[INFO] cloning repository https://github.com/mehmetemincetin-06/booksystem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehmetemincetin-06/booksystem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehmetemincetin-06%2Fbooksystem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehmetemincetin-06%2Fbooksystem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98934b3c4d8ccf236add1d30b5ab4226ee2084c0
[INFO] checking mehmetemincetin-06/booksystem against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehmetemincetin-06%2Fbooksystem" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mehmetemincetin-06/booksystem on toolchain f2d69d5a7c04617d122facd0a7a5bdde0af928ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mehmetemincetin-06/booksystem
[INFO] finished tweaking git repo https://github.com/mehmetemincetin-06/booksystem
[INFO] tweaked toml for git repo https://github.com/mehmetemincetin-06/booksystem written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mehmetemincetin-06/booksystem 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" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b9937e383c954fb38c5a2375fd65e867a2d5051dbe56d6d0539ead7ea296ab8
[INFO] running `Command { std: "docker" "start" "-a" "8b9937e383c954fb38c5a2375fd65e867a2d5051dbe56d6d0539ead7ea296ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b9937e383c954fb38c5a2375fd65e867a2d5051dbe56d6d0539ead7ea296ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9937e383c954fb38c5a2375fd65e867a2d5051dbe56d6d0539ead7ea296ab8", kill_on_drop: false }`
[INFO] [stdout] 8b9937e383c954fb38c5a2375fd65e867a2d5051dbe56d6d0539ead7ea296ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3788672dc399432118d76881116bd00edd0ef5f76df61f9eba12d2a177517c7d
[INFO] running `Command { std: "docker" "start" "-a" "3788672dc399432118d76881116bd00edd0ef5f76df61f9eba12d2a177517c7d", kill_on_drop: false }`
[INFO] [stderr]     Checking booksystem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/main.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 |     database.push((book.clone()));
[INFO] [stdout]    |                   ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     database.push((book.clone()));
[INFO] [stdout] 49 +     database.push(book.clone());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/main.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 |     database.push((book.clone()));
[INFO] [stdout]    |                   ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     database.push((book.clone()));
[INFO] [stdout] 49 +     database.push(book.clone());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Movie` is never constructed
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Movie{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `price` and `category` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Book {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 24 |     name:String,
[INFO] [stdout] 25 |     price:u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     category:Catergory
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Book` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Science`, `Action`, `Adventure`, and `Criminal` are never constructed
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum Catergory{
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 31 |     Horror,
[INFO] [stdout] 32 |     Science,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 33 |     Action,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 34 |     Adventure,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 35 |     Criminal,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Catergory` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Movie` is never constructed
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Movie{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `price` and `category` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Book {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 24 |     name:String,
[INFO] [stdout] 25 |     price:u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     category:Catergory
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Book` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Science`, `Action`, `Adventure`, and `Criminal` are never constructed
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum Catergory{
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 31 |     Horror,
[INFO] [stdout] 32 |     Science,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 33 |     Action,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 34 |     Adventure,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 35 |     Criminal,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Catergory` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "3788672dc399432118d76881116bd00edd0ef5f76df61f9eba12d2a177517c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3788672dc399432118d76881116bd00edd0ef5f76df61f9eba12d2a177517c7d", kill_on_drop: false }`
[INFO] [stdout] 3788672dc399432118d76881116bd00edd0ef5f76df61f9eba12d2a177517c7d