[INFO] cloning repository https://github.com/ajzaff/substrate-mfm-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajzaff/substrate-mfm-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajzaff%2Fsubstrate-mfm-engine", kill_on_drop: false }`
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[INFO] [stdout] 63222eb29832f04118f8cdc72a11fbb05f2643f5
[INFO] testing ajzaff/substrate-mfm-engine against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajzaff%2Fsubstrate-mfm-engine" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajzaff/substrate-mfm-engine on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
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[INFO] started tweaking git repo https://github.com/ajzaff/substrate-mfm-engine
[INFO] finished tweaking git repo https://github.com/ajzaff/substrate-mfm-engine
[INFO] tweaked toml for git repo https://github.com/ajzaff/substrate-mfm-engine written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[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)]` 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: `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)]` 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: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 |     w: &mut dyn std::io::Write,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `ignore`
[INFO] [stdout]   --> src/code.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[ignore = "unused"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `ignore` will be ignored, since it's applied to the macro invocation `lalrpop_mod`
[INFO] [stdout]   --> src/code.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | lalrpop_mod!(pub substrate); // syntesized by LALRPOP
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[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] 209 |         (2, -1) => 19,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` 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] 210 |         (2, 1) => 20,
[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] 209 |         (2, -1) => 19,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` 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] 210 |         (2, 1) => 20,
[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)]` 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: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reset` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:79:10
[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: 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: field `scale` is never read
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct DenseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 364 |     scale: usize,
[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: associated function `new` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_scale` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:374:12
[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: associated function `new` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:505:12
[INFO] [stdout]     |
[INFO] [stdout] 505 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_scale` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:509:12
[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: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Label`, `Metadata`, and `Instruction` are never constructed
[INFO] [stdout]  --> src/bin/../ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Node<'input> {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 6 |     Label(&'input str),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     Metadata(Metadata<'input>),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 8 |     Instruction(Instruction<'input>),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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)]` 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: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:65:10
[INFO] [stdout]    |
[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: 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: field `scale` is never read
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct DenseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 364 |     scale: usize,
[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: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn new(rng: &'a mut R) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_scale` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:374:12
[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: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Label`, `Metadata`, and `Instruction` are never constructed
[INFO] [stdout]  --> src/bin/../ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Node<'input> {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 6 |     Label(&'input str),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     Metadata(Metadata<'input>),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 8 |     Instruction(Instruction<'input>),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `components` is never used
[INFO] [stdout]   --> src/base/color.rs:23:10
[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-e7658192b7477a34/out/substrate.rs:4896:16
[INFO] [stdout]      |
[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-e7658192b7477a34/out/substrate.rs:8362:16
[INFO] [stdout]      |
[INFO] [stdout] 8362 |         pub fn new() -> MetadataParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 16s
[INFO] running `Command { std: "docker" "inspect" "75a4e305ee9c4c749ac353a59be127d7eda202ea8fd599ca17ebdd0e54956997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a4e305ee9c4c749ac353a59be127d7eda202ea8fd599ca17ebdd0e54956997", kill_on_drop: false }`
[INFO] [stdout] 75a4e305ee9c4c749ac353a59be127d7eda202ea8fd599ca17ebdd0e54956997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9593ffb2798aef02ed6e9745276e20a343b27497e0799b339b6b6487e04cf58
[INFO] running `Command { std: "docker" "start" "-a" "d9593ffb2798aef02ed6e9745276e20a343b27497e0799b339b6b6487e04cf58", kill_on_drop: false }`
[INFO] [stderr]    Compiling substrate-engine v0.1.0 (/opt/rustwide/workdir)
[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)]` 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)]` 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 289 |     w: &mut dyn std::io::Write,
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `ignore`
