[INFO] cloning repository https://github.com/gokjer/rust-dnd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gokjer/rust-dnd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokjer%2Frust-dnd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokjer%2Frust-dnd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf8b4d178b0e0d7966774407a8090d5a4cbf241c
[INFO] testing gokjer/rust-dnd against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokjer%2Frust-dnd" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gokjer/rust-dnd on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gokjer/rust-dnd
[INFO] finished tweaking git repo https://github.com/gokjer/rust-dnd
[INFO] tweaked toml for git repo https://github.com/gokjer/rust-dnd written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gokjer/rust-dnd 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2b273634776fe9a884fd9ead8d9e57a6407937e0587cf061e9360ffbc3467c
[INFO] running `Command { std: "docker" "start" "-a" "fa2b273634776fe9a884fd9ead8d9e57a6407937e0587cf061e9360ffbc3467c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2b273634776fe9a884fd9ead8d9e57a6407937e0587cf061e9360ffbc3467c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2b273634776fe9a884fd9ead8d9e57a6407937e0587cf061e9360ffbc3467c", kill_on_drop: false }`
[INFO] [stdout] fa2b273634776fe9a884fd9ead8d9e57a6407937e0587cf061e9360ffbc3467c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a66005d9f9d64b26c7746f3b94f397c25acc605db5f908b0a40c17af6ae8a9e
[INFO] running `Command { std: "docker" "start" "-a" "7a66005d9f9d64b26c7746f3b94f397c25acc605db5f908b0a40c17af6ae8a9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dnd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Int`
[INFO] [stdout]  --> src/characteristics.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::{Id, Int};
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/characteristics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Output`
[INFO] [stdout]  --> src/characteristics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Output;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Int`
[INFO] [stdout]  --> src/specific.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::{Int, Id};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_set`
[INFO] [stdout]  --> src/specific.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, hash_set};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity_id`
[INFO] [stdout]   --> src/specific.rs:21:64
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get_modified<InType, InEntity: Incoming<InType>>(&self, entity_id: Id) -> Option<Box<InEntity>> {
[INFO] [stdout]    |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity_id`
[INFO] [stdout]   --> src/specific.rs:25:68
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get_modifying<OutType, OutEntity: Outgoing<OutType>>(&self, entity_id: Id) -> Option<Box<OutEntity>> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_id`
[INFO] [stdout]   --> src/specific.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn get_modifier(&self, out_id: Id) -> ModType {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/specific.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn update_all_outs(&self, state: &mut Self::State) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `A` is never used
[INFO] [stdout]  --> src/common.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait A {
[INFO] [stdout]   |       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `B` is never used
[INFO] [stdout]   --> src/common.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait B: A {
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/dice.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     D (Int)
[INFO] [stdout]   |     -  ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Dice` has a derived impl for the trait `Clone`, 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] 7 -     D (Int)
[INFO] [stdout] 7 +     D (())
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Sum` and `Mul` are never constructed
[INFO] [stdout]  --> src/dice.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Dice {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 5 |     Sum (Box<Dice>, Box<Dice>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     Mul (Int, Box<Dice>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Dice` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_id` is never used
[INFO] [stdout]  --> src/characteristics.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Entity {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] 6 |     type State: State;
[INFO] [stdout] 7 |     fn get_id(&self) -> Id;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_modified` and `get_modifying` are never used
[INFO] [stdout]   --> src/characteristics.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait State {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] 11 |     fn get_modified<InType, InEntity: Incoming<InType>>(&self, entity_id: Id) -> Option<Box<InEntity>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 12 |     fn get_modifying<OutType, OutEntity: Outgoing<OutType>>(&self, entity_id: Id) -> Option<Box<OutEntity>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_out`, `get_modifier`, and `update_all_outs` are never used
[INFO] [stdout]   --> src/characteristics.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Outgoing<OutType>: Entity {
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout] 16 |     // type IdIterator: Iterator<Item = Id>;
[INFO] [stdout] 17 |     fn add_out(&mut self, out_id: Id);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 18 |     // fn all_out_ids(&self) -> Self::IdIterator;
[INFO] [stdout] 19 |     fn get_modifier(&self, out_id: Id) -> OutType;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 20 |     fn update_all_outs(&self, state: &mut Self::State);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_in`, `update_modifier`, and `recount_all_ins` are never used
[INFO] [stdout]   --> src/characteristics.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub trait Incoming<InType>: Entity {
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout] 32 |     // type IdIterator;
[INFO] [stdout] 33 |     fn add_in(&mut self, in_id: Id);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 34 |     // fn all_in_ids(&self) -> Self::IdIterator;
