Dec 06 14:17:54.542 INFO testing EmmaLa/MonkeyInterpreter against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 14:17:54.542 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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"`
Dec 06 14:17:54.960 INFO [stdout] af7cdee987e0adef4369a6e523c3a77865cc2fc287752c8ba1594cc69e514896
Dec 06 14:17:54.968 INFO running `"docker" "start" "-a" "af7cdee987e0adef4369a6e523c3a77865cc2fc287752c8ba1594cc69e514896"`
Dec 06 14:17:56.136 INFO [stderr] usermod: no changes
Dec 06 14:17:56.172 INFO [stderr]    Compiling monkey_int v0.1.0 (/source)
Dec 06 14:17:56.588 INFO [stderr] warning: unused import: `ast::Statement::*`
Dec 06 14:17:56.588 INFO [stderr]    --> src/parser/mod.rs:155:7
Dec 06 14:17:56.588 INFO [stderr]     |
Dec 06 14:17:56.588 INFO [stderr] 155 |         use ast::Statement::*;
Dec 06 14:17:56.588 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^
Dec 06 14:17:56.588 INFO [stderr]     |
Dec 06 14:17:56.588 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 06 14:17:56.588 INFO [stderr] 
Dec 06 14:17:56.588 INFO [stderr] warning: unused import: `repl::Repl`
Dec 06 14:17:56.588 INFO [stderr]  --> src/main.rs:6:5
Dec 06 14:17:56.588 INFO [stderr]   |
Dec 06 14:17:56.588 INFO [stderr] 6 | use repl::Repl;
Dec 06 14:17:56.589 INFO [stderr]   |     ^^^^^^^^^^
Dec 06 14:17:56.589 INFO [stderr] 
Dec 06 14:17:56.589 INFO [stderr] warning: unused import: `std::fs::File`
Dec 06 14:17:56.589 INFO [stderr]  --> src/main.rs:8:5
Dec 06 14:17:56.589 INFO [stderr]   |
Dec 06 14:17:56.589 INFO [stderr] 8 | use std::fs::File;
Dec 06 14:17:56.589 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 06 14:17:56.589 INFO [stderr] 
Dec 06 14:17:56.589 INFO [stderr] warning: unused import: `std::io::Read`
Dec 06 14:17:56.589 INFO [stderr]  --> src/main.rs:9:5
Dec 06 14:17:56.589 INFO [stderr]   |
Dec 06 14:17:56.589 INFO [stderr] 9 | use std::io::Read;
Dec 06 14:17:56.589 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 06 14:17:56.589 INFO [stderr] 
Dec 06 14:17:56.589 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 06 14:17:56.589 INFO [stderr]   --> src/main.rs:10:5
Dec 06 14:17:56.589 INFO [stderr]    |
Dec 06 14:17:56.589 INFO [stderr] 10 | use std::iter::Peekable;
Dec 06 14:17:56.589 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 14:17:56.589 INFO [stderr] 
Dec 06 14:17:56.589 INFO [stderr] warning: unused import: `lexer::token::Token::*`
Dec 06 14:17:56.589 INFO [stderr]   --> src/main.rs:13:5
Dec 06 14:17:56.589 INFO [stderr]    |
Dec 06 14:17:56.589 INFO [stderr] 13 | use lexer::token::Token::*;
Dec 06 14:17:56.589 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:17:56.589 INFO [stderr] 
Dec 06 14:17:56.716 INFO [stderr] warning: unused variable: `n`
Dec 06 14:17:56.716 INFO [stderr]   --> src/repl/mod.rs:26:10
Dec 06 14:17:56.716 INFO [stderr]    |
Dec 06 14:17:56.716 INFO [stderr] 26 |             Ok(n) => buffer,
Dec 06 14:17:56.716 INFO [stderr]    |                ^ help: consider using `_n` instead
Dec 06 14:17:56.716 INFO [stderr]    |
Dec 06 14:17:56.716 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:17:56.716 INFO [stderr] 
Dec 06 14:17:56.716 INFO [stderr] warning: unused variable: `error`
