[INFO] cloning repository https://github.com/diggymo/rustack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/diggymo/rustack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiggymo%2Frustack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiggymo%2Frustack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7025dd9844e981f83b7a61f4d07418c166f3960c
[INFO] checking diggymo/rustack against try#ae258e1fcbee4a062f5f3d869f06004d7cea088e for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiggymo%2Frustack" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/diggymo/rustack on toolchain ae258e1fcbee4a062f5f3d869f06004d7cea088e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/diggymo/rustack
[INFO] finished tweaking git repo https://github.com/diggymo/rustack
[INFO] tweaked toml for git repo https://github.com/diggymo/rustack written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/diggymo/rustack 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" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b7371ef21adf39a9352ddf08c6bd84ff6f4509e7a525230483c55900c6de0fa
[INFO] running `Command { std: "docker" "start" "-a" "1b7371ef21adf39a9352ddf08c6bd84ff6f4509e7a525230483c55900c6de0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b7371ef21adf39a9352ddf08c6bd84ff6f4509e7a525230483c55900c6de0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7371ef21adf39a9352ddf08c6bd84ff6f4509e7a525230483c55900c6de0fa", kill_on_drop: false }`
[INFO] [stdout] 1b7371ef21adf39a9352ddf08c6bd84ff6f4509e7a525230483c55900c6de0fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758113b5d2e20bdb543127ca6359a63b1bac240439fe0e4c608ca8002076fab2
[INFO] running `Command { std: "docker" "start" "-a" "758113b5d2e20bdb543127ca6359a63b1bac240439fe0e4c608ca8002076fab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.69
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling test-log-macros v0.2.16
[INFO] [stderr]     Checking test-log v0.2.16
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing-chrome v0.7.2
[INFO] [stderr]     Checking rustack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/main_4.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::Err`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nom::Err;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_chrome::ChromeLayerBuilder`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_chrome::ChromeLayerBuilder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env_logger`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use env_logger;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::fmt`
[INFO] [stdout]    --> src/main.rs:619:5
[INFO] [stdout]     |
[INFO] [stdout] 619 | use tracing_subscriber::fmt;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `registry::Registry`
[INFO] [stdout]    --> src/main.rs:620:38
[INFO] [stdout]     |
[INFO] [stdout] 620 | use tracing_subscriber::{prelude::*, registry::Registry};
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::Err`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nom::Err;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_chrome::ChromeLayerBuilder`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_chrome::ChromeLayerBuilder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env_logger`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use env_logger;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::fmt`
[INFO] [stdout]    --> src/main.rs:619:5
[INFO] [stdout]     |
[INFO] [stdout] 619 | use tracing_subscriber::fmt;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `registry::Registry`
[INFO] [stdout]    --> src/main.rs:620:38
[INFO] [stdout]     |
[INFO] [stdout] 620 | use tracing_subscriber::{prelude::*, registry::Registry};
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/main_2.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.0 == other.0
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]    |
[INFO] [stdout] 73 |         std::ptr::fn_addr_eq(self.0, other.0)
[INFO] [stdout]    |         +++++++++++++++++++++      ~        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/main_4.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/main_2.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         self.0 == other.0
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] help: refactor your code, or use `std::ptr::fn_addr_eq` to suppress the lint
[INFO] [stdout]    |
[INFO] [stdout] 73 |         std::ptr::fn_addr_eq(self.0, other.0)
[INFO] [stdout]    |         +++++++++++++++++++++      ~        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]    --> src/main.rs:620:26
[INFO] [stdout]     |
[INFO] [stdout] 620 | use tracing_subscriber::{prelude::*, registry::Registry};
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |         _ => panic!("arienai..."),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         (F64(lhs), rhs) => F64(d(*lhs, coerce_f64(rhs))),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 219 |         (lhs, F64(rhs)) => F64(d(coerce_f64(lhs), *rhs)),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 220 |         (I64(lhs), rhs) => I64(i(*lhs, coerce_i64(rhs))),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 221 |         (lhs, I64(rhs)) => I64(i(coerce_i64(lhs), *rhs)),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 222 |         (Str(lhs), Str(rhs)) => Str(s(lhs, rhs)),
[INFO] [stdout] 223 |         _ => panic!("arienai..."),
