[INFO] cloning repository https://github.com/danicampa90/helmod-graphviz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danicampa90/helmod-graphviz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanicampa90%2Fhelmod-graphviz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanicampa90%2Fhelmod-graphviz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76aa907d152c762932d9ed2c2e287ab6f7ac47e7
[INFO] checking danicampa90/helmod-graphviz/76aa907d152c762932d9ed2c2e287ab6f7ac47e7 against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanicampa90%2Fhelmod-graphviz" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/danicampa90/helmod-graphviz
[INFO] finished tweaking git repo https://github.com/danicampa90/helmod-graphviz
[INFO] tweaked toml for git repo https://github.com/danicampa90/helmod-graphviz written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danicampa90/helmod-graphviz on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danicampa90/helmod-graphviz 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f62ed33e5ddc46dfc58ff90cf9acaba434ad8cd46c3235407103c0341b4ef9a3
[INFO] running `Command { std: "docker" "start" "f62ed33e5ddc46dfc58ff90cf9acaba434ad8cd46c3235407103c0341b4ef9a3", 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" "f62ed33e5ddc46dfc58ff90cf9acaba434ad8cd46c3235407103c0341b4ef9a3" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f62ed33e5ddc46dfc58ff90cf9acaba434ad8cd46c3235407103c0341b4ef9a3", 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" "f62ed33e5ddc46dfc58ff90cf9acaba434ad8cd46c3235407103c0341b4ef9a3" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking miniz_oxide v0.4.4
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling helmod-planner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `Debug`
[INFO] [stdout]    --> src/main.rs:135:7
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[cfg(Debug)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(Debug)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(Debug)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3561:5
[INFO] [stdout]      |
[INFO] [stdout] 3561 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3561 -     (__0)
[INFO] [stdout] 3561 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3572:5
[INFO] [stdout]      |
[INFO] [stdout] 3572 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3572 -     (__0)
[INFO] [stdout] 3572 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3680:5
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!(format!("{:?}", __0))}
[INFO] [stdout]      |     ^^                            ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout] 3680 -     { panic!(format!("{:?}", __0))}
[INFO] [stdout] 3680 +     panic!(format!("{:?}", __0))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3817:5
[INFO] [stdout]      |
[INFO] [stdout] 3817 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3817 -     (__0)
[INFO] [stdout] 3817 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3875:5
[INFO] [stdout]      |
[INFO] [stdout] 3875 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3875 -     (__0)
[INFO] [stdout] 3875 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Recipe`
[INFO] [stdout]  --> src/dot_writer.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::recipes::{Recipe, RecipeDatabase};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/dot_writer.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             match (recipes.get_recipe(&prod_recipe.name)) {
[INFO] [stdout]    |                   ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -             match (recipes.get_recipe(&prod_recipe.name)) {
[INFO] [stdout] 58 +             match recipes.get_recipe(&prod_recipe.name)  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LuaArray` and `LuaValue`
[INFO] [stdout]  --> src/productionchain/productionchainparser.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{CastError, IndexingError, LuaArray, LuaObject, LuaValue};
[INFO] [stdout]   |                                            ^^^^^^^^             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/recipes.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |             if (nodes.is_object() && nodes.as_object().unwrap().len() == 0) {
[INFO] [stdout]    |                ^                                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -             if (nodes.is_object() && nodes.as_object().unwrap().len() == 0) {
[INFO] [stdout] 68 +             if nodes.is_object() && nodes.as_object().unwrap().len() == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:71:19
[INFO] [stdout]    |
[INFO] [stdout] 71 |             match (recipes_result) {
[INFO] [stdout]    |                   ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             match (recipes_result) {
[INFO] [stdout] 71 +             match recipes_result {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `Debug`
[INFO] [stdout]    --> src/main.rs:135:7
[INFO] [stdout]     |
[INFO] [stdout] 135 | #[cfg(Debug)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(Debug)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(Debug)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3561:5
[INFO] [stdout]      |
[INFO] [stdout] 3561 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3561 -     (__0)
[INFO] [stdout] 3561 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3572:5
[INFO] [stdout]      |
[INFO] [stdout] 3572 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3572 -     (__0)
[INFO] [stdout] 3572 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3680:5
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!(format!("{:?}", __0))}
[INFO] [stdout]      |     ^^                            ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout] 3680 -     { panic!(format!("{:?}", __0))}
[INFO] [stdout] 3680 +     panic!(format!("{:?}", __0))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3817:5
[INFO] [stdout]      |
[INFO] [stdout] 3817 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3817 -     (__0)
[INFO] [stdout] 3817 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3875:5
[INFO] [stdout]      |
[INFO] [stdout] 3875 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3875 -     (__0)
[INFO] [stdout] 3875 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Recipe`
[INFO] [stdout]  --> src/dot_writer.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::recipes::{Recipe, RecipeDatabase};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/dot_writer.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             match (recipes.get_recipe(&prod_recipe.name)) {
[INFO] [stdout]    |                   ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -             match (recipes.get_recipe(&prod_recipe.name)) {
[INFO] [stdout] 58 +             match recipes.get_recipe(&prod_recipe.name)  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::grammar`
[INFO] [stdout]  --> src/grammar_tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::grammar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | mod grammar_tests;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LuaArray` and `LuaValue`