Dec 06 14:17:56.716 INFO [stderr]   --> src/repl/mod.rs:27:11
Dec 06 14:17:56.716 INFO [stderr]    |
Dec 06 14:17:56.716 INFO [stderr] 27 |             Err(error) => {
Dec 06 14:17:56.716 INFO [stderr]    |                 ^^^^^ help: consider using `_error` instead
Dec 06 14:17:56.717 INFO [stderr] 
Dec 06 14:17:56.724 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:17:56.724 INFO [stderr]   --> src/main.rs:51:9
Dec 06 14:17:56.724 INFO [stderr]    |
Dec 06 14:17:56.724 INFO [stderr] 51 |     let mut content = String::from("-4+2;");
Dec 06 14:17:56.724 INFO [stderr]    |         ----^^^^^^^
Dec 06 14:17:56.724 INFO [stderr]    |         |
Dec 06 14:17:56.724 INFO [stderr]    |         help: remove this `mut`
Dec 06 14:17:56.724 INFO [stderr]    |
Dec 06 14:17:56.724 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 14:17:56.724 INFO [stderr] 
Dec 06 14:17:56.765 INFO [stderr] warning: function is never used: `is_equal_sign`
Dec 06 14:17:56.765 INFO [stderr]   --> src/lexer/reader.rs:13:1
Dec 06 14:17:56.765 INFO [stderr]    |
Dec 06 14:17:56.765 INFO [stderr] 13 | fn is_equal_sign(character: &char) -> bool {
Dec 06 14:17:56.765 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:17:56.765 INFO [stderr]    |
Dec 06 14:17:56.765 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 14:17:56.765 INFO [stderr] 
Dec 06 14:17:56.765 INFO [stderr] warning: method is never used: `read_identifier`
Dec 06 14:17:56.765 INFO [stderr]   --> src/lexer/reader.rs:69:2
Dec 06 14:17:56.765 INFO [stderr]    |
Dec 06 14:17:56.765 INFO [stderr] 69 |     pub fn read_identifier(&mut self, character: char) -> Option<Token> {
Dec 06 14:17:56.765 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:17:56.765 INFO [stderr] 
Dec 06 14:17:56.765 INFO [stderr] warning: function is never used: `is_letter`
Dec 06 14:17:56.765 INFO [stderr]   --> src/lexer/mod.rs:13:1
Dec 06 14:17:56.766 INFO [stderr]    |
Dec 06 14:17:56.766 INFO [stderr] 13 | fn is_letter(character: &char) -> bool {
Dec 06 14:17:56.766 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:17:56.766 INFO [stderr] 
Dec 06 14:17:56.766 INFO [stderr] warning: struct is never constructed: `Repl`
Dec 06 14:17:56.766 INFO [stderr]  --> src/repl/mod.rs:6:1
Dec 06 14:17:56.766 INFO [stderr]   |
Dec 06 14:17:56.766 INFO [stderr] 6 | pub struct Repl;
Dec 06 14:17:56.766 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 06 14:17:56.766 INFO [stderr] 
Dec 06 14:17:56.766 INFO [stderr] warning: method is never used: `run`
Dec 06 14:17:56.766 INFO [stderr]  --> src/repl/mod.rs:9:2
Dec 06 14:17:56.766 INFO [stderr]   |
Dec 06 14:17:56.766 INFO [stderr] 9 |     pub fn run(){
Dec 06 14:17:56.766 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 06 14:17:56.766 INFO [stderr] 
Dec 06 14:17:56.766 INFO [stderr] warning: method is never used: `read_user_input`
Dec 06 14:17:56.766 INFO [stderr]   --> src/repl/mod.rs:23:2
Dec 06 14:17:56.766 INFO [stderr]    |
Dec 06 14:17:56.766 INFO [stderr] 23 |     fn read_user_input(&mut self) -> String {
Dec 06 14:17:56.766 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:17:56.766 INFO [stderr] 
Dec 06 14:17:56.766 INFO [stderr] warning: variant is never constructed: `Expression`
