[INFO] cloning repository https://github.com/h3ndr4kw/mydemo-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/h3ndr4kw/mydemo-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3ndr4kw%2Fmydemo-rust-dasar", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3ndr4kw%2Fmydemo-rust-dasar'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b7125ba5fb476c2e9541ee31e8a244ebca23b89 [INFO] testing h3ndr4kw/mydemo-rust-dasar against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3ndr4kw%2Fmydemo-rust-dasar" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/h3ndr4kw/mydemo-rust-dasar [INFO] finished tweaking git repo https://github.com/h3ndr4kw/mydemo-rust-dasar [INFO] tweaked toml for git repo https://github.com/h3ndr4kw/mydemo-rust-dasar written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/h3ndr4kw/mydemo-rust-dasar 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/h3ndr4kw/mydemo-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 72e222cdac54fb05e1329cc344bca7f036386057b5b4983194bfcce1860e54c9 [INFO] running `Command { std: "docker" "start" "-a" "72e222cdac54fb05e1329cc344bca7f036386057b5b4983194bfcce1860e54c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72e222cdac54fb05e1329cc344bca7f036386057b5b4983194bfcce1860e54c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72e222cdac54fb05e1329cc344bca7f036386057b5b4983194bfcce1860e54c9", kill_on_drop: false }` [INFO] [stdout] 72e222cdac54fb05e1329cc344bca7f036386057b5b4983194bfcce1860e54c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] d7c5d66b2fb514bb651f51230ea233176fa8c2ce100c7348411988c1b483c014 [INFO] running `Command { std: "docker" "start" "-a" "d7c5d66b2fb514bb651f51230ea233176fa8c2ce100c7348411988c1b483c014", kill_on_drop: false }` [INFO] [stderr] Compiling mydemo-rust-dasar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::os::linux::raw::stat` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::os::linux::raw::stat; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::os::linux::raw::stat`: these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions [INFO] [stdout] --> src/main.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use std::os::linux::raw::stat; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iterator_demo.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut iterator = array.iter(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `r` is assigned to, but never used [INFO] [stdout] --> src/lifetime_demo.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let r; // r tidak diinisialisasi [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_r` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lifetime_demo.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | r = &x; // r mencoba mereferensikan x [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/pattern_matching_demo.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 90 | GeoPoint(lat, long) => { [INFO] [stdout] | ------------------- matches any value [INFO] [stdout] ... [INFO] [stdout] 93 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `laptop` [INFO] [stdout] --> src/multiple_ownership_demo.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let laptop: Brand = Brand::Of( [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/multiple_ownership_demo.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let smartphone: Brand = Brand::Of( [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_smartphone` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_closure` is never used [INFO] [stdout] --> src/closure_demo.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn test_closure() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_with_filter` is never used [INFO] [stdout] --> src/closure_demo.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn print_with_filter(value: String, filter: fn(String) -> String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_closure_with_filter` is never used [INFO] [stdout] --> src/closure_demo.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn test_closure_with_filter() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `to_uppercase` is never used [INFO] [stdout] --> src/closure_demo.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn to_uppercase(value: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_function_as_closure` is never used [INFO] [stdout] --> src/closure_demo.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn test_function_as_closure() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_closure_scope` is never used [INFO] [stdout] --> src/closure_demo.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn test_closure_scope() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/closure_demo.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `increment` are never used [INFO] [stdout] --> src/closure_demo.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 51 | impl Counter { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 52 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn increment(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_closure_scope_with_struct` is never used [INFO] [stdout] --> src/closure_demo.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn test_closure_scope_with_struct() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/comparing_demo.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Level` is never used [INFO] [stdout] --> src/enum_demo.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum Level { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Payment` is never used [INFO] [stdout] --> src/enum_demo.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | enum Payment { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pay` is never used [INFO] [stdout] --> src/enum_demo.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Payment { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 15 | fn pay(&self, amount: u32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_enum` is never used [INFO] [stdout] --> src/enum_demo.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn test_enum() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_payment` is never used [INFO] [stdout] --> src/enum_demo.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn test_payment() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `connect_database` is never used [INFO] [stdout] --> src/error_handling_demo.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn connect_database(host: Option) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_unrecoverable_error` is never used [INFO] [stdout] --> src/error_handling_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn test_unrecoverable_error() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `connect_cache` is never used [INFO] [stdout] --> src/error_handling_demo.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn connect_cache(host: Option) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_recoverable_error` is never used [INFO] [stdout] --> src/error_handling_demo.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn test_recoverable_error() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `connect_email` is never used [INFO] [stdout] --> src/error_handling_demo.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn connect_email(host: Option) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `connect_application` is never used [INFO] [stdout] --> src/error_handling_demo.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn connect_application(host: Option) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_connect_application` is never used [INFO] [stdout] --> src/error_handling_demo.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn test_connect_application() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Category` is never constructed [INFO] [stdout] --> src/formating_demo.