[INFO] cloning repository https://github.com/mbalc/turinglike-oversophisticated-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbalc/turinglike-oversophisticated-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbalc%2Fturinglike-oversophisticated-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbalc%2Fturinglike-oversophisticated-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02b04ee9f17ca8aa9afae876d9a55bf8e4645b9f
[INFO] checking mbalc/turinglike-oversophisticated-calculator against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbalc%2Fturinglike-oversophisticated-calculator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mbalc/turinglike-oversophisticated-calculator
[INFO] finished tweaking git repo https://github.com/mbalc/turinglike-oversophisticated-calculator
[INFO] tweaked toml for git repo https://github.com/mbalc/turinglike-oversophisticated-calculator written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mbalc/turinglike-oversophisticated-calculator on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mbalc/turinglike-oversophisticated-calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29fbf9a1e8cd96302d736a85d60d83867ae46aa8d80ee96452a07db18f74414b
[INFO] running `Command { std: "docker" "start" "-a" "29fbf9a1e8cd96302d736a85d60d83867ae46aa8d80ee96452a07db18f74414b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29fbf9a1e8cd96302d736a85d60d83867ae46aa8d80ee96452a07db18f74414b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29fbf9a1e8cd96302d736a85d60d83867ae46aa8d80ee96452a07db18f74414b", kill_on_drop: false }`
[INFO] [stdout] 29fbf9a1e8cd96302d736a85d60d83867ae46aa8d80ee96452a07db18f74414b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 996af303bc45d163eba38f24f6f6c91905067655b4f965b7a5ed09d0b32319bc
[INFO] running `Command { std: "docker" "start" "-a" "996af303bc45d163eba38f24f6f6c91905067655b4f965b7a5ed09d0b32319bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking intbits v0.2.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking scan_fmt v0.2.5
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking turinglike-oversophisticated-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::machine::classic::Config`
[INFO] [stdout]  --> src/machine/translation/double_transition.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::machine::classic::Config;
[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 imports: `Bound` and `RangeBounds`
[INFO] [stdout]  --> src/types.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ops::{Bound, Range, RangeBounds};
[INFO] [stdout]   |                 ^^^^^         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::machine::classic::Config`
[INFO] [stdout]  --> src/machine/translation/double_transition.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::machine::classic::Config;
[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 imports: `Bound` and `RangeBounds`
[INFO] [stdout]  --> src/types.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ops::{Bound, Range, RangeBounds};
[INFO] [stdout]   |                 ^^^^^         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::machine::classic::Config`
[INFO] [stdout]  --> src/machine/translation/double_transition.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::machine::classic::Config;
[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 imports: `Bound` and `RangeBounds`
[INFO] [stdout]  --> src/types.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ops::{Bound, Range, RangeBounds};
[INFO] [stdout]   |                 ^^^^^         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `intbits::Bits`
[INFO] [stdout]  --> src/translate.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use intbits::Bits;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::machine::classic::Config`
[INFO] [stdout]  --> src/machine/translation/double_transition.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::machine::classic::Config;
[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 imports: `Bound` and `RangeBounds`
[INFO] [stdout]  --> src/types.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::ops::{Bound, Range, RangeBounds};
[INFO] [stdout]   |                 ^^^^^         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `intbits::Bits`
[INFO] [stdout]  --> src/translate.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use intbits::Bits;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitsIndex`
[INFO] [stdout]  --> src/types.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use intbits::{Bits, BitsIndex};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitsIndex`
[INFO] [stdout]  --> src/types.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use intbits::{Bits, BitsIndex};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitsIndex`
[INFO] [stdout]  --> src/types.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use intbits::{Bits, BitsIndex};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BitsIndex`
[INFO] [stdout]  --> src/types.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use intbits::{Bits, BitsIndex};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tape` is never constructed
[INFO] [stdout]  --> src/machine/component/tape.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Tape {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/machine/component/tape.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Tape {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(initial_content: String) -> Tape {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn write_to_head(&mut self, value: &TapeEntry) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn read_from_head(&self) -> &TapeEntry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn trim_single_trailing_blank(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn move_left(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn move_right(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn move_head(&mut self, direction: &HeadMoveDirection) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_description` and `applicable_to` are never used
[INFO] [stdout]   --> src/machine/component/transition.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Transition {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn from_description(description: &str) -> AppResult<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn applicable_to(&self, cfg: &Config) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transitions_from_description` is never used
[INFO] [stdout]   --> src/machine/logic/loader.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn transitions_from_description(machine_description: String) -> AppResult<Vec<Transition>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Run` is never constructed
[INFO] [stdout]  --> src/machine/classic.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Run {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply_transitions` and `is_accepting_run_reached` are never used
