Dec 12 03:59:46.188 INFO checking AmaranthineCodices/rust-cc against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 03:59:46.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 12 03:59:46.690 INFO [stdout] 237903a76d4103003e99b9228b2a41071bf1da23c2a1a286e6d1c47ba0fcc67d
Dec 12 03:59:46.692 INFO running `"docker" "start" "-a" "237903a76d4103003e99b9228b2a41071bf1da23c2a1a286e6d1c47ba0fcc67d"`
Dec 12 03:59:49.528 INFO [stderr] usermod: no changes
Dec 12 03:59:49.716 INFO [stderr]     Checking regex v0.2.10
Dec 12 03:59:52.520 INFO [stderr]     Checking rust-cc v0.1.0 (/source)
Dec 12 03:59:54.012 INFO [stderr] warning: variant is never constructed: `Whitespace`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:11:5
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 11 |     Whitespace(&'a str),
Dec 12 03:59:54.013 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: variant is never constructed: `OpenBrace`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:12:5
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 12 |     OpenBrace,
Dec 12 03:59:54.013 INFO [stderr]    |     ^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: variant is never constructed: `CloseBrace`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:13:5
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 13 |     CloseBrace,
Dec 12 03:59:54.013 INFO [stderr]    |     ^^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: variant is never constructed: `OpenParen`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:14:5
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 14 |     OpenParen,
Dec 12 03:59:54.013 INFO [stderr]    |     ^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: variant is never constructed: `CloseParen`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:15:5
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 15 |     CloseParen,
Dec 12 03:59:54.013 INFO [stderr]    |     ^^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: variant is never constructed: `Semicolon`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:16:5
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 16 |     Semicolon,
Dec 12 03:59:54.013 INFO [stderr]    |     ^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: variant is never constructed: `Keyword`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:17:5
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 17 |     Keyword(&'a str),
Dec 12 03:59:54.013 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: variant is never constructed: `Identifier`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:18:5
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 18 |     Identifier(&'a str),
Dec 12 03:59:54.013 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: variant is never constructed: `IntLiteral`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:19:5
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 19 |     IntLiteral(i32),
Dec 12 03:59:54.013 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: enum is never used: `LexError`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:30:1
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 30 | pub enum LexError {
Dec 12 03:59:54.013 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: function is never used: `try_get`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:47:1
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 47 | / fn try_get<'a, F>(current_input: &'a str, pattern: &Regex, transformer: F) -> Option<(&'a str, &'a str, LexemeKind<'a>)>
Dec 12 03:59:54.013 INFO [stderr] 48 | | where F: Fn(&'a str) -> LexemeKind<'a>,
Dec 12 03:59:54.013 INFO [stderr] 49 | | {
Dec 12 03:59:54.013 INFO [stderr] 50 | |     if let Some(matched_result) = pattern.find(current_input) {
Dec 12 03:59:54.013 INFO [stderr] ...  |
Dec 12 03:59:54.013 INFO [stderr] 57 | |     }
Dec 12 03:59:54.013 INFO [stderr] 58 | | }
Dec 12 03:59:54.013 INFO [stderr]    | |_^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: function is never used: `convert_identifier_str`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:60:1
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 60 | fn convert_identifier_str<'a>(identifier: &'a str) -> LexemeKind<'a> {
Dec 12 03:59:54.013 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.013 INFO [stderr] warning: function is never used: `convert_symbol_str`
Dec 12 03:59:54.013 INFO [stderr]   --> src/lexer.rs:69:1
Dec 12 03:59:54.013 INFO [stderr]    |
Dec 12 03:59:54.013 INFO [stderr] 69 | fn convert_symbol_str<'a>(symbol: &'a str) -> LexemeKind<'a> {
Dec 12 03:59:54.013 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:59:54.013 INFO [stderr] 
Dec 12 03:59:54.014 INFO [stderr] warning: function is never used: `get_next_token`
Dec 12 03:59:54.014 INFO [stderr]   --> src/lexer.rs:80:1
Dec 12 03:59:54.014 INFO [stderr]    |
Dec 12 03:59:54.014 INFO [stderr] 80 | fn get_next_token<'a>(current_input: &'a str) -> Option<(&'a str, &'a str, LexemeKind<'a>)> {
Dec 12 03:59:54.014 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:59:54.014 INFO [stderr] 
Dec 12 03:59:54.014 INFO [stderr] warning: function is never used: `lex_str`
Dec 12 03:59:54.014 INFO [stderr]   --> src/lexer.rs:87:1
Dec 12 03:59:54.014 INFO [stderr]    |
Dec 12 03:59:54.014 INFO [stderr] 87 | pub fn lex_str(input: &str) -> Result<Vec<Lexeme>, LexError> {
Dec 12 03:59:54.014 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:59:54.014 INFO [stderr] 
Dec 12 03:59:54.569 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
Dec 12 03:59:54.572 INFO [stderr] su: No module specific data is present
Dec 12 03:59:55.844 INFO running `"docker" "inspect" "237903a76d4103003e99b9228b2a41071bf1da23c2a1a286e6d1c47ba0fcc67d"`
Dec 12 03:59:56.196 INFO running `"docker" "rm" "-f" "237903a76d4103003e99b9228b2a41071bf1da23c2a1a286e6d1c47ba0fcc67d"`
Dec 12 03:59:56.554 INFO [stdout] 237903a76d4103003e99b9228b2a41071bf1da23c2a1a286e6d1c47ba0fcc67d