Oct 12 19:47:33.896 INFO checking jhoudan/monkey-rs against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 19:47:33.898 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/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 19:47:34.437 INFO blam! 2055cc74da34ac59378586d15dd74d28ea569f088e2934fb05bb77b0c1ca7dc6
Oct 12 19:47:34.440 INFO running `"docker" "start" "-a" "2055cc74da34ac59378586d15dd74d28ea569f088e2934fb05bb77b0c1ca7dc6"`
Oct 12 19:47:36.068 INFO kablam! usermod: no changes
Oct 12 19:47:36.119 INFO kablam!     Checking monkey v0.1.0 (/source)
Oct 12 19:47:36.488 INFO kablam! warning: unused import: `token::Token`
Oct 12 19:47:36.489 INFO kablam!  --> src/main.rs:9:5
Oct 12 19:47:36.489 INFO kablam!   |
Oct 12 19:47:36.489 INFO kablam! 9 | use token::Token;
Oct 12 19:47:36.490 INFO kablam!   |     ^^^^^^^^^^^^
Oct 12 19:47:36.490 INFO kablam!   |
Oct 12 19:47:36.490 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 19:47:36.490 INFO kablam! 
Oct 12 19:47:36.556 INFO kablam! warning: unused variable: `lexer`
Oct 12 19:47:36.556 INFO kablam!    --> src/lexer.rs:186:17
Oct 12 19:47:36.556 INFO kablam!     |
Oct 12 19:47:36.556 INFO kablam! 186 |         let mut lexer = Lexer::new(input);
Oct 12 19:47:36.556 INFO kablam!     |                 ^^^^^ help: consider using `_lexer` instead
Oct 12 19:47:36.556 INFO kablam!     |
Oct 12 19:47:36.556 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 19:47:36.556 INFO kablam! 
Oct 12 19:47:36.568 INFO kablam! warning: unused import: `token::Token`
Oct 12 19:47:36.568 INFO kablam!  --> src/main.rs:9:5
Oct 12 19:47:36.568 INFO kablam!   |
Oct 12 19:47:36.568 INFO kablam! 9 | use token::Token;
Oct 12 19:47:36.568 INFO kablam!   |     ^^^^^^^^^^^^
Oct 12 19:47:36.568 INFO kablam!   |
Oct 12 19:47:36.568 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 19:47:36.568 INFO kablam! 
Oct 12 19:47:36.576 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:47:36.576 INFO kablam!    --> src/lexer.rs:186:13
Oct 12 19:47:36.576 INFO kablam!     |
Oct 12 19:47:36.576 INFO kablam! 186 |         let mut lexer = Lexer::new(input);
Oct 12 19:47:36.576 INFO kablam!     |             ----^^^^^
Oct 12 19:47:36.576 INFO kablam!     |             |
Oct 12 19:47:36.576 INFO kablam!     |             help: remove this `mut`
Oct 12 19:47:36.576 INFO kablam!     |
Oct 12 19:47:36.576 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 19:47:36.576 INFO kablam! 
Oct 12 19:47:36.588 INFO kablam! warning: method is never used: `token_literal`
Oct 12 19:47:36.588 INFO kablam!   --> src/ast.rs:16:5
Oct 12 19:47:36.588 INFO kablam!    |
Oct 12 19:47:36.588 INFO kablam! 16 |     fn token_literal(&self) -> String {
Oct 12 19:47:36.588 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.588 INFO kablam!    |
Oct 12 19:47:36.588 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 19:47:36.588 INFO kablam! 
Oct 12 19:47:36.588 INFO kablam! warning: method is never used: `token_literal`
Oct 12 19:47:36.588 INFO kablam!   --> src/ast.rs:34:5
Oct 12 19:47:36.588 INFO kablam!    |
Oct 12 19:47:36.588 INFO kablam! 34 |     fn token_literal(&self) -> String {
Oct 12 19:47:36.588 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.588 INFO kablam! 
Oct 12 19:47:36.588 INFO kablam! warning: struct is never constructed: `Expression`
Oct 12 19:47:36.588 INFO kablam!   --> src/ast.rs:39:1
Oct 12 19:47:36.588 INFO kablam!    |
Oct 12 19:47:36.588 INFO kablam! 39 | struct Expression;
Oct 12 19:47:36.588 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.588 INFO kablam! 
Oct 12 19:47:36.692 INFO kablam! warning: struct is never constructed: `Program`
Oct 12 19:47:36.692 INFO kablam!  --> src/ast.rs:7:1
Oct 12 19:47:36.692 INFO kablam!   |
Oct 12 19:47:36.692 INFO kablam! 7 | pub struct Program {
Oct 12 19:47:36.692 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.692 INFO kablam!   |
Oct 12 19:47:36.692 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:47:36.692 INFO kablam! 
Oct 12 19:47:36.692 INFO kablam! warning: method is never used: `new`
Oct 12 19:47:36.692 INFO kablam!   --> src/ast.rs:12:5
Oct 12 19:47:36.692 INFO kablam!    |
Oct 12 19:47:36.692 INFO kablam! 12 |     pub fn new() -> Program {
Oct 12 19:47:36.692 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.692 INFO kablam! 
