Dec 13 07:50:22.194 INFO testing patallen/SlangVM against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 07:50:22.194 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 07:50:22.780 INFO [stdout] 648768f70ae8b73caa85d52ff6d1a5cd3ddf19e25db280a9d3f43e636736527e
Dec 13 07:50:22.782 INFO running `"docker" "start" "-a" "648768f70ae8b73caa85d52ff6d1a5cd3ddf19e25db280a9d3f43e636736527e"`
Dec 13 07:50:24.165 INFO [stderr] usermod: no changes
Dec 13 07:50:24.399 INFO [stderr]    Compiling linked-hash-map v0.3.0
Dec 13 07:50:24.415 INFO [stderr]    Compiling miniz-sys v0.1.9
Dec 13 07:50:24.424 INFO [stderr]    Compiling humantime v1.0.0
Dec 13 07:50:24.424 INFO [stderr]    Compiling serde_json v1.0.2
Dec 13 07:50:24.424 INFO [stderr]    Compiling ordered-float v0.4.0
Dec 13 07:50:24.427 INFO [stderr]    Compiling serde_derive v1.0.4
Dec 13 07:50:24.427 INFO [stderr]    Compiling chrono v0.3.1
Dec 13 07:50:26.695 INFO [stderr]    Compiling yaml-rust v0.3.5
Dec 13 07:50:27.439 INFO [stderr]    Compiling serde-value v0.5.0
Dec 13 07:50:30.233 INFO [stderr]    Compiling flate2 v0.2.19
Dec 13 07:50:35.886 INFO [stderr]    Compiling serde_yaml v0.7.0
Dec 13 07:50:41.764 INFO [stderr]    Compiling log4rs v0.7.0
Dec 13 07:50:52.173 INFO [stderr]    Compiling slang v0.1.0 (/source)
Dec 13 07:50:54.331 INFO [stderr] warning: unused import: `assembler::lexer::Lexer`
Dec 13 07:50:54.331 INFO [stderr]   --> src/main.rs:23:5
Dec 13 07:50:54.331 INFO [stderr]    |
Dec 13 07:50:54.331 INFO [stderr] 23 | use assembler::lexer::Lexer;
Dec 13 07:50:54.331 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.331 INFO [stderr]    |
Dec 13 07:50:54.331 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 07:50:54.331 INFO [stderr] 
Dec 13 07:50:54.331 INFO [stderr] warning: unused imports: `Tokenizer`, `shunting_yard`
Dec 13 07:50:54.331 INFO [stderr]   --> src/main.rs:24:21
Dec 13 07:50:54.331 INFO [stderr]    |
Dec 13 07:50:54.331 INFO [stderr] 24 | use compiler::lex::{Tokenizer, shunting_yard};
Dec 13 07:50:54.331 INFO [stderr]    |                     ^^^^^^^^^  ^^^^^^^^^^^^^
Dec 13 07:50:54.331 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: method is never used: `next_code`
Dec 13 07:50:54.763 INFO [stderr]   --> src/program.rs:28:5
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 28 |     pub fn next_code(&mut self) -> u16 {
Dec 13 07:50:54.763 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: method is never used: `reset`
Dec 13 07:50:54.763 INFO [stderr]   --> src/program.rs:41:5
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 41 |     pub fn reset(&mut self) {
Dec 13 07:50:54.763 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: enum is never used: `Token`
Dec 13 07:50:54.763 INFO [stderr]  --> src/compiler/lex.rs:7:1
Dec 13 07:50:54.763 INFO [stderr]   |
Dec 13 07:50:54.763 INFO [stderr] 7 | pub enum Token {
Dec 13 07:50:54.763 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: enum is never used: `ConsumeType`
Dec 13 07:50:54.763 INFO [stderr]   --> src/compiler/lex.rs:15:1
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 15 | enum ConsumeType { Ident, Number }
Dec 13 07:50:54.763 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: struct is never constructed: `Tokenizer`
Dec 13 07:50:54.763 INFO [stderr]   --> src/compiler/lex.rs:17:1
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 17 | pub struct Tokenizer<'a> {