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Category { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_formating_demo` is never used [INFO] [stdout] --> src/formating_demo.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn test_formating_demo() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/generic_demo.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/generic_demo.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_iterator` is never used [INFO] [stdout] --> src/iterator_demo.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn test_iterator() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_iterator_method` is never used [INFO] [stdout] --> src/iterator_demo.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn test_iterator_method() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_dangling_reference` is never used [INFO] [stdout] --> src/lifetime_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test_dangling_reference() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest` is never used [INFO] [stdout] --> src/lifetime_demo.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn longest<'a>(value1: &'a str, value2: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_longest` is never used [INFO] [stdout] --> src/lifetime_demo.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn test_longest() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_lifetime_annotation_dangling_reference` is never used [INFO] [stdout] --> src/lifetime_demo.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn test_lifetime_annotation_dangling_reference() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_student_name` is never used [INFO] [stdout] --> src/lifetime_demo.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn longest_student_name<'a, 'b>(student1: &Student<'a, 'b>, student2: &Student<'a, 'b>) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Student` is never constructed [INFO] [stdout] --> src/lifetime_demo.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | struct Student<'a, 'b> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `longest_name` is never used [INFO] [stdout] --> src/lifetime_demo.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 55 | impl<'a, 'b> Student<'a, 'b> { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] 56 | fn longest_name(&self, other: &Student<'a, 'b>) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_student` is never used [INFO] [stdout] --> src/lifetime_demo.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn test_student() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Teacher` is never constructed [INFO] [stdout] --> src/lifetime_demo.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | struct Teacher<'a, ID> where ID: Ord { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_lifetime_annotation_generic_struct` is never used [INFO] [stdout] --> src/lifetime_demo.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn test_lifetime_annotation_generic_struct() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_hash_map` is never used [INFO] [stdout] --> src/maps_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test_hash_map() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_btree_map` is never used [INFO] [stdout] --> src/maps_demo.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn test_btree_map() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double` is never used [INFO] [stdout] --> src/option_values_demo.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn double(x: Option) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/option_values_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `another_double` is never used [INFO] [stdout] --> src/option_values_demo.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn another_double(x: Option) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/overloadable_operator_demo.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Level` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum Level { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Payment` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | enum Payment { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pay` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Payment { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 15 | fn pay(&self, amount: u32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_enum` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn test_enum() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_payment` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn test_payment() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_match_value` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn test_match_value() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_multiple_patterns` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn test_multiple_patterns() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_range_pattern` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn test_range_pattern() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GeoPoint` is never constructed [INFO] [stdout] --> src/pattern_matching_demo.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct GeoPoint(f64, f64); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 80 | impl GeoPoint { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 81 | fn new(long: f64, lat: f64) -> GeoPoint { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_destruct_pattern` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn test_destruct_pattern() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/pattern_matching_demo.rs:99:8 [INFO] [stdout] | [INFO] [stdout] 99 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_destruct_pattern2` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:106:8 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn test_destruct_pattern2() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_match_expression` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:120:8 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn test_match_expression() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_vector` is never used [INFO] [stdout] --> src/sequences_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn test_vector() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_vec_deque` is never used [INFO] [stdout] --> src/sequences_demo.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn test_vec_deque() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_linked_list` is never used [INFO] [stdout] --> src/sequences_demo.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn test_linked_list() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_hash_set` is never used [INFO] [stdout] --> src/sets_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test_hash_set() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_btree_set` is never used [INFO] [stdout] --> src/sets_demo.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn test_btree_set() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_string_manipulation` is never used [INFO] [stdout] --> src/string_manipulation_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test_string_manipulation() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/struct_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `say_hello` is never used [INFO] [stdout] --> src/struct_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Person { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 8 | fn say_hello(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_person` is never used [INFO] [stdout] --> src/struct_demo.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn print_person(person: &Person) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `struct_person` is never used [INFO] [stdout] --> src/struct_demo.