[INFO] cloning repository https://github.com/PoorlyDefinedBehaviour/in-code-model-checker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PoorlyDefinedBehaviour/in-code-model-checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Fin-code-model-checker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Fin-code-model-checker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 457156972d8b3e0d934be9eae74c6743e9c9a81c
[INFO] testing PoorlyDefinedBehaviour/in-code-model-checker against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Fin-code-model-checker" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PoorlyDefinedBehaviour/in-code-model-checker
[INFO] finished tweaking git repo https://github.com/PoorlyDefinedBehaviour/in-code-model-checker
[INFO] tweaked toml for git repo https://github.com/PoorlyDefinedBehaviour/in-code-model-checker written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PoorlyDefinedBehaviour/in-code-model-checker on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PoorlyDefinedBehaviour/in-code-model-checker 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-2026-03-05" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71c37e0cf92947ad3d044d78906e8bb6f7ff9ccfbab7215671a7cb5b6f14ebb5
[INFO] running `Command { std: "docker" "start" "-a" "71c37e0cf92947ad3d044d78906e8bb6f7ff9ccfbab7215671a7cb5b6f14ebb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c37e0cf92947ad3d044d78906e8bb6f7ff9ccfbab7215671a7cb5b6f14ebb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c37e0cf92947ad3d044d78906e8bb6f7ff9ccfbab7215671a7cb5b6f14ebb5", kill_on_drop: false }`
[INFO] [stdout] 71c37e0cf92947ad3d044d78906e8bb6f7ff9ccfbab7215671a7cb5b6f14ebb5
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf73b006a64e287071214338e87d6061820fc736b3b3e62743ab0de0746559a3
[INFO] running `Command { std: "docker" "start" "-a" "cf73b006a64e287071214338e87d6061820fc736b3b3e62743ab0de0746559a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/die_hard.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn fill_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]   |               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/die_hard.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn fill_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/die_hard.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn empty_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/die_hard.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn empty_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/die_hard.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn move_from_big_to_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/die_hard.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn move_from_small_to_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/money_transfer.rs:32:54
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn start_transfer(s: &mut State, r: i64, from: &str, to: &str, amount: i64) {
[INFO] [stdout]    |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]  --> src/die_hard.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct State {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_small` is never used
[INFO] [stdout]  --> src/die_hard.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn fill_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fill_big` is never used
[INFO] [stdout]   --> src/die_hard.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn fill_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `empty_small` is never used
[INFO] [stdout]   --> src/die_hard.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn empty_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `empty_big` is never used
[INFO] [stdout]   --> src/die_hard.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn empty_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_from_big_to_small` is never used
[INFO] [stdout]   --> src/die_hard.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn move_from_big_to_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_from_small_to_big` is never used
[INFO] [stdout]   --> src/die_hard.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn move_from_small_to_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gallon_never_has_4_liters` is never used
[INFO] [stdout]   --> src/die_hard.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn gallon_never_has_4_liters(s: &State) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Action` is never constructed
[INFO] [stdout]  --> src/model_checker.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Action<State> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Invariant` is never constructed
[INFO] [stdout]   --> src/model_checker.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Invariant<State> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pending` is never constructed
[INFO] [stdout]   --> src/model_checker.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Pending<State> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ModelChecker` is never constructed
[INFO] [stdout]   --> src/model_checker.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct ModelChecker<State> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash` is never used
[INFO] [stdout]   --> src/model_checker.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn hash(v: impl std::hash::Hash) -> u64 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `action`, `invariant`, `run`, `step`, and `there_exists` are never used
[INFO] [stdout]    --> src/model_checker.rs:43:12
[INFO] [stdout]     |
[INFO] [stdout]  42 | impl<State: std::hash::Hash + std::fmt::Debug + Clone> ModelChecker<State> {
[INFO] [stdout]     | -------------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout]  43 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  54 |     pub fn action(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  66 |     pub fn invariant(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  78 |     pub fn run(&mut self, initial_state: State) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  91 |     fn step(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn there_exists<V>(&self, xs: impl Iterator<Item = V>, f: impl Fn(&mut State, V)) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ThereExists` is never used
[INFO] [stdout]    --> src/model_checker.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 | trait ThereExists {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_behavior` is never used