Oct 12 19:47:36.692 INFO kablam! warning: method is never used: `token_literal`
Oct 12 19:47:36.692 INFO kablam!   --> src/ast.rs:16:5
Oct 12 19:47:36.692 INFO kablam!    |
Oct 12 19:47:36.692 INFO kablam! 16 |     fn token_literal(&self) -> String {
Oct 12 19:47:36.692 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.692 INFO kablam! 
Oct 12 19:47:36.692 INFO kablam! warning: struct is never constructed: `Statement`
Oct 12 19:47:36.692 INFO kablam!   --> src/ast.rs:27:1
Oct 12 19:47:36.692 INFO kablam!    |
Oct 12 19:47:36.692 INFO kablam! 27 | pub struct Statement {
Oct 12 19:47:36.692 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.692 INFO kablam! 
Oct 12 19:47:36.692 INFO kablam! warning: method is never used: `token_literal`
Oct 12 19:47:36.692 INFO kablam!   --> src/ast.rs:34:5
Oct 12 19:47:36.692 INFO kablam!    |
Oct 12 19:47:36.692 INFO kablam! 34 |     fn token_literal(&self) -> String {
Oct 12 19:47:36.692 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.692 INFO kablam! 
Oct 12 19:47:36.692 INFO kablam! warning: struct is never constructed: `Expression`
Oct 12 19:47:36.692 INFO kablam!   --> src/ast.rs:39:1
Oct 12 19:47:36.692 INFO kablam!    |
Oct 12 19:47:36.692 INFO kablam! 39 | struct Expression;
Oct 12 19:47:36.692 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.692 INFO kablam! 
Oct 12 19:47:36.692 INFO kablam! warning: struct is never constructed: `Parser`
Oct 12 19:47:36.692 INFO kablam!  --> src/parser.rs:7:1
Oct 12 19:47:36.692 INFO kablam!   |
Oct 12 19:47:36.692 INFO kablam! 7 | pub struct Parser<'a> {
Oct 12 19:47:36.692 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.692 INFO kablam! 
Oct 12 19:47:36.692 INFO kablam! warning: method is never used: `new`
Oct 12 19:47:36.692 INFO kablam!   --> src/parser.rs:15:5
Oct 12 19:47:36.692 INFO kablam!    |
Oct 12 19:47:36.692 INFO kablam! 15 |     fn new(mut lexer: Lexer) -> Parser {
Oct 12 19:47:36.693 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.693 INFO kablam! 
Oct 12 19:47:36.693 INFO kablam! warning: method is never used: `next_token`
Oct 12 19:47:36.693 INFO kablam!   --> src/parser.rs:26:5
Oct 12 19:47:36.693 INFO kablam!    |
Oct 12 19:47:36.693 INFO kablam! 26 |     fn next_token(&mut self) {
Oct 12 19:47:36.693 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.693 INFO kablam! 
Oct 12 19:47:36.693 INFO kablam! warning: method is never used: `take_current_token`
Oct 12 19:47:36.693 INFO kablam!   --> src/parser.rs:30:5
Oct 12 19:47:36.693 INFO kablam!    |
Oct 12 19:47:36.693 INFO kablam! 30 |     fn take_current_token(&mut self) -> Token {
Oct 12 19:47:36.693 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.693 INFO kablam! 
Oct 12 19:47:36.693 INFO kablam! warning: method is never used: `parse_program`
Oct 12 19:47:36.693 INFO kablam!   --> src/parser.rs:34:5
Oct 12 19:47:36.693 INFO kablam!    |
Oct 12 19:47:36.693 INFO kablam! 34 |     fn parse_program(&mut self) -> Program {
Oct 12 19:47:36.693 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.693 INFO kablam! 
Oct 12 19:47:36.693 INFO kablam! warning: method is never used: `parse_statement`
Oct 12 19:47:36.693 INFO kablam!   --> src/parser.rs:47:5
Oct 12 19:47:36.693 INFO kablam!    |
Oct 12 19:47:36.693 INFO kablam! 47 |     fn parse_statement(&mut self) -> Option<Statement> {
Oct 12 19:47:36.693 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.693 INFO kablam! 
Oct 12 19:47:36.693 INFO kablam! warning: method is never used: `parse_let_statement`
Oct 12 19:47:36.693 INFO kablam!   --> src/parser.rs:54:5
Oct 12 19:47:36.693 INFO kablam!    |
Oct 12 19:47:36.693 INFO kablam! 54 |     fn parse_let_statement(&mut self) -> Option<Statement> {
Oct 12 19:47:36.693 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:47:36.693 INFO kablam! 
Oct 12 19:47:36.720 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Oct 12 19:47:36.732 INFO kablam! su: No module specific data is present
Oct 12 19:47:37.493 INFO running `"docker" "rm" "-f" "2055cc74da34ac59378586d15dd74d28ea569f088e2934fb05bb77b0c1ca7dc6"`
Oct 12 19:47:37.819 INFO blam! 2055cc74da34ac59378586d15dd74d28ea569f088e2934fb05bb77b0c1ca7dc6