[INFO] fetching crate dbus-udisks2 0.2.0...
[INFO] testing dbus-udisks2-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dbus-udisks2 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dbus-udisks2 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libdbus-sys v0.1.5
[INFO] [stderr]   Downloaded dbus v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14bb5ccc7142131c5f050628118ca965f1849a3ae0ecf289de7c1875716138dd
[INFO] running `Command { std: "docker" "start" "-a" "14bb5ccc7142131c5f050628118ca965f1849a3ae0ecf289de7c1875716138dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14bb5ccc7142131c5f050628118ca965f1849a3ae0ecf289de7c1875716138dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14bb5ccc7142131c5f050628118ca965f1849a3ae0ecf289de7c1875716138dd", kill_on_drop: false }`
[INFO] [stdout] 14bb5ccc7142131c5f050628118ca965f1849a3ae0ecf289de7c1875716138dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09064203d050bd31e48226f250ff3fe715411fd64b29d0e5cf3630ad44e6816d
[INFO] running `Command { std: "docker" "start" "-a" "09064203d050bd31e48226f250ff3fe715411fd64b29d0e5cf3630ad44e6816d", 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/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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                               ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                  ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                   ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                           ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                         ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a RefArg> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                         ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                    ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                   ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `Command { std: "docker" "inspect" "09064203d050bd31e48226f250ff3fe715411fd64b29d0e5cf3630ad44e6816d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09064203d050bd31e48226f250ff3fe715411fd64b29d0e5cf3630ad44e6816d", kill_on_drop: false }`
[INFO] [stdout] 09064203d050bd31e48226f250ff3fe715411fd64b29d0e5cf3630ad44e6816d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 132800db7743dbfb37b497fdc7fe69657894f7fbdcbe1b613c5cb5649292d61e
[INFO] running `Command { std: "docker" "start" "-a" "132800db7743dbfb37b497fdc7fe69657894f7fbdcbe1b613c5cb5649292d61e", kill_on_drop: false }`
[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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                               ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn get_u64(arg: &Variant<Box<RefArg>>) -> u64 {
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                   ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                           ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                         ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a RefArg> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                         ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                    ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                   ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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/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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                               ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                  ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                   ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                           ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                         ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a RefArg> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                         ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                    ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                   ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "132800db7743dbfb37b497fdc7fe69657894f7fbdcbe1b613c5cb5649292d61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132800db7743dbfb37b497fdc7fe69657894f7fbdcbe1b613c5cb5649292d61e", kill_on_drop: false }`
[INFO] [stdout] 132800db7743dbfb37b497fdc7fe69657894f7fbdcbe1b613c5cb5649292d61e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f684789a1c2d2dc90193702b4b5da644dee9008c39713d7b6a77028e00a8955
[INFO] running `Command { std: "docker" "start" "-a" "0f684789a1c2d2dc90193702b4b5da644dee9008c39713d7b6a77028e00a8955", kill_on_drop: false }`
[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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                               ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                  ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                   ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                           ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                         ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a RefArg> + 'a`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                         ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                    ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                   ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[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]    |                                                     ^^^^^^ help: use `dyn`: `dyn RefArg`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 (/opt/rustwide/target/debug/deps/dbus_udisks2-21a09c01676c7b38)
[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" "0f684789a1c2d2dc90193702b4b5da644dee9008c39713d7b6a77028e00a8955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f684789a1c2d2dc90193702b4b5da644dee9008c39713d7b6a77028e00a8955", kill_on_drop: false }`
[INFO] [stdout] 0f684789a1c2d2dc90193702b4b5da644dee9008c39713d7b6a77028e00a8955