Dec 14 10:39:15.583 INFO testing EmmaLa/MonkeyInterpreter against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 10:39:15.583 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 10:39:15.781 INFO [stdout] f739d728cf9e87ce6323826f58463a572c002232e713164cc4e4516f34c8ef59
Dec 14 10:39:15.783 INFO running `"docker" "start" "-a" "f739d728cf9e87ce6323826f58463a572c002232e713164cc4e4516f34c8ef59"`
Dec 14 10:39:16.334 INFO [stderr] usermod: no changes
Dec 14 10:39:16.335 INFO [stderr]    Compiling monkey_int v0.1.0 (/source)
Dec 14 10:39:16.743 INFO [stderr] warning: unused import: `ast::Statement::*`
Dec 14 10:39:16.743 INFO [stderr]    --> src/parser/mod.rs:155:7
Dec 14 10:39:16.743 INFO [stderr]     |
Dec 14 10:39:16.743 INFO [stderr] 155 |         use ast::Statement::*;
Dec 14 10:39:16.743 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^
Dec 14 10:39:16.743 INFO [stderr]     |
Dec 14 10:39:16.743 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 14 10:39:16.743 INFO [stderr] 
Dec 14 10:39:16.743 INFO [stderr] warning: unused import: `repl::Repl`
Dec 14 10:39:16.743 INFO [stderr]  --> src/main.rs:6:5
Dec 14 10:39:16.743 INFO [stderr]   |
Dec 14 10:39:16.743 INFO [stderr] 6 | use repl::Repl;
Dec 14 10:39:16.743 INFO [stderr]   |     ^^^^^^^^^^
Dec 14 10:39:16.743 INFO [stderr] 
Dec 14 10:39:16.743 INFO [stderr] warning: unused import: `std::fs::File`
Dec 14 10:39:16.743 INFO [stderr]  --> src/main.rs:8:5
Dec 14 10:39:16.743 INFO [stderr]   |
Dec 14 10:39:16.743 INFO [stderr] 8 | use std::fs::File;
Dec 14 10:39:16.743 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 14 10:39:16.743 INFO [stderr] 
Dec 14 10:39:16.743 INFO [stderr] warning: unused import: `std::io::Read`
Dec 14 10:39:16.743 INFO [stderr]  --> src/main.rs:9:5
Dec 14 10:39:16.743 INFO [stderr]   |
Dec 14 10:39:16.743 INFO [stderr] 9 | use std::io::Read;
Dec 14 10:39:16.743 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 14 10:39:16.743 INFO [stderr] 
Dec 14 10:39:16.743 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 14 10:39:16.743 INFO [stderr]   --> src/main.rs:10:5
Dec 14 10:39:16.743 INFO [stderr]    |
Dec 14 10:39:16.743 INFO [stderr] 10 | use std::iter::Peekable;
Dec 14 10:39:16.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:16.743 INFO [stderr] 
Dec 14 10:39:16.743 INFO [stderr] warning: unused import: `lexer::token::Token::*`
Dec 14 10:39:16.743 INFO [stderr]   --> src/main.rs:13:5
Dec 14 10:39:16.743 INFO [stderr]    |
Dec 14 10:39:16.743 INFO [stderr] 13 | use lexer::token::Token::*;
Dec 14 10:39:16.743 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:16.743 INFO [stderr] 
Dec 14 10:39:16.871 INFO [stderr] warning: unused variable: `n`
Dec 14 10:39:16.871 INFO [stderr]   --> src/repl/mod.rs:26:10
Dec 14 10:39:16.871 INFO [stderr]    |
Dec 14 10:39:16.871 INFO [stderr] 26 |             Ok(n) => buffer,
Dec 14 10:39:16.871 INFO [stderr]    |                ^ help: consider using `_n` instead
Dec 14 10:39:16.871 INFO [stderr]    |
Dec 14 10:39:16.871 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 10:39:16.871 INFO [stderr] 
Dec 14 10:39:16.871 INFO [stderr] warning: unused variable: `error`
