[INFO] cloning repository https://github.com/Sudhindra3000/rust_by_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sudhindra3000/rust_by_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSudhindra3000%2Frust_by_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSudhindra3000%2Frust_by_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5b22ce317806069df729e19a1fe4db748be3ebd
[INFO] checking Sudhindra3000/rust_by_example against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSudhindra3000%2Frust_by_example" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sudhindra3000/rust_by_example on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sudhindra3000/rust_by_example
[INFO] finished tweaking git repo https://github.com/Sudhindra3000/rust_by_example
[INFO] tweaked toml for git repo https://github.com/Sudhindra3000/rust_by_example written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sudhindra3000/rust_by_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "2b359df343b6a6c64e8a44eedec948cbc8f600239cfdabe9af452414c4f55fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b359df343b6a6c64e8a44eedec948cbc8f600239cfdabe9af452414c4f55fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b359df343b6a6c64e8a44eedec948cbc8f600239cfdabe9af452414c4f55fb2", kill_on_drop: false }`
[INFO] [stdout] 2b359df343b6a6c64e8a44eedec948cbc8f600239cfdabe9af452414c4f55fb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0b2dca9e8dfc43636789710bf102a793ab0ec842b84ad9b0085caf6611b8c95
[INFO] running `Command { std: "docker" "start" "-a" "f0b2dca9e8dfc43636789710bf102a793ab0ec842b84ad9b0085caf6611b8c95", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_by_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/part6_conversion.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/part8_flow_control/flow_control.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         'inner: loop {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/part6_conversion.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/part8_flow_control/flow_control.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         'inner: loop {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/part9_functions/diverging_functions.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let x = panic!("This call never returns");
[INFO] [stdout]   |             --------------------------------- any code following this expression is unreachable
[INFO] [stdout] 4 |     println!("You will never see this line");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/part8_flow_control/if_let.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     if let Foo::Bar = a {
[INFO] [stdout] 58 | |         // ^-- this causes a compile-time error. Use `if let` instead.
[INFO] [stdout] 59 | |         println!("a is foobar");
[INFO] [stdout] 60 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used
[INFO] [stdout]  --> src/part2_primitives.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut inferred_type = 12; // Type i64 is inferred from another line
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_inferred_type` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inferred_type` is never read
[INFO] [stdout]  --> src/part2_primitives.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     inferred_type = 4294967296i64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mutable` is never read
[INFO] [stdout]  --> src/part2_primitives.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut mutable = 12; // Mutable `i32`
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]   --> src/part3_custom_types.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let pair = Pair(1, 0.1);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/type_aliases.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let x = Operations::Add;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emoticon`
[INFO] [stdout]  --> src/part8_flow_control/if_let.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let emoticon: Option<i32> = None;
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emoticon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/part8_flow_control/if_let.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |     if let Foo::Qux(value @ 100) = c {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y2`
[INFO] [stdout]   --> src/part9_functions/functions.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let Point { x: x2, y: y2 } = self.p2;
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_y2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/part9_functions/diverging_functions.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let x = panic!("This call never returns");
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]  --> src/part9_functions/diverging_functions.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let x = panic!("This call never returns");
[INFO] [stdout]   |             --------------------------------- any code following this expression is unreachable
[INFO] [stdout] 4 |     println!("You will never see this line");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/part8_flow_control/if_let.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     if let Foo::Bar = a {
[INFO] [stdout] 58 | |         // ^-- this causes a compile-time error. Use `if let` instead.
