[INFO] cloning repository https://github.com/fvkramer/kv-client [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fvkramer/kv-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffvkramer%2Fkv-client", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffvkramer%2Fkv-client'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 038cf5dd959dee4bdd09b6689ed978daa9552199 [INFO] checking fvkramer/kv-client against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffvkramer%2Fkv-client" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fvkramer/kv-client on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fvkramer/kv-client [INFO] finished tweaking git repo https://github.com/fvkramer/kv-client [INFO] tweaked toml for git repo https://github.com/fvkramer/kv-client written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/fvkramer/kv-client already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... 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"30c9fd6cf4daf1a0902ffbbba8b398afb48ad0cebc3c8ec01605b69d4da42c92", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling syn v0.15.35 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling backtrace v0.3.30 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking take_mut 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Checking failure v0.1.5 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking tinytemplate v1.0.3 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/kv.rs:276:10 [INFO] [stdout] | [INFO] [stdout] 276 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/kv.rs:276:21 [INFO] [stdout] | [INFO] [stdout] 276 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kv.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | fn set(&mut self, key: String, value: String) -> Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/kv.rs:16:36 [INFO] [stdout] | [INFO] [stdout] 16 | fn set(&mut self, key: String, value: String) -> Result<()> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kv.rs:20:23 [INFO] [stdout] | [INFO] [stdout] 20 | fn get(&mut self, key: String) -> Result> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kv.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | fn remove(&mut self, key: String) -> Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError` [INFO] [stdout] 6 | pub enum KvsError { [INFO] [stdout] | -------- `KvsError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError` [INFO] [stdout] 6 | pub enum KvsError { [INFO] [stdout] | -------- `KvsError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/kv.rs:276:10 [INFO] [stdout] | [INFO] [stdout] 276 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Command` [INFO] [stdout] 277 | enum Command { [INFO] [stdout] | ------- `Command` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/kv.rs:276:21 [INFO] [stdout] | [INFO] [stdout] 276 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Command` [INFO] [stdout] 277 | enum Command { [INFO] [stdout] | ------- `Command` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: unused import: `Shutdown` [INFO] [stdout] --> src/bin/kvs-client.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{Ipv4Addr, Shutdown, SocketAddr, SocketAddrV4, TcpStream}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/bin/kvs-client.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/kvs-client.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | panic!("no args"); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] 23 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufReader` [INFO] [stdout] --> src/bin/kvs-server.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::BufReader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/kvs-client.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 27 | / loop { [INFO] [stdout] 28 | | let mut input = String::new(); [INFO] [stdout] 29 | | print!("> "); [INFO] [stdout] 30 | | io::stdout().flush(); [INFO] [stdout] ... | [INFO] [stdout] 33 | | transmit_client_input(stream, input.trim()); [INFO] [stdout] 34 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 35 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/bin/kvs-server.rs:17:16 [INFO] [stdout] | [INFO] [stdout] 17 | if (size > 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 17 - if (size > 0) { [INFO] [stdout] 17 + if size > 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/kvs-client.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | if let Ok(mut stream) = TcpStream::connect(&addr) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_command_prompt` is never used [INFO] [stdout] --> src/bin/kvs-client.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn run_command_prompt(stream: &mut TcpStream) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `transmit_client_input` is never used [INFO] [stdout] --> src/bin/kvs-client.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn transmit_client_input(stream: &mut TcpStream, input: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/kvs-client.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Command::new("clear").spawn()?.wait(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 9 | let _ = Command::new("clear").spawn()?.wait(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/kvs-client.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/kvs-client.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | transmit_client_input(stream, input.trim()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = transmit_client_input(stream, input.trim()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/kvs-server.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | handle_client(stream.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = handle_client(stream.unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/kvs-server.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | handle_client(stream.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = handle_client(stream.unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused import: `Shutdown` [INFO] [stdout] --> src/bin/kvs-client.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{Ipv4Addr, Shutdown, SocketAddr, SocketAddrV4, TcpStream}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/bin/kvs-client.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufReader` [INFO] [stdout] --> src/bin/kvs-server.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::BufReader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/kvs-client.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | panic!("no args"); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] 23 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/bin/kvs-server.rs:17:16 [INFO] [stdout] | [INFO] [stdout] 17 | if (size > 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 17 - if (size > 0) { [INFO] [stdout] 17 + if size > 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/kvs-client.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 27 | / loop { [INFO] [stdout] 28 | | let mut input = String::new(); [INFO] [stdout] 29 | | print!("> "); [INFO] [stdout] 30 | | io::stdout().flush(); [INFO] [stdout] ... | [INFO] [stdout] 33 | | transmit_client_input(stream, input.trim()); [INFO] [stdout] 34 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 35 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/kvs-client.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | if let Ok(mut stream) = TcpStream::connect(&addr) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_command_prompt` is never used [INFO] [stdout] --> src/bin/kvs-client.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn run_command_prompt(stream: &mut TcpStream) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `transmit_client_input` is never used [INFO] [stdout] --> src/bin/kvs-client.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn transmit_client_input(stream: &mut TcpStream, input: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/kv.rs:276:10 [INFO] [stdout] | [INFO] [stdout] 276 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/kv.rs:276:21 [INFO] [stdout] | [INFO] [stdout] 276 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `KvsEngine` [INFO] [stdout] --> tests/kv_store.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use kvs::{KvStore, KvsEngine, Result}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/kvs-client.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Command::new("clear").spawn()?.wait(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 9 | let _ = Command::new("clear").spawn()?.wait(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/kvs-client.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = io::stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/kvs-client.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | transmit_client_input(stream, input.trim()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = transmit_client_input(stream, input.trim()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/kvs-server.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | handle_client(stream.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = handle_client(stream.unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/kvs-server.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | handle_client(stream.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = handle_client(stream.unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kv.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | fn set(&mut self, key: String, value: String) -> Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/kv.rs:16:36 [INFO] [stdout] | [INFO] [stdout] 16 | fn set(&mut self, key: String, value: String) -> Result<()> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kv.rs:20:23 [INFO] [stdout] | [INFO] [stdout] 20 | fn get(&mut self, key: String) -> Result> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kv.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | fn remove(&mut self, key: String) -> Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError` [INFO] [stdout] 6 | pub enum KvsError { [INFO] [stdout] | -------- `KvsError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Fail, Debug)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError` [INFO] [stdout] 6 | pub enum KvsError { [INFO] [stdout] | -------- `KvsError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/kv.rs:276:10 [INFO] [stdout] | [INFO] [stdout] 276 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Command` [INFO] [stdout] 277 | enum Command { [INFO] [stdout] | ------- `Command` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/kv.rs:276:21 [INFO] [stdout] | [INFO] [stdout] 276 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Command` [INFO] [stdout] 277 | enum Command { [INFO] [stdout] | ------- `Command` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.23s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "30c9fd6cf4daf1a0902ffbbba8b398afb48ad0cebc3c8ec01605b69d4da42c92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30c9fd6cf4daf1a0902ffbbba8b398afb48ad0cebc3c8ec01605b69d4da42c92", kill_on_drop: false }` [INFO] [stdout] 30c9fd6cf4daf1a0902ffbbba8b398afb48ad0cebc3c8ec01605b69d4da42c92