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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajzaff%2Fsubstrate-mfm-engine" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/ajzaff/substrate-mfm-engine
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[INFO] crate git repo https://github.com/ajzaff/substrate-mfm-engine already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `log::trace`
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use log::trace;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::trace`
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use log::trace;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::RngCore;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DenseGrid`
[INFO] [stdout]   --> src/bin/ewimops.rs:10:46
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::runtime::mfm::{select_symmetries, DenseGrid, EventWindow, Rand, SparseGrid};
[INFO] [stdout]    |                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::trace`
[INFO] [stdout]   --> src/bin/ewimops.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use log::trace;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::RngCore;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::trace`
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use log::trace;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::RngCore;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DenseGrid`
[INFO] [stdout]   --> src/bin/ewimops.rs:10:46
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::runtime::mfm::{select_symmetries, DenseGrid, EventWindow, Rand, SparseGrid};
[INFO] [stdout]    |                                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::trace`
[INFO] [stdout]   --> src/bin/ewimops.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use log::trace;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::trace`
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use log::trace;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::RngCore;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |     w: &mut std::io::Write,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 |     w: &mut dyn std::io::Write,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |     w: &mut std::io::Write,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 |     w: &mut dyn std::io::Write,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |     w: &mut std::io::Write,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 |     w: &mut dyn std::io::Write,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |     w: &mut std::io::Write,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 |     w: &mut dyn std::io::Write,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventWindow`
[INFO] [stdout]  --> src/bin/../runtime/mod.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mfm::{EventWindow, Metadata};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventWindow`
[INFO] [stdout]  --> src/bin/../runtime/mod.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mfm::{EventWindow, Metadata};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         (2, -1) => 13,
[INFO] [stdout]     |         ------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 209 |         (2, -1) => 19,
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         (2, 1) => 14,
[INFO] [stdout]     |         ------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 210 |         (2, 1) => 20,
[INFO] [stdout]     |         ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         (2, -1) => 13,
[INFO] [stdout]     |         ------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 209 |         (2, -1) => 19,
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         (2, 1) => 14,
[INFO] [stdout]     |         ------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 210 |         (2, 1) => 20,
[INFO] [stdout]     |         ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventWindow`
[INFO] [stdout]  --> src/bin/../runtime/mod.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mfm::{EventWindow, Metadata};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         (2, -1) => 13,
[INFO] [stdout]     |         ------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 209 |         (2, -1) => 19,
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         (2, 1) => 14,
[INFO] [stdout]     |         ------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 210 |         (2, 1) => 20,
[INFO] [stdout]     |         ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[ignore]` attribute cannot be used on macro calls
[INFO] [stdout]   --> src/code.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[ignore = "unused"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[ignore]` can only be applied to functions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[ignore]` attribute cannot be used on macro calls
[INFO] [stdout]   --> src/code.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[ignore = "unused"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[ignore]` can only be applied to functions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Instruction::InstructionParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/substrate-engine-d23d0e6a9bb0b434/out/substrate.rs:7755:9
[INFO] [stdout]      |
[INFO] [stdout] 7755 | pub use self::__parse__Instruction::InstructionParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `scale` and `random_seed` are never read
[INFO] [stdout]   --> src/bin/ewimops.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Cli {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 55 |     scale: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     random_seed: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NoElement` and `StackUnderflow` are never constructed
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 36 |   NoElement,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |   StackUnderflow, // TODO: add context
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RuntimeImpl` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait RuntimeImpl {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl Cursor {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 65 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VOID` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const VOID: char = ' ';
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPTY` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const EMPTY: char = '.';
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OCCUPIED` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const OCCUPIED: char = 'x';
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UNKNOWN` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const UNKNOWN: char = '?';
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const BAD: char = '!';
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinimalEventWindow` is never constructed
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct MinimalEventWindow<'a, R: RngCore> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl<'a, R: RngCore> MinimalEventWindow<'a, R> {
[INFO] [stdout]    | ---------------------------------------------- associated function in this implementation
[INFO] [stdout] 86 |     pub fn new(rng: &'a mut R) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sample_symmetries` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:283:8
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub fn sample_symmetries<R: RngCore>(r: &mut R, s: Symmetries) -> Symmetries {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_event_window` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:287:8
[INFO] [stdout]     |
[INFO] [stdout] 287 | pub fn debug_event_window<T: EventWindow>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DenseGrid` is never constructed
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:360:12
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct DenseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `with_scale` are never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 369 | impl<'a, R: RngCore> DenseGrid<'a, R> {
[INFO] [stdout]     | ------------------------------------- associated functions in this implementation
[INFO] [stdout] 370 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     pub fn with_scale(rng: &'a mut R, scale: usize, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scale` is never read
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:499:5
[INFO] [stdout]     |
[INFO] [stdout] 495 | pub struct SparseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 499 |     scale: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SiteNumber` is never constructed
[INFO] [stdout]  --> src/bin/../base/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SiteNumber(pub u8);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Color {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/bin/../ast.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Node<'input> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]    --> src/bin/../ast.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub struct File<'input> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/bin/ewar.rs:61:3
[INFO] [stdout]     |
[INFO] [stdout]  52 | struct Cli {
[INFO] [stdout]     |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  61 |   random_seed: u64,
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |   n: u32,
[INFO] [stdout]     |   ^
[INFO] [stdout] ...
