[INFO] cloning repository https://github.com/nharring/kv_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nharring/kv_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnharring%2Fkv_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnharring%2Fkv_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 994de072c08357a136bc7d70bee213cbe638f6b4
[INFO] checking nharring/kv_server against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnharring%2Fkv_server" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nharring/kv_server on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nharring/kv_server
[INFO] finished tweaking git repo https://github.com/nharring/kv_server
[INFO] tweaked toml for git repo https://github.com/nharring/kv_server written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nharring/kv_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded threadpool v1.4.1
[INFO] [stderr]   Downloaded integer-encoding v1.0.3
[INFO] [stderr]   Downloaded clap v2.25.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 757b5b7f18d020256a4e39f126b37099172ef3eec6b72cbbc2430bf06e0907c3
[INFO] running `Command { std: "docker" "start" "-a" "757b5b7f18d020256a4e39f126b37099172ef3eec6b72cbbc2430bf06e0907c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757b5b7f18d020256a4e39f126b37099172ef3eec6b72cbbc2430bf06e0907c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757b5b7f18d020256a4e39f126b37099172ef3eec6b72cbbc2430bf06e0907c3", kill_on_drop: false }`
[INFO] [stdout] 757b5b7f18d020256a4e39f126b37099172ef3eec6b72cbbc2430bf06e0907c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca3f86635d9df5f5ab6ae9f693c9f74659e52420d55696c77ab923a8c754c377
[INFO] running `Command { std: "docker" "start" "-a" "ca3f86635d9df5f5ab6ae9f693c9f74659e52420d55696c77ab923a8c754c377", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking integer-encoding v1.0.3
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking threadpool v1.4.1
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking thrift v0.0.4
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking clap v2.25.1
[INFO] [stderr]     Checking kv_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ServiceException`
[INFO] [stdout]   --> src/main.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 | use kv_server::{KeyNotFound, ServiceException};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ServiceException`
[INFO] [stdout]   --> src/main.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 | use kv_server::{KeyNotFound, ServiceException};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kv_server.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KeyNotFound> {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<KeyNotFound> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kv_server.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KeyNotFound> {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<KeyNotFound> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kv_server.rs:75:52
[INFO] [stdout]    |
[INFO] [stdout] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kv_server.rs:75:52
[INFO] [stdout]    |
[INFO] [stdout] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:134:45
[INFO] [stdout]     |
[INFO] [stdout] 134 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<ServiceException> {
[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] 134 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<ServiceException> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:134:45
[INFO] [stdout]     |
[INFO] [stdout] 134 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<ServiceException> {
[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] 134 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<ServiceException> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:166:52
[INFO] [stdout]     |
[INFO] [stdout] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:166:52
[INFO] [stdout]     |
[INFO] [stdout] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:234:45
[INFO] [stdout]     |
[INFO] [stdout] 234 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KVObject> {
[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] 234 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<KVObject> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:234:45
[INFO] [stdout]     |
[INFO] [stdout] 234 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KVObject> {
[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] 234 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<KVObject> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:266:52
[INFO] [stdout]     |
[INFO] [stdout] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:266:52
[INFO] [stdout]     |
[INFO] [stdout] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:325:36
[INFO] [stdout]     |
[INFO] [stdout] 325 |   fn i_prot_mut(&mut self) -> &mut TInputProtocol { &mut self._i_prot }
[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] 325 |   fn i_prot_mut(&mut self) -> &mut dyn TInputProtocol { &mut self._i_prot }
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:325:36
[INFO] [stdout]     |
[INFO] [stdout] 325 |   fn i_prot_mut(&mut self) -> &mut TInputProtocol { &mut self._i_prot }
[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] 325 |   fn i_prot_mut(&mut self) -> &mut dyn TInputProtocol { &mut self._i_prot }
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:326:36
[INFO] [stdout]     |
[INFO] [stdout] 326 |   fn o_prot_mut(&mut self) -> &mut TOutputProtocol { &mut self._o_prot }
[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] 326 |   fn o_prot_mut(&mut self) -> &mut dyn TOutputProtocol { &mut self._o_prot }
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:326:36
[INFO] [stdout]     |
[INFO] [stdout] 326 |   fn o_prot_mut(&mut self) -> &mut TOutputProtocol { &mut self._o_prot }