Dec 14 10:39:16.871 INFO [stderr]   --> src/repl/mod.rs:27:11
Dec 14 10:39:16.871 INFO [stderr]    |
Dec 14 10:39:16.871 INFO [stderr] 27 |             Err(error) => {
Dec 14 10:39:16.871 INFO [stderr]    |                 ^^^^^ help: consider using `_error` instead
Dec 14 10:39:16.871 INFO [stderr] 
Dec 14 10:39:16.881 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:39:16.881 INFO [stderr]   --> src/main.rs:51:9
Dec 14 10:39:16.881 INFO [stderr]    |
Dec 14 10:39:16.881 INFO [stderr] 51 |     let mut content = String::from("-4+2;");
Dec 14 10:39:16.881 INFO [stderr]    |         ----^^^^^^^
Dec 14 10:39:16.881 INFO [stderr]    |         |
Dec 14 10:39:16.881 INFO [stderr]    |         help: remove this `mut`
Dec 14 10:39:16.881 INFO [stderr]    |
Dec 14 10:39:16.881 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 10:39:16.881 INFO [stderr] 
Dec 14 10:39:16.922 INFO [stderr] warning: function is never used: `is_equal_sign`
Dec 14 10:39:16.922 INFO [stderr]   --> src/lexer/reader.rs:13:1
Dec 14 10:39:16.922 INFO [stderr]    |
Dec 14 10:39:16.922 INFO [stderr] 13 | fn is_equal_sign(character: &char) -> bool {
Dec 14 10:39:16.922 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:16.922 INFO [stderr]    |
Dec 14 10:39:16.922 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 10:39:16.922 INFO [stderr] 
Dec 14 10:39:16.922 INFO [stderr] warning: method is never used: `read_identifier`
Dec 14 10:39:16.922 INFO [stderr]   --> src/lexer/reader.rs:69:2
Dec 14 10:39:16.922 INFO [stderr]    |
Dec 14 10:39:16.922 INFO [stderr] 69 |     pub fn read_identifier(&mut self, character: char) -> Option<Token> {
Dec 14 10:39:16.922 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:16.922 INFO [stderr] 
Dec 14 10:39:16.922 INFO [stderr] warning: function is never used: `is_letter`
Dec 14 10:39:16.922 INFO [stderr]   --> src/lexer/mod.rs:13:1
Dec 14 10:39:16.922 INFO [stderr]    |
Dec 14 10:39:16.922 INFO [stderr] 13 | fn is_letter(character: &char) -> bool {
Dec 14 10:39:16.922 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:16.922 INFO [stderr] 
Dec 14 10:39:16.922 INFO [stderr] warning: struct is never constructed: `Repl`
Dec 14 10:39:16.922 INFO [stderr]  --> src/repl/mod.rs:6:1
Dec 14 10:39:16.922 INFO [stderr]   |
Dec 14 10:39:16.922 INFO [stderr] 6 | pub struct Repl;
Dec 14 10:39:16.922 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 14 10:39:16.922 INFO [stderr] 
Dec 14 10:39:16.922 INFO [stderr] warning: method is never used: `run`
Dec 14 10:39:16.922 INFO [stderr]  --> src/repl/mod.rs:9:2
Dec 14 10:39:16.922 INFO [stderr]   |
Dec 14 10:39:16.922 INFO [stderr] 9 |     pub fn run(){
Dec 14 10:39:16.922 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 10:39:16.922 INFO [stderr] 
Dec 14 10:39:16.922 INFO [stderr] warning: method is never used: `read_user_input`
Dec 14 10:39:16.922 INFO [stderr]   --> src/repl/mod.rs:23:2
Dec 14 10:39:16.922 INFO [stderr]    |
Dec 14 10:39:16.922 INFO [stderr] 23 |     fn read_user_input(&mut self) -> String {
Dec 14 10:39:16.922 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:16.922 INFO [stderr] 
Dec 14 10:39:16.922 INFO [stderr] warning: variant is never constructed: `Expression`
