[INFO] cloning repository https://github.com/martenmh/alternating-fixpoint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martenmh/alternating-fixpoint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartenmh%2Falternating-fixpoint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartenmh%2Falternating-fixpoint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5b50324b073d255c664a688665b016cb0319f48
[INFO] checking martenmh/alternating-fixpoint against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartenmh%2Falternating-fixpoint" "/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/martenmh/alternating-fixpoint
[INFO] finished tweaking git repo https://github.com/martenmh/alternating-fixpoint
[INFO] tweaked toml for git repo https://github.com/martenmh/alternating-fixpoint written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/martenmh/alternating-fixpoint on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/martenmh/alternating-fixpoint 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking martenmh/alternating-fixpoint against try#1779a8680dcd39c56ed600627cf6742ef07ed78c for pr-149045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartenmh%2Falternating-fixpoint" "/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/martenmh/alternating-fixpoint
[INFO] finished tweaking git repo https://github.com/martenmh/alternating-fixpoint
[INFO] tweaked toml for git repo https://github.com/martenmh/alternating-fixpoint written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/martenmh/alternating-fixpoint on toolchain 1779a8680dcd39c56ed600627cf6742ef07ed78c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/martenmh/alternating-fixpoint 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" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a353b9cb692d28dbc21d0e6f12da53804c3ed1a414a6d076243b430c5c4c51ce
[INFO] running `Command { std: "docker" "start" "-a" "a353b9cb692d28dbc21d0e6f12da53804c3ed1a414a6d076243b430c5c4c51ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a353b9cb692d28dbc21d0e6f12da53804c3ed1a414a6d076243b430c5c4c51ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a353b9cb692d28dbc21d0e6f12da53804c3ed1a414a6d076243b430c5c4c51ce", kill_on_drop: false }`
[INFO] [stdout] a353b9cb692d28dbc21d0e6f12da53804c3ed1a414a6d076243b430c5c4c51ce
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1779a8680dcd39c56ed600627cf6742ef07ed78c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8db31df067be390d57775df99e315437ac8f9235934e264f4611f2e99d46554b
[INFO] running `Command { std: "docker" "start" "-a" "8db31df067be390d57775df99e315437ac8f9235934e264f4611f2e99d46554b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking rustyline v17.0.2
[INFO] [stderr]     Checking alternating-fixpoint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error` and `Result`
[INFO] [stdout]  --> src/cli/command.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::error::{Error, Result};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/cli/run.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt`
[INFO] [stdout]  --> src/language/glossary.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/language/glossary.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::language::cursor::CursorError`
[INFO] [stdout]  --> src/language/glossary.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::language::cursor::CursorError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::language::ground::GroundLiteral`
[INFO] [stdout]  --> src/language/glossary.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::language::ground::GroundLiteral;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Write`
[INFO] [stdout]   --> src/language/pretty.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         use std::fmt::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter`
[INFO] [stdout]  --> src/language/semantics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     iter, result,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error` and `Result`
[INFO] [stdout]  --> src/cli/command.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::error::{Error, Result};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/cli/run.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/error.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt`
[INFO] [stdout]  --> src/language/glossary.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::fmt;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/language/glossary.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::language::cursor::CursorError`
[INFO] [stdout]  --> src/language/glossary.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::language::cursor::CursorError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::language::ground::GroundLiteral`
[INFO] [stdout]  --> src/language/glossary.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::language::ground::GroundLiteral;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glossary::Atom`
[INFO] [stdout]   --> src/language/iter.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use crate::language::{glossary::Atom, iter::Element, parse::parse_rule};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Write`
[INFO] [stdout]   --> src/language/pretty.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         use std::fmt::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter`
[INFO] [stdout]  --> src/language/semantics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     iter, result,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glossary::*`
[INFO] [stdout]    --> src/language/semantics.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         glossary::*,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]    --> src/cli/command.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn set_config(str: &str) -> () {
[INFO] [stdout]     |               ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]  --> src/cli/run.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run_line(line: &str) {}
[INFO] [stdout]   |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/language/cursor.rs:119:39
[INFO] [stdout]     |
[INFO] [stdout] 119 |         !self.check_after_whitespace(|c: char| true) // there are still non-whitespace characters left
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/language/parse.rs:43:39
[INFO] [stdout]    |
[INFO] [stdout] 43 |             ParseError::StringError { err } => todo!(),
[INFO] [stdout]    |                                       ^^^ help: try ignoring the field: `err: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]   --> src/language/parse.rs:47:37
[INFO] [stdout]    |
[INFO] [stdout] 47 |             ParseError::InvalidAtom(term, _) => todo!(),
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]    --> src/cli/command.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn set_config(str: &str) -> () {