[INFO] [stdout]    --> src/model_checker.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn build_behavior<State: Clone>(s: &Pending<State>) -> Vec<(String, State)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]  --> src/money_transfer.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct State {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deposit` is never used
[INFO] [stdout]   --> src/money_transfer.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn deposit(s: &mut State, account: &str, amount: i64) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_transfer` is never used
[INFO] [stdout]   --> src/money_transfer.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn start_transfer(s: &mut State, r: i64, from: &str, to: &str, amount: i64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `complete_transfer` is never used
[INFO] [stdout]   --> src/money_transfer.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn complete_transfer(s: &mut State, r: i64, from: &str, to: &str, amount: i64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `consistency` is never used
[INFO] [stdout]   --> src/money_transfer.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn consistency(s: &State) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "cf73b006a64e287071214338e87d6061820fc736b3b3e62743ab0de0746559a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf73b006a64e287071214338e87d6061820fc736b3b3e62743ab0de0746559a3", kill_on_drop: false }`
[INFO] [stdout] cf73b006a64e287071214338e87d6061820fc736b3b3e62743ab0de0746559a3
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2072b4e3a0d5b5a76546effc3f8c17984a8ca2b32a264de7fdc972551753bf1
[INFO] running `Command { std: "docker" "start" "-a" "a2072b4e3a0d5b5a76546effc3f8c17984a8ca2b32a264de7fdc972551753bf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling rust-kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/die_hard.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn fill_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]   |               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/die_hard.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn fill_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/die_hard.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn empty_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/die_hard.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn empty_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/die_hard.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn move_from_big_to_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/die_hard.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn move_from_small_to_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/money_transfer.rs:32:54
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn start_transfer(s: &mut State, r: i64, from: &str, to: &str, amount: i64) {
[INFO] [stdout]    |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/money_transfer.rs:77:46
[INFO] [stdout]    |
[INFO] [stdout] 77 |             .action("complete_transfer", |c, s: &mut State| {
[INFO] [stdout]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/money_transfer.rs:74:43
[INFO] [stdout]    |
[INFO] [stdout] 74 |             .action("start_transfer", |c, s| {
[INFO] [stdout]    |                                           ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ThereExists` is never used
[INFO] [stdout]    --> src/model_checker.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 | trait ThereExists {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "a2072b4e3a0d5b5a76546effc3f8c17984a8ca2b32a264de7fdc972551753bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2072b4e3a0d5b5a76546effc3f8c17984a8ca2b32a264de7fdc972551753bf1", kill_on_drop: false }`
[INFO] [stdout] a2072b4e3a0d5b5a76546effc3f8c17984a8ca2b32a264de7fdc972551753bf1
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6722fe4d8dd6cf595c247debccf95da52845aa02c99b74013729691c7eb2de14
[INFO] running `Command { std: "docker" "start" "-a" "6722fe4d8dd6cf595c247debccf95da52845aa02c99b74013729691c7eb2de14", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]  --> src/die_hard.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn fill_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stderr]   |               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/die_hard.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn fill_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/die_hard.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn empty_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/die_hard.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn empty_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/die_hard.rs:25:27
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn move_from_big_to_small(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stderr]    |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/die_hard.rs:31:27
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn move_from_small_to_big(c: &mut ModelChecker<State>, s: &mut State) {
[INFO] [stderr]    |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]   --> src/money_transfer.rs:32:54
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn start_transfer(s: &mut State, r: i64, from: &str, to: &str, amount: i64) {
[INFO] [stderr]    |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/money_transfer.rs:77:46
[INFO] [stderr]    |
[INFO] [stderr] 77 |             .action("complete_transfer", |c, s: &mut State| {
[INFO] [stderr]    |                                              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/money_transfer.rs:74:43
[INFO] [stderr]    |
[INFO] [stderr] 74 |             .action("start_transfer", |c, s| {
[INFO] [stderr]    |                                           ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: trait `ThereExists` is never used
[INFO] [stderr]    --> src/model_checker.rs:148:7
[INFO] [stderr]     |
[INFO] [stderr] 148 | trait ThereExists {
[INFO] [stderr]     |       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-kata` (bin "rust-kata" test) generated 10 warnings (run `cargo fix --bin "rust-kata" -p rust-kata --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_kata-645cc479a625413d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] error: test failed, to rerun pass `--bin rust-kata`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rust_kata-645cc479a625413d` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "6722fe4d8dd6cf595c247debccf95da52845aa02c99b74013729691c7eb2de14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6722fe4d8dd6cf595c247debccf95da52845aa02c99b74013729691c7eb2de14", kill_on_drop: false }`
[INFO] [stdout] 6722fe4d8dd6cf595c247debccf95da52845aa02c99b74013729691c7eb2de14
