[INFO] cloning repository https://github.com/FixpointOfBeing/stlc_bruijn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FixpointOfBeing/stlc_bruijn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFixpointOfBeing%2Fstlc_bruijn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFixpointOfBeing%2Fstlc_bruijn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74ad170bf34b76bd7786e3e3c153937df094d739
[INFO] testing FixpointOfBeing/stlc_bruijn against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFixpointOfBeing%2Fstlc_bruijn" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FixpointOfBeing/stlc_bruijn
[INFO] finished tweaking git repo https://github.com/FixpointOfBeing/stlc_bruijn
[INFO] tweaked toml for git repo https://github.com/FixpointOfBeing/stlc_bruijn written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FixpointOfBeing/stlc_bruijn on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FixpointOfBeing/stlc_bruijn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4a9b13ae8599bfde19a94a6c2ee3be6aea74b3565394efc3fe83afa39d12258
[INFO] running `Command { std: "docker" "start" "-a" "d4a9b13ae8599bfde19a94a6c2ee3be6aea74b3565394efc3fe83afa39d12258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a9b13ae8599bfde19a94a6c2ee3be6aea74b3565394efc3fe83afa39d12258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a9b13ae8599bfde19a94a6c2ee3be6aea74b3565394efc3fe83afa39d12258", kill_on_drop: false }`
[INFO] [stdout] d4a9b13ae8599bfde19a94a6c2ee3be6aea74b3565394efc3fe83afa39d12258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5641cdd9ba49939df7d23a4a1e5cb30bb61ab5d5b861701313695ace911d815
[INFO] running `Command { std: "docker" "start" "-a" "d5641cdd9ba49939df7d23a4a1e5cb30bb61ab5d5b861701313695ace911d815", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling clap_builder v4.5.50
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling clap v4.5.50
[INFO] [stderr]    Compiling stlc_bruijn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/eval.rs:225:26
[INFO] [stdout]     |
[INFO] [stdout] 225 |             Expr::Number(n) => match op {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/eval_de_bruijn.rs:293:34
[INFO] [stdout]     |
[INFO] [stdout] 293 |             DeBruijnExpr::Number(n) => match op {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval_file` is never used
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn eval_file() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EvalError` is never used
[INFO] [stdout]   --> src/eval.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum EvalError {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]   --> src/eval.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Env(HashMap<String, Expr>);
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, and `insert` are never used
[INFO] [stdout]   --> src/eval.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Env {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn get(&self, key: &str) -> Option<&Expr> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn insert(&mut self, key: String, value: Expr) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `GENSYM_COUNTER` is never used
[INFO] [stdout]   --> src/eval.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | static GENSYM_COUNTER: AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gensym` is never used
[INFO] [stdout]   --> src/eval.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn gensym(prefix: &str) -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `frees` is never used
[INFO] [stdout]   --> src/eval.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn frees(expr: &Expr) -> HashSet<String> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `substitute` is never used
[INFO] [stdout]   --> src/eval.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn substitute(body: &Expr, x: &str, s: &Expr) -> Expr {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_expr` is never used
[INFO] [stdout]    --> src/eval.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub fn step_expr(expr: Expr, env: &Env) -> Result<Option<Expr>, EvalError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval_expr` is never used
[INFO] [stdout]    --> src/eval.rs:295:8
[INFO] [stdout]     |
[INFO] [stdout] 295 | pub fn eval_expr(mut expr: Expr, env: &Env) -> Result<Expr, EvalError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval_program` is never used
[INFO] [stdout]    --> src/eval.rs:301:8
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn eval_program(prog: Program) -> Result<Expr, EvalError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_identifier` is never used
[INFO] [stdout]   --> src/lexer.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn is_identifier(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedEof` is never constructed
[INFO] [stdout]   --> src/parser.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     UnexpectedEof { expected: Vec<Token> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Number`, `Unary`, and `Binary` are never constructed
[INFO] [stdout]    --> src/parser.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | enum ExprWrap {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 160 |     Number {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     Unary {
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     Binary {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExprWrap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `look_ahead` is never used
