[INFO] updating cached repository https://github.com/minijackson/set_eq
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 557074fb6dadf89ddbfce11d67fe8cac0f9eed80
[INFO] testing minijackson/set_eq against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminijackson%2Fset_eq" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minijackson/set_eq on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/minijackson/set_eq
[INFO] finished tweaking git repo https://github.com/minijackson/set_eq
[INFO] tweaked toml for git repo https://github.com/minijackson/set_eq written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/minijackson/set_eq already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9022fdfa9c2bd6a4430b8d91e9e26053a02a71eece4c8684489c24aaddeb39ac
[INFO] running `"docker" "start" "-a" "9022fdfa9c2bd6a4430b8d91e9e26053a02a71eece4c8684489c24aaddeb39ac"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]    Compiling structopt v0.3.7
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling set_eq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Manager".into(), &"RemoveProfile".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let name: &str = r#try!(i.read());
[INFO] [stderr]    |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         r#try!(d.remove_profile(name));
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 |         a.append(r#try!(d.get_interface_revision()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:81:18
[INFO] [stderr]    |
[INFO] [stderr] 81 |         a.append(r#try!(d.get_equalized_sinks()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:92:18
[INFO] [stderr]    |
[INFO] [stderr] 92 |         a.append(r#try!(d.get_profiles()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |         self.sink = r#try!(i.read());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:128:21
[INFO] [stderr]     |
[INFO] [stderr] 128 |         self.sink = r#try!(i.read());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Introspectable".into(), &"Introspect".into(), |_| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:160:28
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let data: String = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:177:20
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let data = r#try!(d.introspect());
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Get".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:206:57
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:211:21
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Set".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:222:21
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"GetAll".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:228:94
[INFO] [stderr]     |
[INFO] [stderr] 228 |         let props: ::std::collections::HashMap<String, arg::Variant<Box<dyn arg::RefArg>>> = r#try!(i.read());
[INFO] [stderr]     |                                                                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:245:36
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:246:35
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:248:21
[INFO] [stderr]     |
[INFO] [stderr] 248 |         let value = r#try!(d.get(interface_name, property_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:262:36
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:263:35
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:264:57
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:266:9
[INFO] [stderr]     |
[INFO] [stderr] 266 |         r#try!(d.set(interface_name, property_name, value));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:279:36
[INFO] [stderr]     |
[INFO] [stderr] 279 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:281:21
[INFO] [stderr]     |
[INFO] [stderr] 281 |         let props = r#try!(d.get_all(interface_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 37 |         a.append(r#try!(d.get_address()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Introspectable".into(), &"Introspect".into(), |_| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let data: String = r#try!(i.read());
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:74:20
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let data = r#try!(d.introspect());
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Get".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:103:57
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Set".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"GetAll".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:125:94
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let props: ::std::collections::HashMap<String, arg::Variant<Box<dyn arg::RefArg>>> = r#try!(i.read());
[INFO] [stderr]     |                                                                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:142:36
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:143:35
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:145:21
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let value = r#try!(d.get(interface_name, property_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:159:36
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:160:35
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:161:57
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         r#try!(d.set(interface_name, property_name, value));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:176:36
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:178:21
[INFO] [stderr]     |
[INFO] [stderr] 178 |         let props = r#try!(d.get_all(interface_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"FilterAtPoints".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SeedFilter".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SaveProfile".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:64:21
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"LoadProfile".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SetFilter".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"GetFilter".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:91:28
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:92:27
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SaveState".into(), |_| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"BaseProfile".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:110:28
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let name: String = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:148:28
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:149:28
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let xs: Vec<u32> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:151:28
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let (ys, preamp) = r#try!(d.filter_at_points(channel, xs));
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:167:28
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 168 |         let xs: Vec<u32> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:169:28
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:170:27
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         r#try!(d.seed_filter(channel, xs, ys, preamp));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:186:28
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:187:26
[INFO] [stderr]     |
[INFO] [stderr] 187 |         let name: &str = r#try!(i.read());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         r#try!(d.save_profile(channel, name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:201:28
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:202:26
