[INFO] cloning repository https://github.com/yijun-tang/rredis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yijun-tang/rredis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyijun-tang%2Frredis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyijun-tang%2Frredis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c81c34c26d506ce748993bc48db710c318b68c14
[INFO] checking yijun-tang/rredis against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyijun-tang%2Frredis" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yijun-tang/rredis
[INFO] finished tweaking git repo https://github.com/yijun-tang/rredis
[INFO] tweaked toml for git repo https://github.com/yijun-tang/rredis written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yijun-tang/rredis on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yijun-tang/rredis 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded windows-targets v0.52.5
[INFO] [stderr]   Downloaded lzf v1.0.0
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded getrandom v0.2.14
[INFO] [stderr]   Downloaded android-tzdata v0.1.1
[INFO] [stderr]   Downloaded autocfg v1.2.0
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.92
[INFO] [stderr]   Downloaded proc-macro2 v1.0.81
[INFO] [stderr]   Downloaded iana-time-zone v0.1.60
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.92
[INFO] [stderr]   Downloaded android_system_properties v0.1.5
[INFO] [stderr]   Downloaded js-sys v0.3.69
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.92
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.6
[INFO] [stderr]   Downloaded cc v1.0.95
[INFO] [stderr]   Downloaded bumpalo v3.16.0
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded windows-core v0.52.0
[INFO] [stderr]   Downloaded log v0.4.21
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.92
[INFO] [stderr]   Downloaded chrono v0.4.38
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded syn v2.0.60
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.5
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.5
[INFO] [stderr]   Downloaded windows_i686_gnullvm v0.52.5
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.5
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.5
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.5
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.5
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f19f9d3273c85b05f152ee1cd9fc8dba9b245416a639b7194c492f3d93164618
[INFO] running `Command { std: "docker" "start" "-a" "f19f9d3273c85b05f152ee1cd9fc8dba9b245416a639b7194c492f3d93164618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f19f9d3273c85b05f152ee1cd9fc8dba9b245416a639b7194c492f3d93164618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19f9d3273c85b05f152ee1cd9fc8dba9b245416a639b7194c492f3d93164618", kill_on_drop: false }`
[INFO] [stdout] f19f9d3273c85b05f152ee1cd9fc8dba9b245416a639b7194c492f3d93164618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8f89638e2fe478341a49caff0f14f44e2ba42e3ede527d078c1b364095fef33
[INFO] running `Command { std: "docker" "start" "-a" "b8f89638e2fe478341a49caff0f14f44e2ba42e3ede527d078c1b364095fef33", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking lzf v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking rudis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip_bits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ip_bits` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip_bits)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip_bits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ip_bits` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip_bits)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/handler.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn server_cron(id: u128, client_data: Option<Arc<dyn Any + Sync + Send>>) -> i32 {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_data`
[INFO] [stdout]   --> src/handler.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn server_cron(id: u128, client_data: Option<Arc<dyn Any + Sync + Send>>) -> i32 {
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pid` is never read
[INFO] [stdout]   --> src/handler.rs:76:30
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut pid: pid_t = 0;
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/handler.rs:211:32
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn accept_handler(fd: i32, mask: Mask) {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/handler.rs:250:38
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub fn send_reply_to_client(fd: i32, mask: Mask) {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/handler.rs:301:48
[INFO] [stdout]     |
[INFO] [stdout] 301 |                     StringStorageType::Integer(n) => {},
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `obj_len` is never read
[INFO] [stdout]    --> src/handler.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 |     let mut obj_len: usize = 0;
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n_written` is never read