[INFO] [stdout] 35 |     fn update_modifier(&mut self, in_id: Id, modifier: InType);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 36 |     fn recount_all_ins(&mut self, state: &mut Self::State);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `State` is never used
[INFO] [stdout]  --> src/state.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait State {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Characteristic` is never constructed
[INFO] [stdout]  --> src/specific.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Characteristic<'a, ValueType, ModType> where ValueType: Modifyable<ModType> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CharIterator` is never constructed
[INFO] [stdout]   --> src/specific.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct CharIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `zero` is never used
[INFO] [stdout]  --> src/values.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Nullable {
[INFO] [stdout]   |           -------- associated function in this trait
[INFO] [stdout] 6 |     fn zero() -> Self;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add` and `subtract` are never used
[INFO] [stdout]   --> src/values.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait Modifyable<ModType>: Copy + Nullable {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] 10 |     fn add(self, modifier: ModType) -> Self;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 11 |     fn subtract(self, modifier: ModType) -> Self;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `components` is never read
[INFO] [stdout]   --> src/values.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ValueHolder<ValueType, ModType> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 20 |     value: ValueType,
[INFO] [stdout] 21 |     components: HashMap<Id, ModType>
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_component` and `recount` are never used
[INFO] [stdout]   --> src/values.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<ModType : Copy, ValueType: Modifyable<ModType>> ValueHolder<ValueType, ModType> {
[INFO] [stdout]    | ------------------------------------------------------------------------------------ methods in this implementation
[INFO] [stdout] 26 |     pub fn set_component(&mut self, comp_id: Id, new_val: ModType) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn recount(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "7a66005d9f9d64b26c7746f3b94f397c25acc605db5f908b0a40c17af6ae8a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a66005d9f9d64b26c7746f3b94f397c25acc605db5f908b0a40c17af6ae8a9e", kill_on_drop: false }`
[INFO] [stdout] 7a66005d9f9d64b26c7746f3b94f397c25acc605db5f908b0a40c17af6ae8a9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf366b478d1cf6290c72786f620de14a56ada126e5911f42aa76bad7e9a87f4
[INFO] running `Command { std: "docker" "start" "-a" "8bf366b478d1cf6290c72786f620de14a56ada126e5911f42aa76bad7e9a87f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling dnd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Int`
[INFO] [stdout]  --> src/characteristics.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::{Id, Int};
[INFO] [stdout]   |                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/characteristics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Output`
[INFO] [stdout]  --> src/characteristics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::Output;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Int`
[INFO] [stdout]  --> src/specific.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::{Int, Id};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash_set`
[INFO] [stdout]  --> src/specific.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, hash_set};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity_id`
[INFO] [stdout]   --> src/specific.rs:21:64
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get_modified<InType, InEntity: Incoming<InType>>(&self, entity_id: Id) -> Option<Box<InEntity>> {
[INFO] [stdout]    |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entity_id`
[INFO] [stdout]   --> src/specific.rs:25:68
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn get_modifying<OutType, OutEntity: Outgoing<OutType>>(&self, entity_id: Id) -> Option<Box<OutEntity>> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_id`
[INFO] [stdout]   --> src/specific.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn get_modifier(&self, out_id: Id) -> ModType {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/specific.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn update_all_outs(&self, state: &mut Self::State) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `A` is never used
[INFO] [stdout]  --> src/common.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait A {
[INFO] [stdout]   |       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `B` is never used
[INFO] [stdout]   --> src/common.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait B: A {
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/dice.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     D (Int)
[INFO] [stdout]   |     -  ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Dice` has a derived impl for the trait `Clone`, 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] 7 -     D (Int)
[INFO] [stdout] 7 +     D (())
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Sum` and `Mul` are never constructed
[INFO] [stdout]  --> src/dice.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Dice {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 5 |     Sum (Box<Dice>, Box<Dice>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     Mul (Int, Box<Dice>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Dice` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_id` is never used
[INFO] [stdout]  --> src/characteristics.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Entity {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] 6 |     type State: State;
[INFO] [stdout] 7 |     fn get_id(&self) -> Id;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_modified` and `get_modifying` are never used
