Dec 13 07:50:24.087 INFO testing patallen/SlangVM against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 07:50:24.087 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13 07:50:24.635 INFO [stdout] 7026d39dac4a39407c1441246a98736b20d07a0df7d5043ac71feb3260f5dce1
Dec 13 07:50:24.637 INFO running `"docker" "start" "-a" "7026d39dac4a39407c1441246a98736b20d07a0df7d5043ac71feb3260f5dce1"`
Dec 13 07:50:25.987 INFO [stderr] usermod: no changes
Dec 13 07:50:26.123 INFO [stderr]    Compiling either v1.1.0
Dec 13 07:50:26.123 INFO [stderr]    Compiling miniz-sys v0.1.9
Dec 13 07:50:26.123 INFO [stderr]    Compiling humantime v1.0.0
Dec 13 07:50:26.123 INFO [stderr]    Compiling ordered-float v0.4.0
Dec 13 07:50:26.128 INFO [stderr]    Compiling serde_yaml v0.7.0
Dec 13 07:50:26.128 INFO [stderr]    Compiling serde_derive v1.0.4
Dec 13 07:50:27.075 INFO [stderr]    Compiling itertools v0.6.0
Dec 13 07:50:28.860 INFO [stderr]    Compiling serde-value v0.5.0
Dec 13 07:50:31.133 INFO [stderr]    Compiling flate2 v0.2.19
Dec 13 07:50:38.459 INFO [stderr]    Compiling log4rs v0.7.0
Dec 13 07:50:49.955 INFO [stderr]    Compiling slang v0.1.0 (/source)
Dec 13 07:50:51.801 INFO [stderr] warning: unused import: `assembler::lexer::Lexer`
Dec 13 07:50:51.801 INFO [stderr]   --> src/main.rs:23:5
Dec 13 07:50:51.801 INFO [stderr]    |
Dec 13 07:50:51.801 INFO [stderr] 23 | use assembler::lexer::Lexer;
Dec 13 07:50:51.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:51.801 INFO [stderr]    |
Dec 13 07:50:51.801 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 07:50:51.801 INFO [stderr] 
Dec 13 07:50:51.801 INFO [stderr] warning: unused imports: `Tokenizer`, `shunting_yard`
Dec 13 07:50:51.801 INFO [stderr]   --> src/main.rs:24:21
Dec 13 07:50:51.801 INFO [stderr]    |
Dec 13 07:50:51.801 INFO [stderr] 24 | use compiler::lex::{Tokenizer, shunting_yard};
Dec 13 07:50:51.801 INFO [stderr]    |                     ^^^^^^^^^  ^^^^^^^^^^^^^
Dec 13 07:50:51.801 INFO [stderr] 
Dec 13 07:50:52.144 INFO [stderr] warning: method is never used: `next_code`
Dec 13 07:50:52.144 INFO [stderr]   --> src/program.rs:28:5
Dec 13 07:50:52.144 INFO [stderr]    |
Dec 13 07:50:52.144 INFO [stderr] 28 |     pub fn next_code(&mut self) -> u16 {
Dec 13 07:50:52.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.144 INFO [stderr]    |
Dec 13 07:50:52.144 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 07:50:52.144 INFO [stderr] 
Dec 13 07:50:52.144 INFO [stderr] warning: method is never used: `reset`
Dec 13 07:50:52.144 INFO [stderr]   --> src/program.rs:41:5
Dec 13 07:50:52.144 INFO [stderr]    |
Dec 13 07:50:52.144 INFO [stderr] 41 |     pub fn reset(&mut self) {
Dec 13 07:50:52.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.144 INFO [stderr] 
Dec 13 07:50:52.144 INFO [stderr] warning: enum is never used: `Token`
Dec 13 07:50:52.144 INFO [stderr]  --> src/compiler/lex.rs:7:1
Dec 13 07:50:52.144 INFO [stderr]   |
Dec 13 07:50:52.144 INFO [stderr] 7 | pub enum Token {
Dec 13 07:50:52.144 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 13 07:50:52.144 INFO [stderr] 
Dec 13 07:50:52.144 INFO [stderr] warning: enum is never used: `ConsumeType`
Dec 13 07:50:52.144 INFO [stderr]   --> src/compiler/lex.rs:15:1
Dec 13 07:50:52.144 INFO [stderr]    |
Dec 13 07:50:52.144 INFO [stderr] 15 | enum ConsumeType { Ident, Number }
Dec 13 07:50:52.144 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 13 07:50:52.145 INFO [stderr] 
Dec 13 07:50:52.145 INFO [stderr] warning: struct is never constructed: `Tokenizer`