[INFO] [stdout]    --> src/handler.rs:310:13
[INFO] [stdout]     |
[INFO] [stdout] 310 |             n_written = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nread` is never read
[INFO] [stdout]    --> src/handler.rs:335:21
[INFO] [stdout]     |
[INFO] [stdout] 335 |     let mut nread = 0isize;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bulk` is never read
[INFO] [stdout]    --> src/client.rs:246:32
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 let mut bulk = String::new();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `name` is never read
[INFO] [stdout]    --> src/client.rs:293:24
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let mut name = String::new();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/cmd.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn exec_command(c: &mut RedisClient) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/cmd.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub fn discard_command(c: &mut RedisClient) {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `key` is never read
[INFO] [stdout]    --> src/cmd.rs:266:35
[INFO] [stdout]     |
[INFO] [stdout] 266 |     let mut key: Option<String> = None;
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `seconds` is never read
[INFO] [stdout]    --> src/cmd.rs:326:23
[INFO] [stdout]     |
[INFO] [stdout] 326 |     let mut seconds = 0i64;
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `id` is never read
[INFO] [stdout]    --> src/cmd.rs:371:18
[INFO] [stdout]     |
[INFO] [stdout] 371 |     let mut id = 0;
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dst_id` is never read
[INFO] [stdout]    --> src/cmd.rs:388:22
[INFO] [stdout]     |
[INFO] [stdout] 388 |     let mut dst_id = 0;
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `obj` is never read
[INFO] [stdout]    --> src/cmd.rs:413:53
[INFO] [stdout]     |
[INFO] [stdout] 413 |     let mut obj: Option<Arc<RwLock<RedisObject>>> = None;
[INFO] [stdout]     |                                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]    --> src/cmd.rs:666:19
[INFO] [stdout]     |
[INFO] [stdout] 666 |     let mut len = 0usize;
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start` is never read
[INFO] [stdout]    --> src/cmd.rs:755:21
[INFO] [stdout]     |
[INFO] [stdout] 755 |     let mut start = 0;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]    --> src/cmd.rs:756:19
[INFO] [stdout]     |
[INFO] [stdout] 756 |     let mut end = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start` is never read
[INFO] [stdout]    --> src/cmd.rs:805:21
[INFO] [stdout]     |
[INFO] [stdout] 805 |     let mut start = 0;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]    --> src/cmd.rs:806:19
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut end = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ltrim` is never read
[INFO] [stdout]    --> src/cmd.rs:823:37
[INFO] [stdout]     |
[INFO] [stdout] 823 |                     let mut ltrim = 0usize;
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rtrim` is never read
[INFO] [stdout]    --> src/cmd.rs:824:37
[INFO] [stdout]     |
[INFO] [stdout] 824 |                     let mut rtrim = 0usize;
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]    --> src/cmd.rs:854:21
[INFO] [stdout]     |
[INFO] [stdout] 854 |     let mut index = 0;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]    --> src/cmd.rs:883:21
[INFO] [stdout]     |
[INFO] [stdout] 883 |     let mut index = 0;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `to_remove` is never read
[INFO] [stdout]    --> src/cmd.rs:916:25
[INFO] [stdout]     |
[INFO] [stdout] 916 |     let mut to_remove = 0;
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `set` is never read
[INFO] [stdout]     --> src/cmd.rs:1057:53
[INFO] [stdout]      |
[INFO] [stdout] 1057 |     let mut set: Option<Arc<RwLock<RedisObject>>> = None;
[INFO] [stdout]      |                                                     ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]     --> src/cmd.rs:1282:17
[INFO] [stdout]      |
[INFO] [stdout] 1282 |     let mut j = 0usize;
[INFO] [stdout]      |                 ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `score` is never read
[INFO] [stdout]     --> src/cmd.rs:1429:21
[INFO] [stdout]      |
[INFO] [stdout] 1429 |     let mut score = 0f64;
[INFO] [stdout]      |                     ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `incr` is never read
[INFO] [stdout]     --> src/cmd.rs:1522:20
[INFO] [stdout]      |
[INFO] [stdout] 1522 |     let mut incr = 0f64;
[INFO] [stdout]      |                    ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/handler.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn server_cron(id: u128, client_data: Option<Arc<dyn Any + Sync + Send>>) -> i32 {
[INFO] [stdout]    |                    ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client_data`
