[INFO] cloning repository https://github.com/ashleygwilliams/relational_node-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashleygwilliams/relational_node-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashleygwilliams%2Frelational_node-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashleygwilliams%2Frelational_node-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d87ba77c54b3f92b2372fd07daba48055acd5477
[INFO] checking ashleygwilliams/relational_node-rust against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashleygwilliams%2Frelational_node-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ashleygwilliams/relational_node-rust on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ashleygwilliams/relational_node-rust
[INFO] finished tweaking git repo https://github.com/ashleygwilliams/relational_node-rust
[INFO] tweaked toml for git repo https://github.com/ashleygwilliams/relational_node-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ashleygwilliams/relational_node-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d8bdb2e10c19a03208aed7cfc0799780f70840926f440d5dde2b52c7b3008a6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d8bdb2e10c19a03208aed7cfc0799780f70840926f440d5dde2b52c7b3008a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d8bdb2e10c19a03208aed7cfc0799780f70840926f440d5dde2b52c7b3008a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8bdb2e10c19a03208aed7cfc0799780f70840926f440d5dde2b52c7b3008a6", kill_on_drop: false }`
[INFO] [stdout] 9d8bdb2e10c19a03208aed7cfc0799780f70840926f440d5dde2b52c7b3008a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f467f04d6fa7d96856a17f6b2072044e943546bca625ca3ddb32e9468351a32c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f467f04d6fa7d96856a17f6b2072044e943546bca625ca3ddb32e9468351a32c", kill_on_drop: false }`
[INFO] [stderr]     Checking relation_node v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Undefined`
[INFO] [stdout]  --> src/value.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   Undefined,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]  --> src/value.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   Variable(Variable),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Object`
[INFO] [stdout]  --> src/value.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   Object(HashMap<String, Value>),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]  --> src/value.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   String(String),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> src/value.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   Array(Vec<Value>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/value.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   Number(u32),
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/value.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   Boolean(bool),
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_variables`
[INFO] [stdout]   --> src/state.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn create_variables(&self, names: Vec<String>) -> (State, Vec<Variable>) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assign_values`
[INFO] [stdout]   --> src/state.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn assign_values(&self, new_vals: HashMap<String, Value>) -> State {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value_of`
[INFO] [stdout]   --> src/state.rs:26:6
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn value_of(&self, variable: &Variable) -> Value {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unify`
[INFO] [stdout]   --> src/state.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 |   fn unify(&self, a: &Variable, b: &Variable) -> Option<State> {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Undefined`
[INFO] [stdout]  --> src/value.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 |   Undefined,
[INFO] [stdout]   |   ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]  --> src/value.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   Variable(Variable),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Object`
[INFO] [stdout]  --> src/value.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   Object(HashMap<String, Value>),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]  --> src/value.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   String(String),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> src/value.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   Array(Vec<Value>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/value.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   Number(u32),
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/value.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   Boolean(bool),
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_variables`
[INFO] [stdout]   --> src/state.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn create_variables(&self, names: Vec<String>) -> (State, Vec<Variable>) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assign_values`
[INFO] [stdout]   --> src/state.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn assign_values(&self, new_vals: HashMap<String, Value>) -> State {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value_of`
[INFO] [stdout]   --> src/state.rs:26:6
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn value_of(&self, variable: &Variable) -> Value {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unify`
[INFO] [stdout]   --> src/state.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 |   fn unify(&self, a: &Variable, b: &Variable) -> Option<State> {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "f467f04d6fa7d96856a17f6b2072044e943546bca625ca3ddb32e9468351a32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f467f04d6fa7d96856a17f6b2072044e943546bca625ca3ddb32e9468351a32c", kill_on_drop: false }`
[INFO] [stdout] f467f04d6fa7d96856a17f6b2072044e943546bca625ca3ddb32e9468351a32c