Dec 13 07:50:54.763 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: method is never used: `new`
Dec 13 07:50:54.763 INFO [stderr]   --> src/compiler/lex.rs:21:5
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 21 |     pub fn new(input: &'a str) -> Self {
Dec 13 07:50:54.763 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: method is never used: `tokenize`
Dec 13 07:50:54.763 INFO [stderr]   --> src/compiler/lex.rs:26:5
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 26 |     pub fn tokenize(&mut self) -> Vec<Token> {
Dec 13 07:50:54.763 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: function is never used: `consume_ident`
Dec 13 07:50:54.763 INFO [stderr]   --> src/compiler/lex.rs:48:1
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 48 | fn consume_ident(peekable: &mut Peekable<Chars>) -> Token {
Dec 13 07:50:54.763 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: function is never used: `consume_number`
Dec 13 07:50:54.763 INFO [stderr]   --> src/compiler/lex.rs:53:1
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 53 | fn consume_number(peekable: &mut Peekable<Chars>) -> Token {
Dec 13 07:50:54.763 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: function is never used: `valid_token_char`
Dec 13 07:50:54.763 INFO [stderr]   --> src/compiler/lex.rs:58:1
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 58 | fn valid_token_char(ch: &char, tt: ConsumeType) -> bool {
Dec 13 07:50:54.763 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: function is never used: `shunting_yard`
Dec 13 07:50:54.763 INFO [stderr]   --> src/compiler/lex.rs:71:1
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 71 | pub fn shunting_yard(tokens: Vec<Token>) -> Vec<Token> {
Dec 13 07:50:54.763 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: field is never used: `current_line`
Dec 13 07:50:54.763 INFO [stderr]   --> src/assembler/mod.rs:12:5
Dec 13 07:50:54.763 INFO [stderr]    |
Dec 13 07:50:54.763 INFO [stderr] 12 |     current_line: usize,
Dec 13 07:50:54.763 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.763 INFO [stderr] 
Dec 13 07:50:54.763 INFO [stderr] warning: field is never used: `errors`
Dec 13 07:50:54.764 INFO [stderr]   --> src/assembler/mod.rs:13:5
Dec 13 07:50:54.764 INFO [stderr]    |
Dec 13 07:50:54.764 INFO [stderr] 13 |     errors: Vec<String>,
Dec 13 07:50:54.764 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.764 INFO [stderr] 
Dec 13 07:50:54.764 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:50:54.764 INFO [stderr]   --> src/compiler/lex.rs:38:73
Dec 13 07:50:54.764 INFO [stderr]    |
Dec 13 07:50:54.764 INFO [stderr] 38 |                     ')'             => {tokens.push(Token::RightParen); chars.take(1).collect::<String>();},
Dec 13 07:50:54.764 INFO [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.764 INFO [stderr]    |
Dec 13 07:50:54.764 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 07:50:54.764 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:50:54.764 INFO [stderr] 
Dec 13 07:50:54.764 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:50:54.764 INFO [stderr]   --> src/compiler/lex.rs:39:72
Dec 13 07:50:54.764 INFO [stderr]    |
Dec 13 07:50:54.764 INFO [stderr] 39 |                     '('             => {tokens.push(Token::LeftParen); chars.take(1).collect::<String>();},
