[INFO] cloning repository https://github.com/VArtzy/rust-lang-concept
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VArtzy/rust-lang-concept" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVArtzy%2Frust-lang-concept", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVArtzy%2Frust-lang-concept'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8f51befd0834ab6747ebbbdbcc8c7d28cd5b583
[INFO] checking VArtzy/rust-lang-concept against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVArtzy%2Frust-lang-concept" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VArtzy/rust-lang-concept
[INFO] finished tweaking git repo https://github.com/VArtzy/rust-lang-concept
[INFO] tweaked toml for git repo https://github.com/VArtzy/rust-lang-concept written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VArtzy/rust-lang-concept on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VArtzy/rust-lang-concept 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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07cc23274a796f0970bff38c83358f6055bb2848757888c8186ff98059780d94
[INFO] running `Command { std: "docker" "start" "-a" "07cc23274a796f0970bff38c83358f6055bb2848757888c8186ff98059780d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07cc23274a796f0970bff38c83358f6055bb2848757888c8186ff98059780d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07cc23274a796f0970bff38c83358f6055bb2848757888c8186ff98059780d94", kill_on_drop: false }`
[INFO] [stdout] 07cc23274a796f0970bff38c83358f6055bb2848757888c8186ff98059780d94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 864f3417675fafc1340ee5c62376dc14c0df3d022f53e16f62be02d256e89db6
[INFO] running `Command { std: "docker" "start" "-a" "864f3417675fafc1340ee5c62376dc14c0df3d022f53e16f62be02d256e89db6", kill_on_drop: false }`
[INFO] [stderr]     Checking belajar-rust-dasar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `intrinsics::mir::Field` and `iter::Product`
[INFO] [stdout]  --> src/main.rs:7:132
[INFO] [stdout]   |
[INFO] [stdout] 7 | ..., HashSet, LinkedList, VecDeque}, fmt::Debug, intrinsics::mir::Field, iter::Product, ops::{Add, Deref}, rc::Rc};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `custom_mir`: MIR is an implementation detail and extremely unstable
[INFO] [stdout]  --> src/main.rs:7:132
[INFO] [stdout]   |
[INFO] [stdout] 7 | ... HashMap, HashSet, LinkedList, VecDeque}, fmt::Debug, intrinsics::mir::Field, iter::Product, ops::{Add, Deref}, rc::Rc};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(custom_mir)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2025-12-12; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `HashMap`, `HashSet`, `LinkedList`, `VecDeque`, `borrow::BorrowMut`, `intrinsics::mir::Field`, and `iter::Product`
[INFO] [stdout]  --> src/main.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | ...::{borrow::BorrowMut, cell::RefCell, collections::{BTreeMap, BTreeSet, HashMap, HashSet, LinkedList, VecDeque}, fmt::Debug, intrinsics::mir::Field, iter::Product, o...
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^                               ^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^               ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `first::say_hello`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use first::say_hello;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `second::say_hello as say_hello_second`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use second::say_hello as say_hello_second;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::User`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use model::User;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `hi`
[INFO] [stdout]     --> src/main.rs:1632:14
[INFO] [stdout]      |
[INFO] [stdout] 1632 | macro_rules! hi {
[INFO] [stdout]      |              ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `iterate`
[INFO] [stdout]     --> src/main.rs:1652:14
[INFO] [stdout]      |
[INFO] [stdout] 1652 | macro_rules! iterate {
[INFO] [stdout]      |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `custom_mir`: MIR is an implementation detail and extremely unstable
[INFO] [stdout]  --> src/main.rs:7:132
[INFO] [stdout]   |
[INFO] [stdout] 7 | ... HashMap, HashSet, LinkedList, VecDeque}, fmt::Debug, intrinsics::mir::Field, iter::Product, ops::{Add, Deref}, rc::Rc};
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(custom_mir)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2025-12-12; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `belajar-rust-dasar` (bin "belajar-rust-dasar") due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function `function_a` in this scope
[INFO] [stdout]    --> src/main.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     function_a();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 | fn funtion_a() {
[INFO] [stdout]     | -------------- similarly named function `funtion_a` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a function with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 241 -     function_a();
[INFO] [stdout] 241 +     funtion_a();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `function_b` in this scope
[INFO] [stdout]    --> src/main.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |     function_b();
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 251 | fn funtion_b() {
[INFO] [stdout]     | -------------- similarly named function `funtion_b` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a function with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 242 -     function_b();
[INFO] [stdout] 242 +     funtion_b();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/main.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{borrow::BorrowMut, cell::RefCell, collections::{BTreeMap, BTreeSet, HashMap, HashSet, LinkedList, VecDeque}, fmt::Debug, in...