[INFO] [stdout]     |               ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]  --> src/cli/run.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run_line(line: &str) {}
[INFO] [stdout]   |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/language/cursor.rs:119:39
[INFO] [stdout]     |
[INFO] [stdout] 119 |         !self.check_after_whitespace(|c: char| true) // there are still non-whitespace characters left
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/language/semantics.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn immediate_consequence_operator(&self, i: &LiteralSet) {
[INFO] [stdout]     |                                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule`
[INFO] [stdout]    --> src/language/semantics.rs:246:26
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub fn semi_naive_ground(rule: &Program) -> Result<GroundProgram> {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_rule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Interpretation` is more private than the item `semantics::<impl ground::GroundProgram>::get_unknowns`
[INFO] [stdout]    --> src/language/semantics.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     pub fn get_unknowns<'a>(
[INFO] [stdout] 110 | |         &'a self,
[INFO] [stdout] 111 | |         interpretation: &'a Interpretation,
[INFO] [stdout] 112 | |     ) -> HashSet<Ground<&'a Atom>> {
[INFO] [stdout]     | |__________________________________^ method `semantics::<impl ground::GroundProgram>::get_unknowns` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Interpretation` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/language/semantics.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout]  22 | struct Interpretation {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Interpretation` is more private than the item `semantics::<impl ground::GroundProgram>::alternating_fixpoint`
[INFO] [stdout]    --> src/language/semantics.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn alternating_fixpoint(&self) -> Result<Interpretation> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `semantics::<impl ground::GroundProgram>::alternating_fixpoint` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Interpretation` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/language/semantics.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout]  22 | struct Interpretation {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hidden` is never read
[INFO] [stdout]   --> src/cli/command.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Command {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     hidden: bool, // Show command in general help
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Command` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `usage` and `hidden` are never used
[INFO] [stdout]   --> src/cli/command.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Command {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     const fn usage(mut self, usage: &'static str) -> Self {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     const fn hidden(mut self) -> Self {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_command_evaluator` is never used
[INFO] [stdout]    --> src/cli/command.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn get_command_evaluator(name: &str) -> Option<Evaluator> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_config` is never used
[INFO] [stdout]    --> src/cli/command.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn set_config(str: &str) -> () {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Semantics` is never used
[INFO] [stdout]  --> src/language/config.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Semantics {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]  --> src/language/config.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Config {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected`, `found`, and `position` are never read
[INFO] [stdout]   --> src/language/cursor.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ExpectedChar {
[INFO] [stdout]    |     ------------ fields in this variant
[INFO] [stdout] 50 |         expected: char,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 51 |         found: Option<char>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 52 |         position: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CursorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]   --> src/language/cursor.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     UnexpectedEof {
[INFO] [stdout]    |     ------------- field in this variant
[INFO] [stdout] 55 |         position: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CursorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/language/parse.rs:43:39
[INFO] [stdout]    |
[INFO] [stdout] 43 |             ParseError::StringError { err } => todo!(),
[INFO] [stdout]    |                                       ^^^ help: try ignoring the field: `err: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedChar` is never constructed
[INFO] [stdout]   --> src/language/cursor.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub enum CursorError {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 45 |     UnexpectedChar {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CursorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]   --> src/language/parse.rs:47:37
[INFO] [stdout]    |
[INFO] [stdout] 47 |             ParseError::InvalidAtom(term, _) => todo!(),
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `check_eof` and `pretty_print_input` are never used
[INFO] [stdout]    --> src/language/cursor.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout]  68 | impl<'a> Cursor<'a> {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn check_eof(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     fn pretty_print_input(&self, range: Span) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]   --> src/language/glossary.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Program {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Query` is never constructed
[INFO] [stdout]   --> src/language/glossary.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct Query {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GroundOps` is never used
[INFO] [stdout]    --> src/language/ground.rs:136:11
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub trait GroundOps<T: ?Sized> {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `body` is never used
[INFO] [stdout]    --> src/language/ground.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub trait GroundRuleOps {
[INFO] [stdout]     |           ------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 160 |     fn body(&self) -> &[Literal];
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_negative` is never used
[INFO] [stdout]    --> src/language/ground.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub trait GroundAtomOps {
