[INFO] fetching crate dbus-udisks2 0.2.0...
[INFO] testing dbus-udisks2-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate dbus-udisks2 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate dbus-udisks2 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbus-udisks2 0.2.0
[INFO] finished tweaking crates.io crate dbus-udisks2 0.2.0
[INFO] tweaked toml for crates.io crate dbus-udisks2 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a32c235fbcd9f1d3bc12391a2e5ae94eeb4e2f349b7afb2eb9f3f4d0cf65575
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a32c235fbcd9f1d3bc12391a2e5ae94eeb4e2f349b7afb2eb9f3f4d0cf65575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a32c235fbcd9f1d3bc12391a2e5ae94eeb4e2f349b7afb2eb9f3f4d0cf65575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a32c235fbcd9f1d3bc12391a2e5ae94eeb4e2f349b7afb2eb9f3f4d0cf65575", kill_on_drop: false }`
[INFO] [stdout] 0a32c235fbcd9f1d3bc12391a2e5ae94eeb4e2f349b7afb2eb9f3f4d0cf65575
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6c81ddfb5d8ba219419865e2d28c793664ec6f960a04f01ade99c24ac132a4f
[INFO] running `Command { std: "docker" "start" "-a" "a6c81ddfb5d8ba219419865e2d28c793664ec6f960a04f01ade99c24ac132a4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling dbus v0.6.2
[INFO] [stderr]    Compiling dbus-udisks2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 |         HashMap<String, HashMap<String, Variant<Box<RefArg>>>>
[INFO] [stdout]    |                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 -         HashMap<String, HashMap<String, Variant<Box<RefArg>>>>
[INFO] [stdout] 26 +         HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/block.rs:59:85
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Block> {
[INFO] [stdout]    |                                                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 59 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Block> {
[INFO] [stdout] 59 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Block> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/drive.rs:39:85
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Drive> {
[INFO] [stdout]    |                                                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Drive> {
[INFO] [stdout] 39 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Drive> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/drive.rs:53:63
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn parse(&mut self, objects: &HashMap<String, Variant<Box<RefArg>>>) {
[INFO] [stdout]    |                                                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 -     fn parse(&mut self, objects: &HashMap<String, Variant<Box<RefArg>>>) {
[INFO] [stdout] 53 +     fn parse(&mut self, objects: &HashMap<String, Variant<Box<dyn RefArg>>>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/utils.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_string(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub fn get_string(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout] 4 + pub fn get_string(arg: &Variant<Box<dyn RefArg>>) -> Option<String> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn get_u64(arg: &Variant<Box<RefArg>>) -> u64 {
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 - pub fn get_u64(arg: &Variant<Box<RefArg>>) -> u64 {
[INFO] [stdout] 10 + pub fn get_u64(arg: &Variant<Box<dyn RefArg>>) -> u64 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn get_bool(arg: &Variant<Box<RefArg>>) -> bool {
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 - pub fn get_bool(arg: &Variant<Box<RefArg>>) -> bool {
[INFO] [stdout] 14 + pub fn get_bool(arg: &Variant<Box<dyn RefArg>>) -> bool {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_string_array(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    |                                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 - pub fn get_string_array(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout] 18 + pub fn get_string_array(arg: &Variant<Box<dyn RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn get_byte_array(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 - pub fn get_byte_array(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout] 26 + pub fn get_byte_array(arg: &Variant<Box<dyn RefArg>>) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:30:37
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout] 30 + pub fn atostr<'a>(array: Option<Box<dyn Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    |                                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout] 30 + pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a dyn RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn vva(value: &RefArg) -> Option<String> {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub fn vva(value: &RefArg) -> Option<String> {
[INFO] [stdout] 43 + pub fn vva(value: &dyn RefArg) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:55:51
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn get_array_of_byte_arrays(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 - pub fn get_array_of_byte_arrays(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout] 55 + pub fn get_array_of_byte_arrays(arg: &Variant<Box<dyn RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:63:85
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stdout]    |                                                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stdout] 63 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.69s
[INFO] running `Command { std: "docker" "inspect" "a6c81ddfb5d8ba219419865e2d28c793664ec6f960a04f01ade99c24ac132a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c81ddfb5d8ba219419865e2d28c793664ec6f960a04f01ade99c24ac132a4f", kill_on_drop: false }`
[INFO] [stdout] a6c81ddfb5d8ba219419865e2d28c793664ec6f960a04f01ade99c24ac132a4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51de89bfd53a4ebaa9ef327a6bf3a9fa20ff5785ce1e949fecc8e9fa6840fec1
[INFO] running `Command { std: "docker" "start" "-a" "51de89bfd53a4ebaa9ef327a6bf3a9fa20ff5785ce1e949fecc8e9fa6840fec1", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 |         HashMap<String, HashMap<String, Variant<Box<RefArg>>>>
[INFO] [stdout]    |                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 -         HashMap<String, HashMap<String, Variant<Box<RefArg>>>>
[INFO] [stdout] 26 +         HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/block.rs:59:85
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Block> {
[INFO] [stdout]    |                                                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 59 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Block> {
[INFO] [stdout] 59 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Block> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/drive.rs:39:85
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Drive> {
[INFO] [stdout]    |                                                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Drive> {
[INFO] [stdout] 39 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Drive> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/drive.rs:53:63
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn parse(&mut self, objects: &HashMap<String, Variant<Box<RefArg>>>) {