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let name: &str = r#try!(i.read());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         r#try!(d.load_profile(channel, name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:216:28
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:218:27
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         r#try!(d.set_filter(channel, ys, preamp));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:233:28
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:235:28
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let (ys, preamp) = r#try!(d.get_filter(channel));
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         r#try!(d.save_state());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:260:28
[INFO] [stderr]     |
[INFO] [stderr] 260 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:262:20
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let name = r#try!(d.base_profile(channel));
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:278:18
[INFO] [stderr]     |
[INFO] [stderr] 278 |         a.append(r#try!(d.get_interface_revision()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:289:18
[INFO] [stderr]     |
[INFO] [stderr] 289 |         a.append(r#try!(d.get_sample_rate()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:300:18
[INFO] [stderr]     |
[INFO] [stderr] 300 |         a.append(r#try!(d.get_filter_sample_rate()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:311:18
[INFO] [stderr]     |
[INFO] [stderr] 311 |         a.append(r#try!(d.get_nfilter_coefficients()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:322:18
[INFO] [stderr]     |
[INFO] [stderr] 322 |         a.append(r#try!(d.get_nchannels()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:395:21
[INFO] [stderr]     |
[INFO] [stderr] 395 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Core1.Device".into(), &"Suspend".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:404:21
[INFO] [stderr]     |
[INFO] [stderr] 404 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Core1.Device".into(), &"GetPortByName".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:408:9
[INFO] [stderr]     |
[INFO] [stderr] 408 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:410:41
[INFO] [stderr]     |
[INFO] [stderr] 410 |         let port: dbus::Path<'static> = r#try!(i.read());
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:540:29
[INFO] [stderr]     |
[INFO] [stderr] 540 |         let suspend: bool = r#try!(i.read());
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:542:9
[INFO] [stderr]     |
[INFO] [stderr] 542 |         r#try!(d.suspend(suspend));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:553:26
[INFO] [stderr]     |
[INFO] [stderr] 553 |         let name: &str = r#try!(i.read());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:555:20
[INFO] [stderr]     |
[INFO] [stderr] 555 |         let port = r#try!(d.get_port_by_name(name));
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:571:18
[INFO] [stderr]     |
[INFO] [stderr] 571 |         a.append(r#try!(d.get_index()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:582:18
[INFO] [stderr]     |
[INFO] [stderr] 582 |         a.append(r#try!(d.get_name()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:593:18
[INFO] [stderr]     |
[INFO] [stderr] 593 |         a.append(r#try!(d.get_driver()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:604:18
[INFO] [stderr]     |
[INFO] [stderr] 604 |         a.append(r#try!(d.get_owner_module()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:615:18
[INFO] [stderr]     |
[INFO] [stderr] 615 |         a.append(r#try!(d.get_card()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:626:18
[INFO] [stderr]     |
[INFO] [stderr] 626 |         a.append(r#try!(d.get_sample_format()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:637:18
[INFO] [stderr]     |
[INFO] [stderr] 637 |         a.append(r#try!(d.get_sample_rate()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:648:18
[INFO] [stderr]     |
[INFO] [stderr] 648 |         a.append(r#try!(d.get_channels()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:659:18
[INFO] [stderr]     |
[INFO] [stderr] 659 |         a.append(r#try!(d.get_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:666:9
[INFO] [stderr]     |
[INFO] [stderr] 666 |         r#try!(d.set_volume(r#try!(iter.read())));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:666:29
[INFO] [stderr]     |
[INFO] [stderr] 666 |         r#try!(d.set_volume(r#try!(iter.read())));
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:677:18
[INFO] [stderr]     |
[INFO] [stderr] 677 |         a.append(r#try!(d.get_has_flat_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:688:18
[INFO] [stderr]     |
[INFO] [stderr] 688 |         a.append(r#try!(d.get_has_convertible_to_decibel_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:699:18
[INFO] [stderr]     |
[INFO] [stderr] 699 |         a.append(r#try!(d.get_base_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:710:18
[INFO] [stderr]     |
[INFO] [stderr] 710 |         a.append(r#try!(d.get_volume_steps()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:721:18
[INFO] [stderr]     |
[INFO] [stderr] 721 |         a.append(r#try!(d.get_mute()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:728:9
[INFO] [stderr]     |
[INFO] [stderr] 728 |         r#try!(d.set_mute(r#try!(iter.read())));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:728:27
[INFO] [stderr]     |
[INFO] [stderr] 728 |         r#try!(d.set_mute(r#try!(iter.read())));
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:739:18
[INFO] [stderr]     |
[INFO] [stderr] 739 |         a.append(r#try!(d.get_has_hardware_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:750:18
[INFO] [stderr]     |
[INFO] [stderr] 750 |         a.append(r#try!(d.get_has_hardware_mute()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:761:18
[INFO] [stderr]     |
[INFO] [stderr] 761 |         a.append(r#try!(d.get_configured_latency()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:772:18
[INFO] [stderr]     |
[INFO] [stderr] 772 |         a.append(r#try!(d.get_has_dynamic_latency()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:783:18
[INFO] [stderr]     |
[INFO] [stderr] 783 |         a.append(r#try!(d.get_latency()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:794:18
[INFO] [stderr]     |
[INFO] [stderr] 794 |         a.append(r#try!(d.get_is_hardware_device()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:805:18
[INFO] [stderr]     |
[INFO] [stderr] 805 |         a.append(r#try!(d.get_is_network_device()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:816:18
[INFO] [stderr]     |
[INFO] [stderr] 816 |         a.append(r#try!(d.get_state()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:827:18
[INFO] [stderr]     |
[INFO] [stderr] 827 |         a.append(r#try!(d.get_ports()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:838:18
[INFO] [stderr]     |
[INFO] [stderr] 838 |         a.append(r#try!(d.get_active_port()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:845:9
[INFO] [stderr]     |
[INFO] [stderr] 845 |         r#try!(d.set_active_port(r#try!(iter.read())));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:845:34
[INFO] [stderr]     |
[INFO] [stderr] 845 |         r#try!(d.set_active_port(r#try!(iter.read())));
[INFO] [stderr]     |                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:856:18
[INFO] [stderr]     |
[INFO] [stderr] 856 |         a.append(r#try!(d.get_property_list()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:875:23