Dec 13 07:50:52.145 INFO [stderr]   --> src/compiler/lex.rs:17:1
Dec 13 07:50:52.145 INFO [stderr]    |
Dec 13 07:50:52.145 INFO [stderr] 17 | pub struct Tokenizer<'a> {
Dec 13 07:50:52.145 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.145 INFO [stderr] 
Dec 13 07:50:52.145 INFO [stderr] warning: method is never used: `new`
Dec 13 07:50:52.145 INFO [stderr]   --> src/compiler/lex.rs:21:5
Dec 13 07:50:52.145 INFO [stderr]    |
Dec 13 07:50:52.145 INFO [stderr] 21 |     pub fn new(input: &'a str) -> Self {
Dec 13 07:50:52.145 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.145 INFO [stderr] 
Dec 13 07:50:52.145 INFO [stderr] warning: method is never used: `tokenize`
Dec 13 07:50:52.145 INFO [stderr]   --> src/compiler/lex.rs:26:5
Dec 13 07:50:52.145 INFO [stderr]    |
Dec 13 07:50:52.145 INFO [stderr] 26 |     pub fn tokenize(&mut self) -> Vec<Token> {
Dec 13 07:50:52.145 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.145 INFO [stderr] 
Dec 13 07:50:52.145 INFO [stderr] warning: function is never used: `consume_ident`
Dec 13 07:50:52.145 INFO [stderr]   --> src/compiler/lex.rs:48:1
Dec 13 07:50:52.145 INFO [stderr]    |
Dec 13 07:50:52.145 INFO [stderr] 48 | fn consume_ident(peekable: &mut Peekable<Chars>) -> Token {
Dec 13 07:50:52.145 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.145 INFO [stderr] 
Dec 13 07:50:52.145 INFO [stderr] warning: function is never used: `consume_number`
Dec 13 07:50:52.145 INFO [stderr]   --> src/compiler/lex.rs:53:1
Dec 13 07:50:52.145 INFO [stderr]    |
Dec 13 07:50:52.145 INFO [stderr] 53 | fn consume_number(peekable: &mut Peekable<Chars>) -> Token {
Dec 13 07:50:52.145 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.145 INFO [stderr] 
Dec 13 07:50:52.145 INFO [stderr] warning: function is never used: `valid_token_char`
Dec 13 07:50:52.145 INFO [stderr]   --> src/compiler/lex.rs:58:1
Dec 13 07:50:52.145 INFO [stderr]    |
Dec 13 07:50:52.145 INFO [stderr] 58 | fn valid_token_char(ch: &char, tt: ConsumeType) -> bool {
Dec 13 07:50:52.145 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.145 INFO [stderr] 
Dec 13 07:50:52.145 INFO [stderr] warning: function is never used: `shunting_yard`
Dec 13 07:50:52.145 INFO [stderr]   --> src/compiler/lex.rs:71:1
Dec 13 07:50:52.145 INFO [stderr]    |
Dec 13 07:50:52.145 INFO [stderr] 71 | pub fn shunting_yard(tokens: Vec<Token>) -> Vec<Token> {
Dec 13 07:50:52.145 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.145 INFO [stderr] 
Dec 13 07:50:52.145 INFO [stderr] warning: field is never used: `current_line`
Dec 13 07:50:52.145 INFO [stderr]   --> src/assembler/mod.rs:12:5
Dec 13 07:50:52.145 INFO [stderr]    |
Dec 13 07:50:52.145 INFO [stderr] 12 |     current_line: usize,
Dec 13 07:50:52.146 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.146 INFO [stderr] 
Dec 13 07:50:52.146 INFO [stderr] warning: field is never used: `errors`
Dec 13 07:50:52.146 INFO [stderr]   --> src/assembler/mod.rs:13:5
Dec 13 07:50:52.146 INFO [stderr]    |
Dec 13 07:50:52.146 INFO [stderr] 13 |     errors: Vec<String>,
Dec 13 07:50:52.146 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.146 INFO [stderr] 
Dec 13 07:50:52.147 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:50:52.147 INFO [stderr]   --> src/compiler/lex.rs:38:73
Dec 13 07:50:52.147 INFO [stderr]    |
Dec 13 07:50:52.147 INFO [stderr] 38 |                     ')'             => {tokens.push(Token::RightParen); chars.take(1).collect::<String>();},
Dec 13 07:50:52.147 INFO [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.147 INFO [stderr]    |
