Nov 16 17:14:08.125 INFO testing patallen/SlangVM against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 17:14:08.127 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 17:14:08.596 INFO [stdout] ed91ed1c82a383c490f2fc96d07141778f6c04d1de69f5ff53bd0faca07b350b
Nov 16 17:14:08.601 INFO running `"docker" "start" "-a" "ed91ed1c82a383c490f2fc96d07141778f6c04d1de69f5ff53bd0faca07b350b"`
Nov 16 17:14:09.431 INFO [stderr] usermod: no changes
Nov 16 17:14:09.591 INFO [stderr]    Compiling serde v1.0.4
Nov 16 17:14:09.591 INFO [stderr]    Compiling quick-error v1.2.0
Nov 16 17:14:09.591 INFO [stderr]    Compiling log-mdc v0.1.0
Nov 16 17:14:09.591 INFO [stderr]    Compiling miniz-sys v0.1.9
Nov 16 17:14:09.591 INFO [stderr]    Compiling thread-id v3.1.0
Nov 16 17:14:09.591 INFO [stderr]    Compiling itertools v0.6.0
Nov 16 17:14:09.591 INFO [stderr]    Compiling ordered-float v0.4.0
Nov 16 17:14:09.591 INFO [stderr]    Compiling serde_derive_internals v0.15.0
Nov 16 17:14:10.851 INFO [stderr]    Compiling thread_local v0.3.3
Nov 16 17:14:12.207 INFO [stderr]    Compiling humantime v1.0.0
Nov 16 17:14:12.216 INFO [stderr]    Compiling regex v0.2.1
Nov 16 17:14:16.963 INFO [stderr]    Compiling serde_derive v1.0.4
Nov 16 17:14:17.121 INFO [stderr]    Compiling flate2 v0.2.19
Nov 16 17:14:39.595 INFO [stderr]    Compiling serde-value v0.5.0
Nov 16 17:14:39.595 INFO [stderr]    Compiling serde_json v1.0.2
Nov 16 17:14:39.595 INFO [stderr]    Compiling serde_yaml v0.7.0
Nov 16 17:14:46.231 INFO [stderr]    Compiling log4rs v0.7.0
Nov 16 17:14:56.355 INFO [stderr]    Compiling slang v0.1.0 (/source)
Nov 16 17:14:58.303 INFO [stderr] warning: unused import: `assembler::lexer::Lexer`
Nov 16 17:14:58.303 INFO [stderr]   --> src/main.rs:23:5
Nov 16 17:14:58.303 INFO [stderr]    |
Nov 16 17:14:58.303 INFO [stderr] 23 | use assembler::lexer::Lexer;
Nov 16 17:14:58.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.303 INFO [stderr]    |
Nov 16 17:14:58.303 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 16 17:14:58.304 INFO [stderr] 
Nov 16 17:14:58.304 INFO [stderr] warning: unused imports: `Tokenizer`, `shunting_yard`
Nov 16 17:14:58.304 INFO [stderr]   --> src/main.rs:24:21
Nov 16 17:14:58.304 INFO [stderr]    |
Nov 16 17:14:58.304 INFO [stderr] 24 | use compiler::lex::{Tokenizer, shunting_yard};
Nov 16 17:14:58.304 INFO [stderr]    |                     ^^^^^^^^^  ^^^^^^^^^^^^^
Nov 16 17:14:58.304 INFO [stderr] 
Nov 16 17:14:58.731 INFO [stderr] warning: method is never used: `next_code`
Nov 16 17:14:58.731 INFO [stderr]   --> src/program.rs:28:5
Nov 16 17:14:58.731 INFO [stderr]    |
Nov 16 17:14:58.731 INFO [stderr] 28 |     pub fn next_code(&mut self) -> u16 {
Nov 16 17:14:58.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.731 INFO [stderr]    |
Nov 16 17:14:58.731 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 17:14:58.731 INFO [stderr] 
Nov 16 17:14:58.731 INFO [stderr] warning: method is never used: `reset`
Nov 16 17:14:58.731 INFO [stderr]   --> src/program.rs:41:5
Nov 16 17:14:58.731 INFO [stderr]    |
Nov 16 17:14:58.731 INFO [stderr] 41 |     pub fn reset(&mut self) {
Nov 16 17:14:58.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.731 INFO [stderr] 
Nov 16 17:14:58.731 INFO [stderr] warning: enum is never used: `Token`
Nov 16 17:14:58.731 INFO [stderr]  --> src/compiler/lex.rs:7:1
Nov 16 17:14:58.731 INFO [stderr]   |
