[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] testing ShaneM123/kvs against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaneM123%2Fkvs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [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-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ShaneM123/kvs on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.2.5 [INFO] [stderr] Downloaded slog-term v2.8.0 [INFO] [stderr] Downloaded slog v2.7.0 [INFO] [stderr] Downloaded slog-async v2.6.0 [INFO] [stderr] Downloaded predicates-tree v1.0.1 [INFO] [stderr] Downloaded yaml-rust v0.3.5 [INFO] [stderr] Downloaded plotters-svg v0.3.0 [INFO] [stderr] Downloaded take_mut v0.2.2 [INFO] [stderr] Downloaded tinytemplate v1.2.1 [INFO] [stderr] Downloaded thread_local v1.1.1 [INFO] [stderr] Downloaded rustversion v1.0.5 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded cast v0.2.6 [INFO] [stderr] Downloaded criterion-plot v0.4.3 [INFO] [stderr] Downloaded plotters-backend v0.3.0 [INFO] [stderr] Downloaded predicates-core v1.0.1 [INFO] [stderr] Downloaded fs2 v0.4.3 [INFO] [stderr] Downloaded float-cmp v0.8.0 [INFO] [stderr] Downloaded rustc_version v0.3.3 [INFO] [stderr] Downloaded semver-parser v0.10.2 [INFO] [stderr] Downloaded semver v0.11.0 [INFO] [stderr] Downloaded oorandom v11.1.3 [INFO] [stderr] Downloaded memoffset v0.6.3 [INFO] [stderr] Downloaded predicates v1.0.6 [INFO] [stderr] Downloaded assert_cmd v1.0.2 [INFO] [stderr] Downloaded half v1.7.1 [INFO] [stderr] Downloaded serde_cbor v0.11.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.4 [INFO] [stderr] Downloaded crossbeam-channel v0.5.1 [INFO] [stderr] Downloaded crossbeam-utils v0.8.4 [INFO] [stderr] Downloaded criterion v0.3.4 [INFO] [stderr] Downloaded difference v2.0.0 [INFO] [stderr] Downloaded bstr v0.2.15 [INFO] [stderr] Downloaded sled v0.34.6 [INFO] [stderr] Downloaded plotters v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53e050b03fe4cd33b315c4846116103f8f9634f03f74e3d15c4578f52a0d3674 [INFO] running `Command { std: "docker" "start" "-a" "53e050b03fe4cd33b315c4846116103f8f9634f03f74e3d15c4578f52a0d3674", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53e050b03fe4cd33b315c4846116103f8f9634f03f74e3d15c4578f52a0d3674", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53e050b03fe4cd33b315c4846116103f8f9634f03f74e3d15c4578f52a0d3674", kill_on_drop: false }` [INFO] [stdout] 53e050b03fe4cd33b315c4846116103f8f9634f03f74e3d15c4578f52a0d3674 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 9af10f822b35261650a70e68907c59e6ee363e9d8a1d5046d231d33f42f3187d [INFO] running `Command { std: "docker" "start" "-a" "9af10f822b35261650a70e68907c59e6ee363e9d8a1d5046d231d33f42f3187d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling thread_local v1.1.1 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling slog-async v2.6.0 [INFO] [stderr] Compiling sled v0.34.6 [INFO] [stderr] Compiling slog-term v2.8.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling kvs v0.1.0 (/opt/rustwide/workdir) [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/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: 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 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 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: `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 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: 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] --> 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: 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.23s [INFO] running `Command { std: "docker" "inspect" "9af10f822b35261650a70e68907c59e6ee363e9d8a1d5046d231d33f42f3187d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9af10f822b35261650a70e68907c59e6ee363e9d8a1d5046d231d33f42f3187d", kill_on_drop: false }` [INFO] [stdout] 9af10f822b35261650a70e68907c59e6ee363e9d8a1d5046d231d33f42f3187d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8f85c6b7dcb462a9f1a2993e935b9da31f9aa71260a0223c122a4b6fbd8ef0eb [INFO] running `Command { std: "docker" "start" "-a" "8f85c6b7dcb462a9f1a2993e935b9da31f9aa71260a0223c122a4b6fbd8ef0eb", kill_on_drop: false }` [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.6.22 [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/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] [stderr] Compiling crossbeam-deque v0.8.0 [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] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling plotters-backend v0.3.0 [INFO] [stderr] Compiling predicates-core v1.0.