Oct 31 21:16:11.523 INFO checking shhr1214/monkey-rust against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538 Oct 31 21:16:11.523 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 31 21:16:11.982 INFO blam! 1ac1f428b164f0719eadb6efcf02d2b177e3ec75b16f5f06ab8526a7602799f3 Oct 31 21:16:11.983 INFO running `"docker" "start" "-a" "1ac1f428b164f0719eadb6efcf02d2b177e3ec75b16f5f06ab8526a7602799f3"` Oct 31 21:16:13.180 INFO kablam! usermod: no changes Oct 31 21:16:13.248 INFO kablam! Checking monkey-rust v0.1.0 (/source) Oct 31 21:16:13.596 INFO kablam! warning: unused import: `token::Token` Oct 31 21:16:13.596 INFO kablam! --> src/ast.rs:2:5 Oct 31 21:16:13.596 INFO kablam! | Oct 31 21:16:13.596 INFO kablam! 2 | use token::Token; Oct 31 21:16:13.596 INFO kablam! | ^^^^^^^^^^^^ Oct 31 21:16:13.596 INFO kablam! | Oct 31 21:16:13.596 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 31 21:16:13.596 INFO kablam! Oct 31 21:16:13.596 INFO kablam! warning: unused imports: `Node`, `Statement` Oct 31 21:16:13.596 INFO kablam! --> src/parser.rs:1:11 Oct 31 21:16:13.596 INFO kablam! | Oct 31 21:16:13.596 INFO kablam! 1 | use ast::{Node, Program, Statement}; Oct 31 21:16:13.596 INFO kablam! | ^^^^ ^^^^^^^^^ Oct 31 21:16:13.596 INFO kablam! Oct 31 21:16:13.596 INFO kablam! warning: unused import: `token` Oct 31 21:16:13.596 INFO kablam! --> src/parser.rs:3:5 Oct 31 21:16:13.596 INFO kablam! | Oct 31 21:16:13.596 INFO kablam! 3 | use token; Oct 31 21:16:13.596 INFO kablam! | ^^^^^ Oct 31 21:16:13.596 INFO kablam! Oct 31 21:16:13.596 INFO kablam! warning: unused import: `Result` Oct 31 21:16:13.596 INFO kablam! --> src/repl.rs:1:41 Oct 31 21:16:13.596 INFO kablam! | Oct 31 21:16:13.596 INFO kablam! 1 | use std::io::{BufRead, BufReader, Read, Result, Write}; Oct 31 21:16:13.596 INFO kablam! | ^^^^^^ Oct 31 21:16:13.596 INFO kablam! Oct 31 21:16:13.696 INFO kablam! warning: unused import: `token::Token` Oct 31 21:16:13.696 INFO kablam! --> src/ast.rs:2:5 Oct 31 21:16:13.696 INFO kablam! | Oct 31 21:16:13.696 INFO kablam! 2 | use token::Token; Oct 31 21:16:13.696 INFO kablam! | ^^^^^^^^^^^^ Oct 31 21:16:13.696 INFO kablam! | Oct 31 21:16:13.696 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 31 21:16:13.696 INFO kablam! Oct 31 21:16:13.696 INFO kablam! warning: unused import: `Node` Oct 31 21:16:13.696 INFO kablam! --> src/parser.rs:1:11 Oct 31 21:16:13.696 INFO kablam! | Oct 31 21:16:13.696 INFO kablam! 1 | use ast::{Node, Program, Statement}; Oct 31 21:16:13.696 INFO kablam! | ^^^^ Oct 31 21:16:13.696 INFO kablam! Oct 31 21:16:13.696 INFO kablam! warning: unused import: `Result` Oct 31 21:16:13.696 INFO kablam! --> src/repl.rs:1:41 Oct 31 21:16:13.696 INFO kablam! | Oct 31 21:16:13.696 INFO kablam! 1 | use std::io::{BufRead, BufReader, Read, Result, Write}; Oct 31 21:16:13.696 INFO kablam! | ^^^^^^ Oct 31 21:16:13.696 INFO kablam! Oct 31 21:16:13.782 INFO kablam! warning: enum is never used: `Statement` Oct 31 21:16:13.782 INFO kablam! --> src/ast.rs:8:1 Oct 31 21:16:13.783 INFO kablam! | Oct 31 21:16:13.783 INFO kablam! 8 | pub enum Statement { Oct 31 21:16:13.783 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.783 INFO kablam! | Oct 31 21:16:13.784 INFO kablam! = note: #[warn(dead_code)] on by default Oct 31 21:16:13.784 INFO kablam! Oct 31 21:16:13.784 INFO kablam! warning: struct is never constructed: `Expression` Oct 31 21:16:13.785 INFO kablam! --> src/ast.rs:22:1 Oct 31 21:16:13.785 INFO kablam! | Oct 31 21:16:13.785 INFO kablam! 22 | pub struct Expression {} Oct 31 21:16:13.785 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.786 INFO kablam! Oct 31 21:16:13.786 INFO kablam! warning: struct is never constructed: `Program` Oct 31 21:16:13.786 INFO kablam! --> src/ast.rs:24:1 Oct 31 21:16:13.787 INFO kablam! | Oct 31 21:16:13.787 INFO kablam! 