[INFO] [stderr]     |
[INFO] [stderr] 875 |         self.volume = r#try!(i.read());
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:892:22
[INFO] [stderr]     |
[INFO] [stderr] 892 |         self.muted = r#try!(i.read());
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:909:22
[INFO] [stderr]     |
[INFO] [stderr] 909 |         self.state = r#try!(i.read());
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:926:21
[INFO] [stderr]     |
[INFO] [stderr] 926 |         self.port = r#try!(i.read());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:943:30
[INFO] [stderr]     |
[INFO] [stderr] 943 |         self.property_list = r#try!(i.read());
[INFO] [stderr]     |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:977:18
[INFO] [stderr]     |
[INFO] [stderr] 977 |         a.append(r#try!(d.get_monitor_source()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:993:21
[INFO] [stderr]     |
[INFO] [stderr] 993 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Introspectable".into(), &"Introspect".into(), |_| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:995:9
[INFO] [stderr]     |
[INFO] [stderr] 995 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:997:28
[INFO] [stderr]     |
[INFO] [stderr] 997 |         let data: String = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1014:20
[INFO] [stderr]      |
[INFO] [stderr] 1014 |         let data = r#try!(d.introspect());
[INFO] [stderr]      |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1036:21
[INFO] [stderr]      |
[INFO] [stderr] 1036 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Get".into(), |msg| {
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1041:9
[INFO] [stderr]      |
[INFO] [stderr] 1041 |         r#try!(m.as_result());
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1043:57
[INFO] [stderr]      |
[INFO] [stderr] 1043 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]      |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1048:21
[INFO] [stderr]      |
[INFO] [stderr] 1048 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Set".into(), |msg| {
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1054:9
[INFO] [stderr]      |
[INFO] [stderr] 1054 |         r#try!(m.as_result());
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1059:21
[INFO] [stderr]      |
[INFO] [stderr] 1059 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"GetAll".into(), |msg| {
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1063:9
[INFO] [stderr]      |
[INFO] [stderr] 1063 |         r#try!(m.as_result());
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1065:94
[INFO] [stderr]      |
[INFO] [stderr] 1065 |         let props: ::std::collections::HashMap<String, arg::Variant<Box<dyn arg::RefArg>>> = r#try!(i.read());
[INFO] [stderr]      |                                                                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1082:36
[INFO] [stderr]      |
[INFO] [stderr] 1082 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1083:35
[INFO] [stderr]      |
[INFO] [stderr] 1083 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1085:21
[INFO] [stderr]      |
[INFO] [stderr] 1085 |         let value = r#try!(d.get(interface_name, property_name));
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1099:36
[INFO] [stderr]      |
[INFO] [stderr] 1099 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1100:35
[INFO] [stderr]      |
[INFO] [stderr] 1100 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1101:57
[INFO] [stderr]      |
[INFO] [stderr] 1101 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]      |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1103:9
[INFO] [stderr]      |
[INFO] [stderr] 1103 |         r#try!(d.set(interface_name, property_name, value));
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1116:36
[INFO] [stderr]      |
[INFO] [stderr] 1116 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1118:21
[INFO] [stderr]      |
[INFO] [stderr] 1118 |         let props = r#try!(d.get_all(interface_name));
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1131:5
[INFO] [stderr]      |
[INFO] [stderr] 1131 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1157:5
[INFO] [stderr]      |
[INFO] [stderr] 1157 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1186:5
[INFO] [stderr]      |
[INFO] [stderr] 1186 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1197:5
[INFO] [stderr]      |
[INFO] [stderr] 1197 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1287:5
[INFO] [stderr]      |
[INFO] [stderr] 1287 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 173 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `"docker" "inspect" "9022fdfa9c2bd6a4430b8d91e9e26053a02a71eece4c8684489c24aaddeb39ac"`
[INFO] running `"docker" "rm" "-f" "9022fdfa9c2bd6a4430b8d91e9e26053a02a71eece4c8684489c24aaddeb39ac"`
[INFO] [stdout] 9022fdfa9c2bd6a4430b8d91e9e26053a02a71eece4c8684489c24aaddeb39ac
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e43128fe1c91afd56fc1c9eb3f4bb10ecfaf69f74e61b088f5055f3ad6fe6f3
[INFO] running `"docker" "start" "-a" "1e43128fe1c91afd56fc1c9eb3f4bb10ecfaf69f74e61b088f5055f3ad6fe6f3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling set_eq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Manager".into(), &"RemoveProfile".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let name: &str = r#try!(i.read());
[INFO] [stderr]    |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         r#try!(d.remove_profile(name));
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 |         a.append(r#try!(d.get_interface_revision()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:81:18
[INFO] [stderr]    |
[INFO] [stderr] 81 |         a.append(r#try!(d.get_equalized_sinks()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:92:18
[INFO] [stderr]    |
[INFO] [stderr] 92 |         a.append(r#try!(d.get_profiles()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |         self.sink = r#try!(i.read());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:128:21
[INFO] [stderr]     |
[INFO] [stderr] 128 |         self.sink = r#try!(i.read());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Introspectable".into(), &"Introspect".into(), |_| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:160:28
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let data: String = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:177:20
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let data = r#try!(d.introspect());
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Get".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:206:57
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:211:21
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Set".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:222:21
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"GetAll".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:228:94
[INFO] [stderr]     |
[INFO] [stderr] 228 |         let props: ::std::collections::HashMap<String, arg::Variant<Box<dyn arg::RefArg>>> = r#try!(i.read());
[INFO] [stderr]     |                                                                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:245:36
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:246:35
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:248:21
[INFO] [stderr]     |
[INFO] [stderr] 248 |         let value = r#try!(d.get(interface_name, property_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:262:36
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:263:35
