[INFO] crate clap 2.33.1 is already in cache
[INFO] testing clap-2.33.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate clap 2.33.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate clap 2.33.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clap 2.33.1
[INFO] finished tweaking crates.io crate clap 2.33.1
[INFO] tweaked toml for crates.io crate clap 2.33.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate clap 2.33.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73665942f46e22e483e0d42a5af5e07662cedd437a855815bc25f005b55d3d40
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73665942f46e22e483e0d42a5af5e07662cedd437a855815bc25f005b55d3d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73665942f46e22e483e0d42a5af5e07662cedd437a855815bc25f005b55d3d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73665942f46e22e483e0d42a5af5e07662cedd437a855815bc25f005b55d3d40", kill_on_drop: false }`
[INFO] [stdout] 73665942f46e22e483e0d42a5af5e07662cedd437a855815bc25f005b55d3d40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6374684a130cc10770c4991c82fb0e108deb2b999e7d2fa0e5bfbd4947df3648
[INFO] running `Command { std: "docker" "start" "-a" "6374684a130cc10770c4991c82fb0e108deb2b999e7d2fa0e5bfbd4947df3648", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn as_base(&self) -> &ArgWithDisplay<'b, 'c>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn as_base(&self) -> &ArgWithDisplay<'b, 'c> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:54:61
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn as_arg_trait<'a, 'b, T: ArgWithOrder<'a, 'b>>(x: &T) -> &ArgWithOrder<'a, 'b> {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |     writer: &'a mut Write,
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |         w: &'a mut Write,
[INFO] [stdout]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:141:38
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn write_app_help(w: &'a mut Write, app: &App, use_long: bool) -> ClapResult<()> {
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:148:41
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn write_parser_help(w: &'a mut Write, parser: &Parser, use_long: bool) -> ClapResult<()> {
[INFO] [stdout]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:156:51
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn write_parser_help_to_stderr(w: &'a mut Write, parser: &Parser) -> ClapResult<()> {
[INFO] [stdout]     |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |         w: &'a mut Write,
[INFO] [stdout]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:208:32
[INFO] [stdout]     |
[INFO] [stdout] 208 |         I: Iterator<Item = &'d ArgWithOrder<'b, 'c>>,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:236:32
[INFO] [stdout]     |
[INFO] [stdout] 236 |         I: Iterator<Item = &'d ArgWithOrder<'b, 'c>>,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:273:43
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn write_arg<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:283:39
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn short<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:296:38
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn long<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:325:37
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn val<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> Result<String, io::Error> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:453:38
[INFO] [stdout]     |
[INFO] [stdout] 453 |     fn help<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>, spec_vals: &str) -> io::Result<()> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:511:29
[INFO] [stdout]     |
[INFO] [stdout] 511 |     fn spec_vals(&self, a: &ArgWithDisplay) -> String {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:579:42
[INFO] [stdout]     |
[INFO] [stdout] 579 | fn should_show_arg(use_long: bool, arg: &ArgWithOrder) -> bool {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 | /                 (self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stdout] 150 | |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stdout] 151 | |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stdout] 152 | |                     || self.groups.iter().any(|g| &g.name == arg))
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stdout] 150 |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stdout] 151 |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stdout] 152 |                     || self.groups.iter().any(|g| &g.name == arg)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (self.positionals.len() + 1)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 (self.positionals.len() + 1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:334:17
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 (self.positionals.len() + 1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:842:17
[INFO] [stdout]     |
[INFO] [stdout] 842 |                 (o.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:850:17
[INFO] [stdout]     |
[INFO] [stdout] 850 |                 (p.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/parser.rs:964:39
[INFO] [stdout]     |
[INFO] [stdout] 964 |                         let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stdout]     |                                       ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/macros.rs:970:63
[INFO] [stdout]      |
[INFO] [stdout] 970  |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: src/app/parser.rs:1110:39
[INFO] [stdout]      |
[INFO] [stdout] 1110 |                         let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stdout]      |                                       ------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/macros.rs:970:63
[INFO] [stdout]      |
[INFO] [stdout] 970  |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: src/app/parser.rs:1238:27
[INFO] [stdout]      |
[INFO] [stdout] 1238 |             let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stdout]      |                           ------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/app/parser.rs:2168:55
[INFO] [stdout]      |
[INFO] [stdout] 2168 |     pub fn find_any_arg(&self, name: &str) -> Option<&AnyArg<'a, 'b>> {
[INFO] [stdout]      |                                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/validator.rs:214:32
[INFO] [stdout]     |
[INFO] [stdout] 214 |             if let Some(arg) = find_any_by_name!(self.0, name) {
[INFO] [stdout]     |                                ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/validator.rs:231:39
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     if let Some(bl) = find_any_by_name!(self.0, *arg).unwrap().blacklist() {
[INFO] [stdout]     |                                       ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/validator.rs:364:25
[INFO] [stdout]     |
[INFO] [stdout] 364 |                         (ma.vals.len() % num as usize)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/validator.rs:467:37
[INFO] [stdout]     |
[INFO] [stdout] 467 |             } else if let Some(a) = find_any_by_name!(self.0, *name) {
[INFO] [stdout]     |                                     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/validator.rs:508:42
[INFO] [stdout]     |
[INFO] [stdout] 508 |     fn validate_arg_conflicts(&self, a: &AnyArg, matcher: &ArgMatcher) -> Option<bool> {
[INFO] [stdout]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/validator.rs:523:44
[INFO] [stdout]     |
[INFO] [stdout] 523 |     fn validate_required_unless(&self, a: &AnyArg, matcher: &ArgMatcher) -> Option<bool> {
[INFO] [stdout]     |                                            ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/validator.rs:578:42
[INFO] [stdout]     |
[INFO] [stdout] 578 |     fn is_missing_required_ok(&self, a: &AnyArg, matcher: &ArgMatcher) -> bool {
[INFO] [stdout]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/app/mod.rs:1844:39
[INFO] [stdout]      |
[INFO] [stdout] 1844 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/app/mod.rs:1847:42
[INFO] [stdout]      |
[INFO] [stdout] 1847 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>>;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:89:39
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:92:42
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/flag.rs:103:39
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/flag.rs:106:42
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/option.rs:156:39
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/option.rs:159:42
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/positional.rs:177:39
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/positional.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_builder/valued.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub validator: Option<Rc<Fn(String) -> Result<(), String>>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_builder/valued.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub validator_os: Option<Rc<Fn(&OsStr) -> Result<(), OsString>>>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_matcher.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |         a: Option<&AnyArg<'a, 'b>>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_matcher.rs:75:60
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn handle_self_overrides<'b>(&mut self, a: Option<&AnyArg<'a, 'b>>) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:412:15
