[INFO] cloning repository https://github.com/Imran-S-heikh/rust_man [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Imran-S-heikh/rust_man" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImran-S-heikh%2Frust_man", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImran-S-heikh%2Frust_man'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f40dc668848982bc2c5b36ca0d0e42c74fe1d063 [INFO] testing Imran-S-heikh/rust_man against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImran-S-heikh%2Frust_man" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Imran-S-heikh/rust_man on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Imran-S-heikh/rust_man [INFO] finished tweaking git repo https://github.com/Imran-S-heikh/rust_man [INFO] tweaked toml for git repo https://github.com/Imran-S-heikh/rust_man written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Imran-S-heikh/rust_man already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0804476ab5a4ec9e40a834eea4f8e4829a6a5cf149d4e72d4a7fdb0535229b7c [INFO] running `Command { std: "docker" "start" "-a" "0804476ab5a4ec9e40a834eea4f8e4829a6a5cf149d4e72d4a7fdb0535229b7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0804476ab5a4ec9e40a834eea4f8e4829a6a5cf149d4e72d4a7fdb0535229b7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0804476ab5a4ec9e40a834eea4f8e4829a6a5cf149d4e72d4a7fdb0535229b7c", kill_on_drop: false }` [INFO] [stdout] 0804476ab5a4ec9e40a834eea4f8e4829a6a5cf149d4e72d4a7fdb0535229b7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64838c0074ad5ed42e4199ac8ae3608a23067674801bc621564ff7f9c205d4f8 [INFO] running `Command { std: "docker" "start" "-a" "64838c0074ad5ed42e4199ac8ae3608a23067674801bc621564ff7f9c205d4f8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling rust_man v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `age` [INFO] [stdout] --> src/smart_pointer.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let age = CustomPointer { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_age` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/smart_pointer.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let b = RcCons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/smart_pointer.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | let c = RcCons(4,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: `another` [INFO] [stdout] --> src/generic/lifetime.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | fn life<'a>(value: &'a str,another: &i32)->&'a str { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/smart_pointer.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | let mut home = Rc::new(String::from("Random Vialla")); [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: variant is never constructed: `Cons` [INFO] [stdout] --> src/smart_pointer.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | Cons(i32, Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/smart_pointer.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[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/smart_pointer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | 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/smart_pointer.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[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: enum is never used: `RList` [INFO] [stdout] --> src/smart_pointer.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | enum RList { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/smart_pointer.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | fn new(x: T) -> MyBox { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `LimitTracker` [INFO] [stdout] --> src/smart_pointer.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct LimitTracker<'a, T: Messenger> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/smart_pointer.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | fn new (messenger: &T,max: usize)-> LimitTracker { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_value` [INFO] [stdout] --> src/smart_pointer.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn set_value(&mut self, value: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/smart_pointer.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/generic/prac.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/generic/prac.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn new(x: T, y: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cmp_display` [INFO] [stdout] --> src/generic/prac.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | fn cmp_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/generic/prac.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest` [INFO] [stdout] --> src/generic/prac.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn largest(list: &[T]) -> T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest` [INFO] [stdout] --> src/generic/lifetime.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn largest<'a>(first: &'a str, second: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `life` [INFO] [stdout] --> src/generic/lifetime.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn life<'a>(value: &'a str,another: &i32)->&'a str { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lifetime` [INFO] [stdout] --> src/generic/lifetime.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn lifetime() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Cacher` [INFO] [stdout] --> src/closures/generate_workout.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/closures/generate_workout.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/closures/generate_workout.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_workout` [INFO] [stdout] --> src/closures/generate_workout.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shoes_in_size` [INFO] [stdout] --> src/closures/iterator.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn shoes_in_size(shoes: Vec, size: u8) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/closures/iterator.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `iterator` [INFO] [stdout] --> src/closures/iterator.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn iterator() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.30s [INFO] running `Command { std: "docker" "inspect" "64838c0074ad5ed42e4199ac8ae3608a23067674801bc621564ff7f9c205d4f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64838c0074ad5ed42e4199ac8ae3608a23067674801bc621564ff7f9c205d4f8", kill_on_drop: false }` [INFO] [stdout] 64838c0074ad5ed42e4199ac8ae3608a23067674801bc621564ff7f9c205d4f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50165f81b71da75524f85485645c74b91a99ec39f98b38f6c3ce2a2a8c131b40 [INFO] running `Command { std: "docker" "start" "-a" "50165f81b71da75524f85485645c74b91a99ec39f98b38f6c3ce2a2a8c131b40", kill_on_drop: false }` [INFO] [stderr] Compiling rust_man v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `age` [INFO] [stdout] --> src/smart_pointer.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let age = CustomPointer { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_age` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/smart_pointer.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let b = RcCons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/smart_pointer.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | let c = RcCons(4,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: `another` [INFO] [stdout] --> src/generic/lifetime.rs:9:28 [INFO] [stdout] | [INFO] [stdout] 9 | fn life<'a>(value: &'a str,another: &i32)->&'a str { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/smart_pointer.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | let mut home = Rc::new(String::from("Random Vialla")); [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: variant is never constructed: `Cons` [INFO] [stdout] --> src/smart_pointer.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | Cons(i32, Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/smart_pointer.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[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/smart_pointer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | 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/smart_pointer.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[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: enum is never used: `RList` [INFO] [stdout] --> src/smart_pointer.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | enum RList { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/smart_pointer.