Dec 06 14:17:56.766 INFO [stderr]   --> src/ast/mod.rs:51:2
Dec 06 14:17:56.766 INFO [stderr]    |
Dec 06 14:17:56.766 INFO [stderr] 51 |       Expression {
Dec 06 14:17:56.766 INFO [stderr]    |  _____^
Dec 06 14:17:56.766 INFO [stderr] 52 | |         token: Token,
Dec 06 14:17:56.766 INFO [stderr] 53 | |         value: Box<Statement>
Dec 06 14:17:56.766 INFO [stderr] 54 | |     },
Dec 06 14:17:56.766 INFO [stderr]    | |_____^
Dec 06 14:17:56.766 INFO [stderr] 
Dec 06 14:17:56.766 INFO [stderr] warning: variant is never constructed: `Call`
Dec 06 14:17:56.766 INFO [stderr]   --> src/parser/mod.rs:15:2
Dec 06 14:17:56.766 INFO [stderr]    |
Dec 06 14:17:56.766 INFO [stderr] 15 |     Call = 7
Dec 06 14:17:56.766 INFO [stderr]    |     ^^^^^^^^
Dec 06 14:17:56.766 INFO [stderr] 
Dec 06 14:17:56.766 INFO [stderr] warning: method is never used: `next_token_is_int`
Dec 06 14:17:56.766 INFO [stderr]    --> src/parser/mod.rs:236:2
Dec 06 14:17:56.766 INFO [stderr]     |
Dec 06 14:17:56.766 INFO [stderr] 236 |     fn next_token_is_int(&mut self) -> bool {
Dec 06 14:17:56.766 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:17:56.766 INFO [stderr] 
Dec 06 14:17:56.766 INFO [stderr] warning: variable `PROMPT` should have a snake case name such as `prompt`
Dec 06 14:17:56.766 INFO [stderr]   --> src/repl/mod.rs:11:7
Dec 06 14:17:56.766 INFO [stderr]    |
Dec 06 14:17:56.766 INFO [stderr] 11 |         let PROMPT = ">> ";
Dec 06 14:17:56.766 INFO [stderr]    |             ^^^^^^
Dec 06 14:17:56.766 INFO [stderr]    |
Dec 06 14:17:56.766 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 06 14:17:56.766 INFO [stderr] 
Dec 06 14:17:56.766 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 14:17:56.766 INFO [stderr]   --> src/repl/mod.rs:14:4
Dec 06 14:17:56.766 INFO [stderr]    |
Dec 06 14:17:56.766 INFO [stderr] 14 |             io::stdout().flush();
Dec 06 14:17:56.766 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:17:56.766 INFO [stderr]    |
Dec 06 14:17:56.766 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 14:17:56.766 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 14:17:56.766 INFO [stderr] 
Dec 06 14:17:57.798 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Dec 06 14:17:57.798 INFO [stderr] su: No module specific data is present
Dec 06 14:17:58.263 INFO running `"docker" "inspect" "af7cdee987e0adef4369a6e523c3a77865cc2fc287752c8ba1594cc69e514896"`
Dec 06 14:17:58.394 INFO running `"docker" "rm" "-f" "af7cdee987e0adef4369a6e523c3a77865cc2fc287752c8ba1594cc69e514896"`
Dec 06 14:17:58.474 INFO [stdout] af7cdee987e0adef4369a6e523c3a77865cc2fc287752c8ba1594cc69e514896
Dec 06 14:17:58.481 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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"`
Dec 06 14:17:58.787 INFO [stdout] 63d4492700f5b3d68e68307366a308fb9fe90ec05bee59f7e66996cfe29c5e59
Dec 06 14:17:58.789 INFO running `"docker" "start" "-a" "63d4492700f5b3d68e68307366a308fb9fe90ec05bee59f7e66996cfe29c5e59"`
Dec 06 14:17:59.521 INFO [stderr] usermod: no changes
Dec 06 14:17:59.556 INFO [stderr]    Compiling monkey_int v0.1.0 (/source)
Dec 06 14:18:00.030 INFO [stderr] warning: unused import: `ast::Statement::*`
