[INFO] cloning repository https://github.com/wwwbjqcom/mysqlMP-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wwwbjqcom/mysqlMP-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwwwbjqcom%2FmysqlMP-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwwwbjqcom%2FmysqlMP-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd024b6e4dbeed3a55c53644e0517dbd5f73735b
[INFO] testing wwwbjqcom/mysqlMP-client against 1.52.1 for beta-1.52-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwwwbjqcom%2FmysqlMP-client" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wwwbjqcom/mysqlMP-client on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wwwbjqcom/mysqlMP-client
[INFO] finished tweaking git repo https://github.com/wwwbjqcom/mysqlMP-client
[INFO] tweaked toml for git repo https://github.com/wwwbjqcom/mysqlMP-client written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/wwwbjqcom/mysqlMP-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d03a55543b6013218239ae0a48dd298bbb45015c4a39978fb97561b2d0784940
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d03a55543b6013218239ae0a48dd298bbb45015c4a39978fb97561b2d0784940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d03a55543b6013218239ae0a48dd298bbb45015c4a39978fb97561b2d0784940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03a55543b6013218239ae0a48dd298bbb45015c4a39978fb97561b2d0784940", kill_on_drop: false }`
[INFO] [stdout] d03a55543b6013218239ae0a48dd298bbb45015c4a39978fb97561b2d0784940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57b5c70db26121af31c1311dc2a33c904f3babec771378c774fa4afd1f069d9e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57b5c70db26121af31c1311dc2a33c904f3babec771378c774fa4afd1f069d9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling rust_decimal v1.6.0
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling mysql_common v0.18.1
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling mymha_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         /// 创建线程池。
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         ///
[INFO] [stdout]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         /// 线程池中线程的数量。
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         ///
[INFO] [stdout]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         /// # Panics
[INFO] [stdout]    |         ^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         ///
[INFO] [stdout]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         /// `new` 函数在 size 为 0 时会 panic。
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         ///创建worker实例
[INFO] [stdout] 39 | |         ///
[INFO] [stdout] 40 | |         /// 一个worker实例对应一个id和未传递任何参数的线程
[INFO] [stdout] 41 | |         ///
[INFO] [stdout] 42 | |         /// id: 线程id
[INFO] [stdout] 43 | |         /// receiver: 接收任务的channel
[INFO] [stdout]    | |_______________________________________^
[INFO] [stdout] 44 | /         let thread = thread::spawn(move ||{
[INFO] [stdout] 45 | |             loop {
[INFO] [stdout] 46 | |                 let msg = receiver.lock().unwrap().recv().unwrap();
[INFO] [stdout] 47 | |                 //println!("Worker {} got a job; executing.", id);
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             }
[INFO] [stdout] 58 | |         });
[INFO] [stdout]    | |___________- rustdoc does not generate documentation for statements
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 | /         ///执行任务
[INFO] [stdout] 93 | |         ///
[INFO] [stdout] 94 | |         /// 通过channel分发任务
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 95 |           let msg = Message::NewJob(Box::new(f));
[INFO] [stdout]    |           --------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/io/connection.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `pack`, `socketio`
[INFO] [stdout]   --> src/io/response.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::io::{scramble, socketio, pack};
[INFO] [stdout]    |                           ^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]   --> src/io/response.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::net::TcpStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::socketio::write_value`
[INFO] [stdout]   --> src/io/response.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::io::socketio::write_value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mysql_common::crypto::encrypt`
[INFO] [stdout]   --> src/io/response.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use mysql_common::crypto::encrypt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `host_info` is never read
[INFO] [stdout]    --> src/lib.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut host_info = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `user_name` is never read
[INFO] [stdout]    --> src/lib.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut user_name = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `password` is never read
[INFO] [stdout]    --> src/lib.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let mut password = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `repl_user` is never read
[INFO] [stdout]    --> src/lib.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut repl_user = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `repl_passwd` is never read
[INFO] [stdout]    --> src/lib.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut repl_passwd = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/mysql/state_check.rs:244:28
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 if let Err(e) = self.set_state_to_default(){
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/mysql/state_check.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `header` is never read
[INFO] [stdout]   --> src/io/socketio.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut header: PacketHeader = PacketHeader { payload: 0, seq_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 `packet_header` is never read
[INFO] [stdout]    --> src/io/response.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let mut packet_header: Vec<u8> = vec![];
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/io/command.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_length` is never read
[INFO] [stdout]    --> src/binlog/parsevalue.rs:302:25
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let mut value_length = 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 `large` is never read
[INFO] [stdout]   --> src/binlog/jsonb.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut large = false;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 09s
[INFO] running `Command { std: "docker" "inspect" "57b5c70db26121af31c1311dc2a33c904f3babec771378c774fa4afd1f069d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b5c70db26121af31c1311dc2a33c904f3babec771378c774fa4afd1f069d9e", kill_on_drop: false }`
