[INFO] cloning repository https://github.com/yangyunfeng666/rustDemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yangyunfeng666/rustDemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangyunfeng666%2FrustDemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangyunfeng666%2FrustDemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69910fbf4c7bea55cfb0a4640415b9619c658430
[INFO] testing yangyunfeng666/rustDemo against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangyunfeng666%2FrustDemo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yangyunfeng666/rustDemo
[INFO] finished tweaking git repo https://github.com/yangyunfeng666/rustDemo
[INFO] tweaked toml for git repo https://github.com/yangyunfeng666/rustDemo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yangyunfeng666/rustDemo on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yangyunfeng666/rustDemo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c68a63ce48d34bc0cfdd1584ae967b2a9759ddcec023037c619a567d4a1c771
[INFO] running `Command { std: "docker" "start" "-a" "8c68a63ce48d34bc0cfdd1584ae967b2a9759ddcec023037c619a567d4a1c771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c68a63ce48d34bc0cfdd1584ae967b2a9759ddcec023037c619a567d4a1c771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c68a63ce48d34bc0cfdd1584ae967b2a9759ddcec023037c619a567d4a1c771", kill_on_drop: false }`
[INFO] [stdout] 8c68a63ce48d34bc0cfdd1584ae967b2a9759ddcec023037c619a567d4a1c771
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23f417b03e5bb4fcf35b60dca9e10cb5f4742a6ad18ba50d7da13eb8ceaca957
[INFO] running `Command { std: "docker" "start" "-a" "23f417b03e5bb4fcf35b60dca9e10cb5f4742a6ad18ba50d7da13eb8ceaca957", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stdout] warning: type `y_enum` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum y_enum {
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `YEnum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a1` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     a1(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a2` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     a2(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `toast` is never read
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub key: String,
[INFO] [stdout] 9 |     toast: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Breakfast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling hello v1.0.0 (/opt/rustwide/workdir/hello)
[INFO] [stdout] warning: trait `sumer` should have an upper camel case name
[INFO] [stdout]    --> hello/src/main.rs:313:7
[INFO] [stdout]     |
[INFO] [stdout] 313 | trait sumer {
[INFO] [stdout]     |       ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sumer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `twwier` should have an upper camel case name
[INFO] [stdout]    --> hello/src/main.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub struct twwier {
[INFO] [stdout]     |            ^^^^^^ help: convert the identifier to upper camel case: `Twwier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> hello/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let num = rand::thread_rng().gen_range(1,100);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> hello/src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut i = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `V6Ip`
[INFO] [stdout]    --> hello/src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_V6Ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aa`
[INFO] [stdout]    --> hello/src/main.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |    let  aa :Vec<i32> = vec![1,2,3,4];
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> hello/src/main.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |    let a = ss + &sa;//第一参数被使用权转移了
[INFO] [stdout]     |        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]    --> hello/src/main.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |    let vec = vec![1,2,3,4];
[INFO] [stdout]     |        ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> hello/src/main.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | let f = match file {
[INFO] [stdout]     |     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> hello/src/main.rs:221:25
[INFO] [stdout]     |
[INFO] [stdout] 221 |                     Err(error) => {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> hello/src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut i = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key1`
[INFO] [stdout]    --> hello/src/main.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let key1 = front_of_house::y_enum::a1;//使用作用域
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kye2`
[INFO] [stdout]    --> hello/src/main.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |     let kye2 = front_of_house::y_enum::a2;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_kye2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aa` and `bb` are never read
[INFO] [stdout]    --> hello/src/main.rs:322:5
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub struct twwier {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 322 |     aa:String,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 323 |     bb:String
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_use_duan` is never used
[INFO] [stdout]    --> hello/src/main.rs:348:4
[INFO] [stdout]     |
[INFO] [stdout] 348 | fn read_use_duan() -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]    --> hello/src/main.rs:385:8
[INFO] [stdout]     |
[INFO] [stdout] 385 |     V4(u8,u8,u8,u8),
[INFO] [stdout]     |     -- ^^ ^^ ^^ ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 385 -     V4(u8,u8,u8,u8),
[INFO] [stdout] 385 +     V4((),(),(),()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> hello/src/main.rs:386:8
[INFO] [stdout]     |
[INFO] [stdout] 386 |     V6(String),
[INFO] [stdout]     |     -- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 386 -     V6(String),
[INFO] [stdout] 386 +     V6(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aaa` and `bbb` are never read
[INFO] [stdout]    --> hello/src/main.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     Aa {
[INFO] [stdout]     |     -- fields in this variant
[INFO] [stdout] 388 |         aaa:String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 389 |         bbb:String
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]    --> hello/src/main.rs:443:4
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn read_file() -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_str_file` is never used
[INFO] [stdout]    --> hello/src/main.rs:456:4
[INFO] [stdout]     |
