[INFO] cloning repository https://github.com/LemonHX/sap-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LemonHX/sap-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLemonHX%2Fsap-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLemonHX%2Fsap-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0181244ff370f730383b589181dca9604f4decc
[INFO] checking LemonHX/sap-lang against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLemonHX%2Fsap-lang" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LemonHX/sap-lang on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LemonHX/sap-lang
[INFO] finished tweaking git repo https://github.com/LemonHX/sap-lang
[INFO] tweaked toml for git repo https://github.com/LemonHX/sap-lang written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/LemonHX/sap-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-14/source/sap-lang-repl/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-14/source/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded rustyline v9.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c13f1821bfb10149aa654fef9bcda1263945a32df2263a3e3309e03a9c58f42
[INFO] running `Command { std: "docker" "start" "-a" "0c13f1821bfb10149aa654fef9bcda1263945a32df2263a3e3309e03a9c58f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c13f1821bfb10149aa654fef9bcda1263945a32df2263a3e3309e03a9c58f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c13f1821bfb10149aa654fef9bcda1263945a32df2263a3e3309e03a9c58f42", kill_on_drop: false }`
[INFO] [stdout] 0c13f1821bfb10149aa654fef9bcda1263945a32df2263a3e3309e03a9c58f42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 607472901f9dceaf9549070a77a5714c920a6e2ec63d688f29da93e3b2796120
[INFO] running `Command { std: "docker" "start" "-a" "607472901f9dceaf9549070a77a5714c920a6e2ec63d688f29da93e3b2796120", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/sap-lang-repl/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]     Checking minimal-lexical v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.68
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[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
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[INFO] [stderr]     Checking strsim v0.8.0
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[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling nom v7.0.0
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fd-lock v3.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nom_locate v4.0.0
[INFO] [stderr]     Checking sap-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `many1`
[INFO] [stdout]   --> src/parser/expr/mod.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     multi::{many1, separated_list1},
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `many1`
[INFO] [stdout]   --> src/parser/expr/mod.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     multi::{many1, separated_list1},
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::list1`
[INFO] [stdout]  --> src/parser/top_level.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::utils::list1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expr::Expr`, `ty::Type`
[INFO] [stdout]   --> src/parser/top_level.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 | use super::{expr::Expr, ty::Type};
[INFO] [stdout]    |             ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::list1`
[INFO] [stdout]  --> src/parser/top_level.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::utils::list1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expr::Expr`, `ty::Type`
[INFO] [stdout]   --> src/parser/top_level.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 | use super::{expr::Expr, ty::Type};
[INFO] [stdout]    |             ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/state/evaluator/mod.rs:315:13
[INFO] [stdout]     |
[INFO] [stdout] 314 |             todo!();
[INFO] [stdout]     |             ------- any code following this expression is unreachable
[INFO] [stdout] 315 |             Ok(Rc::new(UnsafeCell::new(Value::Null)))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/state/evaluator/mod.rs:315:13
[INFO] [stdout]     |
[INFO] [stdout] 314 |             todo!();
[INFO] [stdout]     |             ------- any code following this expression is unreachable
[INFO] [stdout] 315 |             Ok(Rc::new(UnsafeCell::new(Value::Null)))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/state/type_checker/mod.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/state/type_checker/mod.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/state/evaluator/mod.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r0`
[INFO] [stdout]    --> src/parser/expr/mod.rs:626:14
[INFO] [stdout]     |
[INFO] [stdout] 626 |         let (r0, r1) = r.unwrap();
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_r0`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/state/type_checker/mod.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/state/type_checker/mod.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]   --> src/state/evaluator/mod.rs:58:14
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state/type_checker/mod.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |                         ------     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         because it's nested under this `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state/type_checker/mod.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |                         ------     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         because it's nested under this `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state/evaluator/mod.rs:58:36
