[INFO] cloning repository https://github.com/AlperROzkan/rustfam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlperROzkan/rustfam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlperROzkan%2Frustfam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlperROzkan%2Frustfam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32ffcfaff87b514ee48962a66ca7acc8baeaa9e9
[INFO] testing AlperROzkan/rustfam/32ffcfaff87b514ee48962a66ca7acc8baeaa9e9 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlperROzkan%2Frustfam" "/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/AlperROzkan/rustfam on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlperROzkan/rustfam
[INFO] finished tweaking git repo https://github.com/AlperROzkan/rustfam
[INFO] tweaked toml for git repo https://github.com/AlperROzkan/rustfam written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AlperROzkan/rustfam 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" "+nightly-2024-10-28" "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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 970cace35eb159b580077a851017d6c57abfa08f097f868bd6837101a1c6efe9
[INFO] running `Command { std: "docker" "start" "-a" "970cace35eb159b580077a851017d6c57abfa08f097f868bd6837101a1c6efe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "970cace35eb159b580077a851017d6c57abfa08f097f868bd6837101a1c6efe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970cace35eb159b580077a851017d6c57abfa08f097f868bd6837101a1c6efe9", kill_on_drop: false }`
[INFO] [stdout] 970cace35eb159b580077a851017d6c57abfa08f097f868bd6837101a1c6efe9
[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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 552cbce65773f1188040d99da9a859effda9e26dc5282521373f68085f95e085
[INFO] running `Command { std: "docker" "start" "-a" "552cbce65773f1188040d99da9a859effda9e26dc5282521373f68085f95e085", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_test v1.0.126
[INFO] [stderr]    Compiling FamRust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/model/family/tree.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn node_1(&self) -> &'a Family<'a> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 47 |         &self.node_1()
[INFO] [stdout]    |          ------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/model/family/tree.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn node_2(&self) -> &'a Family<'a> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 52 |         &self.node_2()
[INFO] [stdout]    |          ------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/model/family/family.rs:75:12
[INFO] [stdout]     |
[INFO] [stdout] 53  | impl<'a> Family<'a> {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75  |     pub fn new_existing(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn add_children(&mut self, children: Vec<Person<'a>>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn get_family_member_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     pub fn get_parent_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn get_child_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     pub fn init_1() -> Family<'a> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     pub fn init_2() -> Family<'a> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `linked_1`, `linked_1_mut`, `linked_2`, and `linked_2_mut` are never used
[INFO] [stdout]   --> src/model/family/pairing.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T> Pairing<T> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 16 |     pub fn new(linked_1: T, linked_2: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn linked_1(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn linked_1_mut(&mut self) -> &mut T {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn linked_2(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn linked_2_mut(&mut self) -> &mut T {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tree` is never used
[INFO] [stdout]   --> src/model/family/tree.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Tree<'a> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `node_1`, and `node_2` are never used
[INFO] [stdout]   --> src/model/family/tree.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a> Tree<'a> {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn node_1(&self) -> &'a Family<'a> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn node_2(&self) -> &'a Family<'a> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `id`, `firstname`, and `lastname` are never used
[INFO] [stdout]   --> src/model/person.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'a> Person<'a> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn id(&self) -> &u16 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn firstname(&self) -> &'a str {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn lastname(&self) -> &'a str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: serde_test v1.0.126
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "552cbce65773f1188040d99da9a859effda9e26dc5282521373f68085f95e085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552cbce65773f1188040d99da9a859effda9e26dc5282521373f68085f95e085", kill_on_drop: false }`
[INFO] [stdout] 552cbce65773f1188040d99da9a859effda9e26dc5282521373f68085f95e085
[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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04a4ea8ce57ea27db061c07b9765ce676d81f245b2f01d46c91f83aba676edae
[INFO] running `Command { std: "docker" "start" "-a" "04a4ea8ce57ea27db061c07b9765ce676d81f245b2f01d46c91f83aba676edae", kill_on_drop: false }`
[INFO] [stderr]    Compiling FamRust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/model/family/tree.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn node_1(&self) -> &'a Family<'a> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 47 |         &self.node_1()
[INFO] [stdout]    |          ------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/model/family/tree.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn node_2(&self) -> &'a Family<'a> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 52 |         &self.node_2()
[INFO] [stdout]    |          ------------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]   --> src/model/family/tree.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let tree: Tree = Tree::new(fam1, fam2, Pairing::new(&person_1, &person_2));
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_children` and `get_family_member_firstname` are never used
[INFO] [stdout]    --> src/model/family/family.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 53  | impl<'a> Family<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn add_children(&mut self, children: Vec<Person<'a>>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn get_family_member_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `linked_1`, `linked_1_mut`, `linked_2`, and `linked_2_mut` are never used