Dec 13 07:50:54.764 INFO [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.764 INFO [stderr]    |
Dec 13 07:50:54.764 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:50:54.764 INFO [stderr] 
Dec 13 07:50:54.764 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:50:54.764 INFO [stderr]   --> src/compiler/lex.rs:40:42
Dec 13 07:50:54.764 INFO [stderr]    |
Dec 13 07:50:54.764 INFO [stderr] 40 |                     ' '             => { chars.take(1).collect::<String>(); }
Dec 13 07:50:54.764 INFO [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:54.764 INFO [stderr]    |
Dec 13 07:50:54.764 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:50:54.764 INFO [stderr] 
Dec 13 07:50:58.051 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.85s
Dec 13 07:50:58.055 INFO [stderr] su: No module specific data is present
Dec 13 07:50:59.136 INFO running `"docker" "inspect" "648768f70ae8b73caa85d52ff6d1a5cd3ddf19e25db280a9d3f43e636736527e"`
Dec 13 07:50:59.411 INFO running `"docker" "rm" "-f" "648768f70ae8b73caa85d52ff6d1a5cd3ddf19e25db280a9d3f43e636736527e"`
Dec 13 07:50:59.791 INFO [stdout] 648768f70ae8b73caa85d52ff6d1a5cd3ddf19e25db280a9d3f43e636736527e
Dec 13 07:50:59.799 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 07:51:00.220 INFO [stdout] f26e717b3c82ad8f2b633b9dc3604e924d87b6c0f55cda08d0cc7b484ca40a78
Dec 13 07:51:00.222 INFO running `"docker" "start" "-a" "f26e717b3c82ad8f2b633b9dc3604e924d87b6c0f55cda08d0cc7b484ca40a78"`
Dec 13 07:51:02.519 INFO [stderr] usermod: no changes
Dec 13 07:51:02.731 INFO [stderr]    Compiling slang v0.1.0 (/source)
Dec 13 07:51:03.951 INFO [stderr] warning: unused import: `assembler::lexer::Lexer`
Dec 13 07:51:03.951 INFO [stderr]   --> src/main.rs:23:5
Dec 13 07:51:03.951 INFO [stderr]    |
Dec 13 07:51:03.951 INFO [stderr] 23 | use assembler::lexer::Lexer;
Dec 13 07:51:03.951 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:03.951 INFO [stderr]    |
Dec 13 07:51:03.951 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 07:51:03.951 INFO [stderr] 
Dec 13 07:51:03.951 INFO [stderr] warning: unused imports: `Tokenizer`, `shunting_yard`
Dec 13 07:51:03.951 INFO [stderr]   --> src/main.rs:24:21
Dec 13 07:51:03.951 INFO [stderr]    |
Dec 13 07:51:03.951 INFO [stderr] 24 | use compiler::lex::{Tokenizer, shunting_yard};
Dec 13 07:51:03.951 INFO [stderr]    |                     ^^^^^^^^^  ^^^^^^^^^^^^^
Dec 13 07:51:03.951 INFO [stderr] 
Dec 13 07:51:04.359 INFO [stderr] warning: enum is never used: `Token`
Dec 13 07:51:04.359 INFO [stderr]  --> src/compiler/lex.rs:7:1
Dec 13 07:51:04.359 INFO [stderr]   |
Dec 13 07:51:04.359 INFO [stderr] 7 | pub enum Token {
Dec 13 07:51:04.359 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 13 07:51:04.359 INFO [stderr]   |
Dec 13 07:51:04.360 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 07:51:04.360 INFO [stderr] 
Dec 13 07:51:04.360 INFO [stderr] warning: enum is never used: `ConsumeType`
Dec 13 07:51:04.360 INFO [stderr]   --> src/compiler/lex.rs:15:1
Dec 13 07:51:04.360 INFO [stderr]    |
Dec 13 07:51:04.360 INFO [stderr] 15 | enum ConsumeType { Ident, Number }
Dec 13 07:51:04.360 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 13 07:51:04.360 INFO [stderr] 
Dec 13 07:51:04.360 INFO [stderr] warning: struct is never constructed: `Tokenizer`
Dec 13 07:51:04.360 INFO [stderr]   --> src/compiler/lex.rs:17:1