[INFO] [stdout]  --> src/productionchain/productionchainparser.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{CastError, IndexingError, LuaArray, LuaObject, LuaValue};
[INFO] [stdout]   |                                            ^^^^^^^^             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/recipes.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |             if (nodes.is_object() && nodes.as_object().unwrap().len() == 0) {
[INFO] [stdout]    |                ^                                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 68 -             if (nodes.is_object() && nodes.as_object().unwrap().len() == 0) {
[INFO] [stdout] 68 +             if nodes.is_object() && nodes.as_object().unwrap().len() == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:71:19
[INFO] [stdout]    |
[INFO] [stdout] 71 |             match (recipes_result) {
[INFO] [stdout]    |                   ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             match (recipes_result) {
[INFO] [stdout] 71 +             match recipes_result {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ingredients_node`
[INFO] [stdout]   --> src/recipes.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let ingredients_node = return Ok(Recipe {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ingredients_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_makefile` is never used
[INFO] [stdout]    --> src/dot_writer.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn generate_makefile(count: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ItemQtyList` is never used
[INFO] [stdout]  --> src/productionchain.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type ItemQtyList = Vec<(String, f64)>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `products` and `ingredients` are never read
[INFO] [stdout]  --> src/productionchain.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ProductionChain {
[INFO] [stdout]   |            --------------- fields in this struct
[INFO] [stdout] 8 |     pub products: Vec<(String, f64)>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 9 |     pub ingredients: Vec<(String, f64)>,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ProductionChain` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/productionchain.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ProductionBlock {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 15 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProductionBlock` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `type_`, `factory_name`, `factory_count`, and `factory_speed` are never read
[INFO] [stdout]   --> src/productionchain.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ProductionRecipe {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 24 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 25 |     pub name: String,
[INFO] [stdout] 26 |     pub type_: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub factory_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 30 |     pub factory_count: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 31 |     pub factory_speed: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProductionRecipe` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/productionchain/productionchainparser.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     CastError(CastError),
[INFO] [stdout]   |     --------- ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConversionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     CastError(CastError),
[INFO] [stdout] 8 +     CastError(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/productionchain/productionchainparser.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     IndexingError(IndexingError),
[INFO] [stdout]   |     ------------- ^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConversionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     IndexingError(IndexingError),
[INFO] [stdout] 9 +     IndexingError(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `type_`, `amount_max`, and `probability` are never read
[INFO] [stdout]   --> src/recipes.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct IngredientProductInfo {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout]  7 |     pub type_: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub amount_max: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub probability: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `category` is never read
[INFO] [stdout]   --> src/recipes.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Recipe {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 16 |     pub id: String,
[INFO] [stdout] 17 |     pub category: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/recipes.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     FieldNotExistsError(&'static str),
[INFO] [stdout]    |     ------------------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONParsingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -     FieldNotExistsError(&'static str),
[INFO] [stdout] 28 +     FieldNotExistsError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/recipes.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     InvalidType(&'static str),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONParsingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     InvalidType(&'static str),
[INFO] [stdout] 29 +     InvalidType(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3680:14
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!(format!("{:?}", __0))}
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 3680 -     { panic!(format!("{:?}", __0))}
[INFO] [stdout] 3680 +     { panic!("{:?}", __0)}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:52:56
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get<'a>(&'a self, val: &LuaValue) -> Result<&LuaValue, IndexingError> {
[INFO] [stdout]    |                     -- the lifetime is named here      ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get<'a>(&'a self, val: &LuaValue) -> Result<&'a LuaValue, IndexingError> {
[INFO] [stdout]    |                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             writeln!(file, r#"  "{0}" [label = "{0}" shape="rectangle"];"#, name);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let _ = writeln!(file, r#"  "{0}" [label = "{0}" shape="rectangle"];"#, name);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         writeln!(
[INFO] [stdout] 35 | |             file,
[INFO] [stdout] 36 | |             r#"digraph "{0} - {1}" {{"#,
[INFO] [stdout] 37 | |             prod_block.name, prod_block.count
[INFO] [stdout] 38 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let _ = writeln!(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         writeln!(
[INFO] [stdout] 41 | |             file,
[INFO] [stdout] 42 | |             r#"  input [label = "<input>" shape=circle color=grey];"#
[INFO] [stdout] 43 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = writeln!(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 | /             writeln!(