[INFO] [stdout] 59 | |         println!("a is foobar");
[INFO] [stdout] 60 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used
[INFO] [stdout]  --> src/part2_primitives.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut inferred_type = 12; // Type i64 is inferred from another line
[INFO] [stdout]   |             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_inferred_type` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inferred_type` is never read
[INFO] [stdout]  --> src/part2_primitives.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     inferred_type = 4294967296i64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mutable` is never read
[INFO] [stdout]  --> src/part2_primitives.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut mutable = 12; // Mutable `i32`
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]   --> src/part3_custom_types.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let pair = Pair(1, 0.1);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/type_aliases.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let x = Operations::Add;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emoticon`
[INFO] [stdout]  --> src/part8_flow_control/if_let.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let emoticon: Option<i32> = None;
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emoticon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/part8_flow_control/if_let.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 |     if let Foo::Qux(value @ 100) = c {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y2`
[INFO] [stdout]   --> src/part9_functions/functions.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let Point { x: x2, y: y2 } = self.p2;
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_y2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/part9_functions/diverging_functions.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let x = panic!("This call never returns");
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `LANGUAGE`
[INFO] [stdout]  --> src/constants.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | static LANGUAGE: &str = "Rust";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `THRESHOLD`
[INFO] [stdout]  --> src/constants.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | const THRESHOLD: i32 = 10;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_big`
[INFO] [stdout]  --> src/constants.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn is_big(n: i32) -> bool {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/constants.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part1_hello_world.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `formatted_print`
[INFO] [stdout]  --> src/part1_hello_world.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn formatted_print() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part2_primitives.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reverse`
[INFO] [stdout]   --> src/part2_primitives.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn reverse(pair: (i32, bool)) -> (bool, i32) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tuples`
[INFO] [stdout]   --> src/part2_primitives.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn tuples() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `analyze_slice`
[INFO] [stdout]   --> src/part2_primitives.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn analyze_slice(slice: &[i32]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arrays_and_slices`
[INFO] [stdout]   --> src/part2_primitives.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn arrays_and_slices() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part3_custom_types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]   --> src/part3_custom_types.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rectangle`
[INFO] [stdout]   --> src/part3_custom_types.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Unit`
[INFO] [stdout]   --> src/part3_custom_types.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Unit;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pair`
[INFO] [stdout]   --> src/part3_custom_types.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Pair(i32, f32);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `structs`
[INFO] [stdout]   --> src/part3_custom_types.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn structs() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `WebEvent`
[INFO] [stdout]   --> src/part3_custom_types.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | enum WebEvent {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `inspect`
[INFO] [stdout]   --> src/part3_custom_types.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn inspect(event: WebEvent) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enums`
[INFO] [stdout]   --> src/part3_custom_types.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn enums() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Status`
[INFO] [stdout]   --> src/part3_custom_types.rs:99:6
[INFO] [stdout]    |
[INFO] [stdout] 99 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Work`
[INFO] [stdout]    --> src/part3_custom_types.rs:104:6
[INFO] [stdout]     |
[INFO] [stdout] 104 | enum Work {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enums_use`
[INFO] [stdout]    --> src/part3_custom_types.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn enums_use() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Number`
[INFO] [stdout]    --> src/part3_custom_types.rs:134:6
[INFO] [stdout]     |
[INFO] [stdout] 134 | enum Number {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Color`
[INFO] [stdout]    --> src/part3_custom_types.rs:141:6
[INFO] [stdout]     |
[INFO] [stdout] 141 | enum Color {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `c_like_enums`
[INFO] [stdout]    --> src/part3_custom_types.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn c_like_enums() {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part4_variable_bindings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scope_and_shadowing`
[INFO] [stdout]   --> src/part4_variable_bindings.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn scope_and_shadowing() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shadowing`
[INFO] [stdout]   --> src/part4_variable_bindings.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn shadowing() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `declare_first`
[INFO] [stdout]   --> src/part4_variable_bindings.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn declare_first() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `freezing`
[INFO] [stdout]   --> src/part4_variable_bindings.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn freezing() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part5_types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `casting`
[INFO] [stdout]  --> src/part5_types.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn casting() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_inference`
[INFO] [stdout]   --> src/part5_types.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn type_inference() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `LongAaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaassEnum`
[INFO] [stdout]  --> src/type_aliases.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum LongAaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaassEnum {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]  --> src/type_aliases.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn run(&self, x: i32, y: i32) -> i32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Operations`
[INFO] [stdout]   --> src/type_aliases.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | type Operations = LongAaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaassEnum;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/type_aliases.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/for_loops.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part6_conversion.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from_and_into`
[INFO] [stdout]   --> src/part6_conversion.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn from_and_into() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_from_and_try_into`
[INFO] [stdout]   --> src/part6_conversion.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn try_from_and_try_into() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_and_from_strings`