[INFO] [stdout]   --> src/machine/classic.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Run {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 14 |     pub fn apply_transitions(mut self, transitions: &Vec<Transition>) -> Run {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn is_accepting_run_reached(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]   --> src/machine/classic.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Config {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_config_from_after_transition` and `apply` are never used
[INFO] [stdout]   --> src/machine/classic.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Config {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 45 |     pub fn get_config_from_after_transition(&self, trans: &Transition) -> Config {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn apply(mut self, trans: &Transition) -> Config {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClassicMachine` is never constructed
[INFO] [stdout]   --> src/machine/classic.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct ClassicMachine {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `time_limit_reached`, and `run_with_limit` are never used
[INFO] [stdout]   --> src/machine/classic.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl ClassicMachine {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 67 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn time_limit_reached(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn run_with_limit(mut self) -> () {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `states` is never read
[INFO] [stdout]   --> src/machine/translation/translator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct TranslatorInput {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout]  9 |     transitions: Vec<DoubleTransition>,
[INFO] [stdout] 10 |     states: Vec<State>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bit`, `set_bit`, and `set_bits` are never used
[INFO] [stdout]   --> src/types.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl TapeEntry {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn bit(&self, i: Number) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn set_bit(&mut self, i: Number, bit: bool) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn set_bits(&mut self, range: Range<Number>, bits: Number) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]    --> src/types.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout]  87 | impl SuperTapeEntry {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn decode(entry: TapeEntry) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tape` is never constructed
[INFO] [stdout]  --> src/machine/component/tape.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Tape {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/machine/component/tape.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Tape {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(initial_content: String) -> Tape {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn write_to_head(&mut self, value: &TapeEntry) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn read_from_head(&self) -> &TapeEntry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn trim_single_trailing_blank(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn move_left(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn move_right(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn move_head(&mut self, direction: &HeadMoveDirection) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_description` and `applicable_to` are never used
[INFO] [stdout]   --> src/machine/component/transition.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Transition {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn from_description(description: &str) -> AppResult<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn applicable_to(&self, cfg: &Config) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transitions_from_description` is never used
[INFO] [stdout]   --> src/machine/logic/loader.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn transitions_from_description(machine_description: String) -> AppResult<Vec<Transition>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Run` is never constructed
[INFO] [stdout]  --> src/machine/classic.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Run {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply_transitions` and `is_accepting_run_reached` are never used
[INFO] [stdout]   --> src/machine/classic.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Run {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 14 |     pub fn apply_transitions(mut self, transitions: &Vec<Transition>) -> Run {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn is_accepting_run_reached(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]   --> src/machine/classic.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Config {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_config_from_after_transition` and `apply` are never used
[INFO] [stdout]   --> src/machine/classic.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Config {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 45 |     pub fn get_config_from_after_transition(&self, trans: &Transition) -> Config {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn apply(mut self, trans: &Transition) -> Config {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClassicMachine` is never constructed
[INFO] [stdout]   --> src/machine/classic.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct ClassicMachine {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `time_limit_reached`, and `run_with_limit` are never used
[INFO] [stdout]   --> src/machine/classic.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl ClassicMachine {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 67 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn time_limit_reached(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn run_with_limit(mut self) -> () {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `states` is never read
[INFO] [stdout]   --> src/machine/translation/translator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct TranslatorInput {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout]  9 |     transitions: Vec<DoubleTransition>,
[INFO] [stdout] 10 |     states: Vec<State>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bit`, `set_bit`, and `set_bits` are never used
[INFO] [stdout]   --> src/types.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl TapeEntry {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn bit(&self, i: Number) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn set_bit(&mut self, i: Number, bit: bool) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn set_bits(&mut self, range: Range<Number>, bits: Number) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]    --> src/types.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout]  87 | impl SuperTapeEntry {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn decode(entry: TapeEntry) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/types.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |         self.value().clone().to_string()