[INFO] [stdout]   --> src/handler.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn server_cron(id: u128, client_data: Option<Arc<dyn Any + Sync + Send>>) -> i32 {
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pid` is never read
[INFO] [stdout]   --> src/handler.rs:76:30
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut pid: pid_t = 0;
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start` is never read
[INFO] [stdout]     --> src/cmd.rs:1545:21
[INFO] [stdout]      |
[INFO] [stdout] 1545 |     let mut start = 0i32;
[INFO] [stdout]      |                     ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]     --> src/cmd.rs:1546:19
[INFO] [stdout]      |
[INFO] [stdout] 1546 |     let mut end = 0i32;
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/handler.rs:211:32
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn accept_handler(fd: i32, mask: Mask) {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min` is never read
[INFO] [stdout]     --> src/cmd.rs:1622:19
[INFO] [stdout]      |
[INFO] [stdout] 1622 |     let mut min = 0f64;
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/handler.rs:250:38
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub fn send_reply_to_client(fd: i32, mask: Mask) {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max` is never read
[INFO] [stdout]     --> src/cmd.rs:1623:19
[INFO] [stdout]      |
[INFO] [stdout] 1623 |     let mut max = 0f64;
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/handler.rs:301:48
[INFO] [stdout]     |
[INFO] [stdout] 301 |                     StringStorageType::Integer(n) => {},
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `obj_len` is never read
[INFO] [stdout]    --> src/handler.rs:259:30
[INFO] [stdout]     |
[INFO] [stdout] 259 |     let mut obj_len: usize = 0;
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n_written` is never read
[INFO] [stdout]    --> src/handler.rs:310:13
[INFO] [stdout]     |
[INFO] [stdout] 310 |             n_written = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nread` is never read
[INFO] [stdout]    --> src/handler.rs:335:21
[INFO] [stdout]     |
[INFO] [stdout] 335 |     let mut nread = 0isize;
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min` is never read
[INFO] [stdout]     --> src/cmd.rs:1751:19
[INFO] [stdout]      |
[INFO] [stdout] 1751 |     let mut min = 0f64;
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max` is never read
[INFO] [stdout]     --> src/cmd.rs:1752:19
[INFO] [stdout]      |
[INFO] [stdout] 1752 |     let mut max = 0f64;
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/cmd.rs:1880:17
[INFO] [stdout]      |
[INFO] [stdout] 1880 | fn info_command(c: &mut RedisClient) {
[INFO] [stdout]      |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/cmd.rs:1884:20
[INFO] [stdout]      |
[INFO] [stdout] 1884 | fn monitor_command(c: &mut RedisClient) {
[INFO] [stdout]      |                    ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/cmd.rs:1888:20
[INFO] [stdout]      |
[INFO] [stdout] 1888 | fn slaveof_command(c: &mut RedisClient) {
[INFO] [stdout]      |                    ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bulk` is never read
[INFO] [stdout]    --> src/client.rs:246:32
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 let mut bulk = String::new();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `name` is never read
[INFO] [stdout]    --> src/client.rs:293:24
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let mut name = String::new();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/cmd.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn exec_command(c: &mut RedisClient) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/cmd.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub fn discard_command(c: &mut RedisClient) {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]    --> src/obj.rs:561:27
[INFO] [stdout]     |
[INFO] [stdout] 561 | pub fn try_object_sharing(obj: Arc<RwLock<RedisObject>>) {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `key` is never read
[INFO] [stdout]    --> src/cmd.rs:266:35
[INFO] [stdout]     |
[INFO] [stdout] 266 |     let mut key: Option<String> = None;
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `seconds` is never read
[INFO] [stdout]    --> src/cmd.rs:326:23
[INFO] [stdout]     |
[INFO] [stdout] 326 |     let mut seconds = 0i64;
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `id` is never read
[INFO] [stdout]    --> src/cmd.rs:371:18
[INFO] [stdout]     |
[INFO] [stdout] 371 |     let mut id = 0;
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `dst_id` is never read
[INFO] [stdout]    --> src/cmd.rs:388:22
[INFO] [stdout]     |
[INFO] [stdout] 388 |     let mut dst_id = 0;
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `obj` is never read
[INFO] [stdout]    --> src/cmd.rs:413:53
[INFO] [stdout]     |
[INFO] [stdout] 413 |     let mut obj: Option<Arc<RwLock<RedisObject>>> = None;
[INFO] [stdout]     |                                                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]    --> src/cmd.rs:666:19