Nov 16 17:14:58.731 INFO [stderr] 7 | pub enum Token {
Nov 16 17:14:58.731 INFO [stderr]   | ^^^^^^^^^^^^^^
Nov 16 17:14:58.731 INFO [stderr] 
Nov 16 17:14:58.731 INFO [stderr] warning: enum is never used: `ConsumeType`
Nov 16 17:14:58.731 INFO [stderr]   --> src/compiler/lex.rs:15:1
Nov 16 17:14:58.731 INFO [stderr]    |
Nov 16 17:14:58.731 INFO [stderr] 15 | enum ConsumeType { Ident, Number }
Nov 16 17:14:58.732 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: struct is never constructed: `Tokenizer`
Nov 16 17:14:58.732 INFO [stderr]   --> src/compiler/lex.rs:17:1
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 17 | pub struct Tokenizer<'a> {
Nov 16 17:14:58.732 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: method is never used: `new`
Nov 16 17:14:58.732 INFO [stderr]   --> src/compiler/lex.rs:21:5
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 21 |     pub fn new(input: &'a str) -> Self {
Nov 16 17:14:58.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: method is never used: `tokenize`
Nov 16 17:14:58.732 INFO [stderr]   --> src/compiler/lex.rs:26:5
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 26 |     pub fn tokenize(&mut self) -> Vec<Token> {
Nov 16 17:14:58.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: function is never used: `consume_ident`
Nov 16 17:14:58.732 INFO [stderr]   --> src/compiler/lex.rs:48:1
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 48 | fn consume_ident(peekable: &mut Peekable<Chars>) -> Token {
Nov 16 17:14:58.732 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: function is never used: `consume_number`
Nov 16 17:14:58.732 INFO [stderr]   --> src/compiler/lex.rs:53:1
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 53 | fn consume_number(peekable: &mut Peekable<Chars>) -> Token {
Nov 16 17:14:58.732 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: function is never used: `valid_token_char`
Nov 16 17:14:58.732 INFO [stderr]   --> src/compiler/lex.rs:58:1
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 58 | fn valid_token_char(ch: &char, tt: ConsumeType) -> bool {
Nov 16 17:14:58.732 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: function is never used: `shunting_yard`
Nov 16 17:14:58.732 INFO [stderr]   --> src/compiler/lex.rs:71:1
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 71 | pub fn shunting_yard(tokens: Vec<Token>) -> Vec<Token> {
Nov 16 17:14:58.732 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: field is never used: `current_line`
Nov 16 17:14:58.732 INFO [stderr]   --> src/assembler/mod.rs:12:5
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 12 |     current_line: usize,
Nov 16 17:14:58.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: field is never used: `errors`
Nov 16 17:14:58.732 INFO [stderr]   --> src/assembler/mod.rs:13:5
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 13 |     errors: Vec<String>,
Nov 16 17:14:58.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 16 17:14:58.732 INFO [stderr]   --> src/compiler/lex.rs:38:73
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 38 |                     ')'             => {tokens.push(Token::RightParen); chars.take(1).collect::<String>();},
Nov 16 17:14:58.732 INFO [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 17:14:58.732 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 16 17:14:58.732 INFO [stderr]   --> src/compiler/lex.rs:39:72
