Dec 04 22:19:41.889 INFO checking ashleygwilliams/relational_node-rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 22:19:41.890 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 22:19:42.212 INFO [stdout] 92b38a0bf9482bf9cdedebcf21c9cc24c050c682ca3b10769d2e5448fa94e039
Dec 04 22:19:42.218 INFO running `"docker" "start" "-a" "92b38a0bf9482bf9cdedebcf21c9cc24c050c682ca3b10769d2e5448fa94e039"`
Dec 04 22:19:43.146 INFO [stderr] usermod: no changes
Dec 04 22:19:43.179 INFO [stderr]     Checking relation_node v0.1.0 (/source)
Dec 04 22:19:43.603 INFO [stderr] warning: variant is never constructed: `Undefined`
Dec 04 22:19:43.603 INFO [stderr]  --> src/value.rs:6:3
Dec 04 22:19:43.603 INFO [stderr]   |
Dec 04 22:19:43.603 INFO [stderr] 6 |   Undefined,
Dec 04 22:19:43.603 INFO [stderr]   |   ^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr]   |
Dec 04 22:19:43.603 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.603 INFO [stderr] warning: variant is never constructed: `Variable`
Dec 04 22:19:43.603 INFO [stderr]  --> src/value.rs:7:3
Dec 04 22:19:43.603 INFO [stderr]   |
Dec 04 22:19:43.603 INFO [stderr] 7 |   Variable(Variable),
Dec 04 22:19:43.603 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.603 INFO [stderr] warning: variant is never constructed: `Object`
Dec 04 22:19:43.603 INFO [stderr]  --> src/value.rs:8:3
Dec 04 22:19:43.603 INFO [stderr]   |
Dec 04 22:19:43.603 INFO [stderr] 8 |   Object(HashMap<String, Value>),
Dec 04 22:19:43.603 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.603 INFO [stderr] warning: variant is never constructed: `String`
Dec 04 22:19:43.603 INFO [stderr]  --> src/value.rs:9:3
Dec 04 22:19:43.603 INFO [stderr]   |
Dec 04 22:19:43.603 INFO [stderr] 9 |   String(String),
Dec 04 22:19:43.603 INFO [stderr]   |   ^^^^^^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.603 INFO [stderr] warning: variant is never constructed: `Array`
Dec 04 22:19:43.603 INFO [stderr]   --> src/value.rs:10:3
Dec 04 22:19:43.603 INFO [stderr]    |
Dec 04 22:19:43.603 INFO [stderr] 10 |   Array(Vec<Value>),
Dec 04 22:19:43.603 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.603 INFO [stderr] warning: variant is never constructed: `Number`
Dec 04 22:19:43.603 INFO [stderr]   --> src/value.rs:11:3
Dec 04 22:19:43.603 INFO [stderr]    |
Dec 04 22:19:43.603 INFO [stderr] 11 |   Number(u32),
Dec 04 22:19:43.603 INFO [stderr]    |   ^^^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.603 INFO [stderr] warning: variant is never constructed: `Boolean`
Dec 04 22:19:43.603 INFO [stderr]   --> src/value.rs:12:3
Dec 04 22:19:43.603 INFO [stderr]    |
Dec 04 22:19:43.603 INFO [stderr] 12 |   Boolean(bool),
Dec 04 22:19:43.603 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.603 INFO [stderr] warning: method is never used: `create_variables`
Dec 04 22:19:43.603 INFO [stderr]   --> src/state.rs:12:3
Dec 04 22:19:43.603 INFO [stderr]    |
Dec 04 22:19:43.603 INFO [stderr] 12 |   fn create_variables(&self, names: Vec<String>) -> (State, Vec<Variable>) {
Dec 04 22:19:43.603 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.603 INFO [stderr] warning: method is never used: `assign_values`
Dec 04 22:19:43.603 INFO [stderr]   --> src/state.rs:20:3
Dec 04 22:19:43.603 INFO [stderr]    |
Dec 04 22:19:43.603 INFO [stderr] 20 |   fn assign_values(&self, new_vals: HashMap<String, Value>) -> State {
Dec 04 22:19:43.603 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.603 INFO [stderr] warning: method is never used: `value_of`
Dec 04 22:19:43.603 INFO [stderr]   --> src/state.rs:26:3
Dec 04 22:19:43.603 INFO [stderr]    |
Dec 04 22:19:43.603 INFO [stderr] 26 |   fn value_of(&self, variable: &Variable) -> Value {
Dec 04 22:19:43.603 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.603 INFO [stderr] warning: method is never used: `unify`
Dec 04 22:19:43.603 INFO [stderr]   --> src/state.rs:37:3
Dec 04 22:19:43.603 INFO [stderr]    |
Dec 04 22:19:43.603 INFO [stderr] 37 |   fn unify(&self, a: &Variable, b: &Variable) -> Option<State> {
Dec 04 22:19:43.603 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.603 INFO [stderr] 
Dec 04 22:19:43.675 INFO [stderr] warning: variant is never constructed: `Undefined`
Dec 04 22:19:43.675 INFO [stderr]  --> src/value.rs:6:3