Dec 13 07:50:52.147 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 07:50:52.147 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:50:52.147 INFO [stderr] 
Dec 13 07:50:52.148 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:50:52.148 INFO [stderr]   --> src/compiler/lex.rs:39:72
Dec 13 07:50:52.148 INFO [stderr]    |
Dec 13 07:50:52.148 INFO [stderr] 39 |                     '('             => {tokens.push(Token::LeftParen); chars.take(1).collect::<String>();},
Dec 13 07:50:52.148 INFO [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.148 INFO [stderr]    |
Dec 13 07:50:52.148 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:50:52.148 INFO [stderr] 
Dec 13 07:50:52.148 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:50:52.148 INFO [stderr]   --> src/compiler/lex.rs:40:42
Dec 13 07:50:52.148 INFO [stderr]    |
Dec 13 07:50:52.148 INFO [stderr] 40 |                     ' '             => { chars.take(1).collect::<String>(); }
Dec 13 07:50:52.148 INFO [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:50:52.148 INFO [stderr]    |
Dec 13 07:50:52.148 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:50:52.148 INFO [stderr] 
Dec 13 07:50:55.687 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.68s
Dec 13 07:50:55.695 INFO [stderr] su: No module specific data is present
Dec 13 07:50:56.625 INFO running `"docker" "inspect" "7026d39dac4a39407c1441246a98736b20d07a0df7d5043ac71feb3260f5dce1"`
Dec 13 07:50:56.915 INFO running `"docker" "rm" "-f" "7026d39dac4a39407c1441246a98736b20d07a0df7d5043ac71feb3260f5dce1"`
Dec 13 07:50:57.350 INFO [stdout] 7026d39dac4a39407c1441246a98736b20d07a0df7d5043ac71feb3260f5dce1
Dec 13 07:50:57.357 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13 07:50:57.892 INFO [stdout] cefbfc574f840e3f07fa9bac18472db830ac23a85210d943523df5e6ea32204b
Dec 13 07:50:57.895 INFO running `"docker" "start" "-a" "cefbfc574f840e3f07fa9bac18472db830ac23a85210d943523df5e6ea32204b"`
Dec 13 07:50:59.558 INFO [stderr] usermod: no changes
Dec 13 07:50:59.677 INFO [stderr]    Compiling slang v0.1.0 (/source)
Dec 13 07:51:01.093 INFO [stderr] warning: unused import: `assembler::lexer::Lexer`
Dec 13 07:51:01.093 INFO [stderr]   --> src/main.rs:23:5
Dec 13 07:51:01.093 INFO [stderr]    |
Dec 13 07:51:01.093 INFO [stderr] 23 | use assembler::lexer::Lexer;
Dec 13 07:51:01.093 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.093 INFO [stderr]    |
Dec 13 07:51:01.093 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 07:51:01.093 INFO [stderr] 
Dec 13 07:51:01.093 INFO [stderr] warning: unused imports: `Tokenizer`, `shunting_yard`
Dec 13 07:51:01.093 INFO [stderr]   --> src/main.rs:24:21
Dec 13 07:51:01.093 INFO [stderr]    |
Dec 13 07:51:01.093 INFO [stderr] 24 | use compiler::lex::{Tokenizer, shunting_yard};
Dec 13 07:51:01.093 INFO [stderr]    |                     ^^^^^^^^^  ^^^^^^^^^^^^^
Dec 13 07:51:01.093 INFO [stderr] 
Dec 13 07:51:01.491 INFO [stderr] warning: enum is never used: `Token`
Dec 13 07:51:01.491 INFO [stderr]  --> src/compiler/lex.rs:7:1
Dec 13 07:51:01.491 INFO [stderr]   |
Dec 13 07:51:01.491 INFO [stderr] 7 | pub enum Token {
Dec 13 07:51:01.491 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 13 07:51:01.491 INFO [stderr]   |
Dec 13 07:51:01.491 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 07:51:01.491 INFO [stderr] 
Dec 13 07:51:01.491 INFO [stderr] warning: enum is never used: `ConsumeType`
Dec 13 07:51:01.491 INFO [stderr]   --> src/compiler/lex.rs:15:1