Dec 06 14:18:00.031 INFO [stderr]    --> src/parser/mod.rs:155:7
Dec 06 14:18:00.031 INFO [stderr]     |
Dec 06 14:18:00.031 INFO [stderr] 155 |         use ast::Statement::*;
Dec 06 14:18:00.031 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^
Dec 06 14:18:00.031 INFO [stderr]     |
Dec 06 14:18:00.031 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 06 14:18:00.031 INFO [stderr] 
Dec 06 14:18:00.031 INFO [stderr] warning: unused import: `repl::Repl`
Dec 06 14:18:00.031 INFO [stderr]  --> src/main.rs:6:5
Dec 06 14:18:00.031 INFO [stderr]   |
Dec 06 14:18:00.031 INFO [stderr] 6 | use repl::Repl;
Dec 06 14:18:00.031 INFO [stderr]   |     ^^^^^^^^^^
Dec 06 14:18:00.031 INFO [stderr] 
Dec 06 14:18:00.031 INFO [stderr] warning: unused import: `std::fs::File`
Dec 06 14:18:00.031 INFO [stderr]  --> src/main.rs:8:5
Dec 06 14:18:00.031 INFO [stderr]   |
Dec 06 14:18:00.031 INFO [stderr] 8 | use std::fs::File;
Dec 06 14:18:00.031 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 06 14:18:00.031 INFO [stderr] 
Dec 06 14:18:00.031 INFO [stderr] warning: unused import: `std::io::Read`
Dec 06 14:18:00.031 INFO [stderr]  --> src/main.rs:9:5
Dec 06 14:18:00.031 INFO [stderr]   |
Dec 06 14:18:00.031 INFO [stderr] 9 | use std::io::Read;
Dec 06 14:18:00.031 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 06 14:18:00.031 INFO [stderr] 
Dec 06 14:18:00.031 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 06 14:18:00.031 INFO [stderr]   --> src/main.rs:10:5
Dec 06 14:18:00.031 INFO [stderr]    |
Dec 06 14:18:00.031 INFO [stderr] 10 | use std::iter::Peekable;
Dec 06 14:18:00.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 06 14:18:00.031 INFO [stderr] 
Dec 06 14:18:00.031 INFO [stderr] warning: unused import: `lexer::token::Token::*`
Dec 06 14:18:00.031 INFO [stderr]   --> src/main.rs:13:5
Dec 06 14:18:00.031 INFO [stderr]    |
Dec 06 14:18:00.031 INFO [stderr] 13 | use lexer::token::Token::*;
Dec 06 14:18:00.031 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:18:00.031 INFO [stderr] 
Dec 06 14:18:00.121 INFO [stderr] warning: unused variable: `n`
Dec 06 14:18:00.121 INFO [stderr]   --> src/repl/mod.rs:26:10
Dec 06 14:18:00.121 INFO [stderr]    |
Dec 06 14:18:00.121 INFO [stderr] 26 |             Ok(n) => buffer,
Dec 06 14:18:00.121 INFO [stderr]    |                ^ help: consider using `_n` instead
Dec 06 14:18:00.121 INFO [stderr]    |
Dec 06 14:18:00.121 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:18:00.121 INFO [stderr] 
Dec 06 14:18:00.121 INFO [stderr] warning: unused variable: `error`
Dec 06 14:18:00.121 INFO [stderr]   --> src/repl/mod.rs:27:11
Dec 06 14:18:00.121 INFO [stderr]    |
Dec 06 14:18:00.121 INFO [stderr] 27 |             Err(error) => {
Dec 06 14:18:00.121 INFO [stderr]    |                 ^^^^^ help: consider using `_error` instead
Dec 06 14:18:00.121 INFO [stderr] 
Dec 06 14:18:00.124 INFO [stderr] warning: variable does not need to be mutable
Dec 06 14:18:00.124 INFO [stderr]   --> src/main.rs:51:9
Dec 06 14:18:00.124 INFO [stderr]    |
Dec 06 14:18:00.124 INFO [stderr] 51 |     let mut content = String::from("-4+2;");
Dec 06 14:18:00.124 INFO [stderr]    |         ----^^^^^^^
