Dec 04 22:19:41.222 INFO checking ashleygwilliams/relational_node-rust against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 22:19:41.222 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 22:19:41.511 INFO [stdout] bcf177cb415cabba972cb6a20a1b9312f0629422fd9e17a77ed9e9d76b86939a
Dec 04 22:19:41.517 INFO running `"docker" "start" "-a" "bcf177cb415cabba972cb6a20a1b9312f0629422fd9e17a77ed9e9d76b86939a"`
Dec 04 22:19:42.399 INFO [stderr] usermod: no changes
Dec 04 22:19:42.442 INFO [stderr]     Checking relation_node v0.1.0 (/source)
Dec 04 22:19:42.804 INFO [stderr] warning: variant is never constructed: `Undefined`
Dec 04 22:19:42.805 INFO [stderr]  --> src/value.rs:6:3
Dec 04 22:19:42.805 INFO [stderr]   |
Dec 04 22:19:42.805 INFO [stderr] 6 |   Undefined,
Dec 04 22:19:42.805 INFO [stderr]   |   ^^^^^^^^^
Dec 04 22:19:42.805 INFO [stderr]   |
Dec 04 22:19:42.805 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 22:19:42.805 INFO [stderr] 
Dec 04 22:19:42.805 INFO [stderr] warning: variant is never constructed: `Variable`
Dec 04 22:19:42.805 INFO [stderr]  --> src/value.rs:7:3
Dec 04 22:19:42.805 INFO [stderr]   |
Dec 04 22:19:42.805 INFO [stderr] 7 |   Variable(Variable),
Dec 04 22:19:42.805 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.805 INFO [stderr] 
Dec 04 22:19:42.806 INFO [stderr] warning: variant is never constructed: `Object`
Dec 04 22:19:42.806 INFO [stderr]  --> src/value.rs:8:3
Dec 04 22:19:42.806 INFO [stderr]   |
Dec 04 22:19:42.806 INFO [stderr] 8 |   Object(HashMap<String, Value>),
Dec 04 22:19:42.806 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.806 INFO [stderr] 
Dec 04 22:19:42.806 INFO [stderr] warning: variant is never constructed: `String`
Dec 04 22:19:42.806 INFO [stderr]  --> src/value.rs:9:3
Dec 04 22:19:42.806 INFO [stderr]   |
Dec 04 22:19:42.806 INFO [stderr] 9 |   String(String),
Dec 04 22:19:42.806 INFO [stderr]   |   ^^^^^^^^^^^^^^
Dec 04 22:19:42.806 INFO [stderr] 
Dec 04 22:19:42.806 INFO [stderr] warning: variant is never constructed: `Array`
Dec 04 22:19:42.806 INFO [stderr]   --> src/value.rs:10:3
Dec 04 22:19:42.806 INFO [stderr]    |
Dec 04 22:19:42.806 INFO [stderr] 10 |   Array(Vec<Value>),
Dec 04 22:19:42.806 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.806 INFO [stderr] 
Dec 04 22:19:42.806 INFO [stderr] warning: variant is never constructed: `Number`
Dec 04 22:19:42.806 INFO [stderr]   --> src/value.rs:11:3
Dec 04 22:19:42.806 INFO [stderr]    |
Dec 04 22:19:42.806 INFO [stderr] 11 |   Number(u32),
Dec 04 22:19:42.806 INFO [stderr]    |   ^^^^^^^^^^^
Dec 04 22:19:42.806 INFO [stderr] 
Dec 04 22:19:42.806 INFO [stderr] warning: variant is never constructed: `Boolean`
Dec 04 22:19:42.806 INFO [stderr]   --> src/value.rs:12:3
Dec 04 22:19:42.806 INFO [stderr]    |
Dec 04 22:19:42.806 INFO [stderr] 12 |   Boolean(bool),
Dec 04 22:19:42.806 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 04 22:19:42.806 INFO [stderr] 
Dec 04 22:19:42.806 INFO [stderr] warning: method is never used: `create_variables`
Dec 04 22:19:42.806 INFO [stderr]   --> src/state.rs:12:3
Dec 04 22:19:42.806 INFO [stderr]    |
Dec 04 22:19:42.806 INFO [stderr] 12 |   fn create_variables(&self, names: Vec<String>) -> (State, Vec<Variable>) {
Dec 04 22:19:42.806 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.806 INFO [stderr] 
Dec 04 22:19:42.806 INFO [stderr] warning: method is never used: `assign_values`
Dec 04 22:19:42.806 INFO [stderr]   --> src/state.rs:20:3
Dec 04 22:19:42.806 INFO [stderr]    |
Dec 04 22:19:42.806 INFO [stderr] 20 |   fn assign_values(&self, new_vals: HashMap<String, Value>) -> State {
Dec 04 22:19:42.806 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.806 INFO [stderr] 
Dec 04 22:19:42.806 INFO [stderr] warning: method is never used: `value_of`
Dec 04 22:19:42.806 INFO [stderr]   --> src/state.rs:26:3
Dec 04 22:19:42.806 INFO [stderr]    |
Dec 04 22:19:42.806 INFO [stderr] 26 |   fn value_of(&self, variable: &Variable) -> Value {
Dec 04 22:19:42.806 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.806 INFO [stderr] 
Dec 04 22:19:42.806 INFO [stderr] warning: method is never used: `unify`
Dec 04 22:19:42.806 INFO [stderr]   --> src/state.rs:37:3
Dec 04 22:19:42.806 INFO [stderr]    |
Dec 04 22:19:42.806 INFO [stderr] 37 |   fn unify(&self, a: &Variable, b: &Variable) -> Option<State> {
Dec 04 22:19:42.806 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.806 INFO [stderr] 
