[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 against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlperROzkan%2Frustfam" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlperROzkan/rustfam on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b302ac3ce248ee648c440ed7d2f36e712155405e1c0662e93695cfd03d162bf7
[INFO] running `Command { std: "docker" "start" "-a" "b302ac3ce248ee648c440ed7d2f36e712155405e1c0662e93695cfd03d162bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b302ac3ce248ee648c440ed7d2f36e712155405e1c0662e93695cfd03d162bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b302ac3ce248ee648c440ed7d2f36e712155405e1c0662e93695cfd03d162bf7", kill_on_drop: false }`
[INFO] [stdout] b302ac3ce248ee648c440ed7d2f36e712155405e1c0662e93695cfd03d162bf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e14eb1adcd59e36932f02a2b8704a3421879aa402ed0aa12c4c1c39be187df8a
[INFO] running `Command { std: "docker" "start" "-a" "e14eb1adcd59e36932f02a2b8704a3421879aa402ed0aa12c4c1c39be187df8a", 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 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pairing` is never constructed
[INFO] [stdout]  --> src/model/family/pairing.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Pairing<T> {
[INFO] [stdout]   |            ^^^^^^^
[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] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/family/family.rs:125:40
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn get_family_member_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stdout]     |                                        ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn get_family_member_firstname(&mut self, firstname: String) -> Option<Person<'_>> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/family/family.rs:144:33
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn get_parent_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stdout]     |                                 ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn get_parent_firstname(&mut self, firstname: String) -> Option<Person<'_>> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/family/family.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn get_child_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stdout]     |                                ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn get_child_firstname(&mut self, firstname: String) -> Option<Person<'_>> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.12s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "e14eb1adcd59e36932f02a2b8704a3421879aa402ed0aa12c4c1c39be187df8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14eb1adcd59e36932f02a2b8704a3421879aa402ed0aa12c4c1c39be187df8a", kill_on_drop: false }`
[INFO] [stdout] e14eb1adcd59e36932f02a2b8704a3421879aa402ed0aa12c4c1c39be187df8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11d3fc1bd542d951518f10b19490ed93ef94902e2ac21244384b221e3b6838e5
[INFO] running `Command { std: "docker" "start" "-a" "11d3fc1bd542d951518f10b19490ed93ef94902e2ac21244384b221e3b6838e5", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/family/family.rs:125:40
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn get_family_member_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stdout]     |                                        ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn get_family_member_firstname(&mut self, firstname: String) -> Option<Person<'_>> {
[INFO] [stdout]     |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/family/family.rs:144:33
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn get_parent_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stdout]     |                                 ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn get_parent_firstname(&mut self, firstname: String) -> Option<Person<'_>> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/family/family.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn get_child_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stdout]     |                                ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn get_child_firstname(&mut self, firstname: String) -> Option<Person<'_>> {
[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)]` (part of `#[warn(unused)]`) 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 0.83s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "11d3fc1bd542d951518f10b19490ed93ef94902e2ac21244384b221e3b6838e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d3fc1bd542d951518f10b19490ed93ef94902e2ac21244384b221e3b6838e5", kill_on_drop: false }`
[INFO] [stdout] 11d3fc1bd542d951518f10b19490ed93ef94902e2ac21244384b221e3b6838e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e52dba9d9ed60054a4fba9b33659d6e1b241752ebb547ae467f3d16b2bbb2bfd
[INFO] running `Command { std: "docker" "start" "-a" "e52dba9d9ed60054a4fba9b33659d6e1b241752ebb547ae467f3d16b2bbb2bfd", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/model/family/family.rs:125:40
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn get_family_member_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stderr]     |                                        ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn get_family_member_firstname(&mut self, firstname: String) -> Option<Person<'_>> {
[INFO] [stderr]     |                                                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/model/family/family.rs:144:33
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn get_parent_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stderr]     |                                 ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn get_parent_firstname(&mut self, firstname: String) -> Option<Person<'_>> {
[INFO] [stderr]     |                                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/model/family/family.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     pub fn get_child_firstname(&mut self, firstname: String) -> Option<Person> {
[INFO] [stderr]     |                                ^^^^^^^^^ the lifetime is elided here   ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 158 |     pub fn get_child_firstname(&mut self, firstname: String) -> Option<Person<'_>> {
[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)]` (part of `#[warn(unused)]`) 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 12 warnings (run `cargo fix --bin "fam_rust" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[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 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fam_rust-726bb612792b307c)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[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_child_firstname_test_1 ... 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] 
[INFO] [stdout] thread 'model::family::family::tests::write_to_file_1' (31) 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:     0x5c379d9492c2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c379d9492c2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c379d9492c2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c379d9492c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c379d95945f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c379d95945f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5c379d916641 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c379d916641 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c379d922782 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c379d92732f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5c379d9271c1 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5c379d8e784e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x5c379d8e784e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c379d9279ef - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x5c379d9279ef - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5c379d92784a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5c379d9228b9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5c379d90ab1d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5c379d960e00 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5c379d8bdb8e - fam_rust::model::family::family::Family::write_to_file::h7de78d5b81e292c4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/model/family/family.rs:180:23
[INFO] [stdout]   20:     0x5c379d8c20a7 - fam_rust::model::family::family::tests::write_to_file_1::ha329d32590e09153
[INFO] [stdout]                                at /opt/rustwide/workdir/src/model/family/family.rs:282:18
[INFO] [stdout]   21:     0x5c379d8c2377 - fam_rust::model::family::family::tests::write_to_file_1::{{closure}}::h46a07219d0225185
[INFO] [stdout]                                at /opt/rustwide/workdir/src/model/family/family.rs:276:25
[INFO] [stdout]   22:     0x5c379d8bf686 - core::ops::function::FnOnce::call_once::h9f1ec8c53e543ce9
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5c379d8e760b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5c379d8e760b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x5c379d8fd275 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x5c379d8fd275 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x5c379d8fd275 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5c379d8fd275 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5c379d8fd275 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5c379d8fd275 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x5c379d8fd275 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x5c379d8d3a64 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x5c379d8d3a64 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5c379d8d732a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5c379d8d732a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x5c379d8d732a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   37:     0x5c379d8d732a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   38:     0x5c379d8d732a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5c379d8d732a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5c379d8d732a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5c379d91da1f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   42:     0x5c379d91da1f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   43:     0x7be6e7b6aaa4 - <unknown>
[INFO] [stdout]   44:     0x7be6e7bf7a34 - 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 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin fam_rust`
[INFO] running `Command { std: "docker" "inspect" "e52dba9d9ed60054a4fba9b33659d6e1b241752ebb547ae467f3d16b2bbb2bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52dba9d9ed60054a4fba9b33659d6e1b241752ebb547ae467f3d16b2bbb2bfd", kill_on_drop: false }`
[INFO] [stdout] e52dba9d9ed60054a4fba9b33659d6e1b241752ebb547ae467f3d16b2bbb2bfd