[INFO] [stdout]   --> src/code.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[ignore = "unused"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `ignore` will be ignored, since it's applied to the macro invocation `lalrpop_mod`
[INFO] [stdout]   --> src/code.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | lalrpop_mod!(pub substrate); // syntesized by LALRPOP
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[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] 209 |         (2, -1) => 19,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` 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] 210 |         (2, 1) => 20,
[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] 209 |         (2, -1) => 19,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` 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] 210 |         (2, 1) => 20,
[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)]` 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: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reset` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:79:10
[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: field `scale` is never read
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct DenseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 364 |     scale: usize,
[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: associated function `new` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_scale` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:374:12
[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: associated function `new` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:505:12
[INFO] [stdout]     |
[INFO] [stdout] 505 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_scale` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:509:12
[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: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Label`, `Metadata`, and `Instruction` are never constructed
[INFO] [stdout]  --> src/bin/../ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Node<'input> {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 6 |     Label(&'input str),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     Metadata(Metadata<'input>),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 8 |     Instruction(Instruction<'input>),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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)]` 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: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../runtime/mod.rs:65:10
[INFO] [stdout]    |
[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: 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: field `scale` is never read
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:364:5
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub struct DenseGrid<'a, R: RngCore> {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 364 |     scale: usize,
[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: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../runtime/mfm.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn new(rng: &'a mut R) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:370:12
[INFO] [stdout]     |
[INFO] [stdout] 370 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_scale` is never used
[INFO] [stdout]    --> src/bin/../runtime/mfm.rs:374:12
[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: associated function `new` is never used
[INFO] [stdout]   --> src/bin/../base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Label`, `Metadata`, and `Instruction` are never constructed
[INFO] [stdout]  --> src/bin/../ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Node<'input> {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 6 |     Label(&'input str),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     Metadata(Metadata<'input>),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 8 |     Instruction(Instruction<'input>),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/base/color.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn new() -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `components` is never used
[INFO] [stdout]   --> src/base/color.rs:23:10
[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-e7658192b7477a34/out/substrate.rs:4896:16
[INFO] [stdout]      |
[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-e7658192b7477a34/out/substrate.rs:8362:16
[INFO] [stdout]      |
[INFO] [stdout] 8362 |         pub fn new() -> MetadataParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "d9593ffb2798aef02ed6e9745276e20a343b27497e0799b339b6b6487e04cf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9593ffb2798aef02ed6e9745276e20a343b27497e0799b339b6b6487e04cf58", kill_on_drop: false }`
[INFO] [stdout] d9593ffb2798aef02ed6e9745276e20a343b27497e0799b339b6b6487e04cf58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25ab15e18600d3ca488f0d955e40f6942f77f74c6cdcb8a54b79ccaa0546cb44
[INFO] running `Command { std: "docker" "start" "-a" "25ab15e18600d3ca488f0d955e40f6942f77f74c6cdcb8a54b79ccaa0546cb44", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `log::trace`
[INFO] [stderr]   --> src/bin/../runtime/mfm.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use log::trace;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::RngCore`
[INFO] [stderr]   --> src/bin/../runtime/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::RngCore;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/../runtime/mfm.rs:289:13
[INFO] [stderr]     |
[INFO] [stderr] 289 |     w: &mut std::io::Write,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 289 |     w: &mut dyn std::io::Write,
[INFO] [stderr]     |             +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EventWindow`
[INFO] [stderr]  --> src/bin/../runtime/mod.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | use mfm::{EventWindow, Metadata};
[INFO] [stderr]   |           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bin/../runtime/mfm.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |         (2, -1) => 19,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/bin/../runtime/mfm.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         (2, 1) => 20,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]    --> src/bin/ewar.rs:61:3
[INFO] [stderr]     |
[INFO] [stderr] 52  | struct Cli {
[INFO] [stderr]     |        --- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 61  |   random_seed: u64,
[INFO] [stderr]     |   ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69  |   n: u32,
[INFO] [stderr]     |   ^
[INFO] [stderr] ...