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling plotters-svg v0.3.0 [INFO] [stderr] Compiling bstr v0.2.15 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling predicates-tree v1.0.1 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling predicates v1.0.6 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling assert_cmd v1.0.2 [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 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: `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: `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 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: 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] [stderr] Compiling criterion v0.3.4 [INFO] [stderr] Compiling kvs v0.1.0 (/opt/rustwide/workdir) [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: 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: `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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 33.37s [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 2` [INFO] running `Command { std: "docker" "inspect" "8f85c6b7dcb462a9f1a2993e935b9da31f9aa71260a0223c122a4b6fbd8ef0eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f85c6b7dcb462a9f1a2993e935b9da31f9aa71260a0223c122a4b6fbd8ef0eb", kill_on_drop: false }` [INFO] [stdout] 8f85c6b7dcb462a9f1a2993e935b9da31f9aa71260a0223c122a4b6fbd8ef0eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] dea3185229a2aee0baf4aa7921d2b4a56b398a6b7c1b722d8c5052f4faff43fe [INFO] running `Command { std: "docker" "start" "-a" "dea3185229a2aee0baf4aa7921d2b4a56b398a6b7c1b722d8c5052f4faff43fe", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `File` [INFO] [stderr] --> src/lib.rs:7:28 [INFO] [stderr] | [INFO] [stderr] 7 | use std::fs::{OpenOptions, File}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `join_paths` and `set_current_dir` [INFO] [stderr] --> src/lib.rs:12:16 [INFO] [stderr] | [INFO] [stderr] 12 | use std::env::{set_current_dir, join_paths}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `prelude::*` [INFO] [stderr] --> src/lib.rs:13:15 [INFO] [stderr] | [INFO] [stderr] 13 | use std::io::{prelude::*, Seek, SeekFrom}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:239:13 [INFO] [stderr] | [INFO] [stderr] 239 | let mut deserialised: Vec = serde_json::from_reader(reader).unwrap(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `db_file` [INFO] [stderr] --> src/lib.rs:269:13 [INFO] [stderr] | [INFO] [stderr] 269 | let db_file = fs::File::create(the_path.clone()).unwrap(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_db_file` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `path` is never read [INFO] [stderr] --> src/lib.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 42 | pub struct SledKvsEngine{ [INFO] [stderr] | ------------- field in this struct [INFO] [stderr] 43 | pub sled_db: sled::Db, [INFO] [stderr] 44 | path: String, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | file.read_to_string(&mut buffy); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 138 | let _ = file.read_to_string(&mut buffy); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:192:9 [INFO] [stderr] | [INFO] [stderr] 192 | file.read_to_string(&mut buffy); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 192 | let _ = file.read_to_string(&mut buffy); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:267:9 [INFO] [stderr] | [INFO] [stderr] 267 | fs::create_dir_all(&path); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 267 | let _ = fs::create_dir_all(&path); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `kvs` (lib) generated 9 warnings (run `cargo fix --lib -p kvs` to apply 4 suggestions) [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/bin/kvs-server.rs:6:15 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::{Read, BufReader, BufRead, Error, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/bin/kvs-server.