[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(&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