Dec 13 07:51:01.491 INFO [stderr]    |
Dec 13 07:51:01.491 INFO [stderr] 15 | enum ConsumeType { Ident, Number }
Dec 13 07:51:01.491 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 13 07:51:01.491 INFO [stderr] 
Dec 13 07:51:01.491 INFO [stderr] warning: struct is never constructed: `Tokenizer`
Dec 13 07:51:01.491 INFO [stderr]   --> src/compiler/lex.rs:17:1
Dec 13 07:51:01.491 INFO [stderr]    |
Dec 13 07:51:01.491 INFO [stderr] 17 | pub struct Tokenizer<'a> {
Dec 13 07:51:01.491 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.491 INFO [stderr] 
Dec 13 07:51:01.491 INFO [stderr] warning: method is never used: `new`
Dec 13 07:51:01.491 INFO [stderr]   --> src/compiler/lex.rs:21:5
Dec 13 07:51:01.491 INFO [stderr]    |
Dec 13 07:51:01.491 INFO [stderr] 21 |     pub fn new(input: &'a str) -> Self {
Dec 13 07:51:01.491 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.491 INFO [stderr] 
Dec 13 07:51:01.491 INFO [stderr] warning: method is never used: `tokenize`
Dec 13 07:51:01.491 INFO [stderr]   --> src/compiler/lex.rs:26:5
Dec 13 07:51:01.491 INFO [stderr]    |
Dec 13 07:51:01.491 INFO [stderr] 26 |     pub fn tokenize(&mut self) -> Vec<Token> {
Dec 13 07:51:01.491 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.491 INFO [stderr] 
Dec 13 07:51:01.491 INFO [stderr] warning: function is never used: `consume_ident`
Dec 13 07:51:01.491 INFO [stderr]   --> src/compiler/lex.rs:48:1
Dec 13 07:51:01.491 INFO [stderr]    |
Dec 13 07:51:01.491 INFO [stderr] 48 | fn consume_ident(peekable: &mut Peekable<Chars>) -> Token {
Dec 13 07:51:01.491 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.491 INFO [stderr] 
Dec 13 07:51:01.491 INFO [stderr] warning: function is never used: `consume_number`
Dec 13 07:51:01.491 INFO [stderr]   --> src/compiler/lex.rs:53:1
Dec 13 07:51:01.491 INFO [stderr]    |
Dec 13 07:51:01.491 INFO [stderr] 53 | fn consume_number(peekable: &mut Peekable<Chars>) -> Token {
Dec 13 07:51:01.491 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.491 INFO [stderr] 
Dec 13 07:51:01.491 INFO [stderr] warning: function is never used: `valid_token_char`
Dec 13 07:51:01.491 INFO [stderr]   --> src/compiler/lex.rs:58:1
Dec 13 07:51:01.491 INFO [stderr]    |
Dec 13 07:51:01.491 INFO [stderr] 58 | fn valid_token_char(ch: &char, tt: ConsumeType) -> bool {
Dec 13 07:51:01.491 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.492 INFO [stderr] 
Dec 13 07:51:01.492 INFO [stderr] warning: function is never used: `shunting_yard`
Dec 13 07:51:01.492 INFO [stderr]   --> src/compiler/lex.rs:71:1
Dec 13 07:51:01.492 INFO [stderr]    |
Dec 13 07:51:01.492 INFO [stderr] 71 | pub fn shunting_yard(tokens: Vec<Token>) -> Vec<Token> {
Dec 13 07:51:01.492 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.492 INFO [stderr] 
Dec 13 07:51:01.503 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:51:01.503 INFO [stderr]   --> src/compiler/lex.rs:38:73
Dec 13 07:51:01.503 INFO [stderr]    |
Dec 13 07:51:01.503 INFO [stderr] 38 |                     ')'             => {tokens.push(Token::RightParen); chars.take(1).collect::<String>();},
Dec 13 07:51:01.503 INFO [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.503 INFO [stderr]    |
Dec 13 07:51:01.503 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 07:51:01.503 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:51:01.503 INFO [stderr] 
Dec 13 07:51:01.503 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:51:01.503 INFO [stderr]   --> src/compiler/lex.rs:39:72
Dec 13 07:51:01.503 INFO [stderr]    |