[INFO] [stdout]  76 |   seed_element: Option<String>,
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |   expect: Option<String>,
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |   output: Output,
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |   output_mode: OutputMode,
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |   color: ColorMode,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |   checksum: bool,
[INFO] [stdout]     |   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NoElement` and `StackUnderflow` are never constructed
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 36 |   NoElement,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |   StackUnderflow, // TODO: add context
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RuntimeImpl` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait RuntimeImpl {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `reset` are never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl Cursor {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 65 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |   pub fn reset(&mut self, s: Symmetries) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPTY` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const EMPTY: char = '.';
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OCCUPIED` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const OCCUPIED: char = 'x';
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const BAD: char = '!';
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub trait EventWindow {
[INFO] [stdout]    |           ----------- method in this trait
[INFO] [stdout] 65 |     /// Reset moves the center of the event window to a new arbitrarily selected site.
[INFO] [stdout] 66 |     fn reset(&mut self);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bounds` is never constructed
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:346:8
[INFO] [stdout]     |
[INFO] [stdout] 346 | struct Bounds {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DenseGrid` is never constructed
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:360:12
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct DenseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `with_scale` are never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 369 | impl<'a, R: RngCore> DenseGrid<'a, R> {
[INFO] [stdout]     | ------------------------------------- associated functions in this implementation
[INFO] [stdout] 370 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     pub fn with_scale(rng: &'a mut R, scale: usize, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Blit` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:463:11
[INFO] [stdout]     |
[INFO] [stdout] 463 | pub trait Blit {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SparseGrid` is never constructed
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:495:12
[INFO] [stdout]     |
[INFO] [stdout] 495 | pub struct SparseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `with_scale` are never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:505:12
[INFO] [stdout]     |
[INFO] [stdout] 504 | impl<'a, R: RngCore> SparseGrid<'a, R> {
[INFO] [stdout]     | -------------------------------------- associated functions in this implementation
[INFO] [stdout] 505 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 509 |     pub fn with_scale(rng: &'a mut R, scale: usize, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SiteNumber` is never constructed
[INFO] [stdout]  --> src/bin/../base/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SiteNumber(pub u8);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Color {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/bin/../ast.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Node<'input> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]    --> src/bin/../ast.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub struct File<'input> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Metadata::MetadataParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/substrate-engine-d23d0e6a9bb0b434/out/substrate.rs:11221:9
[INFO] [stdout]       |
[INFO] [stdout] 11221 | pub use self::__parse__Metadata::MetadataParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewimops.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     #[structopt(name = "INPUT", help = "An image file to process", required = true)]
[INFO] [stdout] 29 | |     input: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewimops.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     #[structopt(
[INFO] [stdout] 32 | |         long = "output",
[INFO] [stdout] 33 | |         short = "o",
[INFO] [stdout] 34 | |         help = "Output file name for the output image."
[INFO] [stdout] 35 | |     )]
[INFO] [stdout] 36 | |     output: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewimops.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     #[structopt(
[INFO] [stdout] 39 | |         long = "init",
[INFO] [stdout] 40 | |         help = "A compiled EWAL program which initializes the image operation."
[INFO] [stdout] 41 | |     )]
[INFO] [stdout] 42 | |     init: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewimops.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     #[structopt(
[INFO] [stdout] 45 | |         long = "op",
[INFO] [stdout] 46 | |         help = "Compiled EWAL programs which execute the image operation."