[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] 326 |   fn o_prot_mut(&mut self) -> &mut dyn TOutputProtocol { &mut self._o_prot }
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:465:73
[INFO] [stdout]     |
[INFO] [stdout] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:465:73
[INFO] [stdout]     |
[INFO] [stdout] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:465:102
[INFO] [stdout]     |
[INFO] [stdout] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:468:73
[INFO] [stdout]     |
[INFO] [stdout] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:465:102
[INFO] [stdout]     |
[INFO] [stdout] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:468:102
[INFO] [stdout]     |
[INFO] [stdout] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:468:73
[INFO] [stdout]     |
[INFO] [stdout] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:471:73
[INFO] [stdout]     |
[INFO] [stdout] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:468:102
[INFO] [stdout]     |
[INFO] [stdout] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:471:102
[INFO] [stdout]     |
[INFO] [stdout] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:471:73
[INFO] [stdout]     |
[INFO] [stdout] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:474:73
[INFO] [stdout]     |
[INFO] [stdout] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:471:102
[INFO] [stdout]     |
[INFO] [stdout] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:474:102
[INFO] [stdout]     |
[INFO] [stdout] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:474:73
[INFO] [stdout]     |
[INFO] [stdout] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:482:107
[INFO] [stdout]     |
[INFO] [stdout] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:474:102
[INFO] [stdout]     |
[INFO] [stdout] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:482:136
[INFO] [stdout]     |
[INFO] [stdout] 482 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:482:107
[INFO] [stdout]     |
[INFO] [stdout] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:545:107
[INFO] [stdout]     |
[INFO] [stdout] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:482:136
[INFO] [stdout]     |
[INFO] [stdout] 482 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:545:136
[INFO] [stdout]     |
[INFO] [stdout] 545 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:545:107
[INFO] [stdout]     |
[INFO] [stdout] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:613:107
[INFO] [stdout]     |
[INFO] [stdout] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:545:136
[INFO] [stdout]     |
[INFO] [stdout] 545 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:613:136
[INFO] [stdout]     |
[INFO] [stdout] 613 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:613:107
[INFO] [stdout]     |
[INFO] [stdout] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:681:107
[INFO] [stdout]     |
[INFO] [stdout] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:613:136
[INFO] [stdout]     |
[INFO] [stdout] 613 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:681:107
[INFO] [stdout]     |
[INFO] [stdout] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:681:136
[INFO] [stdout]     |
[INFO] [stdout] 681 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:721:34
[INFO] [stdout]     |
[INFO] [stdout] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 721 |   fn process(&self, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:721:63
[INFO] [stdout]     |
[INFO] [stdout] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:763:41
[INFO] [stdout]     |
[INFO] [stdout] 763 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyArgs> {
[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] 763 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<SetKeyArgs> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:790:48
[INFO] [stdout]     |
[INFO] [stdout] 790 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 790 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:812:41
[INFO] [stdout]     |
[INFO] [stdout] 812 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyResult> {
[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] 812 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<SetKeyResult> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:844:48
[INFO] [stdout]     |
[INFO] [stdout] 844 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 844 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:681:136
[INFO] [stdout]     |
[INFO] [stdout] 681 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:894:41
[INFO] [stdout]     |
[INFO] [stdout] 894 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValArgs> {
[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] 894 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetValArgs> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:921:48
[INFO] [stdout]     |
[INFO] [stdout] 921 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 921 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:721:34
[INFO] [stdout]     |
[INFO] [stdout] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 721 |   fn process(&self, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:944:41
[INFO] [stdout]     |
[INFO] [stdout] 944 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValResult> {
[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] 944 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetValResult> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:721:63
[INFO] [stdout]     |
[INFO] [stdout] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:982:48
[INFO] [stdout]     |
[INFO] [stdout] 982 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 982 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:763:41
[INFO] [stdout]     |
[INFO] [stdout] 763 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyArgs> {
