[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] 36186ab3041874c9ae4cf26c5f865605ed7d0ab9 [INFO] checking ShaneM123/kvs/36186ab3041874c9ae4cf26c5f865605ed7d0ab9 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ShaneM123/kvs on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded slog-async v2.6.0 [INFO] [stderr] Downloaded predicates v1.0.6 [INFO] [stderr] Downloaded predicates-tree v1.0.1 [INFO] [stderr] Downloaded assert_cmd v1.0.2 [INFO] [stderr] Downloaded predicates-core v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cf5d2aa47704906e99a53bf95e19e8d1b747596f1ce3fad48aa69008537588d3 [INFO] running `Command { std: "docker" "start" "-a" "cf5d2aa47704906e99a53bf95e19e8d1b747596f1ce3fad48aa69008537588d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf5d2aa47704906e99a53bf95e19e8d1b747596f1ce3fad48aa69008537588d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf5d2aa47704906e99a53bf95e19e8d1b747596f1ce3fad48aa69008537588d3", kill_on_drop: false }` [INFO] [stdout] cf5d2aa47704906e99a53bf95e19e8d1b747596f1ce3fad48aa69008537588d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75676582f55f5a04b93521eb29a71326cf6845cc1e7e7a4ba5a0ff651db48683 [INFO] running `Command { std: "docker" "start" "-a" "75676582f55f5a04b93521eb29a71326cf6845cc1e7e7a4ba5a0ff651db48683", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking thread_local v1.1.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-epoch v0.9.4 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 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(/opt/rustwide/workdir) [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/lib.rs:7:28 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::{OpenOptions, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `join_paths` and `set_current_dir` [INFO] [stdout] --> src/lib.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | 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:13:15 [INFO] [stdout] | [INFO] [stdout] 13 | use std::io::{prelude::*, Seek, SeekFrom}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:239:13 [INFO] [stdout] | [INFO] [stdout] 239 | 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: unused variable: `db_file` [INFO] [stdout] --> src/lib.rs:269:13 [INFO] [stdout] | [INFO] [stdout] 269 | 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: field `path` is never read [INFO] [stdout] --> src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct SledKvsEngine{ [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 43 | pub sled_db: sled::Db, [INFO] [stdout] 44 | path: 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: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] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 138 | let _ = file.read_to_string(&mut buffy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | 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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 192 | let _ = file.read_to_string(&mut buffy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:267:9 [INFO] [stdout] | [INFO] [stdout] 267 | fs::create_dir_all(&path); [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] 267 | let _ = fs::create_dir_all(&path); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AppSettings`, `ArgMatches`, `Arg`, and `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: 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` and `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`, and `Read` [INFO] [stdout] --> src/bin/kvs-client.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Error as IOError, Write, ErrorKind, Read, BufReader, BufRead}; [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 import: `chrono::Duration` [INFO] [stdout] --> src/bin/kvs-client.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use chrono::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 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, Error, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/bin/kvs-server.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/bin/kvs-server.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/bin/kvs-server.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `address` [INFO] [stdout] --> src/bin/kvs-client.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | 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: `val` [INFO] [stdout] --> src/bin/kvs-client.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | 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:81:17 [INFO] [stdout] | [INFO] [stdout] 81 | 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:87:21 [INFO] [stdout] | [INFO] [stdout] 87 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-client.rs:119:21 [INFO] [stdout] | [INFO] [stdout] 119 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-client.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `temp_dir` [INFO] [stdout] --> src/bin/kvs-server.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | let temp_dir = std::path::Path::new("tmp/foo2.txt").file_name().unwrap(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_dir` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs-server.rs:66:25 [INFO] [stdout] | [INFO] [stdout] 66 | let mut store = match engine_func(engine).unwrap() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/kvs-server.rs:74:29 [INFO] [stdout] | [INFO] [stdout] 74 | let x = reader.consume(received.len()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/kvs-server.rs:77:33 [INFO] [stdout] | [INFO] [stdout] 77 | ... let x = store.set(deserialized.key.into(), deserialized.value.into()).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/kvs-server.rs:96:33 [INFO] [stdout] | [INFO] [stdout] 96 | ... let x = match store.remove(deserialized.key.into()) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs-server.rs:114:41 [INFO] [stdout] | [INFO] [stdout] 114 | EngineType::SledEng(store) => {unimplemented!()} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-server.rs:118:17 [INFO] [stdout] | [INFO] [stdout] 118 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/kvs-server.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | let mut store = match engine_func(engine).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: 12 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` and `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`, and `Read` [INFO] [stdout] --> src/bin/kvs-client.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{Error as IOError, Write, ErrorKind, Read, BufReader, BufRead}; [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 import: `chrono::Duration` [INFO] [stdout] --> src/bin/kvs-client.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use chrono::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `address` [INFO] [stdout] --> src/bin/kvs-client.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | 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: `val` [INFO] [stdout] --> src/bin/kvs-client.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | 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:81:17 [INFO] [stdout] | [INFO] [stdout] 81 | 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 import: `Read` [INFO] [stdout] --> src/bin/kvs-server.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{Read, BufReader, BufRead, Error, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-client.rs:87:21 [INFO] [stdout] | [INFO] [stdout] 87 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-client.rs:119:21 [INFO] [stdout] | [INFO] [stdout] 119 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-client.rs:153:21 [INFO] [stdout] | [INFO] [stdout] 153 | 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::io` [INFO] [stdout] --> src/bin/kvs-server.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/bin/kvs-server.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/bin/kvs-server.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `temp_dir` [INFO] [stdout] --> src/bin/kvs-server.rs:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | let temp_dir = std::path::Path::new("tmp/foo2.txt").file_name().unwrap(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_dir` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs-server.rs:66:25 [INFO] [stdout] | [INFO] [stdout] 66 | let mut store = match engine_func(engine).unwrap() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AppSettings`, `ArgMatches`, `Arg`, and `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 variable: `x` [INFO] [stdout] --> src/bin/kvs-server.rs:74:29 [INFO] [stdout] | [INFO] [stdout] 74 | let x = reader.consume(received.len()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [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: `x` [INFO] [stdout] --> src/bin/kvs-server.rs:77:33 [INFO] [stdout] | [INFO] [stdout] 77 | ... let x = store.set(deserialized.key.into(), deserialized.value.into()).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/kvs-server.rs:96:33 [INFO] [stdout] | [INFO] [stdout] 96 | ... let x = match store.remove(deserialized.key.into()) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `store` [INFO] [stdout] --> src/bin/kvs-server.rs:114:41 [INFO] [stdout] | [INFO] [stdout] 114 | EngineType::SledEng(store) => {unimplemented!()} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs-server.rs:118:17 [INFO] [stdout] | [INFO] [stdout] 118 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/lib.rs:7:28 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fs::{OpenOptions, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `join_paths` and `set_current_dir` [INFO] [stdout] --> src/lib.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | 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:13:15 [INFO] [stdout] | [INFO] [stdout] 13 | use std::io::{prelude::*, Seek, SeekFrom}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/kvs-server.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | let mut store = match engine_func(engine).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: 12 warnings emitted [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: 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: 7 warnings emitted [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:239:13 [INFO] [stdout] | [INFO] [stdout] 239 | 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: unused variable: `db_file` [INFO] [stdout] --> src/lib.rs:269:13 [INFO] [stdout] | [INFO] [stdout] 269 | 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: field `path` is never read [INFO] [stdout] --> src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct SledKvsEngine{ [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 43 | pub sled_db: sled::Db, [INFO] [stdout] 44 | path: 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: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] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 138 | let _ = file.read_to_string(&mut buffy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:192:9 [INFO] [stdout] | [INFO] [stdout] 192 | 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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 192 | let _ = file.read_to_string(&mut buffy); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:267:9 [INFO] [stdout] | [INFO] [stdout] 267 | fs::create_dir_all(&path); [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] 267 | let _ = fs::create_dir_all(&path); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.53s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4 [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" "75676582f55f5a04b93521eb29a71326cf6845cc1e7e7a4ba5a0ff651db48683", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75676582f55f5a04b93521eb29a71326cf6845cc1e7e7a4ba5a0ff651db48683", kill_on_drop: false }` [INFO] [stdout] 75676582f55f5a04b93521eb29a71326cf6845cc1e7e7a4ba5a0ff651db48683