[INFO] cloning repository https://github.com/obynonwane/rust_refresher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obynonwane/rust_refresher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobynonwane%2Frust_refresher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobynonwane%2Frust_refresher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d88d533587e22e41d37007a9403a4653b5baf4b
[INFO] checking obynonwane/rust_refresher against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobynonwane%2Frust_refresher" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/obynonwane/rust_refresher
[INFO] finished tweaking git repo https://github.com/obynonwane/rust_refresher
[INFO] tweaked toml for git repo https://github.com/obynonwane/rust_refresher written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obynonwane/rust_refresher on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/obynonwane/rust_refresher 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_roundup` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../rust_roundup
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rust-roundup`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "rust_roundup"
[INFO] [stderr] 5 + name = "rust-roundup"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `rust-roundup`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "rust-roundup"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `rust_roundup` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4a6829aad10a4f4c746362eb97dea8b3186bf86a17c480b445fe21a633fe5536
[INFO] running `Command { std: "docker" "start" "4a6829aad10a4f4c746362eb97dea8b3186bf86a17c480b445fe21a633fe5536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a6829aad10a4f4c746362eb97dea8b3186bf86a17c480b445fe21a633fe5536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4a6829aad10a4f4c746362eb97dea8b3186bf86a17c480b445fe21a633fe5536" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a6829aad10a4f4c746362eb97dea8b3186bf86a17c480b445fe21a633fe5536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4a6829aad10a4f4c746362eb97dea8b3186bf86a17c480b445fe21a633fe5536" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_roundup` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../rust_roundup
[INFO] [stderr]   |                          ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rust-roundup`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "rust_roundup"
[INFO] [stderr] 5 + name = "rust-roundup"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `rust-roundup`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "rust-roundup"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `rust_roundup` (manifest) generated 1 warning
[INFO] [stderr]     Checking rust_roundup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `catchType` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:147:6
[INFO] [stdout]     |
[INFO] [stdout] 147 | enum catchType {
[INFO] [stdout]     |      ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `CatchType`
[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: type `catchType` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:147:6
[INFO] [stdout]     |
[INFO] [stdout] 147 | enum catchType {
[INFO] [stdout]     |      ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `CatchType`
[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 variable: `y`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let y: [f64; 3] = [67.0, 8.9, 45.0];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let y: [f64; 3] = [67.0, 8.9, 45.0];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lru`
[INFO] [stdout]    --> src/main.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let lru = catchType::LRU;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `LRU`
[INFO] [stdout]     |
[INFO] [stdout] 170 -     let lru = catchType::LRU;
[INFO] [stdout] 170 +     let catchType::LRU = catchType::LRU;
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let _lru = catchType::LRU;
[INFO] [stdout]     |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mru`
[INFO] [stdout]    --> src/main.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mru = catchType::MRU;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `MRU`
[INFO] [stdout]     |
[INFO] [stdout] 171 -     let mru = catchType::MRU;
[INFO] [stdout] 171 +     let catchType::MRU = catchType::MRU;
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let _mru = catchType::MRU;
[INFO] [stdout]     |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `assigned_id` and `active` are never read
[INFO] [stdout]    --> src/main.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct Employee {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 113 |     name: String,
[INFO] [stdout] 114 |     assigned_id: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 115 |     email: String,
[INFO] [stdout] 116 |     active: bool,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `catchType` is never used
[INFO] [stdout]    --> src/main.rs:147:6
[INFO] [stdout]     |
[INFO] [stdout] 147 | enum catchType {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]    --> src/main.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | struct Cache {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StatusCode` is never used
[INFO] [stdout]    --> src/main.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 | enum StatusCode {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CacheStrategy` is never used
[INFO] [stdout]    --> src/main.rs:165:6
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum CacheStrategy {
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enums` is never used
[INFO] [stdout]    --> src/main.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn enums() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NFT`, `Game`, and `Metaverse` are never constructed
[INFO] [stdout]    --> src/main.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | enum Web3 {
[INFO] [stdout]     |      ---- variants in this enum
[INFO] [stdout] 188 |     Defi,
[INFO] [stdout] 189 |     NFT,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 190 |     Game,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 191 |     Metaverse,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `cacheType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     cacheType: catchType,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to snake case: `cache_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lru`
[INFO] [stdout]    --> src/main.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let lru = catchType::LRU;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `LRU`
[INFO] [stdout]     |
[INFO] [stdout] 170 -     let lru = catchType::LRU;
[INFO] [stdout] 170 +     let catchType::LRU = catchType::LRU;
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let _lru = catchType::LRU;
[INFO] [stdout]     |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mru`
[INFO] [stdout]    --> src/main.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mru = catchType::MRU;
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `MRU`
[INFO] [stdout]     |
[INFO] [stdout] 171 -     let mru = catchType::MRU;
[INFO] [stdout] 171 +     let catchType::MRU = catchType::MRU;
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let _mru = catchType::MRU;
[INFO] [stdout]     |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `assigned_id` and `active` are never read
[INFO] [stdout]    --> src/main.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct Employee {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 113 |     name: String,
[INFO] [stdout] 114 |     assigned_id: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 115 |     email: String,
[INFO] [stdout] 116 |     active: bool,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `catchType` is never used
[INFO] [stdout]    --> src/main.rs:147:6
[INFO] [stdout]     |
[INFO] [stdout] 147 | enum catchType {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cache` is never constructed
[INFO] [stdout]    --> src/main.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | struct Cache {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StatusCode` is never used
[INFO] [stdout]    --> src/main.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 | enum StatusCode {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CacheStrategy` is never used
[INFO] [stdout]    --> src/main.rs:165:6
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum CacheStrategy {
[INFO] [stdout]     |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enums` is never used
[INFO] [stdout]    --> src/main.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn enums() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NFT`, `Game`, and `Metaverse` are never constructed
[INFO] [stdout]    --> src/main.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | enum Web3 {
[INFO] [stdout]     |      ---- variants in this enum
[INFO] [stdout] 188 |     Defi,
[INFO] [stdout] 189 |     NFT,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 190 |     Game,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 191 |     Metaverse,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `cacheType` should have a snake case name
[INFO] [stdout]    --> src/main.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     cacheType: catchType,
[INFO] [stdout]     |     ^^^^^^^^^ help: convert the identifier to snake case: `cache_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "4a6829aad10a4f4c746362eb97dea8b3186bf86a17c480b445fe21a633fe5536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6829aad10a4f4c746362eb97dea8b3186bf86a17c480b445fe21a633fe5536", kill_on_drop: false }`
[INFO] [stdout] 4a6829aad10a4f4c746362eb97dea8b3186bf86a17c480b445fe21a633fe5536
