[INFO] fetching crate dge-gen 0.2.0...
[INFO] testing dge-gen-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate dge-gen 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate dge-gen 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dge-gen 0.2.0
[INFO] finished tweaking crates.io crate dge-gen 0.2.0
[INFO] tweaked toml for crates.io crate dge-gen 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded askama_escape v0.2.0
[INFO] [stderr]   Downloaded humansize v1.1.1
[INFO] [stderr]   Downloaded askama v0.8.0
[INFO] [stderr]   Downloaded askama_derive v0.8.0
[INFO] [stderr]   Downloaded askama_shared v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5313b57403c67271f4c0d269fb06cd8869c93eb78356ce873d89d65583fb0292
[INFO] running `Command { std: "docker" "start" "-a" "5313b57403c67271f4c0d269fb06cd8869c93eb78356ce873d89d65583fb0292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5313b57403c67271f4c0d269fb06cd8869c93eb78356ce873d89d65583fb0292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5313b57403c67271f4c0d269fb06cd8869c93eb78356ce873d89d65583fb0292", kill_on_drop: false }`
[INFO] [stdout] 5313b57403c67271f4c0d269fb06cd8869c93eb78356ce873d89d65583fb0292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47de3f22cf93c03a444f378a72d44373a3e1ea1c062e71f933455c14ef385935
[INFO] running `Command { std: "docker" "start" "-a" "47de3f22cf93c03a444f378a72d44373a3e1ea1c062e71f933455c14ef385935", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling askama_shared v0.8.0
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]    Compiling askama v0.8.0
[INFO] [stderr]    Compiling dge-gen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/generate/graph.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let f = std::fs::OpenOptions::new()
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_index`
[INFO] [stdout]    --> src/generate/graph.rs:330:10
[INFO] [stdout]     |
[INFO] [stdout] 330 |         |node_index, node| node.name(),
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_index`
[INFO] [stdout]    --> src/generate/graph.rs:331:10
[INFO] [stdout]     |
[INFO] [stdout] 331 |         |edge_index, edge| format!("{}\n{}", edge.queue, edge.msg_type.trim_start_matches(&msg_prefix)),
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/generate/graph.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     let mut all_queues: Vec<_> = graph
[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: function `gen_string` is never used
[INFO] [stdout]  --> src/generate/rust.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn gen_string(s: String) -> String {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_opt_string` is never used
[INFO] [stdout]  --> src/generate/rust.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn gen_opt_string(s: Option<String>) -> String {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_vec_string` is never used
[INFO] [stdout]   --> src/generate/rust.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn gen_vec_string(ss: Vec<String>) -> String {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_error` is never read
[INFO] [stdout]   --> src/graph.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Graph {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub(crate) type_error: String,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "47de3f22cf93c03a444f378a72d44373a3e1ea1c062e71f933455c14ef385935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47de3f22cf93c03a444f378a72d44373a3e1ea1c062e71f933455c14ef385935", kill_on_drop: false }`
[INFO] [stdout] 47de3f22cf93c03a444f378a72d44373a3e1ea1c062e71f933455c14ef385935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bcd0e033afd8edffc1c397a6831c2b22ad9dcd846427ac0286c9e3dc94396f5
[INFO] running `Command { std: "docker" "start" "-a" "7bcd0e033afd8edffc1c397a6831c2b22ad9dcd846427ac0286c9e3dc94396f5", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/generate/graph.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let f = std::fs::OpenOptions::new()
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_index`
[INFO] [stdout]    --> src/generate/graph.rs:330:10
[INFO] [stdout]     |
[INFO] [stdout] 330 |         |node_index, node| node.name(),
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_index`
[INFO] [stdout]    --> src/generate/graph.rs:331:10
[INFO] [stdout]     |
[INFO] [stdout] 331 |         |edge_index, edge| format!("{}\n{}", edge.queue, edge.msg_type.trim_start_matches(&msg_prefix)),
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/generate/graph.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     let mut all_queues: Vec<_> = graph
[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: function `gen_string` is never used
[INFO] [stdout]  --> src/generate/rust.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn gen_string(s: String) -> String {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_opt_string` is never used
[INFO] [stdout]  --> src/generate/rust.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn gen_opt_string(s: Option<String>) -> String {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_vec_string` is never used
