[INFO] fetching crate ndot 0.0.0...
[INFO] building ndot-0.0.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ndot 0.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ndot 0.0.0
[INFO] finished tweaking crates.io crate ndot 0.0.0
[INFO] tweaked toml for crates.io crate ndot 0.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ndot 0.0.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ndot 0.0.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.5.30
[INFO] [stderr]   Downloaded env v1.0.1
[INFO] [stderr]   Downloaded clap_builder v4.5.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de3bd335adb838e54d44e46cb3baa708f77d8c3f53d9d56f6bf01e6490aeedd0
[INFO] running `Command { std: "docker" "start" "-a" "de3bd335adb838e54d44e46cb3baa708f77d8c3f53d9d56f6bf01e6490aeedd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de3bd335adb838e54d44e46cb3baa708f77d8c3f53d9d56f6bf01e6490aeedd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3bd335adb838e54d44e46cb3baa708f77d8c3f53d9d56f6bf01e6490aeedd0", kill_on_drop: false }`
[INFO] [stdout] de3bd335adb838e54d44e46cb3baa708f77d8c3f53d9d56f6bf01e6490aeedd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d80cb5fc0b08902db0ef5fdd3d21bff2b611b3a5086ad8e2033e79cbaa6155
[INFO] running `Command { std: "docker" "start" "-a" "48d80cb5fc0b08902db0ef5fdd3d21bff2b611b3a5086ad8e2033e79cbaa6155", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling env v1.0.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap_builder v4.5.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling clap v4.5.30
[INFO] [stderr]    Compiling ndot v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tokenize::tokenize`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tokenize::tokenize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tokenize`
[INFO] [stdout]  --> src/graph.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tokenize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/layout.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Position`
[INFO] [stdout]  --> src/svg.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::layout::{self, Position};
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `vec_of_strings`
[INFO] [stdout]  --> src/tokenize.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! vec_of_strings {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_node`
[INFO] [stdout]    --> src/layout.rs:246:13
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let source_node = graph.nodes.iter().find(|n| n.id == edge.source_id).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]    --> src/layout.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |     let start_time = Instant::now();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layer_idx`
[INFO] [stdout]    --> src/layout.rs:364:10
[INFO] [stdout]     |
[INFO] [stdout] 364 |     for (layer_idx, layer) in layers.iter().enumerate() {
[INFO] [stdout]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_layer_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Port` is more private than the item `NodeID::port`
[INFO] [stdout]     --> src/ast.rs:197:5
[INFO] [stdout]      |
[INFO] [stdout]  197 |     pub port: Option<Port>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^ field `NodeID::port` is reachable at visibility `pub(crate)`
[INFO] [stdout]      |
[INFO] [stdout] note: but type `Port` is only usable at visibility `pub(self)`
[INFO] [stdout]     --> src/ast.rs:1678:1
[INFO] [stdout]      |
[INFO] [stdout] 1678 | enum Port {
[INFO] [stdout]      | ^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AttrStmt` is more private than the item `Stmt::AttrStmt::0`
[INFO] [stdout]     --> src/ast.rs:677:14
[INFO] [stdout]      |
[INFO] [stdout]  677 |     AttrStmt(AttrStmt),
[INFO] [stdout]      |              ^^^^^^^^ field `Stmt::AttrStmt::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]      |
[INFO] [stdout] note: but type `AttrStmt` is only usable at visibility `pub(self)`
[INFO] [stdout]     --> src/ast.rs:1556:1
[INFO] [stdout]      |
[INFO] [stdout] 1556 | struct AttrStmt {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IDEqStmt` is more private than the item `Stmt::IDEqStmt::0`
[INFO] [stdout]    --> src/ast.rs:678:14
[INFO] [stdout]     |
[INFO] [stdout] 678 |     IDEqStmt(IDEqStmt),
[INFO] [stdout]     |              ^^^^^^^^ field `Stmt::IDEqStmt::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `IDEqStmt` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/ast.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | struct IDEqStmt {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ARROW_SIZE` is never used
[INFO] [stdout]  --> src/svg.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const ARROW_SIZE: i32 = 10;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.58s
[INFO] running `Command { std: "docker" "inspect" "48d80cb5fc0b08902db0ef5fdd3d21bff2b611b3a5086ad8e2033e79cbaa6155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d80cb5fc0b08902db0ef5fdd3d21bff2b611b3a5086ad8e2033e79cbaa6155", kill_on_drop: false }`
[INFO] [stdout] 48d80cb5fc0b08902db0ef5fdd3d21bff2b611b3a5086ad8e2033e79cbaa6155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dda6f3b76cfbde8885a418c45944e8abece32b15ea815c9a28ac9a191bd0adaf
[INFO] running `Command { std: "docker" "start" "-a" "dda6f3b76cfbde8885a418c45944e8abece32b15ea815c9a28ac9a191bd0adaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndot v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tokenize::tokenize`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tokenize::tokenize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tokenize`
[INFO] [stdout]  --> src/graph.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tokenize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/layout.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Position`
