[INFO] cloning repository https://github.com/bmrxntfj/hello_cargo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bmrxntfj/hello_cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmrxntfj%2Fhello_cargo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmrxntfj%2Fhello_cargo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d22bb6a59942861b7a454a2af015561f0bb41cf2 [INFO] testing bmrxntfj/hello_cargo against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmrxntfj%2Fhello_cargo" "/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/bmrxntfj/hello_cargo on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bmrxntfj/hello_cargo [INFO] finished tweaking git repo https://github.com/bmrxntfj/hello_cargo [INFO] tweaked toml for git repo https://github.com/bmrxntfj/hello_cargo written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/bmrxntfj/hello_cargo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 199d64cfa974d700b6698fdbd97f8a102a72ebadb582a6ba41e009420e556bd2 [INFO] running `Command { std: "docker" "start" "-a" "199d64cfa974d700b6698fdbd97f8a102a72ebadb582a6ba41e009420e556bd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "199d64cfa974d700b6698fdbd97f8a102a72ebadb582a6ba41e009420e556bd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "199d64cfa974d700b6698fdbd97f8a102a72ebadb582a6ba41e009420e556bd2", kill_on_drop: false }` [INFO] [stdout] 199d64cfa974d700b6698fdbd97f8a102a72ebadb582a6ba41e009420e556bd2 [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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 69b2d0617ab1c05992b5346d6e2dc6aa8c14540a2a5a83adbe437ca5ac80f21f [INFO] running `Command { std: "docker" "start" "-a" "69b2d0617ab1c05992b5346d6e2dc6aa8c14540a2a5a83adbe437ca5ac80f21f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/main.rs:151:13 [INFO] [stdout] | [INFO] [stdout] 151 | 'secondloop:loop{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:95:8 [INFO] [stdout] | [INFO] [stdout] 95 | #[warn(unused_labels)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 245 | ///println!("box value is {:?}",boxvalue); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 246 | [INFO] [stdout] 247 | let evenlist=vec![2,4,6,8,10]; [INFO] [stdout] | ------------------------------ rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | #[warn(unused_doc_comments)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:300:7 [INFO] [stdout] | [INFO] [stdout] 300 | ///println!("guessed:{}",guess); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 303 | / let guess:u32=match guess.trim().parse(){ [INFO] [stdout] 304 | | Ok(num)=>num, [INFO] [stdout] 305 | | Err(_)=>continue, [INFO] [stdout] 306 | | }; [INFO] [stdout] | |________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/main.rs:213:11 [INFO] [stdout] | [INFO] [stdout] 213 | while let varx=vari{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> src/main.rs:257:9 [INFO] [stdout] | [INFO] [stdout] 257 | let sum:i32=0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 101 | let mut stream=tcpstream.unwrap(); [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: field is never read: `age` [INFO] [stdout] --> src/main.rs:23:3 [INFO] [stdout] | [INFO] [stdout] 23 | age:u16 [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[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: `rnd` [INFO] [stdout] --> src/main.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | fn rnd<'a>()->Person<'a>{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | value:i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:54:10 [INFO] [stdout] | [INFO] [stdout] 54 | #[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: function is never used: `execute_fn` [INFO] [stdout] --> src/main.rs:330:8 [INFO] [stdout] | [INFO] [stdout] 330 | fn execute_fn(f:F) where [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `execute_fn_mut` [INFO] [stdout] --> src/main.rs:337:8 [INFO] [stdout] | [INFO] [stdout] 337 | fn execute_fn_mut(mut f:F) where [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `noreturn` [INFO] [stdout] --> src/main.rs:353:8 [INFO] [stdout] | [INFO] [stdout] 353 | fn noreturn()->!{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `workers` [INFO] [stdout] --> src/threadpool.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | workers:Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/threadpool.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | id:usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread` [INFO] [stdout] --> src/threadpool.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | thread:thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello_mod_crate` [INFO] [stdout] --> src/main.rs:387:28 [INFO] [stdout] | [INFO] [stdout] 387 | pub(in crate::util) fn hello_mod_crate(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello_self` [INFO] [stdout] --> src/main.rs:392:18 [INFO] [stdout] | [INFO] [stdout] 392 | pub(self) fn hello_self(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:391:12 [INFO] [stdout] | [INFO] [stdout] 391 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `function` [INFO] [stdout] --> src/cypto/nested.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn function() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ThreadPool` [INFO] [stdout] --> src/thread/inaccessible.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ThreadPool{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Job` [INFO] [stdout] --> src/thread/inaccessible.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/thread/inaccessible.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(size:usize)->ThreadPool{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `execute` [INFO] [stdout] --> src/thread/inaccessible.