Dec 14 10:39:16.922 INFO [stderr]   --> src/ast/mod.rs:51:2
Dec 14 10:39:16.922 INFO [stderr]    |
Dec 14 10:39:16.922 INFO [stderr] 51 |       Expression {
Dec 14 10:39:16.922 INFO [stderr]    |  _____^
Dec 14 10:39:16.922 INFO [stderr] 52 | |         token: Token,
Dec 14 10:39:16.922 INFO [stderr] 53 | |         value: Box<Statement>
Dec 14 10:39:16.922 INFO [stderr] 54 | |     },
Dec 14 10:39:16.923 INFO [stderr]    | |_____^
Dec 14 10:39:16.923 INFO [stderr] 
Dec 14 10:39:16.923 INFO [stderr] warning: variant is never constructed: `Call`
Dec 14 10:39:16.923 INFO [stderr]   --> src/parser/mod.rs:15:2
Dec 14 10:39:16.923 INFO [stderr]    |
Dec 14 10:39:16.923 INFO [stderr] 15 |     Call = 7
Dec 14 10:39:16.923 INFO [stderr]    |     ^^^^^^^^
Dec 14 10:39:16.923 INFO [stderr] 
Dec 14 10:39:16.923 INFO [stderr] warning: method is never used: `next_token_is_int`
Dec 14 10:39:16.923 INFO [stderr]    --> src/parser/mod.rs:236:2
Dec 14 10:39:16.923 INFO [stderr]     |
Dec 14 10:39:16.923 INFO [stderr] 236 |     fn next_token_is_int(&mut self) -> bool {
Dec 14 10:39:16.923 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:16.923 INFO [stderr] 
Dec 14 10:39:16.923 INFO [stderr] warning: variable `PROMPT` should have a snake case name such as `prompt`
Dec 14 10:39:16.923 INFO [stderr]   --> src/repl/mod.rs:11:7
Dec 14 10:39:16.923 INFO [stderr]    |
Dec 14 10:39:16.923 INFO [stderr] 11 |         let PROMPT = ">> ";
Dec 14 10:39:16.923 INFO [stderr]    |             ^^^^^^
Dec 14 10:39:16.923 INFO [stderr]    |
Dec 14 10:39:16.923 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 14 10:39:16.923 INFO [stderr] 
Dec 14 10:39:16.923 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 10:39:16.923 INFO [stderr]   --> src/repl/mod.rs:14:4
Dec 14 10:39:16.923 INFO [stderr]    |
Dec 14 10:39:16.923 INFO [stderr] 14 |             io::stdout().flush();
Dec 14 10:39:16.923 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:16.923 INFO [stderr]    |
Dec 14 10:39:16.923 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 10:39:16.923 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 10:39:16.923 INFO [stderr] 
Dec 14 10:39:17.646 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 14 10:39:17.648 INFO [stderr] su: No module specific data is present
Dec 14 10:39:17.960 INFO running `"docker" "inspect" "f739d728cf9e87ce6323826f58463a572c002232e713164cc4e4516f34c8ef59"`
Dec 14 10:39:18.053 INFO running `"docker" "rm" "-f" "f739d728cf9e87ce6323826f58463a572c002232e713164cc4e4516f34c8ef59"`
Dec 14 10:39:18.153 INFO [stdout] f739d728cf9e87ce6323826f58463a572c002232e713164cc4e4516f34c8ef59
Dec 14 10:39:18.156 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 10:39:18.359 INFO [stdout] 99f5373c1cfad317cff92a5fbac756bd4a2aede277672dc978c15e5b51258d0e
Dec 14 10:39:18.361 INFO running `"docker" "start" "-a" "99f5373c1cfad317cff92a5fbac756bd4a2aede277672dc978c15e5b51258d0e"`
Dec 14 10:39:18.905 INFO [stderr] usermod: no changes
Dec 14 10:39:18.928 INFO [stderr]    Compiling monkey_int v0.1.0 (/source)
Dec 14 10:39:19.310 INFO [stderr] warning: unused import: `ast::Statement::*`