[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] 763 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<SetKeyArgs> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:790:48
[INFO] [stdout]     |
[INFO] [stdout] 790 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 790 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1042:41
[INFO] [stdout]      |
[INFO] [stdout] 1042 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjArgs> {
[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] 1042 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetObjArgs> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:812:41
[INFO] [stdout]     |
[INFO] [stdout] 812 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyResult> {
[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] 812 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<SetKeyResult> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1069:48
[INFO] [stdout]      |
[INFO] [stdout] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:844:48
[INFO] [stdout]     |
[INFO] [stdout] 844 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 844 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1092:41
[INFO] [stdout]      |
[INFO] [stdout] 1092 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjResult> {
[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] 1092 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetObjResult> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:894:41
[INFO] [stdout]     |
[INFO] [stdout] 894 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValArgs> {
[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] 894 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetValArgs> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1130:48
[INFO] [stdout]      |
[INFO] [stdout] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:921:48
[INFO] [stdout]     |
[INFO] [stdout] 921 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 921 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:944:41
[INFO] [stdout]     |
[INFO] [stdout] 944 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValResult> {
[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] 944 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetValResult> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1190:41
[INFO] [stdout]      |
[INFO] [stdout] 1190 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyArgs> {
[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] 1190 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<DelKeyArgs> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1217:48
[INFO] [stdout]      |
[INFO] [stdout] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:982:48
[INFO] [stdout]     |
[INFO] [stdout] 982 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 982 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1237:41
[INFO] [stdout]      |
[INFO] [stdout] 1237 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyResult> {
[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] 1237 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<DelKeyResult> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1042:41
[INFO] [stdout]      |
[INFO] [stdout] 1042 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjArgs> {
[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] 1042 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetObjArgs> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1256:48
[INFO] [stdout]      |
[INFO] [stdout] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1069:48
[INFO] [stdout]      |
[INFO] [stdout] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1092:41
[INFO] [stdout]      |
[INFO] [stdout] 1092 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjResult> {
[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] 1092 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetObjResult> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1130:48
[INFO] [stdout]      |
[INFO] [stdout] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1190:41
[INFO] [stdout]      |
[INFO] [stdout] 1190 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyArgs> {
[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] 1190 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<DelKeyArgs> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1217:48
[INFO] [stdout]      |
[INFO] [stdout] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1237:41
[INFO] [stdout]      |
[INFO] [stdout] 1237 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyResult> {
[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] 1237 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<DelKeyResult> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1256:48
[INFO] [stdout]      |
[INFO] [stdout] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:113:10
[INFO] [stdout]     |
[INFO] [stdout] 113 |     self.description().fmt(f)
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:213:10
[INFO] [stdout]     |
[INFO] [stdout] 213 |     self.description().fmt(f)
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:113:10
[INFO] [stdout]     |
[INFO] [stdout] 113 |     self.description().fmt(f)
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:213:10
[INFO] [stdout]     |
[INFO] [stdout] 213 |     self.description().fmt(f)
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:511:27
[INFO] [stdout]     |
[INFO] [stdout] 511 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:532:19
[INFO] [stdout]     |
[INFO] [stdout] 532 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:579:27
[INFO] [stdout]     |
[INFO] [stdout] 579 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:600:19
[INFO] [stdout]     |
[INFO] [stdout] 600 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:647:27
[INFO] [stdout]     |