[INFO] [stdout]    |                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `turinglike-oversophisticated-calculator` (bin "translate") due to 16 previous errors; 18 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `turinglike-oversophisticated-calculator` (bin "translate" test) due to 16 previous errors; 18 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `turinglike-oversophisticated-calculator` (bin "interpreter") due to 16 previous errors; 17 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/types.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |         self.value().clone().to_string()
[INFO] [stdout]    |                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/machine/component/transition.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Transition {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_tape_transitions_from_description` is never used
[INFO] [stdout]   --> src/machine/logic/loader.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn two_tape_transitions_from_description(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DoubleTransition` is never constructed
[INFO] [stdout]  --> src/machine/translation/double_transition.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct DoubleTransition {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_description` is never used
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl DoubleTransition {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn from_description(description: &str) -> AppResult<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TranslatorInput` is never constructed
[INFO] [stdout]  --> src/machine/translation/translator.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct TranslatorInput {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/machine/translation/translator.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TranslatorInput {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new(machine_description: String) -> AppResult<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MachineTranslator` is never constructed
[INFO] [stdout]   --> src/machine/translation/translator.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct MachineTranslator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/machine/translation/translator.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout]  54 | impl MachineTranslator {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout]  55 |     pub fn new(machine_description: String) -> AppResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     fn wrap_original_state(state: &State) -> State {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     fn customized_state(data: &str, values: Vec<String>) -> State {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     fn initial_start_setup_transitions(&self) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn get_data_to_write(trans: &DoubleTransition) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn get_data_to_read_and_write(trans: &DoubleTransition) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn initialize_two_tape_read(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |     fn go_to_start_to_read_from_q(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     fn reach_q_for_read(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn read_value_from_q(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     fn handle_q_head_moved(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |     fn go_to_start_to_write_to_p(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 282 |     fn reach_p_for_write(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 306 |     fn write_value_to_p(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     fn handle_p_head_moved(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     fn teardown_accepting_transitions(&self) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 363 |     pub fn translate(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/types.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl State {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/types.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl TapeEntry {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 31 |     pub const BLANK: TapeEntry = TapeEntry(0);
[INFO] [stdout] 32 |     pub const MAX_BIT_COUNT: Number = 30;
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 33 |
[INFO] [stdout] 34 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn bit(&self, i: Number) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn bits(&self, range: std::ops::Range<Number>) -> Number {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn set_bit(&mut self, i: Number, bit: bool) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn set_bits(&mut self, range: Range<Number>, bits: Number) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn with_bit(&mut self, i: Number, bit: bool) -> TapeEntry {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn with_bits(&mut self, range: Range<Number>, bits: Number) -> TapeEntry {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `direction_to_string` is never used
[INFO] [stdout]   --> src/types.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn direction_to_string(direction: &HeadMoveDirection) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SuperTapeEntry` is never constructed
[INFO] [stdout]   --> src/types.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct SuperTapeEntry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/types.rs:88:11
[INFO] [stdout]     |
[INFO] [stdout]  87 | impl SuperTapeEntry {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout]  88 |     const TAPE_ENTRY_DATA_RANGE: Range<Number> = 0..TapeEntry::MAX_BIT_COUNT;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  89 |     const FIRST_LETTER_RANGE: Range<Number> = 0..TapeEntry::MAX_BIT_COUNT;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  90 |     const SECOND_LETTER_RANGE: Range<Number> =
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  91 |         TapeEntry::MAX_BIT_COUNT..2 * TapeEntry::MAX_BIT_COUNT;
[INFO] [stdout]  92 |     const HAS_FIRST_TAPE_HEAD_ID: Number = 2 * TapeEntry::MAX_BIT_COUNT;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  93 |     const HAS_SECOND_TAPE_HEAD_ID: Number = 2 * TapeEntry::MAX_BIT_COUNT + 1;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  94 |     const IS_START_ID: Number = 2 * TapeEntry::MAX_BIT_COUNT + 2;
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout]  95 |
[INFO] [stdout]  96 |     pub fn encoded(&self) -> TapeEntry {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn decode(entry: TapeEntry) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/types.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |         self.value().clone().to_string()
[INFO] [stdout]    |                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/machine/component/transition.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Transition {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_tape_transitions_from_description` is never used
[INFO] [stdout]   --> src/machine/logic/loader.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn two_tape_transitions_from_description(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DoubleTransition` is never constructed
