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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JashT14/symtrace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJashT14%2Fsymtrace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJashT14%2Fsymtrace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3deba0dbc5acbab38a7598d262945a3262aafbc2
[INFO] checking JashT14/symtrace against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJashT14%2Fsymtrace" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/JashT14/symtrace
[INFO] finished tweaking git repo https://github.com/JashT14/symtrace
[INFO] tweaked toml for git repo https://github.com/JashT14/symtrace written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JashT14/symtrace on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JashT14/symtrace 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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
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[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" "5c8198e09f6fe0fbd6972bd69b55e4f11b99efe06c6774196c850cea8088fcb4" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c8198e09f6fe0fbd6972bd69b55e4f11b99efe06c6774196c850cea8088fcb4", 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" "5c8198e09f6fe0fbd6972bd69b55e4f11b99efe06c6774196c850cea8088fcb4" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: function `parse_bytes` is never used
[INFO] [stdout]    --> src/ast_builder.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn parse_bytes(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_to_char_col` is never used
[INFO] [stdout]    --> src/ast_builder.rs:430:8
[INFO] [stdout]     |
[INFO] [stdout] 430 | pub fn byte_to_char_col(line: &str, byte_offset: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol_name`, `file_path`, `kind`, and `line` are never read
[INFO] [stdout]   --> src/call_graph.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CallGraphNode {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 23 |     pub symbol_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 24 |     pub file_path: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub kind: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 26 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CallGraphNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DataFlowTag` is never used
[INFO] [stdout]   --> src/data_flow.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum DataFlowTag {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DataFlowAnalysis` is never constructed
[INFO] [stdout]   --> src/data_flow.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct DataFlowAnalysis {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `analyze_intra_procedural_data_flow` is never used
[INFO] [stdout]   --> src/data_flow.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn analyze_intra_procedural_data_flow(old_fn: &AstNode, new_fn: &AstNode) -> DataFlowAnalysis {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_declared_variables` is never used
[INFO] [stdout]    --> src/data_flow.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn extract_declared_variables(node: &AstNode) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_return_expressions` is never used
[INFO] [stdout]    --> src/data_flow.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn extract_return_expressions(node: &AstNode) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_assignment_operators` is never used
[INFO] [stdout]    --> src/data_flow.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn extract_assignment_operators(node: &AstNode) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_def_use_isomorphism` is never used
[INFO] [stdout]    --> src/data_flow.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn verify_def_use_isomorphism(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_blob_bytes` is never used
[INFO] [stdout]   --> src/git_layer.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl SharedBlobReader {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn read_blob_bytes(&self, oid: git2::Oid) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_blob_bytes_by_oid` is never used
[INFO] [stdout]   --> src/git_layer.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn read_blob_bytes_by_oid(repo: &Repository, oid: git2::Oid) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `token_histogram_16` is never used
[INFO] [stdout]    --> src/node_identity.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 | pub fn token_histogram_16(tokens: &[String]) -> [u8; 16] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simd_jaccard_histogram_16` is never used
[INFO] [stdout]    --> src/node_identity.rs:298:8
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn simd_jaccard_histogram_16(hist_a: &[u8; 16], hist_b: &[u8; 16]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `detect_type_safe_refactors` is never used
[INFO] [stdout]   --> src/semantic_type.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn detect_type_safe_refactors(old_node: &AstNode, new_node: &AstNode) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_type_annotations` is never used
[INFO] [stdout]    --> src/semantic_type.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn extract_type_annotations(node: &AstNode) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol_name`, `file_path`, `kind`, and `line` are never read
[INFO] [stdout]   --> src/call_graph.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CallGraphNode {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 23 |     pub symbol_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 24 |     pub file_path: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub kind: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 26 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CallGraphNode` has derived impls for the traits `Clone` and `Debug`, 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: fields `return_expr_changed` and `confidence` are never read
[INFO] [stdout]   --> src/data_flow.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct DataFlowAnalysis {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub return_expr_changed: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |     pub confidence: f64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataFlowAnalysis` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_blob_bytes` is never used
[INFO] [stdout]   --> src/git_layer.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl SharedBlobReader {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn read_blob_bytes(&self, oid: git2::Oid) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_blob_bytes_by_oid` is never used
[INFO] [stdout]   --> src/git_layer.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn read_blob_bytes_by_oid(repo: &Repository, oid: git2::Oid) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.62s
[INFO] running `Command { std: "docker" "inspect" "5c8198e09f6fe0fbd6972bd69b55e4f11b99efe06c6774196c850cea8088fcb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8198e09f6fe0fbd6972bd69b55e4f11b99efe06c6774196c850cea8088fcb4", kill_on_drop: false }`
[INFO] [stdout] 5c8198e09f6fe0fbd6972bd69b55e4f11b99efe06c6774196c850cea8088fcb4
