Nov 02 06:43:19.153 INFO checking shhr1214/monkey-rust against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517 Nov 02 06:43:19.154 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"` Nov 02 06:43:19.511 INFO blam! 273924e70acded7628c08da00e75fb4461b6b51364a898479a7ff509695cb97e Nov 02 06:43:19.512 INFO running `"docker" "start" "-a" "273924e70acded7628c08da00e75fb4461b6b51364a898479a7ff509695cb97e"` Nov 02 06:43:20.756 INFO kablam! usermod: no changes Nov 02 06:43:20.816 INFO kablam! Checking monkey-rust v0.1.0 (/source) Nov 02 06:43:21.200 INFO kablam! warning: unused import: `token::Token` Nov 02 06:43:21.200 INFO kablam! --> src/ast.rs:2:5 Nov 02 06:43:21.200 INFO kablam! | Nov 02 06:43:21.200 INFO kablam! 2 | use token::Token; Nov 02 06:43:21.200 INFO kablam! | ^^^^^^^^^^^^ Nov 02 06:43:21.200 INFO kablam! | Nov 02 06:43:21.200 INFO kablam! = note: #[warn(unused_imports)] on by default Nov 02 06:43:21.200 INFO kablam! Nov 02 06:43:21.200 INFO kablam! warning: unused imports: `Node`, `Statement` Nov 02 06:43:21.200 INFO kablam! --> src/parser.rs:1:11 Nov 02 06:43:21.200 INFO kablam! | Nov 02 06:43:21.200 INFO kablam! 1 | use ast::{Node, Program, Statement}; Nov 02 06:43:21.200 INFO kablam! | ^^^^ ^^^^^^^^^ Nov 02 06:43:21.200 INFO kablam! Nov 02 06:43:21.200 INFO kablam! warning: unused import: `token` Nov 02 06:43:21.200 INFO kablam! --> src/parser.rs:3:5 Nov 02 06:43:21.200 INFO kablam! | Nov 02 06:43:21.201 INFO kablam! 3 | use token; Nov 02 06:43:21.201 INFO kablam! | ^^^^^ Nov 02 06:43:21.201 INFO kablam! Nov 02 06:43:21.201 INFO kablam! warning: unused import: `Result` Nov 02 06:43:21.201 INFO kablam! --> src/repl.rs:1:41 Nov 02 06:43:21.201 INFO kablam! | Nov 02 06:43:21.201 INFO kablam! 1 | use std::io::{BufRead, BufReader, Read, Result, Write}; Nov 02 06:43:21.201 INFO kablam! | ^^^^^^ Nov 02 06:43:21.201 INFO kablam! Nov 02 06:43:21.208 INFO kablam! warning: unused import: `token::Token` Nov 02 06:43:21.208 INFO kablam! --> src/ast.rs:2:5 Nov 02 06:43:21.208 INFO kablam! | Nov 02 06:43:21.208 INFO kablam! 2 | use token::Token; Nov 02 06:43:21.208 INFO kablam! | ^^^^^^^^^^^^ Nov 02 06:43:21.208 INFO kablam! | Nov 02 06:43:21.208 INFO kablam! = note: #[warn(unused_imports)] on by default Nov 02 06:43:21.208 INFO kablam! Nov 02 06:43:21.208 INFO kablam! warning: unused import: `Node` Nov 02 06:43:21.208 INFO kablam! --> src/parser.rs:1:11 Nov 02 06:43:21.208 INFO kablam! | Nov 02 06:43:21.208 INFO kablam! 1 | use ast::{Node, Program, Statement}; Nov 02 06:43:21.208 INFO kablam! | ^^^^ Nov 02 06:43:21.208 INFO kablam! Nov 02 06:43:21.220 INFO kablam! warning: unused import: `Result` Nov 02 06:43:21.220 INFO kablam! --> src/repl.rs:1:41 Nov 02 06:43:21.220 INFO kablam! | Nov 02 06:43:21.220 INFO kablam! 1 | use std::io::{BufRead, BufReader, Read, Result, Write}; Nov 02 06:43:21.220 INFO kablam! | ^^^^^^ Nov 02 06:43:21.220 INFO kablam! Nov 02 06:43:21.340 INFO kablam! warning: enum is never used: `Statement` Nov 02 06:43:21.340 INFO kablam! --> src/ast.rs:8:1 Nov 02 06:43:21.341 INFO kablam! | Nov 02 06:43:21.341 INFO kablam! 8 | pub enum Statement { Nov 02 06:43:21.341 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.341 INFO kablam! | Nov 02 06:43:21.341 INFO kablam! = note: #[warn(dead_code)] on by default Nov 02 06:43:21.341 INFO kablam! Nov 02 06:43:21.341 INFO kablam! warning: struct is never constructed: `Expression` Nov 02 06:43:21.341 INFO kablam! --> src/ast.rs:22:1 Nov 02 06:43:21.341 INFO kablam! | Nov 02 06:43:21.341 INFO kablam! 22 | pub struct Expression {} Nov 02 06:43:21.341 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.341 INFO kablam! Nov 02 06:43:21.341 INFO kablam! warning: struct is never constructed: `Program` Nov 02 06:43:21.341 INFO kablam! --> src/ast.rs:24:1 Nov 02 06:43:21.341 INFO kablam! | Nov 02 06:43:21.341 INFO kablam! 