[INFO] [stdout] 49 | |                 file,
[INFO] [stdout] 50 | |                 r#"  input -> "{0}" [color="grey", label="{1}"];"#,
[INFO] [stdout] 51 | |                 name, count
[INFO] [stdout] 52 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let _ = writeln!(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         writeln!(file, r"");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let _ = writeln!(file, r"");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | /                     writeln!(
[INFO] [stdout] 61 | |                         file,
[INFO] [stdout] 62 | |                         r#"  "Rec_{0}" [label = "{0}*{1}" shape=circle color=grey]"#,
[INFO] [stdout] 63 | |                         prod_recipe.name, prod_recipe.output_count
[INFO] [stdout] 64 | |                     );
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     let _ = writeln!(
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 | /                         writeln!(
[INFO] [stdout] 69 | |                             file,
[INFO] [stdout] 70 | |                             r#"  "{0}" -> "Rec_{1}" [label = "{2:.2}" color=red]"#,
[INFO] [stdout] 71 | |                             ingr.name,
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |                                 / recipe.energy
[INFO] [stdout] 75 | |                         );
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                         let _ = writeln!(
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 | /                         writeln!(
[INFO] [stdout] 81 | |                             file,
[INFO] [stdout] 82 | |                             r#"  "Rec_{1}" -> "{0}" [label = "{2:.2}" color=green]"#,
[INFO] [stdout] 83 | |                             ingr.name,
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |                                 / recipe.energy
[INFO] [stdout] 87 | |                         );
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |                         let _ = writeln!(
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 | /                     writeln!(
[INFO] [stdout] 92 | |                         file,
[INFO] [stdout] 93 | |                         r#"  "Rec_{0}" [label="RECIPE NOT FOUND: {0}" color=red shape=star]"#,
[INFO] [stdout] 94 | |                         prod_recipe.name
[INFO] [stdout] 95 | |                     );
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     let _ = writeln!(
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         writeln!(file, r#"}}"#);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let _ = writeln!(file, r#"}}"#);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     write!(makefile, "all:");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let _ = write!(makefile, "all:");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         write!(makefile, " {0}.png", i);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let _ = write!(makefile, " {0}.png", i);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     writeln!(makefile, "");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let _ = writeln!(makefile, "");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     writeln!(makefile, ".PHONY: all");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let _ = writeln!(makefile, ".PHONY: all");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         writeln!(makefile, r#"{0}.png: {0}.dot"#, i);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = writeln!(makefile, r#"{0}.png: {0}.dot"#, i);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         writeln!(makefile, r#"    dot -Tpng {0}.dot -o {0}.png"#, i);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let _ = writeln!(makefile, r#"    dot -Tpng {0}.dot -o {0}.png"#, i);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ingredients_node`
[INFO] [stdout]   --> src/recipes.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let ingredients_node = return Ok(Recipe {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ingredients_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_makefile` is never used
[INFO] [stdout]    --> src/dot_writer.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn generate_makefile(count: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ItemQtyList` is never used
[INFO] [stdout]  --> src/productionchain.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type ItemQtyList = Vec<(String, f64)>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `products` and `ingredients` are never read
[INFO] [stdout]  --> src/productionchain.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ProductionChain {
[INFO] [stdout]   |            --------------- fields in this struct
[INFO] [stdout] 8 |     pub products: Vec<(String, f64)>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 9 |     pub ingredients: Vec<(String, f64)>,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ProductionChain` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/productionchain.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ProductionBlock {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 15 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProductionBlock` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `type_`, `factory_name`, `factory_count`, and `factory_speed` are never read
[INFO] [stdout]   --> src/productionchain.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ProductionRecipe {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 24 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 25 |     pub name: String,
[INFO] [stdout] 26 |     pub type_: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub factory_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 30 |     pub factory_count: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 31 |     pub factory_speed: f64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProductionRecipe` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/productionchain/productionchainparser.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     CastError(CastError),
[INFO] [stdout]   |     --------- ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConversionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     CastError(CastError),
[INFO] [stdout] 8 +     CastError(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/productionchain/productionchainparser.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     IndexingError(IndexingError),
[INFO] [stdout]   |     ------------- ^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConversionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     IndexingError(IndexingError),
[INFO] [stdout] 9 +     IndexingError(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `type_`, `amount_max`, and `probability` are never read
[INFO] [stdout]   --> src/recipes.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct IngredientProductInfo {
[INFO] [stdout]    |            --------------------- fields in this struct
