[INFO] cloning repository https://github.com/bhuvaneshwarikanagaraj/rust_learnings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bhuvaneshwarikanagaraj/rust_learnings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhuvaneshwarikanagaraj%2Frust_learnings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhuvaneshwarikanagaraj%2Frust_learnings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c19646f33fe436fa0b7eb6e25328afba1420e8fe
[INFO] checking bhuvaneshwarikanagaraj/rust_learnings against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhuvaneshwarikanagaraj%2Frust_learnings" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bhuvaneshwarikanagaraj/rust_learnings
[INFO] finished tweaking git repo https://github.com/bhuvaneshwarikanagaraj/rust_learnings
[INFO] tweaked toml for git repo https://github.com/bhuvaneshwarikanagaraj/rust_learnings written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bhuvaneshwarikanagaraj/rust_learnings on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bhuvaneshwarikanagaraj/rust_learnings 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1a1d387752cffccd1e909997f13eeb33a9ea385116ea7c524e6dd619e710391
[INFO] running `Command { std: "docker" "start" "-a" "d1a1d387752cffccd1e909997f13eeb33a9ea385116ea7c524e6dd619e710391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1a1d387752cffccd1e909997f13eeb33a9ea385116ea7c524e6dd619e710391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a1d387752cffccd1e909997f13eeb33a9ea385116ea7c524e6dd619e710391", kill_on_drop: false }`
[INFO] [stdout] d1a1d387752cffccd1e909997f13eeb33a9ea385116ea7c524e6dd619e710391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc6e2b73514df4b606481fbbe1c130464c53900f95963e0dd15e86ba70e2c2ee
[INFO] running `Command { std: "docker" "start" "-a" "bc6e2b73514df4b606481fbbe1c130464c53900f95963e0dd15e86ba70e2c2ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rustLearnings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]  --> src/bin/a13ForLoop.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |    let mut index:i32=0;
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[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/bin/a13ForLoop.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |    let mut index:i32=0;
[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: unused variable: `index`
[INFO] [stdout]  --> src/bin/a13ForLoop.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |    let mut index:i32=0;
[INFO] [stdout]   |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[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/bin/a13ForLoop.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |    let mut index:i32=0;
[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: type `enum_name` should have an upper camel case name
[INFO] [stdout]  --> src/bin/17enumIntro.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum enum_name{
[INFO] [stdout]   |      ^^^^^^^^^ help: convert the identifier to upper camel case: `EnumName`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `variance2` should have an upper camel case name
[INFO] [stdout]  --> src/bin/17enumIntro.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     variance2,
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Variance2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `variance4` should have an upper camel case name
[INFO] [stdout]  --> src/bin/17enumIntro.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     variance4
[INFO] [stdout]   |     ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Variance4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/bin/a14function2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `my_box` should have an upper camel case name
[INFO] [stdout]  --> src/bin/19struct.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct my_box{
[INFO] [stdout]   |        ^^^^^^ help: convert the identifier to upper camel case: `MyBox`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `depth` and `width` are never read
[INFO] [stdout]  --> src/bin/19struct.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct my_box{
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 2 |
[INFO] [stdout] 3 |     depth:i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     height:i32,
[INFO] [stdout] 5 |     width:i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Box` should have a snake case name
[INFO] [stdout]   --> src/bin/19struct.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let Box = my_box{
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier
[INFO] [stdout]    |
[INFO] [stdout] 11 -     let Box = my_box{
[INFO] [stdout] 11 +     let r#box = my_box{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]  --> src/bin/a15tuples.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |    let (v1,v2,v3)=hello;
[INFO] [stdout]   |            ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v3`
[INFO] [stdout]  --> src/bin/a15tuples.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |    let (v1,v2,v3)=hello;
[INFO] [stdout]   |               ^^ help: if this is intentional, prefix it with an underscore: `_v3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/17enumIntro.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |        _ => println!("Its other variance"),
[INFO] [stdout]    |        ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/bin/17enumIntro.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |        enum_name::Variance1 =>println!("one1"),
[INFO] [stdout]    |        -------------------- matches some of the same values