Dec 14 10:39:19.310 INFO [stderr]    --> src/parser/mod.rs:155:7
Dec 14 10:39:19.310 INFO [stderr]     |
Dec 14 10:39:19.310 INFO [stderr] 155 |         use ast::Statement::*;
Dec 14 10:39:19.310 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^
Dec 14 10:39:19.310 INFO [stderr]     |
Dec 14 10:39:19.310 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 14 10:39:19.310 INFO [stderr] 
Dec 14 10:39:19.310 INFO [stderr] warning: unused import: `repl::Repl`
Dec 14 10:39:19.311 INFO [stderr]  --> src/main.rs:6:5
Dec 14 10:39:19.311 INFO [stderr]   |
Dec 14 10:39:19.311 INFO [stderr] 6 | use repl::Repl;
Dec 14 10:39:19.311 INFO [stderr]   |     ^^^^^^^^^^
Dec 14 10:39:19.311 INFO [stderr] 
Dec 14 10:39:19.311 INFO [stderr] warning: unused import: `std::fs::File`
Dec 14 10:39:19.311 INFO [stderr]  --> src/main.rs:8:5
Dec 14 10:39:19.311 INFO [stderr]   |
Dec 14 10:39:19.311 INFO [stderr] 8 | use std::fs::File;
Dec 14 10:39:19.311 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 14 10:39:19.311 INFO [stderr] 
Dec 14 10:39:19.311 INFO [stderr] warning: unused import: `std::io::Read`
Dec 14 10:39:19.311 INFO [stderr]  --> src/main.rs:9:5
Dec 14 10:39:19.311 INFO [stderr]   |
Dec 14 10:39:19.311 INFO [stderr] 9 | use std::io::Read;
Dec 14 10:39:19.311 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 14 10:39:19.311 INFO [stderr] 
Dec 14 10:39:19.311 INFO [stderr] warning: unused import: `std::iter::Peekable`
Dec 14 10:39:19.311 INFO [stderr]   --> src/main.rs:10:5
Dec 14 10:39:19.311 INFO [stderr]    |
Dec 14 10:39:19.311 INFO [stderr] 10 | use std::iter::Peekable;
Dec 14 10:39:19.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:19.311 INFO [stderr] 
Dec 14 10:39:19.311 INFO [stderr] warning: unused import: `lexer::token::Token::*`
Dec 14 10:39:19.311 INFO [stderr]   --> src/main.rs:13:5
Dec 14 10:39:19.311 INFO [stderr]    |
Dec 14 10:39:19.311 INFO [stderr] 13 | use lexer::token::Token::*;
Dec 14 10:39:19.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:19.311 INFO [stderr] 
Dec 14 10:39:19.405 INFO [stderr] warning: unused variable: `n`
Dec 14 10:39:19.405 INFO [stderr]   --> src/repl/mod.rs:26:10
Dec 14 10:39:19.405 INFO [stderr]    |
Dec 14 10:39:19.405 INFO [stderr] 26 |             Ok(n) => buffer,
Dec 14 10:39:19.405 INFO [stderr]    |                ^ help: consider using `_n` instead
Dec 14 10:39:19.405 INFO [stderr]    |
Dec 14 10:39:19.405 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 10:39:19.405 INFO [stderr] 
Dec 14 10:39:19.405 INFO [stderr] warning: unused variable: `error`
Dec 14 10:39:19.405 INFO [stderr]   --> src/repl/mod.rs:27:11
Dec 14 10:39:19.405 INFO [stderr]    |
Dec 14 10:39:19.405 INFO [stderr] 27 |             Err(error) => {
Dec 14 10:39:19.405 INFO [stderr]    |                 ^^^^^ help: consider using `_error` instead
Dec 14 10:39:19.405 INFO [stderr] 
Dec 14 10:39:19.415 INFO [stderr] warning: variable does not need to be mutable
Dec 14 10:39:19.415 INFO [stderr]   --> src/main.rs:51:9
Dec 14 10:39:19.415 INFO [stderr]    |
Dec 14 10:39:19.415 INFO [stderr] 51 |     let mut content = String::from("-4+2;");
Dec 14 10:39:19.415 INFO [stderr]    |         ----^^^^^^^