[INFO] [stdout]     |           ------------- method in this trait
[INFO] [stdout] 207 |     fn into_positive(&self) -> Ground<Literal>;
[INFO] [stdout] 208 |     fn into_negative(&self) -> Ground<Literal>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GroundVecExt` is never used
[INFO] [stdout]    --> src/language/ground.rs:242:11
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub trait GroundVecExt<'a, T> {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `GroundRule` is never used
[INFO] [stdout]    --> src/language/ground.rs:345:10
[INFO] [stdout]     |
[INFO] [stdout] 345 | pub type GroundRule = Ground<Rule>;
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `GroundLiteral` is never used
[INFO] [stdout]    --> src/language/ground.rs:346:10
[INFO] [stdout]     |
[INFO] [stdout] 346 | pub type GroundLiteral = Ground<Literal>;
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `GroundAtom` is never used
[INFO] [stdout]    --> src/language/ground.rs:347:10
[INFO] [stdout]     |
[INFO] [stdout] 347 | pub type GroundAtom = Ground<Atom>;
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GroundProgram` is never constructed
[INFO] [stdout]    --> src/language/ground.rs:348:12
[INFO] [stdout]     |
[INFO] [stdout] 348 | pub struct GroundProgram {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]   --> src/language/parse.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     StringError { err: CursorError },
[INFO] [stdout]    |     -----------   ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/language/parse.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     InvalidIdentifier(char, Span),
[INFO] [stdout]    |     ----------------- ^^^^  ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 11 -     InvalidIdentifier(char, Span),
[INFO] [stdout] 11 +     InvalidIdentifier((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/language/parse.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ExpectedIdentifier(usize),
[INFO] [stdout]    |     ------------------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     ExpectedIdentifier(usize),
[INFO] [stdout] 12 +     ExpectedIdentifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/language/parse.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     InvalidAtom(Term, Span),
[INFO] [stdout]    |     ----------- ^^^^  ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 14 -     InvalidAtom(Term, Span),
[INFO] [stdout] 14 +     InvalidAtom((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidCompound` and `UnexpectedNegation` are never constructed
[INFO] [stdout]   --> src/language/parse.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     InvalidCompound(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     UnexpectedNegation,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_error` is never used
[INFO] [stdout]   --> src/language/parse.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<'a> Parser<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn print_error(&self, err: ParseError) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_program` is never used
[INFO] [stdout]    --> src/language/parse.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn parse_program(input: &str) -> Result<Program> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `num_to_subscript` is never used
[INFO] [stdout]  --> src/language/pretty.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn num_to_subscript(num: usize) -> &'static str {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HerbrandUniverse` is never used
[INFO] [stdout]   --> src/language/semantics.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type HerbrandUniverse = HashSet<Term>;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TruthValue` is never used
[INFO] [stdout]   --> src/language/semantics.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum TruthValue {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interpretation` is never constructed
[INFO] [stdout]   --> src/language/semantics.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Interpretation {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `truth_value` are never used
[INFO] [stdout]   --> src/language/semantics.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Interpretation {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 28 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn truth_value(&self, atom: &Atom) -> TruthValue {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SemanticError` is never used
[INFO] [stdout]   --> src/language/semantics.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub enum SemanticError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/language/semantics.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | type Result<T> = result::Result<T, SemanticError>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `herbrand_universe` is never used
[INFO] [stdout]   --> src/language/semantics.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Program {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 85 |     /// Returns all unique constants of a program
[INFO] [stdout] 86 |     pub fn herbrand_universe(&self, only_facts: bool) -> HerbrandUniverse {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `LiteralSet` is never used
[INFO] [stdout]    --> src/language/semantics.rs:106:6
[INFO] [stdout]     |
[INFO] [stdout] 106 | type LiteralSet = HashSet<GroundLiteral>;
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/language/semantics.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl GroundProgram {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] 109 |     pub fn get_unknowns<'a>(
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn herbrand_base(&self) -> HashSet<Ground<&Atom>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn immediate_consequence_operator(&self, i: &LiteralSet) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn horn_least_fixpoint(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn negative_complement(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     pub fn A_P(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 211 |     pub fn alternating_fixpoint(&self) -> Result<Interpretation> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `semi_naive_ground` is never used
[INFO] [stdout]    --> src/language/semantics.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub fn semi_naive_ground(rule: &Program) -> Result<GroundProgram> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naive_ground_rule` is never used
[INFO] [stdout]    --> src/language/semantics.rs:249:8
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub fn naive_ground_rule(rule: &Rule, constants: &HashSet<Term>) -> HashSet<Ground<Rule>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naive_ground` is never used
