[INFO] cloning repository https://github.com/Aiwa-Misaki/PNA_proj1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aiwa-Misaki/PNA_proj1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiwa-Misaki%2FPNA_proj1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiwa-Misaki%2FPNA_proj1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0241c43b04565a9e79132330f2757df42e1b19a
[INFO] building Aiwa-Misaki/PNA_proj1 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiwa-Misaki%2FPNA_proj1" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aiwa-Misaki/PNA_proj1 on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aiwa-Misaki/PNA_proj1
[INFO] finished tweaking git repo https://github.com/Aiwa-Misaki/PNA_proj1
[INFO] tweaked toml for git repo https://github.com/Aiwa-Misaki/PNA_proj1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Aiwa-Misaki/PNA_proj1 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60c84b14c3e2cc6d12f7075056af74152fc7351d781266de9915b20964e34dbe
[INFO] running `Command { std: "docker" "start" "-a" "60c84b14c3e2cc6d12f7075056af74152fc7351d781266de9915b20964e34dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60c84b14c3e2cc6d12f7075056af74152fc7351d781266de9915b20964e34dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c84b14c3e2cc6d12f7075056af74152fc7351d781266de9915b20964e34dbe", kill_on_drop: false }`
[INFO] [stdout] 60c84b14c3e2cc6d12f7075056af74152fc7351d781266de9915b20964e34dbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdddf792e6409d90bfc9d5ac72637901a863ae4fe8ffedaaf09f959297a078e8
[INFO] running `Command { std: "docker" "start" "-a" "fdddf792e6409d90bfc9d5ac72637901a863ae4fe8ffedaaf09f959297a078e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.93
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             panic!();
[INFO] [stdout]    |             -------- any code following this expression is unreachable
[INFO] [stdout] 35 |             let key = sub_matches.get_one::<String>("KEY").unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             panic!();
[INFO] [stdout]    |             -------- any code following this expression is unreachable
[INFO] [stdout] 42 |             let key = sub_matches.get_one::<String>("KEY").unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             panic!();
[INFO] [stdout]    |             -------- any code following this expression is unreachable
[INFO] [stdout] 48 |             let key = sub_matches.get_one::<String>("KEY").unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kv`
[INFO] [stdout]  --> src/bin/kvs_deprecated.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut kv = KvStore::new();
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(("set", sub_matches)) => {
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Some(("get", sub_matches)) => {
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         Some(("rm", sub_matches)) => {
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/kvs_deprecated.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut kv = KvStore::new();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.25s
[INFO] running `Command { std: "docker" "inspect" "fdddf792e6409d90bfc9d5ac72637901a863ae4fe8ffedaaf09f959297a078e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdddf792e6409d90bfc9d5ac72637901a863ae4fe8ffedaaf09f959297a078e8", kill_on_drop: false }`
[INFO] [stdout] fdddf792e6409d90bfc9d5ac72637901a863ae4fe8ffedaaf09f959297a078e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abba6a06ba86a8f7b788b78fc6ed824420fb72a27e5f9257104bba17ba2e5024
[INFO] running `Command { std: "docker" "start" "-a" "abba6a06ba86a8f7b788b78fc6ed824420fb72a27e5f9257104bba17ba2e5024", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             panic!();
[INFO] [stdout]    |             -------- any code following this expression is unreachable
[INFO] [stdout] 35 |             let key = sub_matches.get_one::<String>("KEY").unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             panic!();
[INFO] [stdout]    |             -------- any code following this expression is unreachable
[INFO] [stdout] 42 |             let key = sub_matches.get_one::<String>("KEY").unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             panic!();
[INFO] [stdout]    |             -------- any code following this expression is unreachable
[INFO] [stdout] 48 |             let key = sub_matches.get_one::<String>("KEY").unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kv`
[INFO] [stdout]  --> src/bin/kvs_deprecated.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut kv = KvStore::new();
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(("set", sub_matches)) => {
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Some(("get", sub_matches)) => {
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         Some(("rm", sub_matches)) => {
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/kvs_deprecated.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut kv = KvStore::new();
[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] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             panic!();
[INFO] [stdout]    |             -------- any code following this expression is unreachable
[INFO] [stdout] 35 |             let key = sub_matches.get_one::<String>("KEY").unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |             panic!();
[INFO] [stdout]    |             -------- any code following this expression is unreachable
[INFO] [stdout] 42 |             let key = sub_matches.get_one::<String>("KEY").unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             panic!();
[INFO] [stdout]    |             -------- any code following this expression is unreachable
[INFO] [stdout] 48 |             let key = sub_matches.get_one::<String>("KEY").unwrap().clone();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kv`
[INFO] [stdout]  --> src/bin/kvs_deprecated.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut kv = KvStore::new();
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_kv`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(("set", sub_matches)) => {
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Some(("get", sub_matches)) => {
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/bin/kvs_deprecated.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         Some(("rm", sub_matches)) => {
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/kvs_deprecated.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut kv = KvStore::new();
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.07s
[INFO] running `Command { std: "docker" "inspect" "abba6a06ba86a8f7b788b78fc6ed824420fb72a27e5f9257104bba17ba2e5024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abba6a06ba86a8f7b788b78fc6ed824420fb72a27e5f9257104bba17ba2e5024", kill_on_drop: false }`
[INFO] [stdout] abba6a06ba86a8f7b788b78fc6ed824420fb72a27e5f9257104bba17ba2e5024