[INFO] [stdout] 57b5c70db26121af31c1311dc2a33c904f3babec771378c774fa4afd1f069d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6470f34bb4e05de0dbf570d87004d321f301062ee6db6283457d9542a4e96032
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6470f34bb4e05de0dbf570d87004d321f301062ee6db6283457d9542a4e96032", kill_on_drop: false }`
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         /// 创建线程池。
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         ///
[INFO] [stdout]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         /// 线程池中线程的数量。
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         ///
[INFO] [stdout]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         /// # Panics
[INFO] [stdout]    |         ^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         ///
[INFO] [stdout]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         /// `new` 函数在 size 为 0 时会 panic。
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         ///创建worker实例
[INFO] [stdout] 39 | |         ///
[INFO] [stdout] 40 | |         /// 一个worker实例对应一个id和未传递任何参数的线程
[INFO] [stdout] 41 | |         ///
[INFO] [stdout] 42 | |         /// id: 线程id
[INFO] [stdout] 43 | |         /// receiver: 接收任务的channel
[INFO] [stdout]    | |_______________________________________^
[INFO] [stdout] 44 | /         let thread = thread::spawn(move ||{
[INFO] [stdout] 45 | |             loop {
[INFO] [stdout] 46 | |                 let msg = receiver.lock().unwrap().recv().unwrap();
[INFO] [stdout] 47 | |                 //println!("Worker {} got a job; executing.", id);
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             }
[INFO] [stdout] 58 | |         });
[INFO] [stdout]    | |___________- rustdoc does not generate documentation for statements
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 | /         ///执行任务
[INFO] [stdout] 93 | |         ///
[INFO] [stdout] 94 | |         /// 通过channel分发任务
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 95 |           let msg = Message::NewJob(Box::new(f));
[INFO] [stdout]    |           --------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/io/connection.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `pack`, `socketio`
[INFO] [stdout]   --> src/io/response.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::io::{scramble, socketio, pack};
[INFO] [stdout]    |                           ^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]   --> src/io/response.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::net::TcpStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::socketio::write_value`
[INFO] [stdout]   --> src/io/response.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::io::socketio::write_value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mysql_common::crypto::encrypt`
[INFO] [stdout]   --> src/io/response.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use mysql_common::crypto::encrypt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `host_info` is never read
[INFO] [stdout]    --> src/lib.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut host_info = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `user_name` is never read
[INFO] [stdout]    --> src/lib.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut user_name = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `password` is never read
[INFO] [stdout]    --> src/lib.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let mut password = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `repl_user` is never read
[INFO] [stdout]    --> src/lib.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut repl_user = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `repl_passwd` is never read
[INFO] [stdout]    --> src/lib.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut repl_passwd = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/mysql/state_check.rs:244:28
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 if let Err(e) = self.set_state_to_default(){
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/mysql/state_check.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `header` is never read
[INFO] [stdout]   --> src/io/socketio.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut header: PacketHeader = PacketHeader { payload: 0, seq_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 `packet_header` is never read
[INFO] [stdout]    --> src/io/response.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let mut packet_header: Vec<u8> = vec![];
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/io/command.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_length` is never read
[INFO] [stdout]    --> src/binlog/parsevalue.rs:302:25
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let mut value_length = 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 `large` is never read
[INFO] [stdout]   --> src/binlog/jsonb.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut large = false;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mymha_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         /// 创建线程池。
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         ///
[INFO] [stdout]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         /// 线程池中线程的数量。
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         ///
[INFO] [stdout]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         /// # Panics
[INFO] [stdout]    |         ^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         ///
[INFO] [stdout]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         /// `new` 函数在 size 为 0 时会 panic。
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         ///创建worker实例
[INFO] [stdout] 39 | |         ///
[INFO] [stdout] 40 | |         /// 一个worker实例对应一个id和未传递任何参数的线程
[INFO] [stdout] 41 | |         ///
[INFO] [stdout] 42 | |         /// id: 线程id
[INFO] [stdout] 43 | |         /// receiver: 接收任务的channel
[INFO] [stdout]    | |_______________________________________^
[INFO] [stdout] 44 | /         let thread = thread::spawn(move ||{
[INFO] [stdout] 45 | |             loop {
[INFO] [stdout] 46 | |                 let msg = receiver.lock().unwrap().recv().unwrap();
[INFO] [stdout] 47 | |                 //println!("Worker {} got a job; executing.", id);
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             }
[INFO] [stdout] 58 | |         });
[INFO] [stdout]    | |___________- rustdoc does not generate documentation for statements
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/pool.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 | /         ///执行任务
[INFO] [stdout] 93 | |         ///
[INFO] [stdout] 94 | |         /// 通过channel分发任务
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 95 |           let msg = Message::NewJob(Box::new(f));
[INFO] [stdout]    |           --------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/io/connection.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `pack`, `socketio`