Dec 06 14:18:00.124 INFO [stderr]    |         |
Dec 06 14:18:00.124 INFO [stderr]    |         help: remove this `mut`
Dec 06 14:18:00.124 INFO [stderr]    |
Dec 06 14:18:00.124 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 14:18:00.124 INFO [stderr] 
Dec 06 14:18:00.156 INFO [stderr] warning: function is never used: `is_equal_sign`
Dec 06 14:18:00.156 INFO [stderr]   --> src/lexer/reader.rs:13:1
Dec 06 14:18:00.156 INFO [stderr]    |
Dec 06 14:18:00.156 INFO [stderr] 13 | fn is_equal_sign(character: &char) -> bool {
Dec 06 14:18:00.156 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:18:00.156 INFO [stderr]    |
Dec 06 14:18:00.156 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 14:18:00.156 INFO [stderr] 
Dec 06 14:18:00.156 INFO [stderr] warning: method is never used: `read_identifier`
Dec 06 14:18:00.156 INFO [stderr]   --> src/lexer/reader.rs:69:2
Dec 06 14:18:00.156 INFO [stderr]    |
Dec 06 14:18:00.156 INFO [stderr] 69 |     pub fn read_identifier(&mut self, character: char) -> Option<Token> {
Dec 06 14:18:00.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:18:00.157 INFO [stderr] 
Dec 06 14:18:00.157 INFO [stderr] warning: function is never used: `is_letter`
Dec 06 14:18:00.157 INFO [stderr]   --> src/lexer/mod.rs:13:1
Dec 06 14:18:00.157 INFO [stderr]    |
Dec 06 14:18:00.157 INFO [stderr] 13 | fn is_letter(character: &char) -> bool {
Dec 06 14:18:00.157 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:18:00.157 INFO [stderr] 
Dec 06 14:18:00.157 INFO [stderr] warning: struct is never constructed: `Repl`
Dec 06 14:18:00.157 INFO [stderr]  --> src/repl/mod.rs:6:1
Dec 06 14:18:00.157 INFO [stderr]   |
Dec 06 14:18:00.157 INFO [stderr] 6 | pub struct Repl;
Dec 06 14:18:00.157 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 06 14:18:00.157 INFO [stderr] 
Dec 06 14:18:00.157 INFO [stderr] warning: method is never used: `run`
Dec 06 14:18:00.157 INFO [stderr]  --> src/repl/mod.rs:9:2
Dec 06 14:18:00.157 INFO [stderr]   |
Dec 06 14:18:00.157 INFO [stderr] 9 |     pub fn run(){
Dec 06 14:18:00.157 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 06 14:18:00.157 INFO [stderr] 
Dec 06 14:18:00.157 INFO [stderr] warning: method is never used: `read_user_input`
Dec 06 14:18:00.157 INFO [stderr]   --> src/repl/mod.rs:23:2
Dec 06 14:18:00.157 INFO [stderr]    |
Dec 06 14:18:00.157 INFO [stderr] 23 |     fn read_user_input(&mut self) -> String {
Dec 06 14:18:00.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:18:00.157 INFO [stderr] 
Dec 06 14:18:00.157 INFO [stderr] warning: variant is never constructed: `Expression`
Dec 06 14:18:00.157 INFO [stderr]   --> src/ast/mod.rs:51:2
Dec 06 14:18:00.157 INFO [stderr]    |
Dec 06 14:18:00.157 INFO [stderr] 51 |       Expression {
Dec 06 14:18:00.157 INFO [stderr]    |  _____^
Dec 06 14:18:00.157 INFO [stderr] 52 | |         token: Token,
Dec 06 14:18:00.157 INFO [stderr] 53 | |         value: Box<Statement>
Dec 06 14:18:00.157 INFO [stderr] 54 | |     },
Dec 06 14:18:00.157 INFO [stderr]    | |_____^
Dec 06 14:18:00.159 INFO [stderr] 
Dec 06 14:18:00.160 INFO [stderr] warning: variant is never constructed: `Call`
Dec 06 14:18:00.160 INFO [stderr]   --> src/parser/mod.rs:15:2
