[INFO] cloning repository https://github.com/thruc/rust-practic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thruc/rust-practic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthruc%2Frust-practic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthruc%2Frust-practic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bf87293f6791c7e8df61e7e99fb07e558c9a3bd
[INFO] testing thruc/rust-practic against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthruc%2Frust-practic" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thruc/rust-practic
[INFO] finished tweaking git repo https://github.com/thruc/rust-practic
[INFO] tweaked toml for git repo https://github.com/thruc/rust-practic written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thruc/rust-practic on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thruc/rust-practic 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d346eb97dd8045aa50ebe99ee5632b45da12b367bed92b580ad5c33dc4d44d91
[INFO] running `Command { std: "docker" "start" "-a" "d346eb97dd8045aa50ebe99ee5632b45da12b367bed92b580ad5c33dc4d44d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d346eb97dd8045aa50ebe99ee5632b45da12b367bed92b580ad5c33dc4d44d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d346eb97dd8045aa50ebe99ee5632b45da12b367bed92b580ad5c33dc4d44d91", kill_on_drop: false }`
[INFO] [stdout] d346eb97dd8045aa50ebe99ee5632b45da12b367bed92b580ad5c33dc4d44d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d431f89aa3ae5a46aa5bc44377aca1f3de44d1a1125df67a0cf964505b02dc5a
[INFO] running `Command { std: "docker" "start" "-a" "d431f89aa3ae5a46aa5bc44377aca1f3de44d1a1125df67a0cf964505b02dc5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-practic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/generics.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let p1 = Point { x: 1, y: 2 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/generics.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let p2 = Point { x: 1.0, y: 2.0 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user1`
[INFO] [stdout]   --> src/structs.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let user1 = User {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> src/generics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point<T> {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 2 |     x: T,
[INFO] [stdout]   |     ^
[INFO] [stdout] 3 |     y: T,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest_i32` is never used
[INFO] [stdout]   --> src/generics.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn largest_i32(list: Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dummy3` is never used
[INFO] [stdout]   --> src/lifetime.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn dummy3() -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/stack_heap.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Node(i32, Box<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[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] 2 -     Node(i32, Box<List>),
[INFO] [stdout] 2 +     Node((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `username`, `sign_in_count`, and `active` are never read
[INFO] [stdout]  --> src/structs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     username: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     email: String,
[INFO] [stdout] 5 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 6 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` 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 `headline`, `location`, `author`, and `content` are never read
[INFO] [stdout]   --> src/traits.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct NewsArticle {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 27 |     headline: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     location: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     author: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     content: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reply` and `retweet` are never read
[INFO] [stdout]   --> src/traits.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Tweet {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     reply: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     retweet: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> src/unit_test.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compare_area` is never used
[INFO] [stdout]  --> src/unit_test.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Rectangle {
[INFO] [stdout]   | -------------- method in this implementation
[INFO] [stdout] 6 |     fn compare_area(&self, other: &Rectangle) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double_value` is never used
[INFO] [stdout]   --> src/unit_test.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn double_value(a: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greeting` is never used
[INFO] [stdout]   --> src/unit_test.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn greeting(name: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "d431f89aa3ae5a46aa5bc44377aca1f3de44d1a1125df67a0cf964505b02dc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d431f89aa3ae5a46aa5bc44377aca1f3de44d1a1125df67a0cf964505b02dc5a", kill_on_drop: false }`
[INFO] [stdout] d431f89aa3ae5a46aa5bc44377aca1f3de44d1a1125df67a0cf964505b02dc5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 614a4f0a46ff4041bdbb661aa3b5e2b5c6aad503a753d46347eb14b541655ebf
[INFO] running `Command { std: "docker" "start" "-a" "614a4f0a46ff4041bdbb661aa3b5e2b5c6aad503a753d46347eb14b541655ebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-practic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `p1`
[INFO] [stdout]   --> src/generics.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let p1 = Point { x: 1, y: 2 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]   --> src/generics.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let p2 = Point { x: 1.0, y: 2.0 };
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user1`
[INFO] [stdout]   --> src/structs.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let user1 = User {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> src/generics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point<T> {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 2 |     x: T,