[INFO] [stdout] 456 | fn read_str_file () -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `v4Ip` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let v4Ip = IpAddr::V4(127,0,0,0);
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `v4_ip`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V6Ip` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `v6_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Aa` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let Aa  = IpAddr::Aa {aaa:String::from("dsds"),bbb:String::from("bbb")};
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case: `aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `someV` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let someV = Some("aaaa");
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `some_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "23f417b03e5bb4fcf35b60dca9e10cb5f4742a6ad18ba50d7da13eb8ceaca957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f417b03e5bb4fcf35b60dca9e10cb5f4742a6ad18ba50d7da13eb8ceaca957", kill_on_drop: false }`
[INFO] [stdout] 23f417b03e5bb4fcf35b60dca9e10cb5f4742a6ad18ba50d7da13eb8ceaca957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 327a979a9256f84988a53b26f9831f390c57887248c6e6dfecfb7e62d394529f
[INFO] running `Command { std: "docker" "start" "-a" "327a979a9256f84988a53b26f9831f390c57887248c6e6dfecfb7e62d394529f", kill_on_drop: false }`
[INFO] [stdout] warning: type `y_enum` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum y_enum {
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `YEnum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a1` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     a1(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a2` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     a2(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `toast` is never read
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub key: String,
[INFO] [stdout] 9 |     toast: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Breakfast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stderr]    Compiling hello v1.0.0 (/opt/rustwide/workdir/hello)
[INFO] [stdout] warning: trait `sumer` should have an upper camel case name
[INFO] [stdout]    --> hello/src/main.rs:313:7
[INFO] [stdout]     |
[INFO] [stdout] 313 | trait sumer {
[INFO] [stdout]     |       ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sumer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `twwier` should have an upper camel case name
[INFO] [stdout]    --> hello/src/main.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub struct twwier {
[INFO] [stdout]     |            ^^^^^^ help: convert the identifier to upper camel case: `Twwier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> hello/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let num = rand::thread_rng().gen_range(1,100);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> hello/src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut i = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `V6Ip`
[INFO] [stdout]    --> hello/src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_V6Ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `aa`
[INFO] [stdout]    --> hello/src/main.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |    let  aa :Vec<i32> = vec![1,2,3,4];
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> hello/src/main.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |    let a = ss + &sa;//第一参数被使用权转移了
[INFO] [stdout]     |        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]    --> hello/src/main.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |    let vec = vec![1,2,3,4];
[INFO] [stdout]     |        ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> hello/src/main.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 | let f = match file {
[INFO] [stdout]     |     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> hello/src/main.rs:221:25
[INFO] [stdout]     |
[INFO] [stdout] 221 |                     Err(error) => {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `y_enum` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum y_enum {
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `YEnum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a1` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     a1(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `a2` should have an upper camel case name
[INFO] [stdout]   --> restaurant/src/front_of_house.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     a2(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> hello/src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut i = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key1`
[INFO] [stdout]    --> hello/src/main.rs:481:9
[INFO] [stdout]     |
[INFO] [stdout] 481 |     let key1 = front_of_house::y_enum::a1;//使用作用域
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kye2`
[INFO] [stdout]    --> hello/src/main.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |     let kye2 = front_of_house::y_enum::a2;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_kye2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aa` and `bb` are never read
[INFO] [stdout]    --> hello/src/main.rs:322:5
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub struct twwier {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 322 |     aa:String,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 323 |     bb:String
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_use_duan` is never used
[INFO] [stdout]    --> hello/src/main.rs:348:4
[INFO] [stdout]     |
[INFO] [stdout] 348 | fn read_use_duan() -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]    --> hello/src/main.rs:385:8
[INFO] [stdout]     |
[INFO] [stdout] 385 |     V4(u8,u8,u8,u8),
[INFO] [stdout]     |     -- ^^ ^^ ^^ ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 385 -     V4(u8,u8,u8,u8),
[INFO] [stdout] 385 +     V4((),(),(),()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> hello/src/main.rs:386:8
[INFO] [stdout]     |
[INFO] [stdout] 386 |     V6(String),
[INFO] [stdout]     |     -- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 386 -     V6(String),
[INFO] [stdout] 386 +     V6(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `aaa` and `bbb` are never read
[INFO] [stdout]    --> hello/src/main.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     Aa {
[INFO] [stdout]     |     -- fields in this variant
[INFO] [stdout] 388 |         aaa:String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 389 |         bbb:String
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]    --> hello/src/main.rs:443:4
[INFO] [stdout]     |
[INFO] [stdout] 443 | fn read_file() -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_str_file` is never used
