Nov 01 03:13:08.812 INFO checking jhoudan/monkey-rs against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 03:13:08.814 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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"`
Nov 01 03:13:09.297 INFO blam! 61e60e900124d7d11f36b00428e274ca26495b474ce21348ec50801fe39bb3b3
Nov 01 03:13:09.299 INFO running `"docker" "start" "-a" "61e60e900124d7d11f36b00428e274ca26495b474ce21348ec50801fe39bb3b3"`
Nov 01 03:13:11.804 INFO kablam! usermod: no changes
Nov 01 03:13:11.884 INFO kablam!     Checking monkey v0.1.0 (/source)
Nov 01 03:13:12.424 INFO kablam! warning: unused import: `token::Token`
Nov 01 03:13:12.425 INFO kablam!  --> src/main.rs:9:5
Nov 01 03:13:12.426 INFO kablam!   |
Nov 01 03:13:12.427 INFO kablam! 9 | use token::Token;
Nov 01 03:13:12.427 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 03:13:12.428 INFO kablam!   |
Nov 01 03:13:12.428 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:13:12.429 INFO kablam! 
Nov 01 03:13:12.577 INFO kablam! warning: struct is never constructed: `Program`
Nov 01 03:13:12.577 INFO kablam!  --> src/ast.rs:7:1
Nov 01 03:13:12.577 INFO kablam!   |
Nov 01 03:13:12.577 INFO kablam! 7 | pub struct Program {
Nov 01 03:13:12.577 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.577 INFO kablam!   |
Nov 01 03:13:12.580 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 03:13:12.580 INFO kablam! 
Nov 01 03:13:12.580 INFO kablam! warning: method is never used: `new`
Nov 01 03:13:12.580 INFO kablam!   --> src/ast.rs:12:5
Nov 01 03:13:12.580 INFO kablam!    |
Nov 01 03:13:12.580 INFO kablam! 12 |     pub fn new() -> Program {
Nov 01 03:13:12.580 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.581 INFO kablam! 
Nov 01 03:13:12.581 INFO kablam! warning: method is never used: `token_literal`
Nov 01 03:13:12.581 INFO kablam!   --> src/ast.rs:16:5
Nov 01 03:13:12.581 INFO kablam!    |
Nov 01 03:13:12.581 INFO kablam! 16 |     fn token_literal(&self) -> String {
Nov 01 03:13:12.581 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.581 INFO kablam! 
Nov 01 03:13:12.581 INFO kablam! warning: struct is never constructed: `Statement`
Nov 01 03:13:12.581 INFO kablam!   --> src/ast.rs:27:1
Nov 01 03:13:12.581 INFO kablam!    |
Nov 01 03:13:12.581 INFO kablam! 27 | pub struct Statement {
Nov 01 03:13:12.581 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.581 INFO kablam! 
Nov 01 03:13:12.581 INFO kablam! warning: method is never used: `token_literal`
Nov 01 03:13:12.582 INFO kablam!   --> src/ast.rs:34:5
Nov 01 03:13:12.582 INFO kablam!    |
Nov 01 03:13:12.582 INFO kablam! 34 |     fn token_literal(&self) -> String {
Nov 01 03:13:12.582 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.582 INFO kablam! 
Nov 01 03:13:12.582 INFO kablam! warning: struct is never constructed: `Expression`
Nov 01 03:13:12.582 INFO kablam!   --> src/ast.rs:39:1
Nov 01 03:13:12.582 INFO kablam!    |
Nov 01 03:13:12.582 INFO kablam! 39 | struct Expression;
Nov 01 03:13:12.582 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.582 INFO kablam! 
Nov 01 03:13:12.582 INFO kablam! warning: struct is never constructed: `Parser`
Nov 01 03:13:12.582 INFO kablam!  --> src/parser.rs:7:1
Nov 01 03:13:12.582 INFO kablam!   |
Nov 01 03:13:12.582 INFO kablam! 7 | pub struct Parser<'a> {
Nov 01 03:13:12.582 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.582 INFO kablam! 
Nov 01 03:13:12.582 INFO kablam! warning: method is never used: `new`
Nov 01 03:13:12.583 INFO kablam!   --> src/parser.rs:15:5
Nov 01 03:13:12.583 INFO kablam!    |
Nov 01 03:13:12.583 INFO kablam! 15 |     fn new(mut lexer: Lexer) -> Parser {
Nov 01 03:13:12.583 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.583 INFO kablam! 
Nov 01 03:13:12.583 INFO kablam! warning: method is never used: `next_token`
Nov 01 03:13:12.583 INFO kablam!   --> src/parser.rs:26:5
Nov 01 03:13:12.583 INFO kablam!    |
Nov 01 03:13:12.583 INFO kablam! 26 |     fn next_token(&mut self) {
Nov 01 03:13:12.583 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.583 INFO kablam! 
Nov 01 03:13:12.583 INFO kablam! warning: method is never used: `take_current_token`
Nov 01 03:13:12.583 INFO kablam!   --> src/parser.rs:30:5
Nov 01 03:13:12.583 INFO kablam!    |
Nov 01 03:13:12.584 INFO kablam! 30 |     fn take_current_token(&mut self) -> Token {
Nov 01 03:13:12.584 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.584 INFO kablam! 