[INFO] [stdout]     |
[INFO] [stdout] 412 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:450:33
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn empty_value<U>(arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stdout]     |                                 ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:478:15
[INFO] [stdout]     |
[INFO] [stdout] 478 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:663:48
[INFO] [stdout]     |
[INFO] [stdout] 663 |     pub fn too_many_values<V, U>(val: V, arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stdout]     |                                                ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:692:15
[INFO] [stdout]     |
[INFO] [stdout] 692 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:725:42
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn value_validation(arg: Option<&AnyArg>, err: String, color: ColorWhen) -> Self {
[INFO] [stdout]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:748:24
[INFO] [stdout]     |
[INFO] [stdout] 748 |         let n: Option<&AnyArg> = None;
[INFO] [stdout]     |                        ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:754:15
[INFO] [stdout]     |
[INFO] [stdout] 754 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:789:47
[INFO] [stdout]     |
[INFO] [stdout] 789 |     pub fn unexpected_multiple_usage<U>(arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stdout]     |                                               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]   --> src/app/parser.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |             .trim_left_matches(|c| c == '-')
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]    --> src/app/parser.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |             .trim_left_matches(|c| c == '-')
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/app/parser.rs:138:75
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Err(why) => panic!("couldn't create completion file: {}", why.description()),
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]    --> src/args/arg.rs:337:35
[INFO] [stdout]     |
[INFO] [stdout] 337 |         self.s.short = s.as_ref().trim_left_matches(|c| c == '-').chars().nth(0);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]    --> src/args/arg.rs:377:30
[INFO] [stdout]     |
[INFO] [stdout] 377 |         self.s.long = Some(l.trim_left_matches(|c| c == '-'));
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/errors.rs:852:60
[INFO] [stdout]     |
[INFO] [stdout] 852 |             message: format!("{} {}", c.error("error:"), e.description()),
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/errors.rs:910:35
[INFO] [stdout]     |
[INFO] [stdout] 910 |         Error::with_description(e.description(), ErrorKind::Io)
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/errors.rs:916:35
[INFO] [stdout]     |
[INFO] [stdout] 916 |         Error::with_description(e.description(), ErrorKind::Format)
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.33s
[INFO] running `Command { std: "docker" "inspect" "6374684a130cc10770c4991c82fb0e108deb2b999e7d2fa0e5bfbd4947df3648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6374684a130cc10770c4991c82fb0e108deb2b999e7d2fa0e5bfbd4947df3648", kill_on_drop: false }`
[INFO] [stdout] 6374684a130cc10770c4991c82fb0e108deb2b999e7d2fa0e5bfbd4947df3648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fea557bce3c52806a4a019dc1732e30a2bf222d27aa08f8badc4895540f48b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3fea557bce3c52806a4a019dc1732e30a2bf222d27aa08f8badc4895540f48b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn as_base(&self) -> &ArgWithDisplay<'b, 'c>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn as_base(&self) -> &ArgWithDisplay<'b, 'c> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:54:61
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn as_arg_trait<'a, 'b, T: ArgWithOrder<'a, 'b>>(x: &T) -> &ArgWithOrder<'a, 'b> {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |     writer: &'a mut Write,
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |         w: &'a mut Write,
[INFO] [stdout]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:141:38
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn write_app_help(w: &'a mut Write, app: &App, use_long: bool) -> ClapResult<()> {
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:148:41
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn write_parser_help(w: &'a mut Write, parser: &Parser, use_long: bool) -> ClapResult<()> {
[INFO] [stdout]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:156:51
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn write_parser_help_to_stderr(w: &'a mut Write, parser: &Parser) -> ClapResult<()> {
[INFO] [stdout]     |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |         w: &'a mut Write,
[INFO] [stdout]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:208:32
[INFO] [stdout]     |
[INFO] [stdout] 208 |         I: Iterator<Item = &'d ArgWithOrder<'b, 'c>>,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:236:32
[INFO] [stdout]     |
[INFO] [stdout] 236 |         I: Iterator<Item = &'d ArgWithOrder<'b, 'c>>,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:273:43
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn write_arg<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:283:39
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn short<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:296:38
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn long<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:325:37
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn val<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> Result<String, io::Error> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:453:38
[INFO] [stdout]     |
[INFO] [stdout] 453 |     fn help<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>, spec_vals: &str) -> io::Result<()> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:511:29
[INFO] [stdout]     |
[INFO] [stdout] 511 |     fn spec_vals(&self, a: &ArgWithDisplay) -> String {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:579:42
[INFO] [stdout]     |
[INFO] [stdout] 579 | fn should_show_arg(use_long: bool, arg: &ArgWithOrder) -> bool {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 | /                 (self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stdout] 150 | |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stdout] 151 | |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stdout] 152 | |                     || self.groups.iter().any(|g| &g.name == arg))
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stdout] 150 |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stdout] 151 |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stdout] 152 |                     || self.groups.iter().any(|g| &g.name == arg)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (self.positionals.len() + 1)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 (self.positionals.len() + 1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:334:17
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 (self.positionals.len() + 1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:842:17
[INFO] [stdout]     |
[INFO] [stdout] 842 |                 (o.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:850:17
[INFO] [stdout]     |
[INFO] [stdout] 850 |                 (p.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/parser.rs:964:39
[INFO] [stdout]     |
[INFO] [stdout] 964 |                         let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stdout]     |                                       ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/macros.rs:970:63
[INFO] [stdout]      |
[INFO] [stdout] 970  |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: src/app/parser.rs:1110:39
[INFO] [stdout]      |
[INFO] [stdout] 1110 |                         let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stdout]      |                                       ------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/macros.rs:970:63
[INFO] [stdout]      |
[INFO] [stdout] 970  |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: src/app/parser.rs:1238:27
[INFO] [stdout]      |
[INFO] [stdout] 1238 |             let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stdout]      |                           ------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/app/parser.rs:2168:55
[INFO] [stdout]      |
[INFO] [stdout] 2168 |     pub fn find_any_arg(&self, name: &str) -> Option<&AnyArg<'a, 'b>> {
[INFO] [stdout]      |                                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/validator.rs:214:32
[INFO] [stdout]     |
[INFO] [stdout] 214 |             if let Some(arg) = find_any_by_name!(self.0, name) {
[INFO] [stdout]     |                                ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/validator.rs:231:39
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     if let Some(bl) = find_any_by_name!(self.0, *arg).unwrap().blacklist() {
[INFO] [stdout]     |                                       ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/validator.rs:364:25
[INFO] [stdout]     |
[INFO] [stdout] 364 |                         (ma.vals.len() % num as usize)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/validator.rs:467:37