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | fn new(x: T) -> MyBox { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `LimitTracker` [INFO] [stdout] --> src/smart_pointer.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | struct LimitTracker<'a, T: Messenger> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/smart_pointer.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | fn new (messenger: &T,max: usize)-> LimitTracker { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_value` [INFO] [stdout] --> src/smart_pointer.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn set_value(&mut self, value: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/smart_pointer.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/generic/prac.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/generic/prac.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn new(x: T, y: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cmp_display` [INFO] [stdout] --> src/generic/prac.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | fn cmp_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/generic/prac.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest` [INFO] [stdout] --> src/generic/prac.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn largest(list: &[T]) -> T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest` [INFO] [stdout] --> src/generic/lifetime.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn largest<'a>(first: &'a str, second: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `life` [INFO] [stdout] --> src/generic/lifetime.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn life<'a>(value: &'a str,another: &i32)->&'a str { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lifetime` [INFO] [stdout] --> src/generic/lifetime.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn lifetime() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Cacher` [INFO] [stdout] --> src/closures/generate_workout.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/closures/generate_workout.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/closures/generate_workout.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `generate_workout` [INFO] [stdout] --> src/closures/generate_workout.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shoes_in_size` [INFO] [stdout] --> src/closures/iterator.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn shoes_in_size(shoes: Vec, size: u8) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `iterator` [INFO] [stdout] --> src/closures/iterator.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn iterator() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "50165f81b71da75524f85485645c74b91a99ec39f98b38f6c3ce2a2a8c131b40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50165f81b71da75524f85485645c74b91a99ec39f98b38f6c3ce2a2a8c131b40", kill_on_drop: false }` [INFO] [stdout] 50165f81b71da75524f85485645c74b91a99ec39f98b38f6c3ce2a2a8c131b40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a43b86de85d97e9e2adb2fa31c70299567f1c7d21f5786c8fdb1f7a99776106d [INFO] running `Command { std: "docker" "start" "-a" "a43b86de85d97e9e2adb2fa31c70299567f1c7d21f5786c8fdb1f7a99776106d", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `age` [INFO] [stdout] running 1 test [INFO] [stderr] --> src/smart_pointer.rs:118:13 [INFO] [stdout] test closures::iterator::calling_next_directly ... ok [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 118 | let age = CustomPointer { [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_age` [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/smart_pointer.rs:129:13 [INFO] [stderr] | [INFO] [stderr] 129 | let b = RcCons(3, Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/smart_pointer.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | let c = RcCons(4,Rc::clone(&a)); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `another` [INFO] [stderr] --> src/generic/lifetime.rs:9:28 [INFO] [stderr] | [INFO] [stderr] 9 | fn life<'a>(value: &'a str,another: &i32)->&'a str { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/smart_pointer.rs:134:13 [INFO] [stderr] | [INFO] [stderr] 134 | let mut home = Rc::new(String::from("Random Vialla")); [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: variant is never constructed: `Cons` [INFO] [stderr] --> src/smart_pointer.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | Cons(i32, Box), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/smart_pointer.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[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/smart_pointer.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | 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/smart_pointer.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[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: enum is never used: `RList` [INFO] [stderr] --> src/smart_pointer.rs:10:6 [INFO] [stderr] | [INFO] [stderr] 10 | enum RList { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/smart_pointer.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 29 | fn new(x: T) -> MyBox { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `LimitTracker` [INFO] [stderr] --> src/smart_pointer.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | struct LimitTracker<'a, T: Messenger> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/smart_pointer.rs:59:8 [INFO] [stderr] | [INFO] [stderr] 59 | fn new (messenger: &T,max: usize)-> LimitTracker { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_value` [INFO] [stderr] --> src/smart_pointer.rs:67:8 [INFO] [stderr] | [INFO] [stderr] 67 | fn set_value(&mut self, value: usize) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/smart_pointer.rs:82:8 [INFO] [stderr] | [INFO] [stderr] 82 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Pair` [INFO] [stderr] --> src/generic/prac.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Pair { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/generic/prac.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | fn new(x: T, y: T) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `cmp_display` [INFO] [stderr] --> src/generic/prac.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | fn cmp_display(&self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/generic/prac.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `largest` [INFO] [stderr] --> src/generic/prac.rs:37:4 [INFO] [stderr] | [INFO] [stderr] 37 | fn largest(list: &[T]) -> T { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `largest` [INFO] [stderr] --> src/generic/lifetime.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn largest<'a>(first: &'a str, second: &'a str) -> &'a str { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `life` [INFO] [stderr] --> src/generic/lifetime.rs:9:4 [INFO] [stderr] | [INFO] [stderr] 9 | fn life<'a>(value: &'a str,another: &i32)->&'a str { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `lifetime` [INFO] [stderr] --> src/generic/lifetime.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn lifetime() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Cacher` [INFO] [stderr] --> src/closures/generate_workout.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | struct Cacher [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/closures/generate_workout.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | fn new(calculation: T) -> Cacher { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `value` [INFO] [stderr] --> src/closures/generate_workout.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `generate_workout` [INFO] [stderr] --> src/closures/generate_workout.rs:35:8 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `shoes_in_size` [INFO] [stderr] --> src/closures/iterator.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn shoes_in_size(shoes: Vec, size: u8) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `iterator` [INFO] [stderr] --> src/closures/iterator.rs:46:8 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn iterator() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust_man` (bin "rust_man" test) generated 27 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_man-3e9cf772459a1f5e) [INFO] running `Command { std: "docker" "inspect" "a43b86de85d97e9e2adb2fa31c70299567f1c7d21f5786c8fdb1f7a99776106d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a43b86de85d97e9e2adb2fa31c70299567f1c7d21f5786c8fdb1f7a99776106d", kill_on_drop: false }` [INFO] [stdout] a43b86de85d97e9e2adb2fa31c70299567f1c7d21f5786c8fdb1f7a99776106d