[INFO] [stdout]     |         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]    --> src/main.rs:406:17
[INFO] [stdout]     |
[INFO] [stdout] 406 |                 return_type,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `return_type: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:428:17
[INFO] [stdout]     |
[INFO] [stdout] 428 |                 args,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]    --> src/main.rs:429:17
[INFO] [stdout]     |
[INFO] [stdout] 429 |                 return_type,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `return_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main_4.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         _ => panic!("arienai..."),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main_4.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         (F64(lhs), rhs) => F64(d(*lhs, coerce_f64(rhs))),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 110 |         (lhs, F64(rhs)) => F64(d(coerce_f64(lhs), *rhs)),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 111 |         (I64(lhs), rhs) => I64(i(*lhs, coerce_i64(rhs))),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 112 |         (lhs, I64(rhs)) => I64(i(coerce_i64(lhs), *rhs)),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 113 |         (Str(lhs), Str(rhs)) => Str(s(lhs, rhs)),
[INFO] [stdout] 114 |         _ => panic!("arienai..."),
[INFO] [stdout]     |         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:963:16
[INFO] [stdout]     |
[INFO] [stdout] 963 | fn str_literal(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |                ----^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:969:11
[INFO] [stdout]     |
[INFO] [stdout] 969 | fn number(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:974:10
[INFO] [stdout]     |
[INFO] [stdout] 974 | fn ident(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |          ----^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vars`, `funcs`, and `super_context` are never read
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct TypeCheckContext<'src> {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 40 |     vars: HashMap<&'src str, TypeDecl>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     funcs: HashMap<&'src str, FnDef<'src>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     super_context: Option<&'src TypeCheckContext<'src>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_var` and `get_fn` are never used
[INFO] [stdout]   --> src/main.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<'src> TypeCheckContext<'src> {
[INFO] [stdout]    | --------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn get_var(&self, name: &str) -> Option<TypeDecl> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn get_fn(&self, name: &str) -> Option<&FnDef<'src>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl TypeCheckError {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 112 |     fn new(msg: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tc_coerce_type` is never used
[INFO] [stdout]    --> src/main.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn tc_coerce_type<'src>(value: &TypeDecl, target: &TypeDecl) -> Result<TypeDecl, TypeCheckError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_var` is never used
[INFO] [stdout]    --> src/main.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | impl<'src> StackFrame<'src> {
[INFO] [stdout]     | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     pub fn set_var(&mut self, name: &str, value: Value) -> &f64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ex_eval` is never used
[INFO] [stdout]    --> src/main.rs:816:4
[INFO] [stdout]     |
[INFO] [stdout] 816 | fn ex_eval<'src>(input: &'src str, frame: &mut StackFrame<'src>) -> EvalResult {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]    --> src/main.rs:620:26
[INFO] [stdout]     |
[INFO] [stdout] 620 | use tracing_subscriber::{prelude::*, registry::Registry};
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main_4.rs:771:16
[INFO] [stdout]     |
[INFO] [stdout] 771 | fn str_literal(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |                ----^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |         _ => panic!("arienai..."),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         (F64(lhs), rhs) => F64(d(*lhs, coerce_f64(rhs))),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 219 |         (lhs, F64(rhs)) => F64(d(coerce_f64(lhs), *rhs)),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 220 |         (I64(lhs), rhs) => I64(i(*lhs, coerce_i64(rhs))),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 221 |         (lhs, I64(rhs)) => I64(i(coerce_i64(lhs), *rhs)),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 222 |         (Str(lhs), Str(rhs)) => Str(s(lhs, rhs)),
[INFO] [stdout] 223 |         _ => panic!("arienai..."),
[INFO] [stdout]     |         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main_4.rs:777:11
[INFO] [stdout]     |
[INFO] [stdout] 777 | fn number(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main_4.rs:782:10
[INFO] [stdout]     |
[INFO] [stdout] 782 | fn ident(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |          ----^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]    --> src/main.rs:406:17
[INFO] [stdout]     |
