[INFO] updating cached repository https://github.com/nharring/kv_server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 994de072c08357a136bc7d70bee213cbe638f6b4
[INFO] testing nharring/kv_server against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnharring%2Fkv_server" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nharring/kv_server on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nharring/kv_server already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 019c2f54ccceb58e3345f706c77ce5dbaaaff7f7e23baa1892e5f44314db1131
[INFO] running `"docker" "start" "-a" "019c2f54ccceb58e3345f706c77ce5dbaaaff7f7e23baa1892e5f44314db1131"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]    Compiling threadpool v1.4.1
[INFO] [stderr]    Compiling integer-encoding v1.0.3
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling thrift v0.0.4
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling textwrap v0.6.0
[INFO] [stderr]    Compiling clap v2.25.1
[INFO] [stderr]    Compiling kv_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/kv_server.rs:49:45
[INFO] [stderr]    |
[INFO] [stderr] 49 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KeyNotFound> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/kv_server.rs:75:52
[INFO] [stderr]    |
[INFO] [stderr] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:134:45
[INFO] [stderr]     |
[INFO] [stderr] 134 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<ServiceException> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:166:52
[INFO] [stderr]     |
[INFO] [stderr] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:234:45
[INFO] [stderr]     |
[INFO] [stderr] 234 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KVObject> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:266:52
[INFO] [stderr]     |
[INFO] [stderr] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:325:36
[INFO] [stderr]     |
[INFO] [stderr] 325 |   fn i_prot_mut(&mut self) -> &mut TInputProtocol { &mut self._i_prot }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:326:36
[INFO] [stderr]     |
[INFO] [stderr] 326 |   fn o_prot_mut(&mut self) -> &mut TOutputProtocol { &mut self._o_prot }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:465:73
[INFO] [stderr]     |
[INFO] [stderr] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:465:102
[INFO] [stderr]     |
[INFO] [stderr] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:468:73
[INFO] [stderr]     |
[INFO] [stderr] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:468:102
[INFO] [stderr]     |
[INFO] [stderr] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:471:73
[INFO] [stderr]     |
[INFO] [stderr] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:471:102
[INFO] [stderr]     |
[INFO] [stderr] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:474:73
[INFO] [stderr]     |
[INFO] [stderr] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:474:102
[INFO] [stderr]     |
[INFO] [stderr] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:482:107
[INFO] [stderr]     |
[INFO] [stderr] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:482:136
[INFO] [stderr]     |
[INFO] [stderr] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:545:107
[INFO] [stderr]     |
[INFO] [stderr] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:545:136
[INFO] [stderr]     |
[INFO] [stderr] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:613:107
[INFO] [stderr]     |
[INFO] [stderr] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:613:136
[INFO] [stderr]     |
[INFO] [stderr] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:681:107
[INFO] [stderr]     |
[INFO] [stderr] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:681:136
[INFO] [stderr]     |
[INFO] [stderr] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:721:34
[INFO] [stderr]     |
[INFO] [stderr] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:721:63
[INFO] [stderr]     |
[INFO] [stderr] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:763:41
[INFO] [stderr]     |
[INFO] [stderr] 763 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyArgs> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:790:48
[INFO] [stderr]     |
[INFO] [stderr] 790 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:812:41
[INFO] [stderr]     |
[INFO] [stderr] 812 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyResult> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:844:48
[INFO] [stderr]     |
[INFO] [stderr] 844 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:894:41
[INFO] [stderr]     |
[INFO] [stderr] 894 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValArgs> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:921:48
[INFO] [stderr]     |
[INFO] [stderr] 921 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:944:41
[INFO] [stderr]     |
[INFO] [stderr] 944 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValResult> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:982:48
[INFO] [stderr]     |