[INFO] [stdout]  --> src/machine/translation/double_transition.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct DoubleTransition {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_description` is never used
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl DoubleTransition {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn from_description(description: &str) -> AppResult<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TranslatorInput` is never constructed
[INFO] [stdout]  --> src/machine/translation/translator.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct TranslatorInput {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/machine/translation/translator.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TranslatorInput {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new(machine_description: String) -> AppResult<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MachineTranslator` is never constructed
[INFO] [stdout]   --> src/machine/translation/translator.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct MachineTranslator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/machine/translation/translator.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout]  54 | impl MachineTranslator {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout]  55 |     pub fn new(machine_description: String) -> AppResult<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     fn wrap_original_state(state: &State) -> State {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     fn customized_state(data: &str, values: Vec<String>) -> State {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     fn initial_start_setup_transitions(&self) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn get_data_to_write(trans: &DoubleTransition) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn get_data_to_read_and_write(trans: &DoubleTransition) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn initialize_two_tape_read(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |     fn go_to_start_to_read_from_q(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     fn reach_q_for_read(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn read_value_from_q(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     fn handle_q_head_moved(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |     fn go_to_start_to_write_to_p(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 282 |     fn reach_p_for_write(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 306 |     fn write_value_to_p(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     fn handle_p_head_moved(&self, trans: &DoubleTransition) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     fn teardown_accepting_transitions(&self) -> Vec<Transition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 363 |     pub fn translate(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/types.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl State {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/types.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl TapeEntry {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 31 |     pub const BLANK: TapeEntry = TapeEntry(0);
[INFO] [stdout] 32 |     pub const MAX_BIT_COUNT: Number = 30;
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] 33 |
[INFO] [stdout] 34 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn bit(&self, i: Number) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn bits(&self, range: std::ops::Range<Number>) -> Number {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn set_bit(&mut self, i: Number, bit: bool) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn set_bits(&mut self, range: Range<Number>, bits: Number) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn with_bit(&mut self, i: Number, bit: bool) -> TapeEntry {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn with_bits(&mut self, range: Range<Number>, bits: Number) -> TapeEntry {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `direction_to_string` is never used
[INFO] [stdout]   --> src/types.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn direction_to_string(direction: &HeadMoveDirection) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SuperTapeEntry` is never constructed
[INFO] [stdout]   --> src/types.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct SuperTapeEntry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/types.rs:88:11
[INFO] [stdout]     |
[INFO] [stdout]  87 | impl SuperTapeEntry {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout]  88 |     const TAPE_ENTRY_DATA_RANGE: Range<Number> = 0..TapeEntry::MAX_BIT_COUNT;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  89 |     const FIRST_LETTER_RANGE: Range<Number> = 0..TapeEntry::MAX_BIT_COUNT;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  90 |     const SECOND_LETTER_RANGE: Range<Number> =
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  91 |         TapeEntry::MAX_BIT_COUNT..2 * TapeEntry::MAX_BIT_COUNT;
[INFO] [stdout]  92 |     const HAS_FIRST_TAPE_HEAD_ID: Number = 2 * TapeEntry::MAX_BIT_COUNT;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  93 |     const HAS_SECOND_TAPE_HEAD_ID: Number = 2 * TapeEntry::MAX_BIT_COUNT + 1;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  94 |     const IS_START_ID: Number = 2 * TapeEntry::MAX_BIT_COUNT + 2;
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout]  95 |
[INFO] [stdout]  96 |     pub fn encoded(&self) -> TapeEntry {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub fn decode(entry: TapeEntry) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/component/transition.rs:24:49
[INFO] [stdout]    |
[INFO] [stdout] 24 |           let (state1, val1, state2, val2, dir) = scan_fmt!(
[INFO] [stdout]    |  _________________________________________________^
[INFO] [stdout] 25 | |             description,
[INFO] [stdout] 26 | |             "{} {} {} {} {}",
[INFO] [stdout] 27 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |             char
[INFO] [stdout] 32 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/machine/translation/double_transition.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 |           let (state1, val11, val12, state2, val21, val22, dir1, dir2) = scan_fmt!(
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 20 | |             description,
[INFO] [stdout] 21 | |             "{} {} {} {} {} {} {} {}",
[INFO] [stdout] 22 | |             String,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |             char
[INFO] [stdout] 30 | |         )?;
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/types.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |         self.value().clone().to_string()
[INFO] [stdout]    |                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `turinglike-oversophisticated-calculator` (bin "interpreter" test) due to 16 previous errors; 17 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "996af303bc45d163eba38f24f6f6c91905067655b4f965b7a5ed09d0b32319bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996af303bc45d163eba38f24f6f6c91905067655b4f965b7a5ed09d0b32319bc", kill_on_drop: false }`
[INFO] [stdout] 996af303bc45d163eba38f24f6f6c91905067655b4f965b7a5ed09d0b32319bc