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |                         ------     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         because it's nested under this `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state/evaluator/mod.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 64 | / pub unsafe fn call_func_with_expr(
[INFO] [stdout] 65 | |     f: Value,
[INFO] [stdout] 66 | |     args: Vec<CommentedExpr>,
[INFO] [stdout] 67 | |     context: Rc<UnsafeCell<EvalContext>>,
[INFO] [stdout] 68 | | ) -> Result<Rc<UnsafeCell<Value>>, &'static str> {
[INFO] [stdout]    | |________________________________________________- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 72 |               unsafe { &*eval_expr(a, context.clone())?.get() }.clone(),
[INFO] [stdout]    |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state/evaluator/mod.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 64 | / pub unsafe fn call_func_with_expr(
[INFO] [stdout] 65 | |     f: Value,
[INFO] [stdout] 66 | |     args: Vec<CommentedExpr>,
[INFO] [stdout] 67 | |     context: Rc<UnsafeCell<EvalContext>>,
[INFO] [stdout] 68 | | ) -> Result<Rc<UnsafeCell<Value>>, &'static str> {
[INFO] [stdout]    | |________________________________________________- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 88 |               let r = unsafe { &mut *r.get() };
[INFO] [stdout]    |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/state/evaluator/mod.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 64  | / pub unsafe fn call_func_with_expr(
[INFO] [stdout] 65  | |     f: Value,
[INFO] [stdout] 66  | |     args: Vec<CommentedExpr>,
[INFO] [stdout] 67  | |     context: Rc<UnsafeCell<EvalContext>>,
[INFO] [stdout] 68  | | ) -> Result<Rc<UnsafeCell<Value>>, &'static str> {
[INFO] [stdout]     | |________________________________________________- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 151 |               let r = unsafe { &mut *r.get() };
[INFO] [stdout]     |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/state/std/mod.rs:139:37
[INFO] [stdout]     |
[INFO] [stdout] 134 | unsafe extern "C" fn uncons(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     | ---------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 139 |             Rc::new(UnsafeCell::new(unsafe { &*a[0].get() }.clone())),
[INFO] [stdout]     |                                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `char`
[INFO] [stdout]   --> src/parser/expr/literal/char.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn char(s: LocatedSpan<&str>) -> IResult<LocatedSpan<&str>, char> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ControlChar`
[INFO] [stdout]   --> src/parser/expr/literal/string.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum ControlChar {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NativeFunction`
[INFO] [stdout]   --> src/state/std/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct NativeFunction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_value`
[INFO] [stdout]   --> src/state/std/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn into_value(&self) -> Rc<UnsafeCell<Value>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `err`
[INFO] [stdout]   --> src/state/std/mod.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | unsafe extern "C" fn err(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/mod.rs:37:69
[INFO] [stdout]    |
[INFO] [stdout] 37 | unsafe extern "C" fn err(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/mod.rs:46:68
[INFO] [stdout]    |
[INFO] [stdout] 46 | unsafe extern "C" fn id(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/mod.rs:52:71
[INFO] [stdout]    |
[INFO] [stdout] 52 | unsafe extern "C" fn range(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/mod.rs:106:70
[INFO] [stdout]     |
[INFO] [stdout] 106 | unsafe extern "C" fn cons(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/mod.rs:134:72
[INFO] [stdout]     |
[INFO] [stdout] 134 | unsafe extern "C" fn uncons(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/mod.rs:152:74
[INFO] [stdout]     |
[INFO] [stdout] 152 | unsafe extern "C" fn is_empty(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/numerical.rs:10:68
[INFO] [stdout]    |
[INFO] [stdout] 10 | unsafe extern "C" fn lt(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/numerical.rs:48:68
[INFO] [stdout]    |
[INFO] [stdout] 48 | unsafe extern "C" fn gt(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/numerical.rs:86:68
[INFO] [stdout]    |
[INFO] [stdout] 86 | unsafe extern "C" fn le(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:124:68
[INFO] [stdout]     |
[INFO] [stdout] 124 | unsafe extern "C" fn ge(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:162:68
[INFO] [stdout]     |
[INFO] [stdout] 162 | unsafe extern "C" fn eq(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:200:68
[INFO] [stdout]     |
[INFO] [stdout] 200 | unsafe extern "C" fn ne(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:238:69
[INFO] [stdout]     |
[INFO] [stdout] 238 | unsafe extern "C" fn add(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:276:69
[INFO] [stdout]     |
[INFO] [stdout] 276 | unsafe extern "C" fn sub(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:314:69
[INFO] [stdout]     |
[INFO] [stdout] 314 | unsafe extern "C" fn mul(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:352:69
[INFO] [stdout]     |
[INFO] [stdout] 352 | unsafe extern "C" fn div(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:390:69
[INFO] [stdout]     |
[INFO] [stdout] 390 | unsafe extern "C" fn rem(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state/type_checker/mod.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |                         ------     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         because it's nested under this `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state/type_checker/mod.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |                         ------     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         because it's nested under this `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state/evaluator/mod.rs:58:36