[INFO] [stdout]    --> src/parser.rs:375:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 375 |     fn look_ahead(&self, pos: usize) -> CoordToken {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_expr` is never used
[INFO] [stdout]  --> src/repl.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn parse_expr(s: &str) -> Result<Expr, String> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repl` is never used
[INFO] [stdout]   --> src/repl.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn repl() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_expr` is never used
[INFO] [stdout]  --> src/repl_de_bruijn.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_expr(s: &str) -> Result<DeBruijnExpr, String> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repl` is never used
[INFO] [stdout]   --> src/repl_de_bruijn.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn repl() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Minus`, `Plus`, and `BitwiseNot` are never constructed
[INFO] [stdout]   --> src/syntax.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub enum UnaryOp {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 61 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 62 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 63 |     BitwiseNot,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Add`, `Sub`, `Mul`, `Div`, `BitwiseAnd`, and `BitwiseOr` are never constructed
[INFO] [stdout]   --> src/syntax.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum BinaryOp {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 67 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 68 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 69 |     Mul,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 70 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 71 |     BitwiseAnd,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 72 |     BitwiseOr,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_value`, `is_lambda`, `is_true`, and `is_false` are never used
[INFO] [stdout]    --> src/syntax.rs:283:12
[INFO] [stdout]     |
[INFO] [stdout] 282 | impl Expr {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 283 |     pub fn is_value(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 291 |     pub fn is_lambda(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 295 |     pub fn is_true(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 299 |     pub fn is_false(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]  --> src/type_check.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Context(HashMap<String, Type>);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `clone`, `add`, and `get` are never used
[INFO] [stdout]   --> src/type_check.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Context {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout]  7 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub fn clone(&self) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn add(&mut self, name: String, ty: Type) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn get(&self, name: &str) -> Option<&Type> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_expr` is never used
[INFO] [stdout]    --> src/type_check.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn check_expr(expr: &Expr, ctx: &Context, def_name: String) -> Result<Type, TypeError> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_program` is never used
[INFO] [stdout]    --> src/type_check.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub fn check_program(program: &Program) -> Result<Type, Vec<TypeError>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/syntax.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             writeln!(f, "def {} : {} = {}", self.name, ty, self.expr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 157 |             let _ = writeln!(f, "def {} : {} = {}", self.name, ty, self.expr);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.54s
[INFO] running `Command { std: "docker" "inspect" "d5641cdd9ba49939df7d23a4a1e5cb30bb61ab5d5b861701313695ace911d815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5641cdd9ba49939df7d23a4a1e5cb30bb61ab5d5b861701313695ace911d815", kill_on_drop: false }`
[INFO] [stdout] d5641cdd9ba49939df7d23a4a1e5cb30bb61ab5d5b861701313695ace911d815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cd5e1f660c2c75ca43f3fb156315a23ef541c9c34ab8f70f0ac34c024c47f50
[INFO] running `Command { std: "docker" "start" "-a" "8cd5e1f660c2c75ca43f3fb156315a23ef541c9c34ab8f70f0ac34c024c47f50", kill_on_drop: false }`
[INFO] [stderr]    Compiling stlc_bruijn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Expr` and `Type`
[INFO] [stdout]    --> src/type_check_de_bruijn.rs:190:25
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use crate::syntax::{Expr, Program, Type};
[INFO] [stdout]     |                         ^^^^           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/eval.rs:225:26
[INFO] [stdout]     |
[INFO] [stdout] 225 |             Expr::Number(n) => match op {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/eval_de_bruijn.rs:293:34
[INFO] [stdout]     |
[INFO] [stdout] 293 |             DeBruijnExpr::Number(n) => match op {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval_file` is never used
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn eval_file() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/eval.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Env {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn insert(&mut self, key: String, value: Expr) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval_program` is never used