Dec 04 22:19:42.927 INFO [stderr] warning: variant is never constructed: `Undefined`
Dec 04 22:19:42.927 INFO [stderr]  --> src/value.rs:6:3
Dec 04 22:19:42.927 INFO [stderr]   |
Dec 04 22:19:42.927 INFO [stderr] 6 |   Undefined,
Dec 04 22:19:42.927 INFO [stderr]   |   ^^^^^^^^^
Dec 04 22:19:42.927 INFO [stderr]   |
Dec 04 22:19:42.927 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 22:19:42.927 INFO [stderr] 
Dec 04 22:19:42.927 INFO [stderr] warning: variant is never constructed: `Variable`
Dec 04 22:19:42.927 INFO [stderr]  --> src/value.rs:7:3
Dec 04 22:19:42.927 INFO [stderr]   |
Dec 04 22:19:42.927 INFO [stderr] 7 |   Variable(Variable),
Dec 04 22:19:42.927 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.927 INFO [stderr] 
Dec 04 22:19:42.927 INFO [stderr] warning: variant is never constructed: `Object`
Dec 04 22:19:42.927 INFO [stderr]  --> src/value.rs:8:3
Dec 04 22:19:42.927 INFO [stderr]   |
Dec 04 22:19:42.927 INFO [stderr] 8 |   Object(HashMap<String, Value>),
Dec 04 22:19:42.927 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.927 INFO [stderr] 
Dec 04 22:19:42.927 INFO [stderr] warning: variant is never constructed: `String`
Dec 04 22:19:42.927 INFO [stderr]  --> src/value.rs:9:3
Dec 04 22:19:42.927 INFO [stderr]   |
Dec 04 22:19:42.927 INFO [stderr] 9 |   String(String),
Dec 04 22:19:42.927 INFO [stderr]   |   ^^^^^^^^^^^^^^
Dec 04 22:19:42.927 INFO [stderr] 
Dec 04 22:19:42.927 INFO [stderr] warning: variant is never constructed: `Array`
Dec 04 22:19:42.927 INFO [stderr]   --> src/value.rs:10:3
Dec 04 22:19:42.927 INFO [stderr]    |
Dec 04 22:19:42.927 INFO [stderr] 10 |   Array(Vec<Value>),
Dec 04 22:19:42.927 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.927 INFO [stderr] 
Dec 04 22:19:42.927 INFO [stderr] warning: variant is never constructed: `Number`
Dec 04 22:19:42.927 INFO [stderr]   --> src/value.rs:11:3
Dec 04 22:19:42.927 INFO [stderr]    |
Dec 04 22:19:42.927 INFO [stderr] 11 |   Number(u32),
Dec 04 22:19:42.927 INFO [stderr]    |   ^^^^^^^^^^^
Dec 04 22:19:42.927 INFO [stderr] 
Dec 04 22:19:42.927 INFO [stderr] warning: variant is never constructed: `Boolean`
Dec 04 22:19:42.927 INFO [stderr]   --> src/value.rs:12:3
Dec 04 22:19:42.927 INFO [stderr]    |
Dec 04 22:19:42.927 INFO [stderr] 12 |   Boolean(bool),
Dec 04 22:19:42.927 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 04 22:19:42.927 INFO [stderr] 
Dec 04 22:19:42.927 INFO [stderr] warning: method is never used: `create_variables`
Dec 04 22:19:42.927 INFO [stderr]   --> src/state.rs:12:3
Dec 04 22:19:42.927 INFO [stderr]    |
Dec 04 22:19:42.927 INFO [stderr] 12 |   fn create_variables(&self, names: Vec<String>) -> (State, Vec<Variable>) {
Dec 04 22:19:42.928 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.928 INFO [stderr] 
Dec 04 22:19:42.928 INFO [stderr] warning: method is never used: `assign_values`
Dec 04 22:19:42.928 INFO [stderr]   --> src/state.rs:20:3
Dec 04 22:19:42.928 INFO [stderr]    |
Dec 04 22:19:42.928 INFO [stderr] 20 |   fn assign_values(&self, new_vals: HashMap<String, Value>) -> State {
Dec 04 22:19:42.928 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.928 INFO [stderr] 
Dec 04 22:19:42.928 INFO [stderr] warning: method is never used: `value_of`
Dec 04 22:19:42.928 INFO [stderr]   --> src/state.rs:26:3
Dec 04 22:19:42.928 INFO [stderr]    |
Dec 04 22:19:42.928 INFO [stderr] 26 |   fn value_of(&self, variable: &Variable) -> Value {
Dec 04 22:19:42.928 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.928 INFO [stderr] 
Dec 04 22:19:42.928 INFO [stderr] warning: method is never used: `unify`
Dec 04 22:19:42.928 INFO [stderr]   --> src/state.rs:37:3
Dec 04 22:19:42.928 INFO [stderr]    |
Dec 04 22:19:42.928 INFO [stderr] 37 |   fn unify(&self, a: &Variable, b: &Variable) -> Option<State> {
Dec 04 22:19:42.928 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:42.928 INFO [stderr] 
Dec 04 22:19:42.943 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 04 22:19:42.943 INFO [stderr] su: No module specific data is present
Dec 04 22:19:43.308 INFO running `"docker" "inspect" "bcf177cb415cabba972cb6a20a1b9312f0629422fd9e17a77ed9e9d76b86939a"`
Dec 04 22:19:43.553 INFO running `"docker" "rm" "-f" "bcf177cb415cabba972cb6a20a1b9312f0629422fd9e17a77ed9e9d76b86939a"`
Dec 04 22:19:43.731 INFO [stdout] bcf177cb415cabba972cb6a20a1b9312f0629422fd9e17a77ed9e9d76b86939a