[INFO] cloning repository https://github.com/ShaneM123/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShaneM123/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 68e1a20ac187673dd1695482f36342f11bf5329b [INFO] checking ShaneM123/kvs against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ShaneM123/kvs on toolchain fc81ad22c453776de16acf9938976930cf8c9401 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ShaneM123/kvs [INFO] finished tweaking git repo https://github.com/ShaneM123/kvs [INFO] tweaked toml for git repo https://github.com/ShaneM123/kvs written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/ShaneM123/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cf340fbadf3f93b84c2863b70bf87e362c196f8622cc5fda87d4fcc8008bd9d [INFO] running `Command { std: "docker" "start" "-a" "5cf340fbadf3f93b84c2863b70bf87e362c196f8622cc5fda87d4fcc8008bd9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cf340fbadf3f93b84c2863b70bf87e362c196f8622cc5fda87d4fcc8008bd9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cf340fbadf3f93b84c2863b70bf87e362c196f8622cc5fda87d4fcc8008bd9d", kill_on_drop: false }` [INFO] [stdout] 5cf340fbadf3f93b84c2863b70bf87e362c196f8622cc5fda87d4fcc8008bd9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce3d9a5f90b379cadb41d80c23aba3512341193aa9ae1fe7e0328ac0214c741e [INFO] running `Command { std: "docker" "start" "-a" "ce3d9a5f90b379cadb41d80c23aba3512341193aa9ae1fe7e0328ac0214c741e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking predicates-core v1.0.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking thread_local v1.1.1 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking predicates-tree v1.0.1 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [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-automata v0.1.9 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking slog-async v2.6.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Checking slog-term v2.8.0 [INFO] [stderr] Checking predicates v1.0.6 [INFO] [stderr] Checking assert_cmd v1.0.2 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking serde v1.0.125 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stdout] warning: unused import: `std::fmt::Formatter` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fmt::Formatter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/lib.rs:8:28 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fs::{OpenOptions, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `join_paths`, `set_current_dir` [INFO] [stdout] --> src/lib.rs:13:16 [INFO] [stdout] | [INFO] [stdout] 13 | use std::env::{set_current_dir, join_paths}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prelude::*` [INFO] [stdout] --> src/lib.rs:14:15 [INFO] [stdout] | [INFO] [stdout] 14 | use std::io::{prelude::*, Seek, SeekFrom}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `db_file` [INFO] [stdout] --> src/lib.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let db_file = fs::File::create(the_path.clone()).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut deserialised: Vec = serde_json::from_reader(reader).unwrap(); [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: field is never read: `nothing` [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | nothing: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | fs::create_dir_all(&path); [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/lib.rs:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | file.read_to_string(&mut buffy); [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/lib.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | file.read_to_string(&mut buffy); [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/bin/kvs-server.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{Read, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ArgMatches` [INFO] [stdout] --> src/bin/kvs-client.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use clap::{App, Arg, SubCommand, ArgMatches}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Args`, `args` [INFO] [stdout] --> src/bin/kvs-client.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env::{args, Args}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error as IOError`, `ErrorKind` [INFO] [stdout] --> src/bin/kvs-client.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Error as IOError, Write,ErrorKind}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::Serialize` [INFO] [stdout] --> src/bin/kvs-client.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use serde::Serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GetStream` [INFO] [stdout] --> src/bin/kvs-client.rs:7:41 [INFO] [stdout] | [INFO] [stdout] 7 | use kvs::shared::messaging::{SetStream, GetStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `deserialized` [INFO] [stdout] --> src/bin/kvs-server.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | let deserialized = serde_json::from_slice::(&received).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserialized` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-server.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `address` [INFO] [stdout] --> src/bin/kvs-client.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let address = match matches.subcommand_matches("set"){ [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-client.rs:73:21 [INFO] [stdout] | [INFO] [stdout] 73 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/bin/kvs-client.rs:91:14 [INFO] [stdout] | [INFO] [stdout] 91 | Some(val) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs-client.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | let key = sub_cmd.value_of("KEY").unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-client.rs:100:21 [INFO] [stdout] | [INFO] [stdout] 100 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AppSettings`, `ArgMatches`, `Arg`, `SubCommand` [INFO] [stdout] --> src/bin/kvs.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{load_yaml, App, AppSettings, Arg, SubCommand, ArgMatches}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^ ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/bin/kvs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::panicking` [INFO] [stdout] --> src/bin/kvs.