[INFO] [stderr] 76  |   seed_element: Option<String>,
[INFO] [stderr]     |   ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 83  |   expect: Option<String>,
[INFO] [stderr]     |   ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 93  |   output: Output,
[INFO] [stderr]     |   ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |   output_mode: OutputMode,
[INFO] [stderr]     |   ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 111 |   color: ColorMode,
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 125 |   checksum: bool,
[INFO] [stderr]     |   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `NoElement` and `StackUnderflow` are never constructed
[INFO] [stderr]   --> src/bin/../runtime/mod.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub enum Error {
[INFO] [stderr]    |          ----- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 36 |   NoElement,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |   StackUnderflow, // TODO: add context
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/bin/../runtime/mod.rs:65:10
[INFO] [stderr]    |
[INFO] [stderr] 65 |   pub fn new() -> Self {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `reset` is never used
[INFO] [stderr]   --> src/bin/../runtime/mod.rs:79:10
[INFO] [stderr]    |
[INFO] [stderr] 79 |   pub fn reset(&mut self, s: Symmetries) {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `EMPTY` is never used
[INFO] [stderr]   --> src/bin/../runtime/mfm.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 | const EMPTY: char = '.';
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `OCCUPIED` is never used
[INFO] [stderr]   --> src/bin/../runtime/mfm.rs:35:7
[INFO] [stderr]    |
[INFO] [stderr] 35 | const OCCUPIED: char = 'x';
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BAD` is never used
[INFO] [stderr]   --> src/bin/../runtime/mfm.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 | const BAD: char = '!';
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `scale` is never read
[INFO] [stderr]    --> src/bin/../runtime/mfm.rs:364:5
[INFO] [stderr]     |
[INFO] [stderr] 360 | pub struct DenseGrid<'a, R: RngCore> {
[INFO] [stderr]     |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 364 |     scale: usize,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `scale` is never read
[INFO] [stderr]    --> src/bin/../runtime/mfm.rs:499:5
[INFO] [stderr]     |
[INFO] [stderr] 495 | pub struct SparseGrid<'a, R: RngCore> {
[INFO] [stderr]     |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 499 |     scale: usize,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/bin/../runtime/mfm.rs:370:12
[INFO] [stderr]     |
[INFO] [stderr] 370 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `with_scale` is never used
[INFO] [stderr]    --> src/bin/../runtime/mfm.rs:374:12
[INFO] [stderr]     |
[INFO] [stderr] 374 |     pub fn with_scale(rng: &'a mut R, scale: usize, size: (usize, usize)) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/bin/../runtime/mfm.rs:505:12
[INFO] [stderr]     |
[INFO] [stderr] 505 |     pub fn new(rng: &'a mut R, size: (usize, usize)) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `with_scale` is never used
[INFO] [stderr]    --> src/bin/../runtime/mfm.rs:509:12
[INFO] [stderr]     |
[INFO] [stderr] 509 |     pub fn with_scale(rng: &'a mut R, scale: usize, size: (usize, usize)) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/bin/../base/color.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |   pub fn new() -> Self {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Label`, `Metadata`, and `Instruction` are never constructed
[INFO] [stderr]  --> src/bin/../ast.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub enum Node<'input> {
[INFO] [stderr]   |          ---- variants in this enum
[INFO] [stderr] 6 |     Label(&'input str),
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 7 |     Metadata(Metadata<'input>),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 8 |     Instruction(Instruction<'input>),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Node` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute `ignore`
[INFO] [stderr]   --> src/code.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[ignore = "unused"]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the built-in attribute `ignore` will be ignored, since it's applied to the macro invocation `lalrpop_mod`
[INFO] [stderr]   --> src/code.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | lalrpop_mod!(pub substrate); // syntesized by LALRPOP
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/base/color.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |   pub fn new() -> Self {
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `components` is never used
[INFO] [stderr]   --> src/base/color.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 |   pub fn components(&self) -> (u8, u8, u8, u8) {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `NoName` is never constructed
[INFO] [stderr]   --> src/code.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub enum CompileError<'input> {
[INFO] [stderr]    |          ------------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 29 |     NoName,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CompileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/substrate-engine-e7658192b7477a34/out/substrate.rs:4896:16