[INFO] [stdout]    --> src/language/semantics.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | pub fn naive_ground(program: &Program) -> Result<GroundProgram> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli/command.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | /     rule.inspect(|v| println!("{}", v.clone().either_into::<Rule>()))
[INFO] [stdout] 130 | |         .inspect_err(|e| println!("{}", e));
[INFO] [stdout]     | |___________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let _ = rule.inspect(|v| println!("{}", v.clone().either_into::<Rule>()))
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `H` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let H = self
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `h`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:145:39
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn horn_least_fixpoint(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |                                       ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:185:35
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn negative_complement(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |                                   ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `H` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let H = self.herbrand_base();
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S_P` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let S_P = self.horn_least_fixpoint(I)?;
[INFO] [stdout]     |             ^^^ help: convert the identifier to snake case: `s_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `s_P` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let s_P = H
[INFO] [stdout]     |             ^^^ help: convert the identifier to snake case: `s_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `A_P` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn A_P(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |            ^^^ help: convert the identifier to snake case: `a_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:206:23
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn A_P(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |                       ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let mut I = LiteralSet::new(); // Assume nothing is false
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/language/semantics.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn immediate_consequence_operator(&self, i: &LiteralSet) {
[INFO] [stdout]     |                                                  ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule`
[INFO] [stdout]    --> src/language/semantics.rs:246:26
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub fn semi_naive_ground(rule: &Program) -> Result<GroundProgram> {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_rule`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Interpretation` is more private than the item `semantics::<impl ground::GroundProgram>::get_unknowns`
[INFO] [stdout]    --> src/language/semantics.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     pub fn get_unknowns<'a>(
[INFO] [stdout] 110 | |         &'a self,
[INFO] [stdout] 111 | |         interpretation: &'a Interpretation,
[INFO] [stdout] 112 | |     ) -> HashSet<Ground<&'a Atom>> {
[INFO] [stdout]     | |__________________________________^ method `semantics::<impl ground::GroundProgram>::get_unknowns` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Interpretation` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/language/semantics.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout]  22 | struct Interpretation {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Interpretation` is more private than the item `semantics::<impl ground::GroundProgram>::alternating_fixpoint`
[INFO] [stdout]    --> src/language/semantics.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     pub fn alternating_fixpoint(&self) -> Result<Interpretation> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `semantics::<impl ground::GroundProgram>::alternating_fixpoint` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Interpretation` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/language/semantics.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout]  22 | struct Interpretation {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hidden` is never read
[INFO] [stdout]   --> src/cli/command.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Command {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     hidden: bool, // Show command in general help
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Command` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `usage` and `hidden` are never used
[INFO] [stdout]   --> src/cli/command.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Command {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |     const fn usage(mut self, usage: &'static str) -> Self {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     const fn hidden(mut self) -> Self {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_command_evaluator` is never used
[INFO] [stdout]    --> src/cli/command.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn get_command_evaluator(name: &str) -> Option<Evaluator> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_config` is never used
[INFO] [stdout]    --> src/cli/command.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn set_config(str: &str) -> () {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Semantics` is never used
[INFO] [stdout]  --> src/language/config.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Semantics {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]  --> src/language/config.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Config {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected`, `found`, and `position` are never read
[INFO] [stdout]   --> src/language/cursor.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ExpectedChar {
[INFO] [stdout]    |     ------------ fields in this variant
[INFO] [stdout] 50 |         expected: char,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 51 |         found: Option<char>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 52 |         position: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CursorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]   --> src/language/cursor.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     UnexpectedEof {
[INFO] [stdout]    |     ------------- field in this variant
[INFO] [stdout] 55 |         position: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CursorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedChar` is never constructed
[INFO] [stdout]   --> src/language/cursor.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub enum CursorError {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] 45 |     UnexpectedChar {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CursorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Query` is never constructed