[INFO] [stdout] 647 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:668:19
[INFO] [stdout]     |
[INFO] [stdout] 668 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:705:19
[INFO] [stdout]     |
[INFO] [stdout] 705 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:511:27
[INFO] [stdout]     |
[INFO] [stdout] 511 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:532:19
[INFO] [stdout]     |
[INFO] [stdout] 532 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:579:27
[INFO] [stdout]     |
[INFO] [stdout] 579 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:600:19
[INFO] [stdout]     |
[INFO] [stdout] 600 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:647:27
[INFO] [stdout]     |
[INFO] [stdout] 647 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:668:19
[INFO] [stdout]     |
[INFO] [stdout] 668 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:705:19
[INFO] [stdout]     |
[INFO] [stdout] 705 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let i_prot_fact: Box<TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[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 |     let i_prot_fact: Box<dyn TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let o_prot_fact: Box<TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[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] 42 |     let o_prot_fact: Box<dyn TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let i_prot_fact: Box<TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[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 |     let i_prot_fact: Box<dyn TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let o_prot_fact: Box<TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[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] 42 |     let o_prot_fact: Box<dyn TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv_server.rs:228:10
[INFO] [stdout]     |
[INFO] [stdout] 227 | impl KVObject {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 228 |   pub fn new<F1, F2>(key: F1, value: F2) -> KVObject where F1: Into<Option<String>>, F2: Into<Option<String>> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv_server.rs:319:10
[INFO] [stdout]     |
[INFO] [stdout] 318 | impl <IP, OP> KVServerSyncClient<IP, OP> where IP: TInputProtocol, OP: TOutputProtocol {
[INFO] [stdout]     | -------------------------------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 319 |   pub fn new(input_protocol: IP, output_protocol: OP) -> KVServerSyncClient<IP, OP> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv_server.rs:228:10
[INFO] [stdout]     |
[INFO] [stdout] 227 | impl KVObject {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 228 |   pub fn new<F1, F2>(key: F1, value: F2) -> KVObject where F1: Into<Option<String>>, F2: Into<Option<String>> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv_server.rs:319:10
[INFO] [stdout]     |
[INFO] [stdout] 318 | impl <IP, OP> KVServerSyncClient<IP, OP> where IP: TInputProtocol, OP: TOutputProtocol {
[INFO] [stdout]     | -------------------------------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 319 |   pub fn new(input_protocol: IP, output_protocol: OP) -> KVServerSyncClient<IP, OP> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "ca3f86635d9df5f5ab6ae9f693c9f74659e52420d55696c77ab923a8c754c377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3f86635d9df5f5ab6ae9f693c9f74659e52420d55696c77ab923a8c754c377", kill_on_drop: false }`
[INFO] [stdout] ca3f86635d9df5f5ab6ae9f693c9f74659e52420d55696c77ab923a8c754c377
[INFO] checking nharring/kv_server against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnharring%2Fkv_server" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nharring/kv_server on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nharring/kv_server
[INFO] finished tweaking git repo https://github.com/nharring/kv_server
[INFO] tweaked toml for git repo https://github.com/nharring/kv_server written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nharring/kv_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52e3b12b6b184394b16618c96f8d4a43f468084e94b2a787af6a0fa1c0d29a75
[INFO] running `Command { std: "docker" "start" "-a" "52e3b12b6b184394b16618c96f8d4a43f468084e94b2a787af6a0fa1c0d29a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52e3b12b6b184394b16618c96f8d4a43f468084e94b2a787af6a0fa1c0d29a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e3b12b6b184394b16618c96f8d4a43f468084e94b2a787af6a0fa1c0d29a75", kill_on_drop: false }`
[INFO] [stdout] 52e3b12b6b184394b16618c96f8d4a43f468084e94b2a787af6a0fa1c0d29a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dunexpected_cfgs" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] bb8f1d6e34480019f87b265d2fb5fa3e474595afb9bd08631e6183dfe084d916
[INFO] running `Command { std: "docker" "start" "-a" "bb8f1d6e34480019f87b265d2fb5fa3e474595afb9bd08631e6183dfe084d916", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking integer-encoding v1.0.3
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking threadpool v1.4.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking thrift v0.0.4
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking clap v2.25.1
[INFO] [stderr]     Checking kv_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/kv_server.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "cargo-clippy", allow(too_many_arguments, type_complexity))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/kv_server.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "cargo-clippy", allow(too_many_arguments, type_complexity))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]   = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]  --> src/kv_server.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]  --> src/kv_server.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ServiceException`