[INFO] [stdout]     |
[INFO] [stdout] 467 |             } else if let Some(a) = find_any_by_name!(self.0, *name) {
[INFO] [stdout]     |                                     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/validator.rs:508:42
[INFO] [stdout]     |
[INFO] [stdout] 508 |     fn validate_arg_conflicts(&self, a: &AnyArg, matcher: &ArgMatcher) -> Option<bool> {
[INFO] [stdout]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/validator.rs:523:44
[INFO] [stdout]     |
[INFO] [stdout] 523 |     fn validate_required_unless(&self, a: &AnyArg, matcher: &ArgMatcher) -> Option<bool> {
[INFO] [stdout]     |                                            ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/validator.rs:578:42
[INFO] [stdout]     |
[INFO] [stdout] 578 |     fn is_missing_required_ok(&self, a: &AnyArg, matcher: &ArgMatcher) -> bool {
[INFO] [stdout]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/app/mod.rs:1844:39
[INFO] [stdout]      |
[INFO] [stdout] 1844 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/app/mod.rs:1847:42
[INFO] [stdout]      |
[INFO] [stdout] 1847 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>>;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:89:39
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:92:42
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/flag.rs:103:39
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/flag.rs:106:42
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/option.rs:156:39
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/option.rs:159:42
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/positional.rs:177:39
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/positional.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_builder/valued.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub validator: Option<Rc<Fn(String) -> Result<(), String>>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_builder/valued.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub validator_os: Option<Rc<Fn(&OsStr) -> Result<(), OsString>>>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_matcher.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |         a: Option<&AnyArg<'a, 'b>>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_matcher.rs:75:60
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn handle_self_overrides<'b>(&mut self, a: Option<&AnyArg<'a, 'b>>) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:412:15
[INFO] [stdout]     |
[INFO] [stdout] 412 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:450:33
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn empty_value<U>(arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stdout]     |                                 ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:478:15
[INFO] [stdout]     |
[INFO] [stdout] 478 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:663:48
[INFO] [stdout]     |
[INFO] [stdout] 663 |     pub fn too_many_values<V, U>(val: V, arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stdout]     |                                                ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:692:15
[INFO] [stdout]     |
[INFO] [stdout] 692 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:725:42
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn value_validation(arg: Option<&AnyArg>, err: String, color: ColorWhen) -> Self {
[INFO] [stdout]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:748:24
[INFO] [stdout]     |
[INFO] [stdout] 748 |         let n: Option<&AnyArg> = None;
[INFO] [stdout]     |                        ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:754:15
[INFO] [stdout]     |
[INFO] [stdout] 754 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:789:47
[INFO] [stdout]     |
[INFO] [stdout] 789 |     pub fn unexpected_multiple_usage<U>(arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stdout]     |                                               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]   --> src/app/parser.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |             .trim_left_matches(|c| c == '-')
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]    --> src/app/parser.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |             .trim_left_matches(|c| c == '-')
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/app/parser.rs:138:75
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Err(why) => panic!("couldn't create completion file: {}", why.description()),
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]    --> src/args/arg.rs:337:35
[INFO] [stdout]     |
[INFO] [stdout] 337 |         self.s.short = s.as_ref().trim_left_matches(|c| c == '-').chars().nth(0);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]    --> src/args/arg.rs:377:30
[INFO] [stdout]     |
[INFO] [stdout] 377 |         self.s.long = Some(l.trim_left_matches(|c| c == '-'));
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/errors.rs:852:60
[INFO] [stdout]     |
[INFO] [stdout] 852 |             message: format!("{} {}", c.error("error:"), e.description()),
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/errors.rs:910:35
[INFO] [stdout]     |
[INFO] [stdout] 910 |         Error::with_description(e.description(), ErrorKind::Io)
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/errors.rs:916:35
[INFO] [stdout]     |
[INFO] [stdout] 916 |         Error::with_description(e.description(), ErrorKind::Format)
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling clap v2.33.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn as_base(&self) -> &ArgWithDisplay<'b, 'c>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn as_base(&self) -> &ArgWithDisplay<'b, 'c> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:54:61
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn as_arg_trait<'a, 'b, T: ArgWithOrder<'a, 'b>>(x: &T) -> &ArgWithOrder<'a, 'b> {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app/help.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |     writer: &'a mut Write,
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |         w: &'a mut Write,
[INFO] [stdout]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:141:38
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn write_app_help(w: &'a mut Write, app: &App, use_long: bool) -> ClapResult<()> {
[INFO] [stdout]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:148:41
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn write_parser_help(w: &'a mut Write, parser: &Parser, use_long: bool) -> ClapResult<()> {
[INFO] [stdout]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:156:51
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn write_parser_help_to_stderr(w: &'a mut Write, parser: &Parser) -> ClapResult<()> {
[INFO] [stdout]     |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |         w: &'a mut Write,
[INFO] [stdout]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:208:32
[INFO] [stdout]     |
[INFO] [stdout] 208 |         I: Iterator<Item = &'d ArgWithOrder<'b, 'c>>,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:236:32
[INFO] [stdout]     |
[INFO] [stdout] 236 |         I: Iterator<Item = &'d ArgWithOrder<'b, 'c>>,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:273:43
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn write_arg<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:283:39
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn short<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:296:38
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn long<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:325:37
[INFO] [stdout]     |
[INFO] [stdout] 325 |     fn val<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> Result<String, io::Error> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:453:38
[INFO] [stdout]     |
[INFO] [stdout] 453 |     fn help<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>, spec_vals: &str) -> io::Result<()> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:511:29
[INFO] [stdout]     |
[INFO] [stdout] 511 |     fn spec_vals(&self, a: &ArgWithDisplay) -> String {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/help.rs:579:42
[INFO] [stdout]     |
[INFO] [stdout] 579 | fn should_show_arg(use_long: bool, arg: &ArgWithOrder) -> bool {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 | /                 (self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stdout] 150 | |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stdout] 151 | |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stdout] 152 | |                     || self.groups.iter().any(|g| &g.name == arg))
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stdout] 150 |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stdout] 151 |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stdout] 152 |                     || self.groups.iter().any(|g| &g.name == arg)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (self.positionals.len() + 1)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 (self.positionals.len() + 1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:334:17
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 (self.positionals.len() + 1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:842:17
[INFO] [stdout]     |
[INFO] [stdout] 842 |                 (o.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:850:17
[INFO] [stdout]     |