[INFO] [stdout]   --> src/io/response.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::io::{scramble, socketio, pack};
[INFO] [stdout]    |                           ^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]   --> src/io/response.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::net::TcpStream;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::io::socketio::write_value`
[INFO] [stdout]   --> src/io/response.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::io::socketio::write_value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mysql_common::crypto::encrypt`
[INFO] [stdout]   --> src/io/response.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use mysql_common::crypto::encrypt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `host_info` is never read
[INFO] [stdout]    --> src/lib.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let mut host_info = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `user_name` is never read
[INFO] [stdout]    --> src/lib.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut user_name = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `password` is never read
[INFO] [stdout]    --> src/lib.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let mut password = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `repl_user` is never read
[INFO] [stdout]    --> src/lib.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut repl_user = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `repl_passwd` is never read
[INFO] [stdout]    --> src/lib.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut repl_passwd = String::from("");
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/mysql/state_check.rs:244:28
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 if let Err(e) = self.set_state_to_default(){
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/mysql/state_check.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `header` is never read
[INFO] [stdout]   --> src/io/socketio.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut header: PacketHeader = PacketHeader { payload: 0, seq_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 `packet_header` is never read
[INFO] [stdout]    --> src/io/response.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let mut packet_header: Vec<u8> = vec![];
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/io/command.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_length` is never read
[INFO] [stdout]    --> src/binlog/parsevalue.rs:302:25
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let mut value_length = 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 `large` is never read
[INFO] [stdout]   --> src/binlog/jsonb.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut large = false;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "6470f34bb4e05de0dbf570d87004d321f301062ee6db6283457d9542a4e96032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6470f34bb4e05de0dbf570d87004d321f301062ee6db6283457d9542a4e96032", kill_on_drop: false }`
[INFO] [stdout] 6470f34bb4e05de0dbf570d87004d321f301062ee6db6283457d9542a4e96032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 900f6a381d24dd7d9ff4c0b3c73aca4d0c249216371389f297a5802e16cfa563
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "900f6a381d24dd7d9ff4c0b3c73aca4d0c249216371389f297a5802e16cfa563", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         /// 创建线程池。
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         ///
[INFO] [stderr]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         /// 线程池中线程的数量。
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         ///
[INFO] [stderr]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         /// # Panics
[INFO] [stderr]    |         ^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ///
[INFO] [stderr]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         /// `new` 函数在 size 为 0 时会 panic。
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 | /         ///创建worker实例
[INFO] [stderr] 39 | |         ///
[INFO] [stderr] 40 | |         /// 一个worker实例对应一个id和未传递任何参数的线程
[INFO] [stderr] 41 | |         ///
[INFO] [stderr] 42 | |         /// id: 线程id
[INFO] [stderr] 43 | |         /// receiver: 接收任务的channel
[INFO] [stderr]    | |_______________________________________^
[INFO] [stderr] 44 | /         let thread = thread::spawn(move ||{
[INFO] [stderr] 45 | |             loop {
[INFO] [stderr] 46 | |                 let msg = receiver.lock().unwrap().recv().unwrap();
[INFO] [stderr] 47 | |                 //println!("Worker {} got a job; executing.", id);
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |             }
[INFO] [stderr] 58 | |         });
[INFO] [stderr]    | |___________- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 | /         ///执行任务
[INFO] [stderr] 93 | |         ///
[INFO] [stderr] 94 | |         /// 通过channel分发任务
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr] 95 |           let msg = Message::NewJob(Box::new(f));
[INFO] [stderr]    |           --------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/io/connection.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `pack`, `socketio`
[INFO] [stderr]   --> src/io/response.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::io::{scramble, socketio, pack};
[INFO] [stderr]    |                           ^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]   --> src/io/response.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::net::TcpStream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::io::socketio::write_value`
[INFO] [stderr]   --> src/io/response.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::io::socketio::write_value;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mysql_common::crypto::encrypt`
[INFO] [stderr]   --> src/io/response.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use mysql_common::crypto::encrypt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `host_info` is never read
[INFO] [stderr]    --> src/lib.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut host_info = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `user_name` is never read
[INFO] [stderr]    --> src/lib.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut user_name = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `password` is never read
[INFO] [stderr]    --> src/lib.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let mut password = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `repl_user` is never read
[INFO] [stderr]    --> src/lib.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let mut repl_user = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `repl_passwd` is never read
[INFO] [stderr]    --> src/lib.rs:123:17
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let mut repl_passwd = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/mysql/state_check.rs:244:28
[INFO] [stderr]     |
[INFO] [stderr] 244 |                 if let Err(e) = self.set_state_to_default(){