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:264:57
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:266:9
[INFO] [stderr]     |
[INFO] [stderr] 266 |         r#try!(d.set(interface_name, property_name, value));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:279:36
[INFO] [stderr]     |
[INFO] [stderr] 279 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:281:21
[INFO] [stderr]     |
[INFO] [stderr] 281 |         let props = r#try!(d.get_all(interface_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 37 |         a.append(r#try!(d.get_address()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Introspectable".into(), &"Introspect".into(), |_| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let data: String = r#try!(i.read());
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:74:20
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let data = r#try!(d.introspect());
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Get".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:103:57
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Set".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"GetAll".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:125:94
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let props: ::std::collections::HashMap<String, arg::Variant<Box<dyn arg::RefArg>>> = r#try!(i.read());
[INFO] [stderr]     |                                                                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:142:36
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:143:35
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:145:21
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let value = r#try!(d.get(interface_name, property_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:159:36
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:160:35
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:161:57
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         r#try!(d.set(interface_name, property_name, value));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:176:36
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:178:21
[INFO] [stderr]     |
[INFO] [stderr] 178 |         let props = r#try!(d.get_all(interface_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"FilterAtPoints".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SeedFilter".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SaveProfile".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:64:21
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"LoadProfile".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SetFilter".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"GetFilter".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:91:28
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:92:27
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SaveState".into(), |_| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"BaseProfile".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:110:28
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let name: String = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:148:28
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:149:28
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let xs: Vec<u32> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:151:28
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let (ys, preamp) = r#try!(d.filter_at_points(channel, xs));
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:167:28
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 168 |         let xs: Vec<u32> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:169:28
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:170:27
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         r#try!(d.seed_filter(channel, xs, ys, preamp));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:186:28
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:187:26
[INFO] [stderr]     |
[INFO] [stderr] 187 |         let name: &str = r#try!(i.read());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         r#try!(d.save_profile(channel, name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:201:28
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:202:26
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let name: &str = r#try!(i.read());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         r#try!(d.load_profile(channel, name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:216:28
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:218:27
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         r#try!(d.set_filter(channel, ys, preamp));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:233:28
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:235:28
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let (ys, preamp) = r#try!(d.get_filter(channel));
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         r#try!(d.save_state());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:260:28
[INFO] [stderr]     |
[INFO] [stderr] 260 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:262:20
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let name = r#try!(d.base_profile(channel));
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:278:18
[INFO] [stderr]     |
[INFO] [stderr] 278 |         a.append(r#try!(d.get_interface_revision()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:289:18
[INFO] [stderr]     |
[INFO] [stderr] 289 |         a.append(r#try!(d.get_sample_rate()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:300:18
[INFO] [stderr]     |
[INFO] [stderr] 300 |         a.append(r#try!(d.get_filter_sample_rate()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:311:18
[INFO] [stderr]     |
[INFO] [stderr] 311 |         a.append(r#try!(d.get_nfilter_coefficients()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:322:18
[INFO] [stderr]     |
[INFO] [stderr] 322 |         a.append(r#try!(d.get_nchannels()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:395:21
[INFO] [stderr]     |
[INFO] [stderr] 395 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Core1.Device".into(), &"Suspend".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:404:21
[INFO] [stderr]     |
[INFO] [stderr] 404 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Core1.Device".into(), &"GetPortByName".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:408:9
[INFO] [stderr]     |
[INFO] [stderr] 408 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:410:41
[INFO] [stderr]     |
[INFO] [stderr] 410 |         let port: dbus::Path<'static> = r#try!(i.read());
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:540:29
[INFO] [stderr]     |
[INFO] [stderr] 540 |         let suspend: bool = r#try!(i.read());
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:542:9
[INFO] [stderr]     |
[INFO] [stderr] 542 |         r#try!(d.suspend(suspend));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:553:26
[INFO] [stderr]     |
[INFO] [stderr] 553 |         let name: &str = r#try!(i.read());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:555:20
[INFO] [stderr]     |
[INFO] [stderr] 555 |         let port = r#try!(d.get_port_by_name(name));
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:571:18
[INFO] [stderr]     |
[INFO] [stderr] 571 |         a.append(r#try!(d.get_index()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:582:18
[INFO] [stderr]     |
[INFO] [stderr] 582 |         a.append(r#try!(d.get_name()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:593:18
[INFO] [stderr]     |