[INFO] [stderr] 982 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1042:41
[INFO] [stderr]      |
[INFO] [stderr] 1042 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjArgs> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1069:48
[INFO] [stderr]      |
[INFO] [stderr] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1092:41
[INFO] [stderr]      |
[INFO] [stderr] 1092 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjResult> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1130:48
[INFO] [stderr]      |
[INFO] [stderr] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1190:41
[INFO] [stderr]      |
[INFO] [stderr] 1190 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyArgs> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1217:48
[INFO] [stderr]      |
[INFO] [stderr] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1237:41
[INFO] [stderr]      |
[INFO] [stderr] 1237 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyResult> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1256:48
[INFO] [stderr]      |
[INFO] [stderr] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ServiceException`
[INFO] [stderr]   --> src/main.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 | use kv_server::{KeyNotFound, ServiceException};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let i_prot_fact: Box<TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocolFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let o_prot_fact: Box<TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocolFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:113:10
[INFO] [stderr]     |
[INFO] [stderr] 113 |     self.description().fmt(f)
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:213:10
[INFO] [stderr]     |
[INFO] [stderr] 213 |     self.description().fmt(f)
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:511:27
[INFO] [stderr]     |
[INFO] [stderr] 511 |                   usr_err.description()
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:532:19
[INFO] [stderr]     |
[INFO] [stderr] 532 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:579:27
[INFO] [stderr]     |
[INFO] [stderr] 579 |                   usr_err.description()
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:600:19
[INFO] [stderr]     |
[INFO] [stderr] 600 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:647:27
[INFO] [stderr]     |
[INFO] [stderr] 647 |                   usr_err.description()
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:668:19
[INFO] [stderr]     |
[INFO] [stderr] 668 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:705:19
[INFO] [stderr]     |
[INFO] [stderr] 705 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/kv_server.rs:228:3
[INFO] [stderr]     |
[INFO] [stderr] 228 |   pub fn new<F1, F2>(key: F1, value: F2) -> KVObject where F1: Into<Option<String>>, F2: Into<Option<String>> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/kv_server.rs:319:3
[INFO] [stderr]     |
[INFO] [stderr] 319 |   pub fn new(input_protocol: IP, output_protocol: OP) -> KVServerSyncClient<IP, OP> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 56 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.60s
[INFO] running `"docker" "inspect" "019c2f54ccceb58e3345f706c77ce5dbaaaff7f7e23baa1892e5f44314db1131"`
[INFO] running `"docker" "rm" "-f" "019c2f54ccceb58e3345f706c77ce5dbaaaff7f7e23baa1892e5f44314db1131"`
[INFO] [stdout] 019c2f54ccceb58e3345f706c77ce5dbaaaff7f7e23baa1892e5f44314db1131
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c823e8b81f0f9ca2353be50197d5e97091d520468b638d2d55b2e203a4b6681
[INFO] running `"docker" "start" "-a" "2c823e8b81f0f9ca2353be50197d5e97091d520468b638d2d55b2e203a4b6681"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling kv_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/kv_server.rs:49:45
[INFO] [stderr]    |
[INFO] [stderr] 49 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KeyNotFound> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/kv_server.rs:75:52
[INFO] [stderr]    |
[INFO] [stderr] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:134:45
[INFO] [stderr]     |
[INFO] [stderr] 134 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<ServiceException> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:166:52
[INFO] [stderr]     |
[INFO] [stderr] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:234:45
[INFO] [stderr]     |
[INFO] [stderr] 234 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KVObject> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:266:52
[INFO] [stderr]     |
[INFO] [stderr] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:325:36
[INFO] [stderr]     |
[INFO] [stderr] 325 |   fn i_prot_mut(&mut self) -> &mut TInputProtocol { &mut self._i_prot }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:326:36
[INFO] [stderr]     |
[INFO] [stderr] 326 |   fn o_prot_mut(&mut self) -> &mut TOutputProtocol { &mut self._o_prot }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:465:73