[INFO] [stdout]    --> src/eval.rs:301:8
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub fn eval_program(prog: Program) -> Result<Expr, EvalError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_identifier` is never used
[INFO] [stdout]   --> src/lexer.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn is_identifier(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnexpectedEof` is never constructed
[INFO] [stdout]   --> src/parser.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     UnexpectedEof { expected: Vec<Token> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Number`, `Unary`, and `Binary` are never constructed
[INFO] [stdout]    --> src/parser.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | enum ExprWrap {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 160 |     Number {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     Unary {
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     Binary {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExprWrap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `look_ahead` is never used
[INFO] [stdout]    --> src/parser.rs:375:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 375 |     fn look_ahead(&self, pos: usize) -> CoordToken {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_expr` is never used
[INFO] [stdout]  --> src/repl.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn parse_expr(s: &str) -> Result<Expr, String> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repl` is never used
[INFO] [stdout]   --> src/repl.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn repl() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_expr` is never used
[INFO] [stdout]  --> src/repl_de_bruijn.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_expr(s: &str) -> Result<DeBruijnExpr, String> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repl` is never used
[INFO] [stdout]   --> src/repl_de_bruijn.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn repl() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Minus`, `Plus`, and `BitwiseNot` are never constructed
[INFO] [stdout]   --> src/syntax.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub enum UnaryOp {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 61 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 62 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 63 |     BitwiseNot,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Add`, `Sub`, `Mul`, `Div`, `BitwiseAnd`, and `BitwiseOr` are never constructed
[INFO] [stdout]   --> src/syntax.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum BinaryOp {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 67 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 68 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 69 |     Mul,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 70 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 71 |     BitwiseAnd,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 72 |     BitwiseOr,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_program` is never used
[INFO] [stdout]    --> src/type_check.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub fn check_program(program: &Program) -> Result<Type, Vec<TypeError>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/syntax.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |             writeln!(f, "def {} : {} = {}", self.name, ty, self.expr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 157 |             let _ = writeln!(f, "def {} : {} = {}", self.name, ty, self.expr);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "8cd5e1f660c2c75ca43f3fb156315a23ef541c9c34ab8f70f0ac34c024c47f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd5e1f660c2c75ca43f3fb156315a23ef541c9c34ab8f70f0ac34c024c47f50", kill_on_drop: false }`
[INFO] [stdout] 8cd5e1f660c2c75ca43f3fb156315a23ef541c9c34ab8f70f0ac34c024c47f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3acadb407578850c89028eb0fff52e20d360cc81a292fa8b07209bba95e28546
[INFO] running `Command { std: "docker" "start" "-a" "3acadb407578850c89028eb0fff52e20d360cc81a292fa8b07209bba95e28546", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Expr` and `Type`
[INFO] [stderr]    --> src/type_check_de_bruijn.rs:190:25
[INFO] [stderr]     |
[INFO] [stderr] 190 |     use crate::syntax::{Expr, Program, Type};
[INFO] [stderr]     |                         ^^^^           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/eval.rs:225:26
[INFO] [stderr]     |
[INFO] [stderr] 225 |             Expr::Number(n) => match op {
[INFO] [stderr]     |                          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/eval_de_bruijn.rs:293:34
[INFO] [stderr]     |
[INFO] [stderr] 293 |             DeBruijnExpr::Number(n) => match op {
[INFO] [stderr]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: function `eval_file` is never used
[INFO] [stderr]   --> src/main.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn eval_file() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `insert` is never used
[INFO] [stderr]   --> src/eval.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Env {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn insert(&mut self, key: String, value: Expr) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `eval_program` is never used
[INFO] [stderr]    --> src/eval.rs:301:8
[INFO] [stderr]     |
[INFO] [stderr] 301 | pub fn eval_program(prog: Program) -> Result<Expr, EvalError> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_identifier` is never used
