[INFO] cloning repository https://github.com/yericoalexander/rust-belajar-yerico-alexander
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yericoalexander/rust-belajar-yerico-alexander" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyericoalexander%2Frust-belajar-yerico-alexander", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyericoalexander%2Frust-belajar-yerico-alexander'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 791b3f95aed9d61ff55fb3e5a4391294979487fa
[INFO] checking yericoalexander/rust-belajar-yerico-alexander against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyericoalexander%2Frust-belajar-yerico-alexander" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yericoalexander/rust-belajar-yerico-alexander
[INFO] finished tweaking git repo https://github.com/yericoalexander/rust-belajar-yerico-alexander
[INFO] tweaked toml for git repo https://github.com/yericoalexander/rust-belajar-yerico-alexander written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yericoalexander/rust-belajar-yerico-alexander on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yericoalexander/rust-belajar-yerico-alexander 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52a8418b7fd7cb419112387501132ca191bdc6c07301fc4f4b73e0df2dcb5ff1
[INFO] running `Command { std: "docker" "start" "-a" "52a8418b7fd7cb419112387501132ca191bdc6c07301fc4f4b73e0df2dcb5ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52a8418b7fd7cb419112387501132ca191bdc6c07301fc4f4b73e0df2dcb5ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a8418b7fd7cb419112387501132ca191bdc6c07301fc4f4b73e0df2dcb5ff1", kill_on_drop: false }`
[INFO] [stdout] 52a8418b7fd7cb419112387501132ca191bdc6c07301fc4f4b73e0df2dcb5ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 515b116cc7254ba555dfb1dd79a42dd161f979d884b84635c081440f929e7b27
[INFO] running `Command { std: "docker" "start" "-a" "515b116cc7254ba555dfb1dd79a42dd161f979d884b84635c081440f929e7b27", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-14-Mei-2025 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Read`, and `self`
[INFO] [stdout]    --> src/mei_19/collection.rs:274:23
[INFO] [stdout]     |
[INFO] [stdout] 274 |         use std::io::{self, ErrorKind, Read};
[INFO] [stdout]     |                       ^^^^  ^^^^^^^^^  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Read`, and `self`
[INFO] [stdout]    --> src/mei_19/collection.rs:274:23
[INFO] [stdout]     |
[INFO] [stdout] 274 |         use std::io::{self, ErrorKind, Read};
[INFO] [stdout]     |                       ^^^^  ^^^^^^^^^  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg1`
[INFO] [stdout]   --> src/mei_17/structs.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let msg1 = Message::Quit;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_msg1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg2`
[INFO] [stdout]   --> src/mei_17/structs.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let msg2 = Message::Move { x: 10, y: 20 };
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_msg2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg4`
[INFO] [stdout]   --> src/mei_17/structs.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let msg4 = Message::Color(255, 0, 0);
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_msg4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/mei_19/collection.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let row = vec![
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/mei_19/collection.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let file = match file_result {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/mei_17/structs.rs:69:24
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 Move { x: i32, y: i32 },    // Struct-like
[INFO] [stdout]    |                 ----   ^       ^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mei_17/structs.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 Write(String),              // Tuple-like
[INFO] [stdout]    |                 ----- ^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 70 -                 Write(String),              // Tuple-like
[INFO] [stdout] 70 +                 Write(()),              // Tuple-like
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/mei_17/structs.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Color(i32, i32, i32),       // Tuple dengan banyak nilai
[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] 71 -                 Color(i32, i32, i32),       // Tuple dengan banyak nilai
[INFO] [stdout] 71 +                 Color((), (), ()),       // Tuple dengan banyak nilai
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Nickel` and `Dime` are never constructed
[INFO] [stdout]   --> src/mei_17/structs.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |             enum Coin {
[INFO] [stdout]    |                  ---- variants in this enum
[INFO] [stdout] 96 |                 Penny,
[INFO] [stdout] 97 |                 Nickel,
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 98 |                 Dime,
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mei_19/collection.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         Int(i32),
[INFO] [stdout]    |         --- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 -         Int(i32),
[INFO] [stdout] 53 +         Int(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mei_19/collection.rs:54:15
[INFO] [stdout]    |
[INFO] [stdout] 54 |         Float(f64),
[INFO] [stdout]    |         ----- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 -         Float(f64),
[INFO] [stdout] 54 +         Float(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mei_19/collection.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 55 |         Text(String),
[INFO] [stdout]    |         ---- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 -         Text(String),
