[INFO] cloning repository https://github.com/lafer-m/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lafer-m/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flafer-m%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flafer-m%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 48990d1d3a2a8b1310e56ed1fff036a191e117bf [INFO] testing lafer-m/rust-practice against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flafer-m%2Frust-practice" "/workspace/builds/worker-21/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lafer-m/rust-practice on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lafer-m/rust-practice [INFO] finished tweaking git repo https://github.com/lafer-m/rust-practice [INFO] tweaked toml for git repo https://github.com/lafer-m/rust-practice written to /workspace/builds/worker-21/source/Cargo.toml [INFO] crate git repo https://github.com/lafer-m/rust-practice already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 96b76514b67c552fa9addcf4295c2f456f3f94d29a89a8f73dfa64463cc45d0a [INFO] running `Command { std: "docker" "start" "-a" "96b76514b67c552fa9addcf4295c2f456f3f94d29a89a8f73dfa64463cc45d0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96b76514b67c552fa9addcf4295c2f456f3f94d29a89a8f73dfa64463cc45d0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96b76514b67c552fa9addcf4295c2f456f3f94d29a89a8f73dfa64463cc45d0a", kill_on_drop: false }` [INFO] [stdout] 96b76514b67c552fa9addcf4295c2f456f3f94d29a89a8f73dfa64463cc45d0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ece5181fbebea2daca3107a93c853d5e232c7ddf0fa2ab410bb1609c8e0fab36 [INFO] running `Command { std: "docker" "start" "-a" "ece5181fbebea2daca3107a93c853d5e232c7ddf0fa2ab410bb1609c8e0fab36", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.118 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling quote v1.0.16 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling getrandom v0.2.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Compiling clap v3.1.6 [INFO] [stderr] Compiling rust-practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `user` should have an upper camel case name [INFO] [stdout] --> src/datatypes/structa.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct user { [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `User` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Cons`, `Nil` [INFO] [stdout] --> src/smartpointer/smart_pointer.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | use List::{Cons,Nil}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::drop` [INFO] [stdout] --> src/smartpointer/drop_trait.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem::drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Cons`, `Nil` [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use List::{Cons,Nil}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/concurrency/spawn_thread.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> src/oop/state_change.rs:72:28 [INFO] [stdout] | [INFO] [stdout] 72 | fn contents<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> src/oop/state_change.rs:85:28 [INFO] [stdout] | [INFO] [stdout] 85 | fn contents<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/errors/errhandlers.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `readusername` [INFO] [stdout] --> src/errors/errhandlers.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn readusername() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username` [INFO] [stdout] --> src/errors/errhandlers.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn read_username() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `user` [INFO] [stdout] --> src/datatypes/structa.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct user { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `area` [INFO] [stdout] --> src/datatypes/structa.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn area(angle: &Rectangle) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Screen` [INFO] [stdout] --> src/datatypes/trait_object.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Screen { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/datatypes/trait_object.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn run(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/datatypes/trait_object.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | a: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/datatypes/trait_object.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | b: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/datatypes/trait_object.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | a: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/datatypes/trait_object.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | b: i8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Cacher` [INFO] [stdout] --> src/closure/cacher.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_shoe_size` [INFO] [stdout] --> src/closure/iterator.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn find_shoe_size(shoes: Vec, size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/closure/iterator_self_define.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | fn new() ->Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/smartpointer/smart_pointer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Cons(i32, Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/smartpointer/smart_pointer.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/smartpointer/smart_pointer.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/smartpointer/smart_pointer.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/smartpointer/deref_trait.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | fn new(v: T) -> Mybox { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello` [INFO] [stdout] --> src/smartpointer/deref_trait.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn hello(s: &str) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Cons(i32, Rc), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/oop/state_change.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | state: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/oop/state_change.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn new() -> Post { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_text` [INFO] [stdout] --> src/oop/state_change.