[INFO] [stderr]     |
[INFO] [stderr] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:465:102
[INFO] [stderr]     |
[INFO] [stderr] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:468:73
[INFO] [stderr]     |
[INFO] [stderr] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:468:102
[INFO] [stderr]     |
[INFO] [stderr] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:471:73
[INFO] [stderr]     |
[INFO] [stderr] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:471:102
[INFO] [stderr]     |
[INFO] [stderr] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:474:73
[INFO] [stderr]     |
[INFO] [stderr] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:474:102
[INFO] [stderr]     |
[INFO] [stderr] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:482:107
[INFO] [stderr]     |
[INFO] [stderr] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:482:136
[INFO] [stderr]     |
[INFO] [stderr] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:545:107
[INFO] [stderr]     |
[INFO] [stderr] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:545:136
[INFO] [stderr]     |
[INFO] [stderr] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:613:107
[INFO] [stderr]     |
[INFO] [stderr] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:613:136
[INFO] [stderr]     |
[INFO] [stderr] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:681:107
[INFO] [stderr]     |
[INFO] [stderr] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:681:136
[INFO] [stderr]     |
[INFO] [stderr] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:721:34
[INFO] [stderr]     |
[INFO] [stderr] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:721:63
[INFO] [stderr]     |
[INFO] [stderr] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:763:41
[INFO] [stderr]     |
[INFO] [stderr] 763 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyArgs> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:790:48
[INFO] [stderr]     |
[INFO] [stderr] 790 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:812:41
[INFO] [stderr]     |
[INFO] [stderr] 812 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyResult> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:844:48
[INFO] [stderr]     |
[INFO] [stderr] 844 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:894:41
[INFO] [stderr]     |
[INFO] [stderr] 894 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValArgs> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:921:48
[INFO] [stderr]     |
[INFO] [stderr] 921 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:944:41
[INFO] [stderr]     |
[INFO] [stderr] 944 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValResult> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:982:48
[INFO] [stderr]     |
[INFO] [stderr] 982 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1042:41
[INFO] [stderr]      |
[INFO] [stderr] 1042 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjArgs> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1069:48
[INFO] [stderr]      |
[INFO] [stderr] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1092:41
[INFO] [stderr]      |
[INFO] [stderr] 1092 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjResult> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1130:48
[INFO] [stderr]      |
[INFO] [stderr] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1190:41
[INFO] [stderr]      |
[INFO] [stderr] 1190 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyArgs> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1217:48
[INFO] [stderr]      |
[INFO] [stderr] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1237:41
[INFO] [stderr]      |
[INFO] [stderr] 1237 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyResult> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1256:48
[INFO] [stderr]      |
[INFO] [stderr] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ServiceException`
[INFO] [stderr]   --> src/main.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 | use kv_server::{KeyNotFound, ServiceException};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let i_prot_fact: Box<TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocolFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let o_prot_fact: Box<TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocolFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:113:10
[INFO] [stderr]     |
[INFO] [stderr] 113 |     self.description().fmt(f)
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:213:10
[INFO] [stderr]     |
[INFO] [stderr] 213 |     self.description().fmt(f)
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:511:27
[INFO] [stderr]     |
[INFO] [stderr] 511 |                   usr_err.description()
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:532:19
[INFO] [stderr]     |
[INFO] [stderr] 532 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:579:27
[INFO] [stderr]     |
[INFO] [stderr] 579 |                   usr_err.description()
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:600:19
