[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] testing yericoalexander/rust-belajar-yerico-alexander against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyericoalexander%2Frust-belajar-yerico-alexander" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yericoalexander/rust-belajar-yerico-alexander on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a1a42f3b10ee8c6ad857a5ebcf865e89b4666392be7b8b3f60b79611c37e913
[INFO] running `Command { std: "docker" "start" "-a" "8a1a42f3b10ee8c6ad857a5ebcf865e89b4666392be7b8b3f60b79611c37e913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a1a42f3b10ee8c6ad857a5ebcf865e89b4666392be7b8b3f60b79611c37e913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1a42f3b10ee8c6ad857a5ebcf865e89b4666392be7b8b3f60b79611c37e913", kill_on_drop: false }`
[INFO] [stdout] 8a1a42f3b10ee8c6ad857a5ebcf865e89b4666392be7b8b3f60b79611c37e913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 771ab03286818310ef18f72fb3c27ef8bfe95b5e7abc7ff7389f157b9ae0d8f3
[INFO] running `Command { std: "docker" "start" "-a" "771ab03286818310ef18f72fb3c27ef8bfe95b5e7abc7ff7389f157b9ae0d8f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 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 0.69s
[INFO] running `Command { std: "docker" "inspect" "771ab03286818310ef18f72fb3c27ef8bfe95b5e7abc7ff7389f157b9ae0d8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771ab03286818310ef18f72fb3c27ef8bfe95b5e7abc7ff7389f157b9ae0d8f3", kill_on_drop: false }`
[INFO] [stdout] 771ab03286818310ef18f72fb3c27ef8bfe95b5e7abc7ff7389f157b9ae0d8f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 628a1a590fb406954b3ed99a30c3058632ed7c0185df75b2dd692cc412e4643c
[INFO] running `Command { std: "docker" "start" "-a" "628a1a590fb406954b3ed99a30c3058632ed7c0185df75b2dd692cc412e4643c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 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 `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "628a1a590fb406954b3ed99a30c3058632ed7c0185df75b2dd692cc412e4643c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "628a1a590fb406954b3ed99a30c3058632ed7c0185df75b2dd692cc412e4643c", kill_on_drop: false }`
[INFO] [stdout] 628a1a590fb406954b3ed99a30c3058632ed7c0185df75b2dd692cc412e4643c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0505dc3cdcb190dcb7c0b9efa27801cea43fa1b093ebb204e3a73e52ebd74024
[INFO] running `Command { std: "docker" "start" "-a" "0505dc3cdcb190dcb7c0b9efa27801cea43fa1b093ebb204e3a73e52ebd74024", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Read`, and `self`
[INFO] [stderr]    --> src/mei_19/collection.rs:274:23
[INFO] [stderr]     |
[INFO] [stderr] 274 |         use std::io::{self, ErrorKind, Read};
[INFO] [stderr]     |                       ^^^^  ^^^^^^^^^  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg1`
[INFO] [stderr]   --> src/mei_17/structs.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let msg1 = Message::Quit;
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_msg1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg2`
[INFO] [stderr]   --> src/mei_17/structs.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |             let msg2 = Message::Move { x: 10, y: 20 };
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_msg2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg4`
[INFO] [stderr]   --> src/mei_17/structs.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let msg4 = Message::Color(255, 0, 0);
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_msg4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/mei_19/collection.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let row = vec![
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/mei_19/collection.rs:278:13
[INFO] [stderr]     |
[INFO] [stderr] 278 |         let file = match file_result {
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]   --> src/mei_17/structs.rs:69:24
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 Move { x: i32, y: i32 },    // Struct-like
[INFO] [stderr]    |                 ----   ^       ^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/mei_17/structs.rs:70:23
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 Write(String),              // Tuple-like
[INFO] [stderr]    |                 ----- ^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 70 -                 Write(String),              // Tuple-like
[INFO] [stderr] 70 +                 Write(()),              // Tuple-like
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]   --> src/mei_17/structs.rs:71:23
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 Color(i32, i32, i32),       // Tuple dengan banyak nilai
[INFO] [stderr]    |                 ----- ^^^  ^^^  ^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 fields in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 71 -                 Color(i32, i32, i32),       // Tuple dengan banyak nilai
[INFO] [stderr] 71 +                 Color((), (), ()),       // Tuple dengan banyak nilai
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Nickel` and `Dime` are never constructed
[INFO] [stderr]   --> src/mei_17/structs.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |             enum Coin {
[INFO] [stderr]    |                  ---- variants in this enum
[INFO] [stderr] 96 |                 Penny,
[INFO] [stderr] 97 |                 Nickel,
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr] 98 |                 Dime,
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/mei_19/collection.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Int(i32),
[INFO] [stderr]    |         --- ^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 53 -         Int(i32),
[INFO] [stderr] 53 +         Int(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/mei_19/collection.rs:54:15
[INFO] [stderr]    |
[INFO] [stderr] 54 |         Float(f64),
[INFO] [stderr]    |         ----- ^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 54 -         Float(f64),
[INFO] [stderr] 54 +         Float(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/mei_19/collection.rs:55:14
[INFO] [stderr]    |
[INFO] [stderr] 55 |         Text(String),
[INFO] [stderr]    |         ---- ^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 55 -         Text(String),
[INFO] [stderr] 55 +         Text(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: function `buka_file` is never used
[INFO] [stderr]    --> src/mei_19/collection.rs:173:8
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn buka_file() -> Result<File, io::Error> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `buka_file_dengan_handling` is never used
[INFO] [stderr]    --> src/mei_19/collection.rs:185:8
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn buka_file_dengan_handling() -> Result<File, io::Error> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `baca_username_dari_file` is never used
[INFO] [stderr]    --> src/mei_19/collection.rs:216:8
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn baca_username_dari_file() -> Result<String, io::Error> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `baca_username_singkat` is never used
[INFO] [stderr]    --> src/mei_19/collection.rs:226:8
[INFO] [stderr]     |
[INFO] [stderr] 226 |     fn baca_username_singkat() -> Result<String, io::Error> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `error_handling_example` is never used
[INFO] [stderr]    --> src/mei_19/collection.rs:272:8
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn error_handling_example() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-14-Mei-2025` (bin "rust-14-Mei-2025" test) generated 18 warnings (run `cargo fix --bin "rust-14-Mei-2025" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_14_Mei_2025-9f9b021722258f7c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0505dc3cdcb190dcb7c0b9efa27801cea43fa1b093ebb204e3a73e52ebd74024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0505dc3cdcb190dcb7c0b9efa27801cea43fa1b093ebb204e3a73e52ebd74024", kill_on_drop: false }`
[INFO] [stdout] 0505dc3cdcb190dcb7c0b9efa27801cea43fa1b093ebb204e3a73e52ebd74024