[INFO] [stdout]    --> hello/src/main.rs:456:4
[INFO] [stdout]     |
[INFO] [stdout] 456 | fn read_str_file () -> Result<String,io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `v4Ip` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let v4Ip = IpAddr::V4(127,0,0,0);
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `v4_ip`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V6Ip` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `v6_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Aa` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let Aa  = IpAddr::Aa {aaa:String::from("dsds"),bbb:String::from("bbb")};
[INFO] [stdout]     |         ^^ help: convert the identifier to snake case: `aa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `someV` should have a snake case name
[INFO] [stdout]    --> hello/src/main.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let someV = Some("aaaa");
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `some_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `toast` is never read
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 8 |     pub key: String,
[INFO] [stdout] 9 |     toast: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Breakfast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "327a979a9256f84988a53b26f9831f390c57887248c6e6dfecfb7e62d394529f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327a979a9256f84988a53b26f9831f390c57887248c6e6dfecfb7e62d394529f", kill_on_drop: false }`
[INFO] [stdout] 327a979a9256f84988a53b26f9831f390c57887248c6e6dfecfb7e62d394529f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e63bc4258c0351d876590424a123545b90be3eb3d210d1be5f3268f0686865f
[INFO] running `Command { std: "docker" "start" "-a" "8e63bc4258c0351d876590424a123545b90be3eb3d210d1be5f3268f0686865f", kill_on_drop: false }`
[INFO] [stderr] warning: type `y_enum` should have an upper camel case name
[INFO] [stderr]   --> restaurant/src/front_of_house.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum y_enum {
[INFO] [stderr]    |          ^^^^^^ help: convert the identifier to upper camel case: `YEnum`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `a1` should have an upper camel case name
[INFO] [stderr]   --> restaurant/src/front_of_house.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     a1(String),
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `A1`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `a2` should have an upper camel case name
[INFO] [stderr]   --> restaurant/src/front_of_house.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     a2(String),
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `A2`
[INFO] [stderr] 
[INFO] [stderr] warning: field `toast` is never read
[INFO] [stderr]  --> restaurant/src/front_of_house.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Breakfast {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] 8 |     pub key: String,
[INFO] [stderr] 9 |     toast: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Breakfast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `restaurant` (lib) generated 4 warnings
[INFO] [stderr] warning: `restaurant` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: trait `sumer` should have an upper camel case name
[INFO] [stderr]    --> hello/src/main.rs:313:7
[INFO] [stderr]     |
[INFO] [stderr] 313 | trait sumer {
[INFO] [stderr]     |       ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sumer`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `twwier` should have an upper camel case name
[INFO] [stderr]    --> hello/src/main.rs:321:12
[INFO] [stderr]     |
[INFO] [stderr] 321 | pub struct twwier {
[INFO] [stderr]     |            ^^^^^^ help: convert the identifier to upper camel case: `Twwier`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> hello/src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let num = rand::thread_rng().gen_range(1,100);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> hello/src/main.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut i = 0;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `V6Ip`
[INFO] [stderr]    --> hello/src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_V6Ip`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `aa`
[INFO] [stderr]    --> hello/src/main.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |    let  aa :Vec<i32> = vec![1,2,3,4];
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_aa`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> hello/src/main.rs:174:8
[INFO] [stderr]     |
[INFO] [stderr] 174 |    let a = ss + &sa;//第一参数被使用权转移了
[INFO] [stderr]     |        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vec`
[INFO] [stderr]    --> hello/src/main.rs:208:8
[INFO] [stderr]     |
[INFO] [stderr] 208 |    let vec = vec![1,2,3,4];
[INFO] [stderr]     |        ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> hello/src/main.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 | let f = match file {
[INFO] [stderr]     |     ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> hello/src/main.rs:221:25
[INFO] [stderr]     |
[INFO] [stderr] 221 |                     Err(error) => {
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> hello/src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut i = 0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key1`
[INFO] [stderr]    --> hello/src/main.rs:481:9
[INFO] [stderr]     |
[INFO] [stderr] 481 |     let key1 = front_of_house::y_enum::a1;//使用作用域
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kye2`
[INFO] [stderr]    --> hello/src/main.rs:482:9
[INFO] [stderr]     |
[INFO] [stderr] 482 |     let kye2 = front_of_house::y_enum::a2;
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_kye2`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `aa` and `bb` are never read
[INFO] [stderr]    --> hello/src/main.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 321 | pub struct twwier {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] 322 |     aa:String,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 323 |     bb:String
[INFO] [stderr]     |     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_use_duan` is never used
[INFO] [stderr]    --> hello/src/main.rs:348:4
[INFO] [stderr]     |
[INFO] [stderr] 348 | fn read_use_duan() -> Result<String,io::Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stderr]    --> hello/src/main.rs:385:8
[INFO] [stderr]     |
[INFO] [stderr] 385 |     V4(u8,u8,u8,u8),
[INFO] [stderr]     |     -- ^^ ^^ ^^ ^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     fields in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]     |
[INFO] [stderr] 385 -     V4(u8,u8,u8,u8),
[INFO] [stderr] 385 +     V4((),(),(),()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> hello/src/main.rs:386:8
