[INFO] cloning repository https://github.com/AndreWozniack/LibraryManager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndreWozniack/LibraryManager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreWozniack%2FLibraryManager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreWozniack%2FLibraryManager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddb1f6ccf18dc299d7d1513f86d89acd0f419b42
[INFO] checking AndreWozniack/LibraryManager against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreWozniack%2FLibraryManager" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndreWozniack/LibraryManager
[INFO] finished tweaking git repo https://github.com/AndreWozniack/LibraryManager
[INFO] tweaked toml for git repo https://github.com/AndreWozniack/LibraryManager written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndreWozniack/LibraryManager on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndreWozniack/LibraryManager 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.214
[INFO] [stderr]   Downloaded serde v1.0.214
[INFO] [stderr]   Downloaded rustix v0.38.39
[INFO] [stderr]   Downloaded syn v2.0.87
[INFO] [stderr]   Downloaded libc v0.2.162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02111a39442b0d48de75f879033d9fa70a88608e56911dbb0d94408e7ce9f1a7
[INFO] running `Command { std: "docker" "start" "-a" "02111a39442b0d48de75f879033d9fa70a88608e56911dbb0d94408e7ce9f1a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02111a39442b0d48de75f879033d9fa70a88608e56911dbb0d94408e7ce9f1a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02111a39442b0d48de75f879033d9fa70a88608e56911dbb0d94408e7ce9f1a7", kill_on_drop: false }`
[INFO] [stdout] 02111a39442b0d48de75f879033d9fa70a88608e56911dbb0d94408e7ce9f1a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a5c3e7be3426837919233d52687153d7976cfd82fd496adf38be468edbffda7
[INFO] running `Command { std: "docker" "start" "-a" "3a5c3e7be3426837919233d52687153d7976cfd82fd496adf38be468edbffda7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling rustix v0.38.39
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking tempfile v3.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]     Checking library_manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `remove_book` is never used
[INFO] [stdout]   --> src/library/mod.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Library {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn remove_book(&mut self, book_id: u32) -> Result<(), BookError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/library/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[warn(dead_code)]
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_book` is never used
[INFO] [stdout]   --> src/library/books/handlers.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn update_book(
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_book_by_id` is never used
[INFO] [stdout]   --> src/library/books/handlers.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) fn delete_book_by_id(books: &mut Vec<Book>, book_id: u32) -> Result<(), BookError> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BookNotFound` is never constructed
[INFO] [stdout]   --> src/library/books/models.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum BookError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 32 |     BookNotFound,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BookError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_book` is never used
[INFO] [stdout]   --> src/library/books/service.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn update_book(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_book` is never used
[INFO] [stdout]   --> src/library/books/service.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn delete_book(books: &mut Vec<Book>, title: &str, author: &str) -> Result<(), BookError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_book_by_id` is never used
[INFO] [stdout]   --> src/library/books/service.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn delete_book_by_id(books: &mut Vec<Book>, book_id: u32) -> Result<(), BookError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_loan` is never used
[INFO] [stdout]   --> src/library/loans/handlers.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) fn delete_loan(loans: &mut Vec<Loan>, book_id: u32) -> Result<(), LoanError> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_loans_by_user` is never used
[INFO] [stdout]   --> src/library/loans/handlers.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) fn get_loans_by_user(loans: &[Loan], user_id: u32) -> Vec<Loan> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_loan` is never used
[INFO] [stdout]   --> src/library/loans/service.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn delete_loan(loans: &mut Vec<Loan>, book_id: u32) -> Result<(), LoanError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_loans_by_user` is never used
[INFO] [stdout]    --> src/library/loans/service.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn get_loans_by_user(loans: &[Loan], user_id: u32) -> Vec<Loan> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search_users` is never used
[INFO] [stdout]   --> src/library/users/handlers.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) fn search_users(users: &[User], query: &str) -> Vec<User> {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_user` is never used
[INFO] [stdout]   --> src/library/users/handlers.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) fn delete_user(users: &mut Vec<User>, id: u32) -> Result<(), UserError> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_user` is never used
[INFO] [stdout]   --> src/library/users/handlers.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn update_user(users: &mut Vec<User>, id: u32, name: String) -> Result<(), UserError> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_users` is never used
[INFO] [stdout]   --> src/library/users/handlers.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub(crate) fn print_users(users: &[User]) {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UserNotFound` is never constructed
[INFO] [stdout]   --> src/library/users/models.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum UserError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     UserNotFound,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search_users` is never used
[INFO] [stdout]   --> src/library/users/service.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn search_users(users: &[User], query: &str) -> Vec<User> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_user` is never used
[INFO] [stdout]   --> src/library/users/service.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn delete_user(users: &mut Vec<User>, id: u32) -> Result<(), UserError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_user` is never used
[INFO] [stdout]   --> src/library/users/service.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn update_user(users: &mut Vec<User>, id: u32, name: String) -> Result<(), UserError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_book` is never used
[INFO] [stdout]   --> src/library/mod.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Library {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn remove_book(&mut self, book_id: u32) -> Result<(), BookError> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/library/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[warn(dead_code)]
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_book` is never used
[INFO] [stdout]   --> src/library/books/handlers.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn update_book(
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_book_by_id` is never used
[INFO] [stdout]   --> src/library/books/handlers.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub(crate) fn delete_book_by_id(books: &mut Vec<Book>, book_id: u32) -> Result<(), BookError> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_book` is never used
[INFO] [stdout]   --> src/library/books/service.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn delete_book(books: &mut Vec<Book>, title: &str, author: &str) -> Result<(), BookError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_loan` is never used
[INFO] [stdout]   --> src/library/loans/handlers.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(crate) fn delete_loan(loans: &mut Vec<Loan>, book_id: u32) -> Result<(), LoanError> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_loans_by_user` is never used
[INFO] [stdout]   --> src/library/loans/handlers.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) fn get_loans_by_user(loans: &[Loan], user_id: u32) -> Vec<Loan> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search_users` is never used
[INFO] [stdout]   --> src/library/users/handlers.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) fn search_users(users: &[User], query: &str) -> Vec<User> {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_user` is never used
[INFO] [stdout]   --> src/library/users/handlers.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) fn delete_user(users: &mut Vec<User>, id: u32) -> Result<(), UserError> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_user` is never used
[INFO] [stdout]   --> src/library/users/handlers.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn update_user(users: &mut Vec<User>, id: u32, name: String) -> Result<(), UserError> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_users` is never used
[INFO] [stdout]   --> src/library/users/handlers.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub(crate) fn print_users(users: &[User]) {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.74s
[INFO] running `Command { std: "docker" "inspect" "3a5c3e7be3426837919233d52687153d7976cfd82fd496adf38be468edbffda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5c3e7be3426837919233d52687153d7976cfd82fd496adf38be468edbffda7", kill_on_drop: false }`
[INFO] [stdout] 3a5c3e7be3426837919233d52687153d7976cfd82fd496adf38be468edbffda7