24 | pub struct Program { Oct 31 21:16:13.787 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.787 INFO kablam! Oct 31 21:16:13.788 INFO kablam! warning: method is never used: `new` Oct 31 21:16:13.788 INFO kablam! --> src/ast.rs:29:5 Oct 31 21:16:13.788 INFO kablam! | Oct 31 21:16:13.789 INFO kablam! 29 | pub fn new() -> Program { Oct 31 21:16:13.789 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.789 INFO kablam! Oct 31 21:16:13.789 INFO kablam! warning: method is never used: `statements` Oct 31 21:16:13.790 INFO kablam! --> src/ast.rs:35:5 Oct 31 21:16:13.790 INFO kablam! | Oct 31 21:16:13.790 INFO kablam! 35 | pub fn statements(self) -> Vec { Oct 31 21:16:13.790 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.791 INFO kablam! Oct 31 21:16:13.791 INFO kablam! warning: struct is never constructed: `Identifier` Oct 31 21:16:13.791 INFO kablam! --> src/ast.rs:53:1 Oct 31 21:16:13.791 INFO kablam! | Oct 31 21:16:13.791 INFO kablam! 53 | pub struct Identifier(pub String); Oct 31 21:16:13.792 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.792 INFO kablam! Oct 31 21:16:13.792 INFO kablam! warning: struct is never constructed: `Parser` Oct 31 21:16:13.793 INFO kablam! --> src/parser.rs:6:1 Oct 31 21:16:13.793 INFO kablam! | Oct 31 21:16:13.793 INFO kablam! 6 | struct Parser { Oct 31 21:16:13.793 INFO kablam! | ^^^^^^^^^^^^^ Oct 31 21:16:13.794 INFO kablam! Oct 31 21:16:13.794 INFO kablam! warning: method is never used: `new` Oct 31 21:16:13.794 INFO kablam! --> src/parser.rs:13:5 Oct 31 21:16:13.795 INFO kablam! | Oct 31 21:16:13.795 INFO kablam! 13 | pub fn new(mut lexer: Lexer) -> Parser { Oct 31 21:16:13.795 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.795 INFO kablam! Oct 31 21:16:13.796 INFO kablam! warning: method is never used: `next_token` Oct 31 21:16:13.796 INFO kablam! --> src/parser.rs:23:5 Oct 31 21:16:13.796 INFO kablam! | Oct 31 21:16:13.797 INFO kablam! 23 | fn next_token(mut self) { Oct 31 21:16:13.797 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.800 INFO kablam! Oct 31 21:16:13.800 INFO kablam! warning: method is never used: `parse_program` Oct 31 21:16:13.800 INFO kablam! --> src/parser.rs:28:5 Oct 31 21:16:13.801 INFO kablam! | Oct 31 21:16:13.801 INFO kablam! 28 | fn parse_program(&self) -> Program { Oct 31 21:16:13.801 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.802 INFO kablam! Oct 31 21:16:13.802 INFO kablam! warning: method is never used: `literal` Oct 31 21:16:13.802 INFO kablam! --> src/token.rs:60:5 Oct 31 21:16:13.802 INFO kablam! | Oct 31 21:16:13.803 INFO kablam! 60 | pub fn literal(&self) -> String { Oct 31 21:16:13.803 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.803 INFO kablam! Oct 31 21:16:13.803 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.804 INFO kablam! --> src/repl.rs:10:5 Oct 31 21:16:13.804 INFO kablam! | Oct 31 21:16:13.804 INFO kablam! 10 | output.write(PROMPT.as_bytes()); Oct 31 21:16:13.804 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.805 INFO kablam! | Oct 31 21:16:13.805 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 31 21:16:13.805 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.805 INFO kablam! Oct 31 21:16:13.806 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.806 INFO kablam! --> src/repl.rs:11:5 Oct 31 21:16:13.806 INFO kablam! | Oct 31 21:16:13.806 INFO kablam! 11 | output.flush(); Oct 31 21:16:13.807 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 31 21:16:13.807 INFO kablam! | Oct 31 21:16:13.807 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.807 INFO kablam! Oct 31 21:16:13.808 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.808 INFO kablam! --> src/repl.rs:20:13 Oct 31 21:16:13.808 INFO kablam! | Oct 31 21:16:13.808 INFO kablam! 