[INFO] cloning repository https://github.com/DomParfitt/rlisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DomParfitt/rlisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomParfitt%2Frlisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomParfitt%2Frlisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3154b36b4a6fcda8808193e932cde4a69b3cb0e9
[INFO] testing DomParfitt/rlisp against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomParfitt%2Frlisp" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DomParfitt/rlisp on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DomParfitt/rlisp
[INFO] finished tweaking git repo https://github.com/DomParfitt/rlisp
[INFO] tweaked toml for git repo https://github.com/DomParfitt/rlisp written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/DomParfitt/rlisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9215c8844efd85c7a3f551500ac4cc7d425e3abe9f671a06a8a6ed2ba0b6fbff
[INFO] running `Command { std: "docker" "start" "-a" "9215c8844efd85c7a3f551500ac4cc7d425e3abe9f671a06a8a6ed2ba0b6fbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9215c8844efd85c7a3f551500ac4cc7d425e3abe9f671a06a8a6ed2ba0b6fbff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9215c8844efd85c7a3f551500ac4cc7d425e3abe9f671a06a8a6ed2ba0b6fbff", kill_on_drop: false }`
[INFO] [stdout] 9215c8844efd85c7a3f551500ac4cc7d425e3abe9f671a06a8a6ed2ba0b6fbff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0102b77e5aba43b84b81159355206e8e051da1fdd2324528d97a83affe8908ba
[INFO] running `Command { std: "docker" "start" "-a" "0102b77e5aba43b84b81159355206e8e051da1fdd2324528d97a83affe8908ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/parser/error.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::lexer::{Token, TokenKind};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::evaluator::types::Type`
[INFO] [stdout]  --> src/repl/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::evaluator::types::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/parser/mod.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Err(err) => return expr,
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/evaluator/types.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/evaluator/types.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]   --> src/evaluator/types.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FnDef`
[INFO] [stdout]  --> src/parser/grammar.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     FnDef(Box<Expr>, Box<Expr>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Base`
[INFO] [stdout]   --> src/parser/grammar.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Base(Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `def_fn`
[INFO] [stdout]    --> src/parser/mod.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn def_fn(&mut self) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/evaluator/scope.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(parent: RefCell<Scope>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> src/evaluator/types.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Str(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/evaluator/types.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Int(isize),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/evaluator/types.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "0102b77e5aba43b84b81159355206e8e051da1fdd2324528d97a83affe8908ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0102b77e5aba43b84b81159355206e8e051da1fdd2324528d97a83affe8908ba", kill_on_drop: false }`
[INFO] [stdout] 0102b77e5aba43b84b81159355206e8e051da1fdd2324528d97a83affe8908ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92b999ee572fc1c8dea15531684bea643347efd75f692818c5447159e5df456c
[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" "92b999ee572fc1c8dea15531684bea643347efd75f692818c5447159e5df456c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/parser/error.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::lexer::{Token, TokenKind};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::evaluator::types::Type`
[INFO] [stdout]  --> src/repl/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::evaluator::types::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/parser/mod.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 Err(err) => return expr,
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/evaluator/types.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]   --> src/evaluator/types.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]   --> src/evaluator/types.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stdout]    |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FnDef`
[INFO] [stdout]  --> src/parser/grammar.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     FnDef(Box<Expr>, Box<Expr>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Base`
[INFO] [stdout]   --> src/parser/grammar.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Base(Box<Expr>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `def_fn`
[INFO] [stdout]    --> src/parser/mod.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn def_fn(&mut self) -> ParseResult {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/evaluator/scope.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(parent: RefCell<Scope>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]   --> src/evaluator/types.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Str(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/evaluator/types.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Int(isize),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/evaluator/types.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "92b999ee572fc1c8dea15531684bea643347efd75f692818c5447159e5df456c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b999ee572fc1c8dea15531684bea643347efd75f692818c5447159e5df456c", kill_on_drop: false }`
[INFO] [stdout] 92b999ee572fc1c8dea15531684bea643347efd75f692818c5447159e5df456c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1474194c2925f63559fa49d606684c9e2bfc2a99a7521817e47ee27e3be8c6a5
[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" "1474194c2925f63559fa49d606684c9e2bfc2a99a7521817e47ee27e3be8c6a5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/parser/error.rs:4:20
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 4 | use crate::lexer::{Token, TokenKind};
[INFO] [stdout] 
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::evaluator::types::Type`
[INFO] [stderr]  --> src/repl/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::evaluator::types::Type;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/parser/mod.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 Err(err) => return expr,
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/evaluator/types.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stderr]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]   --> src/evaluator/types.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stderr]    |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scope`
[INFO] [stderr]   --> src/evaluator/types.rs:32:42
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Type::Fn(ref args, ref body, ref scope) => write!(f, "")
[INFO] [stderr]    |                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FnDef`
[INFO] [stderr]  --> src/parser/grammar.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     FnDef(Box<Expr>, Box<Expr>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Base`
[INFO] [stderr]   --> src/parser/grammar.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Base(Box<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `def_fn`
[INFO] [stderr]    --> src/parser/mod.rs:108:8
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn def_fn(&mut self) -> ParseResult {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/evaluator/scope.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(parent: RefCell<Scope>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Str`
[INFO] [stderr]   --> src/evaluator/types.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Str(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> src/evaluator/types.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Int(isize),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/evaluator/types.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Float(f64),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlisp-9536bb1eac69c8b5
[INFO] running `Command { std: "docker" "inspect" "1474194c2925f63559fa49d606684c9e2bfc2a99a7521817e47ee27e3be8c6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1474194c2925f63559fa49d606684c9e2bfc2a99a7521817e47ee27e3be8c6a5", kill_on_drop: false }`
[INFO] [stdout] 1474194c2925f63559fa49d606684c9e2bfc2a99a7521817e47ee27e3be8c6a5