Oct 12 13:53:35.696 INFO checking shhr1214/monkey-rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977 Oct 12 13:53:35.696 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Oct 12 13:53:36.106 INFO blam! 8ab835407b38b4664af225b6a38ce255b44dcd8db0e371d6334b357c4816d3bb Oct 12 13:53:36.109 INFO running `"docker" "start" "-a" "8ab835407b38b4664af225b6a38ce255b44dcd8db0e371d6334b357c4816d3bb"` Oct 12 13:53:36.688 INFO kablam! usermod: no changes Oct 12 13:53:36.773 INFO kablam! Checking monkey-rust v0.1.0 (/source) Oct 12 13:53:37.037 INFO kablam! warning: unused import: `token::Token` Oct 12 13:53:37.037 INFO kablam! --> src/ast.rs:2:5 Oct 12 13:53:37.037 INFO kablam! | Oct 12 13:53:37.037 INFO kablam! 2 | use token::Token; Oct 12 13:53:37.037 INFO kablam! | ^^^^^^^^^^^^ Oct 12 13:53:37.037 INFO kablam! | Oct 12 13:53:37.037 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 12 13:53:37.037 INFO kablam! Oct 12 13:53:37.037 INFO kablam! warning: unused import: `Node` Oct 12 13:53:37.037 INFO kablam! --> src/parser.rs:1:11 Oct 12 13:53:37.037 INFO kablam! | Oct 12 13:53:37.038 INFO kablam! 1 | use ast::{Node, Program, Statement}; Oct 12 13:53:37.038 INFO kablam! | ^^^^ Oct 12 13:53:37.038 INFO kablam! Oct 12 13:53:37.038 INFO kablam! warning: unused import: `Result` Oct 12 13:53:37.038 INFO kablam! --> src/repl.rs:1:41 Oct 12 13:53:37.038 INFO kablam! | Oct 12 13:53:37.038 INFO kablam! 1 | use std::io::{BufRead, BufReader, Read, Result, Write}; Oct 12 13:53:37.038 INFO kablam! | ^^^^^^ Oct 12 13:53:37.038 INFO kablam! Oct 12 13:53:37.057 INFO kablam! warning: unused import: `token::Token` Oct 12 13:53:37.057 INFO kablam! --> src/ast.rs:2:5 Oct 12 13:53:37.057 INFO kablam! | Oct 12 13:53:37.057 INFO kablam! 2 | use token::Token; Oct 12 13:53:37.057 INFO kablam! | ^^^^^^^^^^^^ Oct 12 13:53:37.057 INFO kablam! | Oct 12 13:53:37.057 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 12 13:53:37.057 INFO kablam! Oct 12 13:53:37.064 INFO kablam! warning: unused imports: `Node`, `Statement` Oct 12 13:53:37.064 INFO kablam! --> src/parser.rs:1:11 Oct 12 13:53:37.064 INFO kablam! | Oct 12 13:53:37.064 INFO kablam! 1 | use ast::{Node, Program, Statement}; Oct 12 13:53:37.064 INFO kablam! | ^^^^ ^^^^^^^^^ Oct 12 13:53:37.064 INFO kablam! Oct 12 13:53:37.064 INFO kablam! warning: unused import: `token` Oct 12 13:53:37.064 INFO kablam! --> src/parser.rs:3:5 Oct 12 13:53:37.064 INFO kablam! | Oct 12 13:53:37.064 INFO kablam! 3 | use token; Oct 12 13:53:37.064 INFO kablam! | ^^^^^ Oct 12 13:53:37.064 INFO kablam! Oct 12 13:53:37.064 INFO kablam! warning: unused import: `Result` Oct 12 13:53:37.064 INFO kablam! --> src/repl.rs:1:41 Oct 12 13:53:37.064 INFO kablam! | Oct 12 13:53:37.064 INFO kablam! 1 | use std::io::{BufRead, BufReader, Read, Result, Write}; Oct 12 13:53:37.064 INFO kablam! | ^^^^^^ Oct 12 13:53:37.064 INFO kablam! Oct 12 13:53:37.145 INFO kablam! warning: enum is never used: `Statement` Oct 12 13:53:37.147 INFO kablam! --> src/ast.rs:8:1 Oct 12 13:53:37.147 INFO kablam! | Oct 12 13:53:37.147 INFO kablam! 8 | pub enum Statement { Oct 12 13:53:37.147 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.147 INFO kablam! | Oct 12 13:53:37.147 INFO kablam! = note: #[warn(dead_code)] on by default Oct 12 13:53:37.147 INFO kablam! Oct 12 13:53:37.147 INFO kablam! warning: struct is never constructed: `Expression` Oct 12 13:53:37.147 INFO kablam! --> src/ast.rs:22:1 Oct 12 13:53:37.147 INFO kablam! | Oct 12 13:53:37.147 INFO kablam! 