[INFO] fetching crate protobuf-json 0.3.0...
[INFO] checking protobuf-json-0.3.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate protobuf-json 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate protobuf-json 0.3.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf-json 0.3.0
[INFO] finished tweaking crates.io crate protobuf-json 0.3.0
[INFO] tweaked toml for crates.io crate protobuf-json 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6cdd3dee0754e4b151ef40dcf8d99ccd84b947db4c19554882350e2c468f2ff
[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" "c6cdd3dee0754e4b151ef40dcf8d99ccd84b947db4c19554882350e2c468f2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6cdd3dee0754e4b151ef40dcf8d99ccd84b947db4c19554882350e2c468f2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6cdd3dee0754e4b151ef40dcf8d99ccd84b947db4c19554882350e2c468f2ff", kill_on_drop: false }`
[INFO] [stdout] c6cdd3dee0754e4b151ef40dcf8d99ccd84b947db4c19554882350e2c468f2ff
[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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 629d5b8c935e546699d1ae14db08307d37492dc5fa18ec63715182a45202b5b5
[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" "629d5b8c935e546699d1ae14db08307d37492dc5fa18ec63715182a45202b5b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking protobuf-json v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn proto_to_json(message: &Message) -> serde_json::Value {
[INFO] [stdout]    |                                ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn field_to_json(m: &Message, fd: &FieldDescriptor) -> Option<serde_json::Value> {
[INFO] [stdout]    |                      ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     message: &'a Message,
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |     get_size_fn: &Fn(&Message) -> usize,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 45 |     get_size_fn: &Fn(&Message) -> usize,
[INFO] [stdout]    |                       ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     extract_one_fn: &Fn(&'a Message, usize) -> &'a T) -> Vec<&'a T> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a Message, usize) -> &'a T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 |     extract_one_fn: &Fn(&'a Message, usize) -> &'a T) -> Vec<&'a T> {
[INFO] [stdout]    |                             ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:57:15
[INFO] [stdout]    |
[INFO] [stdout] 57 |     message: &Message,
[INFO] [stdout]    |               ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |     extract_fn: &Fn(&Message) -> Vec<T>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> Vec<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |     extract_fn: &Fn(&Message) -> Vec<T>,
[INFO] [stdout]    |                      ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |     convert_one_fn: &Fn(T) -> serde_json::Value) -> serde_json::Value {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> serde_json::Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:65:37
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn repeated_field_to_json(message: &Message,
[INFO] [stdout]    |                                     ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:130:40
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let mut sub_messages: Vec<&protobuf::Message> = Vec::new();
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:162:37
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn singular_field_to_json(message: &protobuf::Message,
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:201:31
[INFO] [stdout]     |
[INFO] [stdout] 201 |             let sub_message: &protobuf::Message =
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/test_proto.rs:131:26
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/test_proto.rs:132:18
[INFO] [stdout]     |
[INFO] [stdout] 132 |         self as &::std::any::Any
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/test_proto.rs:134:38
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/test_proto.rs:135:22
[INFO] [stdout]     |
[INFO] [stdout] 135 |         self as &mut ::std::any::Any
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/test_proto.rs:137:55
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/tests/test_proto.rs:1653:26
[INFO] [stdout]      |
[INFO] [stdout] 1653 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/tests/test_proto.rs:1654:18
[INFO] [stdout]      |
[INFO] [stdout] 1654 |         self as &::std::any::Any
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/tests/test_proto.rs:1656:38
[INFO] [stdout]      |
[INFO] [stdout] 1656 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stdout]      |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/tests/test_proto.rs:1657:22
[INFO] [stdout]      |
[INFO] [stdout] 1657 |         self as &mut ::std::any::Any
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/tests/test_proto.rs:1659:55
[INFO] [stdout]      |
[INFO] [stdout] 1659 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stdout]      |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/tests/test_proto.rs:2082:26
[INFO] [stdout]      |
[INFO] [stdout] 2082 |     fn as_any(&self) -> &::std::any::Any {
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/tests/test_proto.rs:2083:18
[INFO] [stdout]      |
[INFO] [stdout] 2083 |         self as &::std::any::Any
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/tests/test_proto.rs:2085:38
[INFO] [stdout]      |
[INFO] [stdout] 2085 |     fn as_any_mut(&mut self) -> &mut ::std::any::Any {
[INFO] [stdout]      |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/tests/test_proto.rs:2086:22
[INFO] [stdout]      |
[INFO] [stdout] 2086 |         self as &mut ::std::any::Any
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/tests/test_proto.rs:2088:55
[INFO] [stdout]      |
[INFO] [stdout] 2088 |     fn into_any(self: Box<Self>) -> ::std::boxed::Box<::std::any::Any> {
[INFO] [stdout]      |                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::any::Any)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests/mod.rs:160:43
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn to_serde_array<T>(v: Vec<T>, conv_fn: &Fn(T) -> serde_json::Value) -> serde_json::Value {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> serde_json::Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn proto_to_json(message: &Message) -> serde_json::Value {
[INFO] [stdout]    |                                ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn field_to_json(m: &Message, fd: &FieldDescriptor) -> Option<serde_json::Value> {
[INFO] [stdout]    |                      ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     message: &'a Message,
[INFO] [stdout]    |                  ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:19
[INFO] [stdout]    |
[INFO] [stdout] 45 |     get_size_fn: &Fn(&Message) -> usize,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 45 |     get_size_fn: &Fn(&Message) -> usize,
[INFO] [stdout]    |                       ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     extract_one_fn: &Fn(&'a Message, usize) -> &'a T) -> Vec<&'a T> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a Message, usize) -> &'a T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 |     extract_one_fn: &Fn(&'a Message, usize) -> &'a T) -> Vec<&'a T> {
[INFO] [stdout]    |                             ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:57:15
[INFO] [stdout]    |
[INFO] [stdout] 57 |     message: &Message,
[INFO] [stdout]    |               ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |     extract_fn: &Fn(&Message) -> Vec<T>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Message) -> Vec<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |     extract_fn: &Fn(&Message) -> Vec<T>,
[INFO] [stdout]    |                      ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:59:22
[INFO] [stdout]    |
[INFO] [stdout] 59 |     convert_one_fn: &Fn(T) -> serde_json::Value) -> serde_json::Value {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> serde_json::Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:65:37
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn repeated_field_to_json(message: &Message,
[INFO] [stdout]    |                                     ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:130:40
[INFO] [stdout]     |
[INFO] [stdout] 130 |             let mut sub_messages: Vec<&protobuf::Message> = Vec::new();
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:162:37
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn singular_field_to_json(message: &protobuf::Message,
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:201:31
[INFO] [stdout]     |
[INFO] [stdout] 201 |             let sub_message: &protobuf::Message =
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn protobuf::Message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.39s
[INFO] running `Command { std: "docker" "inspect" "629d5b8c935e546699d1ae14db08307d37492dc5fa18ec63715182a45202b5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629d5b8c935e546699d1ae14db08307d37492dc5fa18ec63715182a45202b5b5", kill_on_drop: false }`
[INFO] [stdout] 629d5b8c935e546699d1ae14db08307d37492dc5fa18ec63715182a45202b5b5