Nov 28 03:20:27.608 INFO checking jhoudan/monkey-rs against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 03:20:27.608 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 03:20:28.131 INFO [stdout] 2c9f6a31ab63ef67759b1848b5927c5184b0bf41f8ee2929de76967debaaf428
Nov 28 03:20:28.140 INFO running `"docker" "start" "-a" "2c9f6a31ab63ef67759b1848b5927c5184b0bf41f8ee2929de76967debaaf428"`
Nov 28 03:20:29.431 INFO [stderr] usermod: no changes
Nov 28 03:20:29.481 INFO [stderr]     Checking monkey v0.1.0 (/source)
Nov 28 03:20:29.940 INFO [stderr] warning: unused import: `token::Token`
Nov 28 03:20:29.940 INFO [stderr]  --> src/main.rs:9:5
Nov 28 03:20:29.940 INFO [stderr]   |
Nov 28 03:20:29.940 INFO [stderr] 9 | use token::Token;
Nov 28 03:20:29.940 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 03:20:29.940 INFO [stderr]   |
Nov 28 03:20:29.940 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 03:20:29.940 INFO [stderr] 
Nov 28 03:20:30.024 INFO [stderr] warning: unused variable: `lexer`
Nov 28 03:20:30.024 INFO [stderr]    --> src/lexer.rs:186:17
Nov 28 03:20:30.024 INFO [stderr]     |
Nov 28 03:20:30.024 INFO [stderr] 186 |         let mut lexer = Lexer::new(input);
Nov 28 03:20:30.024 INFO [stderr]     |                 ^^^^^ help: consider using `_lexer` instead
Nov 28 03:20:30.024 INFO [stderr]     |
Nov 28 03:20:30.024 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 03:20:30.024 INFO [stderr] 
Nov 28 03:20:30.072 INFO [stderr] warning: variable does not need to be mutable
Nov 28 03:20:30.072 INFO [stderr]    --> src/lexer.rs:186:13
Nov 28 03:20:30.072 INFO [stderr]     |
Nov 28 03:20:30.072 INFO [stderr] 186 |         let mut lexer = Lexer::new(input);
Nov 28 03:20:30.072 INFO [stderr]     |             ----^^^^^
Nov 28 03:20:30.072 INFO [stderr]     |             |
Nov 28 03:20:30.072 INFO [stderr]     |             help: remove this `mut`
Nov 28 03:20:30.072 INFO [stderr]     |
Nov 28 03:20:30.072 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 03:20:30.072 INFO [stderr] 
Nov 28 03:20:30.080 INFO [stderr] warning: method is never used: `token_literal`
Nov 28 03:20:30.080 INFO [stderr]   --> src/ast.rs:16:5
Nov 28 03:20:30.080 INFO [stderr]    |
Nov 28 03:20:30.080 INFO [stderr] 16 |     fn token_literal(&self) -> String {
Nov 28 03:20:30.080 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.080 INFO [stderr]    |
Nov 28 03:20:30.080 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 03:20:30.080 INFO [stderr] 
Nov 28 03:20:30.080 INFO [stderr] warning: method is never used: `token_literal`
Nov 28 03:20:30.080 INFO [stderr]   --> src/ast.rs:34:5
Nov 28 03:20:30.080 INFO [stderr]    |
Nov 28 03:20:30.080 INFO [stderr] 34 |     fn token_literal(&self) -> String {
Nov 28 03:20:30.080 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.080 INFO [stderr] 
Nov 28 03:20:30.080 INFO [stderr] warning: struct is never constructed: `Expression`
Nov 28 03:20:30.080 INFO [stderr]   --> src/ast.rs:39:1
Nov 28 03:20:30.080 INFO [stderr]    |
Nov 28 03:20:30.080 INFO [stderr] 39 | struct Expression;
Nov 28 03:20:30.080 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.080 INFO [stderr] 
Nov 28 03:20:30.124 INFO [stderr] warning: unused import: `token::Token`
Nov 28 03:20:30.124 INFO [stderr]  --> src/main.rs:9:5
Nov 28 03:20:30.124 INFO [stderr]   |
Nov 28 03:20:30.124 INFO [stderr] 9 | use token::Token;
Nov 28 03:20:30.124 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 03:20:30.124 INFO [stderr]   |
Nov 28 03:20:30.124 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 03:20:30.124 INFO [stderr] 
Nov 28 03:20:30.280 INFO [stderr] warning: struct is never constructed: `Program`
Nov 28 03:20:30.280 INFO [stderr]  --> src/ast.rs:7:1
Nov 28 03:20:30.280 INFO [stderr]   |
Nov 28 03:20:30.280 INFO [stderr] 7 | pub struct Program {
Nov 28 03:20:30.280 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.280 INFO [stderr]   |
Nov 28 03:20:30.280 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 03:20:30.288 INFO [stderr] 
Nov 28 03:20:30.288 INFO [stderr] warning: method is never used: `new`
Nov 28 03:20:30.288 INFO [stderr]   --> src/ast.rs:12:5