22 | pub struct Expression {} Oct 12 13:53:37.147 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.147 INFO kablam! Oct 12 13:53:37.147 INFO kablam! warning: struct is never constructed: `Program` Oct 12 13:53:37.147 INFO kablam! --> src/ast.rs:24:1 Oct 12 13:53:37.147 INFO kablam! | Oct 12 13:53:37.147 INFO kablam! 24 | pub struct Program { Oct 12 13:53:37.147 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.147 INFO kablam! Oct 12 13:53:37.147 INFO kablam! warning: method is never used: `new` Oct 12 13:53:37.147 INFO kablam! --> src/ast.rs:29:5 Oct 12 13:53:37.148 INFO kablam! | Oct 12 13:53:37.148 INFO kablam! 29 | pub fn new() -> Program { Oct 12 13:53:37.148 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.148 INFO kablam! Oct 12 13:53:37.148 INFO kablam! warning: method is never used: `statements` Oct 12 13:53:37.148 INFO kablam! --> src/ast.rs:35:5 Oct 12 13:53:37.148 INFO kablam! | Oct 12 13:53:37.148 INFO kablam! 35 | pub fn statements(self) -> Vec { Oct 12 13:53:37.148 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.148 INFO kablam! Oct 12 13:53:37.148 INFO kablam! warning: struct is never constructed: `Identifier` Oct 12 13:53:37.148 INFO kablam! --> src/ast.rs:53:1 Oct 12 13:53:37.148 INFO kablam! | Oct 12 13:53:37.148 INFO kablam! 53 | pub struct Identifier(pub String); Oct 12 13:53:37.148 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.148 INFO kablam! Oct 12 13:53:37.148 INFO kablam! warning: struct is never constructed: `Parser` Oct 12 13:53:37.148 INFO kablam! --> src/parser.rs:6:1 Oct 12 13:53:37.148 INFO kablam! | Oct 12 13:53:37.148 INFO kablam! 6 | struct Parser { Oct 12 13:53:37.148 INFO kablam! | ^^^^^^^^^^^^^ Oct 12 13:53:37.148 INFO kablam! Oct 12 13:53:37.149 INFO kablam! warning: method is never used: `new` Oct 12 13:53:37.149 INFO kablam! --> src/parser.rs:13:5 Oct 12 13:53:37.149 INFO kablam! | Oct 12 13:53:37.149 INFO kablam! 13 | pub fn new(mut lexer: Lexer) -> Parser { Oct 12 13:53:37.149 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.149 INFO kablam! Oct 12 13:53:37.149 INFO kablam! warning: method is never used: `next_token` Oct 12 13:53:37.149 INFO kablam! --> src/parser.rs:23:5 Oct 12 13:53:37.149 INFO kablam! | Oct 12 13:53:37.149 INFO kablam! 23 | fn next_token(mut self) { Oct 12 13:53:37.149 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.149 INFO kablam! Oct 12 13:53:37.149 INFO kablam! warning: method is never used: `parse_program` Oct 12 13:53:37.149 INFO kablam! --> src/parser.rs:28:5 Oct 12 13:53:37.149 INFO kablam! | Oct 12 13:53:37.149 INFO kablam! 28 | fn parse_program(&self) -> Program { Oct 12 13:53:37.149 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.149 INFO kablam! Oct 12 13:53:37.149 INFO kablam! warning: method is never used: `literal` Oct 12 13:53:37.149 INFO kablam! --> src/token.rs:60:5 Oct 12 13:53:37.149 INFO kablam! | Oct 12 13:53:37.150 INFO kablam! 60 | pub fn literal(&self) -> String { Oct 12 13:53:37.150 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.150 INFO kablam! Oct 12 13:53:37.154 INFO kablam! warning: unused variable: `e` Oct 12 13:53:37.154 INFO kablam! --> src/parser.rs:65:40 Oct 12 13:53:37.154 INFO kablam! | Oct 12 13:53:37.154 INFO kablam! 65 | Statement::LetStatement(i, e) => { Oct 12 13:53:37.154 INFO kablam! | ^ help: consider using `_e` instead Oct 12 13:53:37.154 INFO kablam! | Oct 12 13:53:37.154 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 12 13:53:37.154 INFO kablam! Oct 12 13:53:37.161 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.161 INFO kablam! --> src/repl.rs:10:5 Oct 12 13:53:37.161 INFO kablam! | Oct 12 13:53:37.161 INFO kablam! 