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> src/bin/kvs-server.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/bin/kvs-server.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `temp_dir` [INFO] [stderr] --> src/bin/kvs-server.rs:65:21 [INFO] [stderr] | [INFO] [stderr] 65 | let temp_dir = std::path::Path::new("tmp/foo2.txt").file_name().unwrap(); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_dir` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `store` [INFO] [stderr] --> src/bin/kvs-server.rs:66:25 [INFO] [stderr] | [INFO] [stderr] 66 | let mut store = match engine_func(engine).unwrap() { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/bin/kvs-server.rs:74:29 [INFO] [stderr] | [INFO] [stderr] 74 | let x = reader.consume(received.len()); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/bin/kvs-server.rs:77:33 [INFO] [stderr] | [INFO] [stderr] 77 | ... let x = store.set(deserialized.key.into(), deserialized.value.into()).unwrap(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/bin/kvs-server.rs:96:33 [INFO] [stderr] | [INFO] [stderr] 96 | ... let x = match store.remove(deserialized.key.into()) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `store` [INFO] [stderr] --> src/bin/kvs-server.rs:114:41 [INFO] [stderr] | [INFO] [stderr] 114 | EngineType::SledEng(store) => {unimplemented!()} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_store` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/bin/kvs-server.rs:118:17 [INFO] [stderr] | [INFO] [stderr] 118 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/kvs-server.rs:66:21 [INFO] [stderr] | [INFO] [stderr] 66 | let mut store = match engine_func(engine).unwrap() { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AppSettings`, `ArgMatches`, `Arg`, and `SubCommand` [INFO] [stderr] --> src/bin/kvs.rs:1:28 [INFO] [stderr] | [INFO] [stderr] 1 | use clap::{load_yaml, App, AppSettings, Arg, SubCommand, ArgMatches}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^ ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::PathBuf` [INFO] [stderr] --> src/bin/kvs.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::path::PathBuf; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::panicking` [INFO] [stderr] --> src/bin/kvs.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::thread::panicking; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `anyhow::Error` [INFO] [stderr] --> src/bin/kvs.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use anyhow::Error; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/bin/kvs.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | let key = matches.value_of("KEY").expect("KEY argument missing"); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/bin/kvs.rs:28:17 [INFO] [stderr] | [INFO] [stderr] 28 | let value = matches.value_of("VALUE").expect("VALUE argument missing"); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/bin/kvs.rs:32:16 [INFO] [stderr] | [INFO] [stderr] 32 | let res = match kv_store.remove(key.parse().unwrap()) [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: unused import: `ArgMatches` [INFO] [stderr] --> src/bin/kvs-client.rs:2:34 [INFO] [stderr] | [INFO] [stderr] 2 | use clap::{App, Arg, SubCommand, ArgMatches}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Args` and `args` [INFO] [stderr] --> src/bin/kvs-client.rs:3:16 [INFO] [stderr] | [INFO] [stderr] 3 | use std::env::{args, Args}; [INFO] [stderr] | ^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error as IOError`, `ErrorKind`, and `Read` [INFO] [stderr] --> src/bin/kvs-client.rs:5:15 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{Error as IOError, Write, ErrorKind, Read, BufReader, BufRead}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde::Serialize` [INFO] [stderr] --> src/bin/kvs-client.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use serde::Serialize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `GetStream` [INFO] [stderr] --> src/bin/kvs-client.rs:7:41 [INFO] [stderr] | [INFO] [stderr] 7 | use kvs::shared::messaging::{SetStream, GetStream}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `chrono::Duration` [INFO] [stderr] --> src/bin/kvs-client.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use chrono::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `address` [INFO] [stderr] --> src/bin/kvs-client.