[INFO] [stdout]   --> src/main.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 | use kv_server::{KeyNotFound, ServiceException};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ServiceException`
[INFO] [stdout]   --> src/main.rs:18:30
[INFO] [stdout]    |
[INFO] [stdout] 18 | use kv_server::{KeyNotFound, ServiceException};
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kv_server.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KeyNotFound> {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<KeyNotFound> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kv_server.rs:75:52
[INFO] [stdout]    |
[INFO] [stdout] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:134:45
[INFO] [stdout]     |
[INFO] [stdout] 134 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<ServiceException> {
[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] 134 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<ServiceException> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:166:52
[INFO] [stdout]     |
[INFO] [stdout] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kv_server.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KeyNotFound> {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<KeyNotFound> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:234:45
[INFO] [stdout]     |
[INFO] [stdout] 234 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KVObject> {
[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] 234 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<KVObject> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:266:52
[INFO] [stdout]     |
[INFO] [stdout] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/kv_server.rs:75:52
[INFO] [stdout]    |
[INFO] [stdout] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:325:36
[INFO] [stdout]     |
[INFO] [stdout] 325 |   fn i_prot_mut(&mut self) -> &mut TInputProtocol { &mut self._i_prot }
[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] 325 |   fn i_prot_mut(&mut self) -> &mut dyn TInputProtocol { &mut self._i_prot }
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:134:45
[INFO] [stdout]     |
[INFO] [stdout] 134 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<ServiceException> {
[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] 134 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<ServiceException> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:326:36
[INFO] [stdout]     |
[INFO] [stdout] 326 |   fn o_prot_mut(&mut self) -> &mut TOutputProtocol { &mut self._o_prot }
[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] 326 |   fn o_prot_mut(&mut self) -> &mut dyn TOutputProtocol { &mut self._o_prot }
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:465:73
[INFO] [stdout]     |
[INFO] [stdout] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:166:52
[INFO] [stdout]     |
[INFO] [stdout] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:465:102
[INFO] [stdout]     |
[INFO] [stdout] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:468:73
[INFO] [stdout]     |
[INFO] [stdout] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:468:102
[INFO] [stdout]     |
[INFO] [stdout] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:234:45
[INFO] [stdout]     |
[INFO] [stdout] 234 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KVObject> {
[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] 234 |   pub fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<KVObject> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:471:73
[INFO] [stdout]     |
[INFO] [stdout] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:471:102
[INFO] [stdout]     |
[INFO] [stdout] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:474:73
[INFO] [stdout]     |
[INFO] [stdout] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:266:52
[INFO] [stdout]     |
[INFO] [stdout] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:474:102
[INFO] [stdout]     |
[INFO] [stdout] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:325:36
[INFO] [stdout]     |
[INFO] [stdout] 325 |   fn i_prot_mut(&mut self) -> &mut TInputProtocol { &mut self._i_prot }
[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] 325 |   fn i_prot_mut(&mut self) -> &mut dyn TInputProtocol { &mut self._i_prot }
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:482:107
[INFO] [stdout]     |
[INFO] [stdout] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:326:36
[INFO] [stdout]     |
[INFO] [stdout] 326 |   fn o_prot_mut(&mut self) -> &mut TOutputProtocol { &mut self._o_prot }
[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] 326 |   fn o_prot_mut(&mut self) -> &mut dyn TOutputProtocol { &mut self._o_prot }
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:482:136
[INFO] [stdout]     |
[INFO] [stdout] 482 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:465:73
[INFO] [stdout]     |
[INFO] [stdout] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:545:107
[INFO] [stdout]     |
[INFO] [stdout] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:465:102
[INFO] [stdout]     |
[INFO] [stdout] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:545:136
[INFO] [stdout]     |
[INFO] [stdout] 545 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:468:73
[INFO] [stdout]     |
[INFO] [stdout] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:468:102
[INFO] [stdout]     |
[INFO] [stdout] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:471:73
[INFO] [stdout]     |
[INFO] [stdout] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:471:102
[INFO] [stdout]     |
[INFO] [stdout] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:474:73
[INFO] [stdout]     |
[INFO] [stdout] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:474:102
[INFO] [stdout]     |
[INFO] [stdout] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<(...