[INFO] [stderr] 593 |         a.append(r#try!(d.get_driver()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:604:18
[INFO] [stderr]     |
[INFO] [stderr] 604 |         a.append(r#try!(d.get_owner_module()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:615:18
[INFO] [stderr]     |
[INFO] [stderr] 615 |         a.append(r#try!(d.get_card()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:626:18
[INFO] [stderr]     |
[INFO] [stderr] 626 |         a.append(r#try!(d.get_sample_format()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:637:18
[INFO] [stderr]     |
[INFO] [stderr] 637 |         a.append(r#try!(d.get_sample_rate()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:648:18
[INFO] [stderr]     |
[INFO] [stderr] 648 |         a.append(r#try!(d.get_channels()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:659:18
[INFO] [stderr]     |
[INFO] [stderr] 659 |         a.append(r#try!(d.get_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:666:9
[INFO] [stderr]     |
[INFO] [stderr] 666 |         r#try!(d.set_volume(r#try!(iter.read())));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:666:29
[INFO] [stderr]     |
[INFO] [stderr] 666 |         r#try!(d.set_volume(r#try!(iter.read())));
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:677:18
[INFO] [stderr]     |
[INFO] [stderr] 677 |         a.append(r#try!(d.get_has_flat_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:688:18
[INFO] [stderr]     |
[INFO] [stderr] 688 |         a.append(r#try!(d.get_has_convertible_to_decibel_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:699:18
[INFO] [stderr]     |
[INFO] [stderr] 699 |         a.append(r#try!(d.get_base_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:710:18
[INFO] [stderr]     |
[INFO] [stderr] 710 |         a.append(r#try!(d.get_volume_steps()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:721:18
[INFO] [stderr]     |
[INFO] [stderr] 721 |         a.append(r#try!(d.get_mute()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:728:9
[INFO] [stderr]     |
[INFO] [stderr] 728 |         r#try!(d.set_mute(r#try!(iter.read())));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:728:27
[INFO] [stderr]     |
[INFO] [stderr] 728 |         r#try!(d.set_mute(r#try!(iter.read())));
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:739:18
[INFO] [stderr]     |
[INFO] [stderr] 739 |         a.append(r#try!(d.get_has_hardware_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:750:18
[INFO] [stderr]     |
[INFO] [stderr] 750 |         a.append(r#try!(d.get_has_hardware_mute()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:761:18
[INFO] [stderr]     |
[INFO] [stderr] 761 |         a.append(r#try!(d.get_configured_latency()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:772:18
[INFO] [stderr]     |
[INFO] [stderr] 772 |         a.append(r#try!(d.get_has_dynamic_latency()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:783:18
[INFO] [stderr]     |
[INFO] [stderr] 783 |         a.append(r#try!(d.get_latency()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:794:18
[INFO] [stderr]     |
[INFO] [stderr] 794 |         a.append(r#try!(d.get_is_hardware_device()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:805:18
[INFO] [stderr]     |
[INFO] [stderr] 805 |         a.append(r#try!(d.get_is_network_device()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:816:18
[INFO] [stderr]     |
[INFO] [stderr] 816 |         a.append(r#try!(d.get_state()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:827:18
[INFO] [stderr]     |
[INFO] [stderr] 827 |         a.append(r#try!(d.get_ports()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:838:18
[INFO] [stderr]     |
[INFO] [stderr] 838 |         a.append(r#try!(d.get_active_port()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:845:9
[INFO] [stderr]     |
[INFO] [stderr] 845 |         r#try!(d.set_active_port(r#try!(iter.read())));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:845:34
[INFO] [stderr]     |
[INFO] [stderr] 845 |         r#try!(d.set_active_port(r#try!(iter.read())));
[INFO] [stderr]     |                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:856:18
[INFO] [stderr]     |
[INFO] [stderr] 856 |         a.append(r#try!(d.get_property_list()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:875:23
[INFO] [stderr]     |
[INFO] [stderr] 875 |         self.volume = r#try!(i.read());
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:892:22
[INFO] [stderr]     |
[INFO] [stderr] 892 |         self.muted = r#try!(i.read());
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:909:22
[INFO] [stderr]     |
[INFO] [stderr] 909 |         self.state = r#try!(i.read());
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:926:21
[INFO] [stderr]     |
[INFO] [stderr] 926 |         self.port = r#try!(i.read());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:943:30
[INFO] [stderr]     |
[INFO] [stderr] 943 |         self.property_list = r#try!(i.read());
[INFO] [stderr]     |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:977:18
[INFO] [stderr]     |
[INFO] [stderr] 977 |         a.append(r#try!(d.get_monitor_source()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:993:21
[INFO] [stderr]     |
[INFO] [stderr] 993 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Introspectable".into(), &"Introspect".into(), |_| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:995:9
[INFO] [stderr]     |
[INFO] [stderr] 995 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:997:28
[INFO] [stderr]     |
[INFO] [stderr] 997 |         let data: String = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1014:20
[INFO] [stderr]      |
[INFO] [stderr] 1014 |         let data = r#try!(d.introspect());
[INFO] [stderr]      |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1036:21
[INFO] [stderr]      |
[INFO] [stderr] 1036 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Get".into(), |msg| {
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1041:9
[INFO] [stderr]      |
[INFO] [stderr] 1041 |         r#try!(m.as_result());
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1043:57
[INFO] [stderr]      |
[INFO] [stderr] 1043 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]      |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1048:21
[INFO] [stderr]      |
[INFO] [stderr] 1048 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Set".into(), |msg| {
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1054:9
[INFO] [stderr]      |
[INFO] [stderr] 1054 |         r#try!(m.as_result());
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1059:21
[INFO] [stderr]      |
[INFO] [stderr] 1059 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"GetAll".into(), |msg| {
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1063:9
[INFO] [stderr]      |
[INFO] [stderr] 1063 |         r#try!(m.as_result());
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1065:94
[INFO] [stderr]      |
[INFO] [stderr] 1065 |         let props: ::std::collections::HashMap<String, arg::Variant<Box<dyn arg::RefArg>>> = r#try!(i.read());
[INFO] [stderr]      |                                                                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1082:36
[INFO] [stderr]      |
[INFO] [stderr] 1082 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1083:35
[INFO] [stderr]      |
[INFO] [stderr] 1083 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1085:21
[INFO] [stderr]      |
[INFO] [stderr] 1085 |         let value = r#try!(d.get(interface_name, property_name));
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1099:36