24 | pub struct Program { Nov 02 06:43:21.341 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.341 INFO kablam! Nov 02 06:43:21.341 INFO kablam! warning: method is never used: `new` Nov 02 06:43:21.341 INFO kablam! --> src/ast.rs:29:5 Nov 02 06:43:21.342 INFO kablam! | Nov 02 06:43:21.342 INFO kablam! 29 | pub fn new() -> Program { Nov 02 06:43:21.342 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.342 INFO kablam! Nov 02 06:43:21.342 INFO kablam! warning: method is never used: `statements` Nov 02 06:43:21.342 INFO kablam! --> src/ast.rs:35:5 Nov 02 06:43:21.342 INFO kablam! | Nov 02 06:43:21.342 INFO kablam! 35 | pub fn statements(self) -> Vec { Nov 02 06:43:21.342 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.342 INFO kablam! Nov 02 06:43:21.342 INFO kablam! warning: struct is never constructed: `Identifier` Nov 02 06:43:21.342 INFO kablam! --> src/ast.rs:53:1 Nov 02 06:43:21.342 INFO kablam! | Nov 02 06:43:21.342 INFO kablam! 53 | pub struct Identifier(pub String); Nov 02 06:43:21.342 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.342 INFO kablam! Nov 02 06:43:21.342 INFO kablam! warning: struct is never constructed: `Parser` Nov 02 06:43:21.342 INFO kablam! --> src/parser.rs:6:1 Nov 02 06:43:21.342 INFO kablam! | Nov 02 06:43:21.342 INFO kablam! 6 | struct Parser { Nov 02 06:43:21.343 INFO kablam! | ^^^^^^^^^^^^^ Nov 02 06:43:21.343 INFO kablam! Nov 02 06:43:21.343 INFO kablam! warning: method is never used: `new` Nov 02 06:43:21.343 INFO kablam! --> src/parser.rs:13:5 Nov 02 06:43:21.343 INFO kablam! | Nov 02 06:43:21.343 INFO kablam! 13 | pub fn new(mut lexer: Lexer) -> Parser { Nov 02 06:43:21.343 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.343 INFO kablam! Nov 02 06:43:21.343 INFO kablam! warning: method is never used: `next_token` Nov 02 06:43:21.343 INFO kablam! --> src/parser.rs:23:5 Nov 02 06:43:21.343 INFO kablam! | Nov 02 06:43:21.343 INFO kablam! 23 | fn next_token(mut self) { Nov 02 06:43:21.343 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.343 INFO kablam! Nov 02 06:43:21.343 INFO kablam! warning: method is never used: `parse_program` Nov 02 06:43:21.343 INFO kablam! --> src/parser.rs:28:5 Nov 02 06:43:21.343 INFO kablam! | Nov 02 06:43:21.343 INFO kablam! 28 | fn parse_program(&self) -> Program { Nov 02 06:43:21.343 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.343 INFO kablam! Nov 02 06:43:21.343 INFO kablam! warning: method is never used: `literal` Nov 02 06:43:21.344 INFO kablam! --> src/token.rs:60:5 Nov 02 06:43:21.344 INFO kablam! | Nov 02 06:43:21.344 INFO kablam! 60 | pub fn literal(&self) -> String { Nov 02 06:43:21.344 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.344 INFO kablam! Nov 02 06:43:21.348 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.348 INFO kablam! --> src/repl.rs:10:5 Nov 02 06:43:21.349 INFO kablam! | Nov 02 06:43:21.349 INFO kablam! 10 | output.write(PROMPT.as_bytes()); Nov 02 06:43:21.349 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.349 INFO kablam! | Nov 02 06:43:21.349 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 02 06:43:21.349 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.349 INFO kablam! Nov 02 06:43:21.349 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.349 INFO kablam! --> src/repl.rs:11:5 Nov 02 06:43:21.349 INFO kablam! | Nov 02 06:43:21.349 INFO kablam! 11 | output.flush(); Nov 02 06:43:21.349 INFO kablam! | ^^^^^^^^^^^^^^^ Nov 02 06:43:21.349 INFO kablam! | Nov 02 06:43:21.349 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.349 INFO kablam! Nov 02 06:43:21.349 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.349 INFO kablam! --> src/repl.rs:20:13 Nov 02 06:43:21.349 INFO kablam! | Nov 02 06:43:21.349 INFO kablam! 