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn execute(&self,f:F) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Worker` [INFO] [stdout] --> src/thread/inaccessible.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct Worker{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/thread/inaccessible.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | fn new(id:usize,receiver:Arc>>)->Worker{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `function` [INFO] [stdout] --> src/thread/nested.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn function() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.44s [INFO] running `Command { std: "docker" "inspect" "69b2d0617ab1c05992b5346d6e2dc6aa8c14540a2a5a83adbe437ca5ac80f21f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69b2d0617ab1c05992b5346d6e2dc6aa8c14540a2a5a83adbe437ca5ac80f21f", kill_on_drop: false }` [INFO] [stdout] 69b2d0617ab1c05992b5346d6e2dc6aa8c14540a2a5a83adbe437ca5ac80f21f [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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa1db66449ddce15ee5d9dd11340201abde709d56addbbe7b44398ade36aa6b6 [INFO] running `Command { std: "docker" "start" "-a" "fa1db66449ddce15ee5d9dd11340201abde709d56addbbe7b44398ade36aa6b6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/main.rs:151:13 [INFO] [stdout] | [INFO] [stdout] 151 | 'secondloop:loop{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:95:8 [INFO] [stdout] | [INFO] [stdout] 95 | #[warn(unused_labels)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 245 | ///println!("box value is {:?}",boxvalue); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 246 | [INFO] [stdout] 247 | let evenlist=vec![2,4,6,8,10]; [INFO] [stdout] | ------------------------------ rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | #[warn(unused_doc_comments)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:300:7 [INFO] [stdout] | [INFO] [stdout] 300 | ///println!("guessed:{}",guess); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 303 | / let guess:u32=match guess.trim().parse(){ [INFO] [stdout] 304 | | Ok(num)=>num, [INFO] [stdout] 305 | | Err(_)=>continue, [INFO] [stdout] 306 | | }; [INFO] [stdout] | |________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/main.rs:213:11 [INFO] [stdout] | [INFO] [stdout] 213 | while let varx=vari{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> src/main.rs:257:9 [INFO] [stdout] | [INFO] [stdout] 257 | let sum:i32=0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 101 | let mut stream=tcpstream.unwrap(); [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: field is never read: `age` [INFO] [stdout] --> src/main.rs:23:3 [INFO] [stdout] | [INFO] [stdout] 23 | age:u16 [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[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: `rnd` [INFO] [stdout] --> src/main.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | fn rnd<'a>()->Person<'a>{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | value:i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:54:10 [INFO] [stdout] | [INFO] [stdout] 54 | #[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: `workers` [INFO] [stdout] --> src/threadpool.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | workers:Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/threadpool.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | id:usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread` [INFO] [stdout] --> src/threadpool.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | thread:thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello_mod_crate` [INFO] [stdout] --> src/main.rs:387:28 [INFO] [stdout] | [INFO] [stdout] 387 | pub(in crate::util) fn hello_mod_crate(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hello_self` [INFO] [stdout] --> src/main.rs:392:18 [INFO] [stdout] | [INFO] [stdout] 392 | pub(self) fn hello_self(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:391:12 [INFO] [stdout] | [INFO] [stdout] 391 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `function` [INFO] [stdout] --> src/cypto/nested.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn function() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ThreadPool` [INFO] [stdout] --> src/thread/inaccessible.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ThreadPool{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Job` [INFO] [stdout] --> src/thread/inaccessible.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/thread/inaccessible.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(size:usize)->ThreadPool{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `execute` [INFO] [stdout] --> src/thread/inaccessible.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn execute(&self,f:F) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Worker` [INFO] [stdout] --> src/thread/inaccessible.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct Worker{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/thread/inaccessible.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | fn new(id:usize,receiver:Arc>>)->Worker{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `function` [INFO] [stdout] --> src/thread/nested.