[INFO] [stdout]   --> src/model/family/pairing.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T> Pairing<T> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn linked_1(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn linked_1_mut(&mut self) -> &mut T {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn linked_2(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn linked_2_mut(&mut self) -> &mut T {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_1`, `node_2`, `linking`, and `node_3` are never read
[INFO] [stdout]   --> src/model/family/tree.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Node {
[INFO] [stdout]    |     ---- fields in this variant
[INFO] [stdout] 17 |         node_1: Family<'a>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 18 |         node_2: Family<'a>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |         linking: Pairing<&'a Person<'a>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 20 |         node_3: Box<Tree<'a>>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `node_1` and `node_2` are never used
[INFO] [stdout]   --> src/model/family/tree.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'a> Tree<'a> {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn node_1(&self) -> &'a Family<'a> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn node_2(&self) -> &'a Family<'a> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `id` and `lastname` are never used
[INFO] [stdout]   --> src/model/person.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'a> Person<'a> {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn id(&self) -> &u16 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn lastname(&self) -> &'a str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/model/family/family.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |                 buf_reader.read_to_string(&mut contents);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 289 |                 let _ = buf_reader.read_to_string(&mut contents);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: serde_test v1.0.126
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "04a4ea8ce57ea27db061c07b9765ce676d81f245b2f01d46c91f83aba676edae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a4ea8ce57ea27db061c07b9765ce676d81f245b2f01d46c91f83aba676edae", kill_on_drop: false }`
[INFO] [stdout] 04a4ea8ce57ea27db061c07b9765ce676d81f245b2f01d46c91f83aba676edae
[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 -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8f6b50ace3b8bc014bbf21e035d4d64aff11a60cfae2f5cf6dd5ed3a714ceb4
[INFO] running `Command { std: "docker" "start" "-a" "b8f6b50ace3b8bc014bbf21e035d4d64aff11a60cfae2f5cf6dd5ed3a714ceb4", kill_on_drop: false }`
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/model/family/tree.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn node_1(&self) -> &'a Family<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 47 |         &self.node_1()
[INFO] [stderr]    |          ------------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/model/family/tree.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn node_2(&self) -> &'a Family<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 52 |         &self.node_2()
[INFO] [stderr]    |          ------------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tree`
[INFO] [stderr]   --> src/model/family/tree.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let tree: Tree = Tree::new(fam1, fam2, Pairing::new(&person_1, &person_2));
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add_children` and `get_family_member_firstname` are never used
[INFO] [stderr]    --> src/model/family/family.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 53  | impl<'a> Family<'a> {
[INFO] [stderr]     | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 114 |     pub fn add_children(&mut self, children: Vec<Person<'a>>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 125 |     pub fn get_family_member_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `linked_1`, `linked_1_mut`, `linked_2`, and `linked_2_mut` are never used
[INFO] [stderr]   --> src/model/family/pairing.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl<T> Pairing<T> {
[INFO] [stderr]    | ------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 21 |     pub fn linked_1(&self) -> &T {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn linked_1_mut(&mut self) -> &mut T {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub fn linked_2(&self) -> &T {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn linked_2_mut(&mut self) -> &mut T {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `node_1`, `node_2`, `linking`, and `node_3` are never read
[INFO] [stderr]   --> src/model/family/tree.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Node {
[INFO] [stderr]    |     ---- fields in this variant
[INFO] [stderr] 17 |         node_1: Family<'a>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 18 |         node_2: Family<'a>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 19 |         linking: Pairing<&'a Person<'a>>,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 20 |         node_3: Box<Tree<'a>>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `node_1` and `node_2` are never used
[INFO] [stderr]   --> src/model/family/tree.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl<'a> Tree<'a> {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn node_1(&self) -> &'a Family<'a> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn node_2(&self) -> &'a Family<'a> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `id` and `lastname` are never used
[INFO] [stderr]   --> src/model/person.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl<'a> Person<'a> {
[INFO] [stderr]    | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn id(&self) -> &u16 {
[INFO] [stderr]    |            ^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn lastname(&self) -> &'a str {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/model/family/family.rs:289:17
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 buf_reader.read_to_string(&mut contents);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 let _ = buf_reader.read_to_string(&mut contents);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `FamRust` (bin "fam_rust" test) generated 9 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: serde_test v1.0.126
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fam_rust-757807cfb8d04f41)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test model::family::family::tests::get_child_firstname_test_1 ... ok