[INFO] [stdout]   --> src/characteristics.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait State {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] 11 |     fn get_modified<InType, InEntity: Incoming<InType>>(&self, entity_id: Id) -> Option<Box<InEntity>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 12 |     fn get_modifying<OutType, OutEntity: Outgoing<OutType>>(&self, entity_id: Id) -> Option<Box<OutEntity>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_out`, `get_modifier`, and `update_all_outs` are never used
[INFO] [stdout]   --> src/characteristics.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Outgoing<OutType>: Entity {
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout] 16 |     // type IdIterator: Iterator<Item = Id>;
[INFO] [stdout] 17 |     fn add_out(&mut self, out_id: Id);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 18 |     // fn all_out_ids(&self) -> Self::IdIterator;
[INFO] [stdout] 19 |     fn get_modifier(&self, out_id: Id) -> OutType;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 20 |     fn update_all_outs(&self, state: &mut Self::State);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_in`, `update_modifier`, and `recount_all_ins` are never used
[INFO] [stdout]   --> src/characteristics.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub trait Incoming<InType>: Entity {
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout] 32 |     // type IdIterator;
[INFO] [stdout] 33 |     fn add_in(&mut self, in_id: Id);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 34 |     // fn all_in_ids(&self) -> Self::IdIterator;
[INFO] [stdout] 35 |     fn update_modifier(&mut self, in_id: Id, modifier: InType);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 36 |     fn recount_all_ins(&mut self, state: &mut Self::State);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `State` is never used
[INFO] [stdout]  --> src/state.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait State {
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Characteristic` is never constructed
[INFO] [stdout]  --> src/specific.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Characteristic<'a, ValueType, ModType> where ValueType: Modifyable<ModType> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CharIterator` is never constructed
[INFO] [stdout]   --> src/specific.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct CharIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `zero` is never used
[INFO] [stdout]  --> src/values.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Nullable {
[INFO] [stdout]   |           -------- associated function in this trait
[INFO] [stdout] 6 |     fn zero() -> Self;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add` and `subtract` are never used
[INFO] [stdout]   --> src/values.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait Modifyable<ModType>: Copy + Nullable {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] 10 |     fn add(self, modifier: ModType) -> Self;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 11 |     fn subtract(self, modifier: ModType) -> Self;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `components` is never read
[INFO] [stdout]   --> src/values.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ValueHolder<ValueType, ModType> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 20 |     value: ValueType,
[INFO] [stdout] 21 |     components: HashMap<Id, ModType>
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_component` and `recount` are never used
[INFO] [stdout]   --> src/values.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<ModType : Copy, ValueType: Modifyable<ModType>> ValueHolder<ValueType, ModType> {
[INFO] [stdout]    | ------------------------------------------------------------------------------------ methods in this implementation
[INFO] [stdout] 26 |     pub fn set_component(&mut self, comp_id: Id, new_val: ModType) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn recount(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8bf366b478d1cf6290c72786f620de14a56ada126e5911f42aa76bad7e9a87f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf366b478d1cf6290c72786f620de14a56ada126e5911f42aa76bad7e9a87f4", kill_on_drop: false }`
[INFO] [stdout] 8bf366b478d1cf6290c72786f620de14a56ada126e5911f42aa76bad7e9a87f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e917fbcb12f2aa9736e2a4e46b1c3ca509d5443562341eb47d15ff1133d2dfa
[INFO] running `Command { std: "docker" "start" "-a" "5e917fbcb12f2aa9736e2a4e46b1c3ca509d5443562341eb47d15ff1133d2dfa", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Int`
[INFO] [stderr]  --> src/characteristics.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::common::{Id, Int};
[INFO] [stderr]   |                         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/characteristics.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Output`
[INFO] [stderr]  --> src/characteristics.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::process::Output;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Int`
[INFO] [stderr]  --> src/specific.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::common::{Int, Id};
[INFO] [stderr]   |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hash_set`
[INFO] [stderr]  --> src/specific.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashSet, hash_set};
[INFO] [stderr]   |                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entity_id`
[INFO] [stderr]   --> src/specific.rs:21:64
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn get_modified<InType, InEntity: Incoming<InType>>(&self, entity_id: Id) -> Option<Box<InEntity>> {
[INFO] [stderr]    |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entity_id`
[INFO] [stderr]   --> src/specific.rs:25:68
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn get_modifying<OutType, OutEntity: Outgoing<OutType>>(&self, entity_id: Id) -> Option<Box<OutEntity>> {
[INFO] [stderr]    |                                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entity_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out_id`
[INFO] [stderr]   --> src/specific.rs:72:28
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn get_modifier(&self, out_id: Id) -> ModType {
[INFO] [stderr]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/specific.rs:76:31