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/mysql/state_check.rs:302:21
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `header` is never read
[INFO] [stderr]   --> src/io/socketio.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut header: PacketHeader = PacketHeader { payload: 0, seq_id: 0 };
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `packet_header` is never read
[INFO] [stderr]    --> src/io/response.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |         let mut packet_header: Vec<u8> = vec![];
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]    --> src/io/command.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let mut value = String::from("");
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value_length` is never read
[INFO] [stderr]    --> src/binlog/parsevalue.rs:302:25
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut value_length = 0;
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `large` is never read
[INFO] [stderr]   --> src/binlog/jsonb.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut large = false;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         /// 创建线程池。
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         ///
[INFO] [stderr]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         /// 线程池中线程的数量。
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         ///
[INFO] [stderr]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         /// # Panics
[INFO] [stderr]    |         ^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         ///
[INFO] [stderr]    |         ^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         /// `new` 函数在 size 为 0 时会 panic。
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 | /         ///创建worker实例
[INFO] [stderr] 39 | |         ///
[INFO] [stderr] 40 | |         /// 一个worker实例对应一个id和未传递任何参数的线程
[INFO] [stderr] 41 | |         ///
[INFO] [stderr] 42 | |         /// id: 线程id
[INFO] [stderr] 43 | |         /// receiver: 接收任务的channel
[INFO] [stderr]    | |_______________________________________^
[INFO] [stderr] 44 | /         let thread = thread::spawn(move ||{
[INFO] [stderr] 45 | |             loop {
[INFO] [stderr] 46 | |                 let msg = receiver.lock().unwrap().recv().unwrap();
[INFO] [stderr] 47 | |                 //println!("Worker {} got a job; executing.", id);
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |             }
[INFO] [stderr] 58 | |         });
[INFO] [stderr]    | |___________- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/pool.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 | /         ///执行任务
[INFO] [stderr] 93 | |         ///
[INFO] [stderr] 94 | |         /// 通过channel分发任务
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr] 95 |           let msg = Message::NewJob(Box::new(f));
[INFO] [stderr]    |           --------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> src/io/connection.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `pack`, `socketio`
[INFO] [stderr]   --> src/io/response.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::io::{scramble, socketio, pack};
[INFO] [stderr]    |                           ^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]   --> src/io/response.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::net::TcpStream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::io::socketio::write_value`
[INFO] [stderr]   --> src/io/response.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::io::socketio::write_value;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mysql_common::crypto::encrypt`
[INFO] [stderr]   --> src/io/response.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use mysql_common::crypto::encrypt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `host_info` is never read
[INFO] [stderr]    --> src/lib.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut host_info = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `user_name` is never read
[INFO] [stderr]    --> src/lib.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let mut user_name = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `password` is never read
[INFO] [stderr]    --> src/lib.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let mut password = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `repl_user` is never read
[INFO] [stderr]    --> src/lib.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let mut repl_user = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `repl_passwd` is never read
[INFO] [stderr]    --> src/lib.rs:123:17
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let mut repl_passwd = String::from("");
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/mysql/state_check.rs:244:28
[INFO] [stderr]     |
[INFO] [stderr] 244 |                 if let Err(e) = self.set_state_to_default(){
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/mysql/state_check.rs:302:21
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 Err(e) => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `header` is never read
[INFO] [stderr]   --> src/io/socketio.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut header: PacketHeader = PacketHeader { payload: 0, seq_id: 0 };
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `packet_header` is never read
[INFO] [stderr]    --> src/io/response.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |         let mut packet_header: Vec<u8> = vec![];
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]    --> src/io/command.rs:181:17
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let mut value = String::from("");
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value_length` is never read
[INFO] [stderr]    --> src/binlog/parsevalue.rs:302:25
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut value_length = 0;
[INFO] [stderr]     |                         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `large` is never read
[INFO] [stderr]   --> src/binlog/jsonb.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut large = false;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 26 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mymha_client-b5e9c7e2e382bb5b)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mymha_client-5d01ddca8cc86f6a)
[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
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[INFO] [stdout] running 0 tests
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[INFO] [stderr]    Doc-tests mymha_client
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] running `Command { std: "docker" "inspect" "900f6a381d24dd7d9ff4c0b3c73aca4d0c249216371389f297a5802e16cfa563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900f6a381d24dd7d9ff4c0b3c73aca4d0c249216371389f297a5802e16cfa563", kill_on_drop: false }`
[INFO] [stdout] 900f6a381d24dd7d9ff4c0b3c73aca4d0c249216371389f297a5802e16cfa563