[INFO] [stdout] 55 +         Text(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `buka_file` is never used
[INFO] [stdout]    --> src/mei_19/collection.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn buka_file() -> Result<File, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `buka_file_dengan_handling` is never used
[INFO] [stdout]    --> src/mei_19/collection.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn buka_file_dengan_handling() -> Result<File, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baca_username_dari_file` is never used
[INFO] [stdout]    --> src/mei_19/collection.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn baca_username_dari_file() -> Result<String, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baca_username_singkat` is never used
[INFO] [stdout]    --> src/mei_19/collection.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn baca_username_singkat() -> Result<String, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_handling_example` is never used
[INFO] [stdout]    --> src/mei_19/collection.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn error_handling_example() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg1`
[INFO] [stdout]   --> src/mei_17/structs.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let msg1 = Message::Quit;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_msg1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg2`
[INFO] [stdout]   --> src/mei_17/structs.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let msg2 = Message::Move { x: 10, y: 20 };
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_msg2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg4`
[INFO] [stdout]   --> src/mei_17/structs.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let msg4 = Message::Color(255, 0, 0);
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_msg4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/mei_19/collection.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let row = vec![
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/mei_19/collection.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let file = match file_result {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/mei_17/structs.rs:69:24
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 Move { x: i32, y: i32 },    // Struct-like
[INFO] [stdout]    |                 ----   ^       ^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mei_17/structs.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 Write(String),              // Tuple-like
[INFO] [stdout]    |                 ----- ^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 70 -                 Write(String),              // Tuple-like
[INFO] [stdout] 70 +                 Write(()),              // Tuple-like
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/mei_17/structs.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Color(i32, i32, i32),       // Tuple dengan banyak nilai
[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] 71 -                 Color(i32, i32, i32),       // Tuple dengan banyak nilai
[INFO] [stdout] 71 +                 Color((), (), ()),       // Tuple dengan banyak nilai
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Nickel` and `Dime` are never constructed
[INFO] [stdout]   --> src/mei_17/structs.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |             enum Coin {
[INFO] [stdout]    |                  ---- variants in this enum
[INFO] [stdout] 96 |                 Penny,
[INFO] [stdout] 97 |                 Nickel,
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout] 98 |                 Dime,
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mei_19/collection.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         Int(i32),
[INFO] [stdout]    |         --- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 -         Int(i32),
[INFO] [stdout] 53 +         Int(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mei_19/collection.rs:54:15
[INFO] [stdout]    |
[INFO] [stdout] 54 |         Float(f64),
[INFO] [stdout]    |         ----- ^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 -         Float(f64),
[INFO] [stdout] 54 +         Float(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mei_19/collection.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 55 |         Text(String),
[INFO] [stdout]    |         ---- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 -         Text(String),
[INFO] [stdout] 55 +         Text(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `buka_file` is never used
[INFO] [stdout]    --> src/mei_19/collection.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn buka_file() -> Result<File, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `buka_file_dengan_handling` is never used
[INFO] [stdout]    --> src/mei_19/collection.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn buka_file_dengan_handling() -> Result<File, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baca_username_dari_file` is never used
[INFO] [stdout]    --> src/mei_19/collection.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn baca_username_dari_file() -> Result<String, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baca_username_singkat` is never used
[INFO] [stdout]    --> src/mei_19/collection.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn baca_username_singkat() -> Result<String, io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error_handling_example` is never used
[INFO] [stdout]    --> src/mei_19/collection.rs:272:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn error_handling_example() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "515b116cc7254ba555dfb1dd79a42dd161f979d884b84635c081440f929e7b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515b116cc7254ba555dfb1dd79a42dd161f979d884b84635c081440f929e7b27", kill_on_drop: false }`
[INFO] [stdout] 515b116cc7254ba555dfb1dd79a42dd161f979d884b84635c081440f929e7b27
