[INFO] cloning repository https://github.com/qw4990/kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qw4990/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqw4990%2Fkvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqw4990%2Fkvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c976d535c960094d41ab588ed0217fe4b4efeb2d
[INFO] testing qw4990/kvs against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqw4990%2Fkvs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qw4990/kvs on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qw4990/kvs
[INFO] finished tweaking git repo https://github.com/qw4990/kvs
[INFO] tweaked toml for git repo https://github.com/qw4990/kvs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/qw4990/kvs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded tinytemplate v1.0.2
[INFO] [stderr]   Downloaded csv v1.0.7
[INFO] [stderr]   Downloaded backtrace v0.3.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 717e40d45c64b717b6495279f39939a59e687e9c8519fb43f563fc610ecd0090
[INFO] running `Command { std: "docker" "start" "-a" "717e40d45c64b717b6495279f39939a59e687e9c8519fb43f563fc610ecd0090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "717e40d45c64b717b6495279f39939a59e687e9c8519fb43f563fc610ecd0090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717e40d45c64b717b6495279f39939a59e687e9c8519fb43f563fc610ecd0090", kill_on_drop: false }`
[INFO] [stdout] 717e40d45c64b717b6495279f39939a59e687e9c8519fb43f563fc610ecd0090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44be44e6239621cf1c2dc890dee6c0f26cc8a02a5af924ba270982885fc1e313
[INFO] running `Command { std: "docker" "start" "-a" "44be44e6239621cf1c2dc890dee6c0f26cc8a02a5af924ba270982885fc1e313", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::ErrorKind`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use clap::ErrorKind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path`
[INFO] [stdout]  --> src/bin/kvs-client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KvStore`, `KvsEngine`, `KvsError`
[INFO] [stdout]   --> src/bin/kvs-client.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use kvs::{KvsCmd, KvsEngine, KvsError, KvsResp, KvStore, Result};
[INFO] [stdout]    |                   ^^^^^^^^^  ^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resp`
[INFO] [stdout]   --> src/bin/kvs-client.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let resp = request(db_stream, &KvsCmd::Set { key, val })?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resp`
[INFO] [stdout]   --> src/bin/kvs-client.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let resp = request(db_stream, &KvsCmd::Rm { key })?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::Level`
[INFO] [stdout]   --> src/bin/kvs-server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::Level;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/bin/kvs-server.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KvsError`
[INFO] [stdout]   --> src/bin/kvs-server.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 | use kvs::{KvsCmd, KvsEngine, KvsError, KvStore, Result};
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/kvs-server.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 _ => {
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.89s
[INFO] running `Command { std: "docker" "inspect" "44be44e6239621cf1c2dc890dee6c0f26cc8a02a5af924ba270982885fc1e313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44be44e6239621cf1c2dc890dee6c0f26cc8a02a5af924ba270982885fc1e313", kill_on_drop: false }`
[INFO] [stdout] 44be44e6239621cf1c2dc890dee6c0f26cc8a02a5af924ba270982885fc1e313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc6f6d81150ff19afd0aeac5a57deed0b7282ff1f212020ed23d48c75f0c6e5
[INFO] running `Command { std: "docker" "start" "-a" "8bc6f6d81150ff19afd0aeac5a57deed0b7282ff1f212020ed23d48c75f0c6e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.2.2
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[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 itertools v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stdout] warning: unused import: `clap::ErrorKind`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use clap::ErrorKind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::Level`
[INFO] [stdout]   --> src/bin/kvs-server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::Level;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/bin/kvs-server.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KvsError`
[INFO] [stdout]   --> src/bin/kvs-server.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 | use kvs::{KvsCmd, KvsEngine, KvsError, KvStore, Result};
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/kvs-server.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 _ => {
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path`
[INFO] [stdout]  --> src/bin/kvs-client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KvStore`, `KvsEngine`, `KvsError`
[INFO] [stdout]   --> src/bin/kvs-client.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use kvs::{KvsCmd, KvsEngine, KvsError, KvsResp, KvStore, Result};
[INFO] [stdout]    |                   ^^^^^^^^^  ^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resp`
[INFO] [stdout]   --> src/bin/kvs-client.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let resp = request(db_stream, &KvsCmd::Set { key, val })?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resp`
[INFO] [stdout]   --> src/bin/kvs-client.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let resp = request(db_stream, &KvsCmd::Rm { key })?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling predicates v1.0.1
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path`
[INFO] [stdout]  --> src/bin/kvs-client.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KvStore`, `KvsEngine`, `KvsError`
[INFO] [stdout]   --> src/bin/kvs-client.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use kvs::{KvsCmd, KvsEngine, KvsError, KvsResp, KvStore, Result};
[INFO] [stdout]    |                   ^^^^^^^^^  ^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resp`
[INFO] [stdout]   --> src/bin/kvs-client.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let resp = request(db_stream, &KvsCmd::Set { key, val })?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resp`
[INFO] [stdout]   --> src/bin/kvs-client.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let resp = request(db_stream, &KvsCmd::Rm { key })?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::Level`