[INFO] [stdout]   --> src/language/glossary.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct Query {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GroundOps` is never used
[INFO] [stdout]    --> src/language/ground.rs:136:11
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub trait GroundOps<T: ?Sized> {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GroundVecExt` is never used
[INFO] [stdout]    --> src/language/ground.rs:242:11
[INFO] [stdout]     |
[INFO] [stdout] 242 | pub trait GroundVecExt<'a, T> {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]   --> src/language/parse.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     StringError { err: CursorError },
[INFO] [stdout]    |     -----------   ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/language/parse.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     InvalidIdentifier(char, Span),
[INFO] [stdout]    |     ----------------- ^^^^  ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 11 -     InvalidIdentifier(char, Span),
[INFO] [stdout] 11 +     InvalidIdentifier((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/language/parse.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ExpectedIdentifier(usize),
[INFO] [stdout]    |     ------------------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     ExpectedIdentifier(usize),
[INFO] [stdout] 12 +     ExpectedIdentifier(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/language/parse.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     InvalidAtom(Term, Span),
[INFO] [stdout]    |     ----------- ^^^^  ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 14 -     InvalidAtom(Term, Span),
[INFO] [stdout] 14 +     InvalidAtom((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidCompound` and `UnexpectedNegation` are never constructed
[INFO] [stdout]   --> src/language/parse.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     InvalidCompound(usize),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     UnexpectedNegation,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_error` is never used
[INFO] [stdout]   --> src/language/parse.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<'a> Parser<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn print_error(&self, err: ParseError) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TruthValue` is never used
[INFO] [stdout]   --> src/language/semantics.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum TruthValue {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `truth_value` are never used
[INFO] [stdout]   --> src/language/semantics.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Interpretation {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 28 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn truth_value(&self, atom: &Atom) -> TruthValue {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UngroundedFact` is never constructed
[INFO] [stdout]   --> src/language/semantics.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub enum SemanticError {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 48 |     UngroundedFact(Fact),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SemanticError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `immediate_consequence_operator` is never used
[INFO] [stdout]    --> src/language/semantics.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl GroundProgram {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn immediate_consequence_operator(&self, i: &LiteralSet) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `semi_naive_ground` is never used
[INFO] [stdout]    --> src/language/semantics.rs:246:8
[INFO] [stdout]     |
[INFO] [stdout] 246 | pub fn semi_naive_ground(rule: &Program) -> Result<GroundProgram> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli/command.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | /     rule.inspect(|v| println!("{}", v.clone().either_into::<Rule>()))
[INFO] [stdout] 130 | |         .inspect_err(|e| println!("{}", e));
[INFO] [stdout]     | |___________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let _ = rule.inspect(|v| println!("{}", v.clone().either_into::<Rule>()))
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `H` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let H = self
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `h`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:145:39
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn horn_least_fixpoint(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |                                       ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:185:35
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn negative_complement(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |                                   ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `H` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let H = self.herbrand_base();
[INFO] [stdout]     |             ^ help: convert the identifier to snake case: `h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S_P` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let S_P = self.horn_least_fixpoint(I)?;
[INFO] [stdout]     |             ^^^ help: convert the identifier to snake case: `s_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `s_P` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let s_P = H
[INFO] [stdout]     |             ^^^ help: convert the identifier to snake case: `s_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `A_P` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn A_P(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |            ^^^ help: convert the identifier to snake case: `a_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:206:23
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn A_P(&self, I: &LiteralSet) -> Result<LiteralSet> {
[INFO] [stdout]     |                       ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let mut I = LiteralSet::new(); // Assume nothing is false
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |         let mut I = LiteralSet::new(); // Assume nothing is false
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S_p` should have a snake case name
[INFO] [stdout]    --> src/language/semantics.rs:405:17
[INFO] [stdout]     |
[INFO] [stdout] 405 |             let S_p = program
[INFO] [stdout]     |                 ^^^ help: convert the identifier to snake case (notice the capitalization): `s_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "8db31df067be390d57775df99e315437ac8f9235934e264f4611f2e99d46554b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db31df067be390d57775df99e315437ac8f9235934e264f4611f2e99d46554b", kill_on_drop: false }`
[INFO] [stdout] 8db31df067be390d57775df99e315437ac8f9235934e264f4611f2e99d46554b