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn struct_person() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/struct_demo.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GeoPoint` is never constructed [INFO] [stdout] --> src/struct_demo.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | struct GeoPoint(f64, f64); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/struct_demo.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 56 | impl GeoPoint { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 57 | fn new(long: f64, lat: f64) -> GeoPoint { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tuple_struct` is never used [INFO] [stdout] --> src/struct_demo.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn tuple_struct() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Nothing` is never constructed [INFO] [stdout] --> src/struct_demo.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | struct Nothing; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_nothing` is never used [INFO] [stdout] --> src/struct_demo.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn test_nothing() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_method` is never used [INFO] [stdout] --> src/struct_demo.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn test_method() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_method_new` is never used [INFO] [stdout] --> src/struct_demo.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn test_method_new() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CanSayHello` is never used [INFO] [stdout] --> src/trait_demo.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait CanSayHello { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CanSayGoodbye` is never used [INFO] [stdout] --> src/trait_demo.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait CanSayGoodbye { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/trait_demo.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/trait_demo.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Company` is never constructed [INFO] [stdout] --> src/attributes_demo.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Company { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Company` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_attribute_debug` is never used [INFO] [stdout] --> src/attributes_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn test_attribute_debug() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `text_box` is never used [INFO] [stdout] --> src/smart_pointer_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn text_box() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `display_number` is never used [INFO] [stdout] --> src/smart_pointer_demo.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn display_number(value: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `display_number_reference` is never used [INFO] [stdout] --> src/smart_pointer_demo.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn display_number_reference(value: &i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ProductCategory` is never used [INFO] [stdout] --> src/smart_pointer_demo.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | enum ProductCategory { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProductCategory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_box_enum` is never used [INFO] [stdout] --> src/smart_pointer_demo.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn test_box_enum() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_dereference` is never used [INFO] [stdout] --> src/dereference_demo.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn test_dereference() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyValue` is never constructed [INFO] [stdout] --> src/dereference_demo.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct MyValue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_deref` is never used [INFO] [stdout] --> src/dereference_demo.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn test_deref() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `say_hello` is never used [INFO] [stdout] --> src/dereference_demo.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn say_hello(name: &String) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_deref_coercion` is never used [INFO] [stdout] --> src/dereference_demo.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn test_deref_coercion() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Book` is never constructed [INFO] [stdout] --> src/cleanup_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Book { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_drop` is never used [INFO] [stdout] --> src/cleanup_demo.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn test_drop() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/multiple_ownership_demo.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | Of(String, Rc), [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] 9 - Of(String, Rc), [INFO] [stdout] 9 + Of((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "d7c5d66b2fb514bb651f51230ea233176fa8c2ce100c7348411988c1b483c014", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7c5d66b2fb514bb651f51230ea233176fa8c2ce100c7348411988c1b483c014", kill_on_drop: false }` [INFO] [stdout] d7c5d66b2fb514bb651f51230ea233176fa8c2ce100c7348411988c1b483c014 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 77ff90eb240387aead16980c49e42295febab0c4a2f5684c9f1413e5aa88d5be [INFO] running `Command { std: "docker" "start" "-a" "77ff90eb240387aead16980c49e42295febab0c4a2f5684c9f1413e5aa88d5be", kill_on_drop: false }` [INFO] [stderr] Compiling mydemo-rust-dasar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::os::linux::raw::stat` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::os::linux::raw::stat; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::os::linux::raw::stat`: these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions [INFO] [stdout] --> src/main.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use std::os::linux::raw::stat; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iterator_demo.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut iterator = array.iter(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `r` is assigned to, but never used [INFO] [stdout] --> src/lifetime_demo.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let r; // r tidak diinisialisasi [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_r` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lifetime_demo.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | r = &x; // r mencoba mereferensikan x [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/pattern_matching_demo.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 90 | GeoPoint(lat, long) => { [INFO] [stdout] | ------------------- matches any value [INFO] [stdout] ... [INFO] [stdout] 93 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `laptop` [INFO] [stdout] --> src/multiple_ownership_demo.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let laptop: Brand = Brand::Of( [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/multiple_ownership_demo.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let smartphone: Brand = Brand::Of( [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_smartphone` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_closure` is never used [INFO] [stdout] --> src/closure_demo.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn test_closure() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_with_filter` is never used [INFO] [stdout] --> src/closure_demo.