[INFO] cloning repository https://github.com/sheshnath-at-knoldus/YouTube-Downloader-Using-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sheshnath-at-knoldus/YouTube-Downloader-Using-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsheshnath-at-knoldus%2FYouTube-Downloader-Using-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsheshnath-at-knoldus%2FYouTube-Downloader-Using-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] deb695d5093e35919f7f5e1e511cd6c01f950500
[INFO] checking sheshnath-at-knoldus/YouTube-Downloader-Using-Rust against try#5cafabc9f16561d7796554d5d241c3068e2bd97f for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsheshnath-at-knoldus%2FYouTube-Downloader-Using-Rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sheshnath-at-knoldus/YouTube-Downloader-Using-Rust on toolchain 5cafabc9f16561d7796554d5d241c3068e2bd97f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sheshnath-at-knoldus/YouTube-Downloader-Using-Rust
[INFO] finished tweaking git repo https://github.com/sheshnath-at-knoldus/YouTube-Downloader-Using-Rust
[INFO] tweaked toml for git repo https://github.com/sheshnath-at-knoldus/YouTube-Downloader-Using-Rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sheshnath-at-knoldus/YouTube-Downloader-Using-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" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 962ea2e24613e17bcc653b40f993de31f587e867395744f3abe367911b2f4395
[INFO] running `Command { std: "docker" "start" "-a" "962ea2e24613e17bcc653b40f993de31f587e867395744f3abe367911b2f4395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "962ea2e24613e17bcc653b40f993de31f587e867395744f3abe367911b2f4395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962ea2e24613e17bcc653b40f993de31f587e867395744f3abe367911b2f4395", kill_on_drop: false }`
[INFO] [stdout] 962ea2e24613e17bcc653b40f993de31f587e867395744f3abe367911b2f4395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8b9caa1463a6875d860a3998656c1389467db5c0d3e3c03a50414001f7d4f09
[INFO] running `Command { std: "docker" "start" "-a" "e8b9caa1463a6875d860a3998656c1389467db5c0d3e3c03a50414001f7d4f09", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `youtube`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let youtube = YouTube::new().expect("failed to get youtube Instance");
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_youtube`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `youtube`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let youtube = YouTube::new().expect("failed to get youtube Instance");
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_youtube`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.36s
[INFO] running `Command { std: "docker" "inspect" "e8b9caa1463a6875d860a3998656c1389467db5c0d3e3c03a50414001f7d4f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b9caa1463a6875d860a3998656c1389467db5c0d3e3c03a50414001f7d4f09", kill_on_drop: false }`
[INFO] [stdout] e8b9caa1463a6875d860a3998656c1389467db5c0d3e3c03a50414001f7d4f09