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Some(source) => unsafe { &*unsafe { &*c.imports.get() }.imports[&s[0]].get() }
[INFO] [stdout]    |                         ------     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         because it's nested under this `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state/evaluator/mod.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 64 | / pub unsafe fn call_func_with_expr(
[INFO] [stdout] 65 | |     f: Value,
[INFO] [stdout] 66 | |     args: Vec<CommentedExpr>,
[INFO] [stdout] 67 | |     context: Rc<UnsafeCell<EvalContext>>,
[INFO] [stdout] 68 | | ) -> Result<Rc<UnsafeCell<Value>>, &'static str> {
[INFO] [stdout]    | |________________________________________________- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 72 |               unsafe { &*eval_expr(a, context.clone())?.get() }.clone(),
[INFO] [stdout]    |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/state/evaluator/mod.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 64 | / pub unsafe fn call_func_with_expr(
[INFO] [stdout] 65 | |     f: Value,
[INFO] [stdout] 66 | |     args: Vec<CommentedExpr>,
[INFO] [stdout] 67 | |     context: Rc<UnsafeCell<EvalContext>>,
[INFO] [stdout] 68 | | ) -> Result<Rc<UnsafeCell<Value>>, &'static str> {
[INFO] [stdout]    | |________________________________________________- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 88 |               let r = unsafe { &mut *r.get() };
[INFO] [stdout]    |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/state/evaluator/mod.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 64  | / pub unsafe fn call_func_with_expr(
[INFO] [stdout] 65  | |     f: Value,
[INFO] [stdout] 66  | |     args: Vec<CommentedExpr>,
[INFO] [stdout] 67  | |     context: Rc<UnsafeCell<EvalContext>>,
[INFO] [stdout] 68  | | ) -> Result<Rc<UnsafeCell<Value>>, &'static str> {
[INFO] [stdout]     | |________________________________________________- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 151 |               let r = unsafe { &mut *r.get() };
[INFO] [stdout]     |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/state/std/mod.rs:139:37
[INFO] [stdout]     |
[INFO] [stdout] 134 | unsafe extern "C" fn uncons(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     | ---------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 139 |             Rc::new(UnsafeCell::new(unsafe { &*a[0].get() }.clone())),
[INFO] [stdout]     |                                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `char`
[INFO] [stdout]   --> src/parser/expr/literal/char.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn char(s: LocatedSpan<&str>) -> IResult<LocatedSpan<&str>, char> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ControlChar`
[INFO] [stdout]   --> src/parser/expr/literal/string.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum ControlChar {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NativeFunction`
[INFO] [stdout]   --> src/state/std/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct NativeFunction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_value`
[INFO] [stdout]   --> src/state/std/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn into_value(&self) -> Rc<UnsafeCell<Value>> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `err`
[INFO] [stdout]   --> src/state/std/mod.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 | unsafe extern "C" fn err(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/mod.rs:37:69
[INFO] [stdout]    |
[INFO] [stdout] 37 | unsafe extern "C" fn err(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/mod.rs:46:68
[INFO] [stdout]    |
[INFO] [stdout] 46 | unsafe extern "C" fn id(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/mod.rs:52:71
[INFO] [stdout]    |
[INFO] [stdout] 52 | unsafe extern "C" fn range(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/mod.rs:106:70
[INFO] [stdout]     |
[INFO] [stdout] 106 | unsafe extern "C" fn cons(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/mod.rs:134:72
[INFO] [stdout]     |
[INFO] [stdout] 134 | unsafe extern "C" fn uncons(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                        ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/mod.rs:152:74
[INFO] [stdout]     |
[INFO] [stdout] 152 | unsafe extern "C" fn is_empty(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/numerical.rs:10:68
[INFO] [stdout]    |
[INFO] [stdout] 10 | unsafe extern "C" fn lt(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/numerical.rs:48:68
[INFO] [stdout]    |
[INFO] [stdout] 48 | unsafe extern "C" fn gt(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]   --> src/state/std/numerical.rs:86:68
[INFO] [stdout]    |
[INFO] [stdout] 86 | unsafe extern "C" fn le(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub enum Value {
[INFO] [stdout] 8  | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9  | |     Number(Number),
[INFO] [stdout] 10 | |     String(String),
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     Error(String),
[INFO] [stdout] 32 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:124:68
[INFO] [stdout]     |
[INFO] [stdout] 124 | unsafe extern "C" fn ge(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:162:68
[INFO] [stdout]     |
[INFO] [stdout] 162 | unsafe extern "C" fn eq(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:200:68
[INFO] [stdout]     |
[INFO] [stdout] 200 | unsafe extern "C" fn ne(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:238:69
