[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] 6281d43581d2d33b6e2d911e111f96e6e0a55687
[INFO] checking danicampa90/helmod-graphviz against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanicampa90%2Fhelmod-graphviz" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danicampa90/helmod-graphviz on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/danicampa90/helmod-graphviz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded lalrpop v0.17.2
[INFO] [stderr]   Downloaded lalrpop-util v0.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ddd985c2bfe0d6a671180aa49b35561e806c74950b4d778ec24736b2f306c26
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ddd985c2bfe0d6a671180aa49b35561e806c74950b4d778ec24736b2f306c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ddd985c2bfe0d6a671180aa49b35561e806c74950b4d778ec24736b2f306c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddd985c2bfe0d6a671180aa49b35561e806c74950b4d778ec24736b2f306c26", kill_on_drop: false }`
[INFO] [stdout] 7ddd985c2bfe0d6a671180aa49b35561e806c74950b4d778ec24736b2f306c26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 800b86685df84d918eb7cf8a8b133da87c60d832b40b11a3a4ffb695731b55cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "800b86685df84d918eb7cf8a8b133da87c60d832b40b11a3a4ffb695731b55cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]    Compiling syn v1.0.11
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[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
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[INFO] [stderr]     Checking vec_map v0.8.1
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[INFO] [stderr]    Compiling itertools v0.8.2
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[INFO] [stderr]    Compiling bit-set v0.5.1
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[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
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[INFO] [stderr]    Compiling byteorder v1.3.2
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
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[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: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-135dd7ae7a8d0f03/out/grammar.rs:3561:5
[INFO] [stdout]      |
[INFO] [stdout] 3561 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` 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-135dd7ae7a8d0f03/out/grammar.rs:3572:5
[INFO] [stdout]      |
[INFO] [stdout] 3572 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-135dd7ae7a8d0f03/out/grammar.rs:3680:5
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!(format!("{:?}", __0))}
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` 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-135dd7ae7a8d0f03/out/grammar.rs:3817:5
[INFO] [stdout]      |
[INFO] [stdout] 3817 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-135dd7ae7a8d0f03/out/grammar.rs:3875:5
[INFO] [stdout]      |
[INFO] [stdout] 3875 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[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)]` 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]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LuaArray`, `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]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |             match (recipes_result) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-135dd7ae7a8d0f03/out/grammar.rs:3561:5
[INFO] [stdout]      |
[INFO] [stdout] 3561 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` 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-135dd7ae7a8d0f03/out/grammar.rs:3572:5
[INFO] [stdout]      |
[INFO] [stdout] 3572 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-135dd7ae7a8d0f03/out/grammar.rs:3680:5
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!(format!("{:?}", __0))}
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_braces)]` 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-135dd7ae7a8d0f03/out/grammar.rs:3817:5
[INFO] [stdout]      |
[INFO] [stdout] 3817 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-135dd7ae7a8d0f03/out/grammar.rs:3875:5
[INFO] [stdout]      |
[INFO] [stdout] 3875 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[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)]` 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]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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] 
[INFO] [stdout] warning: unused imports: `LuaArray`, `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]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |             match (recipes_result) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^ help: remove these parentheses
[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)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ItemQtyList`
[INFO] [stdout]  --> src/productionchain.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type ItemQtyList = Vec<(String, f64)>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-135dd7ae7a8d0f03/out/grammar.rs:3680:14
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!(format!("{:?}", __0))}
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!("{:?}", __0)}
[INFO] [stdout]      |             --         --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ItemQtyList`
[INFO] [stdout]  --> src/productionchain.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type ItemQtyList = Vec<(String, f64)>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/helmod-planner-135dd7ae7a8d0f03/out/grammar.rs:3680:14
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!(format!("{:?}", __0))}
[INFO] [stdout]      |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 3680 |     { panic!("{:?}", __0)}
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "800b86685df84d918eb7cf8a8b133da87c60d832b40b11a3a4ffb695731b55cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800b86685df84d918eb7cf8a8b133da87c60d832b40b11a3a4ffb695731b55cf", kill_on_drop: false }`
[INFO] [stdout] 800b86685df84d918eb7cf8a8b133da87c60d832b40b11a3a4ffb695731b55cf