[INFO] fetching crate graphviz-rust 0.1.2...
[INFO] checking graphviz-rust-0.1.2 against try#c05ee43175e02d208faed1fcc0f436c56e48bba6 for pr-92413
[INFO] extracting crate graphviz-rust 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate graphviz-rust 0.1.2 on toolchain c05ee43175e02d208faed1fcc0f436c56e48bba6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphviz-rust 0.1.2
[INFO] finished tweaking crates.io crate graphviz-rust 0.1.2
[INFO] tweaked toml for crates.io crate graphviz-rust 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dot-generator v0.1.0
[INFO] [stderr]   Downloaded into-attr v0.1.0
[INFO] [stderr]   Downloaded into-attr-derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 616da3b77e05a9e1d0d0174c1a5270f8608eb55566c47c0b4ecd7ebcfadb2470
[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" "616da3b77e05a9e1d0d0174c1a5270f8608eb55566c47c0b4ecd7ebcfadb2470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "616da3b77e05a9e1d0d0174c1a5270f8608eb55566c47c0b4ecd7ebcfadb2470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616da3b77e05a9e1d0d0174c1a5270f8608eb55566c47c0b4ecd7ebcfadb2470", kill_on_drop: false }`
[INFO] [stdout] 616da3b77e05a9e1d0d0174c1a5270f8608eb55566c47c0b4ecd7ebcfadb2470
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9136090890dd4cd43af1e5e4d97e197772d391a45231b9b1359996e301161b18
[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" "9136090890dd4cd43af1e5e4d97e197772d391a45231b9b1359996e301161b18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling dot-structures v0.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking dot-generator v0.1.0
[INFO] [stderr]     Checking into-attr v0.1.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling into-attr-derive v0.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking graphviz-rust v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/attributes/mod.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | /// support of the x11 color scheme
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/cmd.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::io::{self, Error, Write};
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/cmd.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::RuleType`
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pest::RuleType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime parameter `'a` never used
[INFO] [stdout]    --> src/parser.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn process_edge<'a>(rule: Pair<Rule>) -> Vec<Vertex> {
[INFO] [stdout]     |                -^^- help: elide the unused lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/attributes/mod.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | /// support of the x11 color scheme
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`
[INFO] [stdout]    --> src/attributes/mod.rs:311:20
[INFO] [stdout]     |
[INFO] [stdout] 311 |     use std::fmt::{Display, Formatter};
[INFO] [stdout]     |                    ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/cmd.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::io::{self, Error, Write};
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]   --> src/cmd.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | use std::str;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::RuleType`
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pest::RuleType;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::error::Error`
[INFO] [stdout]    --> src/parser.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     use pest::error::Error;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pairs`
[INFO] [stdout]    --> src/parser.rs:213:33
[INFO] [stdout]     |
[INFO] [stdout] 213 |     use pest::iterators::{Pair, Pairs};
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::RuleType`
[INFO] [stdout]    --> src/parser.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     use pest::RuleType;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DotParser`, `down`
[INFO] [stdout]    --> src/parser.rs:217:35
[INFO] [stdout]     |
[INFO] [stdout] 217 |     use crate::parser::{do_parse, DotParser, down, parse, process_attr, process_attr_list, process_attr_stmt, process_edge, process_edge_...
[INFO] [stdout]     |                                   ^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pest::Parser`
[INFO] [stdout]    --> src/parser.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     use crate::pest::Parser;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]    --> src/lib.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use std::path::{Path, PathBuf};
[INFO] [stdout]     |                     ^^^^  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | mod tests {
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime parameter `'a` never used
[INFO] [stdout]    --> src/parser.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn process_edge<'a>(rule: Pair<Rule>) -> Vec<Vertex> {
[INFO] [stdout]     |                -^^- help: elide the unused lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `strict`
[INFO] [stdout]    --> src/printer.rs:236:32
[INFO] [stdout]     |
[INFO] [stdout] 236 |             Graph::Graph { id, strict, stmts } => {
[INFO] [stdout]     |                                ^^^^^^ help: try ignoring the field: `strict: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `strict`
[INFO] [stdout]    --> src/printer.rs:246:34
[INFO] [stdout]     |
[INFO] [stdout] 246 |             Graph::DiGraph { id, strict, stmts } => {
[INFO] [stdout]     |                                  ^^^^^^ help: try ignoring the field: `strict: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `strict`
[INFO] [stdout]    --> src/printer.rs:236:32
[INFO] [stdout]     |
[INFO] [stdout] 236 |             Graph::Graph { id, strict, stmts } => {
[INFO] [stdout]     |                                ^^^^^^ help: try ignoring the field: `strict: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `strict`
[INFO] [stdout]    --> src/printer.rs:246:34
[INFO] [stdout]     |
[INFO] [stdout] 246 |             Graph::DiGraph { id, strict, stmts } => {
