[INFO] cloning repository https://github.com/Arpt-Singh/embedded_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arpt-Singh/embedded_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArpt-Singh%2Fembedded_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArpt-Singh%2Fembedded_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 297ea598ccfb8dfb87ecc3c985cf87d21f10dca2
[INFO] testing Arpt-Singh/embedded_rust against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArpt-Singh%2Fembedded_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
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[INFO] started tweaking git repo https://github.com/Arpt-Singh/embedded_rust
[INFO] finished tweaking git repo https://github.com/Arpt-Singh/embedded_rust
[INFO] tweaked toml for git repo https://github.com/Arpt-Singh/embedded_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arpt-Singh/embedded_rust on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Arpt-Singh/embedded_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 369428c2843b368796804996997a0665235d4d99027baeb5b483af29ec057fa9
[INFO] running `Command { std: "docker" "start" "-a" "369428c2843b368796804996997a0665235d4d99027baeb5b483af29ec057fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "369428c2843b368796804996997a0665235d4d99027baeb5b483af29ec057fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369428c2843b368796804996997a0665235d4d99027baeb5b483af29ec057fa9", kill_on_drop: false }`
[INFO] [stdout] 369428c2843b368796804996997a0665235d4d99027baeb5b483af29ec057fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41e3c702fcad8a527e7ca8b41a7a0e179dec2b995dade0cae2b7b6fe7f936b8b
[INFO] running `Command { std: "docker" "start" "-a" "41e3c702fcad8a527e7ca8b41a7a0e179dec2b995dade0cae2b7b6fe7f936b8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling embedded_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `person` should have an upper camel case name
[INFO] [stdout]  --> closures.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct person{
[INFO] [stdout]   |        ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `silver` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     silver,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Silver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `blue` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     blue,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     red,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `black` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     black,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `white` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     white,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `White`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]   --> mystructs.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     green
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cat` should have an upper camel case name
[INFO] [stdout]   --> test_traits.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct cat {}
[INFO] [stdout]    |        ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `tiger` should have an upper camel case name
[INFO] [stdout]   --> test_traits.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct tiger {}
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper camel case: `Tiger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Sub`
[INFO] [stdout]  --> mydatetime.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{ops::Sub, time::{Duration,Instant}};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::spawn`
[INFO] [stdout]  --> myscopedthread.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread::spawn;     
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]  --> mymutex.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::{spawn,scope, sleep};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::myargs`
[INFO] [stdout]  --> myargs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::myargs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `opt1` is never read
[INFO] [stdout]  --> optiontest.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut opt1: Option<u8>= None;
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `opt1` is never read
[INFO] [stdout]  --> optiontest.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | let mut opt1:Option<String> = None;
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `chartype` is never read
[INFO] [stdout]   --> optiontest.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut  chartype:Option<CharaterType> = None;
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet1`
[INFO] [stdout]   --> test_traits.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let pet1 = Dog{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet3`
[INFO] [stdout]   --> test_traits.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let pet3 = Bear{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet4`
[INFO] [stdout]   --> test_traits.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let pet4 = tiger{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_foods`
[INFO] [stdout]   --> myiters.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let all_foods:Vec<&&str> = aggregate_foods.clone().collect();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_foods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_item`
[INFO] [stdout]   --> myiters.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let last_item = new_fruits.clone().last();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> myiters.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut fruit_list_strings = fruit_list.iter().map(|e| String::from(*e) );
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> mymutex.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut score = Mutex::new(0u128);
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> myargs.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut myargs:Vec<String>=    args().collect();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `driver_license`
[INFO] [stdout]    --> main.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let driver_license = false;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_driver_license`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drivers_license`
[INFO] [stdout]    --> main.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let drivers_license = if age>=16 {true} else {false};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drivers_license`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_name` is never read
[INFO] [stdout]  --> closures.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct person{
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 2 |     first_name:String,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `manufacturer`, `model`, and `year` are never read
[INFO] [stdout]   --> mystructs.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Vehicle {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 22 |     manufacturer: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 23 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     year: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vehicle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_vehical` is never used
[INFO] [stdout]   --> mystructs.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn new_vehical()-> Vehicle {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_name` is never read
[INFO] [stdout]  --> test_traits.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person<PetType: Animal> {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 2 |     first_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> mymutex.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         s.spawn(myfunc2).join(); 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let _ = s.spawn(myfunc2).join(); 
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> mymutex.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         s.spawn(myfunc).join(); // thread one is working on mutex
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = s.spawn(myfunc).join(); // thread one is working on mutex
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> mympsc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rx.recv_timeout(Duration::from_millis(300));
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let _ = rx.recv_timeout(Duration::from_millis(300));