Dec 14 10:39:19.416 INFO [stderr]    |         |
Dec 14 10:39:19.416 INFO [stderr]    |         help: remove this `mut`
Dec 14 10:39:19.416 INFO [stderr]    |
Dec 14 10:39:19.416 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 10:39:19.416 INFO [stderr] 
Dec 14 10:39:19.450 INFO [stderr] warning: function is never used: `is_equal_sign`
Dec 14 10:39:19.451 INFO [stderr]   --> src/lexer/reader.rs:13:1
Dec 14 10:39:19.451 INFO [stderr]    |
Dec 14 10:39:19.451 INFO [stderr] 13 | fn is_equal_sign(character: &char) -> bool {
Dec 14 10:39:19.451 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:19.451 INFO [stderr]    |
Dec 14 10:39:19.451 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 10:39:19.451 INFO [stderr] 
Dec 14 10:39:19.451 INFO [stderr] warning: method is never used: `read_identifier`
Dec 14 10:39:19.451 INFO [stderr]   --> src/lexer/reader.rs:69:2
Dec 14 10:39:19.451 INFO [stderr]    |
Dec 14 10:39:19.451 INFO [stderr] 69 |     pub fn read_identifier(&mut self, character: char) -> Option<Token> {
Dec 14 10:39:19.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:19.451 INFO [stderr] 
Dec 14 10:39:19.451 INFO [stderr] warning: function is never used: `is_letter`
Dec 14 10:39:19.451 INFO [stderr]   --> src/lexer/mod.rs:13:1
Dec 14 10:39:19.451 INFO [stderr]    |
Dec 14 10:39:19.451 INFO [stderr] 13 | fn is_letter(character: &char) -> bool {
Dec 14 10:39:19.451 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:19.451 INFO [stderr] 
Dec 14 10:39:19.451 INFO [stderr] warning: struct is never constructed: `Repl`
Dec 14 10:39:19.451 INFO [stderr]  --> src/repl/mod.rs:6:1
Dec 14 10:39:19.451 INFO [stderr]   |
Dec 14 10:39:19.451 INFO [stderr] 6 | pub struct Repl;
Dec 14 10:39:19.451 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 14 10:39:19.451 INFO [stderr] 
Dec 14 10:39:19.451 INFO [stderr] warning: method is never used: `run`
Dec 14 10:39:19.451 INFO [stderr]  --> src/repl/mod.rs:9:2
Dec 14 10:39:19.451 INFO [stderr]   |
Dec 14 10:39:19.451 INFO [stderr] 9 |     pub fn run(){
Dec 14 10:39:19.451 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 10:39:19.451 INFO [stderr] 
Dec 14 10:39:19.451 INFO [stderr] warning: method is never used: `read_user_input`
Dec 14 10:39:19.451 INFO [stderr]   --> src/repl/mod.rs:23:2
Dec 14 10:39:19.451 INFO [stderr]    |
Dec 14 10:39:19.451 INFO [stderr] 23 |     fn read_user_input(&mut self) -> String {
Dec 14 10:39:19.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:19.451 INFO [stderr] 
Dec 14 10:39:19.451 INFO [stderr] warning: variant is never constructed: `Expression`
Dec 14 10:39:19.451 INFO [stderr]   --> src/ast/mod.rs:51:2
Dec 14 10:39:19.451 INFO [stderr]    |
Dec 14 10:39:19.451 INFO [stderr] 51 |       Expression {
Dec 14 10:39:19.451 INFO [stderr]    |  _____^
Dec 14 10:39:19.451 INFO [stderr] 52 | |         token: Token,
Dec 14 10:39:19.451 INFO [stderr] 53 | |         value: Box<Statement>
Dec 14 10:39:19.451 INFO [stderr] 54 | |     },
Dec 14 10:39:19.451 INFO [stderr]    | |_____^
Dec 14 10:39:19.451 INFO [stderr] 
Dec 14 10:39:19.451 INFO [stderr] warning: variant is never constructed: `Call`
Dec 14 10:39:19.451 INFO [stderr]   --> src/parser/mod.rs:15:2