Dec 13 07:51:04.360 INFO [stderr]    |
Dec 13 07:51:04.360 INFO [stderr] 17 | pub struct Tokenizer<'a> {
Dec 13 07:51:04.360 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:04.360 INFO [stderr] 
Dec 13 07:51:04.360 INFO [stderr] warning: method is never used: `new`
Dec 13 07:51:04.360 INFO [stderr]   --> src/compiler/lex.rs:21:5
Dec 13 07:51:04.360 INFO [stderr]    |
Dec 13 07:51:04.360 INFO [stderr] 21 |     pub fn new(input: &'a str) -> Self {
Dec 13 07:51:04.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:04.360 INFO [stderr] 
Dec 13 07:51:04.360 INFO [stderr] warning: method is never used: `tokenize`
Dec 13 07:51:04.360 INFO [stderr]   --> src/compiler/lex.rs:26:5
Dec 13 07:51:04.360 INFO [stderr]    |
Dec 13 07:51:04.360 INFO [stderr] 26 |     pub fn tokenize(&mut self) -> Vec<Token> {
Dec 13 07:51:04.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:04.360 INFO [stderr] 
Dec 13 07:51:04.360 INFO [stderr] warning: function is never used: `consume_ident`
Dec 13 07:51:04.360 INFO [stderr]   --> src/compiler/lex.rs:48:1
Dec 13 07:51:04.360 INFO [stderr]    |
Dec 13 07:51:04.360 INFO [stderr] 48 | fn consume_ident(peekable: &mut Peekable<Chars>) -> Token {
Dec 13 07:51:04.360 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:04.360 INFO [stderr] 
Dec 13 07:51:04.360 INFO [stderr] warning: function is never used: `consume_number`
Dec 13 07:51:04.360 INFO [stderr]   --> src/compiler/lex.rs:53:1
Dec 13 07:51:04.360 INFO [stderr]    |
Dec 13 07:51:04.360 INFO [stderr] 53 | fn consume_number(peekable: &mut Peekable<Chars>) -> Token {
Dec 13 07:51:04.360 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:04.360 INFO [stderr] 
Dec 13 07:51:04.360 INFO [stderr] warning: function is never used: `valid_token_char`
Dec 13 07:51:04.360 INFO [stderr]   --> src/compiler/lex.rs:58:1
Dec 13 07:51:04.360 INFO [stderr]    |
Dec 13 07:51:04.360 INFO [stderr] 58 | fn valid_token_char(ch: &char, tt: ConsumeType) -> bool {
Dec 13 07:51:04.360 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:04.360 INFO [stderr] 
Dec 13 07:51:04.360 INFO [stderr] warning: function is never used: `shunting_yard`
Dec 13 07:51:04.360 INFO [stderr]   --> src/compiler/lex.rs:71:1
Dec 13 07:51:04.360 INFO [stderr]    |
Dec 13 07:51:04.360 INFO [stderr] 71 | pub fn shunting_yard(tokens: Vec<Token>) -> Vec<Token> {
Dec 13 07:51:04.360 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:04.360 INFO [stderr] 
Dec 13 07:51:04.363 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:51:04.363 INFO [stderr]   --> src/compiler/lex.rs:38:73
Dec 13 07:51:04.363 INFO [stderr]    |
Dec 13 07:51:04.363 INFO [stderr] 38 |                     ')'             => {tokens.push(Token::RightParen); chars.take(1).collect::<String>();},
Dec 13 07:51:04.363 INFO [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:04.363 INFO [stderr]    |
Dec 13 07:51:04.363 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 07:51:04.363 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:51:04.363 INFO [stderr] 
Dec 13 07:51:04.363 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:51:04.363 INFO [stderr]   --> src/compiler/lex.rs:39:72
Dec 13 07:51:04.363 INFO [stderr]    |
Dec 13 07:51:04.363 INFO [stderr] 39 |                     '('             => {tokens.push(Token::LeftParen); chars.take(1).collect::<String>();},