[INFO] [stdout] 850 |                 (p.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/parser.rs:964:39
[INFO] [stdout]     |
[INFO] [stdout] 964 |                         let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stdout]     |                                       ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/macros.rs:970:63
[INFO] [stdout]      |
[INFO] [stdout] 970  |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: src/app/parser.rs:1110:39
[INFO] [stdout]      |
[INFO] [stdout] 1110 |                         let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stdout]      |                                       ------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/macros.rs:970:63
[INFO] [stdout]      |
[INFO] [stdout] 970  |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: src/app/parser.rs:1238:27
[INFO] [stdout]      |
[INFO] [stdout] 1238 |             let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stdout]      |                           ------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/app/parser.rs:2168:55
[INFO] [stdout]      |
[INFO] [stdout] 2168 |     pub fn find_any_arg(&self, name: &str) -> Option<&AnyArg<'a, 'b>> {
[INFO] [stdout]      |                                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/validator.rs:214:32
[INFO] [stdout]     |
[INFO] [stdout] 214 |             if let Some(arg) = find_any_by_name!(self.0, name) {
[INFO] [stdout]     |                                ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/validator.rs:231:39
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     if let Some(bl) = find_any_by_name!(self.0, *arg).unwrap().blacklist() {
[INFO] [stdout]     |                                       ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/validator.rs:364:25
[INFO] [stdout]     |
[INFO] [stdout] 364 |                         (ma.vals.len() % num as usize)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/macros.rs:970:63
[INFO] [stdout]     |
[INFO] [stdout] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/app/validator.rs:467:37
[INFO] [stdout]     |
[INFO] [stdout] 467 |             } else if let Some(a) = find_any_by_name!(self.0, *name) {
[INFO] [stdout]     |                                     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/validator.rs:508:42
[INFO] [stdout]     |
[INFO] [stdout] 508 |     fn validate_arg_conflicts(&self, a: &AnyArg, matcher: &ArgMatcher) -> Option<bool> {
[INFO] [stdout]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/validator.rs:523:44
[INFO] [stdout]     |
[INFO] [stdout] 523 |     fn validate_required_unless(&self, a: &AnyArg, matcher: &ArgMatcher) -> Option<bool> {
[INFO] [stdout]     |                                            ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app/validator.rs:578:42
[INFO] [stdout]     |
[INFO] [stdout] 578 |     fn is_missing_required_ok(&self, a: &AnyArg, matcher: &ArgMatcher) -> bool {
[INFO] [stdout]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/app/mod.rs:1844:39
[INFO] [stdout]      |
[INFO] [stdout] 1844 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/app/mod.rs:1847:42
[INFO] [stdout]      |
[INFO] [stdout] 1847 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:26:39
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>>;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:89:39
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/any_arg.rs:92:42
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/flag.rs:103:39
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/flag.rs:106:42
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/option.rs:156:39
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/option.rs:159:42
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/positional.rs:177:39
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/args/arg_builder/positional.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_builder/valued.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub validator: Option<Rc<Fn(String) -> Result<(), String>>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_builder/valued.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub validator_os: Option<Rc<Fn(&OsStr) -> Result<(), OsString>>>,
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_matcher.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |         a: Option<&AnyArg<'a, 'b>>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/args/arg_matcher.rs:75:60
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn handle_self_overrides<'b>(&mut self, a: Option<&AnyArg<'a, 'b>>) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:412:15
[INFO] [stdout]     |
[INFO] [stdout] 412 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:450:33
[INFO] [stdout]     |
[INFO] [stdout] 450 |     pub fn empty_value<U>(arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stdout]     |                                 ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:478:15
[INFO] [stdout]     |
[INFO] [stdout] 478 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:663:48
[INFO] [stdout]     |
[INFO] [stdout] 663 |     pub fn too_many_values<V, U>(val: V, arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stdout]     |                                                ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:692:15
[INFO] [stdout]     |
[INFO] [stdout] 692 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:725:42
[INFO] [stdout]     |
[INFO] [stdout] 725 |     pub fn value_validation(arg: Option<&AnyArg>, err: String, color: ColorWhen) -> Self {
[INFO] [stdout]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:748:24
[INFO] [stdout]     |
[INFO] [stdout] 748 |         let n: Option<&AnyArg> = None;
[INFO] [stdout]     |                        ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:754:15
[INFO] [stdout]     |
[INFO] [stdout] 754 |         arg: &AnyArg,
[INFO] [stdout]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:789:47
[INFO] [stdout]     |
[INFO] [stdout] 789 |     pub fn unexpected_multiple_usage<U>(arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stdout]     |                                               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]   --> src/app/parser.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |             .trim_left_matches(|c| c == '-')
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]    --> src/app/parser.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |             .trim_left_matches(|c| c == '-')
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/app/parser.rs:138:75
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Err(why) => panic!("couldn't create completion file: {}", why.description()),
[INFO] [stdout]     |                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]    --> src/args/arg.rs:337:35
[INFO] [stdout]     |
[INFO] [stdout] 337 |         self.s.short = s.as_ref().trim_left_matches(|c| c == '-').chars().nth(0);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stdout]    --> src/args/arg.rs:377:30
[INFO] [stdout]     |
[INFO] [stdout] 377 |         self.s.long = Some(l.trim_left_matches(|c| c == '-'));
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/errors.rs:852:60
[INFO] [stdout]     |
[INFO] [stdout] 852 |             message: format!("{} {}", c.error("error:"), e.description()),
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/errors.rs:910:35
[INFO] [stdout]     |
[INFO] [stdout] 910 |         Error::with_description(e.description(), ErrorKind::Io)
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/errors.rs:916:35
[INFO] [stdout]     |
[INFO] [stdout] 916 |         Error::with_description(e.description(), ErrorKind::Format)
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 41.63s
[INFO] running `Command { std: "docker" "inspect" "3fea557bce3c52806a4a019dc1732e30a2bf222d27aa08f8badc4895540f48b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fea557bce3c52806a4a019dc1732e30a2bf222d27aa08f8badc4895540f48b6", kill_on_drop: false }`
[INFO] [stdout] 3fea557bce3c52806a4a019dc1732e30a2bf222d27aa08f8badc4895540f48b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 602305c075ecd9defbb20e97201a3015c1a1d6a4850e4ea4fbaf97fb2444d1e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "602305c075ecd9defbb20e97201a3015c1a1d6a4850e4ea4fbaf97fb2444d1e6", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app/help.rs:43:27
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn as_base(&self) -> &ArgWithDisplay<'b, 'c>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app/help.rs:49:27
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn as_base(&self) -> &ArgWithDisplay<'b, 'c> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app/help.rs:54:61
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn as_arg_trait<'a, 'b, T: ArgWithOrder<'a, 'b>>(x: &T) -> &ArgWithOrder<'a, 'b> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'a, 'b>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app/help.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |     writer: &'a mut Write,
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:101:20
[INFO] [stderr]     |
[INFO] [stderr] 101 |         w: &'a mut Write,
[INFO] [stderr]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:141:38
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn write_app_help(w: &'a mut Write, app: &App, use_long: bool) -> ClapResult<()> {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:148:41