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn add_text(&mut self,s: &str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `request_review` [INFO] [stdout] --> src/oop/state_change.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn request_review(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `approve` [INFO] [stdout] --> src/oop/state_change.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn approve(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contents` [INFO] [stdout] --> src/oop/state_change.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn contents(&self) -> &str { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 33 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.55s [INFO] running `Command { std: "docker" "inspect" "ece5181fbebea2daca3107a93c853d5e232c7ddf0fa2ab410bb1609c8e0fab36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ece5181fbebea2daca3107a93c853d5e232c7ddf0fa2ab410bb1609c8e0fab36", kill_on_drop: false }` [INFO] [stdout] ece5181fbebea2daca3107a93c853d5e232c7ddf0fa2ab410bb1609c8e0fab36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 871c5c7a4b6478528b3b34b0fabd8a629793be8ef209d3184a59ef38735f02a9 [INFO] running `Command { std: "docker" "start" "-a" "871c5c7a4b6478528b3b34b0fabd8a629793be8ef209d3184a59ef38735f02a9", kill_on_drop: false }` [INFO] [stdout] warning: type `user` should have an upper camel case name [INFO] [stdout] --> src/datatypes/structa.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct user { [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `User` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Cons`, `Nil` [INFO] [stdout] --> src/smartpointer/smart_pointer.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | use List::{Cons,Nil}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::drop` [INFO] [stdout] --> src/smartpointer/drop_trait.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem::drop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Cons`, `Nil` [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use List::{Cons,Nil}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/concurrency/spawn_thread.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> src/oop/state_change.rs:72:28 [INFO] [stdout] | [INFO] [stdout] 72 | fn contents<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> src/oop/state_change.rs:85:28 [INFO] [stdout] | [INFO] [stdout] 85 | fn contents<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/errors/errhandlers.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `readusername` [INFO] [stdout] --> src/errors/errhandlers.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn readusername() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username` [INFO] [stdout] --> src/errors/errhandlers.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn read_username() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `user` [INFO] [stdout] --> src/datatypes/structa.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct user { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `area` [INFO] [stdout] --> src/datatypes/structa.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn area(angle: &Rectangle) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Screen` [INFO] [stdout] --> src/datatypes/trait_object.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Screen { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/datatypes/trait_object.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn run(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/datatypes/trait_object.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | a: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/datatypes/trait_object.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | b: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/datatypes/trait_object.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | a: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/datatypes/trait_object.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | b: i8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Cacher` [INFO] [stdout] --> src/closure/cacher.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_shoe_size` [INFO] [stdout] --> src/closure/iterator.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn find_shoe_size(shoes: Vec, size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/closure/iterator_self_define.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | fn new() ->Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/smartpointer/smart_pointer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Cons(i32, Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/smartpointer/smart_pointer.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/smartpointer/smart_pointer.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/smartpointer/smart_pointer.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/smartpointer/deref_trait.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | fn new(v: T) -> Mybox { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello` [INFO] [stdout] --> src/smartpointer/deref_trait.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn hello(s: &str) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Cons(i32, Rc), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/oop/state_change.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | state: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/oop/state_change.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn new() -> Post { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_text` [INFO] [stdout] --> src/oop/state_change.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn add_text(&mut self,s: &str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `request_review` [INFO] [stdout] --> src/oop/state_change.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn request_review(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rust-practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `approve` [INFO] [stdout] --> src/oop/state_change.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn approve(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contents` [INFO] [stdout] --> src/oop/state_change.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn contents(&self) -> &str { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 33 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `user` should have an upper camel case name [INFO] [stdout] --> src/datatypes/structa.