[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] testing jeffomatic/scheme-rs against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffomatic%2Fscheme-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeffomatic/scheme-rs on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jeffomatic/scheme-rs 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62ae7d32056c9a96e0fd89735dbe05827a576d00dfc72209723bea0e868f096f
[INFO] running `Command { std: "docker" "start" "-a" "62ae7d32056c9a96e0fd89735dbe05827a576d00dfc72209723bea0e868f096f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62ae7d32056c9a96e0fd89735dbe05827a576d00dfc72209723bea0e868f096f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ae7d32056c9a96e0fd89735dbe05827a576d00dfc72209723bea0e868f096f", kill_on_drop: false }`
[INFO] [stdout] 62ae7d32056c9a96e0fd89735dbe05827a576d00dfc72209723bea0e868f096f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de4d24ec2d3645e1815a9529eac13308e827da9e75a35bd38dc550508b5b446
[INFO] running `Command { std: "docker" "start" "-a" "0de4d24ec2d3645e1815a9529eac13308e827da9e75a35bd38dc550508b5b446", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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` and `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: enum `Error` is never used
[INFO] [stdout]   --> src/eval.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum Error {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]   --> src/eval.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Value {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `into_ptr`, `as_bool`, and `make_list` are never used
[INFO] [stdout]   --> src/eval.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Value {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 46 |     pub fn into_ptr(self) -> ValuePtr {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn as_bool(&self) -> Option<bool> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn make_list(vals: &[ValuePtr]) -> Value {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ValuePtr` is never used
[INFO] [stdout]    --> src/eval.rs:101:6
[INFO] [stdout]     |
[INFO] [stdout] 101 | type ValuePtr = Rc<RefCell<Value>>;
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]    --> src/eval.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub struct Env {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `into_ptr`, `extend`, `root`, `bind`, and `lookup` are never used
[INFO] [stdout]    --> src/eval.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | impl Env {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout] 109 |     pub fn into_ptr(self) -> EnvPtr {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn extend(parent: EnvPtr) -> Env {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn root() -> Env {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn bind(&mut self, symbol: &str, val: ValuePtr) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn lookup(&self, symbol: &str) -> Option<ValuePtr> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `EnvPtr` is never used
[INFO] [stdout]    --> src/eval.rs:142:10
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub type EnvPtr = Rc<RefCell<Env>>;
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval` is never used
[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 `eval_sequence` is never used
[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 `eval_reference` is never used
[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 `eval_define` is never used
[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 `eval_define_proc` is never used
[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 `eval_if` is never used
[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 `eval_and` is never used
[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 `eval_or` is never used
[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 `eval_lambda` is never used
[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 `eval_let` is never used
[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 `eval_unary_operation` is never used
[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 `eval_binary_operation` is never used
[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 `eval_application` is never used
[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: enum `Error` is never used
[INFO] [stdout]  --> src/lex.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Error {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SrcPos` is never used
[INFO] [stdout]   --> src/lex.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type SrcPos = (usize, usize);
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SrcSpan` is never used
[INFO] [stdout]   --> src/lex.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub type SrcSpan = (SrcPos, SrcPos);
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_col` is never used
[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 `next_row` is never used
[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 `Stream` is never constructed
[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 items `new`, `peek`, `advance`, `take`, and `is_end` are never used
[INFO] [stdout]   --> src/lex.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Stream<'_> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 45 |     fn new(s: &str) -> Stream {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn peek(&mut self, offset: usize) -> Option<(char, SrcPos)> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn advance(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn take(&mut self) -> (char, SrcPos) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn is_end(&mut self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenType` is never used
[INFO] [stdout]   --> src/lex.rs:90:10
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub enum TokenType {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/lex.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct Token {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comment` is never used
[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 `open_brace` is never used
[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 `close_brace` is never used
[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 `identifier` is never used
[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 `string` is never used
[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 `number` is never used
[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 `scan` is never used
[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_end_of_nonstring_literal` is never used