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn write_parser_help(w: &'a mut Write, parser: &Parser, use_long: bool) -> ClapResult<()> {
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:156:51
[INFO] [stderr]     |
[INFO] [stderr] 156 |     pub fn write_parser_help_to_stderr(w: &'a mut Write, parser: &Parser) -> ClapResult<()> {
[INFO] [stderr]     |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:163:20
[INFO] [stderr]     |
[INFO] [stderr] 163 |         w: &'a mut Write,
[INFO] [stderr]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:208:32
[INFO] [stderr]     |
[INFO] [stderr] 208 |         I: Iterator<Item = &'d ArgWithOrder<'b, 'c>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:236:32
[INFO] [stderr]     |
[INFO] [stderr] 236 |         I: Iterator<Item = &'d ArgWithOrder<'b, 'c>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:273:43
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn write_arg<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:283:39
[INFO] [stderr]     |
[INFO] [stderr] 283 |     fn short<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:296:38
[INFO] [stderr]     |
[INFO] [stderr] 296 |     fn long<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:325:37
[INFO] [stderr]     |
[INFO] [stderr] 325 |     fn val<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> Result<String, io::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:453:38
[INFO] [stderr]     |
[INFO] [stderr] 453 |     fn help<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>, spec_vals: &str) -> io::Result<()> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:511:29
[INFO] [stderr]     |
[INFO] [stderr] 511 |     fn spec_vals(&self, a: &ArgWithDisplay) -> String {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:579:42
[INFO] [stderr]     |
[INFO] [stderr] 579 | fn should_show_arg(use_long: bool, arg: &ArgWithOrder) -> bool {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 | /                 (self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stderr] 150 | |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stderr] 151 | |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stderr] 152 | |                     || self.groups.iter().any(|g| &g.name == arg))
[INFO] [stderr]     | |__________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stderr] 150 |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stderr] 151 |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stderr] 152 |                     || self.groups.iter().any(|g| &g.name == arg)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             (self.positionals.len() + 1)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:309:17
[INFO] [stderr]     |
[INFO] [stderr] 309 |                 (self.positionals.len() + 1)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:334:17
[INFO] [stderr]     |
[INFO] [stderr] 334 |                 (self.positionals.len() + 1)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:842:17
[INFO] [stderr]     |
[INFO] [stderr] 842 |                 (o.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:850:17
[INFO] [stderr]     |
[INFO] [stderr] 850 |                 (p.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/macros.rs:970:63
[INFO] [stderr]     |
[INFO] [stderr] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/app/parser.rs:964:39
[INFO] [stderr]     |
[INFO] [stderr] 964 |                         let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stderr]     |                                       ------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/macros.rs:970:63
[INFO] [stderr]      |
[INFO] [stderr] 970  |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/app/parser.rs:1110:39
[INFO] [stderr]      |
[INFO] [stderr] 1110 |                         let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stderr]      |                                       ------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/macros.rs:970:63
[INFO] [stderr]      |
[INFO] [stderr] 970  |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/app/parser.rs:1238:27
[INFO] [stderr]      |
[INFO] [stderr] 1238 |             let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stderr]      |                           ------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/app/parser.rs:2168:55
[INFO] [stderr]      |
[INFO] [stderr] 2168 |     pub fn find_any_arg(&self, name: &str) -> Option<&AnyArg<'a, 'b>> {
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/macros.rs:970:63
[INFO] [stderr]     |
[INFO] [stderr] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/app/validator.rs:214:32
[INFO] [stderr]     |
[INFO] [stderr] 214 |             if let Some(arg) = find_any_by_name!(self.0, name) {
[INFO] [stderr]     |                                ------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/macros.rs:970:63
[INFO] [stderr]     |
[INFO] [stderr] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/app/validator.rs:231:39
[INFO] [stderr]     |
[INFO] [stderr] 231 |                     if let Some(bl) = find_any_by_name!(self.0, *arg).unwrap().blacklist() {
[INFO] [stderr]     |                                       ------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/validator.rs:364:25
[INFO] [stderr]     |
[INFO] [stderr] 364 |                         (ma.vals.len() % num as usize)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/macros.rs:970:63
[INFO] [stderr]     |
[INFO] [stderr] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/app/validator.rs:467:37
[INFO] [stderr]     |
[INFO] [stderr] 467 |             } else if let Some(a) = find_any_by_name!(self.0, *name) {
[INFO] [stderr]     |                                     -------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/validator.rs:508:42
[INFO] [stderr]     |
[INFO] [stderr] 508 |     fn validate_arg_conflicts(&self, a: &AnyArg, matcher: &ArgMatcher) -> Option<bool> {
[INFO] [stderr]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/validator.rs:523:44
[INFO] [stderr]     |
[INFO] [stderr] 523 |     fn validate_required_unless(&self, a: &AnyArg, matcher: &ArgMatcher) -> Option<bool> {
[INFO] [stderr]     |                                            ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/validator.rs:578:42
[INFO] [stderr]     |
[INFO] [stderr] 578 |     fn is_missing_required_ok(&self, a: &AnyArg, matcher: &ArgMatcher) -> bool {
[INFO] [stderr]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/app/mod.rs:1844:39
[INFO] [stderr]      |
[INFO] [stderr] 1844 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/app/mod.rs:1847:42
[INFO] [stderr]      |
[INFO] [stderr] 1847 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/any_arg.rs:26:39
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>>;
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/any_arg.rs:27:42
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/any_arg.rs:89:39
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/any_arg.rs:92:42
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/flag.rs:103:39
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/flag.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/option.rs:156:39
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/option.rs:159:42
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/positional.rs:177:39
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/positional.rs:180:42
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/arg_builder/valued.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub validator: Option<Rc<Fn(String) -> Result<(), String>>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/arg_builder/valued.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub validator_os: Option<Rc<Fn(&OsStr) -> Result<(), OsString>>>,
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/arg_matcher.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |         a: Option<&AnyArg<'a, 'b>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/arg_matcher.rs:75:60
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn handle_self_overrides<'b>(&mut self, a: Option<&AnyArg<'a, 'b>>) {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:412:15
[INFO] [stderr]     |
[INFO] [stderr] 412 |         arg: &AnyArg,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:450:33
[INFO] [stderr]     |
[INFO] [stderr] 450 |     pub fn empty_value<U>(arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stderr]     |                                 ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:478:15
[INFO] [stderr]     |
[INFO] [stderr] 478 |         arg: &AnyArg,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:663:48
[INFO] [stderr]     |
[INFO] [stderr] 663 |     pub fn too_many_values<V, U>(val: V, arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stderr]     |                                                ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:692:15
[INFO] [stderr]     |
[INFO] [stderr] 692 |         arg: &AnyArg,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:725:42
[INFO] [stderr]     |
[INFO] [stderr] 725 |     pub fn value_validation(arg: Option<&AnyArg>, err: String, color: ColorWhen) -> Self {
[INFO] [stderr]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:748:24
[INFO] [stderr]     |
[INFO] [stderr] 748 |         let n: Option<&AnyArg> = None;
[INFO] [stderr]     |                        ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:754:15