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr] 39 |                     '('             => {tokens.push(Token::LeftParen); chars.take(1).collect::<String>();},
Nov 16 17:14:58.732 INFO [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.732 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 16 17:14:58.732 INFO [stderr] 
Nov 16 17:14:58.732 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 16 17:14:58.732 INFO [stderr]   --> src/compiler/lex.rs:40:42
Nov 16 17:14:58.732 INFO [stderr]    |
Nov 16 17:14:58.733 INFO [stderr] 40 |                     ' '             => { chars.take(1).collect::<String>(); }
Nov 16 17:14:58.733 INFO [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:14:58.733 INFO [stderr]    |
Nov 16 17:14:58.733 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 16 17:14:58.733 INFO [stderr] 
Nov 16 17:15:02.123 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.66s
Nov 16 17:15:02.127 INFO [stderr] su: No module specific data is present
Nov 16 17:15:03.367 INFO running `"docker" "inspect" "ed91ed1c82a383c490f2fc96d07141778f6c04d1de69f5ff53bd0faca07b350b"`
Nov 16 17:15:03.739 INFO running `"docker" "rm" "-f" "ed91ed1c82a383c490f2fc96d07141778f6c04d1de69f5ff53bd0faca07b350b"`
Nov 16 17:15:04.092 INFO [stdout] ed91ed1c82a383c490f2fc96d07141778f6c04d1de69f5ff53bd0faca07b350b
Nov 16 17:15:04.101 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 17:15:04.663 INFO [stdout] 7b28a527e91b0cb31e4f50e0fe80d4e87029d83bdaf50628acc9459d9f6213ae
Nov 16 17:15:04.666 INFO running `"docker" "start" "-a" "7b28a527e91b0cb31e4f50e0fe80d4e87029d83bdaf50628acc9459d9f6213ae"`
Nov 16 17:15:06.187 INFO [stderr] usermod: no changes
Nov 16 17:15:06.391 INFO [stderr]    Compiling slang v0.1.0 (/source)
Nov 16 17:15:07.485 INFO [stderr] warning: unused import: `assembler::lexer::Lexer`
Nov 16 17:15:07.486 INFO [stderr]   --> src/main.rs:23:5
Nov 16 17:15:07.486 INFO [stderr]    |
Nov 16 17:15:07.486 INFO [stderr] 23 | use assembler::lexer::Lexer;
Nov 16 17:15:07.487 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.487 INFO [stderr]    |
Nov 16 17:15:07.487 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 16 17:15:07.488 INFO [stderr] 
Nov 16 17:15:07.488 INFO [stderr] warning: unused imports: `Tokenizer`, `shunting_yard`
Nov 16 17:15:07.488 INFO [stderr]   --> src/main.rs:24:21
Nov 16 17:15:07.488 INFO [stderr]    |
Nov 16 17:15:07.489 INFO [stderr] 24 | use compiler::lex::{Tokenizer, shunting_yard};
Nov 16 17:15:07.489 INFO [stderr]    |                     ^^^^^^^^^  ^^^^^^^^^^^^^
Nov 16 17:15:07.490 INFO [stderr] 
Nov 16 17:15:07.904 INFO [stderr] warning: enum is never used: `Token`
Nov 16 17:15:07.904 INFO [stderr]  --> src/compiler/lex.rs:7:1
Nov 16 17:15:07.904 INFO [stderr]   |
Nov 16 17:15:07.904 INFO [stderr] 7 | pub enum Token {
Nov 16 17:15:07.905 INFO [stderr]   | ^^^^^^^^^^^^^^
Nov 16 17:15:07.905 INFO [stderr]   |
Nov 16 17:15:07.905 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 17:15:07.905 INFO [stderr] 
Nov 16 17:15:07.905 INFO [stderr] warning: enum is never used: `ConsumeType`
Nov 16 17:15:07.905 INFO [stderr]   --> src/compiler/lex.rs:15:1
Nov 16 17:15:07.905 INFO [stderr]    |
Nov 16 17:15:07.905 INFO [stderr] 15 | enum ConsumeType { Ident, Number }
Nov 16 17:15:07.905 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 16 17:15:07.905 INFO [stderr] 
Nov 16 17:15:07.905 INFO [stderr] warning: struct is never constructed: `Tokenizer`
