[INFO] cloning repository https://github.com/AbdeldjalilChougui/tuto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AbdeldjalilChougui/tuto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdeldjalilChougui%2Ftuto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdeldjalilChougui%2Ftuto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2680b4e517ff0afdf0553da3f050fc6a780f5a14
[INFO] checking AbdeldjalilChougui/tuto against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdeldjalilChougui%2Ftuto" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AbdeldjalilChougui/tuto
[INFO] finished tweaking git repo https://github.com/AbdeldjalilChougui/tuto
[INFO] tweaked toml for git repo https://github.com/AbdeldjalilChougui/tuto written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AbdeldjalilChougui/tuto on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AbdeldjalilChougui/tuto 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded hyper-util v0.1.16
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[INFO] [stderr]   Downloaded serde_json v1.0.141
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "f91c270c599cf8df3d297c58b381401b2b17ec3f28a90f20d090ee3304d72c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f91c270c599cf8df3d297c58b381401b2b17ec3f28a90f20d090ee3304d72c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91c270c599cf8df3d297c58b381401b2b17ec3f28a90f20d090ee3304d72c3e", kill_on_drop: false }`
[INFO] [stdout] f91c270c599cf8df3d297c58b381401b2b17ec3f28a90f20d090ee3304d72c3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "9b012326a7519a7123573d18c245e8ba0190b596e2c96b1e6e7b3baaa46b023e", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/risein.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     if (*b == 0.0) {
[INFO] [stdout]    |                        ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -                     if (*b == 0.0) {
[INFO] [stdout] 44 +                     if *b == 0.0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/risein.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |                     if (*b == 0.0) {
[INFO] [stdout]    |                        ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 -                     if (*b == 0.0) {
[INFO] [stdout] 44 +                     if *b == 0.0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/risein.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |             let x = affect(42); // works with integers
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/risein.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let y = affect("hello"); // works with strings
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/risein.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |             let x = affect(42); // works with integers
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/risein.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let y = affect("hello"); // works with strings
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         _ => println!("invalid direction"),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         Direction::North => println!("going north"),
[INFO] [stdout]     |         ---------------- matches some of the same values
[INFO] [stdout] 186 |         Direction::South => println!("going south"),
[INFO] [stdout]     |         ---------------- matches some of the same values
[INFO] [stdout] 187 |         Direction::East => println!("going east"),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 188 |         Direction::West => println!("going west"),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 189 |         _ => println!("invalid direction"),
[INFO] [stdout]     |         ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         _ => println!("invalid direction"),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         Direction::North => println!("going north"),
[INFO] [stdout]     |         ---------------- matches some of the same values
[INFO] [stdout] 186 |         Direction::South => println!("going south"),
[INFO] [stdout]     |         ---------------- matches some of the same values
[INFO] [stdout] 187 |         Direction::East => println!("going east"),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 188 |         Direction::West => println!("going west"),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 189 |         _ => println!("invalid direction"),
[INFO] [stdout]     |         ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let mut my_str = String::from("Hello, Everyone");
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let mut my_str2 = String::from("Hello,              \t\t\n");
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/main.rs:473:17
[INFO] [stdout]     |
[INFO] [stdout] 473 |     let mut x = 10;
[INFO] [stdout]     |                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `South`, `East`, and `West` are never constructed
[INFO] [stdout]    --> src/main.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     enum Direction {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] 176 |         North,
[INFO] [stdout] 177 |         South,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 178 |         East,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 179 |         West,
[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 `give_two` is never used
[INFO] [stdout]    --> src/main.rs:423:4
[INFO] [stdout]     |
[INFO] [stdout] 423 | fn give_two() -> i32 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traits` is never used
[INFO] [stdout]    --> src/risein.rs:102:16
[INFO] [stdout]     |
[INFO] [stdout] 102 |         pub fn traits() {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Drawable` is never used
[INFO] [stdout]    --> src/risein.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 |         trait Drawable {
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]    --> src/risein.rs:199:16
[INFO] [stdout]     |
[INFO] [stdout] 199 |         struct Circle {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]    --> src/risein.rs:203:16
[INFO] [stdout]     |
[INFO] [stdout] 203 |         struct Rectangle {
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_object` is never used
[INFO] [stdout]    --> src/risein.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 |         fn draw_object(d: &dyn Drawable) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_draw` is never used
[INFO] [stdout]    --> src/risein.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |         fn main_draw() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let mut my_str = String::from("Hello, Everyone");
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |         let mut my_str2 = String::from("Hello,              \t\t\n");
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `riseIn` should have a snake case name
[INFO] [stdout]  --> src/risein.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod riseIn {
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `rise_in`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/risein.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let _ = std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/risein.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let _ = std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/main.rs:473:17
[INFO] [stdout]     |
[INFO] [stdout] 473 |     let mut x = 10;
[INFO] [stdout]     |                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traits` is never used
[INFO] [stdout]    --> src/risein.rs:102:16
[INFO] [stdout]     |
[INFO] [stdout] 102 |         pub fn traits() {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Drawable` is never used
[INFO] [stdout]    --> src/risein.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 |         trait Drawable {
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Circle` is never constructed
[INFO] [stdout]    --> src/risein.rs:199:16
[INFO] [stdout]     |
[INFO] [stdout] 199 |         struct Circle {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]    --> src/risein.rs:203:16
[INFO] [stdout]     |
[INFO] [stdout] 203 |         struct Rectangle {
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_object` is never used
[INFO] [stdout]    --> src/risein.rs:221:12
[INFO] [stdout]     |
[INFO] [stdout] 221 |         fn draw_object(d: &dyn Drawable) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_draw` is never used
[INFO] [stdout]    --> src/risein.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |         fn main_draw() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `riseIn` should have a snake case name
[INFO] [stdout]  --> src/risein.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod riseIn {
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `rise_in`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/risein.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let _ = std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/risein.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let _ = std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `Command { std: "docker" "inspect" "9b012326a7519a7123573d18c245e8ba0190b596e2c96b1e6e7b3baaa46b023e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b012326a7519a7123573d18c245e8ba0190b596e2c96b1e6e7b3baaa46b023e", kill_on_drop: false }`
[INFO] [stdout] 9b012326a7519a7123573d18c245e8ba0190b596e2c96b1e6e7b3baaa46b023e