[INFO] [stdout] 23 |        enum_name::Variance3 =>println!("three3"),
[INFO] [stdout]    |        -------------------- matches some of the same values
[INFO] [stdout] 24 |        enum_name::variance4 =>println!("four4"),
[INFO] [stdout]    |        -------------------- matches some of the same values
[INFO] [stdout] 25 |        enum_name::variance2 =>println!("two2"),
[INFO] [stdout]    |        -------------------- matches some of the same values
[INFO] [stdout] 26 |        _ => println!("Its other variance"),
[INFO] [stdout]    |        ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str1`
[INFO] [stdout]  --> src/bin/a15trings.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut str1:String=String::new();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_str1`
[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/bin/a15trings.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut str1:String=String::new();
[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: variants `Variance1`, `Variance3`, and `variance4` are never constructed
[INFO] [stdout]  --> src/bin/17enumIntro.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum enum_name{
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 5 |
[INFO] [stdout] 6 |     Variance1,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 7 |     variance2,
[INFO] [stdout] 8 |     Variance3,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 9 |     variance4
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdin`
[INFO] [stdout]  --> src/bin/a2datatypes1.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{stdin, self};
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PI` is never used
[INFO] [stdout]  --> src/bin/a2datatypes1.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     const PI:f32 =3.1412;
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `$`
[INFO] [stdout]  --> src/bin/25scopeofVariable.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |   crate::io::_print($crate::format_args_nl!("{}",type_of(&n)));
[INFO] [stdout]   |                     ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `colors` should have an upper camel case name
[INFO] [stdout]  --> src/bin/18enums2.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum colors{
[INFO] [stdout]   |      ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Colors`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]  --> src/bin/18enums2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     red,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `yellow` should have an upper camel case name
[INFO] [stdout]  --> src/bin/18enums2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     yellow,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Yellow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]  --> src/bin/18enums2.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     green,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `blue` should have an upper camel case name
[INFO] [stdout]  --> src/bin/18enums2.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     blue
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str1`
[INFO] [stdout]  --> src/bin/a15trings.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut str1:String=String::new();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_str1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `colors` should have an upper camel case name
[INFO] [stdout]  --> src/bin/18enums2.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum colors{
[INFO] [stdout]   |      ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Colors`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/18enums2.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         _ =>println!("Other colour"),  
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/bin/18enums2.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         colors::blue=>println!("Its Blue colour"),
[INFO] [stdout]    |         ------------ matches some of the same values
[INFO] [stdout] 13 |         colors::green=>println!("Its green colour"),
[INFO] [stdout]    |         ------------- matches some of the same values
[INFO] [stdout] 14 |         colors::yellow=>println!("Its yellow colour"), 
[INFO] [stdout]    |         -------------- matches some of the same values
[INFO] [stdout] 15 |         colors::red=>println!("Its red Colour"),
[INFO] [stdout]    |         ----------- matches some of the same values
[INFO] [stdout] 16 |         _ =>println!("Other colour"),  
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/a15trings.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut str1:String=String::new();
[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: variants `yellow`, `green`, and `blue` are never constructed
[INFO] [stdout]  --> src/bin/18enums2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum colors{
[INFO] [stdout]   |      ------ variants in this enum
[INFO] [stdout] 2 |     red,
[INFO] [stdout] 3 |     yellow,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     blue
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]  --> src/bin/18enums2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     red,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `yellow` should have an upper camel case name
[INFO] [stdout]  --> src/bin/18enums2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     yellow,
[INFO] [stdout]   |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Yellow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]  --> src/bin/18enums2.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     green,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `blue` should have an upper camel case name