Nov 16 17:15:07.905 INFO [stderr]   --> src/compiler/lex.rs:17:1
Nov 16 17:15:07.905 INFO [stderr]    |
Nov 16 17:15:07.905 INFO [stderr] 17 | pub struct Tokenizer<'a> {
Nov 16 17:15:07.905 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.905 INFO [stderr] 
Nov 16 17:15:07.905 INFO [stderr] warning: method is never used: `new`
Nov 16 17:15:07.905 INFO [stderr]   --> src/compiler/lex.rs:21:5
Nov 16 17:15:07.905 INFO [stderr]    |
Nov 16 17:15:07.905 INFO [stderr] 21 |     pub fn new(input: &'a str) -> Self {
Nov 16 17:15:07.905 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.905 INFO [stderr] 
Nov 16 17:15:07.905 INFO [stderr] warning: method is never used: `tokenize`
Nov 16 17:15:07.905 INFO [stderr]   --> src/compiler/lex.rs:26:5
Nov 16 17:15:07.905 INFO [stderr]    |
Nov 16 17:15:07.905 INFO [stderr] 26 |     pub fn tokenize(&mut self) -> Vec<Token> {
Nov 16 17:15:07.905 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.905 INFO [stderr] 
Nov 16 17:15:07.905 INFO [stderr] warning: function is never used: `consume_ident`
Nov 16 17:15:07.905 INFO [stderr]   --> src/compiler/lex.rs:48:1
Nov 16 17:15:07.905 INFO [stderr]    |
Nov 16 17:15:07.905 INFO [stderr] 48 | fn consume_ident(peekable: &mut Peekable<Chars>) -> Token {
Nov 16 17:15:07.905 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.905 INFO [stderr] 
Nov 16 17:15:07.905 INFO [stderr] warning: function is never used: `consume_number`
Nov 16 17:15:07.905 INFO [stderr]   --> src/compiler/lex.rs:53:1
Nov 16 17:15:07.905 INFO [stderr]    |
Nov 16 17:15:07.905 INFO [stderr] 53 | fn consume_number(peekable: &mut Peekable<Chars>) -> Token {
Nov 16 17:15:07.905 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.905 INFO [stderr] 
Nov 16 17:15:07.905 INFO [stderr] warning: function is never used: `valid_token_char`
Nov 16 17:15:07.905 INFO [stderr]   --> src/compiler/lex.rs:58:1
Nov 16 17:15:07.905 INFO [stderr]    |
Nov 16 17:15:07.905 INFO [stderr] 58 | fn valid_token_char(ch: &char, tt: ConsumeType) -> bool {
Nov 16 17:15:07.905 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.905 INFO [stderr] 
Nov 16 17:15:07.905 INFO [stderr] warning: function is never used: `shunting_yard`
Nov 16 17:15:07.905 INFO [stderr]   --> src/compiler/lex.rs:71:1
Nov 16 17:15:07.905 INFO [stderr]    |
Nov 16 17:15:07.905 INFO [stderr] 71 | pub fn shunting_yard(tokens: Vec<Token>) -> Vec<Token> {
Nov 16 17:15:07.905 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.905 INFO [stderr] 
Nov 16 17:15:07.911 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 16 17:15:07.911 INFO [stderr]   --> src/compiler/lex.rs:38:73
Nov 16 17:15:07.911 INFO [stderr]    |
Nov 16 17:15:07.911 INFO [stderr] 38 |                     ')'             => {tokens.push(Token::RightParen); chars.take(1).collect::<String>();},
Nov 16 17:15:07.911 INFO [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.911 INFO [stderr]    |
Nov 16 17:15:07.911 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 16 17:15:07.911 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 16 17:15:07.911 INFO [stderr] 
Nov 16 17:15:07.911 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 16 17:15:07.911 INFO [stderr]   --> src/compiler/lex.rs:39:72
Nov 16 17:15:07.911 INFO [stderr]    |
Nov 16 17:15:07.911 INFO [stderr] 39 |                     '('             => {tokens.push(Token::LeftParen); chars.take(1).collect::<String>();},