Dec 13 07:51:01.503 INFO [stderr] 39 |                     '('             => {tokens.push(Token::LeftParen); chars.take(1).collect::<String>();},
Dec 13 07:51:01.503 INFO [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.503 INFO [stderr]    |
Dec 13 07:51:01.503 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:51:01.503 INFO [stderr] 
Dec 13 07:51:01.503 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 13 07:51:01.503 INFO [stderr]   --> src/compiler/lex.rs:40:42
Dec 13 07:51:01.503 INFO [stderr]    |
Dec 13 07:51:01.503 INFO [stderr] 40 |                     ' '             => { chars.take(1).collect::<String>(); }
Dec 13 07:51:01.503 INFO [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 07:51:01.503 INFO [stderr]    |
Dec 13 07:51:01.503 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 13 07:51:01.503 INFO [stderr] 
Dec 13 07:51:03.738 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
Dec 13 07:51:03.746 INFO [stderr] su: No module specific data is present
Dec 13 07:51:04.978 INFO running `"docker" "inspect" "cefbfc574f840e3f07fa9bac18472db830ac23a85210d943523df5e6ea32204b"`
Dec 13 07:51:05.239 INFO running `"docker" "rm" "-f" "cefbfc574f840e3f07fa9bac18472db830ac23a85210d943523df5e6ea32204b"`
Dec 13 07:51:05.635 INFO [stdout] cefbfc574f840e3f07fa9bac18472db830ac23a85210d943523df5e6ea32204b
Dec 13 07:51:05.643 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13 07:51:06.015 INFO [stdout] 86f4f8efda1bdf281698f13b867c00531426a4340199f90bd645c869ef45d659
Dec 13 07:51:06.017 INFO running `"docker" "start" "-a" "86f4f8efda1bdf281698f13b867c00531426a4340199f90bd645c869ef45d659"`
Dec 13 07:51:07.654 INFO [stderr] usermod: no changes
Dec 13 07:51:07.823 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
Dec 13 07:51:07.839 INFO [stderr]      Running /target/debug/deps/slang-e84ad450e9198823
Dec 13 07:51:07.843 INFO [stdout] 
Dec 13 07:51:07.843 INFO [stdout] running 15 tests
Dec 13 07:51:07.843 INFO [stdout] test program::test_next_code ... ok
Dec 13 07:51:07.843 INFO [stdout] test program::test_next_halfword ... ok
Dec 13 07:51:07.843 INFO [stdout] test program::test_reset ... ok
Dec 13 07:51:07.843 INFO [stdout] test stack::test_stack_init ... ok
Dec 13 07:51:07.843 INFO [stdout] test program::test_next_byte ... ok
Dec 13 07:51:07.843 INFO [stdout] test stack::test_stack_peek ... ok
Dec 13 07:51:07.843 INFO [stdout] test stack::test_stack_pull ... ok
Dec 13 07:51:07.843 INFO [stdout] test stack::test_stack_push ... ok
Dec 13 07:51:07.843 INFO [stdout] test vm::test_swap_instruction ... ok
Dec 13 07:51:07.843 INFO [stdout] test vm::test_fetch_instruction ... ok
Dec 13 07:51:07.844 INFO [stdout] test program::test_jump_to ... ok
Dec 13 07:51:07.847 INFO [stdout] test program::test_load_bytes ... ok
Dec 13 07:51:07.852 INFO [stdout] test assembler::test_new_assembler ... ok
Dec 13 07:51:07.852 INFO [stdout] test assembler::test_to_bytes_32 ... ok
Dec 13 07:51:07.852 INFO [stdout] test vm::test_vm_new ... ok
Dec 13 07:51:07.852 INFO [stdout] 
Dec 13 07:51:07.852 INFO [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 07:51:07.852 INFO [stdout] 
Dec 13 07:51:07.859 INFO [stderr] su: No module specific data is present
Dec 13 07:51:09.029 INFO running `"docker" "inspect" "86f4f8efda1bdf281698f13b867c00531426a4340199f90bd645c869ef45d659"`
Dec 13 07:51:09.333 INFO running `"docker" "rm" "-f" "86f4f8efda1bdf281698f13b867c00531426a4340199f90bd645c869ef45d659"`
Dec 13 07:51:09.643 INFO [stdout] 86f4f8efda1bdf281698f13b867c00531426a4340199f90bd645c869ef45d659