[INFO] [stdout] test model::family::family::tests::get_child_firstname_test_2 ... ok
[INFO] [stdout] test model::family::family::tests::get_parent_firstname_test_1 ... ok
[INFO] [stdout] test model::family::family::tests::get_parent_firstname_test_2 ... ok
[INFO] [stdout] test model::family::family::tests::get_parent_firstname_test_3 ... ok
[INFO] [stdout] test model::family::tree::tests::new_test_1 ... FAILED
[INFO] [stdout] test model::family::family::tests::write_to_file_1 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- model::family::tree::tests::new_test_1 stdout ----
[INFO] [stdout] Error: "Test not finished"
[INFO] [stdout] 
[INFO] [stdout] ---- model::family::family::tests::write_to_file_1 stdout ----
[INFO] [stdout] thread 'model::family::family::tests::write_to_file_1' panicked at src/model/family/family.rs:180:23:
[INFO] [stdout] Error when creating file while writing family to a file. Error Read-only file system (os error 30)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a16bd20229a - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5a16bd20229a - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5a16bd20229a - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5a16bd20229a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5a16bd228853 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5a16bd228853 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x5a16bd1fef03 - std::io::Write::write_fmt::h7d3c26752da97734
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5a16bd2020e2 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5a16bd20372a - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5a16bd203534 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5a16bd1cc6c9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4ff71de18744e1dc
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5a16bd1cc6c9 - test::test_main::{{closure}}::hcf7c055ce117aa81
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5a16bd203e28 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1d66c6bbd60c9692
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5a16bd203e28 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5a16bd203bea - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5a16bd202779 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5a16bd20387c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5a16bd227250 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x5a16bd1893ec - fam_rust::model::family::family::Family::write_to_file::h085844454920529a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/model/family/family.rs:180:23
[INFO] [stdout]   19:     0x5a16bd18e117 - fam_rust::model::family::family::tests::write_to_file_1::had4a045125e6e98d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/model/family/family.rs:282:9
[INFO] [stdout]   20:     0x5a16bd18e017 - fam_rust::model::family::family::tests::write_to_file_1::{{closure}}::h2757ca6b4f0caa13
[INFO] [stdout]                                at /opt/rustwide/workdir/src/model/family/family.rs:276:25
[INFO] [stdout]   21:     0x5a16bd18b6a6 - core::ops::function::FnOnce::call_once::h19aa121cec216d07
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5a16bd1d0f9b - core::ops::function::FnOnce::call_once::h22c3ba5715e93f05
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5a16bd1d0f9b - test::__rust_begin_short_backtrace::h8e82d8113d0da17f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:621:18
[INFO] [stdout]   24:     0x5a16bd1d0917 - test::run_test_in_process::{{closure}}::h33235f4f20b7b7c7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:60
[INFO] [stdout]   25:     0x5a16bd1d0917 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb5043206310c586f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x5a16bd1d0917 - std::panicking::try::do_call::h9ad4731a60ab23e2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x5a16bd1d0917 - std::panicking::try::h3824d23db772a716
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x5a16bd1d0917 - std::panic::catch_unwind::h5afd514605fde46b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x5a16bd1d0917 - test::run_test_in_process::h0d5cbfa7067d1720
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:27
[INFO] [stdout]   30:     0x5a16bd1d0917 - test::run_test::{{closure}}::h708eb8872708115d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:565:43
[INFO] [stdout]   31:     0x5a16bd194034 - test::run_test::{{closure}}::h392c51cee94713ab
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:595:41
[INFO] [stdout]   32:     0x5a16bd194034 - std::sys::backtrace::__rust_begin_short_backtrace::h2f40290710935a8b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   33:     0x5a16bd1977de - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3fd968d89053a903
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:541:17
[INFO] [stdout]   34:     0x5a16bd1977de - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h743f637ba4229880
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x5a16bd1977de - std::panicking::try::do_call::h07440897322525a6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   36:     0x5a16bd1977de - std::panicking::try::he5a2e00188156637
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   37:     0x5a16bd1977de - std::panic::catch_unwind::hbaf3cae49b3c6433
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   38:     0x5a16bd1977de - std::thread::Builder::spawn_unchecked_::{{closure}}::h8e141ea224820bce
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:540:30
[INFO] [stdout]   39:     0x5a16bd1977de - core::ops::function::FnOnce::call_once{{vtable.shim}}::h90d312fedd7b8ea8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5a16bd207c2b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h69aa08ddb6adb8b6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   41:     0x5a16bd207c2b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5aa36efdb79c806f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x5a16bd207c2b - std::sys::pal::unix::thread::Thread::new::thread_start::h6cd80a1b4be5158d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   43:     0x7ee7831c3ac3 - <unknown>
[INFO] [stdout]   44:     0x7ee783254a04 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     model::family::family::tests::write_to_file_1
[INFO] [stdout]     model::family::tree::tests::new_test_1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin fam_rust`
[INFO] running `Command { std: "docker" "inspect" "b8f6b50ace3b8bc014bbf21e035d4d64aff11a60cfae2f5cf6dd5ed3a714ceb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f6b50ace3b8bc014bbf21e035d4d64aff11a60cfae2f5cf6dd5ed3a714ceb4", kill_on_drop: false }`
[INFO] [stdout] b8f6b50ace3b8bc014bbf21e035d4d64aff11a60cfae2f5cf6dd5ed3a714ceb4