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct user { [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `User` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let b = Rc::new(Cons(0, Rc::clone(&a))); // Rc::clone only increments the reference count, no deep-copy happened [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/smartpointer/rc_t_ref.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let c = Rc::new(Cons(-1, Rc::clone(&a))); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> src/oop/state_change.rs:72:28 [INFO] [stdout] | [INFO] [stdout] 72 | fn contents<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> src/oop/state_change.rs:85:28 [INFO] [stdout] | [INFO] [stdout] 85 | fn contents<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/errors/errhandlers.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `readusername` [INFO] [stdout] --> src/errors/errhandlers.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn readusername() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username` [INFO] [stdout] --> src/errors/errhandlers.rs:39:4 [INFO] [stdout] | [INFO] [stdout] 39 | fn read_username() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `user` [INFO] [stdout] --> src/datatypes/structa.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct user { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `area` [INFO] [stdout] --> src/datatypes/structa.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn area(angle: &Rectangle) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/datatypes/trait_object.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | a: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/datatypes/trait_object.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | b: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/datatypes/trait_object.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | a: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/datatypes/trait_object.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | b: i8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Cacher` [INFO] [stdout] --> src/closure/cacher.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `sizeShoes` should have a snake case name [INFO] [stdout] --> src/closure/iterator.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let sizeShoes = find_shoe_size(shoes, 10); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `size_shoes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "871c5c7a4b6478528b3b34b0fabd8a629793be8ef209d3184a59ef38735f02a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "871c5c7a4b6478528b3b34b0fabd8a629793be8ef209d3184a59ef38735f02a9", kill_on_drop: false }` [INFO] [stdout] 871c5c7a4b6478528b3b34b0fabd8a629793be8ef209d3184a59ef38735f02a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fdeb13a859b2290a2c04a676793b32485a4f6c96f34a2a019659c85d6254eaa9 [INFO] running `Command { std: "docker" "start" "-a" "fdeb13a859b2290a2c04a676793b32485a4f6c96f34a2a019659c85d6254eaa9", kill_on_drop: false }` [INFO] [stderr] warning: type `user` should have an upper camel case name [INFO] [stderr] --> src/datatypes/structa.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct user { [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `User` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Cons`, `Nil` [INFO] [stderr] --> src/smartpointer/smart_pointer.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 10 | use List::{Cons,Nil}; [INFO] [stderr] | ^^^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem::drop` [INFO] [stderr] --> src/smartpointer/drop_trait.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::mem::drop; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Cons`, `Nil` [INFO] [stderr] --> src/smartpointer/rc_t_ref.rs:11:12 [INFO] [stderr] | [INFO] [stderr] 11 | use List::{Cons,Nil}; [INFO] [stderr] | ^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/concurrency/spawn_thread.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `post` [INFO] [stderr] --> src/oop/state_change.rs:72:28 [INFO] [stderr] | [INFO] [stderr] 72 | fn contents<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `post` [INFO] [stderr] --> src/oop/state_change.rs:85:28 [INFO] [stderr] | [INFO] [stderr] 85 | fn contents<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/errors/errhandlers.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn test() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `readusername` [INFO] [stderr] --> src/errors/errhandlers.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn readusername() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_username` [INFO] [stderr] --> src/errors/errhandlers.rs:39:4 [INFO] [stderr] | [INFO] [stderr] 39 | fn read_username() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `user` [INFO] [stderr] --> src/datatypes/structa.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct user { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `area` [INFO] [stderr] --> src/datatypes/structa.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn area(angle: &Rectangle) -> u32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Screen` [INFO] [stderr] --> src/datatypes/trait_object.rs:18:12 [INFO] [stderr] | [INFO] [stderr] 18 | pub struct Screen { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `run` [INFO] [stderr] --> src/datatypes/trait_object.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn run(&self) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `a` [INFO] [stderr] --> src/datatypes/trait_object.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | a: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `b` [INFO] [stderr] --> src/datatypes/trait_object.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | b: u32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `a` [INFO] [stderr] --> src/datatypes/trait_object.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | a: u8, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `b` [INFO] [stderr] --> src/datatypes/trait_object.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | b: i8, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Cacher` [INFO] [stderr] --> src/closure/cacher.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct Cacher [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_shoe_size` [INFO] [stderr] --> src/closure/iterator.rs:29:4 [INFO] [stderr] | [INFO] [stderr] 29 | fn find_shoe_size(shoes: Vec, size: u32) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/closure/iterator_self_define.