[INFO] cloning repository https://github.com/5CYTH3/rs_toy_compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/5CYTH3/rs_toy_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5CYTH3%2Frs_toy_compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5CYTH3%2Frs_toy_compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04d884f727ae09c8b53d3d68c0a922c99a923f8a [INFO] building 5CYTH3/rs_toy_compiler against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5CYTH3%2Frs_toy_compiler" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/5CYTH3/rs_toy_compiler on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/5CYTH3/rs_toy_compiler [INFO] finished tweaking git repo https://github.com/5CYTH3/rs_toy_compiler [INFO] tweaked toml for git repo https://github.com/5CYTH3/rs_toy_compiler written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/5CYTH3/rs_toy_compiler 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded aho-corasick v0.7.20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bc797d403b7d1b413a616584bd4a1a7d0cf4a2cfddcaecaf8931ef7bb579eee1 [INFO] running `Command { std: "docker" "start" "-a" "bc797d403b7d1b413a616584bd4a1a7d0cf4a2cfddcaecaf8931ef7bb579eee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc797d403b7d1b413a616584bd4a1a7d0cf4a2cfddcaecaf8931ef7bb579eee1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc797d403b7d1b413a616584bd4a1a7d0cf4a2cfddcaecaf8931ef7bb579eee1", kill_on_drop: false }` [INFO] [stdout] bc797d403b7d1b413a616584bd4a1a7d0cf4a2cfddcaecaf8931ef7bb579eee1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bfae1bfd2564675b08487e6e67f173da15f9b276484653a97cdcac897dd2b0b7 [INFO] running `Command { std: "docker" "start" "-a" "bfae1bfd2564675b08487e6e67f173da15f9b276484653a97cdcac897dd2b0b7", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling regex v1.7.0 [INFO] [stderr] Compiling parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `fs::File` and `io::Write` [INFO] [stdout] --> src/compiler/mod.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{fs::File, io::Write}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Expr`, `StatementList`, `Statement`, and `token::TokenType` [INFO] [stdout] --> src/compiler/mod.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | ast::{Expr, Statement, StatementList}, [INFO] [stdout] | ^^^^ ^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] 7 | token::TokenType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error::Error` [INFO] [stdout] --> src/errors/mod.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{error::Error, fmt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `compiler::*` [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | use compiler::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `regexp` [INFO] [stdout] --> src/parse/lexer.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | fn match_token(&mut self, regexp: (&str, TokenType), ctx: &str) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_regexp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/parse/lexer.rs:26:58 [INFO] [stdout] | [INFO] [stdout] 26 | fn match_token(&mut self, regexp: (&str, TokenType), ctx: &str) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SyntaxError` is never constructed [INFO] [stdout] --> src/errors/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum KarmError { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 7 | SyntaxError(TokenType, TokenType) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KarmError` 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] [stdout] warning: method `is_literal` is never used [INFO] [stdout] --> src/parse/mod.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Parser { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 163 | fn is_literal(&self, token: Token) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `match_token` is never used [INFO] [stdout] --> src/parse/lexer.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Lexer { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn match_token(&mut self, regexp: (&str, TokenType), ctx: &str) {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/parse/token.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 27 | pub enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 30 | Natural, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | Min, // - [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | Mul, // * [INFO] [stdout] 37 | Div, // / [INFO] [stdout] | ^^^ [INFO] [stdout] 38 | Less, // < [INFO] [stdout] | ^^^^ [INFO] [stdout] 39 | Greater, // > [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 40 | EqLess, // <= [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 41 | EqGreater, // >= [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 42 | Percent, // % [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | Def, // def [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `guard_precedence` is never used [INFO] [stdout] --> src/parse/token.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 53 | impl TokenType { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 54 | pub fn guard_precedence(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.52s [INFO] running `Command { std: "docker" "inspect" "bfae1bfd2564675b08487e6e67f173da15f9b276484653a97cdcac897dd2b0b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfae1bfd2564675b08487e6e67f173da15f9b276484653a97cdcac897dd2b0b7", kill_on_drop: false }` [INFO] [stdout] bfae1bfd2564675b08487e6e67f173da15f9b276484653a97cdcac897dd2b0b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29a378b70f8a8a5a52c1b463138985122732fb16b918219b03ae31a7a9147dc1 [INFO] running `Command { std: "docker" "start" "-a" "29a378b70f8a8a5a52c1b463138985122732fb16b918219b03ae31a7a9147dc1", kill_on_drop: false }` [INFO] [stderr] Compiling parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `fs::File` and `io::Write` [INFO] [stdout] --> src/compiler/mod.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{fs::File, io::Write}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Expr`, `StatementList`, `Statement`, and `token::TokenType` [INFO] [stdout] --> src/compiler/mod.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | ast::{Expr, Statement, StatementList}, [INFO] [stdout] | ^^^^ ^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] 7 | token::TokenType, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error::Error` [INFO] [stdout] --> src/errors/mod.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{error::Error, fmt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `compiler::*` [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | use compiler::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `regexp` [INFO] [stdout] --> src/parse/lexer.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | fn match_token(&mut self, regexp: (&str, TokenType), ctx: &str) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_regexp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/parse/lexer.rs:26:58 [INFO] [stdout] | [INFO] [stdout] 26 | fn match_token(&mut self, regexp: (&str, TokenType), ctx: &str) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SyntaxError` is never constructed [INFO] [stdout] --> src/errors/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum KarmError { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 7 | SyntaxError(TokenType, TokenType) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KarmError` 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] [stdout] warning: method `is_literal` is never used [INFO] [stdout] --> src/parse/mod.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl Parser { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 163 | fn is_literal(&self, token: Token) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `match_token` is never used [INFO] [stdout] --> src/parse/lexer.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Lexer { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn match_token(&mut self, regexp: (&str, TokenType), ctx: &str) {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/parse/token.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 27 | pub enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 30 | Natural, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | Min, // - [INFO] [stdout] | ^^^ [INFO] [stdout] 36 | Mul, // * [INFO] [stdout] 37 | Div, // / [INFO] [stdout] | ^^^ [INFO] [stdout] 38 | Less, // < [INFO] [stdout] | ^^^^ [INFO] [stdout] 39 | Greater, // > [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 40 | EqLess, // <= [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 41 | EqGreater, // >= [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 42 | Percent, // % [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | Def, // def [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `guard_precedence` is never used [INFO] [stdout] --> src/parse/token.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 53 | impl TokenType { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 54 | pub fn guard_precedence(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "29a378b70f8a8a5a52c1b463138985122732fb16b918219b03ae31a7a9147dc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29a378b70f8a8a5a52c1b463138985122732fb16b918219b03ae31a7a9147dc1", kill_on_drop: false }` [INFO] [stdout] 29a378b70f8a8a5a52c1b463138985122732fb16b918219b03ae31a7a9147dc1