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn update_all_outs(&self, state: &mut Self::State) {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: trait `A` is never used
[INFO] [stderr]  --> src/common.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | trait A {
[INFO] [stderr]   |       ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `B` is never used
[INFO] [stderr]   --> src/common.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | trait B: A {
[INFO] [stderr]    |       ^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/dice.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     D (Int)
[INFO] [stderr]   |     -  ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Dice` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 7 -     D (Int)
[INFO] [stderr] 7 +     D (())
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Sum` and `Mul` are never constructed
[INFO] [stderr]  --> src/dice.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Dice {
[INFO] [stderr]   |          ---- variants in this enum
[INFO] [stderr] 5 |     Sum (Box<Dice>, Box<Dice>),
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 6 |     Mul (Int, Box<Dice>),
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Dice` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_id` is never used
[INFO] [stderr]  --> src/characteristics.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub trait Entity {
[INFO] [stderr]   |           ------ method in this trait
[INFO] [stderr] 6 |     type State: State;
[INFO] [stderr] 7 |     fn get_id(&self) -> Id;
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_modified` and `get_modifying` are never used
[INFO] [stderr]   --> src/characteristics.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub trait State {
[INFO] [stderr]    |           ----- methods in this trait
[INFO] [stderr] 11 |     fn get_modified<InType, InEntity: Incoming<InType>>(&self, entity_id: Id) -> Option<Box<InEntity>>;
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 12 |     fn get_modifying<OutType, OutEntity: Outgoing<OutType>>(&self, entity_id: Id) -> Option<Box<OutEntity>>;
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add_out`, `get_modifier`, and `update_all_outs` are never used
[INFO] [stderr]   --> src/characteristics.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub trait Outgoing<OutType>: Entity {
[INFO] [stderr]    |           -------- methods in this trait
[INFO] [stderr] 16 |     // type IdIterator: Iterator<Item = Id>;
[INFO] [stderr] 17 |     fn add_out(&mut self, out_id: Id);
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 18 |     // fn all_out_ids(&self) -> Self::IdIterator;
[INFO] [stderr] 19 |     fn get_modifier(&self, out_id: Id) -> OutType;
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 20 |     fn update_all_outs(&self, state: &mut Self::State);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add_in`, `update_modifier`, and `recount_all_ins` are never used
[INFO] [stderr]   --> src/characteristics.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub trait Incoming<InType>: Entity {
[INFO] [stderr]    |           -------- methods in this trait
[INFO] [stderr] 32 |     // type IdIterator;
[INFO] [stderr] 33 |     fn add_in(&mut self, in_id: Id);
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 34 |     // fn all_in_ids(&self) -> Self::IdIterator;
[INFO] [stderr] 35 |     fn update_modifier(&mut self, in_id: Id, modifier: InType);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 36 |     fn recount_all_ins(&mut self, state: &mut Self::State);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `State` is never used
[INFO] [stderr]  --> src/state.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub trait State {
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Characteristic` is never constructed
[INFO] [stderr]  --> src/specific.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Characteristic<'a, ValueType, ModType> where ValueType: Modifyable<ModType> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CharIterator` is never constructed
[INFO] [stderr]   --> src/specific.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct CharIterator {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `zero` is never used
[INFO] [stderr]  --> src/values.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub trait Nullable {
[INFO] [stderr]   |           -------- associated function in this trait
[INFO] [stderr] 6 |     fn zero() -> Self;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add` and `subtract` are never used
[INFO] [stderr]   --> src/values.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub trait Modifyable<ModType>: Copy + Nullable {
[INFO] [stderr]    |           ---------- methods in this trait
[INFO] [stderr] 10 |     fn add(self, modifier: ModType) -> Self;
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 11 |     fn subtract(self, modifier: ModType) -> Self;
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `components` is never read
[INFO] [stderr]   --> src/values.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct ValueHolder<ValueType, ModType> {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 20 |     value: ValueType,
[INFO] [stderr] 21 |     components: HashMap<Id, ModType>
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_component` and `recount` are never used
[INFO] [stderr]   --> src/values.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl<ModType : Copy, ValueType: Modifyable<ModType>> ValueHolder<ValueType, ModType> {
[INFO] [stderr]    | ------------------------------------------------------------------------------------ methods in this implementation
[INFO] [stderr] 26 |     pub fn set_component(&mut self, comp_id: Id, new_val: ModType) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn recount(&mut self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dnd` (bin "dnd" test) generated 24 warnings (run `cargo fix --bin "dnd" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dnd-7f09a9cc5be026b5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e917fbcb12f2aa9736e2a4e46b1c3ca509d5443562341eb47d15ff1133d2dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e917fbcb12f2aa9736e2a4e46b1c3ca509d5443562341eb47d15ff1133d2dfa", kill_on_drop: false }`
[INFO] [stdout] 5e917fbcb12f2aa9736e2a4e46b1c3ca509d5443562341eb47d15ff1133d2dfa