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn function() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.06s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_cargo-d3499d97af2de13c) [INFO] running `Command { std: "docker" "inspect" "fa1db66449ddce15ee5d9dd11340201abde709d56addbbe7b44398ade36aa6b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa1db66449ddce15ee5d9dd11340201abde709d56addbbe7b44398ade36aa6b6", kill_on_drop: false }` [INFO] [stdout] fa1db66449ddce15ee5d9dd11340201abde709d56addbbe7b44398ade36aa6b6 [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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 88860665b6a92eb0abcfe36b9d814319b6a154e68e5f79fdd2a9b0459753ea48 [INFO] running `Command { std: "docker" "start" "-a" "88860665b6a92eb0abcfe36b9d814319b6a154e68e5f79fdd2a9b0459753ea48", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused label [INFO] [stderr] --> src/main.rs:151:13 [INFO] [stderr] | [INFO] [stderr] 151 | 'secondloop:loop{ [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:95:8 [INFO] [stderr] | [INFO] [stderr] 95 | #[warn(unused_labels)] [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:245:5 [INFO] [stderr] | [INFO] [stderr] 245 | ///println!("box value is {:?}",boxvalue); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 246 | [INFO] [stderr] 247 | let evenlist=vec![2,4,6,8,10]; [INFO] [stderr] | ------------------------------ rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:94:8 [INFO] [stderr] | [INFO] [stderr] 94 | #[warn(unused_doc_comments)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:300:7 [INFO] [stderr] | [INFO] [stderr] 300 | ///println!("guessed:{}",guess); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 303 | / let guess:u32=match guess.trim().parse(){ [INFO] [stderr] 304 | | Ok(num)=>num, [INFO] [stderr] 305 | | Err(_)=>continue, [INFO] [stderr] 306 | | }; [INFO] [stderr] | |________- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] [INFO] [stderr] warning: irrefutable `while let` pattern [INFO] [stderr] --> src/main.rs:213:11 [INFO] [stderr] | [INFO] [stderr] 213 | while let varx=vari{ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] = note: this pattern will always match, so the loop will never exit [INFO] [stderr] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum` [INFO] [stderr] --> src/main.rs:257:9 [INFO] [stderr] | [INFO] [stderr] 257 | let sum:i32=0; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:101:13 [INFO] [stderr] | [INFO] [stderr] 101 | let mut stream=tcpstream.unwrap(); [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: field is never read: `age` [INFO] [stderr] --> src/main.rs:23:3 [INFO] [stderr] | [INFO] [stderr] 23 | age:u16 [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:20:10 [INFO] [stderr] | [INFO] [stderr] 20 | #[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: `rnd` [INFO] [stderr] --> src/main.rs:27:8 [INFO] [stderr] | [INFO] [stderr] 27 | fn rnd<'a>()->Person<'a>{ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> src/main.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | value:i32, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:54:10 [INFO] [stderr] | [INFO] [stderr] 54 | #[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: `workers` [INFO] [stderr] --> src/threadpool.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | workers:Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/threadpool.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | id:usize, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `thread` [INFO] [stderr] --> src/threadpool.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | thread:thread::JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hello_mod_crate` [INFO] [stderr] --> src/main.rs:387:28 [INFO] [stderr] | [INFO] [stderr] 387 | pub(in crate::util) fn hello_mod_crate(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hello_self` [INFO] [stderr] --> src/main.rs:392:18 [INFO] [stderr] | [INFO] [stderr] 392 | pub(self) fn hello_self(){ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:391:12 [INFO] [stderr] | [INFO] [stderr] 391 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `function` [INFO] [stderr] --> src/cypto/nested.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn function() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ThreadPool` [INFO] [stderr] --> src/thread/inaccessible.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct ThreadPool{ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Job` [INFO] [stderr] --> src/thread/inaccessible.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | type Job = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/thread/inaccessible.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn new(size:usize)->ThreadPool{ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `execute` [INFO] [stderr] --> src/thread/inaccessible.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn execute(&self,f:F) [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Worker` [INFO] [stderr] --> src/thread/inaccessible.rs:34:8 [INFO] [stderr] | [INFO] [stderr] 34 | struct Worker{ [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/thread/inaccessible.rs:40:8 [INFO] [stderr] | [INFO] [stderr] 40 | fn new(id:usize,receiver:Arc>>)->Worker{ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `function` [INFO] [stderr] --> src/thread/nested.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn function() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello_cargo` (bin "hello_cargo" test) generated 22 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_cargo-d3499d97af2de13c) [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" "88860665b6a92eb0abcfe36b9d814319b6a154e68e5f79fdd2a9b0459753ea48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88860665b6a92eb0abcfe36b9d814319b6a154e68e5f79fdd2a9b0459753ea48", kill_on_drop: false }` [INFO] [stdout] 88860665b6a92eb0abcfe36b9d814319b6a154e68e5f79fdd2a9b0459753ea48