[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] building jeffomatic/scheme-rs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffomatic%2Fscheme-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeffomatic/scheme-rs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-0-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f818839f95c79819c0a328392a2c2c1a7fb4a3935f60b8eca25f28c795e764f
[INFO] running `Command { std: "docker" "start" "-a" "0f818839f95c79819c0a328392a2c2c1a7fb4a3935f60b8eca25f28c795e764f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f818839f95c79819c0a328392a2c2c1a7fb4a3935f60b8eca25f28c795e764f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f818839f95c79819c0a328392a2c2c1a7fb4a3935f60b8eca25f28c795e764f", kill_on_drop: false }`
[INFO] [stdout] 0f818839f95c79819c0a328392a2c2c1a7fb4a3935f60b8eca25f28c795e764f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 834e733afa56a2dd095528f8364c4971fdd70c5f7006afe2c69476c13e3c461d
[INFO] running `Command { std: "docker" "start" "-a" "834e733afa56a2dd095528f8364c4971fdd70c5f7006afe2c69476c13e3c461d", 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)]` 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: variants `UndefinedSymbol`, `InvalidApplication`, and `InvalidType` are never constructed
[INFO] [stdout]   --> src/eval.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 14 |     UndefinedSymbol(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     InvalidApplication, // TODO: add src position
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     InvalidType,        // TODO: add src position
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/eval.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Value {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 31 |     Void, // the value of define expressions
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     Boolean(bool),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 34 |     Number(f64),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 35 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 36 |     Closure {
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     Pair(ValuePtr, ValuePtr),
[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: fields `symbols` and `parent` are never read
[INFO] [stdout]    --> src/eval.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub struct Env {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 104 |     symbols: HashMap<String, ValuePtr>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 105 |     parent: Option<EnvPtr>,
[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: 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: variants `UnterminatedString`, `UnexpectedNewline`, and `InvalidCharForNumber` are never constructed
[INFO] [stdout]   --> src/lex.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 8  |     UnterminatedString(SrcPos),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     UnexpectedNewline(SrcPos),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     InvalidCharForNumber(SrcPos, char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: variants `OpenBrace`, `CloseBrace`, `Identifier`, `String`, and `Number` are never constructed
[INFO] [stdout]   --> src/lex.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 91 |     OpenBrace,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 92 |     CloseBrace,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 93 |     Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 94 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 95 |     Number,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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: multiple variants are never constructed
[INFO] [stdout]   --> src/parse/error.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 7  |     UnterminatedCompoundSexpr(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8  |     UnmatchedCloseBrace(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     ExpectedIdentifier(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     InvalidAtomToken(Token),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     InvalidFuncAtomToken(Token),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     InvalidUnaryOperation(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     InvalidBinaryOperation(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     InvalidDefine(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 15 |     InvalidIf(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     InvalidLambda(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 17 |     InvalidLet(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 18 |     MultiplePeriodsInSignature(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     InvalidVarParam(SrcSpan),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/parse/expr.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub enum UnaryOperator {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] 9  |     Car,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     Cdr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     IsNull,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     IsBoolean,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     IsString,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     IsNumber,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     IsClosure,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 16 |     IsPair,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnaryOperator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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: multiple variants are never constructed
[INFO] [stdout]   --> src/parse/expr.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum BinaryOperator {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] 37 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 38 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 39 |     Mul,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 40 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 41 |     Eq,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 42 |     Gt,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 43 |     Cons,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryOperator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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: multiple variants are never constructed
[INFO] [stdout]    --> src/parse/expr.rs:71:5
[INFO] [stdout]     |
[INFO] [stdout] 70  | pub enum Expr {
[INFO] [stdout]     |          ---- variants in this enum
[INFO] [stdout] 71  |     Null {
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74  |     Boolean {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78  |     String {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82  |     Number {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86  |     Reference {
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |     Define {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     DefineProc {
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     If {
[INFO] [stdout]     |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     And {
[INFO] [stdout]     |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     Or {
[INFO] [stdout]     |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     Lambda(ProcDef),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 114 |     Let {
[INFO] [stdout]     |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     UnaryOperation {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     BinaryOperation {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     Application {
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `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: 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: variants `Atom` and `Compound` are never constructed
[INFO] [stdout]  --> src/parse/sexpr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Sexpr {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 6 |     Atom(Token),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     Compound(Vec<Sexpr>, SrcSpan),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sexpr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "834e733afa56a2dd095528f8364c4971fdd70c5f7006afe2c69476c13e3c461d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834e733afa56a2dd095528f8364c4971fdd70c5f7006afe2c69476c13e3c461d", kill_on_drop: false }`
[INFO] [stdout] 834e733afa56a2dd095528f8364c4971fdd70c5f7006afe2c69476c13e3c461d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12055bc767626c5da4768c77f43ddf7fffa5cc0c1326b55f9b50b36e83191896
[INFO] running `Command { std: "docker" "start" "-a" "12055bc767626c5da4768c77f43ddf7fffa5cc0c1326b55f9b50b36e83191896", kill_on_drop: false }`
[INFO] [stderr]    Compiling scheme-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "12055bc767626c5da4768c77f43ddf7fffa5cc0c1326b55f9b50b36e83191896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12055bc767626c5da4768c77f43ddf7fffa5cc0c1326b55f9b50b36e83191896", kill_on_drop: false }`
[INFO] [stdout] 12055bc767626c5da4768c77f43ddf7fffa5cc0c1326b55f9b50b36e83191896