[INFO] cloning repository https://github.com/iam-joey/rust-learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iam-joey/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiam-joey%2Frust-learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiam-joey%2Frust-learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23b540d761887e49be0df1d75a9efde5826d507f [INFO] testing iam-joey/rust-learning against beta-2025-09-21 for beta-1.91-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiam-joey%2Frust-learning" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/iam-joey/rust-learning [INFO] finished tweaking git repo https://github.com/iam-joey/rust-learning [INFO] tweaked toml for git repo https://github.com/iam-joey/rust-learning written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/iam-joey/rust-learning on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/iam-joey/rust-learning 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" "+beta-2025-09-21" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c826023e93e5b711b4ddb9162a89eacaedf72fe984931d3fcaba78aca443c65 [INFO] running `Command { std: "docker" "start" "-a" "3c826023e93e5b711b4ddb9162a89eacaedf72fe984931d3fcaba78aca443c65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c826023e93e5b711b4ddb9162a89eacaedf72fe984931d3fcaba78aca443c65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c826023e93e5b711b4ddb9162a89eacaedf72fe984931d3fcaba78aca443c65", kill_on_drop: false }` [INFO] [stdout] 3c826023e93e5b711b4ddb9162a89eacaedf72fe984931d3fcaba78aca443c65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a7790e8e60ab54c625b7eb088775ecacf8086b41a27be8de7a2320cb5d36f13 [INFO] running `Command { std: "docker" "start" "-a" "7a7790e8e60ab54c625b7eb088775ecacf8086b41a27be8de7a2320cb5d36f13", kill_on_drop: false }` [INFO] [stderr] Compiling rustify v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `iterators::dsa` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use iterators::dsa; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread::sleep` and `time::Duration` [INFO] [stdout] --> src/main.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{thread::sleep, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `traits::Sounds` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use traits::Sounds; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::format` [INFO] [stdout] --> src/files.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::format, fs, path}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type parameter `petType` should have an upper camel case name [INFO] [stdout] --> src/traits.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Person [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper camel case: `PetType` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/dsa.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | for i in a.chars().enumerate() {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/files.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let a = fs::create_dir("joey"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/files.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let file = fs::File::create(path); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fruit` [INFO] [stdout] --> src/iterators.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let fruit = fruits.iter(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_fruit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/thread.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let a = spawn(thread_busy); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Animal` is more private than the item `Person` [INFO] [stdout] --> src/traits.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Person [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ struct `Person` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but trait `Animal` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/traits.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | trait Animal {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Friendly` is more private than the item `Person` [INFO] [stdout] --> src/traits.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Person [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ struct `Person` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but trait `Friendly` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/traits.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | trait Friendly {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `closure` is never used [INFO] [stdout] --> src/closure.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn closure() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/dsa.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn plus_one(mut digits: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `single_number` is never used [INFO] [stdout] --> src/dsa.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn single_number(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `string` is never used [INFO] [stdout] --> src/dsa.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn string(s: &String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_create_dir` is never used [INFO] [stdout] --> src/files.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn test_create_dir() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `file_create` is never used [INFO] [stdout] --> src/files.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn file_create() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_to_file` is never used [INFO] [stdout] --> src/files.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn write_to_file() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_file` is never used [INFO] [stdout] --> src/files.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn delete_file() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `say_hello` is never used [INFO] [stdout] --> src/helper.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn say_hello() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_iterators` is never used [INFO] [stdout] --> src/iterators.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test_iterators() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dsa` is never used [INFO] [stdout] --> src/iterators.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn dsa() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_mutex` is never used [INFO] [stdout] --> src/mutex.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn test_mutex() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_thread` is never used [INFO] [stdout] --> src/mympsc.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn test_thread() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `scope_thread_spawn` is never used [INFO] [stdout] --> src/scopethreads.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn scope_thread_spawn() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `thread_spawn` is never used [INFO] [stdout] --> src/thread.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn thread_spawn() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/traits.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Person [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Dog` is never constructed [INFO] [stdout] --> src/traits.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Dog; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Animal` is never used [INFO] [stdout] --> src/traits.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | trait Animal {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Friendly` is never used [INFO] [stdout] --> src/traits.rs:29:7 [INFO] [stdout] | [INFO] [stdout] 29 | trait Friendly {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sounds` is never used [INFO] [stdout] --> src/traits.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 35 | pub trait Sounds { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/mympsc.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | sender.send(i + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = sender.send(i + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/mympsc.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | t1.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 35 | let _ = t1.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scopethreads.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | scope.spawn(closure).join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 13 | let _ = scope.spawn(closure).join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scopethreads.