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | let address = match matches.subcommand_matches("set"){ [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `val` [INFO] [stderr] --> src/bin/kvs-client.rs:78:14 [INFO] [stderr] | [INFO] [stderr] 78 | Some(val) => { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/bin/kvs-client.rs:81:17 [INFO] [stderr] | [INFO] [stderr] 81 | let key = sub_cmd.value_of("KEY").unwrap(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/bin/kvs-client.rs:87:21 [INFO] [stderr] | [INFO] [stderr] 87 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/bin/kvs-client.rs:119:21 [INFO] [stderr] | [INFO] [stderr] 119 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/bin/kvs-client.rs:153:21 [INFO] [stderr] | [INFO] [stderr] 153 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: `kvs` (bin "kvs-server") generated 12 warnings (run `cargo fix --bin "kvs-server"` to apply 5 suggestions) [INFO] [stderr] warning: `kvs` (bin "kvs") generated 7 warnings (run `cargo fix --bin "kvs"` to apply 4 suggestions) [INFO] [stderr] warning: `kvs` (bin "kvs-client") generated 12 warnings (run `cargo fix --bin "kvs-client"` to apply 6 suggestions) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/kv_store.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/kv_store.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let mut store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/kv_store.rs:117:13 [INFO] [stderr] | [INFO] [stderr] 117 | let mut store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `kvs` (bin "kvs-client" test) generated 12 warnings (12 duplicates) [INFO] [stderr] warning: `kvs` (test "kv_store") generated 3 warnings (run `cargo fix --test "kv_store"` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [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 2` [INFO] [stderr] Running unittests src/bin/kvs-client.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/kvs_client-f19ddc6bc1294889) [INFO] [stderr] Running tests/cli.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cli-a634aa279c44610d) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stderr] version: 0.1.0 [INFO] [stderr] version: 0.1.0 [INFO] [stderr] version: 0.1.0 [INFO] [stdout] test client_cli_invalid_subcommand ... ok [INFO] [stderr] Jun 29 12:40:05.878 INFO Application started, started_at: 2025-06-29 12:40:05.878083321 UTC [INFO] [stderr] Jun 29 12:40:05.894 INFO App Ended, address: 127.0.0.1:4004, Engine: kvs, version: 0.1.0 [INFO] [stderr] Jun 29 12:40:05.880 INFO Application started, started_at: 2025-06-29 12:40:05.877923301 UTC [INFO] [stderr] Jun 29 12:40:05.894 INFO App Ended, address: 127.0.0.1:4002, Engine: sled, version: 0.1.0 [INFO] [stderr] Jun 29 12:40:05.878 INFO Application started, started_at: 2025-06-29 12:40:05.877370011 UTC [INFO] [stderr] Jun 29 12:40:05.895 INFO App Ended, address: 127.0.0.1:4005, Engine: sled, version: 0.1.0 [INFO] [stdout] test client_cli_no_args ... ok [INFO] [stdout] test client_cli_version ... ok [INFO] [stdout] test server_cli_version ... ok [INFO] [stdout] test client_cli_invalid_set ... ok [INFO] [stdout] test client_cli_invalid_get ... ok [INFO] [stdout] test client_cli_invalid_rm ... ok [INFO] [stdout] test cli_log_configuration ... ok [INFO] [stderr] version: 0.1.0 [INFO] [stderr] Jun 29 12:40:06.957 INFO Application started, started_at: 2025-06-29 12:40:06.956134195 UTC [INFO] [stderr] Jun 29 12:40:06.957 INFO App Ended, address: 127.0.0.1:4004, Engine: kvs, version: 0.1.0 [INFO] [stderr] [INFO] [stderr] thread 'main' panicked at src/bin/kvs-server.rs:114:52: [INFO] [stderr] not implemented [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x74acf81ace52 - std::backtrace_rs::backtrace::libunwind::trace::h559918daaaf51ab7 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x74acf81ace52 - std::backtrace_rs::backtrace::trace_unsynchronized::hb04fbcf80d07af8b [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x74acf81ace52 - std::sys::backtrace::_print_fmt::h7c0bbbbfac0065d4 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x74acf81ace52 - ::fmt::hb62c8ed31943daa5 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x74acf81eac53 - core::fmt::rt::Argument::fmt::he5eaa7dd607ed4c9 