[INFO] [stderr]     |
[INFO] [stderr] 754 |         arg: &AnyArg,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:789:47
[INFO] [stderr]     |
[INFO] [stderr] 789 |     pub fn unexpected_multiple_usage<U>(arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stderr]     |                                               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/app/parser.rs:96:14
[INFO] [stderr]    |
[INFO] [stderr] 96 |             .trim_left_matches(|c| c == '-')
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/app/parser.rs:105:14
[INFO] [stderr]     |
[INFO] [stderr] 105 |             .trim_left_matches(|c| c == '-')
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/app/parser.rs:138:75
[INFO] [stderr]     |
[INFO] [stderr] 138 |             Err(why) => panic!("couldn't create completion file: {}", why.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/args/arg.rs:337:35
[INFO] [stderr]     |
[INFO] [stderr] 337 |         self.s.short = s.as_ref().trim_left_matches(|c| c == '-').chars().nth(0);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/args/arg.rs:377:30
[INFO] [stderr]     |
[INFO] [stderr] 377 |         self.s.long = Some(l.trim_left_matches(|c| c == '-'));
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:852:60
[INFO] [stderr]     |
[INFO] [stderr] 852 |             message: format!("{} {}", c.error("error:"), e.description()),
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:910:35
[INFO] [stderr]     |
[INFO] [stderr] 910 |         Error::with_description(e.description(), ErrorKind::Io)
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:916:35
[INFO] [stderr]     |
[INFO] [stderr] 916 |         Error::with_description(e.description(), ErrorKind::Format)
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 68 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 88 tests
[INFO] [stderr]   --> src/app/help.rs:43:27
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn as_base(&self) -> &ArgWithDisplay<'b, 'c>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app/help.rs:49:27
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn as_base(&self) -> &ArgWithDisplay<'b, 'c> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app/help.rs:54:61
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn as_arg_trait<'a, 'b, T: ArgWithOrder<'a, 'b>>(x: &T) -> &ArgWithOrder<'a, 'b> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'a, 'b>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app/help.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |     writer: &'a mut Write,
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:101:20
[INFO] [stderr]     |
[INFO] [stderr] 101 |         w: &'a mut Write,
[INFO] [stderr]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:141:38
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn write_app_help(w: &'a mut Write, app: &App, use_long: bool) -> ClapResult<()> {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:148:41
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn write_parser_help(w: &'a mut Write, parser: &Parser, use_long: bool) -> ClapResult<()> {
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:156:51
[INFO] [stderr]     |
[INFO] [stderr] 156 |     pub fn write_parser_help_to_stderr(w: &'a mut Write, parser: &Parser) -> ClapResult<()> {
[INFO] [stderr]     |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:163:20
[INFO] [stderr]     |
[INFO] [stderr] 163 |         w: &'a mut Write,
[INFO] [stderr]     |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:208:32
[INFO] [stderr]     |
[INFO] [stderr] 208 |         I: Iterator<Item = &'d ArgWithOrder<'b, 'c>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:236:32
[INFO] [stderr]     |
[INFO] [stderr] 236 |         I: Iterator<Item = &'d ArgWithOrder<'b, 'c>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:273:43
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn write_arg<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:283:39
[INFO] [stderr]     |
[INFO] [stderr] 283 |     fn short<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:296:38
[INFO] [stderr]     |
[INFO] [stderr] 296 |     fn long<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> io::Result<()> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:325:37
[INFO] [stderr]     |
[INFO] [stderr] 325 |     fn val<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>) -> Result<String, io::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:453:38
[INFO] [stderr]     |
[INFO] [stderr] 453 |     fn help<'b, 'c>(&mut self, arg: &ArgWithDisplay<'b, 'c>, spec_vals: &str) -> io::Result<()> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay<'b, 'c>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:511:29
[INFO] [stderr]     |
[INFO] [stderr] 511 |     fn spec_vals(&self, a: &ArgWithDisplay) -> String {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithDisplay`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/help.rs:579:42
[INFO] [stderr]     |
[INFO] [stderr] 579 | fn should_show_arg(use_long: bool, arg: &ArgWithOrder) -> bool {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn ArgWithOrder`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 | /                 (self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stderr] 150 | |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stderr] 151 | |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stderr] 152 | |                     || self.groups.iter().any(|g| &g.name == arg))
[INFO] [stderr]     | |__________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stderr] 150 |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stderr] 151 |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stderr] 152 |                     || self.groups.iter().any(|g| &g.name == arg)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             (self.positionals.len() + 1)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:309:17
[INFO] [stderr]     |
[INFO] [stderr] 309 |                 (self.positionals.len() + 1)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:334:17
[INFO] [stderr]     |
[INFO] [stderr] 334 |                 (self.positionals.len() + 1)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:842:17
[INFO] [stderr]     |
[INFO] [stderr] 842 |                 (o.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/parser.rs:850:17
[INFO] [stderr]     |
[INFO] [stderr] 850 |                 (p.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/macros.rs:970:63
[INFO] [stderr]     |
[INFO] [stderr] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/app/parser.rs:964:39
[INFO] [stderr]     |
[INFO] [stderr] 964 |                         let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stderr]     |                                       ------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/macros.rs:970:63
[INFO] [stderr]      |
[INFO] [stderr] 970  |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/app/parser.rs:1110:39
[INFO] [stderr]      |
[INFO] [stderr] 1110 |                         let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stderr]      |                                       ------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/macros.rs:970:63
[INFO] [stderr]      |
[INFO] [stderr] 970  |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: src/app/parser.rs:1238:27
[INFO] [stderr]      |
[INFO] [stderr] 1238 |             let any_arg = find_any_by_name!(self, self.cache.unwrap_or(""));
[INFO] [stderr]      |                           ------------------------------------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/app/parser.rs:2168:55
[INFO] [stderr]      |
[INFO] [stderr] 2168 |     pub fn find_any_arg(&self, name: &str) -> Option<&AnyArg<'a, 'b>> {
[INFO] [stderr]      |                                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/macros.rs:970:63
[INFO] [stderr]     |
[INFO] [stderr] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/app/validator.rs:214:32
[INFO] [stderr]     |
[INFO] [stderr] 214 |             if let Some(arg) = find_any_by_name!(self.0, name) {
[INFO] [stderr]     |                                ------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/macros.rs:970:63
[INFO] [stderr]     |
[INFO] [stderr] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/app/validator.rs:231:39
[INFO] [stderr]     |
[INFO] [stderr] 231 |                     if let Some(bl) = find_any_by_name!(self.0, *arg).unwrap().blacklist() {
[INFO] [stderr]     |                                       ------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/app/validator.rs:364:25
[INFO] [stderr]     |
[INFO] [stderr] 364 |                         (ma.vals.len() % num as usize)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/macros.rs:970:63
[INFO] [stderr]     |
[INFO] [stderr] 970 |         fn as_trait_obj<'a, 'b, T: AnyArg<'a, 'b>>(x: &T) -> &AnyArg<'a, 'b> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/app/validator.rs:467:37
[INFO] [stderr]     |
[INFO] [stderr] 467 |             } else if let Some(a) = find_any_by_name!(self.0, *name) {
[INFO] [stderr]     |                                     -------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/validator.rs:508:42
[INFO] [stderr]     |
[INFO] [stderr] 508 |     fn validate_arg_conflicts(&self, a: &AnyArg, matcher: &ArgMatcher) -> Option<bool> {
[INFO] [stderr]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/validator.rs:523:44