20 | output.write(token.display().as_bytes()); Nov 02 06:43:21.349 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.349 INFO kablam! | Nov 02 06:43:21.349 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.350 INFO kablam! Nov 02 06:43:21.350 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.350 INFO kablam! --> src/repl.rs:21:13 Nov 02 06:43:21.350 INFO kablam! | Nov 02 06:43:21.350 INFO kablam! 21 | output.write("\n".as_bytes()); Nov 02 06:43:21.350 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.350 INFO kablam! | Nov 02 06:43:21.350 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.350 INFO kablam! Nov 02 06:43:21.350 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.350 INFO kablam! --> src/repl.rs:22:13 Nov 02 06:43:21.350 INFO kablam! | Nov 02 06:43:21.350 INFO kablam! 22 | output.flush(); Nov 02 06:43:21.350 INFO kablam! | ^^^^^^^^^^^^^^^ Nov 02 06:43:21.350 INFO kablam! | Nov 02 06:43:21.350 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.350 INFO kablam! Nov 02 06:43:21.350 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.350 INFO kablam! --> src/repl.rs:24:9 Nov 02 06:43:21.350 INFO kablam! | Nov 02 06:43:21.350 INFO kablam! 24 | output.write(PROMPT.as_bytes()); Nov 02 06:43:21.351 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.351 INFO kablam! | Nov 02 06:43:21.351 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.351 INFO kablam! Nov 02 06:43:21.351 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.351 INFO kablam! --> src/repl.rs:25:9 Nov 02 06:43:21.351 INFO kablam! | Nov 02 06:43:21.351 INFO kablam! 25 | output.flush(); Nov 02 06:43:21.351 INFO kablam! | ^^^^^^^^^^^^^^^ Nov 02 06:43:21.351 INFO kablam! | Nov 02 06:43:21.351 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.351 INFO kablam! Nov 02 06:43:21.392 INFO kablam! warning: unused variable: `e` Nov 02 06:43:21.392 INFO kablam! --> src/parser.rs:65:40 Nov 02 06:43:21.392 INFO kablam! | Nov 02 06:43:21.392 INFO kablam! 65 | Statement::LetStatement(i, e) => { Nov 02 06:43:21.392 INFO kablam! | ^ help: consider using `_e` instead Nov 02 06:43:21.393 INFO kablam! | Nov 02 06:43:21.393 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 02 06:43:21.393 INFO kablam! Nov 02 06:43:21.488 INFO kablam! warning: variant is never constructed: `LetStatement` Nov 02 06:43:21.488 INFO kablam! --> src/ast.rs:9:5 Nov 02 06:43:21.488 INFO kablam! | Nov 02 06:43:21.488 INFO kablam! 9 | LetStatement(Identifier, Expression), Nov 02 06:43:21.488 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.488 INFO kablam! | Nov 02 06:43:21.488 INFO kablam! = note: #[warn(dead_code)] on by default Nov 02 06:43:21.488 INFO kablam! Nov 02 06:43:21.488 INFO kablam! warning: variant is never constructed: `ExpressionStatement` Nov 02 06:43:21.489 INFO kablam! --> src/ast.rs:10:5 Nov 02 06:43:21.489 INFO kablam! | Nov 02 06:43:21.489 INFO kablam! 10 | ExpressionStatement(Expression), Nov 02 06:43:21.489 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.489 INFO kablam! Nov 02 06:43:21.489 INFO kablam! warning: field is never used: `lexer` Nov 02 06:43:21.489 INFO kablam! --> src/parser.rs:7:5 Nov 02 06:43:21.489 INFO kablam! | Nov 02 06:43:21.489 INFO kablam! 7 | lexer: Lexer, Nov 02 06:43:21.489 INFO kablam! | ^^^^^^^^^^^^ Nov 02 06:43:21.489 INFO kablam! Nov 02 06:43:21.489 INFO kablam! warning: field is never used: `cur_token` Nov 02 06:43:21.489 INFO kablam! --> src/parser.rs:8:5 Nov 02 06:43:21.489 INFO kablam! | Nov 02 06:43:21.489 INFO kablam! 8 | cur_token: Token, Nov 02 06:43:21.489 INFO kablam! | ^^^^^^^^^^^^^^^^ Nov 02 06:43:21.489 INFO kablam! Nov 02 06:43:21.489 INFO kablam! warning: field is never used: `peek_token` Nov 02 06:43:21.489 INFO kablam! --> src/parser.rs:9:5 Nov 02 06:43:21.489 INFO kablam! | Nov 02 06:43:21.489 INFO kablam! 