[INFO] cloning repository https://github.com/jeffomatic/scheme-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffomatic/scheme-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffomatic%2Fscheme-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffomatic%2Fscheme-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19a21b3a09104783d92b2b35d5a41c514bd64158
[INFO] checking jeffomatic/scheme-rs against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffomatic%2Fscheme-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffomatic/scheme-rs on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeffomatic/scheme-rs
[INFO] finished tweaking git repo https://github.com/jeffomatic/scheme-rs
[INFO] tweaked toml for git repo https://github.com/jeffomatic/scheme-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jeffomatic/scheme-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82f2a105ab82d869a39e2dd9d11723928d4a6a34684fbd7ea2256646b90372cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "82f2a105ab82d869a39e2dd9d11723928d4a6a34684fbd7ea2256646b90372cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f2a105ab82d869a39e2dd9d11723928d4a6a34684fbd7ea2256646b90372cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f2a105ab82d869a39e2dd9d11723928d4a6a34684fbd7ea2256646b90372cb", kill_on_drop: false }`
[INFO] [stdout] 82f2a105ab82d869a39e2dd9d11723928d4a6a34684fbd7ea2256646b90372cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fc7990b3c4b94b4491ac38f58ce5a05d520b37eefdf622da9efbbb0d8bb6a2b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2fc7990b3c4b94b4491ac38f58ce5a05d520b37eefdf622da9efbbb0d8bb6a2b", kill_on_drop: false }`
[INFO] [stderr]     Checking scheme-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/eval.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::lex::scan`
[INFO] [stdout]  --> src/eval.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::lex::scan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse`
[INFO] [stdout]   --> src/eval.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use super::parse::{parse, BinaryOperator, Expr, ExprPtr, ProcDef, UnaryOperator};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scan`
[INFO] [stdout]  --> src/parse/sexpr.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lex::{scan, SrcPos, SrcSpan, Token, TokenType};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Env`, `Value`
[INFO] [stdout]  --> src/stdlib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::eval::{eval_sequence, Env, EnvPtr, Value};
[INFO] [stdout]   |                                  ^^^          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UndefinedSymbol`
[INFO] [stdout]   --> src/eval.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     UndefinedSymbol(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidApplication`
[INFO] [stdout]   --> src/eval.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     InvalidApplication, // TODO: add src position
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidType`
[INFO] [stdout]   --> src/eval.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     InvalidType,        // TODO: add src position
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Void`
[INFO] [stdout]   --> src/eval.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Void, // the value of define expressions
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> src/eval.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/eval.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/eval.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Number(f64),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/eval.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Closure`
[INFO] [stdout]   --> src/eval.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     Closure {
[INFO] [stdout] 37 | |         formals: Vec<String>,
[INFO] [stdout] 38 | |         varparam: Option<String>,
[INFO] [stdout] 39 | |         seq: Vec<ExprPtr>,
[INFO] [stdout] 40 | |         env: EnvPtr,
[INFO] [stdout] 41 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pair`
[INFO] [stdout]   --> src/eval.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Pair(ValuePtr, ValuePtr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_ptr`
[INFO] [stdout]   --> src/eval.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn into_ptr(self) -> ValuePtr {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_bool`
[INFO] [stdout]   --> src/eval.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn as_bool(&self) -> Option<bool> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_list`
[INFO] [stdout]   --> src/eval.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn make_list(vals: &[ValuePtr]) -> Value {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `symbols`
[INFO] [stdout]    --> src/eval.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     symbols: HashMap<String, ValuePtr>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/eval.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     parent: Option<EnvPtr>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_ptr`
[INFO] [stdout]    --> src/eval.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn into_ptr(self) -> EnvPtr {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extend`
[INFO] [stdout]    --> src/eval.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn extend(parent: EnvPtr) -> Env {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `root`
[INFO] [stdout]    --> src/eval.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn root() -> Env {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bind`
[INFO] [stdout]    --> src/eval.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn bind(&mut self, symbol: &str, val: ValuePtr) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup`
[INFO] [stdout]    --> src/eval.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn lookup(&self, symbol: &str) -> Option<ValuePtr> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval`
[INFO] [stdout]    --> src/eval.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn eval(expr: ExprPtr, env: EnvPtr) -> Result<ValuePtr, Error> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_sequence`
[INFO] [stdout]    --> src/eval.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn eval_sequence(exprs: &[ExprPtr], env: EnvPtr) -> Result<ValuePtr, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_reference`
[INFO] [stdout]    --> src/eval.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn eval_reference(symbol: &str, env: EnvPtr) -> Result<ValuePtr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_define`