[INFO] [stderr]      |
[INFO] [stderr] 1099 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1100:35
[INFO] [stderr]      |
[INFO] [stderr] 1100 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1101:57
[INFO] [stderr]      |
[INFO] [stderr] 1101 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]      |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1103:9
[INFO] [stderr]      |
[INFO] [stderr] 1103 |         r#try!(d.set(interface_name, property_name, value));
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1116:36
[INFO] [stderr]      |
[INFO] [stderr] 1116 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1118:21
[INFO] [stderr]      |
[INFO] [stderr] 1118 |         let props = r#try!(d.get_all(interface_name));
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1131:5
[INFO] [stderr]      |
[INFO] [stderr] 1131 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1157:5
[INFO] [stderr]      |
[INFO] [stderr] 1157 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1186:5
[INFO] [stderr]      |
[INFO] [stderr] 1186 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1197:5
[INFO] [stderr]      |
[INFO] [stderr] 1197 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1287:5
[INFO] [stderr]      |
[INFO] [stderr] 1287 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 173 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `"docker" "inspect" "1e43128fe1c91afd56fc1c9eb3f4bb10ecfaf69f74e61b088f5055f3ad6fe6f3"`
[INFO] running `"docker" "rm" "-f" "1e43128fe1c91afd56fc1c9eb3f4bb10ecfaf69f74e61b088f5055f3ad6fe6f3"`
[INFO] [stdout] 1e43128fe1c91afd56fc1c9eb3f4bb10ecfaf69f74e61b088f5055f3ad6fe6f3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c303ef894de3d3208245e0d49f5aa2c568e04e7eb5b9cfddbcbd925841e21e5c
[INFO] running `"docker" "start" "-a" "c303ef894de3d3208245e0d49f5aa2c568e04e7eb5b9cfddbcbd925841e21e5c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Manager".into(), &"RemoveProfile".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let name: &str = r#try!(i.read());
[INFO] [stderr]    |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         r#try!(d.remove_profile(name));
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 |         a.append(r#try!(d.get_interface_revision()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:81:18
[INFO] [stderr]    |
[INFO] [stderr] 81 |         a.append(r#try!(d.get_equalized_sinks()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/equalizing_manager.rs:92:18
[INFO] [stderr]    |
[INFO] [stderr] 92 |         a.append(r#try!(d.get_profiles()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |         self.sink = r#try!(i.read());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:128:21
[INFO] [stderr]     |
[INFO] [stderr] 128 |         self.sink = r#try!(i.read());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Introspectable".into(), &"Introspect".into(), |_| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:160:28
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let data: String = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:177:20
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let data = r#try!(d.introspect());
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Get".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:206:57
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:211:21
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Set".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:222:21
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"GetAll".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:228:94
[INFO] [stderr]     |
[INFO] [stderr] 228 |         let props: ::std::collections::HashMap<String, arg::Variant<Box<dyn arg::RefArg>>> = r#try!(i.read());
[INFO] [stderr]     |                                                                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:245:36
[INFO] [stderr]     |
[INFO] [stderr] 245 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:246:35
[INFO] [stderr]     |
[INFO] [stderr] 246 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:248:21
[INFO] [stderr]     |
[INFO] [stderr] 248 |         let value = r#try!(d.get(interface_name, property_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:262:36
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:263:35
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:264:57
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:266:9
[INFO] [stderr]     |
[INFO] [stderr] 266 |         r#try!(d.set(interface_name, property_name, value));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:279:36
[INFO] [stderr]     |
[INFO] [stderr] 279 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/equalizing_manager.rs:281:21
[INFO] [stderr]     |
[INFO] [stderr] 281 |         let props = r#try!(d.get_all(interface_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 37 |         a.append(r#try!(d.get_address()));
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Introspectable".into(), &"Introspect".into(), |_| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:57:28
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let data: String = r#try!(i.read());
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:74:20
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let data = r#try!(d.introspect());
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/server_lookup.rs:96:21
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Get".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:103:57
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Set".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"GetAll".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:125:94
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let props: ::std::collections::HashMap<String, arg::Variant<Box<dyn arg::RefArg>>> = r#try!(i.read());
[INFO] [stderr]     |                                                                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:142:36
[INFO] [stderr]     |
[INFO] [stderr] 142 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:143:35
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:145:21
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let value = r#try!(d.get(interface_name, property_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:159:36
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:160:35
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:161:57
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         r#try!(d.set(interface_name, property_name, value));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:176:36
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/server_lookup.rs:178:21
[INFO] [stderr]     |
[INFO] [stderr] 178 |         let props = r#try!(d.get_all(interface_name));
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"FilterAtPoints".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SeedFilter".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SaveProfile".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:64:21
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"LoadProfile".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:74:21
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SetFilter".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"GetFilter".into(), |msg| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:91:28
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:92:27
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"SaveState".into(), |_| {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]   --> src/pa_eq/dbus_api/sink.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         r#try!(m.as_result());