[INFO] [stdout]     |                                  ^^^^^^ help: try ignoring the field: `strict: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn exec(graph: Graph, mut ctx: PrinterContext, args: Vec<CommandArg>) -> io::Result<String> {
[INFO] [stdout]     |                           ----^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:107:27
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn exec(graph: Graph, mut ctx: PrinterContext, args: Vec<CommandArg>) -> io::Result<String> {
[INFO] [stdout]     |                           ----^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut g = graph!(id!("id");
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Damping` should have a snake case name
[INFO] [stdout]   --> src/attributes/mod.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 | generate_attr!(struct Damping for GraphAttributes;f32;0.99);
[INFO] [stdout]    |                       ^^^^^^^ help: convert the identifier to snake case: `damping`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `edgeURL` should have a snake case name
[INFO] [stdout]   --> src/attributes/mod.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 | generate_attr!(struct edgeURL for EdgeAttributes; String );
[INFO] [stdout]    |                       ^^^^^^^ help: convert the identifier to snake case: `edge_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `headURL` should have a snake case name
[INFO] [stdout]   --> src/attributes/mod.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 | generate_attr!(struct headURL for EdgeAttributes; String;"".to_string());
[INFO] [stdout]    |                       ^^^^^^^ help: convert the identifier to snake case: `head_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `K` should have a snake case name
[INFO] [stdout]    --> src/attributes/mod.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 | generate_attr!(struct K for GraphAttributes,SubgraphAttributes; f32;0.3);
[INFO] [stdout]     |                       ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `labelURL` should have a snake case name
[INFO] [stdout]    --> src/attributes/mod.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 | generate_attr!(struct labelURL for EdgeAttributes; String);
[INFO] [stdout]     |                       ^^^^^^^^ help: convert the identifier to snake case: `label_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tailURL` should have a snake case name
[INFO] [stdout]    --> src/attributes/mod.rs:207:23
[INFO] [stdout]     |
[INFO] [stdout] 207 | generate_attr!(struct tailURL for EdgeAttributes; String);
[INFO] [stdout]     |                       ^^^^^^^ help: convert the identifier to snake case: `tail_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `URL` should have a snake case name
[INFO] [stdout]    --> src/attributes/mod.rs:210:23
[INFO] [stdout]     |
[INFO] [stdout] 210 | generate_attr!(struct URL for EdgeAttributes,GraphAttributes,NodeAttributes,SubgraphAttributes; String);
[INFO] [stdout]     |                       ^^^ help: convert the identifier to snake case: `url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         std::fs::remove_file(p);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `graphviz-rust` due to 2 previous errors; 25 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `Damping` should have a snake case name
[INFO] [stdout]   --> src/attributes/mod.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 | generate_attr!(struct Damping for GraphAttributes;f32;0.99);
[INFO] [stdout]    |                       ^^^^^^^ help: convert the identifier to snake case: `damping`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `edgeURL` should have a snake case name
[INFO] [stdout]   --> src/attributes/mod.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 | generate_attr!(struct edgeURL for EdgeAttributes; String );
[INFO] [stdout]    |                       ^^^^^^^ help: convert the identifier to snake case: `edge_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `headURL` should have a snake case name
[INFO] [stdout]   --> src/attributes/mod.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 | generate_attr!(struct headURL for EdgeAttributes; String;"".to_string());
[INFO] [stdout]    |                       ^^^^^^^ help: convert the identifier to snake case: `head_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `K` should have a snake case name
[INFO] [stdout]    --> src/attributes/mod.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 | generate_attr!(struct K for GraphAttributes,SubgraphAttributes; f32;0.3);
[INFO] [stdout]     |                       ^ help: convert the identifier to snake case (notice the capitalization): `k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `labelURL` should have a snake case name
[INFO] [stdout]    --> src/attributes/mod.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 | generate_attr!(struct labelURL for EdgeAttributes; String);
[INFO] [stdout]     |                       ^^^^^^^^ help: convert the identifier to snake case: `label_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tailURL` should have a snake case name
[INFO] [stdout]    --> src/attributes/mod.rs:207:23
[INFO] [stdout]     |
[INFO] [stdout] 207 | generate_attr!(struct tailURL for EdgeAttributes; String);
[INFO] [stdout]     |                       ^^^^^^^ help: convert the identifier to snake case: `tail_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `URL` should have a snake case name
[INFO] [stdout]    --> src/attributes/mod.rs:210:23
[INFO] [stdout]     |
[INFO] [stdout] 210 | generate_attr!(struct URL for EdgeAttributes,GraphAttributes,NodeAttributes,SubgraphAttributes; String);
[INFO] [stdout]     |                       ^^^ help: convert the identifier to snake case: `url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9136090890dd4cd43af1e5e4d97e197772d391a45231b9b1359996e301161b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9136090890dd4cd43af1e5e4d97e197772d391a45231b9b1359996e301161b18", kill_on_drop: false }`
[INFO] [stdout] 9136090890dd4cd43af1e5e4d97e197772d391a45231b9b1359996e301161b18