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn print_with_filter(value: String, filter: fn(String) -> String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_closure_with_filter` is never used [INFO] [stdout] --> src/closure_demo.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn test_closure_with_filter() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `to_uppercase` is never used [INFO] [stdout] --> src/closure_demo.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn to_uppercase(value: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_function_as_closure` is never used [INFO] [stdout] --> src/closure_demo.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn test_function_as_closure() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_closure_scope` is never used [INFO] [stdout] --> src/closure_demo.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn test_closure_scope() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/closure_demo.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `increment` are never used [INFO] [stdout] --> src/closure_demo.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 51 | impl Counter { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 52 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn increment(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_closure_scope_with_struct` is never used [INFO] [stdout] --> src/closure_demo.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn test_closure_scope_with_struct() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/comparing_demo.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Level` is never used [INFO] [stdout] --> src/enum_demo.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum Level { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Payment` is never used [INFO] [stdout] --> src/enum_demo.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | enum Payment { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pay` is never used [INFO] [stdout] --> src/enum_demo.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Payment { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 15 | fn pay(&self, amount: u32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_enum` is never used [INFO] [stdout] --> src/enum_demo.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn test_enum() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_payment` is never used [INFO] [stdout] --> src/enum_demo.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn test_payment() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `connect_database` is never used [INFO] [stdout] --> src/error_handling_demo.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn connect_database(host: Option) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_unrecoverable_error` is never used [INFO] [stdout] --> src/error_handling_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn test_unrecoverable_error() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `connect_cache` is never used [INFO] [stdout] --> src/error_handling_demo.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn connect_cache(host: Option) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_recoverable_error` is never used [INFO] [stdout] --> src/error_handling_demo.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn test_recoverable_error() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `connect_email` is never used [INFO] [stdout] --> src/error_handling_demo.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn connect_email(host: Option) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `connect_application` is never used [INFO] [stdout] --> src/error_handling_demo.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn connect_application(host: Option) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_connect_application` is never used [INFO] [stdout] --> src/error_handling_demo.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn test_connect_application() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Category` is never constructed [INFO] [stdout] --> src/formating_demo.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Category { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_formating_demo` is never used [INFO] [stdout] --> src/formating_demo.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn test_formating_demo() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/generic_demo.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/generic_demo.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_iterator` is never used [INFO] [stdout] --> src/iterator_demo.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn test_iterator() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_iterator_method` is never used [INFO] [stdout] --> src/iterator_demo.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn test_iterator_method() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_dangling_reference` is never used [INFO] [stdout] --> src/lifetime_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test_dangling_reference() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest` is never used [INFO] [stdout] --> src/lifetime_demo.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn longest<'a>(value1: &'a str, value2: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_longest` is never used [INFO] [stdout] --> src/lifetime_demo.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn test_longest() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_lifetime_annotation_dangling_reference` is never used [INFO] [stdout] --> src/lifetime_demo.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn test_lifetime_annotation_dangling_reference() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_student_name` is never used [INFO] [stdout] --> src/lifetime_demo.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn longest_student_name<'a, 'b>(student1: &Student<'a, 'b>, student2: &Student<'a, 'b>) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Student` is never constructed [INFO] [stdout] --> src/lifetime_demo.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | struct Student<'a, 'b> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `longest_name` is never used [INFO] [stdout] --> src/lifetime_demo.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 55 | impl<'a, 'b> Student<'a, 'b> { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] 56 | fn longest_name(&self, other: &Student<'a, 'b>) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_student` is never used [INFO] [stdout] --> src/lifetime_demo.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn test_student() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Teacher` is never constructed [INFO] [stdout] --> src/lifetime_demo.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | struct Teacher<'a, ID> where ID: Ord { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_lifetime_annotation_generic_struct` is never used [INFO] [stdout] --> src/lifetime_demo.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn test_lifetime_annotation_generic_struct() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_hash_map` is never used [INFO] [stdout] --> src/maps_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test_hash_map() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_btree_map` is never used [INFO] [stdout] --> src/maps_demo.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn test_btree_map() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double` is never used [INFO] [stdout] --> src/option_values_demo.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn double(x: Option) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/option_values_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `another_double` is never used [INFO] [stdout] --> src/option_values_demo.