[INFO] cloning repository https://github.com/ridhogaa/belajar-rust-dasar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ridhogaa/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fridhogaa%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fridhogaa%2Fbelajar-rust-dasar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23d6005012bf412ee18813d07c0f898ada65dea9
[INFO] testing ridhogaa/belajar-rust-dasar/23d6005012bf412ee18813d07c0f898ada65dea9 against 1.95.0 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fridhogaa%2Fbelajar-rust-dasar" "/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/ridhogaa/belajar-rust-dasar
[INFO] finished tweaking git repo https://github.com/ridhogaa/belajar-rust-dasar
[INFO] tweaked toml for git repo https://github.com/ridhogaa/belajar-rust-dasar written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ridhogaa/belajar-rust-dasar on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ridhogaa/belajar-rust-dasar 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6162845b1ef19085f369a879f561935024b0d9bed85251486a1e14f6bf29224a
[INFO] running `Command { std: "docker" "start" "-a" "6162845b1ef19085f369a879f561935024b0d9bed85251486a1e14f6bf29224a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6162845b1ef19085f369a879f561935024b0d9bed85251486a1e14f6bf29224a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6162845b1ef19085f369a879f561935024b0d9bed85251486a1e14f6bf29224a", kill_on_drop: false }`
[INFO] [stdout] 6162845b1ef19085f369a879f561935024b0d9bed85251486a1e14f6bf29224a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26987479520c354ece760704be0e54c8e778e1ef7c33c441cf3b84a030d1f751
[INFO] running `Command { std: "docker" "start" "-a" "26987479520c354ece760704be0e54c8e778e1ef7c33c441cf3b84a030d1f751", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling belajar-rust-dasar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::num;
[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: `std::fmt::format`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/main.rs:220:1
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn factorial_recursion(n: i32) -> i32 {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 224 |     n * factorial_recursion(n - 1)
[INFO] [stdout]     |         -------------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]    --> src/main.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn add(a: i32, b: i32) -> i32 {
[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 `function_a` is never used
[INFO] [stdout]    --> src/main.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn function_a() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_b` is never used
[INFO] [stdout]    --> src/main.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn function_b() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_loop` is never used
[INFO] [stdout]    --> src/main.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn factorial_loop(n: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_recursion` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn factorial_recursion(n: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "26987479520c354ece760704be0e54c8e778e1ef7c33c441cf3b84a030d1f751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26987479520c354ece760704be0e54c8e778e1ef7c33c441cf3b84a030d1f751", kill_on_drop: false }`
[INFO] [stdout] 26987479520c354ece760704be0e54c8e778e1ef7c33c441cf3b84a030d1f751
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a8e2a7ad6859ae167077e4f8e67728d2fe6de9e816458235f7cd69583e1fbd6
[INFO] running `Command { std: "docker" "start" "-a" "4a8e2a7ad6859ae167077e4f8e67728d2fe6de9e816458235f7cd69583e1fbd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling belajar-rust-dasar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::num;
[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: `std::fmt::format`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/main.rs:220:1
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn factorial_recursion(n: i32) -> i32 {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 224 |     n * factorial_recursion(n - 1)
[INFO] [stdout]     |         -------------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "4a8e2a7ad6859ae167077e4f8e67728d2fe6de9e816458235f7cd69583e1fbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8e2a7ad6859ae167077e4f8e67728d2fe6de9e816458235f7cd69583e1fbd6", kill_on_drop: false }`
[INFO] [stdout] 4a8e2a7ad6859ae167077e4f8e67728d2fe6de9e816458235f7cd69583e1fbd6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2228e64c88456cf6e06dd0ef2e09d348b324963d8283ee05edd5cc40f3bf6da5
[INFO] running `Command { std: "docker" "start" "-a" "2228e64c88456cf6e06dd0ef2e09d348b324963d8283ee05edd5cc40f3bf6da5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::num;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::format`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fmt::format;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]    --> src/main.rs:220:1
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn factorial_recursion(n: i32) -> i32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 224 |     n * factorial_recursion(n - 1)
[INFO] [stderr]     |         -------------------------- recursive call site
[INFO] [stderr]     |
[INFO] [stderr]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `belajar-rust-dasar` (bin "belajar-rust-dasar" test) generated 3 warnings (run `cargo fix --bin "belajar-rust-dasar" -p belajar-rust-dasar --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/belajar_rust_dasar-f3e3ca7fa3a23f2f)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test data_copy ... ok
[INFO] [stdout] test loop_test ... ok
[INFO] [stdout] test ownership_movement ... ok
[INFO] [stdout] test struct_test ... ok
[INFO] [stdout] test hello_test ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'say_hello' (21) has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow, aborting
[INFO] [stderr] error: test failed, to rerun pass `--bin belajar-rust-dasar`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/belajar_rust_dasar-f3e3ca7fa3a23f2f` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "2228e64c88456cf6e06dd0ef2e09d348b324963d8283ee05edd5cc40f3bf6da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2228e64c88456cf6e06dd0ef2e09d348b324963d8283ee05edd5cc40f3bf6da5", kill_on_drop: false }`
[INFO] [stdout] 2228e64c88456cf6e06dd0ef2e09d348b324963d8283ee05edd5cc40f3bf6da5