[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] d29331beaaf06f3e3c083eb68f789d8002755b14
[INFO] testing wwwbjqcom/mysqlMP-client against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwwwbjqcom%2FmysqlMP-client" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wwwbjqcom/mysqlMP-client on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.7.10
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded bigdecimal v0.1.2
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded static_assertions v0.3.4
[INFO] [stderr]   Downloaded log4rs v0.8.3
[INFO] [stderr]   Downloaded antidote v1.0.0
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded rust_decimal v1.6.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded addr2line v0.12.1
[INFO] [stderr]   Downloaded dtoa v0.4.5
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded sha1 v0.6.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded proc-macro-error v1.0.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.7
[INFO] [stderr]   Downloaded gimli v0.21.0
[INFO] [stderr]   Downloaded structopt v0.3.14
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded lexical-core v0.4.6
[INFO] [stderr]   Downloaded mysql_common v0.18.1
[INFO] [stderr]   Downloaded sha2 v0.8.2
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded serde-value v0.5.3
[INFO] [stderr]   Downloaded syn v1.0.31
[INFO] [stderr]   Downloaded serde v1.0.112
[INFO] [stderr]   Downloaded serde_derive v1.0.112
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.2
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded adler32 v1.0.4
[INFO] [stderr]   Downloaded serde_json v1.0.55
[INFO] [stderr]   Downloaded chrono v0.4.11
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded lexical v2.2.2
[INFO] [stderr]   Downloaded twox-hash v1.5.0
[INFO] [stderr]   Downloaded uuid v0.7.4
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6df73c86bbd206df95d2800e32971ae16b8dac0437ac34497748a123199834da
[INFO] running `Command { std: "docker" "start" "-a" "6df73c86bbd206df95d2800e32971ae16b8dac0437ac34497748a123199834da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df73c86bbd206df95d2800e32971ae16b8dac0437ac34497748a123199834da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df73c86bbd206df95d2800e32971ae16b8dac0437ac34497748a123199834da", kill_on_drop: false }`
[INFO] [stdout] 6df73c86bbd206df95d2800e32971ae16b8dac0437ac34497748a123199834da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 013bd05b677899a2403b58c5e874661a9d8b184e02bdfc4509e280bb38bbeb40
[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" "013bd05b677899a2403b58c5e874661a9d8b184e02bdfc4509e280bb38bbeb40", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.48
[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 structopt-derive v0.4.7
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling rust_decimal v1.6.0
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling serde-value v0.5.3
[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:119:13
[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:120:13
[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:121:13
[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:122:13
[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:123:13
[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:33:9
[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:134:13
[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:181:13
[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:302:21
[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:23:9
[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 2m 09s
[INFO] running `Command { std: "docker" "inspect" "013bd05b677899a2403b58c5e874661a9d8b184e02bdfc4509e280bb38bbeb40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013bd05b677899a2403b58c5e874661a9d8b184e02bdfc4509e280bb38bbeb40", kill_on_drop: false }`
[INFO] [stdout] 013bd05b677899a2403b58c5e874661a9d8b184e02bdfc4509e280bb38bbeb40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bc183406f87edb61071fde7112592a50443ca7c9576c80426bd8a4111ea9f64
[INFO] running `Command { std: "docker" "start" "-a" "6bc183406f87edb61071fde7112592a50443ca7c9576c80426bd8a4111ea9f64", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:119:13
[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:120:13
[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:121:13
[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:122:13
[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:123:13
[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:33:9
[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:134:13
[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:181:13
[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:302:21
[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:23:9
[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] [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:119:13
[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:120:13
[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:121:13
[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:122:13
[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:123:13
[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:33:9
[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:134:13
[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:181:13
[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:302:21
[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:23:9
[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 5.14s
[INFO] running `Command { std: "docker" "inspect" "6bc183406f87edb61071fde7112592a50443ca7c9576c80426bd8a4111ea9f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc183406f87edb61071fde7112592a50443ca7c9576c80426bd8a4111ea9f64", kill_on_drop: false }`
[INFO] [stdout] 6bc183406f87edb61071fde7112592a50443ca7c9576c80426bd8a4111ea9f64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77dba6a827905d5b39f7a1aca9a5779483a744f3bc7c494066c40bdd37a518da