[INFO] [stdout] 47 | |     )]
[INFO] [stdout] 48 | |     ops: Vec<String>,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewar.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 | /   #[structopt(name = "INPUT", required = true)]
[INFO] [stdout] 54 | |   input: String,
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewar.rs:71:3
[INFO] [stdout]    |
[INFO] [stdout] 71 | /   #[structopt(
[INFO] [stdout] 72 | |     long = "seed-element",
[INFO] [stdout] 73 | |     short = "s",
[INFO] [stdout] 74 | |     help = "An element executed prior to each run which initializes the event window. The input element will be placed automatically afte...
[INFO] [stdout] 75 | |   )]
[INFO] [stdout] 76 | |   seed_element: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewar.rs:78:3
[INFO] [stdout]    |
[INFO] [stdout] 78 | /   #[structopt(
[INFO] [stdout] 79 | |     long = "test",
[INFO] [stdout] 80 | |     short = "t",
[INFO] [stdout] 81 | |     help = "Configures test mode, which asserts the contents of the event window matches the given representation (b64; rfc-4648). An exi...
[INFO] [stdout] 82 | |   )]
[INFO] [stdout] 83 | |   expect: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Instruction::InstructionParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/substrate-engine-d23d0e6a9bb0b434/out/substrate.rs:7755:9
[INFO] [stdout]      |
[INFO] [stdout] 7755 | pub use self::__parse__Instruction::InstructionParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substrate-engine` (bin "ewimops") due to 4 previous errors; 28 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `scale` and `random_seed` are never read
[INFO] [stdout]   --> src/bin/ewimops.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Cli {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 55 |     scale: u8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     random_seed: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NoElement` and `StackUnderflow` are never constructed
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 36 |   NoElement,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |   StackUnderflow, // TODO: add context
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RuntimeImpl` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait RuntimeImpl {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl Cursor {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 65 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VOID` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const VOID: char = ' ';
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPTY` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const EMPTY: char = '.';
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OCCUPIED` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const OCCUPIED: char = 'x';
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UNKNOWN` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const UNKNOWN: char = '?';
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const BAD: char = '!';
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinimalEventWindow` is never constructed
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct MinimalEventWindow<'a, R: RngCore> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | impl<'a, R: RngCore> MinimalEventWindow<'a, R> {
[INFO] [stdout]    | ---------------------------------------------- associated function in this implementation
[INFO] [stdout] 86 |     pub fn new(rng: &'a mut R) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_event_window` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:287:8
[INFO] [stdout]     |
[INFO] [stdout] 287 | pub fn debug_event_window<T: EventWindow>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DenseGrid` is never constructed
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:360:12
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct DenseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `with_scale` are never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 369 | impl<'a, R: RngCore> DenseGrid<'a, R> {
[INFO] [stdout]     | ------------------------------------- associated functions in this implementation
[INFO] [stdout] 370 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     pub fn with_scale(rng: &'a mut R, scale: usize, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scale` is never read
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:499:5
[INFO] [stdout]     |
[INFO] [stdout] 495 | pub struct SparseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 499 |     scale: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SiteNumber` is never constructed
[INFO] [stdout]  --> src/bin/../base/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SiteNumber(pub u8);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Color {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/bin/../ast.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Node<'input> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]    --> src/bin/../ast.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub struct File<'input> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Metadata::MetadataParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/substrate-engine-d23d0e6a9bb0b434/out/substrate.rs:11221:9
[INFO] [stdout]       |
[INFO] [stdout] 11221 | pub use self::__parse__Metadata::MetadataParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventWindow`
[INFO] [stdout]  --> src/bin/../runtime/mod.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use mfm::{EventWindow, Metadata};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substrate-engine` (bin "ewar" test) due to 3 previous errors; 24 warnings emitted
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         (2, -1) => 13,
[INFO] [stdout]     |         ------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 209 |         (2, -1) => 19,
[INFO] [stdout]     |         ^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substrate-engine` (bin "ewimops" test) due to 4 previous errors; 27 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewimops.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     #[structopt(name = "INPUT", help = "An image file to process", required = true)]
[INFO] [stdout] 29 | |     input: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewimops.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     #[structopt(
[INFO] [stdout] 32 | |         long = "output",
[INFO] [stdout] 33 | |         short = "o",
[INFO] [stdout] 34 | |         help = "Output file name for the output image."
[INFO] [stdout] 35 | |     )]
[INFO] [stdout] 36 | |     output: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewimops.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     #[structopt(
[INFO] [stdout] 39 | |         long = "init",
[INFO] [stdout] 40 | |         help = "A compiled EWAL program which initializes the image operation."