Dec 04 22:19:43.675 INFO [stderr]   |
Dec 04 22:19:43.675 INFO [stderr] 6 |   Undefined,
Dec 04 22:19:43.675 INFO [stderr]   |   ^^^^^^^^^
Dec 04 22:19:43.675 INFO [stderr]   |
Dec 04 22:19:43.675 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 22:19:43.675 INFO [stderr] 
Dec 04 22:19:43.675 INFO [stderr] warning: variant is never constructed: `Variable`
Dec 04 22:19:43.675 INFO [stderr]  --> src/value.rs:7:3
Dec 04 22:19:43.675 INFO [stderr]   |
Dec 04 22:19:43.675 INFO [stderr] 7 |   Variable(Variable),
Dec 04 22:19:43.675 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.675 INFO [stderr] 
Dec 04 22:19:43.675 INFO [stderr] warning: variant is never constructed: `Object`
Dec 04 22:19:43.675 INFO [stderr]  --> src/value.rs:8:3
Dec 04 22:19:43.675 INFO [stderr]   |
Dec 04 22:19:43.675 INFO [stderr] 8 |   Object(HashMap<String, Value>),
Dec 04 22:19:43.675 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.675 INFO [stderr] 
Dec 04 22:19:43.675 INFO [stderr] warning: variant is never constructed: `String`
Dec 04 22:19:43.675 INFO [stderr]  --> src/value.rs:9:3
Dec 04 22:19:43.675 INFO [stderr]   |
Dec 04 22:19:43.675 INFO [stderr] 9 |   String(String),
Dec 04 22:19:43.675 INFO [stderr]   |   ^^^^^^^^^^^^^^
Dec 04 22:19:43.675 INFO [stderr] 
Dec 04 22:19:43.675 INFO [stderr] warning: variant is never constructed: `Array`
Dec 04 22:19:43.675 INFO [stderr]   --> src/value.rs:10:3
Dec 04 22:19:43.675 INFO [stderr]    |
Dec 04 22:19:43.675 INFO [stderr] 10 |   Array(Vec<Value>),
Dec 04 22:19:43.675 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.675 INFO [stderr] 
Dec 04 22:19:43.675 INFO [stderr] warning: variant is never constructed: `Number`
Dec 04 22:19:43.675 INFO [stderr]   --> src/value.rs:11:3
Dec 04 22:19:43.675 INFO [stderr]    |
Dec 04 22:19:43.675 INFO [stderr] 11 |   Number(u32),
Dec 04 22:19:43.675 INFO [stderr]    |   ^^^^^^^^^^^
Dec 04 22:19:43.675 INFO [stderr] 
Dec 04 22:19:43.675 INFO [stderr] warning: variant is never constructed: `Boolean`
Dec 04 22:19:43.675 INFO [stderr]   --> src/value.rs:12:3
Dec 04 22:19:43.675 INFO [stderr]    |
Dec 04 22:19:43.675 INFO [stderr] 12 |   Boolean(bool),
Dec 04 22:19:43.675 INFO [stderr]    |   ^^^^^^^^^^^^^
Dec 04 22:19:43.675 INFO [stderr] 
Dec 04 22:19:43.675 INFO [stderr] warning: method is never used: `create_variables`
Dec 04 22:19:43.675 INFO [stderr]   --> src/state.rs:12:3
Dec 04 22:19:43.675 INFO [stderr]    |
Dec 04 22:19:43.675 INFO [stderr] 12 |   fn create_variables(&self, names: Vec<String>) -> (State, Vec<Variable>) {
Dec 04 22:19:43.676 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.676 INFO [stderr] 
Dec 04 22:19:43.676 INFO [stderr] warning: method is never used: `assign_values`
Dec 04 22:19:43.676 INFO [stderr]   --> src/state.rs:20:3
Dec 04 22:19:43.676 INFO [stderr]    |
Dec 04 22:19:43.676 INFO [stderr] 20 |   fn assign_values(&self, new_vals: HashMap<String, Value>) -> State {
Dec 04 22:19:43.676 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.676 INFO [stderr] 
Dec 04 22:19:43.676 INFO [stderr] warning: method is never used: `value_of`
Dec 04 22:19:43.676 INFO [stderr]   --> src/state.rs:26:3
Dec 04 22:19:43.676 INFO [stderr]    |
Dec 04 22:19:43.676 INFO [stderr] 26 |   fn value_of(&self, variable: &Variable) -> Value {
Dec 04 22:19:43.676 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.676 INFO [stderr] 
Dec 04 22:19:43.676 INFO [stderr] warning: method is never used: `unify`
Dec 04 22:19:43.676 INFO [stderr]   --> src/state.rs:37:3
Dec 04 22:19:43.676 INFO [stderr]    |
Dec 04 22:19:43.676 INFO [stderr] 37 |   fn unify(&self, a: &Variable, b: &Variable) -> Option<State> {
Dec 04 22:19:43.676 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:19:43.676 INFO [stderr] 
Dec 04 22:19:43.700 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 04 22:19:43.701 INFO [stderr] su: No module specific data is present
Dec 04 22:19:44.076 INFO running `"docker" "inspect" "92b38a0bf9482bf9cdedebcf21c9cc24c050c682ca3b10769d2e5448fa94e039"`
Dec 04 22:19:44.369 INFO running `"docker" "rm" "-f" "92b38a0bf9482bf9cdedebcf21c9cc24c050c682ca3b10769d2e5448fa94e039"`
Dec 04 22:19:44.699 INFO [stdout] 92b38a0bf9482bf9cdedebcf21c9cc24c050c682ca3b10769d2e5448fa94e039