20 | output.write(token.display().as_bytes()); Oct 31 21:16:13.809 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.809 INFO kablam! | Oct 31 21:16:13.809 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.809 INFO kablam! Oct 31 21:16:13.810 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.810 INFO kablam! --> src/repl.rs:21:13 Oct 31 21:16:13.810 INFO kablam! | Oct 31 21:16:13.810 INFO kablam! 21 | output.write("\n".as_bytes()); Oct 31 21:16:13.811 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.811 INFO kablam! | Oct 31 21:16:13.811 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.811 INFO kablam! Oct 31 21:16:13.812 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.816 INFO kablam! --> src/repl.rs:22:13 Oct 31 21:16:13.816 INFO kablam! | Oct 31 21:16:13.817 INFO kablam! 22 | output.flush(); Oct 31 21:16:13.817 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 31 21:16:13.817 INFO kablam! | Oct 31 21:16:13.818 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.818 INFO kablam! Oct 31 21:16:13.818 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.818 INFO kablam! --> src/repl.rs:24:9 Oct 31 21:16:13.819 INFO kablam! | Oct 31 21:16:13.819 INFO kablam! 24 | output.write(PROMPT.as_bytes()); Oct 31 21:16:13.819 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.820 INFO kablam! | Oct 31 21:16:13.820 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.820 INFO kablam! Oct 31 21:16:13.820 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.821 INFO kablam! --> src/repl.rs:25:9 Oct 31 21:16:13.821 INFO kablam! | Oct 31 21:16:13.821 INFO kablam! 25 | output.flush(); Oct 31 21:16:13.822 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 31 21:16:13.822 INFO kablam! | Oct 31 21:16:13.822 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.822 INFO kablam! Oct 31 21:16:13.823 INFO kablam! warning: unused variable: `e` Oct 31 21:16:13.823 INFO kablam! --> src/parser.rs:65:40 Oct 31 21:16:13.823 INFO kablam! | Oct 31 21:16:13.824 INFO kablam! 65 | Statement::LetStatement(i, e) => { Oct 31 21:16:13.824 INFO kablam! | ^ help: consider using `_e` instead Oct 31 21:16:13.824 INFO kablam! | Oct 31 21:16:13.824 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 31 21:16:13.825 INFO kablam! Oct 31 21:16:13.852 INFO kablam! warning: variant is never constructed: `LetStatement` Oct 31 21:16:13.853 INFO kablam! --> src/ast.rs:9:5 Oct 31 21:16:13.853 INFO kablam! | Oct 31 21:16:13.853 INFO kablam! 9 | LetStatement(Identifier, Expression), Oct 31 21:16:13.853 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.854 INFO kablam! | Oct 31 21:16:13.854 INFO kablam! = note: #[warn(dead_code)] on by default Oct 31 21:16:13.854 INFO kablam! Oct 31 21:16:13.854 INFO kablam! warning: variant is never constructed: `ExpressionStatement` Oct 31 21:16:13.855 INFO kablam! --> src/ast.rs:10:5 Oct 31 21:16:13.855 INFO kablam! | Oct 31 21:16:13.855 INFO kablam! 10 | ExpressionStatement(Expression), Oct 31 21:16:13.856 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.856 INFO kablam! Oct 31 21:16:13.856 INFO kablam! warning: field is never used: `lexer` Oct 31 21:16:13.857 INFO kablam! --> src/parser.rs:7:5 Oct 31 21:16:13.857 INFO kablam! | Oct 31 21:16:13.857 INFO kablam! 7 | lexer: Lexer, Oct 31 21:16:13.857 INFO kablam! | ^^^^^^^^^^^^ Oct 31 21:16:13.858 INFO kablam! Oct 31 21:16:13.858 INFO kablam! warning: field is never used: `cur_token` Oct 31 21:16:13.858 INFO kablam! --> src/parser.rs:8:5 Oct 31 21:16:13.858 INFO kablam! | Oct 31 21:16:13.859 INFO kablam! 8 | cur_token: Token, Oct 31 21:16:13.859 INFO kablam! | ^^^^^^^^^^^^^^^^ Oct 31 21:16:13.859 INFO kablam! Oct 31 21:16:13.859 INFO kablam! warning: field is never used: `peek_token` Oct 31 21:16:13.860 INFO kablam! --> src/parser.rs:9:5 Oct 31 21:16:13.860 INFO kablam! | Oct 31 21:16:13.860 INFO kablam! 