[INFO] cloning repository https://github.com/edmugabi/flat-narrow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edmugabi/flat-narrow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedmugabi%2Fflat-narrow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedmugabi%2Fflat-narrow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acdf32b7a18e194c479f98e2607b2a63b271a540
[INFO] checking edmugabi/flat-narrow against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedmugabi%2Fflat-narrow" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edmugabi/flat-narrow on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/edmugabi/flat-narrow
[INFO] finished tweaking git repo https://github.com/edmugabi/flat-narrow
[INFO] tweaked toml for git repo https://github.com/edmugabi/flat-narrow written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/edmugabi/flat-narrow 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded disjoint-sets v0.4.2
[INFO] [stderr]   Downloaded nom v6.2.1
[INFO] [stderr]   Downloaded bitvec v0.19.6
[INFO] [stderr]   Downloaded regex v1.4.6
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff991d9eb9569cfd337b160af388ca40ccb4efe72a82647c99c4f4818237c07b
[INFO] running `Command { std: "docker" "start" "-a" "ff991d9eb9569cfd337b160af388ca40ccb4efe72a82647c99c4f4818237c07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff991d9eb9569cfd337b160af388ca40ccb4efe72a82647c99c4f4818237c07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff991d9eb9569cfd337b160af388ca40ccb4efe72a82647c99c4f4818237c07b", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a682f917720b678313ee49ec424e9f4975f88d090cd7a2d2114a5e752d5ff064
[INFO] running `Command { std: "docker" "start" "-a" "a682f917720b678313ee49ec424e9f4975f88d090cd7a2d2114a5e752d5ff064", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking disjoint-sets v0.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking limi-prolog-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::once`
[INFO] [stdout]  --> src/flat_narrow/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::once;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `tvar`
[INFO] [stdout]   --> src/flat_narrow/term.rs:52:14
[INFO] [stdout]    |
[INFO] [stdout] 52 | macro_rules! tvar {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Symbol::*`
[INFO] [stdout]    --> src/flat_narrow/term.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |         use Symbol::*;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::term::Symbol`
[INFO] [stdout]  --> src/flat_narrow/goal.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::term::Symbol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/flat_narrow/env.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BTreeMap, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/flat_narrow/cpoint.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log::{debug, info};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::term::Term`
[INFO] [stdout]  --> src/flat_narrow/cpoint.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::term::Term;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `is_alphanumeric`
[INFO] [stdout]  --> src/flat_narrow/parser/mod.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nom::character::{is_alphanumeric};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alpha1`
[INFO] [stdout]  --> src/flat_narrow/parser/mod.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use nom::character::complete::{alpha1, multispace0, satisfy};
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `alphanumeric0` and `alphanumeric1`
[INFO] [stdout]  --> src/flat_narrow/parser/mod.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nom::character::complete::{alphanumeric0, alphanumeric1, space0, space1};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `many_m_n`
[INFO] [stdout]  --> src/flat_narrow/parser/mod.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nom::multi::{many0, many1, many_m_n, separated_list0, separated_list1};
[INFO] [stdout]   |                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `separated_pair`
[INFO] [stdout]   --> src/flat_narrow/parser/mod.rs:10:50
[INFO] [stdout]    |
[INFO] [stdout] 10 | use nom::sequence::{tuple, preceded, terminated, separated_pair};
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]   --> src/flat_narrow/mod.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::fmt;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]   --> src/flat_narrow/mod.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::collections::BTreeSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json::ProgramItem`
[INFO] [stdout]   --> src/flat_narrow/mod.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use json::ProgramItem;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/flat_narrow/env.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbols`
[INFO] [stdout]    --> src/flat_narrow/term.rs:119:22
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn subst_symbols(symbols: &mut [Symbol], env: &Env) {
[INFO] [stdout]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbols`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/flat_narrow/term.rs:119:46
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn subst_symbols(symbols: &mut [Symbol], env: &Env) {
[INFO] [stdout]     |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/flat_narrow/term.rs:159:29
[INFO] [stdout]     |
[INFO] [stdout] 159 |                         let t =  sym1.symbols.iter().cloned();
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val2`
[INFO] [stdout]    --> src/flat_narrow/env.rs:146:39
[INFO] [stdout]     |
[INFO] [stdout] 146 |         w1.union_with(&mut w2, |val1, val2| val1);
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_val2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/flat_narrow/env.rs:149:36
