[INFO] cloning repository https://github.com/fikriwado/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fikriwado/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffikriwado%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffikriwado%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0497e6995e1ab002efc44151071e3c6ec935bb86
[INFO] checking fikriwado/rust-playground against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffikriwado%2Frust-playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fikriwado/rust-playground
[INFO] finished tweaking git repo https://github.com/fikriwado/rust-playground
[INFO] tweaked toml for git repo https://github.com/fikriwado/rust-playground written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fikriwado/rust-playground on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fikriwado/rust-playground 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34aac330f22bbffffd40511ee367284141f1635798179a22587ebb78a18d654b
[INFO] running `Command { std: "docker" "start" "-a" "34aac330f22bbffffd40511ee367284141f1635798179a22587ebb78a18d654b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34aac330f22bbffffd40511ee367284141f1635798179a22587ebb78a18d654b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34aac330f22bbffffd40511ee367284141f1635798179a22587ebb78a18d654b", kill_on_drop: false }`
[INFO] [stdout] 34aac330f22bbffffd40511ee367284141f1635798179a22587ebb78a18d654b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23e0c7653be66858c923d53c0f593f2bfe61891a3f65c206a4687ae2f85959e0
[INFO] running `Command { std: "docker" "start" "-a" "23e0c7653be66858c923d53c0f593f2bfe61891a3f65c206a4687ae2f85959e0", kill_on_drop: false }`
[INFO] [stderr]     Checking belajar-rust-dasar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `unit` is never used
[INFO] [stdout]    --> src/main.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn unit()
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAXIMUM` is never used
[INFO] [stdout]    --> src/main.rs:250:7
[INFO] [stdout]     |
[INFO] [stdout] 250 | const MAXIMUM: i32 = 100;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_a` is never used
[INFO] [stdout]    --> src/main.rs:282:4
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn function_a ()
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_b` is never used
[INFO] [stdout]    --> src/main.rs:289:4
[INFO] [stdout]     |
[INFO] [stdout] 289 | fn function_b ()
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]    --> src/main.rs:484:4
[INFO] [stdout]     |
[INFO] [stdout] 484 | fn say_hello () {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_goodbye` is never used
[INFO] [stdout]    --> src/main.rs:496:4
[INFO] [stdout]     |
[INFO] [stdout] 496 | fn say_goodbye (first_name: &str, last_name: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_loop` is never used
[INFO] [stdout]    --> src/main.rs:506:4
[INFO] [stdout]     |
[INFO] [stdout] 506 | fn factorial_loop (n: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_text` is never used
[INFO] [stdout]    --> src/main.rs:526:4
[INFO] [stdout]     |
[INFO] [stdout] 526 | fn print_text (value: String, times: u32) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_recursive` is never used
[INFO] [stdout]    --> src/main.rs:538:4
[INFO] [stdout]     |
[INFO] [stdout] 538 | fn factorial_recursive (n: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number` is never used
[INFO] [stdout]    --> src/main.rs:549:4
[INFO] [stdout]     |
[INFO] [stdout] 549 | fn print_number (number: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hi` is never used
[INFO] [stdout]    --> src/main.rs:553:4
[INFO] [stdout]     |
[INFO] [stdout] 553 | fn hi(name: String) {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name` is never used
[INFO] [stdout]    --> src/main.rs:568:4
[INFO] [stdout]     |
[INFO] [stdout] 568 | fn full_name (first_name: String, last_name: String) -> String {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name_handle_ownership` is never used
[INFO] [stdout]    --> src/main.rs:583:4
[INFO] [stdout]     |
[INFO] [stdout] 583 | fn full_name_handle_ownership (first_name: String, last_name: String) -> (String, String, String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name_reference` is never used
[INFO] [stdout]    --> src/main.rs:599:4
[INFO] [stdout]     |
[INFO] [stdout] 599 | fn full_name_reference (first_name: &String, last_name: &String) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_value` is never used
[INFO] [stdout]    --> src/main.rs:628:4
[INFO] [stdout]     |
[INFO] [stdout] 628 | fn change_value (value: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]    --> src/main.rs:692:8
[INFO] [stdout]     |
[INFO] [stdout] 692 | struct Person {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `say_hello` is never used
[INFO] [stdout]    --> src/main.rs:700:8
[INFO] [stdout]     |
[INFO] [stdout] 699 | impl Person {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 700 |     fn say_hello (&self, name: &str) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_person` is never used
[INFO] [stdout]    --> src/main.rs:705:4
[INFO] [stdout]     |
[INFO] [stdout] 705 | fn print_person(person: &Person) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GeoPoint` is never constructed
[INFO] [stdout]    --> src/main.rs:748:8
[INFO] [stdout]     |
[INFO] [stdout] 748 | struct GeoPoint(f64, f64);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:751:8
[INFO] [stdout]     |
[INFO] [stdout] 750 | impl GeoPoint {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 751 |     fn new(long: f64, lat: f64) -> GeoPoint {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nothing` is never constructed
[INFO] [stdout]    --> src/main.rs:763:8
[INFO] [stdout]     |
[INFO] [stdout] 763 | struct Nothing;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]    --> src/main.rs:794:6
[INFO] [stdout]     |
[INFO] [stdout] 794 | enum Level {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Payment` is never used
[INFO] [stdout]    --> src/main.rs:807:6
[INFO] [stdout]     |
[INFO] [stdout] 807 | enum Payment {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pay` is never used
[INFO] [stdout]    --> src/main.rs:814:8
[INFO] [stdout]     |
[INFO] [stdout] 813 | impl Payment {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 814 |     fn pay (&self, amount: u32) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Age` is never used
[INFO] [stdout]    --> src/main.rs:985:6
[INFO] [stdout]     |
[INFO] [stdout] 985 | type Age = u8;
[INFO] [stdout]     |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IdentityNumber` is never used
[INFO] [stdout]    --> src/main.rs:986:6
[INFO] [stdout]     |
[INFO] [stdout] 986 | type IdentityNumber = String;
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Customer` is never constructed
[INFO] [stdout]    --> src/main.rs:988:8
[INFO] [stdout]     |
[INFO] [stdout] 988 | struct Customer {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Pelanggan` is never used
[INFO] [stdout]    --> src/main.rs:994:6
[INFO] [stdout]     |
[INFO] [stdout] 994 | type Pelanggan = Customer;
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Pelanggan` is never used
[INFO] [stdout]    --> src/main.rs:994:6
[INFO] [stdout]     |
[INFO] [stdout] 994 | type Pelanggan = Customer;
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "23e0c7653be66858c923d53c0f593f2bfe61891a3f65c206a4687ae2f85959e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e0c7653be66858c923d53c0f593f2bfe61891a3f65c206a4687ae2f85959e0", kill_on_drop: false }`
[INFO] [stdout] 23e0c7653be66858c923d53c0f593f2bfe61891a3f65c206a4687ae2f85959e0