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn another_double(x: Option) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/overloadable_operator_demo.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Level` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum Level { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Payment` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | enum Payment { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pay` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Payment { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 15 | fn pay(&self, amount: u32) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_enum` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn test_enum() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_payment` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn test_payment() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_match_value` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn test_match_value() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_multiple_patterns` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn test_multiple_patterns() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_range_pattern` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn test_range_pattern() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GeoPoint` is never constructed [INFO] [stdout] --> src/pattern_matching_demo.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | struct GeoPoint(f64, f64); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 80 | impl GeoPoint { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 81 | fn new(long: f64, lat: f64) -> GeoPoint { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_destruct_pattern` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn test_destruct_pattern() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/pattern_matching_demo.rs:99:8 [INFO] [stdout] | [INFO] [stdout] 99 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_destruct_pattern2` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:106:8 [INFO] [stdout] | [INFO] [stdout] 106 | pub fn test_destruct_pattern2() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_match_expression` is never used [INFO] [stdout] --> src/pattern_matching_demo.rs:120:8 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn test_match_expression() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_vector` is never used [INFO] [stdout] --> src/sequences_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn test_vector() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_vec_deque` is never used [INFO] [stdout] --> src/sequences_demo.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn test_vec_deque() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_linked_list` is never used [INFO] [stdout] --> src/sequences_demo.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn test_linked_list() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_hash_set` is never used [INFO] [stdout] --> src/sets_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test_hash_set() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_btree_set` is never used [INFO] [stdout] --> src/sets_demo.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn test_btree_set() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_string_manipulation` is never used [INFO] [stdout] --> src/string_manipulation_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test_string_manipulation() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/struct_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `say_hello` is never used [INFO] [stdout] --> src/struct_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl Person { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 8 | fn say_hello(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_person` is never used [INFO] [stdout] --> src/struct_demo.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn print_person(person: &Person) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `struct_person` is never used [INFO] [stdout] --> src/struct_demo.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn struct_person() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/struct_demo.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GeoPoint` is never constructed [INFO] [stdout] --> src/struct_demo.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | struct GeoPoint(f64, f64); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/struct_demo.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 56 | impl GeoPoint { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 57 | fn new(long: f64, lat: f64) -> GeoPoint { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tuple_struct` is never used [INFO] [stdout] --> src/struct_demo.rs:62:8 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn tuple_struct() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Nothing` is never constructed [INFO] [stdout] --> src/struct_demo.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | struct Nothing; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_nothing` is never used [INFO] [stdout] --> src/struct_demo.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn test_nothing() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_method` is never used [INFO] [stdout] --> src/struct_demo.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn test_method() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_method_new` is never used [INFO] [stdout] --> src/struct_demo.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn test_method_new() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CanSayHello` is never used [INFO] [stdout] --> src/trait_demo.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait CanSayHello { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CanSayGoodbye` is never used [INFO] [stdout] --> src/trait_demo.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait CanSayGoodbye { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/trait_demo.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/trait_demo.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Company` is never constructed [INFO] [stdout] --> src/attributes_demo.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Company { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Company` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_attribute_debug` is never used [INFO] [stdout] --> src/attributes_demo.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn test_attribute_debug() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `text_box` is never used [INFO] [stdout] --> src/smart_pointer_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn text_box() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `display_number` is never used [INFO] [stdout] --> src/smart_pointer_demo.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn display_number(value: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `display_number_reference` is never used [INFO] [stdout] --> src/smart_pointer_demo.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn display_number_reference(value: &i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ProductCategory` is never used [INFO] [stdout] --> src/smart_pointer_demo.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | enum ProductCategory { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProductCategory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_box_enum` is never used [INFO] [stdout] --> src/smart_pointer_demo.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn test_box_enum() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_dereference` is never used [INFO] [stdout] --> src/dereference_demo.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn test_dereference() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyValue` is never constructed [INFO] [stdout] --> src/dereference_demo.