[INFO] [stdout]  --> src/svg.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::layout::{self, Position};
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `vec_of_strings`
[INFO] [stdout]  --> src/tokenize.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! vec_of_strings {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_node`
[INFO] [stdout]    --> src/layout.rs:246:13
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let source_node = graph.nodes.iter().find(|n| n.id == edge.source_id).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]    --> src/layout.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |     let start_time = Instant::now();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layer_idx`
[INFO] [stdout]    --> src/layout.rs:364:10
[INFO] [stdout]     |
[INFO] [stdout] 364 |     for (layer_idx, layer) in layers.iter().enumerate() {
[INFO] [stdout]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_layer_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Port` is more private than the item `NodeID::port`
[INFO] [stdout]     --> src/ast.rs:197:5
[INFO] [stdout]      |
[INFO] [stdout]  197 |     pub port: Option<Port>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^ field `NodeID::port` is reachable at visibility `pub(crate)`
[INFO] [stdout]      |
[INFO] [stdout] note: but type `Port` is only usable at visibility `pub(self)`
[INFO] [stdout]     --> src/ast.rs:1678:1
[INFO] [stdout]      |
[INFO] [stdout] 1678 | enum Port {
[INFO] [stdout]      | ^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AttrStmt` is more private than the item `Stmt::AttrStmt::0`
[INFO] [stdout]     --> src/ast.rs:677:14
[INFO] [stdout]      |
[INFO] [stdout]  677 |     AttrStmt(AttrStmt),
[INFO] [stdout]      |              ^^^^^^^^ field `Stmt::AttrStmt::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]      |
[INFO] [stdout] note: but type `AttrStmt` is only usable at visibility `pub(self)`
[INFO] [stdout]     --> src/ast.rs:1556:1
[INFO] [stdout]      |
[INFO] [stdout] 1556 | struct AttrStmt {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IDEqStmt` is more private than the item `Stmt::IDEqStmt::0`
[INFO] [stdout]    --> src/ast.rs:678:14
[INFO] [stdout]     |
[INFO] [stdout] 678 |     IDEqStmt(IDEqStmt),
[INFO] [stdout]     |              ^^^^^^^^ field `Stmt::IDEqStmt::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `IDEqStmt` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/ast.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | struct IDEqStmt {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ARROW_SIZE` is never used
[INFO] [stdout]  --> src/svg.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const ARROW_SIZE: i32 = 10;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tokenize`
[INFO] [stdout]  --> src/graph.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tokenize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/layout.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Position`
[INFO] [stdout]  --> src/svg.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::layout::{self, Position};
[INFO] [stdout]   |                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_node`
[INFO] [stdout]    --> src/layout.rs:246:13
[INFO] [stdout]     |
[INFO] [stdout] 246 |         let source_node = graph.nodes.iter().find(|n| n.id == edge.source_id).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]    --> src/layout.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |     let start_time = Instant::now();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layer_idx`
[INFO] [stdout]    --> src/layout.rs:364:10
[INFO] [stdout]     |
[INFO] [stdout] 364 |     for (layer_idx, layer) in layers.iter().enumerate() {
[INFO] [stdout]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_layer_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Port` is more private than the item `NodeID::port`
[INFO] [stdout]     --> src/ast.rs:197:5
[INFO] [stdout]      |
[INFO] [stdout]  197 |     pub port: Option<Port>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^ field `NodeID::port` is reachable at visibility `pub(crate)`
[INFO] [stdout]      |
[INFO] [stdout] note: but type `Port` is only usable at visibility `pub(self)`
[INFO] [stdout]     --> src/ast.rs:1678:1
[INFO] [stdout]      |
[INFO] [stdout] 1678 | enum Port {
[INFO] [stdout]      | ^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AttrStmt` is more private than the item `Stmt::AttrStmt::0`
[INFO] [stdout]     --> src/ast.rs:677:14
[INFO] [stdout]      |
[INFO] [stdout]  677 |     AttrStmt(AttrStmt),
[INFO] [stdout]      |              ^^^^^^^^ field `Stmt::AttrStmt::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]      |
[INFO] [stdout] note: but type `AttrStmt` is only usable at visibility `pub(self)`
[INFO] [stdout]     --> src/ast.rs:1556:1
[INFO] [stdout]      |
[INFO] [stdout] 1556 | struct AttrStmt {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IDEqStmt` is more private than the item `Stmt::IDEqStmt::0`
[INFO] [stdout]    --> src/ast.rs:678:14
[INFO] [stdout]     |
[INFO] [stdout] 678 |     IDEqStmt(IDEqStmt),
[INFO] [stdout]     |              ^^^^^^^^ field `Stmt::IDEqStmt::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `IDEqStmt` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/ast.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | struct IDEqStmt {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ARROW_SIZE` is never used
[INFO] [stdout]  --> src/svg.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const ARROW_SIZE: i32 = 10;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "dda6f3b76cfbde8885a418c45944e8abece32b15ea815c9a28ac9a191bd0adaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda6f3b76cfbde8885a418c45944e8abece32b15ea815c9a28ac9a191bd0adaf", kill_on_drop: false }`
[INFO] [stdout] dda6f3b76cfbde8885a418c45944e8abece32b15ea815c9a28ac9a191bd0adaf