Dec 06 14:18:00.160 INFO [stderr]    |
Dec 06 14:18:00.160 INFO [stderr] 15 |     Call = 7
Dec 06 14:18:00.160 INFO [stderr]    |     ^^^^^^^^
Dec 06 14:18:00.160 INFO [stderr] 
Dec 06 14:18:00.160 INFO [stderr] warning: method is never used: `next_token_is_int`
Dec 06 14:18:00.160 INFO [stderr]    --> src/parser/mod.rs:236:2
Dec 06 14:18:00.160 INFO [stderr]     |
Dec 06 14:18:00.160 INFO [stderr] 236 |     fn next_token_is_int(&mut self) -> bool {
Dec 06 14:18:00.160 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:18:00.160 INFO [stderr] 
Dec 06 14:18:00.160 INFO [stderr] warning: variable `PROMPT` should have a snake case name such as `prompt`
Dec 06 14:18:00.160 INFO [stderr]   --> src/repl/mod.rs:11:7
Dec 06 14:18:00.160 INFO [stderr]    |
Dec 06 14:18:00.160 INFO [stderr] 11 |         let PROMPT = ">> ";
Dec 06 14:18:00.160 INFO [stderr]    |             ^^^^^^
Dec 06 14:18:00.160 INFO [stderr]    |
Dec 06 14:18:00.160 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 06 14:18:00.160 INFO [stderr] 
Dec 06 14:18:00.160 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 14:18:00.160 INFO [stderr]   --> src/repl/mod.rs:14:4
Dec 06 14:18:00.160 INFO [stderr]    |
Dec 06 14:18:00.160 INFO [stderr] 14 |             io::stdout().flush();
Dec 06 14:18:00.160 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:18:00.160 INFO [stderr]    |
Dec 06 14:18:00.160 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 14:18:00.160 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 14:18:00.160 INFO [stderr] 
Dec 06 14:18:00.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 06 14:18:00.386 INFO [stderr] su: No module specific data is present
Dec 06 14:18:00.661 INFO running `"docker" "inspect" "63d4492700f5b3d68e68307366a308fb9fe90ec05bee59f7e66996cfe29c5e59"`
Dec 06 14:18:00.724 INFO running `"docker" "rm" "-f" "63d4492700f5b3d68e68307366a308fb9fe90ec05bee59f7e66996cfe29c5e59"`
Dec 06 14:18:00.804 INFO [stdout] 63d4492700f5b3d68e68307366a308fb9fe90ec05bee59f7e66996cfe29c5e59
Dec 06 14:18:00.810 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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"`
Dec 06 14:18:01.036 INFO [stdout] 86f7c3db5dec70479f1ce0a65f103c5f5a496264c667f962fb90e3fcff22ea6d
Dec 06 14:18:01.039 INFO running `"docker" "start" "-a" "86f7c3db5dec70479f1ce0a65f103c5f5a496264c667f962fb90e3fcff22ea6d"`
Dec 06 14:18:02.364 INFO [stderr] usermod: no changes
Dec 06 14:18:02.425 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 14:18:02.438 INFO [stderr]      Running /target/debug/deps/monkey_int-c3d94cf8536c7349
Dec 06 14:18:02.445 INFO [stderr] su: No module specific data is present
Dec 06 14:18:02.445 INFO [stdout] 
Dec 06 14:18:02.445 INFO [stdout] running 0 tests
Dec 06 14:18:02.445 INFO [stdout] 
Dec 06 14:18:02.445 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 14:18:02.445 INFO [stdout] 
Dec 06 14:18:03.050 INFO running `"docker" "inspect" "86f7c3db5dec70479f1ce0a65f103c5f5a496264c667f962fb90e3fcff22ea6d"`
Dec 06 14:18:03.252 INFO running `"docker" "rm" "-f" "86f7c3db5dec70479f1ce0a65f103c5f5a496264c667f962fb90e3fcff22ea6d"`
Dec 06 14:18:03.460 INFO [stdout] 86f7c3db5dec70479f1ce0a65f103c5f5a496264c667f962fb90e3fcff22ea6d