[INFO] updating cached repository https://github.com/Peter-JanGootzen/circuit_simulator.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bbd0629d16640ab11539478b044ddb428f3d6fd
[INFO] checking Peter-JanGootzen/circuit_simulator.rs against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeter-JanGootzen%2Fcircuit_simulator.rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Peter-JanGootzen/circuit_simulator.rs on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Peter-JanGootzen/circuit_simulator.rs
[INFO] finished tweaking git repo https://github.com/Peter-JanGootzen/circuit_simulator.rs
[INFO] tweaked toml for git repo https://github.com/Peter-JanGootzen/circuit_simulator.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Peter-JanGootzen/circuit_simulator.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7153074b547be35d2fdd013bf1753169dc3d3edf20fe36c8a2885a2e65c9eea7
[INFO] running `"docker" "start" "-a" "7153074b547be35d2fdd013bf1753169dc3d3edf20fe36c8a2885a2e65c9eea7"`
[INFO] [stderr]    Compiling gio v0.6.0
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling gdk v0.10.0
[INFO] [stderr]    Compiling gtk v0.6.0
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling gio-sys v0.8.0
[INFO] [stderr]    Compiling pango-sys v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.8.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]    Compiling gdk-sys v0.8.0
[INFO] [stderr]    Compiling atk-sys v0.8.0
[INFO] [stderr]    Compiling gtk-sys v0.8.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling pango v0.6.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.6.0
[INFO] [stderr]    Compiling atk v0.6.0
[INFO] [stderr]     Checking glib v0.7.1
[INFO] [stderr]    Compiling objekt-clonable-impl v0.2.2
[INFO] [stderr]     Checking objekt-clonable v0.2.2
[INFO] [stderr]     Checking circuit_simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::models::node::Node`
[INFO] [stderr]  --> src/models/gates/signal_gate.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::models::node::Node;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/models/gates/signal_gate.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/models/gates/signal_gate.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/models/visitor.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/models/visitor.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Ref`
[INFO] [stderr]  --> src/models/visitor.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::cell::Ref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/models/visitor.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/circuit_checking/strategies/lax_check_strategy.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::models::node::Node`
[INFO] [stderr]  --> src/models/gates/signal_gate.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::models::node::Node;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/models/gates/signal_gate.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/models/gates/signal_gate.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/models/visitor.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/models/visitor.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Ref`
[INFO] [stderr]  --> src/models/visitor.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::cell::Ref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/models/visitor.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/circuit_checking/strategies/lax_check_strategy.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::circuit_checking::checkers::infinite_loop_checker::InfiniteLoopChecker`
[INFO] [stderr]  --> src/tests/strategy.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::circuit_checking::checkers::infinite_loop_checker::InfiniteLoopChecker;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::circuit_checking::checker::Checker`
[INFO] [stderr]  --> src/tests/strategy.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::circuit_checking::checker::Checker;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::models::circuit::Circuit`
[INFO] [stderr]  --> src/tests/strategy.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::models::circuit::Circuit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::models::node::Node`
[INFO] [stderr]  --> src/tests/strategy.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::models::node::Node;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::models::output::Output`
[INFO] [stderr]  --> src/tests/strategy.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::models::output::Output;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/tests/strategy.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::models::gates::not_gate::NotGate`
[INFO] [stderr]  --> src/tests/strategy.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::models::gates::not_gate::NotGate;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::models::gates::and_gate::AndGate`
[INFO] [stderr]  --> src/tests/strategy.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::models::gates::and_gate::AndGate;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::models::gates::signal_gate::SignalGate`
[INFO] [stderr]  --> src/tests/strategy.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::models::gates::signal_gate::SignalGate;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]   --> src/tests/strategy.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::cell::RefCell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/models/node.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             _ => None
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delay`
[INFO] [stderr]   --> src/models/gates/or_gate.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |                 Output::False(delay) => {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_delay`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/creation/builders/circuit_builder.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut nodes: RefCell<Vec<Rc<RefCell<Node>>>> = RefCell::new(vec![]);
