[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#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffvkramer%2Fkv-client" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fvkramer/kv-client on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-0/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: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tinytemplate v1.0.3 [INFO] [stderr] Downloaded backtrace v0.3.30 [INFO] [stderr] Downloaded criterion-plot v0.3.1 [INFO] [stderr] Downloaded criterion v0.2.11 [INFO] [stderr] Downloaded syn v0.15.35 [INFO] [stderr] Downloaded csv-core v0.1.6 [INFO] [stderr] Downloaded csv v1.1.1 [INFO] [stderr] Downloaded slog-term v2.4.2 [INFO] [stderr] Downloaded bstr v0.2.8 [INFO] [stderr] Downloaded regex-automata v0.1.8 [INFO] [stderr] Downloaded rand_xoshiro v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df766e158661449e391a58273967a7724d1ea9e415d950d836bc7296ec265924 [INFO] running `Command { std: "docker" "start" "-a" "df766e158661449e391a58273967a7724d1ea9e415d950d836bc7296ec265924", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df766e158661449e391a58273967a7724d1ea9e415d950d836bc7296ec265924", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df766e158661449e391a58273967a7724d1ea9e415d950d836bc7296ec265924", kill_on_drop: false }` [INFO] [stdout] df766e158661449e391a58273967a7724d1ea9e415d950d836bc7296ec265924 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ee4fce08741486a0bd0617fb068b9aaefdaadded1e663d5a82483a9787cf7b6 [INFO] running `Command { std: "docker" "start" "-a" "9ee4fce08741486a0bd0617fb068b9aaefdaadded1e663d5a82483a9787cf7b6", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] num-traits v0.2.8: default, std [INFO] [stderr] [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling syn v0.15.35 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling backtrace v0.3.30 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking crossbeam-utils v0.7.0 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking walkdir v2.2.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking crossbeam-epoch v0.8.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking slog-async v2.3.0 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking tempfile v3.0.8 [INFO] [stderr] Checking slog-term v2.4.2 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] 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 kvs v0.1.0 (/tmp/fixit) [INFO] [stderr] Checking tinytemplate v1.0.3 [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stderr] Fixed src/kv.rs (4 fixes) [INFO] [stderr] Migrating src/bin/kvs-server.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/kvs-client.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/bin/kvs-server.rs (2 fixes) [INFO] [stderr] Fixed src/bin/kvs-client.rs (3 fixes) [INFO] [stderr] Checking assert_cmd v0.11.1 [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: 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: function is never used: `run_command_prompt` [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 is never used: `transmit_client_input` [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 `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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [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] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating tests/cli.rs from 2018 edition to 2021 [INFO] [stderr] Migrating tests/kv_store.rs from 2018 edition to 2021 [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: 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: function is never used: `run_command_prompt` [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 is never used: `transmit_client_input` [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [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] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.72s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking kvs v0.1.0 (/tmp/fixit) [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: 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: 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: function is never used: `run_command_prompt` [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 is never used: `transmit_client_input` [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: 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: 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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [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] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run_command_prompt` [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 is never used: `transmit_client_input` [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: 2 warnings emitted [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [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] [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "9ee4fce08741486a0bd0617fb068b9aaefdaadded1e663d5a82483a9787cf7b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ee4fce08741486a0bd0617fb068b9aaefdaadded1e663d5a82483a9787cf7b6", kill_on_drop: false }` [INFO] [stdout] 9ee4fce08741486a0bd0617fb068b9aaefdaadded1e663d5a82483a9787cf7b6