[INFO] cloning 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" "clone" "--bare" "https://github.com/arjunbiyani/expo_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjunbiyani%2Fexpo_rust", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a7eaf5a4447d79c3f2527670fa8a9cf6b5edb98
[INFO] checking arjunbiyani/expo_rust against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjunbiyani%2Fexpo_rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arjunbiyani/expo_rust on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/arjunbiyani/expo_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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06c954daebad1d60d1172eb962400d2ae498386967cfc7838c7cca90e6d44d3a
[INFO] running `Command { std: "docker" "start" "-a" "06c954daebad1d60d1172eb962400d2ae498386967cfc7838c7cca90e6d44d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06c954daebad1d60d1172eb962400d2ae498386967cfc7838c7cca90e6d44d3a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.0.4
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[INFO] [stderr]    Compiling thread_local v0.3.6
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[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling diesel v0.16.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking 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]     Checking diesel v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.47
[INFO] [stderr]    Compiling diesel_codegen v0.16.1
[INFO] [stderr]     Checking 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: struct `Product` is never constructed
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `location` is never constructed
[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 items `new`, `render_fullname`, and `change_product_name` are never used
[INFO] [stdout]   --> src/rust_basics/structs.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Product {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     // Constructor 
[INFO] [stdout] 13 |     fn new(id:i32,p_name: &str,price:i32) -> Product{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn render_fullname(&self) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn change_product_name(&mut self, pname: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[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 `run` is never used
[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 `run` is never used
[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 `run` is never used
[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: 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.07s
[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)]` (part of `#[warn(unused)]`) 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: struct `Product` is never constructed
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `location` is never constructed
[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 items `new`, `render_fullname`, and `change_product_name` are never used
[INFO] [stdout]   --> src/rust_basics/structs.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Product {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     // Constructor 
[INFO] [stdout] 13 |     fn new(id:i32,p_name: &str,price:i32) -> Product{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn render_fullname(&self) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn change_product_name(&mut self, pname: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[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 `run` is never used
[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 `run` is never used
[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 `run` is never used
[INFO] [stdout]  --> src/rust_basics/tuples.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run()
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ff65a1d05878957677edd6ee85df8a2b109750a587ae4a3ac8a4d7daba70f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff65a1d05878957677edd6ee85df8a2b109750a587ae4a3ac8a4d7daba70f0f", kill_on_drop: false }`
[INFO] [stdout] 2ff65a1d05878957677edd6ee85df8a2b109750a587ae4a3ac8a4d7daba70f0f