[INFO] [stdout]   --> src/bin/kvs-server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use log::Level;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> src/bin/kvs-server.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KvsError`
[INFO] [stdout]   --> src/bin/kvs-server.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 | use kvs::{KvsCmd, KvsEngine, KvsError, KvStore, Result};
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::ErrorKind`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use clap::ErrorKind;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/kvs-server.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 _ => {
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.59s
[INFO] running `Command { std: "docker" "inspect" "8bc6f6d81150ff19afd0aeac5a57deed0b7282ff1f212020ed23d48c75f0c6e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc6f6d81150ff19afd0aeac5a57deed0b7282ff1f212020ed23d48c75f0c6e5", kill_on_drop: false }`
[INFO] [stdout] 8bc6f6d81150ff19afd0aeac5a57deed0b7282ff1f212020ed23d48c75f0c6e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 438efc6a24057b29c953bcb527b415267f14a4973ddc6cf9d355bfc6f856e0d8
[INFO] running `Command { std: "docker" "start" "-a" "438efc6a24057b29c953bcb527b415267f14a4973ddc6cf9d355bfc6f856e0d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::result`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::result;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clap::ErrorKind`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use clap::ErrorKind;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::Level`
[INFO] [stderr]   --> src/bin/kvs-server.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use log::Level;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> src/bin/kvs-server.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use serde::{Deserialize, Serialize};
[INFO] [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KvsError`
[INFO] [stderr]   --> src/bin/kvs-server.rs:17:30
[INFO] [stderr]    |
[INFO] [stderr] 17 | use kvs::{KvsCmd, KvsEngine, KvsError, KvStore, Result};
[INFO] [stderr]    |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/bin/kvs-server.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 _ => {
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]  --> src/bin/kvs-client.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `KvStore`, `KvsEngine`, `KvsError`
[INFO] [stderr]   --> src/bin/kvs-client.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 | use kvs::{KvsCmd, KvsEngine, KvsError, KvsResp, KvStore, Result};
[INFO] [stderr]    |                   ^^^^^^^^^  ^^^^^^^^           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `resp`
[INFO] [stderr]   --> src/bin/kvs-client.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let resp = request(db_stream, &KvsCmd::Set { key, val })?;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `resp`
[INFO] [stderr]   --> src/bin/kvs-client.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let resp = request(db_stream, &KvsCmd::Rm { key })?;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]  --> src/bin/kvs-client.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `KvStore`, `KvsEngine`, `KvsError`
[INFO] [stderr]   --> src/bin/kvs-client.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 | use kvs::{KvsCmd, KvsEngine, KvsError, KvsResp, KvStore, Result};
[INFO] [stderr]    |                   ^^^^^^^^^  ^^^^^^^^           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `resp`
[INFO] [stderr]   --> src/bin/kvs-client.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let resp = request(db_stream, &KvsCmd::Set { key, val })?;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `resp`
[INFO] [stderr]   --> src/bin/kvs-client.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let resp = request(db_stream, &KvsCmd::Rm { key })?;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_resp`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::result`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::result;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clap::ErrorKind`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use clap::ErrorKind;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::Level`
[INFO] [stderr]   --> src/bin/kvs-server.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use log::Level;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> src/bin/kvs-server.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use serde::{Deserialize, Serialize};
[INFO] [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KvsError`
[INFO] [stderr]   --> src/bin/kvs-server.rs:17:30
[INFO] [stderr]    |
[INFO] [stderr] 17 | use kvs::{KvsCmd, KvsEngine, KvsError, KvStore, Result};
[INFO] [stderr]    |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/bin/kvs-server.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 _ => {
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kvs-49e714567bb51a78)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kvs_client-85177747e2f04f05)
[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 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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kvs_server-a1fd58d36aca559a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-b8c41cfe87c24e76)
[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] [stderr] [2021-07-20T05:34:19Z ERROR kvs_server] servr starting...
[INFO] [stdout] 
[INFO] [stderr] [2021-07-20T05:34:19Z ERROR kvs_server] Version: "0.1.0", Addr: "127.0.0.1:4005", Engine: "sled"
[INFO] [stdout] running 11 tests
[INFO] [stderr] [2021-07-20T05:34:19Z ERROR kvs_server] servr starting...
[INFO] [stderr] [2021-07-20T05:34:19Z ERROR kvs_server] Version: "0.1.0", Addr: "127.0.0.1:4004", Engine: "kvs"
[INFO] [stdout] test client_cli_no_args ... ok
[INFO] [stderr] [2021-07-20T05:34:19Z ERROR kvs_server] servr starting...
[INFO] [stderr] [2021-07-20T05:34:19Z ERROR kvs_server] Version: "0.1.0", Addr: "127.0.0.1:4002", Engine: "sled"
[INFO] [stdout] test server_cli_version ... ok
[INFO] [stdout] test client_cli_version ... ok
[INFO] [stdout] test client_cli_invalid_subcommand ... 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] [stdout] test cli_access_server_sled_engine ... FAILED
[INFO] [stdout] test cli_access_server_kvs_engine ... FAILED
[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" "438efc6a24057b29c953bcb527b415267f14a4973ddc6cf9d355bfc6f856e0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438efc6a24057b29c953bcb527b415267f14a4973ddc6cf9d355bfc6f856e0d8", kill_on_drop: false }`
[INFO] [stdout] 438efc6a24057b29c953bcb527b415267f14a4973ddc6cf9d355bfc6f856e0d8