[INFO] [stdout]    |                                                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 -     fn parse(&mut self, objects: &HashMap<String, Variant<Box<RefArg>>>) {
[INFO] [stdout] 53 +     fn parse(&mut self, objects: &HashMap<String, Variant<Box<dyn RefArg>>>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/utils.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_string(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub fn get_string(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout] 4 + pub fn get_string(arg: &Variant<Box<dyn RefArg>>) -> Option<String> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn get_u64(arg: &Variant<Box<RefArg>>) -> u64 {
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 - pub fn get_u64(arg: &Variant<Box<RefArg>>) -> u64 {
[INFO] [stdout] 10 + pub fn get_u64(arg: &Variant<Box<dyn RefArg>>) -> u64 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn get_bool(arg: &Variant<Box<RefArg>>) -> bool {
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 - pub fn get_bool(arg: &Variant<Box<RefArg>>) -> bool {
[INFO] [stdout] 14 + pub fn get_bool(arg: &Variant<Box<dyn RefArg>>) -> bool {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_string_array(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    |                                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 - pub fn get_string_array(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout] 18 + pub fn get_string_array(arg: &Variant<Box<dyn RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn get_byte_array(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 - pub fn get_byte_array(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout] 26 + pub fn get_byte_array(arg: &Variant<Box<dyn RefArg>>) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:30:37
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout] 30 + pub fn atostr<'a>(array: Option<Box<dyn Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    |                                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout] 30 + pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a dyn RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn vva(value: &RefArg) -> Option<String> {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub fn vva(value: &RefArg) -> Option<String> {
[INFO] [stdout] 43 + pub fn vva(value: &dyn RefArg) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:55:51
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn get_array_of_byte_arrays(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 - pub fn get_array_of_byte_arrays(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout] 55 + pub fn get_array_of_byte_arrays(arg: &Variant<Box<dyn RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dbus-udisks2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:63:85
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stdout]    |                                                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stdout] 63 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 |         HashMap<String, HashMap<String, Variant<Box<RefArg>>>>
[INFO] [stdout]    |                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 -         HashMap<String, HashMap<String, Variant<Box<RefArg>>>>
[INFO] [stdout] 26 +         HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/block.rs:59:85
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Block> {
[INFO] [stdout]    |                                                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 59 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Block> {
[INFO] [stdout] 59 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Block> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/drive.rs:39:85
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Drive> {
[INFO] [stdout]    |                                                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Drive> {
[INFO] [stdout] 39 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Drive> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/drive.rs:53:63
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn parse(&mut self, objects: &HashMap<String, Variant<Box<RefArg>>>) {
[INFO] [stdout]    |                                                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 -     fn parse(&mut self, objects: &HashMap<String, Variant<Box<RefArg>>>) {
[INFO] [stdout] 53 +     fn parse(&mut self, objects: &HashMap<String, Variant<Box<dyn RefArg>>>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/utils.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_string(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub fn get_string(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout] 4 + pub fn get_string(arg: &Variant<Box<dyn RefArg>>) -> Option<String> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn get_u64(arg: &Variant<Box<RefArg>>) -> u64 {
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 - pub fn get_u64(arg: &Variant<Box<RefArg>>) -> u64 {
[INFO] [stdout] 10 + pub fn get_u64(arg: &Variant<Box<dyn RefArg>>) -> u64 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn get_bool(arg: &Variant<Box<RefArg>>) -> bool {
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 - pub fn get_bool(arg: &Variant<Box<RefArg>>) -> bool {
[INFO] [stdout] 14 + pub fn get_bool(arg: &Variant<Box<dyn RefArg>>) -> bool {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn get_string_array(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    |                                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 - pub fn get_string_array(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout] 18 + pub fn get_string_array(arg: &Variant<Box<dyn RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:26:41
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn get_byte_array(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout]    |                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 - pub fn get_byte_array(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stdout] 26 + pub fn get_byte_array(arg: &Variant<Box<dyn RefArg>>) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:30:37
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout] 30 + pub fn atostr<'a>(array: Option<Box<dyn Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    |                                                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 - pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout] 30 + pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a dyn RefArg> + 'a>>) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn vva(value: &RefArg) -> Option<String> {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub fn vva(value: &RefArg) -> Option<String> {
[INFO] [stdout] 43 + pub fn vva(value: &dyn RefArg) -> Option<String> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:55:51
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn get_array_of_byte_arrays(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    |                                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 - pub fn get_array_of_byte_arrays(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout] 55 + pub fn get_array_of_byte_arrays(arg: &Variant<Box<dyn RefArg>>) -> Option<Vec<String>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:63:85