Dec 14 10:39:19.451 INFO [stderr]    |
Dec 14 10:39:19.451 INFO [stderr] 15 |     Call = 7
Dec 14 10:39:19.451 INFO [stderr]    |     ^^^^^^^^
Dec 14 10:39:19.451 INFO [stderr] 
Dec 14 10:39:19.451 INFO [stderr] warning: method is never used: `next_token_is_int`
Dec 14 10:39:19.451 INFO [stderr]    --> src/parser/mod.rs:236:2
Dec 14 10:39:19.451 INFO [stderr]     |
Dec 14 10:39:19.451 INFO [stderr] 236 |     fn next_token_is_int(&mut self) -> bool {
Dec 14 10:39:19.451 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:19.451 INFO [stderr] 
Dec 14 10:39:19.451 INFO [stderr] warning: variable `PROMPT` should have a snake case name such as `prompt`
Dec 14 10:39:19.452 INFO [stderr]   --> src/repl/mod.rs:11:7
Dec 14 10:39:19.452 INFO [stderr]    |
Dec 14 10:39:19.452 INFO [stderr] 11 |         let PROMPT = ">> ";
Dec 14 10:39:19.452 INFO [stderr]    |             ^^^^^^
Dec 14 10:39:19.452 INFO [stderr]    |
Dec 14 10:39:19.452 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 14 10:39:19.452 INFO [stderr] 
Dec 14 10:39:19.452 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 10:39:19.452 INFO [stderr]   --> src/repl/mod.rs:14:4
Dec 14 10:39:19.452 INFO [stderr]    |
Dec 14 10:39:19.452 INFO [stderr] 14 |             io::stdout().flush();
Dec 14 10:39:19.452 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:39:19.455 INFO [stderr]    |
Dec 14 10:39:19.455 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 10:39:19.455 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 10:39:19.455 INFO [stderr] 
Dec 14 10:39:19.687 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 14 10:39:19.689 INFO [stderr] su: No module specific data is present
Dec 14 10:39:20.042 INFO running `"docker" "inspect" "99f5373c1cfad317cff92a5fbac756bd4a2aede277672dc978c15e5b51258d0e"`
Dec 14 10:39:20.217 INFO running `"docker" "rm" "-f" "99f5373c1cfad317cff92a5fbac756bd4a2aede277672dc978c15e5b51258d0e"`
Dec 14 10:39:20.391 INFO [stdout] 99f5373c1cfad317cff92a5fbac756bd4a2aede277672dc978c15e5b51258d0e
Dec 14 10:39:20.391 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 14 10:39:20.607 INFO [stdout] b84b8e877bfecfb75ec340d5541b319466a614bf6cec40900641bb82c29912b7
Dec 14 10:39:20.610 INFO running `"docker" "start" "-a" "b84b8e877bfecfb75ec340d5541b319466a614bf6cec40900641bb82c29912b7"`
Dec 14 10:39:21.133 INFO [stderr] usermod: no changes
Dec 14 10:39:21.166 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 10:39:21.166 INFO [stderr]      Running /target/debug/deps/monkey_int-d0e4660c706550dd
Dec 14 10:39:21.168 INFO [stdout] 
Dec 14 10:39:21.168 INFO [stdout] running 0 tests
Dec 14 10:39:21.168 INFO [stdout] 
Dec 14 10:39:21.168 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 10:39:21.168 INFO [stdout] 
Dec 14 10:39:21.168 INFO [stderr] su: No module specific data is present
Dec 14 10:39:21.424 INFO running `"docker" "inspect" "b84b8e877bfecfb75ec340d5541b319466a614bf6cec40900641bb82c29912b7"`
Dec 14 10:39:21.524 INFO running `"docker" "rm" "-f" "b84b8e877bfecfb75ec340d5541b319466a614bf6cec40900641bb82c29912b7"`
Dec 14 10:39:21.605 INFO [stdout] b84b8e877bfecfb75ec340d5541b319466a614bf6cec40900641bb82c29912b7