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> mympsc.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 |    std::thread::spawn(processor_code).join();
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |    let _ = std::thread::spawn(processor_code).join();
[INFO] [stdout]    |    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "41e3c702fcad8a527e7ca8b41a7a0e179dec2b995dade0cae2b7b6fe7f936b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e3c702fcad8a527e7ca8b41a7a0e179dec2b995dade0cae2b7b6fe7f936b8b", kill_on_drop: false }`
[INFO] [stdout] 41e3c702fcad8a527e7ca8b41a7a0e179dec2b995dade0cae2b7b6fe7f936b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d768f9cf979496bb2b8eeb3f23bfd2729c8adb59c585e913c9cff189736a99f
[INFO] running `Command { std: "docker" "start" "-a" "7d768f9cf979496bb2b8eeb3f23bfd2729c8adb59c585e913c9cff189736a99f", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `person` should have an upper camel case name
[INFO] [stdout]  --> closures.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct person{
[INFO] [stdout]   |        ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `silver` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     silver,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Silver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `blue` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     blue,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     red,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `black` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     black,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `white` should have an upper camel case name
[INFO] [stdout]  --> mystructs.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     white,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `White`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]   --> mystructs.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     green
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cat` should have an upper camel case name
[INFO] [stdout]   --> test_traits.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct cat {}
[INFO] [stdout]    |        ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `tiger` should have an upper camel case name
[INFO] [stdout]   --> test_traits.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct tiger {}
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper camel case: `Tiger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Sub`
[INFO] [stdout]  --> mydatetime.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{ops::Sub, time::{Duration,Instant}};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::spawn`
[INFO] [stdout]  --> myscopedthread.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread::spawn;     
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spawn`
[INFO] [stdout]  --> mymutex.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::{spawn,scope, sleep};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::myargs`
[INFO] [stdout]  --> myargs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::myargs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `opt1` is never read
[INFO] [stdout]  --> optiontest.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut opt1: Option<u8>= None;
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `opt1` is never read
[INFO] [stdout]  --> optiontest.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | let mut opt1:Option<String> = None;
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `chartype` is never read
[INFO] [stdout]   --> optiontest.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut  chartype:Option<CharaterType> = None;
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet1`
[INFO] [stdout]   --> test_traits.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let pet1 = Dog{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet3`
[INFO] [stdout]   --> test_traits.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let pet3 = Bear{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pet4`
[INFO] [stdout]   --> test_traits.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let pet4 = tiger{};
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `all_foods`
[INFO] [stdout]   --> myiters.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let all_foods:Vec<&&str> = aggregate_foods.clone().collect();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_foods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_item`
[INFO] [stdout]   --> myiters.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let last_item = new_fruits.clone().last();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> myiters.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut fruit_list_strings = fruit_list.iter().map(|e| String::from(*e) );
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> mymutex.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut score = Mutex::new(0u128);
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> myargs.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut myargs:Vec<String>=    args().collect();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `driver_license`
[INFO] [stdout]    --> main.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let driver_license = false;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_driver_license`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drivers_license`
[INFO] [stdout]    --> main.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let drivers_license = if age>=16 {true} else {false};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drivers_license`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_name` is never read
[INFO] [stdout]  --> closures.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct person{
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 2 |     first_name:String,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `manufacturer`, `model`, and `year` are never read
[INFO] [stdout]   --> mystructs.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Vehicle {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 22 |     manufacturer: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 23 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 24 |     year: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vehicle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_vehical` is never used
[INFO] [stdout]   --> mystructs.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn new_vehical()-> Vehicle {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `first_name` is never read
[INFO] [stdout]  --> test_traits.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person<PetType: Animal> {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 2 |     first_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> mymutex.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         s.spawn(myfunc2).join(); 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let _ = s.spawn(myfunc2).join(); 
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> mymutex.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         s.spawn(myfunc).join(); // thread one is working on mutex
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = s.spawn(myfunc).join(); // thread one is working on mutex
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> mympsc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rx.recv_timeout(Duration::from_millis(300));
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let _ = rx.recv_timeout(Duration::from_millis(300));
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> mympsc.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 |    std::thread::spawn(processor_code).join();
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |    let _ = std::thread::spawn(processor_code).join();
[INFO] [stdout]    |    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "7d768f9cf979496bb2b8eeb3f23bfd2729c8adb59c585e913c9cff189736a99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d768f9cf979496bb2b8eeb3f23bfd2729c8adb59c585e913c9cff189736a99f", kill_on_drop: false }`
[INFO] [stdout] 7d768f9cf979496bb2b8eeb3f23bfd2729c8adb59c585e913c9cff189736a99f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8ad1992b21203381742b3ed621c7dcece74ec266afb4d4314324e0b893ea685
[INFO] running `Command { std: "docker" "start" "-a" "a8ad1992b21203381742b3ed621c7dcece74ec266afb4d4314324e0b893ea685", kill_on_drop: false }`
[INFO] [stderr] warning: type `person` should have an upper camel case name