[INFO] [stdout]  7 |     pub type_: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub amount_max: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub probability: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `category` is never read
[INFO] [stdout]   --> src/recipes.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Recipe {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 16 |     pub id: String,
[INFO] [stdout] 17 |     pub category: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/recipes.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     FieldNotExistsError(&'static str),
[INFO] [stdout]    |     ------------------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONParsingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 28 -     FieldNotExistsError(&'static str),
[INFO] [stdout] 28 +     FieldNotExistsError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/recipes.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     InvalidType(&'static str),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `JSONParsingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 29 -     InvalidType(&'static str),
[INFO] [stdout] 29 +     InvalidType(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-76ab4e2e25fbdd23/out/grammar.rs:3680:14
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!(format!("{:?}", __0))}
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 3680 -     { panic!(format!("{:?}", __0))}
[INFO] [stdout] 3680 +     { panic!("{:?}", __0)}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ast.rs:52:56
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get<'a>(&'a self, val: &LuaValue) -> Result<&LuaValue, IndexingError> {
[INFO] [stdout]    |                     -- the lifetime is named here      ^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get<'a>(&'a self, val: &LuaValue) -> Result<&'a LuaValue, IndexingError> {
[INFO] [stdout]    |                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             writeln!(file, r#"  "{0}" [label = "{0}" shape="rectangle"];"#, name);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let _ = writeln!(file, r#"  "{0}" [label = "{0}" shape="rectangle"];"#, name);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         writeln!(
[INFO] [stdout] 35 | |             file,
[INFO] [stdout] 36 | |             r#"digraph "{0} - {1}" {{"#,
[INFO] [stdout] 37 | |             prod_block.name, prod_block.count
[INFO] [stdout] 38 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let _ = writeln!(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         writeln!(
[INFO] [stdout] 41 | |             file,
[INFO] [stdout] 42 | |             r#"  input [label = "<input>" shape=circle color=grey];"#
[INFO] [stdout] 43 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = writeln!(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 | /             writeln!(
[INFO] [stdout] 49 | |                 file,
[INFO] [stdout] 50 | |                 r#"  input -> "{0}" [color="grey", label="{1}"];"#,
[INFO] [stdout] 51 | |                 name, count
[INFO] [stdout] 52 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let _ = writeln!(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         writeln!(file, r"");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let _ = writeln!(file, r"");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 | /                     writeln!(
[INFO] [stdout] 61 | |                         file,
[INFO] [stdout] 62 | |                         r#"  "Rec_{0}" [label = "{0}*{1}" shape=circle color=grey]"#,
[INFO] [stdout] 63 | |                         prod_recipe.name, prod_recipe.output_count
[INFO] [stdout] 64 | |                     );
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     let _ = writeln!(
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 | /                         writeln!(
[INFO] [stdout] 69 | |                             file,
[INFO] [stdout] 70 | |                             r#"  "{0}" -> "Rec_{1}" [label = "{2:.2}" color=red]"#,
[INFO] [stdout] 71 | |                             ingr.name,
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |                                 / recipe.energy
[INFO] [stdout] 75 | |                         );
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                         let _ = writeln!(
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 | /                         writeln!(
[INFO] [stdout] 81 | |                             file,
[INFO] [stdout] 82 | |                             r#"  "Rec_{1}" -> "{0}" [label = "{2:.2}" color=green]"#,
[INFO] [stdout] 83 | |                             ingr.name,
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |                                 / recipe.energy
[INFO] [stdout] 87 | |                         );
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |                         let _ = writeln!(
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 | /                     writeln!(
[INFO] [stdout] 92 | |                         file,
[INFO] [stdout] 93 | |                         r#"  "Rec_{0}" [label="RECIPE NOT FOUND: {0}" color=red shape=star]"#,
[INFO] [stdout] 94 | |                         prod_recipe.name
[INFO] [stdout] 95 | |                     );
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     let _ = writeln!(
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dot_writer.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         writeln!(file, r#"}}"#);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let _ = writeln!(file, r#"}}"#);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     write!(makefile, "all:");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let _ = write!(makefile, "all:");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         write!(makefile, " {0}.png", i);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let _ = write!(makefile, " {0}.png", i);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     writeln!(makefile, "");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let _ = writeln!(makefile, "");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     writeln!(makefile, ".PHONY: all");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let _ = writeln!(makefile, ".PHONY: all");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         writeln!(makefile, r#"{0}.png: {0}.dot"#, i);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let _ = writeln!(makefile, r#"{0}.png: {0}.dot"#, i);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/dot_writer.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         writeln!(makefile, r#"    dot -Tpng {0}.dot -o {0}.png"#, i);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let _ = writeln!(makefile, r#"    dot -Tpng {0}.dot -o {0}.png"#, i);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.17.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "f62ed33e5ddc46dfc58ff90cf9acaba434ad8cd46c3235407103c0341b4ef9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62ed33e5ddc46dfc58ff90cf9acaba434ad8cd46c3235407103c0341b4ef9a3", kill_on_drop: false }`
[INFO] [stdout] f62ed33e5ddc46dfc58ff90cf9acaba434ad8cd46c3235407103c0341b4ef9a3