[INFO] [stdout]   --> src/part6_conversion.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn to_and_from_strings() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part7_expressions.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part8_flow_control/flow_control.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nesting_and_labels`
[INFO] [stdout]  --> src/part8_flow_control/flow_control.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn nesting_and_labels() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `returning_from_loops`
[INFO] [stdout]   --> src/part8_flow_control/flow_control.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn returning_from_loops() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part8_flow_control/if_let.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge`
[INFO] [stdout]   --> src/part8_flow_control/if_let.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn challenge() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part8_flow_control/match_example.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_example`
[INFO] [stdout]   --> src/part8_flow_control/match_example.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn match_example() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `destructuring`
[INFO] [stdout]   --> src/part8_flow_control/match_example.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn destructuring() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enums`
[INFO] [stdout]   --> src/part8_flow_control/match_example.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn enums() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pointers_refs`
[INFO] [stdout]   --> src/part8_flow_control/match_example.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn pointers_refs() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `structs`
[INFO] [stdout]   --> src/part8_flow_control/match_example.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn structs() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `guards`
[INFO] [stdout]    --> src/part8_flow_control/match_example.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn guards() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binding`
[INFO] [stdout]    --> src/part8_flow_control/match_example.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn binding() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part8_flow_control/while_let.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part9_functions/closures.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `closures`
[INFO] [stdout]  --> src/part9_functions/closures.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn closures() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `capturing`
[INFO] [stdout]   --> src/part9_functions/closures.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn capturing() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `input_parameters`
[INFO] [stdout]    --> src/part9_functions/closures.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn input_parameters() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part9_functions/functions.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/part9_functions/functions.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `origin`
[INFO] [stdout]   --> src/part9_functions/functions.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn origin() -> Point {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/part9_functions/functions.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(x: f64, y: f64) -> Point {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rectangle`
[INFO] [stdout]   --> src/part9_functions/functions.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/part9_functions/functions.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn area(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `perimeter`
[INFO] [stdout]   --> src/part9_functions/functions.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn perimeter(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate`
[INFO] [stdout]   --> src/part9_functions/functions.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn translate(&mut self, x: f64, y: f64) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pair`
[INFO] [stdout]   --> src/part9_functions/functions.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct Pair(Box<i32>, Box<i32>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `methods`
[INFO] [stdout]   --> src/part9_functions/functions.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn methods() {}
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_odd`
[INFO] [stdout]  --> src/part9_functions/higher_order_functions.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_odd(n: u32) -> bool {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part9_functions/higher_order_functions.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/part9_functions/diverging_functions.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/part9_functions/diverging_functions.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> src/part7_expressions.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         2 * x;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 90 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `LANGUAGE`
[INFO] [stdout]  --> src/constants.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | static LANGUAGE: &str = "Rust";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `THRESHOLD`
[INFO] [stdout]  --> src/constants.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | const THRESHOLD: i32 = 10;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_big`
[INFO] [stdout]  --> src/constants.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn is_big(n: i32) -> bool {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/constants.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part1_hello_world.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `formatted_print`
[INFO] [stdout]  --> src/part1_hello_world.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn formatted_print() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part2_primitives.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reverse`
[INFO] [stdout]   --> src/part2_primitives.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn reverse(pair: (i32, bool)) -> (bool, i32) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tuples`
[INFO] [stdout]   --> src/part2_primitives.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn tuples() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `analyze_slice`
[INFO] [stdout]   --> src/part2_primitives.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn analyze_slice(slice: &[i32]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arrays_and_slices`
[INFO] [stdout]   --> src/part2_primitives.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn arrays_and_slices() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part3_custom_types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]   --> src/part3_custom_types.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rectangle`
[INFO] [stdout]   --> src/part3_custom_types.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Unit`
[INFO] [stdout]   --> src/part3_custom_types.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Unit;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pair`
[INFO] [stdout]   --> src/part3_custom_types.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Pair(i32, f32);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `structs`
[INFO] [stdout]   --> src/part3_custom_types.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn structs() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `WebEvent`
[INFO] [stdout]   --> src/part3_custom_types.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | enum WebEvent {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `inspect`
[INFO] [stdout]   --> src/part3_custom_types.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn inspect(event: WebEvent) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enums`
[INFO] [stdout]   --> src/part3_custom_types.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn enums() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Status`
[INFO] [stdout]   --> src/part3_custom_types.rs:99:6
[INFO] [stdout]    |
[INFO] [stdout] 99 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Work`
[INFO] [stdout]    --> src/part3_custom_types.rs:104:6
[INFO] [stdout]     |
[INFO] [stdout] 104 | enum Work {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enums_use`
[INFO] [stdout]    --> src/part3_custom_types.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn enums_use() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Number`
