[INFO] cloning repository https://github.com/nobel-sh/lamba-calculus-intepreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nobel-sh/lamba-calculus-intepreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnobel-sh%2Flamba-calculus-intepreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnobel-sh%2Flamba-calculus-intepreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a76b203788284c5cce1276b9d43d4783e2cfb56c [INFO] checking nobel-sh/lamba-calculus-intepreter against master#f7b43542838f0a4a6cfdb17fbeadf45002042a77 for pr-138499 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnobel-sh%2Flamba-calculus-intepreter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nobel-sh/lamba-calculus-intepreter on toolchain f7b43542838f0a4a6cfdb17fbeadf45002042a77 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nobel-sh/lamba-calculus-intepreter [INFO] finished tweaking git repo https://github.com/nobel-sh/lamba-calculus-intepreter [INFO] tweaked toml for git repo https://github.com/nobel-sh/lamba-calculus-intepreter written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nobel-sh/lamba-calculus-intepreter 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" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 503aec611a329f5564dc20c5e934251f26ec976b4c30d6956961558ce877f894 [INFO] running `Command { std: "docker" "start" "-a" "503aec611a329f5564dc20c5e934251f26ec976b4c30d6956961558ce877f894", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "503aec611a329f5564dc20c5e934251f26ec976b4c30d6956961558ce877f894", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "503aec611a329f5564dc20c5e934251f26ec976b4c30d6956961558ce877f894", kill_on_drop: false }` [INFO] [stdout] 503aec611a329f5564dc20c5e934251f26ec976b4c30d6956961558ce877f894 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 370d76e51e729280e93726f7dc07a1ff890d6bdaa9a61e42f85eb6db569c1f23 [INFO] running `Command { std: "docker" "start" "-a" "370d76e51e729280e93726f7dc07a1ff890d6bdaa9a61e42f85eb6db569c1f23", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking lambda_calculus_interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `InterpreterError` and `InterpreterResult` [INFO] [stdout] --> src/environment.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::error::{InterpreterError, InterpreterResult}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `InterpreterError` and `InterpreterResult` [INFO] [stdout] --> src/environment.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::error::{InterpreterError, InterpreterResult}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Environment` is never constructed [INFO] [stdout] --> src/environment.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Environment { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Environment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `extend`, `get`, and `set` are never used [INFO] [stdout] --> src/environment.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Environment { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 12 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn extend(&self) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn get(&self, name: &str) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn set(&mut self, name: String, value: Term) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `UnboundVariable`, `TypeError`, `ParseError`, and `TokenizerError` are never constructed [INFO] [stdout] --> src/error.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum InterpreterError { [INFO] [stdout] | ---------------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 9 | UnboundVariable(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | TypeError(String), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | ParseError(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | TokenizerError(String), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InterpreterError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `InterpreterResult` is never used [INFO] [stdout] --> src/error.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | pub type InterpreterResult = Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `evaluate` is never used [INFO] [stdout] --> src/evaluator.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn evaluate(term: &Term, env: &mut Environment) -> InterpreterResult { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `substitute` is never used [INFO] [stdout] --> src/evaluator.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn substitute(term: &Term, env: &Environment) -> Term { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse` is never used [INFO] [stdout] --> src/parser.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn parse(input: &str) -> InterpreterResult { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_term` is never used [INFO] [stdout] --> src/parser.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn parse_term(tokens: &[TokenKind]) -> Result<(Term, &[TokenKind]), InterpreterError> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_abstraction` is never used [INFO] [stdout] --> src/parser.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn parse_abstraction(tokens: &[TokenKind]) -> Result<(Term, &[TokenKind]), InterpreterError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_application` is never used [INFO] [stdout] --> src/parser.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn parse_application(tokens: &[TokenKind]) -> Result<(Term, &[TokenKind]), InterpreterError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Variable`, `Abstraction`, and `Application` are never constructed [INFO] [stdout] --> src/term.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Term { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 7 | /// A variable term, represented by its name. [INFO] [stdout] 8 | Variable(String), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | Abstraction(String, Box), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | Application(Box, Box), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Term` 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 `Lambda`, `Dot`, `OpenParen`, `CloseParen`, and `Identifier` are never constructed [INFO] [stdout] --> src/tokenizer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum TokenKind { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 6 | Lambda, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 7 | Dot, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | OpenParen, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 9 | CloseParen, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 10 | Identifier(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokenize` is never used [INFO] [stdout] --> src/tokenizer.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn tokenize(input: &str) -> InterpreterResult> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `UnboundVariable` is never constructed [INFO] [stdout] --> src/error.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum InterpreterError { [INFO] [stdout] | ---------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 9 | UnboundVariable(String), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `InterpreterError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s [INFO] running `Command { std: "docker" "inspect" "370d76e51e729280e93726f7dc07a1ff890d6bdaa9a61e42f85eb6db569c1f23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "370d76e51e729280e93726f7dc07a1ff890d6bdaa9a61e42f85eb6db569c1f23", kill_on_drop: false }` [INFO] [stdout] 370d76e51e729280e93726f7dc07a1ff890d6bdaa9a61e42f85eb6db569c1f23