Nov 16 17:15:07.911 INFO [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.911 INFO [stderr]    |
Nov 16 17:15:07.911 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 16 17:15:07.911 INFO [stderr] 
Nov 16 17:15:07.911 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 16 17:15:07.911 INFO [stderr]   --> src/compiler/lex.rs:40:42
Nov 16 17:15:07.911 INFO [stderr]    |
Nov 16 17:15:07.911 INFO [stderr] 40 |                     ' '             => { chars.take(1).collect::<String>(); }
Nov 16 17:15:07.911 INFO [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:15:07.911 INFO [stderr]    |
Nov 16 17:15:07.911 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 16 17:15:07.911 INFO [stderr] 
Nov 16 17:15:09.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.70s
Nov 16 17:15:09.935 INFO [stderr] su: No module specific data is present
Nov 16 17:15:10.527 INFO running `"docker" "inspect" "7b28a527e91b0cb31e4f50e0fe80d4e87029d83bdaf50628acc9459d9f6213ae"`
Nov 16 17:15:10.827 INFO running `"docker" "rm" "-f" "7b28a527e91b0cb31e4f50e0fe80d4e87029d83bdaf50628acc9459d9f6213ae"`
Nov 16 17:15:11.159 INFO [stdout] 7b28a527e91b0cb31e4f50e0fe80d4e87029d83bdaf50628acc9459d9f6213ae
Nov 16 17:15:11.161 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 17:15:11.652 INFO [stdout] 76e9eeb6f92bcaca52c082f9ba9ed2617f6a7c7496db051a395dc82d734bbbfc
Nov 16 17:15:11.657 INFO running `"docker" "start" "-a" "76e9eeb6f92bcaca52c082f9ba9ed2617f6a7c7496db051a395dc82d734bbbfc"`
Nov 16 17:15:12.530 INFO [stderr] usermod: no changes
Nov 16 17:15:12.746 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
Nov 16 17:15:12.746 INFO [stderr]      Running /target/debug/deps/slang-1b668d032ab39b45
Nov 16 17:15:12.759 INFO [stdout] 
Nov 16 17:15:12.759 INFO [stdout] running 15 tests
Nov 16 17:15:12.759 INFO [stdout] test assembler::test_new_assembler ... ok
Nov 16 17:15:12.759 INFO [stdout] test assembler::test_to_bytes_32 ... ok
Nov 16 17:15:12.759 INFO [stdout] test stack::test_stack_init ... ok
Nov 16 17:15:12.759 INFO [stdout] test stack::test_stack_peek ... ok
Nov 16 17:15:12.759 INFO [stdout] test program::test_next_halfword ... ok
Nov 16 17:15:12.759 INFO [stdout] test program::test_reset ... ok
Nov 16 17:15:12.759 INFO [stdout] test program::test_next_code ... ok
Nov 16 17:15:12.759 INFO [stdout] test program::test_jump_to ... ok
Nov 16 17:15:12.759 INFO [stdout] test program::test_next_byte ... ok
Nov 16 17:15:12.759 INFO [stdout] test program::test_load_bytes ... ok
Nov 16 17:15:12.759 INFO [stdout] test stack::test_stack_pull ... ok
Nov 16 17:15:12.759 INFO [stdout] test stack::test_stack_push ... ok
Nov 16 17:15:12.759 INFO [stdout] test vm::test_fetch_instruction ... ok
Nov 16 17:15:12.759 INFO [stdout] test vm::test_swap_instruction ... ok
Nov 16 17:15:12.759 INFO [stdout] test vm::test_vm_new ... ok
Nov 16 17:15:12.759 INFO [stdout] 
Nov 16 17:15:12.759 INFO [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 17:15:12.759 INFO [stdout] 
Nov 16 17:15:12.775 INFO [stderr] su: No module specific data is present
Nov 16 17:15:13.399 INFO running `"docker" "inspect" "76e9eeb6f92bcaca52c082f9ba9ed2617f6a7c7496db051a395dc82d734bbbfc"`
Nov 16 17:15:13.635 INFO running `"docker" "rm" "-f" "76e9eeb6f92bcaca52c082f9ba9ed2617f6a7c7496db051a395dc82d734bbbfc"`
Nov 16 17:15:14.019 INFO [stdout] 76e9eeb6f92bcaca52c082f9ba9ed2617f6a7c7496db051a395dc82d734bbbfc