[INFO] [stdout]     |
[INFO] [stdout] 238 | unsafe extern "C" fn add(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:276:69
[INFO] [stdout]     |
[INFO] [stdout] 276 | unsafe extern "C" fn sub(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:314:69
[INFO] [stdout]     |
[INFO] [stdout] 314 | unsafe extern "C" fn mul(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:352:69
[INFO] [stdout]     |
[INFO] [stdout] 352 | unsafe extern "C" fn div(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Value`, which is not FFI-safe
[INFO] [stdout]    --> src/state/std/numerical.rs:390:69
[INFO] [stdout]     |
[INFO] [stdout] 390 | unsafe extern "C" fn rem(args_count: usize, va: *mut *mut Value) -> UnsafeCell<Value> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]     = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]    --> src/state/evaluator/value.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout] 7   | / pub enum Value {
[INFO] [stdout] 8   | |     Pair(String, Rc<UnsafeCell<Value>>),
[INFO] [stdout] 9   | |     Number(Number),
[INFO] [stdout] 10  | |     String(String),
[INFO] [stdout] ...   |
[INFO] [stdout] 31  | |     Error(String),
[INFO] [stdout] 32  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustyline v9.0.0
[INFO] [stderr]     Checking sap-lang-repl v0.1.0 (/opt/rustwide/workdir/sap-lang-repl)
[INFO] [stdout] warning: unused imports: `RefCell`, `UnsafeCell`
[INFO] [stdout]  --> sap-lang-repl/src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cell::{RefCell, UnsafeCell};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> sap-lang-repl/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> sap-lang-repl/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EvalContext`, `eval_expr`
[INFO] [stdout]   --> sap-lang-repl/src/main.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sap_lang::state::evaluator::{eval_expr, EvalContext};
[INFO] [stdout]    |                                  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TypeCheckContext`, `type_check_expr`
[INFO] [stdout]   --> sap-lang-repl/src/main.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 | use sap_lang::state::type_checker::{type_check_expr, TypeCheckContext};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell`, `UnsafeCell`
[INFO] [stdout]  --> sap-lang-repl/src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cell::{RefCell, UnsafeCell};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> sap-lang-repl/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> sap-lang-repl/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EvalContext`, `eval_expr`
[INFO] [stdout]   --> sap-lang-repl/src/main.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sap_lang::state::evaluator::{eval_expr, EvalContext};
[INFO] [stdout]    |                                  ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TypeCheckContext`, `type_check_expr`
[INFO] [stdout]   --> sap-lang-repl/src/main.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 | use sap_lang::state::type_checker::{type_check_expr, TypeCheckContext};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> sap-lang-repl/src/main.rs:71:44
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...                   TopLevel::Expr(e) => {
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> sap-lang-repl/src/main.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> sap-lang-repl/src/main.rs:71:44
[INFO] [stdout]    |
[INFO] [stdout] 71 | ...                   TopLevel::Expr(e) => {
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> sap-lang-repl/src/main.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking sap v0.1.0 (/opt/rustwide/workdir/sap)
[INFO] [stdout] warning: unused imports: `cell::UnsafeCell`, `collections::BTreeMap`, `rc::Rc`
[INFO] [stdout]  --> sap/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::UnsafeCell, collections::BTreeMap, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`, `clap_app`
[INFO] [stdout]  --> sap/src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{clap_app, App, Arg};
[INFO] [stdout]   |            ^^^^^^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quick_xml::Reader`
[INFO] [stdout]  --> sap/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use quick_xml::Reader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `parser::expr::literal::Number`, `state::evaluator::value::Value`
[INFO] [stdout]  --> sap/src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sap_lang::{parser::expr::literal::Number, state::evaluator::value::Value};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::UnsafeCell`, `collections::BTreeMap`, `rc::Rc`
[INFO] [stdout]  --> sap/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::UnsafeCell, collections::BTreeMap, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`, `clap_app`
[INFO] [stdout]  --> sap/src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{clap_app, App, Arg};
[INFO] [stdout]   |            ^^^^^^^^  ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quick_xml::Reader`
[INFO] [stdout]  --> sap/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use quick_xml::Reader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `parser::expr::literal::Number`, `state::evaluator::value::Value`
[INFO] [stdout]  --> sap/src/main.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sap_lang::{parser::expr::literal::Number, state::evaluator::value::Value};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 30s
[INFO] running `Command { std: "docker" "inspect" "607472901f9dceaf9549070a77a5714c920a6e2ec63d688f29da93e3b2796120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607472901f9dceaf9549070a77a5714c920a6e2ec63d688f29da93e3b2796120", kill_on_drop: false }`
[INFO] [stdout] 607472901f9dceaf9549070a77a5714c920a6e2ec63d688f29da93e3b2796120