[INFO] [stderr]     |
[INFO] [stderr] 600 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:647:27
[INFO] [stderr]     |
[INFO] [stderr] 647 |                   usr_err.description()
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:668:19
[INFO] [stderr]     |
[INFO] [stderr] 668 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:705:19
[INFO] [stderr]     |
[INFO] [stderr] 705 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/kv_server.rs:228:3
[INFO] [stderr]     |
[INFO] [stderr] 228 |   pub fn new<F1, F2>(key: F1, value: F2) -> KVObject where F1: Into<Option<String>>, F2: Into<Option<String>> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/kv_server.rs:319:3
[INFO] [stderr]     |
[INFO] [stderr] 319 |   pub fn new(input_protocol: IP, output_protocol: OP) -> KVServerSyncClient<IP, OP> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 56 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "2c823e8b81f0f9ca2353be50197d5e97091d520468b638d2d55b2e203a4b6681"`
[INFO] running `"docker" "rm" "-f" "2c823e8b81f0f9ca2353be50197d5e97091d520468b638d2d55b2e203a4b6681"`
[INFO] [stdout] 2c823e8b81f0f9ca2353be50197d5e97091d520468b638d2d55b2e203a4b6681
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d82440187fd7f228d7a15b68f8c555e7c73cddf46358f10bc5ec68f06bd11dfb
[INFO] running `"docker" "start" "-a" "d82440187fd7f228d7a15b68f8c555e7c73cddf46358f10bc5ec68f06bd11dfb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/kv_server.rs:49:45
[INFO] [stderr]    |
[INFO] [stderr] 49 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KeyNotFound> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] 
[INFO] [stderr]   --> src/kv_server.rs:75:52
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 75 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:134:45
[INFO] [stderr]     |
[INFO] [stderr] 134 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<ServiceException> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:166:52
[INFO] [stderr]     |
[INFO] [stderr] 166 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:234:45
[INFO] [stderr]     |
[INFO] [stderr] 234 |   pub fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<KVObject> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:266:52
[INFO] [stderr]     |
[INFO] [stderr] 266 |   pub fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:325:36
[INFO] [stderr]     |
[INFO] [stderr] 325 |   fn i_prot_mut(&mut self) -> &mut TInputProtocol { &mut self._i_prot }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:326:36
[INFO] [stderr]     |
[INFO] [stderr] 326 |   fn o_prot_mut(&mut self) -> &mut TOutputProtocol { &mut self._o_prot }
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:465:73
[INFO] [stderr]     |
[INFO] [stderr] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:465:102
[INFO] [stderr]     |
[INFO] [stderr] 465 |   fn process_set_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:468:73
[INFO] [stderr]     |
[INFO] [stderr] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:468:102
[INFO] [stderr]     |
[INFO] [stderr] 468 |   fn process_get_val(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:471:73
[INFO] [stderr]     |
[INFO] [stderr] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:471:102
[INFO] [stderr]     |
[INFO] [stderr] 471 |   fn process_get_obj(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:474:73
[INFO] [stderr]     |
[INFO] [stderr] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:474:102
[INFO] [stderr]     |
[INFO] [stderr] 474 |   fn process_del_key(&self, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:482:107
[INFO] [stderr]     |
[INFO] [stderr] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:482:136
[INFO] [stderr]     |
[INFO] [stderr] 482 |   pub fn process_set_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:545:107
[INFO] [stderr]     |
[INFO] [stderr] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:545:136
[INFO] [stderr]     |
[INFO] [stderr] 545 |   pub fn process_get_val<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:613:107
[INFO] [stderr]     |
[INFO] [stderr] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:613:136
[INFO] [stderr]     |
[INFO] [stderr] 613 |   pub fn process_get_obj<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:681:107
[INFO] [stderr]     |
[INFO] [stderr] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:681:136
[INFO] [stderr]     |
[INFO] [stderr] 681 |   pub fn process_del_key<H: KVServerSyncHandler>(handler: &H, incoming_sequence_number: i32, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                                                                                                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:721:34
[INFO] [stderr]     |
[INFO] [stderr] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:721:63
[INFO] [stderr]     |
[INFO] [stderr] 721 |   fn process(&self, i_prot: &mut TInputProtocol, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:763:41