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `data` is never read
[INFO] [stdout]    --> src/main.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     data.0 = 20;
[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: value assigned to `data` is never read
[INFO] [stdout]    --> src/main.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     data.1 = 2.5;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `data` is never read
[INFO] [stdout]    --> src/main.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     data.2 = false;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 401 |    let mut index = 0;
[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: unused variable: `index`
[INFO] [stdout]    --> src/main.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 401 |    let mut index = 0;
[INFO] [stdout]     |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slice4`
[INFO] [stdout]    --> src/main.rs:573:8
[INFO] [stdout]     |
[INFO] [stdout] 573 |    let slice4 = slice3; // data copy - reference are fixed size
[INFO] [stdout]     |        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_slice4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1398:12
[INFO] [stdout]      |
[INFO] [stdout] 1398 |        let x = 5;
[INFO] [stdout]      |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `apple`
[INFO] [stdout]     --> src/main.rs:1581:55
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     let apple = Rc::new(Brand::Of("Apple".to_string(), Rc::new(Brand::End)));
[INFO] [stdout]      |         ----- move occurs because `apple` has type `Rc<Brand>`, which does not implement the `Copy` trait
[INFO] [stdout] 1579 |     println!("Reference count : {}", Rc::strong_count(&apple));
[INFO] [stdout] 1580 |     let laptop = Brand::Of("Laptop".to_string(), apple);
[INFO] [stdout]      |                                                  ----- value moved here
[INFO] [stdout] 1581 |     println!("Reference count : {}", Rc::strong_count(&apple));
[INFO] [stdout]      |                                                       ^^^^^^ value borrowed here after move
[INFO] [stdout]      |
[INFO] [stdout] help: clone the value to increment its reference count
[INFO] [stdout]      |
[INFO] [stdout] 1580 |     let laptop = Brand::Of("Laptop".to_string(), apple.clone());
[INFO] [stdout]      |                                                       ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `apple`
[INFO] [stdout]     --> src/main.rs:1584:59
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     let apple = Rc::new(Brand::Of("Apple".to_string(), Rc::new(Brand::End)));
[INFO] [stdout]      |         ----- move occurs because `apple` has type `Rc<Brand>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 1583 |         let smartphone = Brand::Of("Smartphone".to_string(), apple);
[INFO] [stdout]      |                                                              ----- value moved here
[INFO] [stdout] 1584 |         println!("Reference count : {}", Rc::strong_count(&apple));
[INFO] [stdout]      |                                                           ^^^^^^ value borrowed here after move
[INFO] [stdout]      |
[INFO] [stdout] help: clone the value to increment its reference count
[INFO] [stdout]      |
[INFO] [stdout] 1583 |         let smartphone = Brand::Of("Smartphone".to_string(), apple.clone());
[INFO] [stdout]      |                                                                   ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `laptop`
[INFO] [stdout]     --> src/main.rs:1580:9
[INFO] [stdout]      |
[INFO] [stdout] 1580 |     let laptop = Brand::Of("Laptop".to_string(), apple);
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_laptop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `smartphone`
[INFO] [stdout]     --> src/main.rs:1583:13
[INFO] [stdout]      |
[INFO] [stdout] 1583 |         let smartphone = Brand::Of("Smartphone".to_string(), apple);
[INFO] [stdout]      |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_smartphone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0425, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `belajar-rust-dasar` (bin "belajar-rust-dasar" test) due to 5 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "864f3417675fafc1340ee5c62376dc14c0df3d022f53e16f62be02d256e89db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864f3417675fafc1340ee5c62376dc14c0df3d022f53e16f62be02d256e89db6", kill_on_drop: false }`
[INFO] [stdout] 864f3417675fafc1340ee5c62376dc14c0df3d022f53e16f62be02d256e89db6
