[INFO] cloning repository https://github.com/diwahar-m/rust_basics_1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/diwahar-m/rust_basics_1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiwahar-m%2Frust_basics_1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiwahar-m%2Frust_basics_1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 460414bac35c13c0fdce76cd614848d4e4623f9f
[INFO] checking diwahar-m/rust_basics_1 against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiwahar-m%2Frust_basics_1" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/diwahar-m/rust_basics_1
[INFO] finished tweaking git repo https://github.com/diwahar-m/rust_basics_1
[INFO] tweaked toml for git repo https://github.com/diwahar-m/rust_basics_1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/diwahar-m/rust_basics_1 on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/diwahar-m/rust_basics_1 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07764c73ad6c133e04a65402eeb2e5f98b178b98c2fc8312306fb4f452b196ee
[INFO] running `Command { std: "docker" "start" "-a" "07764c73ad6c133e04a65402eeb2e5f98b178b98c2fc8312306fb4f452b196ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07764c73ad6c133e04a65402eeb2e5f98b178b98c2fc8312306fb4f452b196ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07764c73ad6c133e04a65402eeb2e5f98b178b98c2fc8312306fb4f452b196ee", kill_on_drop: false }`
[INFO] [stdout] 07764c73ad6c133e04a65402eeb2e5f98b178b98c2fc8312306fb4f452b196ee
[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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e45cc75025c942b7e575e59fded1c4ed9994a3839220d8dfdc355b000f061c3
[INFO] running `Command { std: "docker" "start" "-a" "0e45cc75025c942b7e575e59fded1c4ed9994a3839220d8dfdc355b000f061c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/structs.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/structs.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> src/ownership.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let s2 = s1.clone();
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mut_val_3`
[INFO] [stdout]   --> src/ownership.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut_val_3 = &mut val_3;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mut_val_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mut_val_4`
[INFO] [stdout]   --> src/ownership.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut_val_4 = &mut val_3;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mut_val_4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u_2`
[INFO] [stdout]   --> src/ownership.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let u_2 = &s[..u_len];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_u_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u_3`
[INFO] [stdout]   --> src/ownership.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let u_3 = &s[3..];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_u_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u_all`
[INFO] [stdout]   --> src/ownership.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let u_all = &s[..];
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_u_all`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_2`
[INFO] [stdout]   --> src/structs.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let user_2 = create_user(String::from("johnde@gmail.com"), String::from("johndoe"));
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_3`
[INFO] [stdout]   --> src/structs.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let user_3 = User {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> src/ownership.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let s2 = s1.clone();
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mut_val_3`
[INFO] [stdout]   --> src/ownership.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut_val_3 = &mut val_3;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mut_val_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mut_val_4`
[INFO] [stdout]   --> src/ownership.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut_val_4 = &mut val_3;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mut_val_4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u_2`
[INFO] [stdout]   --> src/ownership.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let u_2 = &s[..u_len];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_u_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u_3`
[INFO] [stdout]   --> src/ownership.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let u_3 = &s[3..];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_u_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u_all`
[INFO] [stdout]   --> src/ownership.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let u_all = &s[..];
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_u_all`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `second_function` is never used
[INFO] [stdout]   --> src/main.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn second_function(x: u32, y: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_2`
[INFO] [stdout]   --> src/structs.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let user_2 = create_user(String::from("johnde@gmail.com"), String::from("johndoe"));
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_3`
[INFO] [stdout]   --> src/structs.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let user_3 = User {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `five` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn five() -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `control_flow` is never used
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn control_flow() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_as_statement` is never used
[INFO] [stdout]   --> src/main.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn if_as_statement() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_types` is never used
[INFO] [stdout]   --> src/main.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn loop_types() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `for_loop` is never used
[INFO] [stdout]    --> src/main.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn for_loop() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_num` is never used
[INFO] [stdout]    --> src/main.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn guess_num() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/enums.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Write(String),
[INFO] [stdout]   |         ----- ^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         field in this variant
[INFO] [stdout]   |
[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] 6 -         Write(String),
[INFO] [stdout] 6 +         Write(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stdout]  --> src/enums.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     enum Message {
[INFO] [stdout]   |          ------- variants in this enum
[INFO] [stdout] 4 |         Quit,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 5 |         Move { x: i32, y: i32 },
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |         Write(String),
[INFO] [stdout] 7 |         ChangeColor(i32, i32, i32),
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dangle` is never used
[INFO] [stdout]   --> src/ownership.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn dangle() -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `email`, `active`, and `sign_in_count` are never read
[INFO] [stdout]  --> src/structs.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |         name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 5 |         email: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |         active: bool,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 7 |         sign_in_count: u64,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/structs.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     struct Color(i32, i32, i32);
[INFO] [stdout]    |            ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Color` 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 `width` and `height` are never read
[INFO] [stdout]   --> src/structs.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     struct Rectangle {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 83 |         width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 84 |         height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VALUE` is never used
[INFO] [stdout]   --> src/main.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const VALUE: i32 = 5;
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `second_function` is never used
[INFO] [stdout]   --> src/main.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn second_function(x: u32, y: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `five` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn five() -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `control_flow` is never used
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn control_flow() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `if_as_statement` is never used
[INFO] [stdout]   --> src/main.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn if_as_statement() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_types` is never used
[INFO] [stdout]   --> src/main.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn loop_types() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `for_loop` is never used
[INFO] [stdout]    --> src/main.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn for_loop() {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_num` is never used
[INFO] [stdout]    --> src/main.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn guess_num() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/enums.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Write(String),
[INFO] [stdout]   |         ----- ^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         field in this variant
[INFO] [stdout]   |
[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] 6 -         Write(String),
[INFO] [stdout] 6 +         Write(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stdout]  --> src/enums.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     enum Message {
[INFO] [stdout]   |          ------- variants in this enum
[INFO] [stdout] 4 |         Quit,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 5 |         Move { x: i32, y: i32 },
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |         Write(String),
[INFO] [stdout] 7 |         ChangeColor(i32, i32, i32),
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dangle` is never used
[INFO] [stdout]   --> src/ownership.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn dangle() -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `email`, `active`, and `sign_in_count` are never read
[INFO] [stdout]  --> src/structs.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |         name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 5 |         email: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |         active: bool,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 7 |         sign_in_count: u64,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/structs.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     struct Color(i32, i32, i32);
[INFO] [stdout]    |            ----- ^^^  ^^^  ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Color` 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 `width` and `height` are never read
[INFO] [stdout]   --> src/structs.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     struct Rectangle {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 83 |         width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 84 |         height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "0e45cc75025c942b7e575e59fded1c4ed9994a3839220d8dfdc355b000f061c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e45cc75025c942b7e575e59fded1c4ed9994a3839220d8dfdc355b000f061c3", kill_on_drop: false }`
[INFO] [stdout] 0e45cc75025c942b7e575e59fded1c4ed9994a3839220d8dfdc355b000f061c3