[INFO] [stdout]   |     ^
[INFO] [stdout] 3 |     y: T,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest_i32` is never used
[INFO] [stdout]   --> src/generics.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn largest_i32(list: Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dummy3` is never used
[INFO] [stdout]   --> src/lifetime.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn dummy3() -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/stack_heap.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Node(i32, Box<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[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] 2 -     Node(i32, Box<List>),
[INFO] [stdout] 2 +     Node((), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `username`, `sign_in_count`, and `active` are never read
[INFO] [stdout]  --> src/structs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     username: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     email: String,
[INFO] [stdout] 5 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 6 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` 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 `headline`, `location`, `author`, and `content` are never read
[INFO] [stdout]   --> src/traits.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct NewsArticle {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 27 |     headline: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     location: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     author: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 30 |     content: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reply` and `retweet` are never read
[INFO] [stdout]   --> src/traits.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Tweet {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     reply: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     retweet: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "614a4f0a46ff4041bdbb661aa3b5e2b5c6aad503a753d46347eb14b541655ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614a4f0a46ff4041bdbb661aa3b5e2b5c6aad503a753d46347eb14b541655ebf", kill_on_drop: false }`
[INFO] [stdout] 614a4f0a46ff4041bdbb661aa3b5e2b5c6aad503a753d46347eb14b541655ebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94f86d8d72f22a1536f8d0aef8424ab8a0c4df9b0d1834674f19ba288d0996ad
[INFO] running `Command { std: "docker" "start" "-a" "94f86d8d72f22a1536f8d0aef8424ab8a0c4df9b0d1834674f19ba288d0996ad", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `p1`
[INFO] [stderr]   --> src/generics.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let p1 = Point { x: 1, y: 2 };
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2`
[INFO] [stderr]   --> src/generics.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let p2 = Point { x: 1.0, y: 2.0 };
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user1`
[INFO] [stderr]   --> src/structs.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let user1 = User {
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_user1`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]  --> src/generics.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Point<T> {
[INFO] [stderr]   |        ----- fields in this struct
[INFO] [stderr] 2 |     x: T,
[INFO] [stderr]   |     ^
[INFO] [stderr] 3 |     y: T,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `largest_i32` is never used
[INFO] [stderr]   --> src/generics.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn largest_i32(list: Vec<i32>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dummy3` is never used
[INFO] [stderr]   --> src/lifetime.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn dummy3() -> String {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]  --> src/stack_heap.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Node(i32, Box<List>),
[INFO] [stderr]   |     ---- ^^^  ^^^^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     fields in this variant
[INFO] [stderr]   |
[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] 2 -     Node(i32, Box<List>),
[INFO] [stderr] 2 +     Node((), ()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `username`, `sign_in_count`, and `active` are never read
[INFO] [stderr]  --> src/structs.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct User {
[INFO] [stderr]   |        ---- fields in this struct
[INFO] [stderr] 3 |     username: String,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 4 |     email: String,
[INFO] [stderr] 5 |     sign_in_count: u64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 6 |     active: bool,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `headline`, `location`, `author`, and `content` are never read
[INFO] [stderr]   --> src/traits.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct NewsArticle {
[INFO] [stderr]    |        ----------- fields in this struct
[INFO] [stderr] 27 |     headline: String,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 28 |     location: String,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 29 |     author: String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 30 |     content: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `reply` and `retweet` are never read
[INFO] [stderr]   --> src/traits.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | struct Tweet {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 41 |     reply: bool,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 42 |     retweet: bool,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-practic` (bin "rust-practic" test) generated 10 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_practic-8c04f6b817f3fd7b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test unit_test::tests::test_a_is_larger ... ok
[INFO] [stdout] test unit_test::tests::test_a_is_smaller ... ok
[INFO] [stdout] test unit_test::tests::test_double ... ok
[INFO] [stdout] test unit_test::tests::test_contains_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94f86d8d72f22a1536f8d0aef8424ab8a0c4df9b0d1834674f19ba288d0996ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f86d8d72f22a1536f8d0aef8424ab8a0c4df9b0d1834674f19ba288d0996ad", kill_on_drop: false }`
[INFO] [stdout] 94f86d8d72f22a1536f8d0aef8424ab8a0c4df9b0d1834674f19ba288d0996ad