opts, &print_line, &mut failed_paths, longest_folder) } else { verify_directory_oneshot(&workdir, &opts, &mut failed_paths) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[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/verify.rs:206:108
[INFO] [stderr]     |
[INFO] [stderr] 206 | fn inform_directory_bad(workdir: PathBuf, to_check_path: String, opts: super::util::Options, failed_paths: &Vec<String>) {
[INFO] [stderr]     |                                                                                                            ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/verify.rs:206:108
[INFO] [stderr]     |
[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] 206 | fn inform_directory_bad(workdir: PathBuf, to_check_path: String, opts: super::util::Options, failed_paths: &Vec<String>) {
[INFO] [stderr]     |                                                                                                            ^^^^^^^^^^^^ help: change this to: `&[String]`
[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/verify.rs:311:98
[INFO] [stderr]     |
[INFO] [stderr] 311 | fn verify_directory_with_progressbar(workdir: &PathBuf, opts: &super::util::Options, print_line: &u32, failed_paths: &mut Vec<String>, longest_folder: usize) -> Result<(), io::Error> {
[INFO] [stderr]     |                                                                                                  ^^^^ help: consider passing by value instead: `u32`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/verify.rs:311:98
[INFO] [stderr]     |
[INFO] [stderr] 311 | fn verify_directory_with_progressbar(workdir: &PathBuf, opts: &super::util::Options, print_line: &u32, failed_paths: &mut Vec<String>, longest_folder: usize) -> Result<(), io::Error> {
[INFO] [stderr]     |                                                                                                  ^^^^ help: consider passing by value instead: `u32`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/verify.rs:398:30
[INFO] [stderr]     |
[INFO] [stderr] 398 | fn print_progress(all_bytes: &u64, processed_bytes: &u64, line: &u32, workdir: &PathBuf, longest_folder: usize) -> Result<(), io::Error> {
[INFO] [stderr]     |                              ^^^^ help: consider passing by value instead: `u64`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/verify.rs:398:53
[INFO] [stderr]     |
[INFO] [stderr] 398 | fn print_progress(all_bytes: &u64, processed_bytes: &u64, line: &u32, workdir: &PathBuf, longest_folder: usize) -> Result<(), io::Error> {
[INFO] [stderr]     |                                                     ^^^^ help: consider passing by value instead: `u64`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/verify.rs:398:65
[INFO] [stderr]     |
[INFO] [stderr] 398 | fn print_progress(all_bytes: &u64, processed_bytes: &u64, line: &u32, workdir: &PathBuf, longest_folder: usize) -> Result<(), io::Error> {
[INFO] [stderr]     |                                                                 ^^^^ help: consider passing by value instead: `u32`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/verify.rs:398:30
[INFO] [stderr]     |
[INFO] [stderr] 398 | fn print_progress(all_bytes: &u64, processed_bytes: &u64, line: &u32, workdir: &PathBuf, longest_folder: usize) -> Result<(), io::Error> {
[INFO] [stderr]     |                              ^^^^ help: consider passing by value instead: `u64`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/verify.rs:398:53
[INFO] [stderr]     |
[INFO] [stderr] 398 | fn print_progress(all_bytes: &u64, processed_bytes: &u64, line: &u32, workdir: &PathBuf, longest_folder: usize) -> Result<(), io::Error> {
[INFO] [stderr]     |                                                     ^^^^ help: consider passing by value instead: `u64`
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/verify.rs:412:12
[INFO] [stderr]     |
[INFO] [stderr] 412 |         if (i as f64) < progress_bar {
[INFO] [stderr]     |            ^^^^^^^^^^ help: try: `f64::from(i)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/verify.rs:398:65
[INFO] [stderr]     |
[INFO] [stderr] 398 | fn print_progress(all_bytes: &u64, processed_bytes: &u64, line: &u32, workdir: &PathBuf, longest_folder: usize) -> Result<(), io::Error> {
[INFO] [stderr]     |                                                                 ^^^^ help: consider passing by value instead: `u32`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/verify.rs:430:24
[INFO] [stderr]     |
[INFO] [stderr] 430 | fn print_message(line: &u32, message: &str, workdir: &PathBuf) -> Result<(), io::Error> {
[INFO] [stderr]     |                        ^^^^ help: consider passing by value instead: `u32`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/verify.rs:412:12
[INFO] [stderr]     |
[INFO] [stderr] 412 |         if (i as f64) < progress_bar {
[INFO] [stderr]     |            ^^^^^^^^^^ help: try: `f64::from(i)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/verify.rs:433:5
[INFO] [stderr]     |
[INFO] [stderr] 433 |     handle.write(b"\x1b[s")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/verify.rs:430:24
[INFO] [stderr]     |
[INFO] [stderr] 430 | fn print_message(line: &u32, message: &str, workdir: &PathBuf) -> Result<(), io::Error> {
[INFO] [stderr]     |                        ^^^^ help: consider passing by value instead: `u32`
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/verify.rs:433:5
[INFO] [stderr]     |
[INFO] [stderr] 433 |     handle.write(b"\x1b[s")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/verify.rs:436:5
[INFO] [stderr]     |
[INFO] [stderr] 436 |     handle.write(b"\x1b[u")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/verify.rs:436:5
[INFO] [stderr]     |
[INFO] [stderr] 436 |     handle.write(b"\x1b[u")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `hashfilter`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `hashfilter`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "dfa531f6d313ad674c161bbf7d0d057309c349fafbc270751db2c69fad31275b"`
[INFO] running `"docker" "rm" "-f" "dfa531f6d313ad674c161bbf7d0d057309c349fafbc270751db2c69fad31275b"`
[INFO] [stdout] dfa531f6d313ad674c161bbf7d0d057309c349fafbc270751db2c69fad31275b