10 | output.write(PROMPT.as_bytes()); Oct 12 13:53:37.161 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.161 INFO kablam! | Oct 12 13:53:37.161 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 12 13:53:37.161 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.161 INFO kablam! Oct 12 13:53:37.161 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.162 INFO kablam! --> src/repl.rs:11:5 Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! 11 | output.flush(); Oct 12 13:53:37.162 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.162 INFO kablam! Oct 12 13:53:37.162 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.162 INFO kablam! --> src/repl.rs:20:13 Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! 20 | output.write(token.display().as_bytes()); Oct 12 13:53:37.162 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.162 INFO kablam! Oct 12 13:53:37.162 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.162 INFO kablam! --> src/repl.rs:21:13 Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! 21 | output.write("\n".as_bytes()); Oct 12 13:53:37.162 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.162 INFO kablam! Oct 12 13:53:37.162 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.162 INFO kablam! --> src/repl.rs:22:13 Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! 22 | output.flush(); Oct 12 13:53:37.162 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.162 INFO kablam! Oct 12 13:53:37.162 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.162 INFO kablam! --> src/repl.rs:24:9 Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! 24 | output.write(PROMPT.as_bytes()); Oct 12 13:53:37.162 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.162 INFO kablam! Oct 12 13:53:37.162 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.162 INFO kablam! --> src/repl.rs:25:9 Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! 25 | output.flush(); Oct 12 13:53:37.162 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 12 13:53:37.162 INFO kablam! | Oct 12 13:53:37.162 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.162 INFO kablam! Oct 12 13:53:37.191 INFO kablam! warning: variant is never constructed: `LetStatement` Oct 12 13:53:37.191 INFO kablam! --> src/ast.rs:9:5 Oct 12 13:53:37.191 INFO kablam! | Oct 12 13:53:37.191 INFO kablam! 9 | LetStatement(Identifier, Expression), Oct 12 13:53:37.191 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.191 INFO kablam! | Oct 12 13:53:37.191 INFO kablam! = note: #[warn(dead_code)] on by default Oct 12 13:53:37.191 INFO kablam! Oct 12 13:53:37.191 INFO kablam! warning: variant is never constructed: `ExpressionStatement` Oct 12 13:53:37.191 INFO kablam! --> src/ast.rs:10:5 Oct 12 13:53:37.191 INFO kablam! | Oct 12 13:53:37.191 INFO kablam! 10 | ExpressionStatement(Expression), Oct 12 13:53:37.191 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.191 INFO kablam! Oct 12 13:53:37.191 INFO kablam! warning: field is never used: `lexer` Oct 12 13:53:37.191 INFO kablam! --> src/parser.rs:7:5 Oct 12 13:53:37.191 INFO kablam! | Oct 12 13:53:37.191 INFO kablam! 7 | lexer: Lexer, Oct 12 13:53:37.191 INFO kablam! | ^^^^^^^^^^^^ Oct 12 13:53:37.191 INFO kablam! Oct 12 13:53:37.192 INFO kablam! warning: field is never used: `cur_token` Oct 12 13:53:37.192 INFO kablam! --> src/parser.rs:8:5 Oct 12 13:53:37.192 INFO kablam! | Oct 12 13:53:37.192 INFO kablam! 