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn insert_var_const(&mut self, var: String, cnst: String) {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cnst`
[INFO] [stdout]    --> src/flat_narrow/env.rs:149:49
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn insert_var_const(&mut self, var: String, cnst: String) {
[INFO] [stdout]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_cnst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/flat_narrow/cpoint.rs:240:20
[INFO] [stdout]     |
[INFO] [stdout] 240 |             .map( |mut cp: CPoint<'_>| cp.narrow())
[INFO] [stdout]     |                    ----^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eq`
[INFO] [stdout]    --> src/flat_narrow/parser/mod.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let eq = Term { symbols: vec![Symbol::Const(eq.into())] };
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_eq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Pos` is never used
[INFO] [stdout]   --> src/flat_narrow/mod.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | enum Pos {
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `index` and `alt_index` are never used
[INFO] [stdout]   --> src/flat_narrow/mod.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl Pos {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 78 |     fn index(&self) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn alt_index(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `subst_symbols` is never used
[INFO] [stdout]    --> src/flat_narrow/term.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl Term {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 118 |
[INFO] [stdout] 119 |     fn subst_symbols(symbols: &mut [Symbol], env: &Env) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Found` is never constructed
[INFO] [stdout]   --> src/flat_narrow/env.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Found(String);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Variable` is never used
[INFO] [stdout]    --> src/flat_narrow/env.rs:133:6
[INFO] [stdout]     |
[INFO] [stdout] 133 | type Variable = disjoint_sets::UnionFindNode<Option<String>>;
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sub` is never constructed
[INFO] [stdout]    --> src/flat_narrow/env.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | struct Sub {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert_var_var` and `insert_var_const` are never used
[INFO] [stdout]    --> src/flat_narrow/env.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl Sub {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] 139 |     fn insert_var_var(&mut self, v1: String, v2: String) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |     fn insert_var_const(&mut self, var: String, cnst: String) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FACTORIAL` is never used
[INFO] [stdout]    --> src/flat_narrow/cpoint.rs:272:7
[INFO] [stdout]     |
[INFO] [stdout] 272 | const FACTORIAL: &str = 
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_top` is never used
[INFO] [stdout]    --> src/flat_narrow/cpoint.rs:282:4
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn parse_top(rules: &str, goal_str: &str) -> (Vec<Clause>, Goal) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESERVED_ESC` is never used
[INFO] [stdout]   --> src/flat_narrow/parser/mod.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const RESERVED_ESC: [&str; 3] = ["\t", "\r", "\n"];
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pequation` is never used
[INFO] [stdout]    --> src/flat_narrow/parser/mod.rs:247:4
[INFO] [stdout]     |
[INFO] [stdout] 247 | fn pequation(input: &str) -> IResult<&str, [Term;3]>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pquery` is never used
[INFO] [stdout]    --> src/flat_narrow/parser/mod.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn pquery(input: &str) -> IResult<&str, Term> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pprogram` is never used
[INFO] [stdout]    --> src/flat_narrow/parser/mod.rs:282:4
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn pprogram(input: &str) -> IResult<&str, Vec<[Term;3]>> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pcond_program` is never used
[INFO] [stdout]    --> src/flat_narrow/parser/mod.rs:295:8
[INFO] [stdout]     |
[INFO] [stdout] 295 | pub fn pcond_program(input: &str) -> IResult<&str, Vec<Clause>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `QUOTED_CHAR_NO_ESCAPE` should have a snake case name
[INFO] [stdout]   --> src/flat_narrow/parser/mod.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn QUOTED_CHAR_NO_ESCAPE() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `quoted_char_no_escape`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TRUE` should have a snake case name
[INFO] [stdout]    --> src/flat_narrow/parser/mod.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let TRUE = Term::from(Symbol::Const("true".into()));
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let r#true = Term::from(Symbol::Const("true".into()));
[INFO] [stdout]     |             ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TRUE` should have a snake case name
[INFO] [stdout]    --> src/flat_narrow/parser/mod.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let TRUE = Term::from(Symbol::Const("true".into()));
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: rename the identifier or convert it to a snake case raw identifier
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let r#true = Term::from(Symbol::Const("true".into()));
[INFO] [stdout]     |             ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 41 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a682f917720b678313ee49ec424e9f4975f88d090cd7a2d2114a5e752d5ff064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a682f917720b678313ee49ec424e9f4975f88d090cd7a2d2114a5e752d5ff064", kill_on_drop: false }`
[INFO] [stdout] a682f917720b678313ee49ec424e9f4975f88d090cd7a2d2114a5e752d5ff064