[INFO] [stderr]     |
[INFO] [stderr] 523 |     fn validate_required_unless(&self, a: &AnyArg, matcher: &ArgMatcher) -> Option<bool> {
[INFO] [stderr]     |                                            ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app/validator.rs:578:42
[INFO] [stderr]     |
[INFO] [stderr] 578 |     fn is_missing_required_ok(&self, a: &AnyArg, matcher: &ArgMatcher) -> bool {
[INFO] [stderr]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/app/mod.rs:1844:39
[INFO] [stderr]      |
[INFO] [stderr] 1844 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stderr]      |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/app/mod.rs:1847:42
[INFO] [stderr]      |
[INFO] [stderr] 1847 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stderr]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/any_arg.rs:26:39
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>>;
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/any_arg.rs:27:42
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/any_arg.rs:89:39
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/any_arg.rs:92:42
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/flag.rs:103:39
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/flag.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/option.rs:156:39
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/option.rs:159:42
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/positional.rs:177:39
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn validator(&self) -> Option<&Rc<Fn(String) -> StdResult<(), String>>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> StdResult<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args/arg_builder/positional.rs:180:42
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> StdResult<(), OsString>>> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> StdResult<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/arg_builder/valued.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub validator: Option<Rc<Fn(String) -> Result<(), String>>>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(String) -> Result<(), String>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/arg_builder/valued.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub validator_os: Option<Rc<Fn(&OsStr) -> Result<(), OsString>>>,
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&OsStr) -> Result<(), OsString>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/arg_matcher.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |         a: Option<&AnyArg<'a, 'b>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/args/arg_matcher.rs:75:60
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn handle_self_overrides<'b>(&mut self, a: Option<&AnyArg<'a, 'b>>) {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^ help: use `dyn`: `dyn AnyArg<'a, 'b>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:412:15
[INFO] [stderr]     |
[INFO] [stderr] 412 |         arg: &AnyArg,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:450:33
[INFO] [stderr]     |
[INFO] [stderr] 450 |     pub fn empty_value<U>(arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stderr]     |                                 ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:478:15
[INFO] [stderr]     |
[INFO] [stderr] 478 |         arg: &AnyArg,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:663:48
[INFO] [stderr]     |
[INFO] [stderr] 663 |     pub fn too_many_values<V, U>(val: V, arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stderr]     |                                                ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:692:15
[INFO] [stderr]     |
[INFO] [stderr] 692 |         arg: &AnyArg,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:725:42
[INFO] [stderr]     |
[INFO] [stderr] 725 |     pub fn value_validation(arg: Option<&AnyArg>, err: String, color: ColorWhen) -> Self {
[INFO] [stderr]     |                                          ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:748:24
[INFO] [stderr]     |
[INFO] [stderr] 748 |         let n: Option<&AnyArg> = None;
[INFO] [stderr]     |                        ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:754:15
[INFO] [stderr]     |
[INFO] [stderr] 754 |         arg: &AnyArg,
[INFO] [stderr]     |               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:789:47
[INFO] [stderr]     |
[INFO] [stderr] 789 |     pub fn unexpected_multiple_usage<U>(arg: &AnyArg, usage: U, color: ColorWhen) -> Self
[INFO] [stderr]     |                                               ^^^^^^ help: use `dyn`: `dyn AnyArg`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/app/parser.rs:96:14
[INFO] [stderr]    |
[INFO] [stderr] 96 |             .trim_left_matches(|c| c == '-')
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/app/parser.rs:105:14
[INFO] [stderr]     |
[INFO] [stderr] 105 |             .trim_left_matches(|c| c == '-')
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/app/parser.rs:138:75
[INFO] [stderr]     |
[INFO] [stderr] 138 |             Err(why) => panic!("couldn't create completion file: {}", why.description()),
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/args/arg.rs:337:35
[INFO] [stderr]     |
[INFO] [stderr] 337 |         self.s.short = s.as_ref().trim_left_matches(|c| c == '-').chars().nth(0);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/args/arg.rs:377:30
[INFO] [stderr]     |
[INFO] [stderr] 377 |         self.s.long = Some(l.trim_left_matches(|c| c == '-'));
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:852:60
[INFO] [stderr]     |
[INFO] [stderr] 852 |             message: format!("{} {}", c.error("error:"), e.description()),
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:910:35
[INFO] [stderr]     |
[INFO] [stderr] 910 |         Error::with_description(e.description(), ErrorKind::Io)
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/errors.rs:916:35
[INFO] [stderr]     |
[INFO] [stderr] 916 |         Error::with_description(e.description(), ErrorKind::Format)
[INFO] [stderr]     |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 68 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/clap-c1cd73a60fda693e
[INFO] [stdout] test args::arg_builder::positional::test::display_val_names_req ... ok
[INFO] [stdout] test args::arg_builder::positional::test::display_val_names ... ok
[INFO] [stdout] test args::arg_builder::option::test::optbuilder_display2 ... ok
[INFO] [stdout] test args::arg_matches::tests::test_default_osvalues_with_shorter_lifetime ... ok
[INFO] [stdout] test args::arg_matches::tests::test_default_values ... ok
[INFO] [stdout] test args::arg_builder::positional::test::display_required ... ok
[INFO] [stdout] test args::arg_builder::positional::test::display_mult ... ok
[INFO] [stdout] test args::group::test::groups ... ok
[INFO] [stdout] test args::group::test::test_debug ... ok
[INFO] [stdout] test args::group::test::test_from ... ok
[INFO] [stdout] test args::settings::test::arg_settings_fromstr ... ok
[INFO] [stdout] test args::arg_matches::tests::test_default_values_with_shorter_lifetime ... ok
[INFO] [stdout] test fmt::test::colored_output ... ok
[INFO] [stdout] test usage_parser::test::create_flag_usage ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage2 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage4 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage5 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage6 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage7 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage8 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage9 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both1 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both2 ... ok
[INFO] [stdout] test args::arg_matches::tests::test_default_osvalues ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both3 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage3 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both4 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both5 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both8 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both_equals1 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both_equals2 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both_equals3 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both_equals4 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both_equals5 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both_equals6 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both_equals7 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both_equals8 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long1 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long10 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long2 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long3 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long4 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long5 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long6 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long7 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long8 ... ok
[INFO] [stdout] test args::arg_matches::tests::test_default_indices_with_shorter_lifetime ... ok
[INFO] [stdout] test args::arg_builder::flag::test::flagbuilder_display ... ok
[INFO] [stdout] test args::arg_builder::option::test::optbuilder_display_single_alias ... ok