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Ext.Equalizing1.Equalizer".into(), &"BaseProfile".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:110:28
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let name: String = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:148:28
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:149:28
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let xs: Vec<u32> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:151:28
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let (ys, preamp) = r#try!(d.filter_at_points(channel, xs));
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:167:28
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 168 |         let xs: Vec<u32> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:169:28
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:170:27
[INFO] [stderr]     |
[INFO] [stderr] 170 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         r#try!(d.seed_filter(channel, xs, ys, preamp));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:186:28
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:187:26
[INFO] [stderr]     |
[INFO] [stderr] 187 |         let name: &str = r#try!(i.read());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         r#try!(d.save_profile(channel, name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:201:28
[INFO] [stderr]     |
[INFO] [stderr] 201 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:202:26
[INFO] [stderr]     |
[INFO] [stderr] 202 |         let name: &str = r#try!(i.read());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |         r#try!(d.load_profile(channel, name));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:216:28
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let ys: Vec<f64> = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:218:27
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let preamp: f64 = r#try!(i.read());
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         r#try!(d.set_filter(channel, ys, preamp));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:233:28
[INFO] [stderr]     |
[INFO] [stderr] 233 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:235:28
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let (ys, preamp) = r#try!(d.get_filter(channel));
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         r#try!(d.save_state());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:260:28
[INFO] [stderr]     |
[INFO] [stderr] 260 |         let channel: u32 = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:262:20
[INFO] [stderr]     |
[INFO] [stderr] 262 |         let name = r#try!(d.base_profile(channel));
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:278:18
[INFO] [stderr]     |
[INFO] [stderr] 278 |         a.append(r#try!(d.get_interface_revision()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:289:18
[INFO] [stderr]     |
[INFO] [stderr] 289 |         a.append(r#try!(d.get_sample_rate()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:300:18
[INFO] [stderr]     |
[INFO] [stderr] 300 |         a.append(r#try!(d.get_filter_sample_rate()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:311:18
[INFO] [stderr]     |
[INFO] [stderr] 311 |         a.append(r#try!(d.get_nfilter_coefficients()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:322:18
[INFO] [stderr]     |
[INFO] [stderr] 322 |         a.append(r#try!(d.get_nchannels()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:395:21
[INFO] [stderr]     |
[INFO] [stderr] 395 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Core1.Device".into(), &"Suspend".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:399:9
[INFO] [stderr]     |
[INFO] [stderr] 399 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:404:21
[INFO] [stderr]     |
[INFO] [stderr] 404 |         let mut m = r#try!(self.method_call_with_args(&"org.PulseAudio.Core1.Device".into(), &"GetPortByName".into(), |msg| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:408:9
[INFO] [stderr]     |
[INFO] [stderr] 408 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:410:41
[INFO] [stderr]     |
[INFO] [stderr] 410 |         let port: dbus::Path<'static> = r#try!(i.read());
[INFO] [stderr]     |                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:540:29
[INFO] [stderr]     |
[INFO] [stderr] 540 |         let suspend: bool = r#try!(i.read());
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:542:9
[INFO] [stderr]     |
[INFO] [stderr] 542 |         r#try!(d.suspend(suspend));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:553:26
[INFO] [stderr]     |
[INFO] [stderr] 553 |         let name: &str = r#try!(i.read());
[INFO] [stderr]     |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:555:20
[INFO] [stderr]     |
[INFO] [stderr] 555 |         let port = r#try!(d.get_port_by_name(name));
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:571:18
[INFO] [stderr]     |
[INFO] [stderr] 571 |         a.append(r#try!(d.get_index()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:582:18
[INFO] [stderr]     |
[INFO] [stderr] 582 |         a.append(r#try!(d.get_name()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:593:18
[INFO] [stderr]     |
[INFO] [stderr] 593 |         a.append(r#try!(d.get_driver()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:604:18
[INFO] [stderr]     |
[INFO] [stderr] 604 |         a.append(r#try!(d.get_owner_module()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:615:18
[INFO] [stderr]     |
[INFO] [stderr] 615 |         a.append(r#try!(d.get_card()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:626:18
[INFO] [stderr]     |
[INFO] [stderr] 626 |         a.append(r#try!(d.get_sample_format()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:637:18
[INFO] [stderr]     |
[INFO] [stderr] 637 |         a.append(r#try!(d.get_sample_rate()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:648:18
[INFO] [stderr]     |
[INFO] [stderr] 648 |         a.append(r#try!(d.get_channels()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:659:18
[INFO] [stderr]     |
[INFO] [stderr] 659 |         a.append(r#try!(d.get_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:666:9
[INFO] [stderr]     |
[INFO] [stderr] 666 |         r#try!(d.set_volume(r#try!(iter.read())));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:666:29
[INFO] [stderr]     |
[INFO] [stderr] 666 |         r#try!(d.set_volume(r#try!(iter.read())));
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:677:18
[INFO] [stderr]     |
[INFO] [stderr] 677 |         a.append(r#try!(d.get_has_flat_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:688:18
[INFO] [stderr]     |
[INFO] [stderr] 688 |         a.append(r#try!(d.get_has_convertible_to_decibel_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:699:18
[INFO] [stderr]     |
[INFO] [stderr] 699 |         a.append(r#try!(d.get_base_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:710:18
[INFO] [stderr]     |
[INFO] [stderr] 710 |         a.append(r#try!(d.get_volume_steps()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:721:18
[INFO] [stderr]     |
[INFO] [stderr] 721 |         a.append(r#try!(d.get_mute()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:728:9
[INFO] [stderr]     |
[INFO] [stderr] 728 |         r#try!(d.set_mute(r#try!(iter.read())));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:728:27
[INFO] [stderr]     |
[INFO] [stderr] 728 |         r#try!(d.set_mute(r#try!(iter.read())));
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:739:18