[INFO] [stdout]  --> src/bin/18enums2.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     blue
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustLearnings` (bin "25scopeofVariable" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/18enums2.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         _ =>println!("Other colour"),  
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/bin/18enums2.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         colors::blue=>println!("Its Blue colour"),
[INFO] [stdout]    |         ------------ matches some of the same values
[INFO] [stdout] 13 |         colors::green=>println!("Its green colour"),
[INFO] [stdout]    |         ------------- matches some of the same values
[INFO] [stdout] 14 |         colors::yellow=>println!("Its yellow colour"), 
[INFO] [stdout]    |         -------------- matches some of the same values
[INFO] [stdout] 15 |         colors::red=>println!("Its red Colour"),
[INFO] [stdout]    |         ----------- matches some of the same values
[INFO] [stdout] 16 |         _ =>println!("Other colour"),  
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `rnum` in this scope
[INFO] [stdout]  --> src/bin/a6randomNumber.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | let _rnum:u32 = rand::thread_rng().gen_range(1..100);
[INFO] [stdout]   |     ----- `_rnum` defined here
[INFO] [stdout] 4 | println!("rnum : {}",rnum);
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: the leading underscore in `_rnum` marks it as unused, consider renaming it to `rnum`
[INFO] [stdout]   |
[INFO] [stdout] 3 - let _rnum:u32 = rand::thread_rng().gen_range(1..100);
[INFO] [stdout] 3 + let rnum:u32 = rand::thread_rng().gen_range(1..100);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `yellow`, `green`, and `blue` are never constructed
[INFO] [stdout]  --> src/bin/18enums2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum colors{
[INFO] [stdout]   |      ------ variants in this enum
[INFO] [stdout] 2 |     red,
[INFO] [stdout] 3 |     yellow,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     blue
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/bin/23dataraces.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 28 | fn main() {
[INFO] [stdout]    | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/rustLearnings-7e712ebb380303fb/test-bin-a10matchStatements2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/26sumofnumbers-5af7ce7c0cc30e8f.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rustLearnings-5af7ce7c0cc30e8f/dep-bin-26sumofnumbers`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/a11array1-aa125737cbd56e3e.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rustLearnings-aa125737cbd56e3e/dep-test-bin-a11array1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/a13functions-53e1333500aa6603.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rustLearnings-53e1333500aa6603/dep-test-bin-a13functions`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] error[E0599]: no method named `gen_range` found for struct `ThreadRng` in the current scope
[INFO] [stdout]    --> src/bin/a6randomNumber.rs:3:36
[INFO] [stdout]     |
[INFO] [stdout] 3   | let _rnum:u32 = rand::thread_rng().gen_range(1..100);
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rng.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn gen_range<T, R>(&mut self, range: R) -> T
[INFO] [stdout]     |        --------- the method is available for `ThreadRng` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `gen_ratio` with a similar name, but with different arguments
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.5/src/rng.rs:299:5
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn gen_ratio(&mut self, numerator: u32, denominator: u32) -> bool {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: trait `Rng` which provides `gen_range` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 2   + use rand::Rng;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetajI5Uz2"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/18enums2-7e9ff64c1b29e0b9.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rustLearnings-7e9ff64c1b29e0b9/dep-test-bin-18enums2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]  --> src/bin/a15tuples.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |    let (v1,v2,v3)=hello;
[INFO] [stdout]   |            ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustLearnings` (bin "a16MoreOnMatch" test) due to 1 previous error
[INFO] [stderr] error: could not compile `rustLearnings` (bin "a6randomNumber") due to 2 previous errors
[INFO] [stderr] error: could not compile `rustLearnings` (bin "23dataraces" test) due to 1 previous error
[INFO] [stderr] error: could not compile `rustLearnings` (bin "a15tuples"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/32cd9114712a24010b0583624dc52ac302194128/bin/rustc --crate-name a15tuples --edition=2021 src/bin/a15tuples.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=6220b943ad7c8f5e -C extra-filename=-61ca4d7559d3e5b0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-b5ee99211087a166.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bc6e2b73514df4b606481fbbe1c130464c53900f95963e0dd15e86ba70e2c2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6e2b73514df4b606481fbbe1c130464c53900f95963e0dd15e86ba70e2c2ee", kill_on_drop: false }`
[INFO] [stdout] bc6e2b73514df4b606481fbbe1c130464c53900f95963e0dd15e86ba70e2c2ee