[INFO] [stderr]     |
[INFO] [stderr] 386 |     V6(String),
[INFO] [stderr]     |     -- ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 386 -     V6(String),
[INFO] [stderr] 386 +     V6(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `aaa` and `bbb` are never read
[INFO] [stderr]    --> hello/src/main.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |     Aa {
[INFO] [stderr]     |     -- fields in this variant
[INFO] [stderr] 388 |         aaa:String,
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 389 |         bbb:String
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_file` is never used
[INFO] [stderr]    --> hello/src/main.rs:443:4
[INFO] [stderr]     |
[INFO] [stderr] 443 | fn read_file() -> Result<String,io::Error> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_str_file` is never used
[INFO] [stderr]    --> hello/src/main.rs:456:4
[INFO] [stderr]     |
[INFO] [stderr] 456 | fn read_str_file () -> Result<String,io::Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `v4Ip` should have a snake case name
[INFO] [stderr]    --> hello/src/main.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let v4Ip = IpAddr::V4(127,0,0,0);
[INFO] [stderr]     |         ^^^^ help: convert the identifier to snake case: `v4_ip`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `V6Ip` should have a snake case name
[INFO] [stderr]    --> hello/src/main.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 |     let V6Ip = IpAddr::V6(String::from("::1"));
[INFO] [stderr]     |         ^^^^ help: convert the identifier to snake case: `v6_ip`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Aa` should have a snake case name
[INFO] [stderr]    --> hello/src/main.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let Aa  = IpAddr::Aa {aaa:String::from("dsds"),bbb:String::from("bbb")};
[INFO] [stderr]     |         ^^ help: convert the identifier to snake case: `aa`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `someV` should have a snake case name
[INFO] [stderr]    --> hello/src/main.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let someV = Some("aaaa");
[INFO] [stderr]     |         ^^^^^ help: convert the identifier to snake case: `some_v`
[INFO] [stderr] 
[INFO] [stderr] warning: `hello` (bin "hello" test) generated 24 warnings (run `cargo fix --bin "hello" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-8024b28cb9cada0c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/restaurant-b1fa15275c0197f7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] test tests::aa ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::aa stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::aa' panicked at restaurant/src/lib.rs:19:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 2
[INFO] [stdout]  right: 3
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d7a9584aa2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55d7a9584aa2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55d7a9584aa2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x55d7a9584aa2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x55d7a95a9b33 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x55d7a95a9b33 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x55d7a9581c83 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55d7a9581c83 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x55d7a95848f2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x55d7a958600c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x55d7a9585e62 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x55d7a954df44 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x55d7a954df44 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x55d7a95869eb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x55d7a95869eb - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x55d7a95867ba - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x55d7a9584f99 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x55d7a958644d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x55d7a95a86b0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x55d7a95a8917 - core::panicking::assert_failed_inner::h02e1528dd7bc6647
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x55d7a95148f7 - core::panicking::assert_failed::hb7aa8e9fec62bfed
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x55d7a9514864 - restaurant::tests::aa::hc52829c0e3a3f7d4
[INFO] [stdout]                                at /opt/rustwide/workdir/restaurant/src/lib.rs:19:9
[INFO] [stdout]   22:     0x55d7a9514864 - restaurant::tests::aa::{{closure}}::ha58dcf87faaf76de
[INFO] [stdout]                                at /opt/rustwide/workdir/restaurant/src/lib.rs:18:12
[INFO] [stdout]   23:     0x55d7a9514864 - core::ops::function::FnOnce::call_once::h3e6cde3f09d4607f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55d7a95536cb - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55d7a95536cb - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x55d7a95528be - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x55d7a95528be - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55d7a95528be - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x55d7a95528be - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x55d7a95528be - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x55d7a95528be - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x55d7a95528be - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x55d7a9516434 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x55d7a9516434 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x55d7a9519e0a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x55d7a9519e0a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55d7a9519e0a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x55d7a9519e0a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x55d7a9519e0a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x55d7a9519e0a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x55d7a9519e0a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55d7a9589947 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x55d7a9589947 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x55d7a9589947 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7273ec046aa4 - <unknown>
[INFO] [stdout]   46:     0x7273ec0d3a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::aa
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p restaurant --lib`
[INFO] running `Command { std: "docker" "inspect" "8e63bc4258c0351d876590424a123545b90be3eb3d210d1be5f3268f0686865f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e63bc4258c0351d876590424a123545b90be3eb3d210d1be5f3268f0686865f", kill_on_drop: false }`
[INFO] [stdout] 8e63bc4258c0351d876590424a123545b90be3eb3d210d1be5f3268f0686865f