9 | peek_token: Token, Oct 31 21:16:13.861 INFO kablam! | ^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.861 INFO kablam! Oct 31 21:16:13.861 INFO kablam! warning: method is never used: `next_token` Oct 31 21:16:13.861 INFO kablam! --> src/parser.rs:23:5 Oct 31 21:16:13.862 INFO kablam! | Oct 31 21:16:13.862 INFO kablam! 23 | fn next_token(mut self) { Oct 31 21:16:13.862 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.863 INFO kablam! Oct 31 21:16:13.863 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.863 INFO kablam! --> src/repl.rs:10:5 Oct 31 21:16:13.864 INFO kablam! | Oct 31 21:16:13.864 INFO kablam! 10 | output.write(PROMPT.as_bytes()); Oct 31 21:16:13.864 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.864 INFO kablam! | Oct 31 21:16:13.865 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 31 21:16:13.865 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.865 INFO kablam! Oct 31 21:16:13.865 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.866 INFO kablam! --> src/repl.rs:11:5 Oct 31 21:16:13.866 INFO kablam! | Oct 31 21:16:13.866 INFO kablam! 11 | output.flush(); Oct 31 21:16:13.867 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 31 21:16:13.867 INFO kablam! | Oct 31 21:16:13.867 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.868 INFO kablam! Oct 31 21:16:13.868 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.868 INFO kablam! --> src/repl.rs:20:13 Oct 31 21:16:13.868 INFO kablam! | Oct 31 21:16:13.869 INFO kablam! 20 | output.write(token.display().as_bytes()); Oct 31 21:16:13.869 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.869 INFO kablam! | Oct 31 21:16:13.869 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.870 INFO kablam! Oct 31 21:16:13.870 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.870 INFO kablam! --> src/repl.rs:21:13 Oct 31 21:16:13.870 INFO kablam! | Oct 31 21:16:13.871 INFO kablam! 21 | output.write("\n".as_bytes()); Oct 31 21:16:13.871 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.871 INFO kablam! | Oct 31 21:16:13.872 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.872 INFO kablam! Oct 31 21:16:13.876 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.877 INFO kablam! --> src/repl.rs:22:13 Oct 31 21:16:13.877 INFO kablam! | Oct 31 21:16:13.877 INFO kablam! 22 | output.flush(); Oct 31 21:16:13.877 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 31 21:16:13.878 INFO kablam! | Oct 31 21:16:13.878 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.878 INFO kablam! Oct 31 21:16:13.879 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.879 INFO kablam! --> src/repl.rs:24:9 Oct 31 21:16:13.879 INFO kablam! | Oct 31 21:16:13.880 INFO kablam! 24 | output.write(PROMPT.as_bytes()); Oct 31 21:16:13.880 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 31 21:16:13.880 INFO kablam! | Oct 31 21:16:13.880 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.881 INFO kablam! Oct 31 21:16:13.881 INFO kablam! warning: unused `std::result::Result` that must be used Oct 31 21:16:13.881 INFO kablam! --> src/repl.rs:25:9 Oct 31 21:16:13.881 INFO kablam! | Oct 31 21:16:13.882 INFO kablam! 25 | output.flush(); Oct 31 21:16:13.882 INFO kablam! | ^^^^^^^^^^^^^^^ Oct 31 21:16:13.882 INFO kablam! | Oct 31 21:16:13.883 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Oct 31 21:16:13.883 INFO kablam! Oct 31 21:16:13.898 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.68s Oct 31 21:16:13.904 INFO kablam! su: No module specific data is present Oct 31 21:16:14.608 INFO running `"docker" "rm" "-f" "1ac1f428b164f0719eadb6efcf02d2b177e3ec75b16f5f06ab8526a7602799f3"` Oct 31 21:16:14.888 INFO blam! 1ac1f428b164f0719eadb6efcf02d2b177e3ec75b16f5f06ab8526a7602799f3