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | fn new() ->Counter { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Cons` [INFO] [stderr] --> src/smartpointer/smart_pointer.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | Cons(i32, Box), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/smartpointer/smart_pointer.rs:4:10 [INFO] [stderr] | [INFO] [stderr] 4 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nil` [INFO] [stderr] --> src/smartpointer/smart_pointer.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Nil, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/smartpointer/smart_pointer.rs:4:10 [INFO] [stderr] | [INFO] [stderr] 4 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/smartpointer/deref_trait.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | fn new(v: T) -> Mybox { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hello` [INFO] [stderr] --> src/smartpointer/deref_trait.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn hello(s: &str) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Cons` [INFO] [stderr] --> src/smartpointer/rc_t_ref.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | Cons(i32, Rc), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/smartpointer/rc_t_ref.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nil` [INFO] [stderr] --> src/smartpointer/rc_t_ref.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | Nil, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/smartpointer/rc_t_ref.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `state` [INFO] [stderr] --> src/oop/state_change.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | state: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/oop/state_change.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn new() -> Post { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add_text` [INFO] [stderr] --> src/oop/state_change.rs:35:12 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn add_text(&mut self,s: &str) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `request_review` [INFO] [stderr] --> src/oop/state_change.rs:38:12 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn request_review(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `approve` [INFO] [stderr] --> src/oop/state_change.rs:43:12 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn approve(&mut self) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `contents` [INFO] [stderr] --> src/oop/state_change.rs:49:12 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn contents(&self) -> &str { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/smartpointer/rc_t_ref.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let b = Rc::new(Cons(0, Rc::clone(&a))); // Rc::clone only increments the reference count, no deep-copy happened [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/smartpointer/rc_t_ref.rs:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | let c = Rc::new(Cons(-1, Rc::clone(&a))); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `post` [INFO] [stderr] --> src/oop/state_change.rs:72:28 [INFO] [stderr] | [INFO] [stderr] 72 | fn contents<'a>(&self, post: &'a Post) -> &'a str { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stderr] [INFO] [stderr] warning: variable `sizeShoes` should have a snake case name [INFO] [stderr] --> src/closure/iterator.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | let sizeShoes = find_shoe_size(shoes, 10); [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `size_shoes` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust-practice` (lib) generated 33 warnings [INFO] [stderr] warning: `rust-practice` (lib test) generated 16 warnings (12 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_practice-3308f5fcc3ce6b02) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test closure::cacher::test_closuer ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/closure-6b25903fd5377bda) [INFO] [stdout] test closure::iterator::test_iterator ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cmd-decb9fdab28ec80e) [INFO] [stdout] test closure::cacher::test_ownership_closuer ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/largest-42c481ac6bc5a2b6) [INFO] [stdout] test closure::iterator::test_shoesize ... ok [INFO] [stdout] test closure::iterator_self_define::test_iterator ... ok [INFO] [stdout] test concurrency::spawn_thread::test_thread ... ok [INFO] [stdout] test datatypes::trait_object::test_trait_object ... ok [INFO] [stdout] test oop::state_change::test_state_change ... ok [INFO] [stdout] test smartpointer::deref_trait::test_deref ... ok [INFO] [stdout] test smartpointer::drop_trait::test_drop_trait ... ok [INFO] [stdout] test smartpointer::drop_trait::test_manul_drop ... ok [INFO] [stdout] test smartpointer::smart_pointer::test_box_smart_pointer ... ok [INFO] [stdout] test smartpointer::rc_t_ref::test_box_smart_pointer ... ok [INFO] [stdout] test tests::tests::test_hello ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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] [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] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/openfile-6aef93c578d4e1b2) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/readtextfromfileandsearchhello-53c599c94a4131ab) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/testmain-6d3297a80af9a26b) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Doc-tests rust-practice [INFO] [stdout] [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] [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] [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] [stderr] warning: type `user` should have an upper camel case name [INFO] [stderr] --> /opt/rustwide/workdir/src/datatypes/structa.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct user { [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `User` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/document/doc.rs - document::doc::add_one (line 5) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fdeb13a859b2290a2c04a676793b32485a4f6c96f34a2a019659c85d6254eaa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdeb13a859b2290a2c04a676793b32485a4f6c96f34a2a019659c85d6254eaa9", kill_on_drop: false }` [INFO] [stdout] fdeb13a859b2290a2c04a676793b32485a4f6c96f34a2a019659c85d6254eaa9