[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" "77dba6a827905d5b39f7a1aca9a5779483a744f3bc7c494066c40bdd37a518da", 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:119:13
[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:120:13
[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: 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:119:13
[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:120:13
[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:121:13
[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:122:13
[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:123:13
[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:33:9
[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:134:13
[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:181:13
[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:302:21
[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:23:9
[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: value assigned to `password` is never read
[INFO] [stderr]    --> src/lib.rs:121:13
[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:122:13
[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:123:13
[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:33:9
[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:134:13
[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:181:13
[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:302:21
[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:23:9
[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 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mymha_client-4cd5fb3f151cc99c
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mymha_client-5270172d08e1f881
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mymha_client
[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
[INFO] [stdout] 
[INFO] [stderr] thread 'rustc' panicked at 'byte index 5 is not a char boundary; it is inside '检' (bytes 4..7) of ` 复检宕机节点状态`', src/librustdoc/passes/unindent_comments.rs:96:25
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f9d376e9540 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x7f9d376e9540 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f9d376e9540 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x7f9d376e9540 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x7f9d37757f4c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x7f9d376db867 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x7f9d376ee200 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x7f9d376ee200 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x7f9d376ee200 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x7f9d376edf4c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x7f9d3834de59 - rustc_driver::report_ice::h5dabcbd2624000fb
[INFO] [stderr]   11:     0x7f9d2cd42556 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h245f75c46df861d8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1056
[INFO] [stderr]   12:     0x7f9d2cc4e0b5 - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::h4c67fb8d129cc201
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/proc_macro/src/bridge/client.rs:319
[INFO] [stderr]   13:     0x7f9d376ee9a8 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:573
[INFO] [stderr]   14:     0x7f9d376ee559 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stderr]   15:     0x7f9d376e99cc - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   16:     0x7f9d376ee519 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stderr]   17:     0x7f9d377549d1 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stderr]   18:     0x7f9d3775c59c - core::str::slice_error_fail::h9a3f0cdcecbe41d3
[INFO] [stderr]   19:     0x560c56ba3835 - <core::iter::adapters::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::h610a67b9ad272f41
[INFO] [stderr]   20:     0x560c56c47586 - rustdoc::passes::unindent_comments::<impl rustdoc::clean::types::Attributes>::unindent_doc_comments::hd180671df45ec413
[INFO] [stderr]   21:     0x560c56cc63fb - <rustdoc::test::HirCollector as rustc_hir::intravisit::Visitor>::visit_item::h3b44a94a30b59106
[INFO] [stderr]   22:     0x560c56d2da2d - rustc_hir::intravisit::walk_item::h83ba41187c0df477
[INFO] [stderr]   23:     0x560c56cc65d1 - <rustdoc::test::HirCollector as rustc_hir::intravisit::Visitor>::visit_item::h3b44a94a30b59106
[INFO] [stderr]   24:     0x560c56d2da2d - rustc_hir::intravisit::walk_item::h83ba41187c0df477
[INFO] [stderr]   25:     0x560c56cc65d1 - <rustdoc::test::HirCollector as rustc_hir::intravisit::Visitor>::visit_item::h3b44a94a30b59106
[INFO] [stderr]   26:     0x560c56cc601d - rustdoc::test::HirCollector::visit_testable::h2a3ac29dcb1d70a5
[INFO] [stderr]   27:     0x560c56b811a6 - rustc_interface::passes::QueryContext::enter::hbca9388ec2a386cf
[INFO] [stderr]   28:     0x560c56d3c801 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::hd971201442c19e0e
[INFO] [stderr]   29:     0x560c56d9ec38 - rustc_span::with_source_map::h99d8e2012be1b30e
[INFO] [stderr]   30:     0x560c56d2f569 - scoped_tls::ScopedKey<T>::set::h8a0734660a922560
[INFO] [stderr]   31:     0x560c56c0a0b0 - std::sys_common::backtrace::__rust_begin_short_backtrace::hf3354f5489fea9e2
[INFO] [stderr]   32:     0x560c56db375e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hdd1ed971639d165a
[INFO] [stderr]   33:     0x7f9d376fdf5a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   34:     0x7f9d376fdf5a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   35:     0x7f9d376fdf5a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   36:     0x7f9d3761b609 - start_thread
[INFO] [stderr]   37:     0x7f9d373d6103 - clone
[INFO] [stderr]   38:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.47.0 (18bf6b4f0 2020-10-07) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "77dba6a827905d5b39f7a1aca9a5779483a744f3bc7c494066c40bdd37a518da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77dba6a827905d5b39f7a1aca9a5779483a744f3bc7c494066c40bdd37a518da", kill_on_drop: false }`
[INFO] [stdout] 77dba6a827905d5b39f7a1aca9a5779483a744f3bc7c494066c40bdd37a518da