[INFO] [stderr]     |
[INFO] [stderr] 739 |         a.append(r#try!(d.get_has_hardware_volume()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:750:18
[INFO] [stderr]     |
[INFO] [stderr] 750 |         a.append(r#try!(d.get_has_hardware_mute()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:761:18
[INFO] [stderr]     |
[INFO] [stderr] 761 |         a.append(r#try!(d.get_configured_latency()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:772:18
[INFO] [stderr]     |
[INFO] [stderr] 772 |         a.append(r#try!(d.get_has_dynamic_latency()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:783:18
[INFO] [stderr]     |
[INFO] [stderr] 783 |         a.append(r#try!(d.get_latency()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:794:18
[INFO] [stderr]     |
[INFO] [stderr] 794 |         a.append(r#try!(d.get_is_hardware_device()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:805:18
[INFO] [stderr]     |
[INFO] [stderr] 805 |         a.append(r#try!(d.get_is_network_device()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:816:18
[INFO] [stderr]     |
[INFO] [stderr] 816 |         a.append(r#try!(d.get_state()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:827:18
[INFO] [stderr]     |
[INFO] [stderr] 827 |         a.append(r#try!(d.get_ports()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:838:18
[INFO] [stderr]     |
[INFO] [stderr] 838 |         a.append(r#try!(d.get_active_port()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:845:9
[INFO] [stderr]     |
[INFO] [stderr] 845 |         r#try!(d.set_active_port(r#try!(iter.read())));
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:845:34
[INFO] [stderr]     |
[INFO] [stderr] 845 |         r#try!(d.set_active_port(r#try!(iter.read())));
[INFO] [stderr]     |                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:856:18
[INFO] [stderr]     |
[INFO] [stderr] 856 |         a.append(r#try!(d.get_property_list()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:875:23
[INFO] [stderr]     |
[INFO] [stderr] 875 |         self.volume = r#try!(i.read());
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:892:22
[INFO] [stderr]     |
[INFO] [stderr] 892 |         self.muted = r#try!(i.read());
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:909:22
[INFO] [stderr]     |
[INFO] [stderr] 909 |         self.state = r#try!(i.read());
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:926:21
[INFO] [stderr]     |
[INFO] [stderr] 926 |         self.port = r#try!(i.read());
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:943:30
[INFO] [stderr]     |
[INFO] [stderr] 943 |         self.property_list = r#try!(i.read());
[INFO] [stderr]     |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:977:18
[INFO] [stderr]     |
[INFO] [stderr] 977 |         a.append(r#try!(d.get_monitor_source()));
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:993:21
[INFO] [stderr]     |
[INFO] [stderr] 993 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Introspectable".into(), &"Introspect".into(), |_| {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:995:9
[INFO] [stderr]     |
[INFO] [stderr] 995 |         r#try!(m.as_result());
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]    --> src/pa_eq/dbus_api/sink.rs:997:28
[INFO] [stderr]     |
[INFO] [stderr] 997 |         let data: String = r#try!(i.read());
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1014:20
[INFO] [stderr]      |
[INFO] [stderr] 1014 |         let data = r#try!(d.introspect());
[INFO] [stderr]      |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1036:21
[INFO] [stderr]      |
[INFO] [stderr] 1036 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Get".into(), |msg| {
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1041:9
[INFO] [stderr]      |
[INFO] [stderr] 1041 |         r#try!(m.as_result());
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1043:57
[INFO] [stderr]      |
[INFO] [stderr] 1043 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]      |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1048:21
[INFO] [stderr]      |
[INFO] [stderr] 1048 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"Set".into(), |msg| {
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1054:9
[INFO] [stderr]      |
[INFO] [stderr] 1054 |         r#try!(m.as_result());
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1059:21
[INFO] [stderr]      |
[INFO] [stderr] 1059 |         let mut m = r#try!(self.method_call_with_args(&"org.freedesktop.DBus.Properties".into(), &"GetAll".into(), |msg| {
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1063:9
[INFO] [stderr]      |
[INFO] [stderr] 1063 |         r#try!(m.as_result());
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1065:94
[INFO] [stderr]      |
[INFO] [stderr] 1065 |         let props: ::std::collections::HashMap<String, arg::Variant<Box<dyn arg::RefArg>>> = r#try!(i.read());
[INFO] [stderr]      |                                                                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1082:36
[INFO] [stderr]      |
[INFO] [stderr] 1082 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1083:35
[INFO] [stderr]      |
[INFO] [stderr] 1083 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1085:21
[INFO] [stderr]      |
[INFO] [stderr] 1085 |         let value = r#try!(d.get(interface_name, property_name));
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1099:36
[INFO] [stderr]      |
[INFO] [stderr] 1099 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1100:35
[INFO] [stderr]      |
[INFO] [stderr] 1100 |         let property_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1101:57
[INFO] [stderr]      |
[INFO] [stderr] 1101 |         let value: arg::Variant<Box<dyn arg::RefArg>> = r#try!(i.read());
[INFO] [stderr]      |                                                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1103:9
[INFO] [stderr]      |
[INFO] [stderr] 1103 |         r#try!(d.set(interface_name, property_name, value));
[INFO] [stderr]      |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1116:36
[INFO] [stderr]      |
[INFO] [stderr] 1116 |         let interface_name: &str = r#try!(i.read());
[INFO] [stderr]      |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'r#try': use the `?` operator instead
[INFO] [stderr]     --> src/pa_eq/dbus_api/sink.rs:1118:21
[INFO] [stderr]      |
[INFO] [stderr] 1118 |         let props = r#try!(d.get_all(interface_name));
[INFO] [stderr]      |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1131:5
[INFO] [stderr]      |
[INFO] [stderr] 1131 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1157:5
[INFO] [stderr]      |
[INFO] [stderr] 1157 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1186:5
[INFO] [stderr]      |
[INFO] [stderr] 1186 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1197:5
[INFO] [stderr]      |
[INFO] [stderr] 1197 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/set_eq-4f97bf7f2d77d3c5/out/parsing/equalizer_apo.rs:1287:5
[INFO] [stderr]      |
[INFO] [stderr] 1287 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 173 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/set_eq-b8c94709a6c02bd6
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test utils::tests::decibel_to_ratio ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c303ef894de3d3208245e0d49f5aa2c568e04e7eb5b9cfddbcbd925841e21e5c"`
[INFO] running `"docker" "rm" "-f" "c303ef894de3d3208245e0d49f5aa2c568e04e7eb5b9cfddbcbd925841e21e5c"`
[INFO] [stdout] c303ef894de3d3208245e0d49f5aa2c568e04e7eb5b9cfddbcbd925841e21e5c