[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] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:482:107
[INFO] [stdout]     |
[INFO] [stdout] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:482:136
[INFO] [stdout]     |
[INFO] [stdout] 482 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:545:107
[INFO] [stdout]     |
[INFO] [stdout] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:545:136
[INFO] [stdout]     |
[INFO] [stdout] 545 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:613:107
[INFO] [stdout]     |
[INFO] [stdout] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:613:136
[INFO] [stdout]     |
[INFO] [stdout] 613 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:681:107
[INFO] [stdout]     |
[INFO] [stdout] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:681:136
[INFO] [stdout]     |
[INFO] [stdout] 681 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:721:34
[INFO] [stdout]     |
[INFO] [stdout] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 721 |   fn process(&self, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:721:63
[INFO] [stdout]     |
[INFO] [stdout] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:763:41
[INFO] [stdout]     |
[INFO] [stdout] 763 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyArgs> {
[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] 763 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<SetKeyArgs> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:790:48
[INFO] [stdout]     |
[INFO] [stdout] 790 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 790 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:812:41
[INFO] [stdout]     |
[INFO] [stdout] 812 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyResult> {
[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] 812 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<SetKeyResult> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:844:48
[INFO] [stdout]     |
[INFO] [stdout] 844 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 844 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:613:107
[INFO] [stdout]     |
[INFO] [stdout] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:894:41
[INFO] [stdout]     |
[INFO] [stdout] 894 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValArgs> {
[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] 894 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetValArgs> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:921:48
[INFO] [stdout]     |
[INFO] [stdout] 921 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 921 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:613:136
[INFO] [stdout]     |
[INFO] [stdout] 613 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:944:41
[INFO] [stdout]     |
[INFO] [stdout] 944 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValResult> {
[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] 944 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetValResult> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:681:107
[INFO] [stdout]     |
[INFO] [stdout] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TO...
[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] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:982:48
[INFO] [stdout]     |
[INFO] [stdout] 982 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 982 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1042:41
[INFO] [stdout]      |
[INFO] [stdout] 1042 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjArgs> {
[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] 1042 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetObjArgs> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:681:136
[INFO] [stdout]     |
[INFO] [stdout] 681 | ...nce_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1069:48
[INFO] [stdout]      |
[INFO] [stdout] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:721:34
[INFO] [stdout]     |
[INFO] [stdout] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 721 |   fn process(&self, i_prot: &mut dyn TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1092:41
[INFO] [stdout]      |
[INFO] [stdout] 1092 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjResult> {
[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] 1092 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetObjResult> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:721:63
[INFO] [stdout]     |
[INFO] [stdout] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1130:48
[INFO] [stdout]      |
[INFO] [stdout] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:763:41
[INFO] [stdout]     |
[INFO] [stdout] 763 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyArgs> {
[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] 763 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<SetKeyArgs> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:790:48
[INFO] [stdout]     |
[INFO] [stdout] 790 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 790 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1190:41
[INFO] [stdout]      |
[INFO] [stdout] 1190 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyArgs> {
[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] 1190 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<DelKeyArgs> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:812:41
[INFO] [stdout]     |
[INFO] [stdout] 812 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyResult> {
[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] 812 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<SetKeyResult> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:844:48
[INFO] [stdout]     |
[INFO] [stdout] 844 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 844 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1217:48
[INFO] [stdout]      |
[INFO] [stdout] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:894:41
[INFO] [stdout]     |
[INFO] [stdout] 894 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValArgs> {
[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] 894 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetValArgs> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1237:41
[INFO] [stdout]      |
[INFO] [stdout] 1237 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyResult> {
[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] 1237 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<DelKeyResult> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:921:48
[INFO] [stdout]     |
[INFO] [stdout] 921 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 921 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:944:41
[INFO] [stdout]     |
[INFO] [stdout] 944 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValResult> {
[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] 944 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetValResult> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/kv_server.rs:982:48