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CompositeNodeStruct`
[INFO] [stderr]   --> src/models/node.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 | pub struct CompositeNodeStruct {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_delay`
[INFO] [stderr]   --> src/models/circuit.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get_delay(&self) -> Vec<u32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/creation/factories/node_factory.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn new() -> LowBindingNodeFactory {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_error`
[INFO] [stderr]   --> src/gui.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn show_error(error: &str) {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `open_file_chooser`
[INFO] [stderr]   --> src/gui.rs:78:8
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub fn open_file_chooser() -> Result<String, &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Warning`
[INFO] [stderr]  --> src/circuit_checking/checker_message.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Warning(&'static str),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::iter::Map` that must be used
[INFO] [stderr]   --> src/models/circuit.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | /         self.get_output_nodes().iter().map(|node| delays.push(match node.borrow().get_output() {
[INFO] [stderr] 35 | |             Output::True(delay) => delay.clone(),
[INFO] [stderr] 36 | |             Output::False(delay) => delay.clone(),
[INFO] [stderr] 37 | |         }));
[INFO] [stderr]    | |____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tests/strategy.rs:19:35
[INFO] [stderr]    |
[INFO] [stderr] 19 |         inputs: RefCell::new(vec![false_signal_node.clone()])
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::cell::RefCell`, found enum `models::node::Node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::rc::Rc<std::cell::RefCell<models::node::Node>>`
[INFO] [stderr]               found struct `std::rc::Rc<models::node::Node>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tests/strategy.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let circuit = Circuit::new(RefCell::new(all_nodes), RefCell::new(vec![not_node.clone()]));
[INFO] [stderr]    |                                             ^^^^^^^^^ expected struct `std::cell::RefCell`, found enum `models::node::Node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::vec::Vec<std::rc::Rc<std::cell::RefCell<models::node::Node>>>`
[INFO] [stderr]               found struct `std::vec::Vec<std::rc::Rc<models::node::Node>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tests/strategy.rs:25:75
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let circuit = Circuit::new(RefCell::new(all_nodes), RefCell::new(vec![not_node.clone()]));
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^ expected struct `std::cell::RefCell`, found enum `models::node::Node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::rc::Rc<std::cell::RefCell<models::node::Node>>`
[INFO] [stderr]               found struct `std::rc::Rc<models::node::Node>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tests/strategy.rs:38:35
[INFO] [stderr]    |
[INFO] [stderr] 38 |         inputs: RefCell::new(vec![false_signal_node.clone()])
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::cell::RefCell`, found enum `models::node::Node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::rc::Rc<std::cell::RefCell<models::node::Node>>`
[INFO] [stderr]               found struct `std::rc::Rc<models::node::Node>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tests/strategy.rs:41:35
[INFO] [stderr]    |
[INFO] [stderr] 41 |         inputs: RefCell::new(vec![not_node.clone()])
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^ expected struct `std::cell::RefCell`, found enum `models::node::Node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::rc::Rc<std::cell::RefCell<models::node::Node>>`
[INFO] [stderr]               found struct `std::rc::Rc<models::node::Node>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tests/strategy.rs:43:24
[INFO] [stderr]    |
[INFO] [stderr] 43 |     and_node.add_input(and_node.clone());
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^ expected struct `std::cell::RefCell`, found enum `models::node::Node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::rc::Rc<std::cell::RefCell<models::node::Node>>`
[INFO] [stderr]               found struct `std::rc::Rc<models::node::Node>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tests/strategy.rs:49:45
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let circuit = Circuit::new(RefCell::new(all_nodes), RefCell::new(vec![not_node.clone()]));
[INFO] [stderr]    |                                             ^^^^^^^^^ expected struct `std::cell::RefCell`, found enum `models::node::Node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::vec::Vec<std::rc::Rc<std::cell::RefCell<models::node::Node>>>`
[INFO] [stderr]               found struct `std::vec::Vec<std::rc::Rc<models::node::Node>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/tests/strategy.rs:49:75
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let circuit = Circuit::new(RefCell::new(all_nodes), RefCell::new(vec![not_node.clone()]));
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^ expected struct `std::cell::RefCell`, found enum `models::node::Node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `std::rc::Rc<std::cell::RefCell<models::node::Node>>`
[INFO] [stderr]               found struct `std::rc::Rc<models::node::Node>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `circuit_simulator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7153074b547be35d2fdd013bf1753169dc3d3edf20fe36c8a2885a2e65c9eea7"`
[INFO] running `"docker" "rm" "-f" "7153074b547be35d2fdd013bf1753169dc3d3edf20fe36c8a2885a2e65c9eea7"`
[INFO] [stdout] 7153074b547be35d2fdd013bf1753169dc3d3edf20fe36c8a2885a2e65c9eea7