[INFO] [stderr]   --> src/lexer.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Token {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn is_identifier(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `UnexpectedEof` is never constructed
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub enum ParseError {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 12 |     UnexpectedEof { expected: Vec<Token> },
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Number`, `Unary`, and `Binary` are never constructed
[INFO] [stderr]    --> src/parser.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 150 | enum ExprWrap {
[INFO] [stderr]     |      -------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 160 |     Number {
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |     Unary {
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 195 |     Binary {
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ExprWrap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `look_ahead` is never used
[INFO] [stderr]    --> src/parser.rs:375:8
[INFO] [stderr]     |
[INFO] [stderr] 343 | impl Parser {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 375 |     fn look_ahead(&self, pos: usize) -> CoordToken {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_expr` is never used
[INFO] [stderr]  --> src/repl.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn parse_expr(s: &str) -> Result<Expr, String> {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `repl` is never used
[INFO] [stderr]   --> src/repl.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn repl() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_expr` is never used
[INFO] [stderr]  --> src/repl_de_bruijn.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn parse_expr(s: &str) -> Result<DeBruijnExpr, String> {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `repl` is never used
[INFO] [stderr]   --> src/repl_de_bruijn.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn repl() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Minus`, `Plus`, and `BitwiseNot` are never constructed
[INFO] [stderr]   --> src/syntax.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub enum UnaryOp {
[INFO] [stderr]    |          ------- variants in this enum
[INFO] [stderr] 61 |     Minus,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 62 |     Plus,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 63 |     BitwiseNot,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UnaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Add`, `Sub`, `Mul`, `Div`, `BitwiseAnd`, and `BitwiseOr` are never constructed
[INFO] [stderr]   --> src/syntax.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub enum BinaryOp {
[INFO] [stderr]    |          -------- variants in this enum
[INFO] [stderr] 67 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 68 |     Sub,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 69 |     Mul,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 70 |     Div,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 71 |     BitwiseAnd,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 72 |     BitwiseOr,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BinaryOp` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_program` is never used
[INFO] [stderr]    --> src/type_check.rs:236:8
[INFO] [stderr]     |
[INFO] [stderr] 236 | pub fn check_program(program: &Program) -> Result<Type, Vec<TypeError>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/syntax.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |             writeln!(f, "def {} : {} = {}", self.name, ty, self.expr);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 157 |             let _ = writeln!(f, "def {} : {} = {}", self.name, ty, self.expr);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `stlc_bruijn` (bin "stlc_bruijn" test) generated 18 warnings (run `cargo fix --bin "stlc_bruijn" -p stlc_bruijn --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stlc_bruijn-585c602446ceefae)
[INFO] [stdout] 
[INFO] [stdout] running 107 tests
[INFO] [stdout] test eval::tests::test_eval_application_simple ... ok
[INFO] [stdout] test eval::tests::test_eval_if_false ... ok
[INFO] [stdout] test eval::tests::test_eval_if_nested ... ok
[INFO] [stdout] test eval::tests::test_eval_if_true ... ok
[INFO] [stdout] test eval::tests::test_eval_lambda_shadowing ... ok
[INFO] [stdout] test eval::tests::test_eval_if_with_application_predicate ... ok
[INFO] [stdout] test eval::tests::test_eval_simple_bool ... ok
[INFO] [stdout] test eval::tests::test_eval_nested_application ... ok
[INFO] [stdout] test eval_de_bruijn::tests::test_atom1 ... ok
[INFO] [stdout] test eval_de_bruijn::tests::test_atom2 ... ok
[INFO] [stdout] test eval::tests::test_eval_var ... ok
[INFO] [stdout] test eval::tests::test_eval_lambda_is_value ... ok
[INFO] [stdout] test eval::tests::test_eval_application_with_non_value_arg ... ok
[INFO] [stdout] test eval_de_bruijn::tests::test_eval_simple2 ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin stlc_bruijn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/stlc_bruijn-585c602446ceefae` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3acadb407578850c89028eb0fff52e20d360cc81a292fa8b07209bba95e28546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3acadb407578850c89028eb0fff52e20d360cc81a292fa8b07209bba95e28546", kill_on_drop: false }`
[INFO] [stdout] 3acadb407578850c89028eb0fff52e20d360cc81a292fa8b07209bba95e28546