9 | peek_token: Token, Nov 02 06:43:21.490 INFO kablam! | ^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.490 INFO kablam! Nov 02 06:43:21.490 INFO kablam! warning: method is never used: `next_token` Nov 02 06:43:21.490 INFO kablam! --> src/parser.rs:23:5 Nov 02 06:43:21.490 INFO kablam! | Nov 02 06:43:21.490 INFO kablam! 23 | fn next_token(mut self) { Nov 02 06:43:21.490 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.490 INFO kablam! Nov 02 06:43:21.500 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.500 INFO kablam! --> src/repl.rs:10:5 Nov 02 06:43:21.500 INFO kablam! | Nov 02 06:43:21.500 INFO kablam! 10 | output.write(PROMPT.as_bytes()); Nov 02 06:43:21.500 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.500 INFO kablam! | Nov 02 06:43:21.500 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 02 06:43:21.500 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.500 INFO kablam! Nov 02 06:43:21.501 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.501 INFO kablam! --> src/repl.rs:11:5 Nov 02 06:43:21.501 INFO kablam! | Nov 02 06:43:21.501 INFO kablam! 11 | output.flush(); Nov 02 06:43:21.501 INFO kablam! | ^^^^^^^^^^^^^^^ Nov 02 06:43:21.501 INFO kablam! | Nov 02 06:43:21.501 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.501 INFO kablam! Nov 02 06:43:21.501 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.501 INFO kablam! --> src/repl.rs:20:13 Nov 02 06:43:21.501 INFO kablam! | Nov 02 06:43:21.501 INFO kablam! 20 | output.write(token.display().as_bytes()); Nov 02 06:43:21.501 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.501 INFO kablam! | Nov 02 06:43:21.501 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.501 INFO kablam! Nov 02 06:43:21.501 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.501 INFO kablam! --> src/repl.rs:21:13 Nov 02 06:43:21.501 INFO kablam! | Nov 02 06:43:21.501 INFO kablam! 21 | output.write("\n".as_bytes()); Nov 02 06:43:21.501 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.502 INFO kablam! | Nov 02 06:43:21.502 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.502 INFO kablam! Nov 02 06:43:21.502 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.502 INFO kablam! --> src/repl.rs:22:13 Nov 02 06:43:21.502 INFO kablam! | Nov 02 06:43:21.502 INFO kablam! 22 | output.flush(); Nov 02 06:43:21.502 INFO kablam! | ^^^^^^^^^^^^^^^ Nov 02 06:43:21.502 INFO kablam! | Nov 02 06:43:21.502 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.502 INFO kablam! Nov 02 06:43:21.502 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.502 INFO kablam! --> src/repl.rs:24:9 Nov 02 06:43:21.502 INFO kablam! | Nov 02 06:43:21.502 INFO kablam! 24 | output.write(PROMPT.as_bytes()); Nov 02 06:43:21.502 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 02 06:43:21.502 INFO kablam! | Nov 02 06:43:21.502 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.502 INFO kablam! Nov 02 06:43:21.502 INFO kablam! warning: unused `std::result::Result` that must be used Nov 02 06:43:21.503 INFO kablam! --> src/repl.rs:25:9 Nov 02 06:43:21.503 INFO kablam! | Nov 02 06:43:21.503 INFO kablam! 25 | output.flush(); Nov 02 06:43:21.503 INFO kablam! | ^^^^^^^^^^^^^^^ Nov 02 06:43:21.503 INFO kablam! | Nov 02 06:43:21.503 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Nov 02 06:43:21.503 INFO kablam! Nov 02 06:43:21.548 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.76s Nov 02 06:43:21.560 INFO kablam! su: No module specific data is present Nov 02 06:43:22.176 INFO running `"docker" "rm" "-f" "273924e70acded7628c08da00e75fb4461b6b51364a898479a7ff509695cb97e"` Nov 02 06:43:22.445 INFO blam! 273924e70acded7628c08da00e75fb4461b6b51364a898479a7ff509695cb97e