[INFO] [stdout] test app::help::test::wrap_help_last_word ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage0 ... ok
[INFO] [stdout] test args::arg_builder::flag::test::flagbuilder_display_multiple_aliases ... ok
[INFO] [stdout] test args::arg_builder::flag::test::flagbuilder_display_single_alias ... ok
[INFO] [stdout] test args::arg_builder::option::test::optbuilder_display3 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage1 ... ok
[INFO] [stdout] test args::arg_builder::option::test::optbuilder_display_multiple_aliases ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long9 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both7 ... ok
[INFO] [stdout] test args::arg_matches::tests::test_default_indices ... ok
[INFO] [stdout] test args::arg_builder::option::test::optbuilder_display1 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_both6 ... ok
[INFO] [stdout] test app::settings::test::app_settings_fromstr ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long_equals9 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long_equals10 ... ok
[INFO] [stdout] test usage_parser::test::create_option_with_vals1 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long_equals4 ... ok
[INFO] [stdout] test usage_parser::test::create_option_with_vals5 ... ok
[INFO] [stdout] test usage_parser::test::create_positional_usage ... ok
[INFO] [stdout] test usage_parser::test::create_option_with_vals2 ... ok
[INFO] [stdout] test usage_parser::test::create_positional_usage0 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long_equals2 ... ok
[INFO] [stdout] test usage_parser::test::pos_help_lit_single_quote ... ok
[INFO] [stdout] test usage_parser::test::pos_help_double_lit_single_quote ... ok
[INFO] [stdout] test usage_parser::test::pos_help_newline ... ok
[INFO] [stdout] test usage_parser::test::pos_mult ... ok
[INFO] [stdout] test usage_parser::test::nonascii ... ok
[INFO] [stdout] test usage_parser::test::pos_req ... ok
[INFO] [stdout] test usage_parser::test::pos_help_newline_lit_sq ... ok
[INFO] [stdout] test usage_parser::test::pos_req_mult_help ... ok
[INFO] [stdout] test usage_parser::test::pos_mult_help ... ok
[INFO] [stderr]    Doc-tests clap
[INFO] [stdout] test usage_parser::test::create_option_usage_long_equals8 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long_equals6 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long_equals3 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long_equals1 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long_equals7 ... ok
[INFO] [stdout] test usage_parser::test::create_option_with_vals4 ... ok
[INFO] [stdout] test usage_parser::test::create_option_with_vals3 ... ok
[INFO] [stdout] test usage_parser::test::create_option_usage_long_equals5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 88 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/app/parser.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 | /                 (self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stderr] 150 | |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stderr] 151 | |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stderr] 152 | |                     || self.groups.iter().any(|g| &g.name == arg))
[INFO] [stderr]     | |__________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stderr] 150 |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stderr] 151 |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stderr] 152 |                     || self.groups.iter().any(|g| &g.name == arg)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/app/parser.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             (self.positionals.len() + 1)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/app/parser.rs:309:17
[INFO] [stderr]     |
[INFO] [stderr] 309 |                 (self.positionals.len() + 1)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/app/parser.rs:334:17
[INFO] [stderr]     |
[INFO] [stderr] 334 |                 (self.positionals.len() + 1)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/app/parser.rs:842:17
[INFO] [stderr]     |
[INFO] [stderr] 842 |                 (o.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/app/parser.rs:850:17
[INFO] [stderr]     |
[INFO] [stderr] 850 |                 (p.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/app/validator.rs:364:25
[INFO] [stderr]     |
[INFO] [stderr] 364 |                         (ma.vals.len() % num as usize)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 307 tests
[INFO] [stdout] test src/app/mod.rs - app::App::gen_completions (line 1346) ... ignored
[INFO] [stdout] test src/app/mod.rs - app::App::gen_completions (line 1370) ... ignored
[INFO] [stdout] test src/app/mod.rs - app::App::gen_completions_to (line 1412) ... ignored
[INFO] [stdout] test src/app/mod.rs - app::App::after_help (line 297) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::bin_name (line 203) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::about (line 226) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::arg (line 776) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::before_help (line 314) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App (line 43) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::author (line 179) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::arg_from_usage (line 827) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::get_matches_from (line 1502) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::args (line 802) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::args_from_usage (line 849) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::get_matches_from_safe (line 1552) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::get_matches (line 1452) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::alias (line 881) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::name (line 271) ... ignored
[INFO] [stdout] test src/app/mod.rs - app::App::global_setting (line 634) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::help (line 424) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::get_matches_safe (line 1473) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::help_short (line 464) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::groups (line 1023) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::global_settings (line 656) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::group (line 1000) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::new (line 75) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::help_message (line 510) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::get_matches_from_safe_borrow (line 1588) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::long_about (line 249) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::long_version (line 363) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::max_term_width (line 761) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::gen_completions (line 1324) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::setting (line 590) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::set_term_width (line 733) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::unset_settings (line 698) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::template (line 565) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::unset_setting (line 679) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::usage (line 399) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::settings (line 610) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::subcommand (line 1058) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::version (line 337) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::visible_aliases (line 959) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::with_defaults (line 101) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::version_message (line 529) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::version_short (line 490) ... ok
[INFO] [stdout] test src/app/mod.rs - app::App::visible_alias (line 935) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name clap -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' --cfg 'feature="strsim"' --cfg 'feature="atty"' --cfg 'feature="default"' --cfg 'feature="ansi_term"' --cfg 'feature="color"' --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-6ee0888209c67446.rlib --extern atty=/opt/rustwide/target/debug/deps/libatty-34073b1197b0e400.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-39f5b568568e6c52.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-f2802eb9139f41bf.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-120fb662e0df71fd.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-1587510507afafb9.rlib --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-d79a88843cc66be7.rlib --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-2f6940de55e47e19.rlib --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-71dd4c1e607168d3.rlib --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-3a672b8738547421.rlib --extern version_sync=/opt/rustwide/target/debug/deps/libversion_sync-20c5c1e36cfd8ae8.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "602305c075ecd9defbb20e97201a3015c1a1d6a4850e4ea4fbaf97fb2444d1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602305c075ecd9defbb20e97201a3015c1a1d6a4850e4ea4fbaf97fb2444d1e6", kill_on_drop: false }`
[INFO] [stdout] 602305c075ecd9defbb20e97201a3015c1a1d6a4850e4ea4fbaf97fb2444d1e6