[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] checking gokjer/rust-dnd against try#c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6 for pr-145463
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokjer%2Frust-dnd" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gokjer/rust-dnd on toolchain c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaeb79222646067c4b82caeee3c0d54873a74d69467c55d0fff4c3c4bbbe8733
[INFO] running `Command { std: "docker" "start" "-a" "eaeb79222646067c4b82caeee3c0d54873a74d69467c55d0fff4c3c4bbbe8733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaeb79222646067c4b82caeee3c0d54873a74d69467c55d0fff4c3c4bbbe8733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaeb79222646067c4b82caeee3c0d54873a74d69467c55d0fff4c3c4bbbe8733", kill_on_drop: false }`
[INFO] [stdout] eaeb79222646067c4b82caeee3c0d54873a74d69467c55d0fff4c3c4bbbe8733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 636b6599b68ad47c482d0ced713ba254eff31bbda24c174223a5e995117fb827
[INFO] running `Command { std: "docker" "start" "-a" "636b6599b68ad47c482d0ced713ba254eff31bbda24c174223a5e995117fb827", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: `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: `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 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: 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: type alias `Id` is never used
[INFO] [stdout]  --> src/common.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Id = String;
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 
[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: struct `DummyIter` is never constructed
[INFO] [stdout]   --> src/common.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct DummyIter {}
[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: trait `Entity` is never used
[INFO] [stdout]  --> src/characteristics.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Entity {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `State` is never used
[INFO] [stdout]   --> src/characteristics.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait State {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Outgoing` is never used
[INFO] [stdout]   --> src/characteristics.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Outgoing<OutType>: Entity {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Incoming` is never used
[INFO] [stdout]   --> src/characteristics.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub trait Incoming<InType>: Entity {
[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 `MyState` is never constructed
[INFO] [stdout]   --> src/specific.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct MyState {}
[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: trait `Nullable` is never used
[INFO] [stdout]  --> src/values.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Nullable {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Modifyable` is never used
[INFO] [stdout]  --> src/values.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait Modifyable<ModType>: Copy + Nullable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Modifying` is never used
[INFO] [stdout]   --> src/values.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Modifying<ModType> {
[INFO] [stdout]    |           ^^^^^^^^^
[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: struct `ValueHolder` is never constructed
[INFO] [stdout]   --> src/values.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ValueHolder<ValueType, ModType> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[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: 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] [stdout] warning: type alias `Id` is never used
[INFO] [stdout]  --> src/common.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Id = String;
[INFO] [stdout]   |          ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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] 
[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: struct `DummyIter` is never constructed
[INFO] [stdout]   --> src/common.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct DummyIter {}
[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: trait `Entity` is never used
[INFO] [stdout]  --> src/characteristics.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Entity {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `State` is never used
[INFO] [stdout]   --> src/characteristics.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait State {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Outgoing` is never used
[INFO] [stdout]   --> src/characteristics.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Outgoing<OutType>: Entity {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Incoming` is never used
[INFO] [stdout]   --> src/characteristics.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub trait Incoming<InType>: Entity {
[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 `MyState` is never constructed
[INFO] [stdout]   --> src/specific.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct MyState {}
[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: trait `Nullable` is never used
[INFO] [stdout]  --> src/values.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Nullable {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Modifyable` is never used
[INFO] [stdout]  --> src/values.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait Modifyable<ModType>: Copy + Nullable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Modifying` is never used
[INFO] [stdout]   --> src/values.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Modifying<ModType> {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValueHolder` is never constructed
[INFO] [stdout]   --> src/values.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ValueHolder<ValueType, 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 0.10s
[INFO] running `Command { std: "docker" "inspect" "636b6599b68ad47c482d0ced713ba254eff31bbda24c174223a5e995117fb827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636b6599b68ad47c482d0ced713ba254eff31bbda24c174223a5e995117fb827", kill_on_drop: false }`
[INFO] [stdout] 636b6599b68ad47c482d0ced713ba254eff31bbda24c174223a5e995117fb827