[INFO] [stdout]    --> src/eval.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn eval_define(symbol: &str, expr: ExprPtr, env: EnvPtr) -> Result<ValuePtr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_define_proc`
[INFO] [stdout]    --> src/eval.rs:194:4
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn eval_define_proc(symbol: &str, procdef: &ProcDef, env: EnvPtr) -> Result<ValuePtr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_if`
[INFO] [stdout]    --> src/eval.rs:206:4
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn eval_if(
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_and`
[INFO] [stdout]    --> src/eval.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn eval_and(seq: &[ExprPtr], env: EnvPtr) -> Result<ValuePtr, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_or`
[INFO] [stdout]    --> src/eval.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn eval_or(seq: &[ExprPtr], env: EnvPtr) -> Result<ValuePtr, Error> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_lambda`
[INFO] [stdout]    --> src/eval.rs:254:4
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn eval_lambda(procdef: &ProcDef, env: EnvPtr) -> ValuePtr {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_let`
[INFO] [stdout]    --> src/eval.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn eval_let(
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_unary_operation`
[INFO] [stdout]    --> src/eval.rs:277:4
[INFO] [stdout]     |
[INFO] [stdout] 277 | fn eval_unary_operation(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_binary_operation`
[INFO] [stdout]    --> src/eval.rs:321:4
[INFO] [stdout]     |
[INFO] [stdout] 321 | fn eval_binary_operation(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_application`
[INFO] [stdout]    --> src/eval.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn eval_application(func: ExprPtr, args: &[ExprPtr], env: EnvPtr) -> Result<ValuePtr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnterminatedString`
[INFO] [stdout]  --> src/lex.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UnterminatedString(SrcPos),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnexpectedNewline`
[INFO] [stdout]  --> src/lex.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     UnexpectedNewline(SrcPos),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidCharForNumber`
[INFO] [stdout]   --> src/lex.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     InvalidCharForNumber(SrcPos, char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `next_col`
[INFO] [stdout]   --> src/lex.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn next_col(p: SrcPos) -> SrcPos {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `next_row`
[INFO] [stdout]   --> src/lex.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn next_row(p: SrcPos) -> SrcPos {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Stream`
[INFO] [stdout]   --> src/lex.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Stream<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lex.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn new(s: &str) -> Stream {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/lex.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn peek(&mut self, offset: usize) -> Option<(char, SrcPos)> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `advance`
[INFO] [stdout]   --> src/lex.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn advance(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take`
[INFO] [stdout]   --> src/lex.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn take(&mut self) -> (char, SrcPos) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_end`
[INFO] [stdout]   --> src/lex.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn is_end(&mut self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OpenBrace`
[INFO] [stdout]   --> src/lex.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     OpenBrace,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CloseBrace`
[INFO] [stdout]   --> src/lex.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     CloseBrace,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/lex.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/lex.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/lex.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comment`
[INFO] [stdout]    --> src/lex.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn comment(stream: &mut Stream) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `open_brace`
[INFO] [stdout]    --> src/lex.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn open_brace(stream: &mut Stream) -> Token {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `close_brace`
[INFO] [stdout]    --> src/lex.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn close_brace(stream: &mut Stream) -> Token {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `identifier`
[INFO] [stdout]    --> src/lex.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn identifier(stream: &mut Stream) -> Token {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string`
[INFO] [stdout]    --> src/lex.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn string(stream: &mut Stream) -> Result<Token, Error> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number`
[INFO] [stdout]    --> src/lex.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn number(stream: &mut Stream) -> Result<Token, Error> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scan`
[INFO] [stdout]    --> src/lex.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn scan(src: &str) -> Result<Vec<Token>, Error> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_end_of_nonstring_literal`
[INFO] [stdout]    --> src/lex.rs:262:4
[INFO] [stdout]     |
[INFO] [stdout] 262 | fn is_end_of_nonstring_literal(stream: &mut Stream) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnterminatedCompoundSexpr`
[INFO] [stdout]  --> src/parse/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     UnterminatedCompoundSexpr(SrcSpan),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnmatchedCloseBrace`
[INFO] [stdout]  --> src/parse/error.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UnmatchedCloseBrace(SrcSpan),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExpectedIdentifier`
[INFO] [stdout]  --> src/parse/error.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ExpectedIdentifier(SrcSpan),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidAtomToken`
[INFO] [stdout]   --> src/parse/error.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     InvalidAtomToken(Token),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidFuncAtomToken`
