[INFO] updating cached repository https://github.com/arjunbiyani/expo_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a7eaf5a4447d79c3f2527670fa8a9cf6b5edb98
[INFO] testing arjunbiyani/expo_rust against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjunbiyani%2Fexpo_rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arjunbiyani/expo_rust on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arjunbiyani/expo_rust
[INFO] finished tweaking git repo https://github.com/arjunbiyani/expo_rust
[INFO] tweaked toml for git repo https://github.com/arjunbiyani/expo_rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/arjunbiyani/expo_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96e328d9f176ec9a63b5196d7934a03c223c522735696c0a5b0793aa7dff3057
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96e328d9f176ec9a63b5196d7934a03c223c522735696c0a5b0793aa7dff3057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96e328d9f176ec9a63b5196d7934a03c223c522735696c0a5b0793aa7dff3057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e328d9f176ec9a63b5196d7934a03c223c522735696c0a5b0793aa7dff3057", kill_on_drop: false }`
[INFO] [stdout] 96e328d9f176ec9a63b5196d7934a03c223c522735696c0a5b0793aa7dff3057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8798de5fb17d449533e54edbf90115855fac688b2394640688a27c597d598443
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8798de5fb17d449533e54edbf90115855fac688b2394640688a27c597d598443", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ucd-util v0.1.7
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling diesel v0.16.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling dotenv v0.9.0
[INFO] [stderr]    Compiling diesel_infer_schema v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling diesel v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.47
[INFO] [stderr]    Compiling diesel_codegen v0.16.1
[INFO] [stderr]    Compiling expo_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `location` should have an upper camel case name
[INFO] [stdout]  --> src/rust_basics/structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct location(i32,String,i32);
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to upper camel case: `Location`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/rust_basics/test.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let a ="Arjun";
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/rust_basics/test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let b="Biyani";
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust_basics/structs.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut l = location(1,String::from("Bangalore"),3);
[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: struct is never constructed: `Product`
[INFO] [stdout]  --> src/rust_basics/structs.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Product {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `location`
[INFO] [stdout]  --> src/rust_basics/structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct location(i32,String,i32);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rust_basics/structs.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(id:i32,p_name: &str,price:i32) -> Product{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_fullname`
[INFO] [stdout]   --> src/rust_basics/structs.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn render_fullname(&self) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_product_name`
[INFO] [stdout]   --> src/rust_basics/structs.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn change_product_name(&mut self, pname: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/rust_basics/structs.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/rust_basics/vars.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run()
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/rust_basics/strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run()
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/rust_basics/tuples.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run()
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "8798de5fb17d449533e54edbf90115855fac688b2394640688a27c597d598443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8798de5fb17d449533e54edbf90115855fac688b2394640688a27c597d598443", kill_on_drop: false }`
[INFO] [stdout] 8798de5fb17d449533e54edbf90115855fac688b2394640688a27c597d598443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea2a365fb40f1094c2f959e87466f13603386dc1a015fa16e198be25d66f4d67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea2a365fb40f1094c2f959e87466f13603386dc1a015fa16e198be25d66f4d67", kill_on_drop: false }`
[INFO] [stderr]    Compiling expo_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `location` should have an upper camel case name
[INFO] [stdout]  --> src/rust_basics/structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct location(i32,String,i32);
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to upper camel case: `Location`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/rust_basics/test.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let a ="Arjun";
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> src/rust_basics/test.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let b="Biyani";
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust_basics/structs.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut l = location(1,String::from("Bangalore"),3);
[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: struct is never constructed: `Product`
[INFO] [stdout]  --> src/rust_basics/structs.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Product {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `location`
[INFO] [stdout]  --> src/rust_basics/structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct location(i32,String,i32);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rust_basics/structs.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(id:i32,p_name: &str,price:i32) -> Product{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render_fullname`
[INFO] [stdout]   --> src/rust_basics/structs.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn render_fullname(&self) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `change_product_name`
[INFO] [stdout]   --> src/rust_basics/structs.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn change_product_name(&mut self, pname: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/rust_basics/structs.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/rust_basics/vars.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run()
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/rust_basics/strings.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run()
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/rust_basics/tuples.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run()
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "ea2a365fb40f1094c2f959e87466f13603386dc1a015fa16e198be25d66f4d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2a365fb40f1094c2f959e87466f13603386dc1a015fa16e198be25d66f4d67", kill_on_drop: false }`
[INFO] [stdout] ea2a365fb40f1094c2f959e87466f13603386dc1a015fa16e198be25d66f4d67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2c5b3afb3f908efabb78aabeab942c3d9f9b02da38053ee4201139eabc51774
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f2c5b3afb3f908efabb78aabeab942c3d9f9b02da38053ee4201139eabc51774", kill_on_drop: false }`
[INFO] [stderr] warning: type `location` should have an upper camel case name
[INFO] [stderr]  --> src/rust_basics/structs.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct location(i32,String,i32);
[INFO] [stderr]   |        ^^^^^^^^ help: convert the identifier to upper camel case: `Location`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]  --> src/rust_basics/test.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let a ="Arjun";
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]  --> src/rust_basics/test.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let b="Biyani";
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust_basics/structs.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let mut l = location(1,String::from("Bangalore"),3);
[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: struct is never constructed: `Product`
[INFO] [stderr]  --> src/rust_basics/structs.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Product {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `location`
[INFO] [stderr]  --> src/rust_basics/structs.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct location(i32,String,i32);
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/rust_basics/structs.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn new(id:i32,p_name: &str,price:i32) -> Product{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `render_fullname`
[INFO] [stderr]   --> src/rust_basics/structs.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn render_fullname(&self) -> String{
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `change_product_name`
[INFO] [stderr]   --> src/rust_basics/structs.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn change_product_name(&mut self, pname: &str) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/rust_basics/structs.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn run(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/rust_basics/vars.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run()
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/rust_basics/strings.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run()
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/rust_basics/tuples.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run()
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/expo_rust-da89e06139a7c135
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/expo_rust-7ccaf1d1c1f9bb1c
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests expo_rust
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2c5b3afb3f908efabb78aabeab942c3d9f9b02da38053ee4201139eabc51774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c5b3afb3f908efabb78aabeab942c3d9f9b02da38053ee4201139eabc51774", kill_on_drop: false }`
[INFO] [stdout] f2c5b3afb3f908efabb78aabeab942c3d9f9b02da38053ee4201139eabc51774