8 | cur_token: Token, Oct 12 13:53:37.192 INFO kablam! | ^^^^^^^^^^^^^^^^ Oct 12 13:53:37.192 INFO kablam! Oct 12 13:53:37.192 INFO kablam! warning: field is never used: `peek_token` Oct 12 13:53:37.192 INFO kablam! --> src/parser.rs:9:5 Oct 12 13:53:37.192 INFO kablam! | Oct 12 13:53:37.192 INFO kablam! 9 | peek_token: Token, Oct 12 13:53:37.192 INFO kablam! | ^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.192 INFO kablam! Oct 12 13:53:37.192 INFO kablam! warning: method is never used: `next_token` Oct 12 13:53:37.192 INFO kablam! --> src/parser.rs:23:5 Oct 12 13:53:37.192 INFO kablam! | Oct 12 13:53:37.192 INFO kablam! 23 | fn next_token(mut self) { Oct 12 13:53:37.192 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.192 INFO kablam! Oct 12 13:53:37.206 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.206 INFO kablam! --> src/repl.rs:10:5 Oct 12 13:53:37.206 INFO kablam! | Oct 12 13:53:37.206 INFO kablam! 10 | output.write(PROMPT.as_bytes()); Oct 12 13:53:37.207 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 12 13:53:37.207 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.207 INFO kablam! Oct 12 13:53:37.207 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.207 INFO kablam! --> src/repl.rs:11:5 Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! 11 | output.flush(); Oct 12 13:53:37.207 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.207 INFO kablam! Oct 12 13:53:37.207 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.207 INFO kablam! --> src/repl.rs:20:13 Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! 20 | output.write(token.display().as_bytes()); Oct 12 13:53:37.207 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.207 INFO kablam! Oct 12 13:53:37.207 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.207 INFO kablam! --> src/repl.rs:21:13 Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! 21 | output.write("\n".as_bytes()); Oct 12 13:53:37.207 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.207 INFO kablam! Oct 12 13:53:37.207 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.207 INFO kablam! --> src/repl.rs:22:13 Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! 22 | output.flush(); Oct 12 13:53:37.207 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.207 INFO kablam! Oct 12 13:53:37.207 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.207 INFO kablam! --> src/repl.rs:24:9 Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! 24 | output.write(PROMPT.as_bytes()); Oct 12 13:53:37.207 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.207 INFO kablam! Oct 12 13:53:37.207 INFO kablam! warning: unused `std::result::Result` which must be used Oct 12 13:53:37.207 INFO kablam! --> src/repl.rs:25:9 Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! 25 | output.flush(); Oct 12 13:53:37.207 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 12 13:53:37.207 INFO kablam! | Oct 12 13:53:37.207 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 12 13:53:37.207 INFO kablam! Oct 12 13:53:37.248 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.52s Oct 12 13:53:37.248 INFO kablam! su: No module specific data is present Oct 12 13:53:37.522 INFO running `"docker" "rm" "-f" "8ab835407b38b4664af225b6a38ce255b44dcd8db0e371d6334b357c4816d3bb"` Oct 12 13:53:37.651 INFO blam! 8ab835407b38b4664af225b6a38ce255b44dcd8db0e371d6334b357c4816d3bb