[INFO] [stderr]      |
[INFO] [stderr] 4896 |         pub fn new() -> InstructionParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/substrate-engine-e7658192b7477a34/out/substrate.rs:8362:16
[INFO] [stderr]      |
[INFO] [stderr] 8362 |         pub fn new() -> MetadataParser {
[INFO] [stderr]      |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DenseGrid`
[INFO] [stderr]   --> src/bin/ewimops.rs:10:46
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::runtime::mfm::{select_symmetries, DenseGrid, EventWindow, Rand, SparseGrid};
[INFO] [stderr]    |                                              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::trace`
[INFO] [stderr]   --> src/bin/ewimops.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use log::trace;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `scale` and `random_seed` are never read
[INFO] [stderr]   --> src/bin/ewimops.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct Cli {
[INFO] [stderr]    |        --- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 55 |     scale: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     random_seed: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `VOID` is never used
[INFO] [stderr]   --> src/bin/../runtime/mfm.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | const VOID: char = ' ';
[INFO] [stderr]    |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `UNKNOWN` is never used
[INFO] [stderr]   --> src/bin/../runtime/mfm.rs:36:7
[INFO] [stderr]    |
[INFO] [stderr] 36 | const UNKNOWN: char = '?';
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `debug_event_window` is never used
[INFO] [stderr]    --> src/bin/../runtime/mfm.rs:287:8
[INFO] [stderr]     |
[INFO] [stderr] 287 | pub fn debug_event_window<T: EventWindow>(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/bin/../runtime/mfm.rs:86:12
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn new(rng: &'a mut R) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `substrate-engine` (bin "ewar" test) generated 21 warnings (run `cargo fix --bin "ewar" --tests` to apply 3 suggestions)
[INFO] [stderr] warning: `substrate-engine` (bin "ewac" test) generated 6 warnings
[INFO] [stderr] warning: `substrate-engine` (bin "ewimops" test) generated 24 warnings (17 duplicates) (run `cargo fix --bin "ewimops" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ewac-61d9350b5d01fefe)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test base::arith::tests::test_abs ... ok
[INFO] [stdout] test base::arith::tests::test_apply_signed_offset0 ... ok
[INFO] [stdout] test base::arith::tests::test_is_neg ... ok
[INFO] [stdout] test base::arith::tests::test_apply_unsigned ... ok
[INFO] [stdout] test base::arith::tests::test_bitscanforward ... ok
[INFO] [stdout] test base::arith::tests::test_store_unsigned ... ok
[INFO] [stdout] test base::arith::tests::test_count_ones ... ok
[INFO] [stdout] test base::arith::tests::test_bitscanreverse ... ok
[INFO] [stdout] test base::arith::tests::test_is_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ewar.rs (/opt/rustwide/target/debug/deps/ewar-9927576f37dbdaab)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test base::arith::tests::test_apply_unsigned ... ok
[INFO] [stdout] test base::arith::tests::test_bitscanreverse ... ok
[INFO] [stdout] test base::arith::tests::test_abs ... ok
[INFO] [stdout] test base::arith::tests::test_bitscanforward ... ok
[INFO] [stdout] test base::arith::tests::test_apply_signed_offset0 ... ok
[INFO] [stdout] test runtime::mfm::tests::test_sample_one_symmetries ... ok
[INFO] [stdout] test runtime::mfm::tests::test_sample_none_symmetries ... ok
[INFO] [stdout] test runtime::mfm::tests::test_sample_all_symmetries ... ok
[INFO] [stdout] test runtime::mfm::tests::test_sample_some_symmetries ... ok
[INFO] [stdout] test base::arith::tests::test_store_unsigned ... ok
[INFO] [stdout] test base::arith::tests::test_is_neg ... ok
[INFO] [stdout] test base::arith::tests::test_count_ones ... ok
[INFO] [stderr]      Running unittests src/bin/ewimops.rs (/opt/rustwide/target/debug/deps/ewimops-cd3d3f74406382b0)
[INFO] [stdout] test base::arith::tests::test_is_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test base::arith::tests::test_apply_unsigned ... ok
[INFO] [stdout] test base::arith::tests::test_abs ... ok
[INFO] [stdout] test base::arith::tests::test_apply_signed_offset0 ... ok
[INFO] [stdout] test base::arith::tests::test_bitscanreverse ... ok
[INFO] [stdout] test runtime::mfm::tests::test_sample_one_symmetries ... ok
[INFO] [stdout] test runtime::mfm::tests::test_sample_some_symmetries ... ok
[INFO] [stdout] test runtime::mfm::tests::test_sample_all_symmetries ... ok
[INFO] [stdout] test base::arith::tests::test_count_ones ... ok
[INFO] [stdout] test base::arith::tests::test_store_unsigned ... ok
[INFO] [stdout] test runtime::mfm::tests::test_sample_none_symmetries ... ok
[INFO] [stdout] test base::arith::tests::test_is_neg ... ok
[INFO] [stdout] test base::arith::tests::test_bitscanforward ... ok
[INFO] [stdout] test base::arith::tests::test_is_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25ab15e18600d3ca488f0d955e40f6942f77f74c6cdcb8a54b79ccaa0546cb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ab15e18600d3ca488f0d955e40f6942f77f74c6cdcb8a54b79ccaa0546cb44", kill_on_drop: false }`
[INFO] [stdout] 25ab15e18600d3ca488f0d955e40f6942f77f74c6cdcb8a54b79ccaa0546cb44