[INFO] [stderr]  --> closures.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct person{
[INFO] [stderr]   |        ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `silver` should have an upper camel case name
[INFO] [stderr]  --> mystructs.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     silver,
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Silver`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `blue` should have an upper camel case name
[INFO] [stderr]  --> mystructs.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     blue,
[INFO] [stderr]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `red` should have an upper camel case name
[INFO] [stderr]  --> mystructs.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     red,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `black` should have an upper camel case name
[INFO] [stderr]  --> mystructs.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     black,
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to upper camel case: `Black`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `white` should have an upper camel case name
[INFO] [stderr]  --> mystructs.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     white,
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `White`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `green` should have an upper camel case name
[INFO] [stderr]   --> mystructs.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     green
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stderr] 
[INFO] [stderr] warning: type `cat` should have an upper camel case name
[INFO] [stderr]   --> test_traits.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct cat {}
[INFO] [stderr]    |        ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat`
[INFO] [stderr] 
[INFO] [stderr] warning: type `tiger` should have an upper camel case name
[INFO] [stderr]   --> test_traits.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct tiger {}
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper camel case: `Tiger`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::Sub`
[INFO] [stderr]  --> mydatetime.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{ops::Sub, time::{Duration,Instant}};
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::spawn`
[INFO] [stderr]  --> myscopedthread.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread::spawn;     
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `spawn`
[INFO] [stderr]  --> mymutex.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread::{spawn,scope, sleep};
[INFO] [stderr]   |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::myargs`
[INFO] [stderr]  --> myargs.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::myargs;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `opt1` is never read
[INFO] [stderr]  --> optiontest.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut opt1: Option<u8>= None;
[INFO] [stderr]   |             ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `opt1` is never read
[INFO] [stderr]  --> optiontest.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 | let mut opt1:Option<String> = None;
[INFO] [stderr]   |         ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `chartype` is never read
[INFO] [stderr]   --> optiontest.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut  chartype:Option<CharaterType> = None;
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pet1`
[INFO] [stderr]   --> test_traits.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let pet1 = Dog{};
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pet3`
[INFO] [stderr]   --> test_traits.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let pet3 = Bear{};
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pet4`
[INFO] [stderr]   --> test_traits.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let pet4 = tiger{};
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pet4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all_foods`
[INFO] [stderr]   --> myiters.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let all_foods:Vec<&&str> = aggregate_foods.clone().collect();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_all_foods`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `last_item`
[INFO] [stderr]   --> myiters.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let last_item = new_fruits.clone().last();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_item`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> myiters.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut fruit_list_strings = fruit_list.iter().map(|e| String::from(*e) );
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> mymutex.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut score = Mutex::new(0u128);
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> myargs.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut myargs:Vec<String>=    args().collect();
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `driver_license`
[INFO] [stderr]    --> main.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let driver_license = false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_driver_license`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `drivers_license`
[INFO] [stderr]    --> main.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |     let drivers_license = if age>=16 {true} else {false};
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drivers_license`
[INFO] [stderr] 
[INFO] [stderr] warning: field `first_name` is never read
[INFO] [stderr]  --> closures.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct person{
[INFO] [stderr]   |        ------ field in this struct
[INFO] [stderr] 2 |     first_name:String,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `manufacturer`, `model`, and `year` are never read
[INFO] [stderr]   --> mystructs.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct Vehicle {
[INFO] [stderr]    |        ------- fields in this struct
[INFO] [stderr] 22 |     manufacturer: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 23 |     model: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 24 |     year: u16,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Vehicle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `new_vehical` is never used
[INFO] [stderr]   --> mystructs.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn new_vehical()-> Vehicle {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `first_name` is never read
[INFO] [stderr]  --> test_traits.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Person<PetType: Animal> {
[INFO] [stderr]   |        ------ field in this struct
[INFO] [stderr] 2 |     first_name: String,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> mymutex.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         s.spawn(myfunc2).join(); 
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let _ = s.spawn(myfunc2).join(); 
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> mymutex.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         s.spawn(myfunc).join(); // thread one is working on mutex
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let _ = s.spawn(myfunc).join(); // thread one is working on mutex
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]  --> mympsc.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rx.recv_timeout(Duration::from_millis(300));
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let _ = rx.recv_timeout(Duration::from_millis(300));
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> mympsc.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 |    std::thread::spawn(processor_code).join();
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 46 |    let _ = std::thread::spawn(processor_code).join();
[INFO] [stderr]    |    +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `embedded_rust` (bin "embedded_rust" test) generated 34 warnings (run `cargo fix --bin "embedded_rust" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests main.rs (/opt/rustwide/target/debug/deps/embedded_rust-ffe0db7e5aa1a17a)
[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" "a8ad1992b21203381742b3ed621c7dcece74ec266afb4d4314324e0b893ea685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ad1992b21203381742b3ed621c7dcece74ec266afb4d4314324e0b893ea685", kill_on_drop: false }`
[INFO] [stdout] a8ad1992b21203381742b3ed621c7dcece74ec266afb4d4314324e0b893ea685