Nov 01 03:13:12.584 INFO kablam! warning: method is never used: `parse_program`
Nov 01 03:13:12.584 INFO kablam!   --> src/parser.rs:34:5
Nov 01 03:13:12.584 INFO kablam!    |
Nov 01 03:13:12.584 INFO kablam! 34 |     fn parse_program(&mut self) -> Program {
Nov 01 03:13:12.584 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.584 INFO kablam! 
Nov 01 03:13:12.584 INFO kablam! warning: method is never used: `parse_statement`
Nov 01 03:13:12.584 INFO kablam!   --> src/parser.rs:47:5
Nov 01 03:13:12.584 INFO kablam!    |
Nov 01 03:13:12.585 INFO kablam! 47 |     fn parse_statement(&mut self) -> Option<Statement> {
Nov 01 03:13:12.585 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.585 INFO kablam! 
Nov 01 03:13:12.585 INFO kablam! warning: method is never used: `parse_let_statement`
Nov 01 03:13:12.585 INFO kablam!   --> src/parser.rs:54:5
Nov 01 03:13:12.585 INFO kablam!    |
Nov 01 03:13:12.585 INFO kablam! 54 |     fn parse_let_statement(&mut self) -> Option<Statement> {
Nov 01 03:13:12.585 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.585 INFO kablam! 
Nov 01 03:13:12.704 INFO kablam! warning: unused import: `token::Token`
Nov 01 03:13:12.704 INFO kablam!  --> src/main.rs:9:5
Nov 01 03:13:12.704 INFO kablam!   |
Nov 01 03:13:12.704 INFO kablam! 9 | use token::Token;
Nov 01 03:13:12.704 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 03:13:12.704 INFO kablam!   |
Nov 01 03:13:12.704 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:13:12.704 INFO kablam! 
Nov 01 03:13:12.840 INFO kablam! warning: unused variable: `lexer`
Nov 01 03:13:12.840 INFO kablam!    --> src/lexer.rs:186:17
Nov 01 03:13:12.840 INFO kablam!     |
Nov 01 03:13:12.840 INFO kablam! 186 |         let mut lexer = Lexer::new(input);
Nov 01 03:13:12.840 INFO kablam!     |                 ^^^^^ help: consider using `_lexer` instead
Nov 01 03:13:12.840 INFO kablam!     |
Nov 01 03:13:12.840 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 03:13:12.840 INFO kablam! 
Nov 01 03:13:12.876 INFO kablam! warning: variable does not need to be mutable
Nov 01 03:13:12.876 INFO kablam!    --> src/lexer.rs:186:13
Nov 01 03:13:12.876 INFO kablam!     |
Nov 01 03:13:12.876 INFO kablam! 186 |         let mut lexer = Lexer::new(input);
Nov 01 03:13:12.876 INFO kablam!     |             ----^^^^^
Nov 01 03:13:12.876 INFO kablam!     |             |
Nov 01 03:13:12.876 INFO kablam!     |             help: remove this `mut`
Nov 01 03:13:12.876 INFO kablam!     |
Nov 01 03:13:12.876 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 03:13:12.876 INFO kablam! 
Nov 01 03:13:12.888 INFO kablam! warning: method is never used: `token_literal`
Nov 01 03:13:12.888 INFO kablam!   --> src/ast.rs:16:5
Nov 01 03:13:12.888 INFO kablam!    |
Nov 01 03:13:12.888 INFO kablam! 16 |     fn token_literal(&self) -> String {
Nov 01 03:13:12.888 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.888 INFO kablam!    |
Nov 01 03:13:12.888 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 03:13:12.888 INFO kablam! 
Nov 01 03:13:12.888 INFO kablam! warning: method is never used: `token_literal`
Nov 01 03:13:12.888 INFO kablam!   --> src/ast.rs:34:5
Nov 01 03:13:12.888 INFO kablam!    |
Nov 01 03:13:12.888 INFO kablam! 34 |     fn token_literal(&self) -> String {
Nov 01 03:13:12.888 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.888 INFO kablam! 
Nov 01 03:13:12.888 INFO kablam! warning: struct is never constructed: `Expression`
Nov 01 03:13:12.888 INFO kablam!   --> src/ast.rs:39:1
Nov 01 03:13:12.888 INFO kablam!    |
Nov 01 03:13:12.888 INFO kablam! 39 | struct Expression;
Nov 01 03:13:12.888 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 01 03:13:12.888 INFO kablam! 
Nov 01 03:13:12.931 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Nov 01 03:13:12.932 INFO kablam! su: No module specific data is present
Nov 01 03:13:14.027 INFO running `"docker" "rm" "-f" "61e60e900124d7d11f36b00428e274ca26495b474ce21348ec50801fe39bb3b3"`
Nov 01 03:13:14.348 INFO blam! 61e60e900124d7d11f36b00428e274ca26495b474ce21348ec50801fe39bb3b3