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct MyValue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_deref` is never used [INFO] [stdout] --> src/dereference_demo.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn test_deref() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `say_hello` is never used [INFO] [stdout] --> src/dereference_demo.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn say_hello(name: &String) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_deref_coercion` is never used [INFO] [stdout] --> src/dereference_demo.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn test_deref_coercion() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Book` is never constructed [INFO] [stdout] --> src/cleanup_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Book { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_drop` is never used [INFO] [stdout] --> src/cleanup_demo.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn test_drop() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/multiple_ownership_demo.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | Of(String, Rc), [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] 9 - Of(String, Rc), [INFO] [stdout] 9 + Of((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "77ff90eb240387aead16980c49e42295febab0c4a2f5684c9f1413e5aa88d5be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77ff90eb240387aead16980c49e42295febab0c4a2f5684c9f1413e5aa88d5be", kill_on_drop: false }` [INFO] [stdout] 77ff90eb240387aead16980c49e42295febab0c4a2f5684c9f1413e5aa88d5be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 068b998b34261d5f2f99e4862ba759f43069721ba849aff002d38225bfd27513 [INFO] running `Command { std: "docker" "start" "-a" "068b998b34261d5f2f99e4862ba759f43069721ba849aff002d38225bfd27513", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::os::linux::raw::stat` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::os::linux::raw::stat; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated struct `std::os::linux::raw::stat`: these type aliases are no longer supported by the standard library, the `libc` crate on crates.io should be used instead for the correct definitions [INFO] [stderr] --> src/main.rs:1:26 [INFO] [stderr] | [INFO] [stderr] 1 | use std::os::linux::raw::stat; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iterator_demo.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut iterator = array.iter(); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `r` is assigned to, but never used [INFO] [stderr] --> src/lifetime_demo.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | let r; // r tidak diinisialisasi [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_r` instead [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/lifetime_demo.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | r = &x; // r mencoba mereferensikan x [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/pattern_matching_demo.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 90 | GeoPoint(lat, long) => { [INFO] [stderr] | ------------------- matches any value [INFO] [stderr] ... [INFO] [stderr] 93 | _ => { [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `laptop` [INFO] [stderr] --> src/multiple_ownership_demo.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let laptop: Brand = Brand::Of( [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_laptop` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `smartphone` [INFO] [stderr] --> src/multiple_ownership_demo.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let smartphone: Brand = Brand::Of( [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_smartphone` [INFO] [stderr] [INFO] [stderr] warning: function `test_closure` is never used [INFO] [stderr] --> src/closure_demo.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn test_closure() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `print_with_filter` is never used [INFO] [stderr] --> src/closure_demo.rs:9:4 [INFO] [stderr] | [INFO] [stderr] 9 | fn print_with_filter(value: String, filter: fn(String) -> String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_closure_with_filter` is never used [INFO] [stderr] --> src/closure_demo.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn test_closure_with_filter() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `to_uppercase` is never used [INFO] [stderr] --> src/closure_demo.rs:22:4 [INFO] [stderr] | [INFO] [stderr] 22 | fn to_uppercase(value: String) -> String { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_function_as_closure` is never used [INFO] [stderr] --> src/closure_demo.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn test_function_as_closure() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_closure_scope` is never used [INFO] [stderr] --> src/closure_demo.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn test_closure_scope() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Counter` is never constructed [INFO] [stderr] --> src/closure_demo.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | struct Counter { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new` and `increment` are never used [INFO] [stderr] --> src/closure_demo.rs:52:8 [INFO] [stderr] | [INFO] [stderr] 51 | impl Counter { [INFO] [stderr] | ------------ associated items in this implementation [INFO] [stderr] 52 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 56 | fn increment(&mut self) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_closure_scope_with_struct` is never used [INFO] [stderr] --> src/closure_demo.rs:62:8 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn test_closure_scope_with_struct() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `run` is never used [INFO] [stderr] --> src/comparing_demo.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Level` is never used [INFO] [stderr] --> src/enum_demo.rs:2:6 [INFO] [stderr] | [INFO] [stderr] 2 | enum Level { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Payment` is never used [INFO] [stderr] --> src/enum_demo.rs:8:6 [INFO] [stderr] | [INFO] [stderr] 8 | enum Payment { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `pay` is never used [INFO] [stderr] --> src/enum_demo.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 14 | impl Payment { [INFO] [stderr] | ------------ method in this implementation [INFO] [stderr] 15 | fn pay(&self, amount: u32) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_enum` is never used [INFO] [stderr] --> src/enum_demo.rs:20:8 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn test_enum() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_payment` is never used [INFO] [stderr] --> src/enum_demo.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn test_payment() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `connect_database` is never used [INFO] [stderr] --> src/error_handling_demo.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn connect_database(host: Option) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_unrecoverable_error` is never used [INFO] [stderr] --> src/error_handling_demo.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn test_unrecoverable_error() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `connect_cache` is never used [INFO] [stderr] --> src/error_handling_demo.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn connect_cache(host: Option) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_recoverable_error` is never used [INFO] [stderr] --> src/error_handling_demo.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn test_recoverable_error() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `connect_email` is never used [INFO] [stderr] --> src/error_handling_demo.