[INFO] [stdout] 406 |                 return_type,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `return_type: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:428:17
[INFO] [stdout]     |
[INFO] [stdout] 428 |                 args,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `args: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]    --> src/main.rs:429:17
[INFO] [stdout]     |
[INFO] [stdout] 429 |                 return_type,
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: try ignoring the field: `return_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_var` is never used
[INFO] [stdout]    --> src/main_4.rs:202:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl<'src> StackFrame<'src> {
[INFO] [stdout]     | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub fn set_var(&mut self, name: &str, value: Value) -> &f64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ex_eval` is never used
[INFO] [stdout]    --> src/main_4.rs:624:4
[INFO] [stdout]     |
[INFO] [stdout] 624 | fn ex_eval<'src>(input: &'src str, frame: &mut StackFrame<'src>) -> EvalResult {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main_4.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         _ => panic!("arienai..."),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main_4.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         (F64(lhs), rhs) => F64(d(*lhs, coerce_f64(rhs))),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 110 |         (lhs, F64(rhs)) => F64(d(coerce_f64(lhs), *rhs)),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 111 |         (I64(lhs), rhs) => I64(i(*lhs, coerce_i64(rhs))),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 112 |         (lhs, I64(rhs)) => I64(i(coerce_i64(lhs), *rhs)),
[INFO] [stdout]     |         --------------- matches some of the same values
[INFO] [stdout] 113 |         (Str(lhs), Str(rhs)) => Str(s(lhs, rhs)),
[INFO] [stdout] 114 |         _ => panic!("arienai..."),
[INFO] [stdout]     |         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main_4.rs:771:16
[INFO] [stdout]     |
[INFO] [stdout] 771 | fn str_literal(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |                ----^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main_4.rs:777:11
[INFO] [stdout]     |
[INFO] [stdout] 777 | fn number(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main_4.rs:782:10
[INFO] [stdout]     |
[INFO] [stdout] 782 | fn ident(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |          ----^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:963:16
[INFO] [stdout]     |
[INFO] [stdout] 963 | fn str_literal(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |                ----^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:969:11
[INFO] [stdout]     |
[INFO] [stdout] 969 | fn number(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:974:10
[INFO] [stdout]     |
[INFO] [stdout] 974 | fn ident(mut input: &str) -> IResult<&str, Expression> {
[INFO] [stdout]     |          ----^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_var` is never used
[INFO] [stdout]    --> src/main_4.rs:202:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | impl<'src> StackFrame<'src> {
[INFO] [stdout]     | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 202 |     pub fn set_var(&mut self, name: &str, value: Value) -> &f64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vars`, `funcs`, and `super_context` are never read
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct TypeCheckContext<'src> {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 40 |     vars: HashMap<&'src str, TypeDecl>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     funcs: HashMap<&'src str, FnDef<'src>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     super_context: Option<&'src TypeCheckContext<'src>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_var` and `get_fn` are never used
[INFO] [stdout]   --> src/main.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<'src> TypeCheckContext<'src> {
[INFO] [stdout]    | --------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn get_var(&self, name: &str) -> Option<TypeDecl> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn get_fn(&self, name: &str) -> Option<&FnDef<'src>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl TypeCheckError {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 112 |     fn new(msg: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tc_coerce_type` is never used
[INFO] [stdout]    --> src/main.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn tc_coerce_type<'src>(value: &TypeDecl, target: &TypeDecl) -> Result<TypeDecl, TypeCheckError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_var` is never used
[INFO] [stdout]    --> src/main.rs:321:12
[INFO] [stdout]     |
[INFO] [stdout] 227 | impl<'src> StackFrame<'src> {
[INFO] [stdout]     | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 321 |     pub fn set_var(&mut self, name: &str, value: Value) -> &f64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.59s
[INFO] running `Command { std: "docker" "inspect" "758113b5d2e20bdb543127ca6359a63b1bac240439fe0e4c608ca8002076fab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758113b5d2e20bdb543127ca6359a63b1bac240439fe0e4c608ca8002076fab2", kill_on_drop: false }`
[INFO] [stdout] 758113b5d2e20bdb543127ca6359a63b1bac240439fe0e4c608ca8002076fab2