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | scope.spawn(closure).join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 15 | let _ = scope.spawn(closure).join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scopethreads.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | scope.spawn(closure).join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 17 | let _ = scope.spawn(closure).join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "7a7790e8e60ab54c625b7eb088775ecacf8086b41a27be8de7a2320cb5d36f13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a7790e8e60ab54c625b7eb088775ecacf8086b41a27be8de7a2320cb5d36f13", kill_on_drop: false }` [INFO] [stdout] 7a7790e8e60ab54c625b7eb088775ecacf8086b41a27be8de7a2320cb5d36f13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c2f4cf210d02aa0dcec912efd28e26f93dafad8d96a8ee6eedca5db2c99aab8 [INFO] running `Command { std: "docker" "start" "-a" "6c2f4cf210d02aa0dcec912efd28e26f93dafad8d96a8ee6eedca5db2c99aab8", kill_on_drop: false }` [INFO] [stderr] Compiling rustify v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `iterators::dsa` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use iterators::dsa; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `thread::sleep` and `time::Duration` [INFO] [stdout] --> src/main.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{thread::sleep, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `traits::Sounds` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use traits::Sounds; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::format` [INFO] [stdout] --> src/files.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::format, fs, path}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type parameter `petType` should have an upper camel case name [INFO] [stdout] --> src/traits.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Person [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper camel case: `PetType` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/dsa.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | for i in a.chars().enumerate() {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/files.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let a = fs::create_dir("joey"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/files.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let file = fs::File::create(path); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fruit` [INFO] [stdout] --> src/iterators.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let fruit = fruits.iter(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_fruit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/thread.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let a = spawn(thread_busy); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Animal` is more private than the item `Person` [INFO] [stdout] --> src/traits.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Person [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ struct `Person` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but trait `Animal` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/traits.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | trait Animal {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Friendly` is more private than the item `Person` [INFO] [stdout] --> src/traits.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Person [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ struct `Person` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but trait `Friendly` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/traits.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 29 | trait Friendly {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `closure` is never used [INFO] [stdout] --> src/closure.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn closure() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/dsa.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn plus_one(mut digits: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `single_number` is never used [INFO] [stdout] --> src/dsa.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn single_number(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `string` is never used [INFO] [stdout] --> src/dsa.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn string(s: &String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_create_dir` is never used [INFO] [stdout] --> src/files.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn test_create_dir() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `file_create` is never used [INFO] [stdout] --> src/files.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn file_create() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `write_to_file` is never used [INFO] [stdout] --> src/files.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn write_to_file() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `delete_file` is never used [INFO] [stdout] --> src/files.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn delete_file() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `say_hello` is never used [INFO] [stdout] --> src/helper.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn say_hello() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_iterators` is never used [INFO] [stdout] --> src/iterators.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test_iterators() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dsa` is never used [INFO] [stdout] --> src/iterators.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn dsa() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_mutex` is never used [INFO] [stdout] --> src/mutex.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn test_mutex() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_thread` is never used [INFO] [stdout] --> src/mympsc.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn test_thread() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `scope_thread_spawn` is never used [INFO] [stdout] --> src/scopethreads.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn scope_thread_spawn() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `thread_spawn` is never used [INFO] [stdout] --> src/thread.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn thread_spawn() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/traits.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Person [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Dog` is never constructed [INFO] [stdout] --> src/traits.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Dog; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Animal` is never used [INFO] [stdout] --> src/traits.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | trait Animal {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Friendly` is never used [INFO] [stdout] --> src/traits.rs:29:7 [INFO] [stdout] | [INFO] [stdout] 29 | trait Friendly {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sounds` is never used [INFO] [stdout] --> src/traits.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 35 | pub trait Sounds { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/mympsc.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | sender.send(i + 1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = sender.send(i + 1); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/mympsc.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | t1.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 35 | let _ = t1.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scopethreads.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | scope.spawn(closure).join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 13 | let _ = scope.spawn(closure).join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scopethreads.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | scope.spawn(closure).join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 15 | let _ = scope.spawn(closure).join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/scopethreads.