[INFO] [stdout]   --> src/parse/error.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     InvalidFuncAtomToken(Token),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidUnaryOperation`
[INFO] [stdout]   --> src/parse/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     InvalidUnaryOperation(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidBinaryOperation`
[INFO] [stdout]   --> src/parse/error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     InvalidBinaryOperation(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidDefine`
[INFO] [stdout]   --> src/parse/error.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     InvalidDefine(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidIf`
[INFO] [stdout]   --> src/parse/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     InvalidIf(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidLambda`
[INFO] [stdout]   --> src/parse/error.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     InvalidLambda(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidLet`
[INFO] [stdout]   --> src/parse/error.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     InvalidLet(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MultiplePeriodsInSignature`
[INFO] [stdout]   --> src/parse/error.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     MultiplePeriodsInSignature(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidVarParam`
[INFO] [stdout]   --> src/parse/error.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     InvalidVarParam(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Car`
[INFO] [stdout]  --> src/parse/expr.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Car,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cdr`
[INFO] [stdout]   --> src/parse/expr.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Cdr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IsNull`
[INFO] [stdout]   --> src/parse/expr.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     IsNull,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IsBoolean`
[INFO] [stdout]   --> src/parse/expr.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     IsBoolean,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IsString`
[INFO] [stdout]   --> src/parse/expr.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IsString,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IsNumber`
[INFO] [stdout]   --> src/parse/expr.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     IsNumber,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IsClosure`
[INFO] [stdout]   --> src/parse/expr.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     IsClosure,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IsPair`
[INFO] [stdout]   --> src/parse/expr.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     IsPair,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/parse/expr.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from(s: &str) -> Option<Self> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/parse/expr.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/parse/expr.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mul`
[INFO] [stdout]   --> src/parse/expr.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Mul,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> src/parse/expr.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eq`
[INFO] [stdout]   --> src/parse/expr.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Eq,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Gt`
[INFO] [stdout]   --> src/parse/expr.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Gt,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]   --> src/parse/expr.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Cons,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/parse/expr.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn from(s: &str) -> Option<Self> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> src/parse/expr.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | /     Null {
[INFO] [stdout] 72 | |         span: SrcSpan,
[INFO] [stdout] 73 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]   --> src/parse/expr.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     Boolean {
[INFO] [stdout] 75 | |         underlying: bool,
[INFO] [stdout] 76 | |         span: SrcSpan,
[INFO] [stdout] 77 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/parse/expr.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     String {
[INFO] [stdout] 79 | |         underlying: String,
[INFO] [stdout] 80 | |         span: SrcSpan,
[INFO] [stdout] 81 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]   --> src/parse/expr.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | /     Number {
[INFO] [stdout] 83 | |         underlying: f64,
[INFO] [stdout] 84 | |         span: SrcSpan,
[INFO] [stdout] 85 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Reference`
[INFO] [stdout]   --> src/parse/expr.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | /     Reference {
[INFO] [stdout] 87 | |         literal: String,
[INFO] [stdout] 88 | |         span: SrcSpan,
[INFO] [stdout] 89 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Define`
[INFO] [stdout]   --> src/parse/expr.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     Define {
[INFO] [stdout] 91 | |         symbol: String,
[INFO] [stdout] 92 | |         expr: ExprPtr,
[INFO] [stdout] 93 | |         span: SrcSpan,
[INFO] [stdout] 94 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DefineProc`
[INFO] [stdout]   --> src/parse/expr.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | /     DefineProc {
[INFO] [stdout] 96 | |         symbol: String,
[INFO] [stdout] 97 | |         procdef: ProcDef,
[INFO] [stdout] 98 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]    --> src/parse/expr.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout] 99  | /     If {
[INFO] [stdout] 100 | |         condition: ExprPtr,
[INFO] [stdout] 101 | |         on_true: ExprPtr,
[INFO] [stdout] 102 | |         on_false: ExprPtr,
[INFO] [stdout] 103 | |         span: SrcSpan,
[INFO] [stdout] 104 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `And`
[INFO] [stdout]    --> src/parse/expr.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | /     And {
[INFO] [stdout] 106 | |         seq: Vec<ExprPtr>,
[INFO] [stdout] 107 | |         span: SrcSpan,
[INFO] [stdout] 108 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]    --> src/parse/expr.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     Or {