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn connect_email(host: Option) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `connect_application` is never used [INFO] [stderr] --> src/error_handling_demo.rs:39:4 [INFO] [stderr] | [INFO] [stderr] 39 | fn connect_application(host: Option) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_connect_application` is never used [INFO] [stderr] --> src/error_handling_demo.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn test_connect_application() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Category` is never constructed [INFO] [stderr] --> src/formating_demo.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct Category { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_formating_demo` is never used [INFO] [stderr] --> src/formating_demo.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn test_formating_demo() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Point` is never constructed [INFO] [stderr] --> src/generic_demo.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | struct Point { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `run` is never used [INFO] [stderr] --> src/generic_demo.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_iterator` is never used [INFO] [stderr] --> src/iterator_demo.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn test_iterator() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_iterator_method` is never used [INFO] [stderr] --> src/iterator_demo.rs:20:8 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn test_iterator_method() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_dangling_reference` is never used [INFO] [stderr] --> src/lifetime_demo.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn test_dangling_reference() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `longest` is never used [INFO] [stderr] --> src/lifetime_demo.rs:10:4 [INFO] [stderr] | [INFO] [stderr] 10 | fn longest<'a>(value1: &'a str, value2: &'a str) -> &'a str { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_longest` is never used [INFO] [stderr] --> src/lifetime_demo.rs:20:8 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn test_longest() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_lifetime_annotation_dangling_reference` is never used [INFO] [stderr] --> src/lifetime_demo.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn test_lifetime_annotation_dangling_reference() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `longest_student_name` is never used [INFO] [stderr] --> src/lifetime_demo.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn longest_student_name<'a, 'b>(student1: &Student<'a, 'b>, student2: &Student<'a, 'b>) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Student` is never constructed [INFO] [stderr] --> src/lifetime_demo.rs:50:8 [INFO] [stderr] | [INFO] [stderr] 50 | struct Student<'a, 'b> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `longest_name` is never used [INFO] [stderr] --> src/lifetime_demo.rs:56:8 [INFO] [stderr] | [INFO] [stderr] 55 | impl<'a, 'b> Student<'a, 'b> { [INFO] [stderr] | ---------------------------- method in this implementation [INFO] [stderr] 56 | fn longest_name(&self, other: &Student<'a, 'b>) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_student` is never used [INFO] [stderr] --> src/lifetime_demo.rs:66:8 [INFO] [stderr] | [INFO] [stderr] 66 | pub fn test_student() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Teacher` is never constructed [INFO] [stderr] --> src/lifetime_demo.rs:86:8 [INFO] [stderr] | [INFO] [stderr] 86 | struct Teacher<'a, ID> where ID: Ord { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_lifetime_annotation_generic_struct` is never used [INFO] [stderr] --> src/lifetime_demo.rs:91:8 [INFO] [stderr] | [INFO] [stderr] 91 | pub fn test_lifetime_annotation_generic_struct() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_hash_map` is never used [INFO] [stderr] --> src/maps_demo.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn test_hash_map() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_btree_map` is never used [INFO] [stderr] --> src/maps_demo.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn test_btree_map() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `double` is never used [INFO] [stderr] --> src/option_values_demo.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn double(x: Option) -> Option { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `run` is never used [INFO] [stderr] --> src/option_values_demo.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `another_double` is never used [INFO] [stderr] --> src/option_values_demo.rs:28:4 [INFO] [stderr] | [INFO] [stderr] 28 | fn another_double(x: Option) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `run` is never used [INFO] [stderr] --> src/overloadable_operator_demo.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Level` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:2:6 [INFO] [stderr] | [INFO] [stderr] 2 | enum Level { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Payment` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:8:6 [INFO] [stderr] | [INFO] [stderr] 8 | enum Payment { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `pay` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 14 | impl Payment { [INFO] [stderr] | ------------ method in this implementation [INFO] [stderr] 15 | fn pay(&self, amount: u32) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_enum` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn test_enum() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_payment` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:40:8 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn test_payment() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_match_value` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:48:8 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn test_match_value() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_multiple_patterns` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:58:8 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn test_multiple_patterns() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_range_pattern` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:68:8 [INFO] [stderr] | [INFO] [stderr] 68 | pub fn test_range_pattern() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `GeoPoint` is never constructed [INFO] [stderr] --> src/pattern_matching_demo.rs:78:8 [INFO] [stderr] | [INFO] [stderr] 78 | struct GeoPoint(f64, f64); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:81:8 [INFO] [stderr] | [INFO] [stderr] 80 | impl GeoPoint { [INFO] [stderr] | ------------- associated function in this implementation [INFO] [stderr] 81 | fn new(long: f64, lat: f64) -> GeoPoint { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_destruct_pattern` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:86:8 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn test_destruct_pattern() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Person` is never constructed [INFO] [stderr] --> src/pattern_matching_demo.rs:99:8 [INFO] [stderr] | [INFO] [stderr] 99 | struct Person { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_destruct_pattern2` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:106:8 [INFO] [stderr] | [INFO] [stderr] 106 | pub fn test_destruct_pattern2() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_match_expression` is never used [INFO] [stderr] --> src/pattern_matching_demo.rs:120:8 [INFO] [stderr] | [INFO] [stderr] 120 | pub fn test_match_expression() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_vector` is never used [INFO] [stderr] --> src/sequences_demo.