Dec 13 07:51:04.363 INFO [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:04.363 INFO [stderr]    |
Dec 13 07:51:04.363 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:51:04.363 INFO [stderr] 
Dec 13 07:51:04.363 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:51:04.363 INFO [stderr]   --> src/compiler/lex.rs:40:42
Dec 13 07:51:04.363 INFO [stderr]    |
Dec 13 07:51:04.363 INFO [stderr] 40 |                     ' '             => { chars.take(1).collect::<String>(); }
Dec 13 07:51:04.363 INFO [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:04.363 INFO [stderr]    |
Dec 13 07:51:04.363 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:51:04.363 INFO [stderr] 
Dec 13 07:51:06.527 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
Dec 13 07:51:06.535 INFO [stderr] su: No module specific data is present
Dec 13 07:51:07.711 INFO running `"docker" "inspect" "f26e717b3c82ad8f2b633b9dc3604e924d87b6c0f55cda08d0cc7b484ca40a78"`
Dec 13 07:51:08.176 INFO running `"docker" "rm" "-f" "f26e717b3c82ad8f2b633b9dc3604e924d87b6c0f55cda08d0cc7b484ca40a78"`
Dec 13 07:51:08.586 INFO [stdout] f26e717b3c82ad8f2b633b9dc3604e924d87b6c0f55cda08d0cc7b484ca40a78
Dec 13 07:51:08.595 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 07:51:09.040 INFO [stdout] b8001a44cc04bf762ce45936660d0f8c1b3b497413e963bd12b614209e8cf4a3
Dec 13 07:51:09.043 INFO running `"docker" "start" "-a" "b8001a44cc04bf762ce45936660d0f8c1b3b497413e963bd12b614209e8cf4a3"`
Dec 13 07:51:10.229 INFO [stderr] usermod: no changes
Dec 13 07:51:10.348 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Dec 13 07:51:10.367 INFO [stdout] 
Dec 13 07:51:10.367 INFO [stderr]      Running /target/debug/deps/slang-1b9e4d02d5444aa0
Dec 13 07:51:10.367 INFO [stdout] running 15 tests
Dec 13 07:51:10.367 INFO [stdout] test assembler::test_new_assembler ... ok
Dec 13 07:51:10.367 INFO [stdout] test program::test_reset ... ok
Dec 13 07:51:10.367 INFO [stdout] test stack::test_stack_init ... ok
Dec 13 07:51:10.367 INFO [stdout] test assembler::test_to_bytes_32 ... ok
Dec 13 07:51:10.367 INFO [stdout] test program::test_next_halfword ... ok
Dec 13 07:51:10.367 INFO [stdout] test program::test_next_code ... ok
Dec 13 07:51:10.367 INFO [stdout] test program::test_next_byte ... ok
Dec 13 07:51:10.367 INFO [stdout] test program::test_jump_to ... ok
Dec 13 07:51:10.367 INFO [stdout] test program::test_load_bytes ... ok
Dec 13 07:51:10.367 INFO [stdout] test stack::test_stack_peek ... ok
Dec 13 07:51:10.367 INFO [stdout] test stack::test_stack_pull ... ok
Dec 13 07:51:10.367 INFO [stdout] test stack::test_stack_push ... ok
Dec 13 07:51:10.367 INFO [stdout] test vm::test_fetch_instruction ... ok
Dec 13 07:51:10.367 INFO [stdout] test vm::test_swap_instruction ... ok
Dec 13 07:51:10.367 INFO [stdout] test vm::test_vm_new ... ok
Dec 13 07:51:10.367 INFO [stdout] 
Dec 13 07:51:10.367 INFO [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:51:10.367 INFO [stdout] 
Dec 13 07:51:10.374 INFO [stderr] su: No module specific data is present
Dec 13 07:51:11.097 INFO running `"docker" "inspect" "b8001a44cc04bf762ce45936660d0f8c1b3b497413e963bd12b614209e8cf4a3"`
Dec 13 07:51:11.332 INFO running `"docker" "rm" "-f" "b8001a44cc04bf762ce45936660d0f8c1b3b497413e963bd12b614209e8cf4a3"`
Dec 13 07:51:11.675 INFO [stdout] b8001a44cc04bf762ce45936660d0f8c1b3b497413e963bd12b614209e8cf4a3