[INFO] [stdout]     |
[INFO] [stdout] 666 |     let mut len = 0usize;
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start` is never read
[INFO] [stdout]    --> src/cmd.rs:755:21
[INFO] [stdout]     |
[INFO] [stdout] 755 |     let mut start = 0;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]    --> src/cmd.rs:756:19
[INFO] [stdout]     |
[INFO] [stdout] 756 |     let mut end = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start` is never read
[INFO] [stdout]    --> src/cmd.rs:805:21
[INFO] [stdout]     |
[INFO] [stdout] 805 |     let mut start = 0;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]    --> src/cmd.rs:806:19
[INFO] [stdout]     |
[INFO] [stdout] 806 |     let mut end = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ltrim` is never read
[INFO] [stdout]    --> src/cmd.rs:823:37
[INFO] [stdout]     |
[INFO] [stdout] 823 |                     let mut ltrim = 0usize;
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rtrim` is never read
[INFO] [stdout]    --> src/cmd.rs:824:37
[INFO] [stdout]     |
[INFO] [stdout] 824 |                     let mut rtrim = 0usize;
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]    --> src/cmd.rs:854:21
[INFO] [stdout]     |
[INFO] [stdout] 854 |     let mut index = 0;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]    --> src/cmd.rs:883:21
[INFO] [stdout]     |
[INFO] [stdout] 883 |     let mut index = 0;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `to_remove` is never read
[INFO] [stdout]    --> src/cmd.rs:916:25
[INFO] [stdout]     |
[INFO] [stdout] 916 |     let mut to_remove = 0;
[INFO] [stdout]     |                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `set` is never read
[INFO] [stdout]     --> src/cmd.rs:1057:53
[INFO] [stdout]      |
[INFO] [stdout] 1057 |     let mut set: Option<Arc<RwLock<RedisObject>>> = None;
[INFO] [stdout]      |                                                     ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]     --> src/cmd.rs:1282:17
[INFO] [stdout]      |
[INFO] [stdout] 1282 |     let mut j = 0usize;
[INFO] [stdout]      |                 ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `score` is never read
[INFO] [stdout]     --> src/cmd.rs:1429:21
[INFO] [stdout]      |
[INFO] [stdout] 1429 |     let mut score = 0f64;
[INFO] [stdout]      |                     ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rudis` (lib) due to 1 previous error; 43 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `incr` is never read
[INFO] [stdout]     --> src/cmd.rs:1522:20
[INFO] [stdout]      |
[INFO] [stdout] 1522 |     let mut incr = 0f64;
[INFO] [stdout]      |                    ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `start` is never read
[INFO] [stdout]     --> src/cmd.rs:1545:21
[INFO] [stdout]      |
[INFO] [stdout] 1545 |     let mut start = 0i32;
[INFO] [stdout]      |                     ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]     --> src/cmd.rs:1546:19
[INFO] [stdout]      |
[INFO] [stdout] 1546 |     let mut end = 0i32;
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min` is never read
[INFO] [stdout]     --> src/cmd.rs:1622:19
[INFO] [stdout]      |
[INFO] [stdout] 1622 |     let mut min = 0f64;
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max` is never read
[INFO] [stdout]     --> src/cmd.rs:1623:19
[INFO] [stdout]      |
[INFO] [stdout] 1623 |     let mut max = 0f64;
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min` is never read
[INFO] [stdout]     --> src/cmd.rs:1751:19
[INFO] [stdout]      |
[INFO] [stdout] 1751 |     let mut min = 0f64;
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max` is never read
[INFO] [stdout]     --> src/cmd.rs:1752:19
[INFO] [stdout]      |
[INFO] [stdout] 1752 |     let mut max = 0f64;
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/cmd.rs:1880:17
[INFO] [stdout]      |
[INFO] [stdout] 1880 | fn info_command(c: &mut RedisClient) {
[INFO] [stdout]      |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/cmd.rs:1884:20
[INFO] [stdout]      |
[INFO] [stdout] 1884 | fn monitor_command(c: &mut RedisClient) {
[INFO] [stdout]      |                    ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]     --> src/cmd.rs:1888:20
[INFO] [stdout]      |
[INFO] [stdout] 1888 | fn slaveof_command(c: &mut RedisClient) {
[INFO] [stdout]      |                    ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]    --> src/obj.rs:561:27
[INFO] [stdout]     |
[INFO] [stdout] 561 | pub fn try_object_sharing(obj: Arc<RwLock<RedisObject>>) {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rudis` (lib test) due to 1 previous error; 43 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b8f89638e2fe478341a49caff0f14f44e2ba42e3ede527d078c1b364095fef33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f89638e2fe478341a49caff0f14f44e2ba42e3ede527d078c1b364095fef33", kill_on_drop: false }`
[INFO] [stdout] b8f89638e2fe478341a49caff0f14f44e2ba42e3ede527d078c1b364095fef33
