[INFO] cloning repository https://github.com/Rust-Coding/01_basic_fundamentals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rust-Coding/01_basic_fundamentals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Coding%2F01_basic_fundamentals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Coding%2F01_basic_fundamentals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6b6f69e5a138f87be969dab998d294614dc54d3
[INFO] checking Rust-Coding/01_basic_fundamentals against master#6b6610b8bd5112bbb3bd2b73a97250cb06979505 for pr-102713
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Coding%2F01_basic_fundamentals" "/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/Rust-Coding/01_basic_fundamentals on toolchain 6b6610b8bd5112bbb3bd2b73a97250cb06979505
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rust-Coding/01_basic_fundamentals
[INFO] finished tweaking git repo https://github.com/Rust-Coding/01_basic_fundamentals
[INFO] tweaked toml for git repo https://github.com/Rust-Coding/01_basic_fundamentals written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Rust-Coding/01_basic_fundamentals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "fetch" "--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" "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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d03b63cc0389b770794abde8c9dda043c37748a3b19a421d98558db7b97b8db
[INFO] running `Command { std: "docker" "start" "-a" "5d03b63cc0389b770794abde8c9dda043c37748a3b19a421d98558db7b97b8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d03b63cc0389b770794abde8c9dda043c37748a3b19a421d98558db7b97b8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d03b63cc0389b770794abde8c9dda043c37748a3b19a421d98558db7b97b8db", kill_on_drop: false }`
[INFO] [stdout] 5d03b63cc0389b770794abde8c9dda043c37748a3b19a421d98558db7b97b8db
[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" "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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce059b67f317b1b29f92cc75cc1cd7cc2a55f3e4f246dfca0f969a705ef44c20
[INFO] running `Command { std: "docker" "start" "-a" "ce059b67f317b1b29f92cc75cc1cd7cc2a55f3e4f246dfca0f969a705ef44c20", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking basic_fundamentals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `red`
[INFO] [stdout]   --> src/structs_enums.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 |   let red = Color(255, 0, 0);
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_red`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `red`
[INFO] [stdout]   --> src/structs_enums.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 |   let red = Color(255, 0, 0);
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_red`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_type`
[INFO] [stdout]   --> src/structs_enums.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 |   let user_type = UserRoles::Admin;
[INFO] [stdout]    |       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user_type`
[INFO] [stdout]   --> src/structs_enums.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 |   let user_type = UserRoles::Admin;
[INFO] [stdout]    |       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_user_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/structs_enums.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 |   let message = Message::SayHello(String::from("Hello"));
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/structs_enums.rs:65:7
[INFO] [stdout]    |
[INFO] [stdout] 65 |   let message = Message::SayHello(String::from("Hello"));
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email`, `active` and `country` are never read
[INFO] [stdout]  --> src/structs_enums.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 4 |   username: String,
[INFO] [stdout] 5 |   email   : String,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 6 |   age     : i16,
[INFO] [stdout] 7 |   active  : bool,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 8 |   country : String,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `email`, `active` and `country` are never read
[INFO] [stdout]  --> src/structs_enums.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 4 |   username: String,
[INFO] [stdout] 5 |   email   : String,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 6 |   age     : i16,
[INFO] [stdout] 7 |   active  : bool,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 8 |   country : String,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Moderator` and `User` are never constructed
[INFO] [stdout]   --> src/structs_enums.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |   enum UserRoles {
[INFO] [stdout]    |        --------- variants in this enum
[INFO] [stdout] 52 |     Admin,
[INFO] [stdout] 53 |     Moderator,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 54 |     User,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Quit` is never constructed
[INFO] [stdout]   --> src/structs_enums.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |   enum Message {
[INFO] [stdout]    |        ------- variant in this enum
[INFO] [stdout] 61 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Moderator` and `User` are never constructed
[INFO] [stdout]   --> src/structs_enums.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |   enum UserRoles {
[INFO] [stdout]    |        --------- variants in this enum
[INFO] [stdout] 52 |     Admin,
[INFO] [stdout] 53 |     Moderator,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 54 |     User,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Quit` is never constructed
[INFO] [stdout]   --> src/structs_enums.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |   enum Message {
[INFO] [stdout]    |        ------- variant in this enum
[INFO] [stdout] 61 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "ce059b67f317b1b29f92cc75cc1cd7cc2a55f3e4f246dfca0f969a705ef44c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce059b67f317b1b29f92cc75cc1cd7cc2a55f3e4f246dfca0f969a705ef44c20", kill_on_drop: false }`
[INFO] [stdout] ce059b67f317b1b29f92cc75cc1cd7cc2a55f3e4f246dfca0f969a705ef44c20