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stdout]    |                                                                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stdout] 63 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/dbus_udisks2-dad7e005d796fc23)
[INFO] running `Command { std: "docker" "inspect" "51de89bfd53a4ebaa9ef327a6bf3a9fa20ff5785ce1e949fecc8e9fa6840fec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51de89bfd53a4ebaa9ef327a6bf3a9fa20ff5785ce1e949fecc8e9fa6840fec1", kill_on_drop: false }`
[INFO] [stdout] 51de89bfd53a4ebaa9ef327a6bf3a9fa20ff5785ce1e949fecc8e9fa6840fec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ced3844384c135b9de404b1a1405cf0b707b12a9d2bf18437b53b61295ac4da
[INFO] running `Command { std: "docker" "start" "-a" "1ced3844384c135b9de404b1a1405cf0b707b12a9d2bf18437b53b61295ac4da", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:26:53
[INFO] [stderr]    |
[INFO] [stderr] 26 |         HashMap<String, HashMap<String, Variant<Box<RefArg>>>>
[INFO] [stderr]    |                                                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 -         HashMap<String, HashMap<String, Variant<Box<RefArg>>>>
[INFO] [stderr] 26 +         HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/block.rs:59:85
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Block> {
[INFO] [stderr]    |                                                                                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 59 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Block> {
[INFO] [stderr] 59 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Block> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/drive.rs:39:85
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Drive> {
[INFO] [stderr]    |                                                                                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 39 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Drive> {
[INFO] [stderr] 39 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Drive> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/drive.rs:53:63
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn parse(&mut self, objects: &HashMap<String, Variant<Box<RefArg>>>) {
[INFO] [stderr]    |                                                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 53 -     fn parse(&mut self, objects: &HashMap<String, Variant<Box<RefArg>>>) {
[INFO] [stderr] 53 +     fn parse(&mut self, objects: &HashMap<String, Variant<Box<dyn RefArg>>>) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/utils.rs:4:37
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn get_string(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stderr]   |                                     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 4 - pub fn get_string(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stderr] 4 + pub fn get_string(arg: &Variant<Box<dyn RefArg>>) -> Option<String> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:10:34
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn get_u64(arg: &Variant<Box<RefArg>>) -> u64 {
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 - pub fn get_u64(arg: &Variant<Box<RefArg>>) -> u64 {
[INFO] [stderr] 10 + pub fn get_u64(arg: &Variant<Box<dyn RefArg>>) -> u64 {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:14:35
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn get_bool(arg: &Variant<Box<RefArg>>) -> bool {
[INFO] [stderr]    |                                   ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 14 - pub fn get_bool(arg: &Variant<Box<RefArg>>) -> bool {
[INFO] [stderr] 14 + pub fn get_bool(arg: &Variant<Box<dyn RefArg>>) -> bool {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:18:43
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn get_string_array(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stderr]    |                                           ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 18 - pub fn get_string_array(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stderr] 18 + pub fn get_string_array(arg: &Variant<Box<dyn RefArg>>) -> Option<Vec<String>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:26:41
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn get_byte_array(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stderr]    |                                         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 - pub fn get_byte_array(arg: &Variant<Box<RefArg>>) -> Option<String> {
[INFO] [stderr] 26 + pub fn get_byte_array(arg: &Variant<Box<dyn RefArg>>) -> Option<String> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:30:37
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 - pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stderr] 30 + pub fn atostr<'a>(array: Option<Box<dyn Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:30:57
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stderr]    |                                                         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 - pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a RefArg> + 'a>>) -> Option<String> {
[INFO] [stderr] 30 + pub fn atostr<'a>(array: Option<Box<Iterator<Item = &'a dyn RefArg> + 'a>>) -> Option<String> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn vva(value: &RefArg) -> Option<String> {
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 43 - pub fn vva(value: &RefArg) -> Option<String> {
[INFO] [stderr] 43 + pub fn vva(value: &dyn RefArg) -> Option<String> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:55:51
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn get_array_of_byte_arrays(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stderr]    |                                                   ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 55 - pub fn get_array_of_byte_arrays(arg: &Variant<Box<RefArg>>) -> Option<Vec<String>> {
[INFO] [stderr] 55 + pub fn get_array_of_byte_arrays(arg: &Variant<Box<dyn RefArg>>) -> Option<Vec<String>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:63:85
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stderr]    |                                                                                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 63 -     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stderr] 63 +     fn parse_from(path: &str, objects: &HashMap<String, HashMap<String, Variant<Box<dyn RefArg>>>>) -> Option<Self> where Self: Sized;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `dbus-udisks2` (lib) generated 14 warnings
[INFO] [stderr] warning: `dbus-udisks2` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dbus_udisks2-dad7e005d796fc23)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dbus-udisks2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ced3844384c135b9de404b1a1405cf0b707b12a9d2bf18437b53b61295ac4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ced3844384c135b9de404b1a1405cf0b707b12a9d2bf18437b53b61295ac4da", kill_on_drop: false }`
[INFO] [stdout] 1ced3844384c135b9de404b1a1405cf0b707b12a9d2bf18437b53b61295ac4da