[INFO] [stdout] 110 | |         seq: Vec<ExprPtr>,
[INFO] [stdout] 111 | |         span: SrcSpan,
[INFO] [stdout] 112 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lambda`
[INFO] [stdout]    --> src/parse/expr.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     Lambda(ProcDef),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Let`
[INFO] [stdout]    --> src/parse/expr.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | /     Let {
[INFO] [stdout] 115 | |         definitions: Vec<(String, ExprPtr)>,
[INFO] [stdout] 116 | |         seq: Vec<ExprPtr>,
[INFO] [stdout] 117 | |         span: SrcSpan,
[INFO] [stdout] 118 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnaryOperation`
[INFO] [stdout]    --> src/parse/expr.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | /     UnaryOperation {
[INFO] [stdout] 120 | |         op: UnaryOperator,
[INFO] [stdout] 121 | |         operand: ExprPtr,
[INFO] [stdout] 122 | |         span: SrcSpan,
[INFO] [stdout] 123 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BinaryOperation`
[INFO] [stdout]    --> src/parse/expr.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 | /     BinaryOperation {
[INFO] [stdout] 125 | |         op: BinaryOperator,
[INFO] [stdout] 126 | |         a: ExprPtr,
[INFO] [stdout] 127 | |         b: ExprPtr,
[INFO] [stdout] 128 | |         span: SrcSpan,
[INFO] [stdout] 129 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Application`
[INFO] [stdout]    --> src/parse/expr.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | /     Application {
[INFO] [stdout] 131 | |         func: ExprPtr,
[INFO] [stdout] 132 | |         args: Vec<ExprPtr>,
[INFO] [stdout] 133 | |         span: SrcSpan,
[INFO] [stdout] 134 | |     },
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_ptr`
[INFO] [stdout]    --> src/parse/expr.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn into_ptr(self) -> ExprPtr {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_sexpr`
[INFO] [stdout]    --> src/parse/expr.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn parse_sexpr(sexpr: &Sexpr) -> Result<Expr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_sexpr_seq`
[INFO] [stdout]    --> src/parse/expr.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub fn parse_sexpr_seq(sexpr_seq: &[Sexpr]) -> Result<Vec<ExprPtr>, Error> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_atom`
[INFO] [stdout]    --> src/parse/expr.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn parse_atom(tok: &Token) -> Result<Expr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_compound`
[INFO] [stdout]    --> src/parse/expr.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn parse_compound(children: &[Sexpr], span: SrcSpan) -> Result<Expr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_unary_operation`
[INFO] [stdout]    --> src/parse/expr.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn parse_unary_operation(op: UnaryOperator, args: &[Sexpr], span: SrcSpan) -> Result<Expr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_binary_operation`
[INFO] [stdout]    --> src/parse/expr.rs:242:4
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn parse_binary_operation(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_identifier`
[INFO] [stdout]    --> src/parse/expr.rs:259:4
[INFO] [stdout]     |
[INFO] [stdout] 259 | fn parse_identifier(sexpr: &Sexpr) -> Result<String, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_proc_signature`
[INFO] [stdout]    --> src/parse/expr.rs:269:4
[INFO] [stdout]     |
[INFO] [stdout] 269 | fn parse_proc_signature(sexprs: &[Sexpr]) -> Result<(Vec<String>, Option<String>), Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_define`
[INFO] [stdout]    --> src/parse/expr.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn parse_define(args: &[Sexpr], span: SrcSpan) -> Result<Expr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_if`
[INFO] [stdout]    --> src/parse/expr.rs:332:4
[INFO] [stdout]     |
[INFO] [stdout] 332 | fn parse_if(args: &[Sexpr], span: SrcSpan) -> Result<Expr, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_and`
[INFO] [stdout]    --> src/parse/expr.rs:345:4
[INFO] [stdout]     |
[INFO] [stdout] 345 | fn parse_and(args: &[Sexpr], span: SrcSpan) -> Result<Expr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_or`
[INFO] [stdout]    --> src/parse/expr.rs:352:4
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn parse_or(args: &[Sexpr], span: SrcSpan) -> Result<Expr, Error> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_lambda`
[INFO] [stdout]    --> src/parse/expr.rs:359:4
[INFO] [stdout]     |
[INFO] [stdout] 359 | fn parse_lambda(args: &[Sexpr], span: SrcSpan) -> Result<Expr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_let`
[INFO] [stdout]    --> src/parse/expr.rs:373:4
[INFO] [stdout]     |
[INFO] [stdout] 373 | fn parse_let(args: &[Sexpr], span: SrcSpan) -> Result<Expr, Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]  --> src/parse/sexpr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Atom(Token),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Compound`
[INFO] [stdout]  --> src/parse/sexpr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Compound(Vec<Sexpr>, SrcSpan),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `span`
[INFO] [stdout]   --> src/parse/sexpr.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn span(&self) -> SrcSpan {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_tokens`
[INFO] [stdout]   --> src/parse/sexpr.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn parse_tokens(toks: &[Token]) -> Result<Vec<Sexpr>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `consume_compound_sexpr`
[INFO] [stdout]   --> src/parse/sexpr.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn consume_compound_sexpr(toks: &mut dyn Iterator<Item = &Token>, start: SrcPos) -> Option<Sexpr> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/parse/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn parse(toks: &[Token]) -> Result<Vec<ExprPtr>, Error> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `define`
[INFO] [stdout]  --> src/stdlib.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn define(env: EnvPtr) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 129 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "2fc7990b3c4b94b4491ac38f58ce5a05d520b37eefdf622da9efbbb0d8bb6a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc7990b3c4b94b4491ac38f58ce5a05d520b37eefdf622da9efbbb0d8bb6a2b", kill_on_drop: false }`
[INFO] [stdout] 2fc7990b3c4b94b4491ac38f58ce5a05d520b37eefdf622da9efbbb0d8bb6a2b