[INFO] [stdout] 41 | |     )]
[INFO] [stdout] 42 | |     init: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewimops.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | /     #[structopt(
[INFO] [stdout] 45 | |         long = "op",
[INFO] [stdout] 46 | |         help = "Compiled EWAL programs which execute the image operation."
[INFO] [stdout] 47 | |     )]
[INFO] [stdout] 48 | |     ops: Vec<String>,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         (2, 1) => 14,
[INFO] [stdout]     |         ------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 210 |         (2, 1) => 20,
[INFO] [stdout]     |         ^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/bin/ewar.rs:61:3
[INFO] [stdout]     |
[INFO] [stdout]  52 | struct Cli {
[INFO] [stdout]     |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  61 |   random_seed: u64,
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |   n: u32,
[INFO] [stdout]     |   ^
[INFO] [stdout] ...
[INFO] [stdout]  76 |   seed_element: Option<String>,
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  83 |   expect: Option<String>,
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |   output: Output,
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |   output_mode: OutputMode,
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |   color: ColorMode,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |   checksum: bool,
[INFO] [stdout]     |   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `NoElement` and `StackUnderflow` are never constructed
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 36 |   NoElement,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |   StackUnderflow, // TODO: add context
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RuntimeImpl` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub trait RuntimeImpl {
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `reset` are never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl Cursor {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 65 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |   pub fn reset(&mut self, s: Symmetries) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPTY` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const EMPTY: char = '.';
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OCCUPIED` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const OCCUPIED: char = 'x';
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const BAD: char = '!';
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub trait EventWindow {
[INFO] [stdout]    |           ----------- method in this trait
[INFO] [stdout] 65 |     /// Reset moves the center of the event window to a new arbitrarily selected site.
[INFO] [stdout] 66 |     fn reset(&mut self);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sample_symmetries` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:283:8
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub fn sample_symmetries<R: RngCore>(r: &mut R, s: Symmetries) -> Symmetries {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bounds` is never constructed
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:346:8
[INFO] [stdout]     |
[INFO] [stdout] 346 | struct Bounds {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DenseGrid` is never constructed
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:360:12
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct DenseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `with_scale` are never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 369 | impl<'a, R: RngCore> DenseGrid<'a, R> {
[INFO] [stdout]     | ------------------------------------- associated functions in this implementation
[INFO] [stdout] 370 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 374 |     pub fn with_scale(rng: &'a mut R, scale: usize, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Blit` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:463:11
[INFO] [stdout]     |
[INFO] [stdout] 463 | pub trait Blit {
[INFO] [stdout]     |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SparseGrid` is never constructed
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:495:12
[INFO] [stdout]     |
[INFO] [stdout] 495 | pub struct SparseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `with_scale` are never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:505:12
[INFO] [stdout]     |
[INFO] [stdout] 504 | impl<'a, R: RngCore> SparseGrid<'a, R> {
[INFO] [stdout]     | -------------------------------------- associated functions in this implementation
[INFO] [stdout] 505 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 509 |     pub fn with_scale(rng: &'a mut R, scale: usize, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SiteNumber` is never constructed
[INFO] [stdout]  --> src/bin/../base/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SiteNumber(pub u8);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Color {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/bin/../ast.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Node<'input> {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]    --> src/bin/../ast.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub struct File<'input> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewar.rs:53:3
[INFO] [stdout]    |
[INFO] [stdout] 53 | /   #[structopt(name = "INPUT", required = true)]
[INFO] [stdout] 54 | |   input: String,
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewar.rs:71:3
[INFO] [stdout]    |
[INFO] [stdout] 71 | /   #[structopt(
[INFO] [stdout] 72 | |     long = "seed-element",
[INFO] [stdout] 73 | |     short = "s",
[INFO] [stdout] 74 | |     help = "An element executed prior to each run which initializes the event window. The input element will be placed automatically afte...
[INFO] [stdout] 75 | |   )]
[INFO] [stdout] 76 | |   seed_element: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/ewar.rs:78:3
[INFO] [stdout]    |
[INFO] [stdout] 78 | /   #[structopt(
[INFO] [stdout] 79 | |     long = "test",
[INFO] [stdout] 80 | |     short = "t",
[INFO] [stdout] 81 | |     help = "Configures test mode, which asserts the contents of the event window matches the given representation (b64; rfc-4648). An exi...