[INFO] [stdout]   --> src/generate/rust.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn gen_vec_string(ss: Vec<String>) -> String {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_error` is never read
[INFO] [stdout]   --> src/graph.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Graph {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub(crate) type_error: String,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dge-gen v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/generate/graph.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let f = std::fs::OpenOptions::new()
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_index`
[INFO] [stdout]    --> src/generate/graph.rs:330:10
[INFO] [stdout]     |
[INFO] [stdout] 330 |         |node_index, node| node.name(),
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edge_index`
[INFO] [stdout]    --> src/generate/graph.rs:331:10
[INFO] [stdout]     |
[INFO] [stdout] 331 |         |edge_index, edge| format!("{}\n{}", edge.queue, edge.msg_type.trim_start_matches(&msg_prefix)),
[INFO] [stdout]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/generate/graph.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     let mut all_queues: Vec<_> = graph
[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: function `gen_string` is never used
[INFO] [stdout]  --> src/generate/rust.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn gen_string(s: String) -> String {
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_opt_string` is never used
[INFO] [stdout]  --> src/generate/rust.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn gen_opt_string(s: Option<String>) -> String {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_vec_string` is never used
[INFO] [stdout]   --> src/generate/rust.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) fn gen_vec_string(ss: Vec<String>) -> String {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_error` is never read
[INFO] [stdout]   --> src/graph.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Graph {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub(crate) type_error: String,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7bcd0e033afd8edffc1c397a6831c2b22ad9dcd846427ac0286c9e3dc94396f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bcd0e033afd8edffc1c397a6831c2b22ad9dcd846427ac0286c9e3dc94396f5", kill_on_drop: false }`
[INFO] [stdout] 7bcd0e033afd8edffc1c397a6831c2b22ad9dcd846427ac0286c9e3dc94396f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5337923e1be3f85ff7179e5e5dfed1935d52b712354290bcd6f1440b773e0675
[INFO] running `Command { std: "docker" "start" "-a" "5337923e1be3f85ff7179e5e5dfed1935d52b712354290bcd6f1440b773e0675", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/generate/graph.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let f = std::fs::OpenOptions::new()
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_index`
[INFO] [stderr]    --> src/generate/graph.rs:330:10
[INFO] [stderr]     |
[INFO] [stderr] 330 |         |node_index, node| node.name(),
[INFO] [stderr]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edge_index`
[INFO] [stderr]    --> src/generate/graph.rs:331:10
[INFO] [stderr]     |
[INFO] [stderr] 331 |         |edge_index, edge| format!("{}\n{}", edge.queue, edge.msg_type.trim_start_matches(&msg_prefix)),
[INFO] [stderr]     |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/generate/graph.rs:336:9
[INFO] [stderr]     |
[INFO] [stderr] 336 |     let mut all_queues: Vec<_> = graph
[INFO] [stderr]     |         ----^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `gen_string` is never used
[INFO] [stderr]  --> src/generate/rust.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) fn gen_string(s: String) -> String {
[INFO] [stderr]   |               ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `gen_opt_string` is never used
[INFO] [stderr]  --> src/generate/rust.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) fn gen_opt_string(s: Option<String>) -> String {
[INFO] [stderr]   |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `gen_vec_string` is never used
[INFO] [stderr]   --> src/generate/rust.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub(crate) fn gen_vec_string(ss: Vec<String>) -> String {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `type_error` is never read
[INFO] [stderr]   --> src/graph.rs:77:16
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub struct Graph {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 77 |     pub(crate) type_error: String,
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dge-gen` (lib) generated 8 warnings (run `cargo fix --lib -p dge-gen` to apply 4 suggestions)
[INFO] [stderr] warning: `dge-gen` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dge_gen-372e6033f83ee6e0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dge-gen
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5337923e1be3f85ff7179e5e5dfed1935d52b712354290bcd6f1440b773e0675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5337923e1be3f85ff7179e5e5dfed1935d52b712354290bcd6f1440b773e0675", kill_on_drop: false }`
[INFO] [stdout] 5337923e1be3f85ff7179e5e5dfed1935d52b712354290bcd6f1440b773e0675
