[INFO] updating cached repository nharring/kv_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nharring/kv_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nharring/kv_server" "work/ex/clippy-test-run/sources/stable/gh/nharring/kv_server"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/nharring/kv_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nharring/kv_server" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nharring/kv_server"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nharring/kv_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 994de072c08357a136bc7d70bee213cbe638f6b4
[INFO] sha for GitHub repo nharring/kv_server: 994de072c08357a136bc7d70bee213cbe638f6b4
[INFO] validating manifest of nharring/kv_server on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nharring/kv_server on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nharring/kv_server
[INFO] finished frobbing nharring/kv_server
[INFO] frobbed toml for nharring/kv_server written to work/ex/clippy-test-run/sources/stable/gh/nharring/kv_server/Cargo.toml
[INFO] started frobbing nharring/kv_server
[INFO] finished frobbing nharring/kv_server
[INFO] frobbed toml for nharring/kv_server written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nharring/kv_server/Cargo.toml
[INFO] crate nharring/kv_server has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting nharring/kv_server against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nharring/kv_server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9df1e4e40956596dc463bb970aa914388bc1009bcb6cf7bc50b3603e8fc44704
[INFO] running `"docker" "start" "-a" "9df1e4e40956596dc463bb970aa914388bc1009bcb6cf7bc50b3603e8fc44704"`
[INFO] [stderr]     Checking integer-encoding v1.0.3
[INFO] [stderr]     Checking threadpool v1.4.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking thrift v0.0.4
[INFO] [stderr]     Checking clap v2.25.1
[INFO] [stderr]     Checking kv_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/kv_server.rs:339:38
[INFO] [stderr]     |
[INFO] [stderr] 339 |         let call_args = SetKeyArgs { kv: kv };
[INFO] [stderr]     |                                      ^^^^^^ help: replace it with: `kv`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/kv_server.rs:366:38
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let call_args = GetValArgs { key: key };
[INFO] [stderr]     |                                      ^^^^^^^^ help: replace it with: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/kv_server.rs:393:38
[INFO] [stderr]     |
[INFO] [stderr] 393 |         let call_args = GetObjArgs { key: key };
[INFO] [stderr]     |                                      ^^^^^^^^ help: replace it with: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/kv_server.rs:420:38
[INFO] [stderr]     |
[INFO] [stderr] 420 |         let call_args = DelKeyArgs { key: key };
[INFO] [stderr]     |                                      ^^^^^^^^ help: replace it with: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/kv_server.rs:462:7
[INFO] [stderr]     |
[INFO] [stderr] 462 |       handler: handler,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^ help: replace it with: `handler`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]  --> src/kv_server.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#![rustfmt::skip]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/kv_server.rs:339:38
[INFO] [stderr]     |
[INFO] [stderr] 339 |         let call_args = SetKeyArgs { kv: kv };
[INFO] [stderr]     |                                      ^^^^^^ help: replace it with: `kv`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/kv_server.rs:366:38
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let call_args = GetValArgs { key: key };
[INFO] [stderr]     |                                      ^^^^^^^^ help: replace it with: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/kv_server.rs:393:38
[INFO] [stderr]     |
[INFO] [stderr] 393 |         let call_args = GetObjArgs { key: key };
[INFO] [stderr]     |                                      ^^^^^^^^ help: replace it with: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/kv_server.rs:420:38
[INFO] [stderr]     |
[INFO] [stderr] 420 |         let call_args = DelKeyArgs { key: key };
[INFO] [stderr]     |                                      ^^^^^^^^ help: replace it with: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/kv_server.rs:462:7
[INFO] [stderr]     |
[INFO] [stderr] 462 |       handler: handler,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^ help: replace it with: `handler`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]  --> src/kv_server.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#![rustfmt::skip]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `too_many_arguments` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/kv_server.rs:5:45
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![cfg_attr(feature = "cargo-clippy", allow(too_many_arguments, type_complexity))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::too_many_arguments`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `type_complexity` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/kv_server.rs:5:65
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![cfg_attr(feature = "cargo-clippy", allow(too_many_arguments, type_complexity))]
[INFO] [stderr]   |                                                                 ^^^^^^^^^^^^^^^ help: change it to: `clippy::type_complexity`
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/kv_server.rs:82:7
[INFO] [stderr]    |
[INFO] [stderr] 82 |       ()
[INFO] [stderr]    |       ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/kv_server.rs:84:7
[INFO] [stderr]    |
[INFO] [stderr] 84 |       ()
[INFO] [stderr]    |       ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:173:7
[INFO] [stderr]     |
[INFO] [stderr] 173 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:175:7
[INFO] [stderr]     |
[INFO] [stderr] 175 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:181:7
[INFO] [stderr]     |
[INFO] [stderr] 181 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:183:7
[INFO] [stderr]     |
[INFO] [stderr] 183 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:273:7
[INFO] [stderr]     |
[INFO] [stderr] 273 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:275:7
[INFO] [stderr]     |
[INFO] [stderr] 275 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:281:7
[INFO] [stderr]     |
[INFO] [stderr] 281 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:283:7
[INFO] [stderr]     |
[INFO] [stderr] 283 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:851:7
[INFO] [stderr]     |
[INFO] [stderr] 851 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:853:7
[INFO] [stderr]     |
[INFO] [stderr] 853 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:859:7
[INFO] [stderr]     |
[INFO] [stderr] 859 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:861:7
[INFO] [stderr]     |
[INFO] [stderr] 861 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:989:7
[INFO] [stderr]     |
[INFO] [stderr] 989 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:991:7
[INFO] [stderr]     |
[INFO] [stderr] 991 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:997:7
[INFO] [stderr]     |
[INFO] [stderr] 997 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:999:7
[INFO] [stderr]     |
[INFO] [stderr] 999 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1005:7
[INFO] [stderr]      |
[INFO] [stderr] 1005 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1007:7