[INFO] [stdout]    --> src/part3_custom_types.rs:134:6
[INFO] [stdout]     |
[INFO] [stdout] 134 | enum Number {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Color`
[INFO] [stdout]    --> src/part3_custom_types.rs:141:6
[INFO] [stdout]     |
[INFO] [stdout] 141 | enum Color {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `c_like_enums`
[INFO] [stdout]    --> src/part3_custom_types.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn c_like_enums() {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part4_variable_bindings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scope_and_shadowing`
[INFO] [stdout]   --> src/part4_variable_bindings.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn scope_and_shadowing() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shadowing`
[INFO] [stdout]   --> src/part4_variable_bindings.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn shadowing() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `declare_first`
[INFO] [stdout]   --> src/part4_variable_bindings.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn declare_first() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `freezing`
[INFO] [stdout]   --> src/part4_variable_bindings.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn freezing() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part5_types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `casting`
[INFO] [stdout]  --> src/part5_types.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn casting() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `type_inference`
[INFO] [stdout]   --> src/part5_types.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn type_inference() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `LongAaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaassEnum`
[INFO] [stdout]  --> src/type_aliases.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum LongAaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaassEnum {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]  --> src/type_aliases.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn run(&self, x: i32, y: i32) -> i32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Operations`
[INFO] [stdout]   --> src/type_aliases.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | type Operations = LongAaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaassEnum;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/type_aliases.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/for_loops.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part6_conversion.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `from_and_into`
[INFO] [stdout]   --> src/part6_conversion.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn from_and_into() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_from_and_try_into`
[INFO] [stdout]   --> src/part6_conversion.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn try_from_and_try_into() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_and_from_strings`
[INFO] [stdout]   --> src/part6_conversion.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn to_and_from_strings() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part7_expressions.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part8_flow_control/flow_control.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nesting_and_labels`
[INFO] [stdout]  --> src/part8_flow_control/flow_control.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn nesting_and_labels() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `returning_from_loops`
[INFO] [stdout]   --> src/part8_flow_control/flow_control.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn returning_from_loops() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part8_flow_control/if_let.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `challenge`
[INFO] [stdout]   --> src/part8_flow_control/if_let.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn challenge() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part8_flow_control/match_example.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_example`
[INFO] [stdout]   --> src/part8_flow_control/match_example.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn match_example() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `destructuring`
[INFO] [stdout]   --> src/part8_flow_control/match_example.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn destructuring() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enums`
[INFO] [stdout]   --> src/part8_flow_control/match_example.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn enums() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pointers_refs`
[INFO] [stdout]   --> src/part8_flow_control/match_example.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn pointers_refs() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `structs`
[INFO] [stdout]   --> src/part8_flow_control/match_example.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn structs() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `guards`
[INFO] [stdout]    --> src/part8_flow_control/match_example.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn guards() {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binding`
[INFO] [stdout]    --> src/part8_flow_control/match_example.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn binding() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part8_flow_control/while_let.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part9_functions/closures.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `closures`
[INFO] [stdout]  --> src/part9_functions/closures.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn closures() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `capturing`
[INFO] [stdout]   --> src/part9_functions/closures.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn capturing() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `input_parameters`
[INFO] [stdout]    --> src/part9_functions/closures.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn input_parameters() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part9_functions/functions.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/part9_functions/functions.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `origin`
[INFO] [stdout]   --> src/part9_functions/functions.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn origin() -> Point {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/part9_functions/functions.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(x: f64, y: f64) -> Point {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rectangle`
[INFO] [stdout]   --> src/part9_functions/functions.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/part9_functions/functions.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn area(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `perimeter`
[INFO] [stdout]   --> src/part9_functions/functions.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn perimeter(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate`
[INFO] [stdout]   --> src/part9_functions/functions.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn translate(&mut self, x: f64, y: f64) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pair`
[INFO] [stdout]   --> src/part9_functions/functions.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct Pair(Box<i32>, Box<i32>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `methods`
[INFO] [stdout]   --> src/part9_functions/functions.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn methods() {}
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_odd`
[INFO] [stdout]  --> src/part9_functions/higher_order_functions.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn is_odd(n: u32) -> bool {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/part9_functions/higher_order_functions.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/part9_functions/diverging_functions.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/part9_functions/diverging_functions.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> src/part7_expressions.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         2 * x;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 90 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "f0b2dca9e8dfc43636789710bf102a793ab0ec842b84ad9b0085caf6611b8c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b2dca9e8dfc43636789710bf102a793ab0ec842b84ad9b0085caf6611b8c95", kill_on_drop: false }`
[INFO] [stdout] f0b2dca9e8dfc43636789710bf102a793ab0ec842b84ad9b0085caf6611b8c95