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x74acf81eac53 - core::fmt::write::h375399f8cb90b45a [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25 [INFO] [stderr] 6: 0x74acf81a95f3 - std::io::default_write_fmt::h5b62fa6c96f0f73d [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x74acf81a95f3 - std::io::Write::write_fmt::h8399aff377841b1f [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x74acf81acca2 - std::sys::backtrace::BacktraceLock::print::ha189c586374f916a [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x74acf81ae2b2 - std::panicking::default_hook::{{closure}}::ha3a26c98ff210e12 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27 [INFO] [stderr] 10: 0x74acf81ae0b5 - std::panicking::default_hook::h8c8a86b4390ab794 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:327:9 [INFO] [stderr] 11: 0x74acf81aec42 - std::panicking::rust_panic_with_hook::hb3b66c2e80efa371 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:833:13 [INFO] [stderr] 12: 0x74acf81ae9c6 - std::panicking::begin_panic_handler::{{closure}}::h9c68d0f839e62070 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:699:13 [INFO] [stderr] 13: 0x74acf81ad359 - std::sys::backtrace::__rust_end_short_backtrace::h68d22ddde4a73ad6 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18 [INFO] [stderr] 14: 0x74acf81ae68d - __rustc[f4ffc7196a45a630]::rust_begin_unwind [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5 [INFO] [stderr] 15: 0x74acf7e5a140 - core::panicking::panic_fmt::h8cdd4c81eb9069aa [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x74acf7e5a1cc - core::panicking::panic::hd54a104e9b8d4d02 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:145:5 [INFO] [stderr] 17: 0x74acf7e6f5ec - kvs_server::main::h029f4050c93b1208 [INFO] [stderr] at /opt/rustwide/workdir/src/bin/kvs-server.rs:114:52 [INFO] [stderr] 18: 0x74acf7e6c5cb - core::ops::function::FnOnce::call_once::hb35299decf9b756a [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 19: 0x74acf7e74e4e - std::sys::backtrace::__rust_begin_short_backtrace::hfdecf907f2587a12 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18 [INFO] [stderr] 20: 0x74acf7e6b591 - std::rt::lang_start::{{closure}}::h78b1e6c33b7fb28e [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:206:18 [INFO] [stderr] 21: 0x74acf81a2ac0 - core::ops::function::impls:: for &F>::call_once::hdfb190d44b7cc8d5 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:284:21 [INFO] [stderr] 22: 0x74acf81a2ac0 - std::panicking::catch_unwind::do_call::hf707d88c4535a61d [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stderr] 23: 0x74acf81a2ac0 - std::panicking::catch_unwind::h2c6cb0f89e4bd214 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stderr] 24: 0x74acf81a2ac0 - std::panic::catch_unwind::h129c667ad116de0b [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stderr] 25: 0x74acf81a2ac0 - std::rt::lang_start_internal::{{closure}}::h179d5769c8aa66f1 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:175:24 [INFO] [stderr] 26: 0x74acf81a2ac0 - std::panicking::catch_unwind::do_call::he9fe4b6913e10a08 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stderr] 27: 0x74acf81a2ac0 - std::panicking::catch_unwind::hf0646b68d73b6658 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stderr] 28: 0x74acf81a2ac0 - std::panic::catch_unwind::hf06d647f30596483 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stderr] 29: 0x74acf81a2ac0 - std::rt::lang_start_internal::hf3f8e012fdc77af0 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:171:5 [INFO] [stderr] 30: 0x74acf7e6b577 - std::rt::lang_start::hf3350d264d413ca7 [INFO] [stderr] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/rt.rs:205:5 [INFO] [stderr] 31: 0x74acf7e7054e - main [INFO] [stdout] test cli_access_server_sled_engine ... FAILED [INFO] [stdout] test cli_access_server_kvs_engine ... ok [INFO] [stdout] test cli_wrong_engine has been running for over 60 seconds [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "dea3185229a2aee0baf4aa7921d2b4a56b398a6b7c1b722d8c5052f4faff43fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dea3185229a2aee0baf4aa7921d2b4a56b398a6b7c1b722d8c5052f4faff43fe", kill_on_drop: false }` [INFO] [stdout] dea3185229a2aee0baf4aa7921d2b4a56b398a6b7c1b722d8c5052f4faff43fe