[INFO] cloning repository https://github.com/voidedlegacy/ndc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voidedlegacy/ndc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidedlegacy%2Fndc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidedlegacy%2Fndc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7877627bc7453d562207aef676c2882f5df873e1
[INFO] checking voidedlegacy/ndc against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidedlegacy%2Fndc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/voidedlegacy/ndc
[INFO] finished tweaking git repo https://github.com/voidedlegacy/ndc
[INFO] tweaked toml for git repo https://github.com/voidedlegacy/ndc written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/voidedlegacy/ndc on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/voidedlegacy/ndc 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking voidedlegacy/ndc against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidedlegacy%2Fndc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/voidedlegacy/ndc
[INFO] finished tweaking git repo https://github.com/voidedlegacy/ndc
[INFO] tweaked toml for git repo https://github.com/voidedlegacy/ndc written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/voidedlegacy/ndc on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/voidedlegacy/ndc 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 401b43e33883f52807595eb1456a42c21ef060519d468349b75c64dab16876be
[INFO] running `Command { std: "docker" "start" "401b43e33883f52807595eb1456a42c21ef060519d468349b75c64dab16876be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "401b43e33883f52807595eb1456a42c21ef060519d468349b75c64dab16876be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "401b43e33883f52807595eb1456a42c21ef060519d468349b75c64dab16876be" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "401b43e33883f52807595eb1456a42c21ef060519d468349b75c64dab16876be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "401b43e33883f52807595eb1456a42c21ef060519d468349b75c64dab16876be" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking ndc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `ERROR_GENERIC`, `ERROR_SYNTAX`, and `ERROR_TODO` are never constructed
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | enum ErrorType {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 69 |     ERROR_GENERIC,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 70 |     ERROR_SYNTAX,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 71 |     ERROR_TODO,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ERROR_GENERIC`, `ERROR_SYNTAX`, and `ERROR_TODO` are never constructed
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | enum ErrorType {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 69 |     ERROR_GENERIC,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 70 |     ERROR_SYNTAX,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 71 |     ERROR_TODO,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NODE_TYPE_VARIABLE_DECLARATION_INITIALIZED` and `NODE_TYPE_BINARY_OPERATOR` are never constructed
[INFO] [stdout]    --> src/main.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 184 | enum NodeType {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 202 |     NODE_TYPE_VARIABLE_DECLARATION_INITIALIZED,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     NODE_TYPE_BINARY_OPERATOR,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NodeType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integerp` is never used
[INFO] [stdout]    --> src/main.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn integerp(node: &Node) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]    --> src/main.rs:424:5
[INFO] [stdout]     |
[INFO] [stdout] 423 | struct Environment {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] 424 |     parent: Option<Box<Environment>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NODE_TYPE_VARIABLE_DECLARATION_INITIALIZED` and `NODE_TYPE_BINARY_OPERATOR` are never constructed
[INFO] [stdout]    --> src/main.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 184 | enum NodeType {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 202 |     NODE_TYPE_VARIABLE_DECLARATION_INITIALIZED,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     NODE_TYPE_BINARY_OPERATOR,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NodeType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `environment_get_by_symbol` is never used
[INFO] [stdout]    --> src/main.rs:474:4
[INFO] [stdout]     |
[INFO] [stdout] 474 | fn environment_get_by_symbol(env: &Environment, symbol: &str, result: &mut Node) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integerp` is never used
[INFO] [stdout]    --> src/main.rs:246:4
[INFO] [stdout]     |
[INFO] [stdout] 246 | fn integerp(node: &Node) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variables` is never read
[INFO] [stdout]    --> src/main.rs:531:5
[INFO] [stdout]     |
[INFO] [stdout] 528 | struct ParsingContextStruct {
[INFO] [stdout]     |        -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 531 |     variables: Box<Environment>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]    --> src/main.rs:424:5
[INFO] [stdout]     |
[INFO] [stdout] 423 | struct Environment {
[INFO] [stdout]     |        ----------- field in this struct
[INFO] [stdout] 424 |     parent: Option<Box<Environment>>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `environment_get_by_symbol` is never used
[INFO] [stdout]    --> src/main.rs:474:4
[INFO] [stdout]     |
[INFO] [stdout] 474 | fn environment_get_by_symbol(env: &Environment, symbol: &str, result: &mut Node) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variables` is never read
[INFO] [stdout]    --> src/main.rs:531:5
[INFO] [stdout]     |
[INFO] [stdout] 528 | struct ParsingContextStruct {
[INFO] [stdout]     |        -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 531 |     variables: Box<Environment>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "401b43e33883f52807595eb1456a42c21ef060519d468349b75c64dab16876be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401b43e33883f52807595eb1456a42c21ef060519d468349b75c64dab16876be", kill_on_drop: false }`
[INFO] [stdout] 401b43e33883f52807595eb1456a42c21ef060519d468349b75c64dab16876be