[INFO] [stdout]     |
[INFO] [stdout] 982 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 982 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1256:48
[INFO] [stdout]      |
[INFO] [stdout] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1042:41
[INFO] [stdout]      |
[INFO] [stdout] 1042 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjArgs> {
[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] 1042 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetObjArgs> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1069:48
[INFO] [stdout]      |
[INFO] [stdout] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1092:41
[INFO] [stdout]      |
[INFO] [stdout] 1092 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjResult> {
[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] 1092 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<GetObjResult> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1130:48
[INFO] [stdout]      |
[INFO] [stdout] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1190:41
[INFO] [stdout]      |
[INFO] [stdout] 1190 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyArgs> {
[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] 1190 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<DelKeyArgs> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1217:48
[INFO] [stdout]      |
[INFO] [stdout] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1237:41
[INFO] [stdout]      |
[INFO] [stdout] 1237 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyResult> {
[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] 1237 |   fn read_from_in_protocol(i_prot: &mut dyn TInputProtocol) -> thrift::Result<DelKeyResult> {
[INFO] [stdout]      |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/kv_server.rs:1256:48
[INFO] [stdout]      |
[INFO] [stdout] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[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] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut dyn TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout]      |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:113:10
[INFO] [stdout]     |
[INFO] [stdout] 113 |     self.description().fmt(f)
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:213:10
[INFO] [stdout]     |
[INFO] [stdout] 213 |     self.description().fmt(f)
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:113:10
[INFO] [stdout]     |
[INFO] [stdout] 113 |     self.description().fmt(f)
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:213:10
[INFO] [stdout]     |
[INFO] [stdout] 213 |     self.description().fmt(f)
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:511:27
[INFO] [stdout]     |
[INFO] [stdout] 511 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:532:19
[INFO] [stdout]     |
[INFO] [stdout] 532 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:579:27
[INFO] [stdout]     |
[INFO] [stdout] 579 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:600:19
[INFO] [stdout]     |
[INFO] [stdout] 600 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:647:27
[INFO] [stdout]     |
[INFO] [stdout] 647 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:668:19
[INFO] [stdout]     |
[INFO] [stdout] 668 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:705:19
[INFO] [stdout]     |
[INFO] [stdout] 705 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:511:27
[INFO] [stdout]     |
[INFO] [stdout] 511 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:532:19
[INFO] [stdout]     |
[INFO] [stdout] 532 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:579:27
[INFO] [stdout]     |
[INFO] [stdout] 579 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:600:19
[INFO] [stdout]     |
[INFO] [stdout] 600 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:647:27
[INFO] [stdout]     |
[INFO] [stdout] 647 |                   usr_err.description()
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:668:19
[INFO] [stdout]     |
[INFO] [stdout] 668 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kv_server.rs:705:19
[INFO] [stdout]     |
[INFO] [stdout] 705 |                 e.description()
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let i_prot_fact: Box<TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[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 |     let i_prot_fact: Box<dyn TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let o_prot_fact: Box<TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[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] 42 |     let o_prot_fact: Box<dyn TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let i_prot_fact: Box<TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[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 |     let i_prot_fact: Box<dyn TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let o_prot_fact: Box<TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[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] 42 |     let o_prot_fact: Box<dyn TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv_server.rs:228:10
[INFO] [stdout]     |
[INFO] [stdout] 227 | impl KVObject {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 228 |   pub fn new<F1, F2>(key: F1, value: F2) -> KVObject where F1: Into<Option<String>>, F2: Into<Option<String>> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv_server.rs:319:10
[INFO] [stdout]     |
[INFO] [stdout] 318 | impl <IP, OP> KVServerSyncClient<IP, OP> where IP: TInputProtocol, OP: TOutputProtocol {
[INFO] [stdout]     | -------------------------------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 319 |   pub fn new(input_protocol: IP, output_protocol: OP) -> KVServerSyncClient<IP, OP> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kv_server` (bin "kv_server") due to 3 previous errors; 56 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv_server.rs:228:10
[INFO] [stdout]     |
[INFO] [stdout] 227 | impl KVObject {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 228 |   pub fn new<F1, F2>(key: F1, value: F2) -> KVObject where F1: Into<Option<String>>, F2: Into<Option<String>> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/kv_server.rs:319:10
[INFO] [stdout]     |
[INFO] [stdout] 318 | impl <IP, OP> KVServerSyncClient<IP, OP> where IP: TInputProtocol, OP: TOutputProtocol {
[INFO] [stdout]     | -------------------------------------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 319 |   pub fn new(input_protocol: IP, output_protocol: OP) -> KVServerSyncClient<IP, OP> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kv_server` (bin "kv_server" test) due to 3 previous errors; 56 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bb8f1d6e34480019f87b265d2fb5fa3e474595afb9bd08631e6183dfe084d916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8f1d6e34480019f87b265d2fb5fa3e474595afb9bd08631e6183dfe084d916", kill_on_drop: false }`
[INFO] [stdout] bb8f1d6e34480019f87b265d2fb5fa3e474595afb9bd08631e6183dfe084d916