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread::panicking; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> src/bin/kvs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | let key = matches.value_of("KEY").expect("KEY argument missing"); [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/bin/kvs.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let value = matches.value_of("VALUE").expect("VALUE argument missing"); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/bin/kvs.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 32 | let res = match kv_store.remove(key.parse().unwrap()) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ArgMatches` [INFO] [stdout] --> src/bin/kvs-client.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use clap::{App, Arg, SubCommand, ArgMatches}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Args`, `args` [INFO] [stdout] --> src/bin/kvs-client.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env::{args, Args}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error as IOError`, `ErrorKind` [INFO] [stdout] --> src/bin/kvs-client.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Error as IOError, Write,ErrorKind}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::Serialize` [INFO] [stdout] --> src/bin/kvs-client.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use serde::Serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GetStream` [INFO] [stdout] --> src/bin/kvs-client.rs:7:41 [INFO] [stdout] | [INFO] [stdout] 7 | use kvs::shared::messaging::{SetStream, GetStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AppSettings`, `ArgMatches`, `Arg`, `SubCommand` [INFO] [stdout] --> src/bin/kvs.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{load_yaml, App, AppSettings, Arg, SubCommand, ArgMatches}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^ ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/bin/kvs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::panicking` [INFO] [stdout] --> src/bin/kvs.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::thread::panicking; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::Error` [INFO] [stdout] --> src/bin/kvs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::Error; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `address` [INFO] [stdout] --> src/bin/kvs-client.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let address = match matches.subcommand_matches("set"){ [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-client.rs:73:21 [INFO] [stdout] | [INFO] [stdout] 73 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/bin/kvs-client.rs:91:14 [INFO] [stdout] | [INFO] [stdout] 91 | Some(val) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs-client.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | let key = sub_cmd.value_of("KEY").unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-client.rs:100:21 [INFO] [stdout] | [INFO] [stdout] 100 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/bin/kvs-server.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{Read, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/kvs.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | let key = matches.value_of("KEY").expect("KEY argument missing"); [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/bin/kvs.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | let value = matches.value_of("VALUE").expect("VALUE argument missing"); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/bin/kvs.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 32 | let res = match kv_store.remove(key.parse().unwrap()) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 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: unused variable: `deserialized` [INFO] [stdout] --> src/bin/kvs-server.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | let deserialized = serde_json::from_slice::(&received).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserialized` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-server.rs:53:17 [INFO] [stdout] | [INFO] [stdout] 53 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Formatter` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fmt::Formatter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/lib.rs:8:28 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fs::{OpenOptions, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `join_paths`, `set_current_dir` [INFO] [stdout] --> src/lib.rs:13:16 [INFO] [stdout] | [INFO] [stdout] 13 | use std::env::{set_current_dir, join_paths}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prelude::*` [INFO] [stdout] --> src/lib.rs:14:15 [INFO] [stdout] | [INFO] [stdout] 14 | use std::io::{prelude::*, Seek, SeekFrom}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/kv_store.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut store = KvStore::open(temp_dir.path())?; [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: variable does not need to be mutable [INFO] [stdout] --> tests/kv_store.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut store = KvStore::open(temp_dir.path())?; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/kv_store.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut store = KvStore::open(temp_dir.path())?; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `db_file` [INFO] [stdout] --> src/lib.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let db_file = fs::File::create(the_path.clone()).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | let mut deserialised: Vec = serde_json::from_reader(reader).unwrap(); [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: field is never read: `nothing` [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | nothing: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | fs::create_dir_all(&path); [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/lib.rs:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | file.read_to_string(&mut buffy); [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/lib.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | file.read_to_string(&mut buffy); [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.46s [INFO] running `Command { std: "docker" "inspect" "ce3d9a5f90b379cadb41d80c23aba3512341193aa9ae1fe7e0328ac0214c741e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce3d9a5f90b379cadb41d80c23aba3512341193aa9ae1fe7e0328ac0214c741e", kill_on_drop: false }` [INFO] [stdout] ce3d9a5f90b379cadb41d80c23aba3512341193aa9ae1fe7e0328ac0214c741e