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn test_vector() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] running 0 tests [INFO] [stderr] warning: function `test_vec_deque` is never used [INFO] [stdout] [INFO] [stderr] --> src/sequences_demo.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn test_vec_deque() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_linked_list` is never used [INFO] [stderr] --> src/sequences_demo.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn test_linked_list() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_hash_set` is never used [INFO] [stderr] --> src/sets_demo.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn test_hash_set() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_btree_set` is never used [INFO] [stderr] --> src/sets_demo.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn test_btree_set() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_string_manipulation` is never used [INFO] [stderr] --> src/string_manipulation_demo.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn test_string_manipulation() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Person` is never constructed [INFO] [stderr] --> src/struct_demo.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Person { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `say_hello` is never used [INFO] [stderr] --> src/struct_demo.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 7 | impl Person { [INFO] [stderr] | ----------- method in this implementation [INFO] [stderr] 8 | fn say_hello(&self) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `print_person` is never used [INFO] [stderr] --> src/struct_demo.rs:14:4 [INFO] [stderr] | [INFO] [stderr] 14 | fn print_person(person: &Person) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `struct_person` is never used [INFO] [stderr] --> src/struct_demo.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn struct_person() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `run` is never used [INFO] [stderr] --> src/struct_demo.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `GeoPoint` is never constructed [INFO] [stderr] --> src/struct_demo.rs:54:8 [INFO] [stderr] | [INFO] [stderr] 54 | struct GeoPoint(f64, f64); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/struct_demo.rs:57:8 [INFO] [stderr] | [INFO] [stderr] 56 | impl GeoPoint { [INFO] [stderr] | ------------- associated function in this implementation [INFO] [stderr] 57 | fn new(long: f64, lat: f64) -> GeoPoint { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `tuple_struct` is never used [INFO] [stderr] --> src/struct_demo.rs:62:8 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn tuple_struct() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Nothing` is never constructed [INFO] [stderr] --> src/struct_demo.rs:67:8 [INFO] [stderr] | [INFO] [stderr] 67 | struct Nothing; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_nothing` is never used [INFO] [stderr] --> src/struct_demo.rs:69:8 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn test_nothing() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_method` is never used [INFO] [stderr] --> src/struct_demo.rs:74:8 [INFO] [stderr] | [INFO] [stderr] 74 | pub fn test_method() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_method_new` is never used [INFO] [stderr] --> src/struct_demo.rs:84:8 [INFO] [stderr] | [INFO] [stderr] 84 | pub fn test_method_new() { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] warning: trait `CanSayHello` is never used [INFO] [stderr] --> src/trait_demo.rs:1:7 [INFO] [stderr] | [INFO] [stderr] 1 | trait CanSayHello { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `CanSayGoodbye` is never used [INFO] [stderr] --> src/trait_demo.rs:6:7 [INFO] [stderr] | [INFO] [stderr] 6 | trait CanSayGoodbye { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Person` is never constructed [INFO] [stderr] --> src/trait_demo.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | struct Person { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `run` is never used [INFO] [stderr] --> src/trait_demo.rs:50:8 [INFO] [stderr] | [INFO] [stderr] 50 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Company` is never constructed [INFO] [stderr] --> src/attributes_demo.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | struct Company { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Company` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: function `test_attribute_debug` is never used [INFO] [stderr] --> src/attributes_demo.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn test_attribute_debug() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `text_box` is never used [INFO] [stderr] --> src/smart_pointer_demo.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn text_box() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `display_number` is never used [INFO] [stderr] --> src/smart_pointer_demo.rs:8:4 [INFO] [stderr] | [INFO] [stderr] 8 | fn display_number(value: i32) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `display_number_reference` is never used [INFO] [stderr] --> src/smart_pointer_demo.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn display_number_reference(value: &i32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `ProductCategory` is never used [INFO] [stderr] --> src/smart_pointer_demo.rs:18:6 [INFO] [stderr] | [INFO] [stderr] 18 | enum ProductCategory { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ProductCategory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: function `test_box_enum` is never used [INFO] [stderr] --> src/smart_pointer_demo.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn test_box_enum() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_dereference` is never used [INFO] [stderr] --> src/dereference_demo.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn test_dereference() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `MyValue` is never constructed [INFO] [stderr] --> src/dereference_demo.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | struct MyValue { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_deref` is never used [INFO] [stderr] --> src/dereference_demo.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn test_deref() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `say_hello` is never used [INFO] [stderr] --> src/dereference_demo.rs:30:4 [INFO] [stderr] | [INFO] [stderr] 30 | fn say_hello(name: &String) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_deref_coercion` is never used [INFO] [stderr] --> src/dereference_demo.rs:34:8 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn test_deref_coercion() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Book` is never constructed [INFO] [stderr] --> src/cleanup_demo.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Book { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_drop` is never used [INFO] [stderr] --> src/cleanup_demo.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn test_drop() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `0` and `1` are never read [INFO] [stderr] --> src/multiple_ownership_demo.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | Of(String, Rc), [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] 9 - Of(String, Rc), [INFO] [stderr] 9 + Of((), ()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `mydemo-rust-dasar` (bin "mydemo-rust-dasar" test) generated 103 warnings (run `cargo fix --bin "mydemo-rust-dasar" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mydemo_rust_dasar-b4b076d773c98fee) [INFO] running `Command { std: "docker" "inspect" "068b998b34261d5f2f99e4862ba759f43069721ba849aff002d38225bfd27513", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "068b998b34261d5f2f99e4862ba759f43069721ba849aff002d38225bfd27513", kill_on_drop: false }` [INFO] [stdout] 068b998b34261d5f2f99e4862ba759f43069721ba849aff002d38225bfd27513