[INFO] [stderr]     |
[INFO] [stderr] 763 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyArgs> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:790:48
[INFO] [stderr]     |
[INFO] [stderr] 790 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:812:41
[INFO] [stderr]     |
[INFO] [stderr] 812 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<SetKeyResult> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:844:48
[INFO] [stderr]     |
[INFO] [stderr] 844 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:894:41
[INFO] [stderr]     |
[INFO] [stderr] 894 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValArgs> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:921:48
[INFO] [stderr]     |
[INFO] [stderr] 921 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:944:41
[INFO] [stderr]     |
[INFO] [stderr] 944 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetValResult> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/kv_server.rs:982:48
[INFO] [stderr]     |
[INFO] [stderr] 982 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1042:41
[INFO] [stderr]      |
[INFO] [stderr] 1042 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjArgs> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1069:48
[INFO] [stderr]      |
[INFO] [stderr] 1069 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1092:41
[INFO] [stderr]      |
[INFO] [stderr] 1092 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<GetObjResult> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1130:48
[INFO] [stderr]      |
[INFO] [stderr] 1130 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1190:41
[INFO] [stderr]      |
[INFO] [stderr] 1190 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyArgs> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1217:48
[INFO] [stderr]      |
[INFO] [stderr] 1217 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1237:41
[INFO] [stderr]      |
[INFO] [stderr] 1237 |   fn read_from_in_protocol(i_prot: &mut TInputProtocol) -> thrift::Result<DelKeyResult> {
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/kv_server.rs:1256:48
[INFO] [stderr]      |
[INFO] [stderr] 1256 |   fn write_to_out_protocol(&self, o_prot: &mut TOutputProtocol) -> thrift::Result<()> {
[INFO] [stderr]      |                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocol`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ServiceException`
[INFO] [stderr]   --> src/main.rs:18:30
[INFO] [stderr]    |
[INFO] [stderr] 18 | use kv_server::{KeyNotFound, ServiceException};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let i_prot_fact: Box<TInputProtocolFactory> = Box::new(TCompactInputProtocolFactory::new());
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TInputProtocolFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let o_prot_fact: Box<TOutputProtocolFactory> = Box::new(TCompactOutputProtocolFactory::new());
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TOutputProtocolFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:113:10
[INFO] [stderr]     |
[INFO] [stderr] 113 |     self.description().fmt(f)
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:213:10
[INFO] [stderr]     |
[INFO] [stderr] 213 |     self.description().fmt(f)
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:511:27
[INFO] [stderr]     |
[INFO] [stderr] 511 |                   usr_err.description()
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:532:19
[INFO] [stderr]     |
[INFO] [stderr] 532 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:579:27
[INFO] [stderr]     |
[INFO] [stderr] 579 |                   usr_err.description()
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:600:19
[INFO] [stderr]     |
[INFO] [stderr] 600 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:647:27
[INFO] [stderr]     |
[INFO] [stderr] 647 |                   usr_err.description()
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:668:19
[INFO] [stderr]     |
[INFO] [stderr] 668 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/kv_server.rs:705:19
[INFO] [stderr]     |
[INFO] [stderr] 705 |                 e.description()
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/kv_server.rs:228:3
[INFO] [stderr]     |
[INFO] [stderr] 228 |   pub fn new<F1, F2>(key: F1, value: F2) -> KVObject where F1: Into<Option<String>>, F2: Into<Option<String>> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/kv_server.rs:319:3
[INFO] [stderr]     |
[INFO] [stderr] 319 |   pub fn new(input_protocol: IP, output_protocol: OP) -> KVServerSyncClient<IP, OP> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 56 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kv_server-9079126923710edd
[INFO] running `"docker" "inspect" "d82440187fd7f228d7a15b68f8c555e7c73cddf46358f10bc5ec68f06bd11dfb"`
[INFO] running `"docker" "rm" "-f" "d82440187fd7f228d7a15b68f8c555e7c73cddf46358f10bc5ec68f06bd11dfb"`
[INFO] [stdout] d82440187fd7f228d7a15b68f8c555e7c73cddf46358f10bc5ec68f06bd11dfb