Nov 28 03:20:30.288 INFO [stderr]    |
Nov 28 03:20:30.288 INFO [stderr] 12 |     pub fn new() -> Program {
Nov 28 03:20:30.288 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.288 INFO [stderr] 
Nov 28 03:20:30.288 INFO [stderr] warning: method is never used: `token_literal`
Nov 28 03:20:30.288 INFO [stderr]   --> src/ast.rs:16:5
Nov 28 03:20:30.289 INFO [stderr]    |
Nov 28 03:20:30.289 INFO [stderr] 16 |     fn token_literal(&self) -> String {
Nov 28 03:20:30.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.289 INFO [stderr] warning: struct is never constructed: `Statement`
Nov 28 03:20:30.289 INFO [stderr]   --> src/ast.rs:27:1
Nov 28 03:20:30.289 INFO [stderr]    |
Nov 28 03:20:30.289 INFO [stderr] 27 | pub struct Statement {
Nov 28 03:20:30.289 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.289 INFO [stderr] warning: method is never used: `token_literal`
Nov 28 03:20:30.289 INFO [stderr]   --> src/ast.rs:34:5
Nov 28 03:20:30.289 INFO [stderr]    |
Nov 28 03:20:30.289 INFO [stderr] 34 |     fn token_literal(&self) -> String {
Nov 28 03:20:30.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.289 INFO [stderr] warning: struct is never constructed: `Expression`
Nov 28 03:20:30.289 INFO [stderr]   --> src/ast.rs:39:1
Nov 28 03:20:30.289 INFO [stderr]    |
Nov 28 03:20:30.289 INFO [stderr] 39 | struct Expression;
Nov 28 03:20:30.289 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.289 INFO [stderr] warning: struct is never constructed: `Parser`
Nov 28 03:20:30.289 INFO [stderr]  --> src/parser.rs:7:1
Nov 28 03:20:30.289 INFO [stderr]   |
Nov 28 03:20:30.289 INFO [stderr] 7 | pub struct Parser<'a> {
Nov 28 03:20:30.289 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.289 INFO [stderr] warning: method is never used: `new`
Nov 28 03:20:30.289 INFO [stderr]   --> src/parser.rs:15:5
Nov 28 03:20:30.289 INFO [stderr]    |
Nov 28 03:20:30.289 INFO [stderr] 15 |     fn new(mut lexer: Lexer) -> Parser {
Nov 28 03:20:30.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.289 INFO [stderr] warning: method is never used: `next_token`
Nov 28 03:20:30.289 INFO [stderr]   --> src/parser.rs:26:5
Nov 28 03:20:30.289 INFO [stderr]    |
Nov 28 03:20:30.289 INFO [stderr] 26 |     fn next_token(&mut self) {
Nov 28 03:20:30.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.289 INFO [stderr] warning: method is never used: `take_current_token`
Nov 28 03:20:30.289 INFO [stderr]   --> src/parser.rs:30:5
Nov 28 03:20:30.289 INFO [stderr]    |
Nov 28 03:20:30.289 INFO [stderr] 30 |     fn take_current_token(&mut self) -> Token {
Nov 28 03:20:30.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.289 INFO [stderr] warning: method is never used: `parse_program`
Nov 28 03:20:30.289 INFO [stderr]   --> src/parser.rs:34:5
Nov 28 03:20:30.289 INFO [stderr]    |
Nov 28 03:20:30.289 INFO [stderr] 34 |     fn parse_program(&mut self) -> Program {
Nov 28 03:20:30.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.289 INFO [stderr] warning: method is never used: `parse_statement`
Nov 28 03:20:30.289 INFO [stderr]   --> src/parser.rs:47:5
Nov 28 03:20:30.289 INFO [stderr]    |
Nov 28 03:20:30.289 INFO [stderr] 47 |     fn parse_statement(&mut self) -> Option<Statement> {
Nov 28 03:20:30.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.289 INFO [stderr] warning: method is never used: `parse_let_statement`
Nov 28 03:20:30.289 INFO [stderr]   --> src/parser.rs:54:5
Nov 28 03:20:30.289 INFO [stderr]    |
Nov 28 03:20:30.289 INFO [stderr] 54 |     fn parse_let_statement(&mut self) -> Option<Statement> {
Nov 28 03:20:30.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 03:20:30.289 INFO [stderr] 
Nov 28 03:20:30.316 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Nov 28 03:20:30.320 INFO [stderr] su: No module specific data is present
Nov 28 03:20:31.120 INFO running `"docker" "inspect" "2c9f6a31ab63ef67759b1848b5927c5184b0bf41f8ee2929de76967debaaf428"`
Nov 28 03:20:31.514 INFO running `"docker" "rm" "-f" "2c9f6a31ab63ef67759b1848b5927c5184b0bf41f8ee2929de76967debaaf428"`
Nov 28 03:20:31.869 INFO [stdout] 2c9f6a31ab63ef67759b1848b5927c5184b0bf41f8ee2929de76967debaaf428