[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: function `parse` is never used
[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: enum `Error` is never used
[INFO] [stdout]  --> src/parse/error.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Error {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOperator` is never used
[INFO] [stdout]  --> src/parse/expr.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum UnaryOperator {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/parse/expr.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl UnaryOperator {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 20 |     fn from(s: &str) -> Option<Self> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOperator` is never used
[INFO] [stdout]   --> src/parse/expr.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum BinaryOperator {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/parse/expr.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl BinaryOperator {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 47 |     fn from(s: &str) -> Option<Self> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProcDef` is never constructed
[INFO] [stdout]   --> src/parse/expr.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct ProcDef {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]   --> src/parse/expr.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub enum Expr {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_ptr` is never used
[INFO] [stdout]    --> src/parse/expr.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl Expr {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 138 |     fn into_ptr(self) -> ExprPtr {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ExprPtr` is never used
[INFO] [stdout]    --> src/parse/expr.rs:143:10
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub type ExprPtr = Rc<RefCell<Expr>>;
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_sexpr` is never used
[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 `parse_sexpr_seq` is never used
[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 `parse_atom` is never used
[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 `parse_compound` is never used
[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 `parse_unary_operation` is never used
[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 `parse_binary_operation` is never used
[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 `parse_identifier` is never used
[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 `parse_proc_signature` is never used
[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 `parse_define` is never used
[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 `parse_if` is never used
[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 `parse_and` is never used
[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 `parse_or` is never used
[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 `parse_lambda` is never used
[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 `parse_let` is never used
[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: enum `Sexpr` is never used
[INFO] [stdout]  --> src/parse/sexpr.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Sexpr {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `span` is never used
[INFO] [stdout]   --> src/parse/sexpr.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Sexpr {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 11 |     pub fn span(&self) -> SrcSpan {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_tokens` is never used
[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 `consume_compound_sexpr` is never used
[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 `define` is never used
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lex.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn new(s: &str) -> Stream {
[INFO] [stdout]    |               ^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn new(s: &str) -> Stream<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "0de4d24ec2d3645e1815a9529eac13308e827da9e75a35bd38dc550508b5b446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de4d24ec2d3645e1815a9529eac13308e827da9e75a35bd38dc550508b5b446", kill_on_drop: false }`
[INFO] [stdout] 0de4d24ec2d3645e1815a9529eac13308e827da9e75a35bd38dc550508b5b446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f88b6ebfcc3daeeff515b0dca2cde9819805fab26c62dcc18aad590dff175c5b
[INFO] running `Command { std: "docker" "start" "-a" "f88b6ebfcc3daeeff515b0dca2cde9819805fab26c62dcc18aad590dff175c5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling scheme-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lex.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn new(s: &str) -> Stream {
[INFO] [stdout]    |               ^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn new(s: &str) -> Stream<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "f88b6ebfcc3daeeff515b0dca2cde9819805fab26c62dcc18aad590dff175c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88b6ebfcc3daeeff515b0dca2cde9819805fab26c62dcc18aad590dff175c5b", kill_on_drop: false }`
[INFO] [stdout] f88b6ebfcc3daeeff515b0dca2cde9819805fab26c62dcc18aad590dff175c5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18f80fd0099761f9895e7a118ef185c68eec8e0874bf3da0725ab6bf6f1ac385
[INFO] running `Command { std: "docker" "start" "-a" "18f80fd0099761f9895e7a118ef185c68eec8e0874bf3da0725ab6bf6f1ac385", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/lex.rs:45:15
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn new(s: &str) -> Stream {
[INFO] [stderr]    |               ^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |               |
[INFO] [stderr]    |               the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn new(s: &str) -> Stream<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `scheme-rs` (bin "scheme-rs" test) generated 1 warning (run `cargo fix --bin "scheme-rs" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/scheme_rs-4c21ba5703dd0afe)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test parse::sexpr::test_parse_tokens ... ok
[INFO] [stdout] test lex::scan_test ... ok
[INFO] [stdout] test stdlib::test ... ok
[INFO] [stdout] test eval::test_eval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18f80fd0099761f9895e7a118ef185c68eec8e0874bf3da0725ab6bf6f1ac385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f80fd0099761f9895e7a118ef185c68eec8e0874bf3da0725ab6bf6f1ac385", kill_on_drop: false }`
[INFO] [stdout] 18f80fd0099761f9895e7a118ef185c68eec8e0874bf3da0725ab6bf6f1ac385