[INFO] [stdout] 82 | |   )]
[INFO] [stdout] 83 | |   expect: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substrate-engine` (bin "ewar") due to 3 previous errors; 25 warnings emitted
[INFO] [stdout] warning: struct `SiteNumber` is never constructed
[INFO] [stdout]  --> src/base/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SiteNumber(pub u8);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `components` are never used
[INFO] [stdout]   --> src/base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   pub fn components(&self) -> (u8, u8, u8, u8) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NoName` is never constructed
[INFO] [stdout]   --> src/code.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum CompileError<'input> {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     NoName,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/substrate-engine-d23d0e6a9bb0b434/out/substrate.rs:4896:16
[INFO] [stdout]      |
[INFO] [stdout] 4895 |     impl InstructionParser {
[INFO] [stdout]      |     ---------------------- associated function in this implementation
[INFO] [stdout] 4896 |         pub fn new() -> InstructionParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/substrate-engine-d23d0e6a9bb0b434/out/substrate.rs:8362:16
[INFO] [stdout]      |
[INFO] [stdout] 8361 |     impl MetadataParser {
[INFO] [stdout]      |     ------------------- associated function in this implementation
[INFO] [stdout] 8362 |         pub fn new() -> MetadataParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     #[structopt(name = "INPUT", help = "Input EWAL source files.")]
[INFO] [stdout] 22 | |     input: Vec<String>,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     #[structopt(
[INFO] [stdout] 25 | |         long = "output",
[INFO] [stdout] 26 | |         short = "o",
[INFO] [stdout] 27 | |         help = "Output target directory. Will be created if not found. Stdout is - but will fail given multiple inputs."
[INFO] [stdout] 28 | |     )]
[INFO] [stdout] 29 | |     output_dir: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     #[structopt(
[INFO] [stdout] 32 | |         long = "build-tag",
[INFO] [stdout] 33 | |         short = "t",
[INFO] [stdout] 34 | |         help = "Build tag compiled into the output binary.",
[INFO] [stdout] 35 | |         default_value = "ephemeral"
[INFO] [stdout] 36 | |     )]
[INFO] [stdout] 37 | |     build_tag: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substrate-engine` (bin "ewac") due to 3 previous errors; 8 warnings emitted
[INFO] [stdout] warning: struct `SiteNumber` is never constructed
[INFO] [stdout]  --> src/base/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SiteNumber(pub u8);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `components` are never used
[INFO] [stdout]   --> src/base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Color {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   pub fn components(&self) -> (u8, u8, u8, u8) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NoName` is never constructed
[INFO] [stdout]   --> src/code.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum CompileError<'input> {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     NoName,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/substrate-engine-d23d0e6a9bb0b434/out/substrate.rs:4896:16
[INFO] [stdout]      |
[INFO] [stdout] 4895 |     impl InstructionParser {
[INFO] [stdout]      |     ---------------------- associated function in this implementation
[INFO] [stdout] 4896 |         pub fn new() -> InstructionParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/substrate-engine-d23d0e6a9bb0b434/out/substrate.rs:8362:16
[INFO] [stdout]      |
[INFO] [stdout] 8361 |     impl MetadataParser {
[INFO] [stdout]      |     ------------------- associated function in this implementation
[INFO] [stdout] 8362 |         pub fn new() -> MetadataParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     #[structopt(name = "INPUT", help = "Input EWAL source files.")]
[INFO] [stdout] 22 | |     input: Vec<String>,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     #[structopt(
[INFO] [stdout] 25 | |         long = "output",
[INFO] [stdout] 26 | |         short = "o",
[INFO] [stdout] 27 | |         help = "Output target directory. Will be created if not found. Stdout is - but will fail given multiple inputs."
[INFO] [stdout] 28 | |     )]
[INFO] [stdout] 29 | |     output_dir: Option<String>,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     #[structopt(
[INFO] [stdout] 32 | |         long = "build-tag",
[INFO] [stdout] 33 | |         short = "t",
[INFO] [stdout] 34 | |         help = "Build tag compiled into the output binary.",
[INFO] [stdout] 35 | |         default_value = "ephemeral"
[INFO] [stdout] 36 | |     )]
[INFO] [stdout] 37 | |     build_tag: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `substrate-engine` (bin "ewac" test) due to 3 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3ed6c1d7aeeb3a40445a0f011cb7811c6525d91f080f09ff2dc67bfc73e3d8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed6c1d7aeeb3a40445a0f011cb7811c6525d91f080f09ff2dc67bfc73e3d8cc", kill_on_drop: false }`
[INFO] [stdout] 3ed6c1d7aeeb3a40445a0f011cb7811c6525d91f080f09ff2dc67bfc73e3d8cc