[INFO] [stderr]      |
[INFO] [stderr] 1007 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1137:7
[INFO] [stderr]      |
[INFO] [stderr] 1137 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1139:7
[INFO] [stderr]      |
[INFO] [stderr] 1139 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1145:7
[INFO] [stderr]      |
[INFO] [stderr] 1145 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1147:7
[INFO] [stderr]      |
[INFO] [stderr] 1147 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1153:7
[INFO] [stderr]      |
[INFO] [stderr] 1153 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1155:7
[INFO] [stderr]      |
[INFO] [stderr] 1155 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[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: lint name `too_many_arguments` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/kv_server.rs:5:45
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![cfg_attr(feature = "cargo-clippy", allow(too_many_arguments, type_complexity))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::too_many_arguments`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `type_complexity` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/kv_server.rs:5:65
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![cfg_attr(feature = "cargo-clippy", allow(too_many_arguments, type_complexity))]
[INFO] [stderr]   |                                                                 ^^^^^^^^^^^^^^^ help: change it to: `clippy::type_complexity`
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/kv_server.rs:82:7
[INFO] [stderr]    |
[INFO] [stderr] 82 |       ()
[INFO] [stderr]    |       ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/kv_server.rs:84:7
[INFO] [stderr]    |
[INFO] [stderr] 84 |       ()
[INFO] [stderr]    |       ^^ help: remove the final `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:173:7
[INFO] [stderr]     |
[INFO] [stderr] 173 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:175:7
[INFO] [stderr]     |
[INFO] [stderr] 175 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:181:7
[INFO] [stderr]     |
[INFO] [stderr] 181 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:183:7
[INFO] [stderr]     |
[INFO] [stderr] 183 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:273:7
[INFO] [stderr]     |
[INFO] [stderr] 273 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:275:7
[INFO] [stderr]     |
[INFO] [stderr] 275 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:281:7
[INFO] [stderr]     |
[INFO] [stderr] 281 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:283:7
[INFO] [stderr]     |
[INFO] [stderr] 283 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:851:7
[INFO] [stderr]     |
[INFO] [stderr] 851 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:853:7
[INFO] [stderr]     |
[INFO] [stderr] 853 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:859:7
[INFO] [stderr]     |
[INFO] [stderr] 859 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:861:7
[INFO] [stderr]     |
[INFO] [stderr] 861 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:989:7
[INFO] [stderr]     |
[INFO] [stderr] 989 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:991:7
[INFO] [stderr]     |
[INFO] [stderr] 991 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:997:7
[INFO] [stderr]     |
[INFO] [stderr] 997 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/kv_server.rs:999:7
[INFO] [stderr]     |
[INFO] [stderr] 999 |       ()
[INFO] [stderr]     |       ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1005:7
[INFO] [stderr]      |
[INFO] [stderr] 1005 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1007:7
[INFO] [stderr]      |
[INFO] [stderr] 1007 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1137:7
[INFO] [stderr]      |
[INFO] [stderr] 1137 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1139:7
[INFO] [stderr]      |
[INFO] [stderr] 1139 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1145:7
[INFO] [stderr]      |
[INFO] [stderr] 1145 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1147:7
[INFO] [stderr]      |
[INFO] [stderr] 1147 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1153:7
[INFO] [stderr]      |
[INFO] [stderr] 1153 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]     --> src/kv_server.rs:1155:7
[INFO] [stderr]      |
[INFO] [stderr] 1155 |       ()
[INFO] [stderr]      |       ^^ help: remove the final `()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[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: lint name `too_many_arguments` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/kv_server.rs:5:45
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![cfg_attr(feature = "cargo-clippy", allow(too_many_arguments, type_complexity))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::too_many_arguments`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `too_many_arguments` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/kv_server.rs:5:45
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![cfg_attr(feature = "cargo-clippy", allow(too_many_arguments, type_complexity))]
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::too_many_arguments`
[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: struct is never constructed: `KVServerSyncClient`
[INFO] [stderr]    --> src/kv_server.rs:312:1
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub struct KVServerSyncClient<IP, OP> where IP: TInputProtocol, OP: TOutputProtocol {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: 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: struct is never constructed: `KVServerSyncClient`
[INFO] [stderr]    --> src/kv_server.rs:312:1
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub struct KVServerSyncClient<IP, OP> where IP: TInputProtocol, OP: TOutputProtocol {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:34:26
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let listen_address = format!("127.0.0.1:6677");
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"127.0.0.1:6677".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/main.rs:95:24
[INFO] [stderr]    |
[INFO] [stderr] 95 |              let val = r_store.store.get(&key).unwrap().clone();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&r_store.store[&key]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:107:23
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let val = r_store.store.get(&key).unwrap().clone();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&r_store.store[&key]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:34:26
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let listen_address = format!("127.0.0.1:6677");
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"127.0.0.1:6677".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/main.rs:95:24
[INFO] [stderr]    |
[INFO] [stderr] 95 |              let val = r_store.store.get(&key).unwrap().clone();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&r_store.store[&key]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:107:23
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let val = r_store.store.get(&key).unwrap().clone();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&r_store.store[&key]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `"docker" "inspect" "9df1e4e40956596dc463bb970aa914388bc1009bcb6cf7bc50b3603e8fc44704"`
[INFO] running `"docker" "rm" "-f" "9df1e4e40956596dc463bb970aa914388bc1009bcb6cf7bc50b3603e8fc44704"`
[INFO] [stdout] 9df1e4e40956596dc463bb970aa914388bc1009bcb6cf7bc50b3603e8fc44704