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | scope.spawn(closure).join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 17 | let _ = scope.spawn(closure).join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "6c2f4cf210d02aa0dcec912efd28e26f93dafad8d96a8ee6eedca5db2c99aab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c2f4cf210d02aa0dcec912efd28e26f93dafad8d96a8ee6eedca5db2c99aab8", kill_on_drop: false }` [INFO] [stdout] 6c2f4cf210d02aa0dcec912efd28e26f93dafad8d96a8ee6eedca5db2c99aab8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1a51ce6cb2ea11d507ee05eb844f3461d076167b4b0ac2b6916c05015aa959f4 [INFO] running `Command { std: "docker" "start" "-a" "1a51ce6cb2ea11d507ee05eb844f3461d076167b4b0ac2b6916c05015aa959f4", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `iterators::dsa` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use iterators::dsa; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `thread::sleep` and `time::Duration` [INFO] [stderr] --> src/main.rs:2:11 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{thread::sleep, time::Duration}; [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `traits::Sounds` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use traits::Sounds; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `fmt::format` [INFO] [stderr] --> src/files.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{fmt::format, fs, path}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type parameter `petType` should have an upper camel case name [INFO] [stderr] --> src/traits.rs:1:19 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Person [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper camel case: `PetType` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/dsa.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | for i in a.chars().enumerate() {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/files.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let a = fs::create_dir("joey"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `file` [INFO] [stderr] --> src/files.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let file = fs::File::create(path); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `fruit` [INFO] [stderr] --> src/iterators.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let fruit = fruits.iter(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_fruit` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/thread.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let a = spawn(thread_busy); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: trait `Animal` is more private than the item `Person` [INFO] [stderr] --> src/traits.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Person [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ struct `Person` is reachable at visibility `pub(crate)` [INFO] [stderr] | [INFO] [stderr] note: but trait `Animal` is only usable at visibility `pub(self)` [INFO] [stderr] --> src/traits.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | trait Animal {} [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(private_bounds)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait `Friendly` is more private than the item `Person` [INFO] [stderr] --> src/traits.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Person [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ struct `Person` is reachable at visibility `pub(crate)` [INFO] [stderr] | [INFO] [stderr] note: but trait `Friendly` is only usable at visibility `pub(self)` [INFO] [stderr] --> src/traits.rs:29:1 [INFO] [stderr] | [INFO] [stderr] 29 | trait Friendly {} [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `closure` is never used [INFO] [stderr] --> src/closure.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn closure() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `plus_one` is never used [INFO] [stderr] --> src/dsa.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn plus_one(mut digits: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `single_number` is never used [INFO] [stderr] --> src/dsa.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn single_number(nums: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `string` is never used [INFO] [stderr] --> src/dsa.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn string(s: &String) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_create_dir` is never used [INFO] [stderr] --> src/files.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn test_create_dir() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `file_create` is never used [INFO] [stderr] --> src/files.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn file_create() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `write_to_file` is never used [INFO] [stderr] --> src/files.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn write_to_file() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `delete_file` is never used [INFO] [stderr] --> src/files.rs:34:8 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn delete_file() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `say_hello` is never used [INFO] [stderr] --> src/helper.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn say_hello() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_iterators` is never used [INFO] [stderr] --> src/iterators.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn test_iterators() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `dsa` is never used [INFO] [stderr] --> src/iterators.rs:32:8 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn dsa() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_mutex` is never used [INFO] [stderr] --> src/mutex.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn test_mutex() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_thread` is never used [INFO] [stderr] --> src/mympsc.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn test_thread() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `scope_thread_spawn` is never used [INFO] [stderr] --> src/scopethreads.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn scope_thread_spawn() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `thread_spawn` is never used [INFO] [stderr] --> src/thread.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn thread_spawn() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Person` is never constructed [INFO] [stderr] --> src/traits.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct Person [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Dog` is never constructed [INFO] [stderr] --> src/traits.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | pub struct Dog; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `Animal` is never used [INFO] [stderr] --> src/traits.rs:19:7 [INFO] [stderr] | [INFO] [stderr] 19 | trait Animal {} [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `Friendly` is never used [INFO] [stderr] --> src/traits.rs:29:7 [INFO] [stderr] | [INFO] [stderr] 29 | trait Friendly {} [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `Sounds` is never used [INFO] [stderr] --> src/traits.rs:35:11 [INFO] [stderr] | [INFO] [stderr] 35 | pub trait Sounds { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/mympsc.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | sender.send(i + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 31 | let _ = sender.send(i + 1); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/mympsc.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | t1.join(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 35 | let _ = t1.join(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/scopethreads.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | scope.spawn(closure).join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 13 | let _ = scope.spawn(closure).join(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/scopethreads.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | scope.spawn(closure).join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 15 | let _ = scope.spawn(closure).join(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/scopethreads.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | scope.spawn(closure).join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 17 | let _ = scope.spawn(closure).join(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rustify` (bin "rustify" test) generated 37 warnings (run `cargo fix --bin "rustify" --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustify-99f7779713997f46) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1a51ce6cb2ea11d507ee05eb844f3461d076167b4b0ac2b6916c05015aa959f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a51ce6cb2ea11d507ee05eb844f3461d076167b4b0ac2b6916c05015aa959f4", kill_on_drop: false }` [INFO] [stdout] 1a51ce6cb2ea11d507ee05eb844f3461d076167b4b0ac2b6916c05015aa959f4