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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/529124368/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F529124368%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F529124368%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba42eb46217910d9577dd6e7d5e17fecbf09ad17
[INFO] checking 529124368/rust_learn/ba42eb46217910d9577dd6e7d5e17fecbf09ad17 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F529124368%2Frust_learn" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/529124368/rust_learn on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/529124368/rust_learn
[INFO] finished tweaking git repo https://github.com/529124368/rust_learn
[INFO] tweaked toml for git repo https://github.com/529124368/rust_learn written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/529124368/rust_learn 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--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 md-5 v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] a622757ae1337ef93a772ac383dce2e147fe9c118f3f866c638244867b34497c
[INFO] running `Command { std: "docker" "start" "-a" "a622757ae1337ef93a772ac383dce2e147fe9c118f3f866c638244867b34497c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking md-5 v0.10.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling lsz_macro v0.1.0 (/opt/rustwide/workdir/lsz_macro)
[INFO] [stdout] warning: unused import: `TypeParen`
[INFO] [stdout]  --> lsz_macro/src/lib.rs:4:64
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{self, ext::IdentExt, parse_macro_input, DeriveInput, TypeParen};
[INFO] [stdout]   |                                                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking greeting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> examples/test8.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Man<T, V>
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     name: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Man` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `state` should have an upper case name
[INFO] [stdout]  --> examples/test8.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | static state: AtomicIsize = AtomicIsize::new(0);
[INFO] [stdout]   |        ^^^^^ help: convert the identifier to upper case: `STATE`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getX` should have a snake case name
[INFO] [stdout]   --> examples/test9.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn getX(&self) -> &T {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `get_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Thread`
[INFO] [stdout]  --> examples/test10.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     thread::{self, Thread},
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getY` should have a snake case name
[INFO] [stdout]   --> examples/test9.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn getY(&self) -> &T {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `get_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `setX` should have a snake case name
[INFO] [stdout]   --> examples/test9.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn setX(&mut self, x: T) {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `set_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `setY` should have a snake case name
[INFO] [stdout]   --> examples/test9.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn setY(&mut self, y: T) {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case: `set_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bb`
[INFO] [stdout]  --> examples/test10.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let bb = Rc::new(23);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_bb`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]   --> examples/test10.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut sum = 0;
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `self`, `thread`, and `time::Duration`
[INFO] [stdout]  --> examples/test11.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 |     sync::mpsc::{self, Receiver, Sender},
[INFO] [stdout]   |                  ^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 3 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Ip_address` should have an upper camel case name
[INFO] [stdout]   --> examples/test6.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Ip_address {
[INFO] [stdout]    |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddress`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v4` should have an upper camel case name
[INFO] [stdout]   --> examples/test6.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     v4(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `V4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v3` should have an upper camel case name
[INFO] [stdout]   --> examples/test6.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     v3(String),
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `V3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `vector3` should have an upper camel case name
[INFO] [stdout]   --> examples/test5.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct vector3(i32, i32);
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vector3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn test(num: i32) -> (i32, String) {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `what` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn what(n: &mut String) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Aera` is never constructed
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Aera {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getarea` is never used
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Aera {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 29 |     fn getarea(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IPaddress` is never used
[INFO] [stdout]   --> src/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum IPaddress {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]   --> src/main.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl IPaddress {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 41 |     fn display(&self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Name` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Name: T,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Sex` should have a snake case name
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Sex: U,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case (notice the capitalization): `sex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Age` should have a snake case name
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Age: V,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `varsion`, `name`, `camer`, and `controller` are never read
[INFO] [stdout]   --> examples/test5.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Game<'a> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 29 |     varsion: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 30 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     camer: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     controller: &'a Controller,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` 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] [stdout] warning: fields `mouse` and `keyboard` are never read
[INFO] [stdout]   --> examples/test5.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Controller {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 36 |     mouse: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 37 |     keyboard: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Controller` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/test5.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct vector3(i32, i32);
[INFO] [stdout]    |        ------- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `vector3` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> examples/test3.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let c = b;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `text` should have an upper camel case name
[INFO] [stdout]   --> examples/test7.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     text(String),
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Text`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `name` should have an upper camel case name
[INFO] [stdout]   --> examples/test7.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     name(String),
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `typess` should have an upper camel case name
[INFO] [stdout]   --> examples/test7.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     typess(u8),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `Typess`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> examples/test3.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let b = aa;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sss`
[INFO] [stdout]   --> examples/test2.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let sss = Vec::<i32>::new();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_sss`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> examples/test2.rs:109:32
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn what<'a>(s: &'a mut String, b: &'a str) -> &'a str {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]   --> examples/test2.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Student {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 10 |     name: String,
[INFO] [stdout] 11 |     age: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getMax` should have a snake case name
[INFO] [stdout]   --> examples/test2.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn getMax<T: PartialOrd + Copy>(a: T, b: T) -> T {
[INFO] [stdout]    |    ^^^^^^ help: convert the identifier to snake case: `get_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> examples/test3.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         drop(b);
[INFO] [stdout]    |         ^^^^^-^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 16 -         drop(b);
[INFO] [stdout] 16 +         let _ = b;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/test6.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     v3(String),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ip_address` 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] 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] 42 |     v3(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v4` is never constructed
[INFO] [stdout]   --> examples/test6.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | enum Ip_address {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 41 |     v4(String),
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ip_address` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]   --> examples/test11.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let sum = 0;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/test7.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     text(String),
[INFO] [stdout]    |     ---- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Std` 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] 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] 15 |     text(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `name` and `typess` are never constructed
[INFO] [stdout]   --> examples/test7.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Std {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 15 |     text(String),
[INFO] [stdout] 16 |     name(String),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     typess(u8),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Std` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/test7.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Cons(i32, Box<List>),
[INFO] [stdout]    |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `List` 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] 21 |     Cons((), ()),
[INFO] [stdout]    |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/test7.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct L(usize);
[INFO] [stdout]    |        - ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `L` 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 `bacjFile` should have a snake case name
[INFO] [stdout]  --> examples/test7.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn bacjFile() -> Result<String, io::Error> {
[INFO] [stdout]   |    ^^^^^^^^ help: convert the identifier to snake case: `bacj_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn test(num: i32) -> (i32, String) {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `what` is never used
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn what(n: &mut String) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Aera` is never constructed
[INFO] [stdout]   --> src/main.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Aera {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getarea` is never used
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Aera {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 29 |     fn getarea(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IPaddress` is never used
[INFO] [stdout]   --> src/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum IPaddress {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]   --> src/main.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl IPaddress {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 41 |     fn display(&self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Name` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Name: T,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Sex` should have a snake case name
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Sex: U,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case (notice the capitalization): `sex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Age` should have a snake case name
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Age: V,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.39s
[INFO] running `Command { std: "docker" "inspect" "a622757ae1337ef93a772ac383dce2e147fe9c118f3f866c638244867b34497c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a622757ae1337ef93a772ac383dce2e147fe9c118f3f866c638244867b34497c", kill_on_drop: false }`
[INFO] [stdout] a622757ae1337ef93a772ac383dce2e147fe9c118f3f866c638244867b34497c