[INFO] updating cached repository https://github.com/AmaranthineCodices/rust-cc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aadbf5067e0dfab4adc806fbef40ba0dde6b67b9
[INFO] checking AmaranthineCodices/rust-cc against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmaranthineCodices%2Frust-cc" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AmaranthineCodices/rust-cc on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AmaranthineCodices/rust-cc
[INFO] finished tweaking git repo https://github.com/AmaranthineCodices/rust-cc
[INFO] tweaked toml for git repo https://github.com/AmaranthineCodices/rust-cc written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/AmaranthineCodices/rust-cc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 963e0cca7352eef0597c6c03876fcdf671b12a9e09a4f5381732a3abee142ff3
[INFO] running `"docker" "start" "-a" "963e0cca7352eef0597c6c03876fcdf671b12a9e09a4f5381732a3abee142ff3"`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking rust-cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / lazy_static! {
[INFO] [stderr] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stderr] 37 | |         "return", "int"
[INFO] [stderr] 38 | |     ]);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Whitespace`
[INFO] [stderr]   --> src/lexer.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Whitespace(&'a str),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OpenBrace`
[INFO] [stderr]   --> src/lexer.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     OpenBrace,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CloseBrace`
[INFO] [stderr]   --> src/lexer.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     CloseBrace,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OpenParen`
[INFO] [stderr]   --> src/lexer.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     OpenParen,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CloseParen`
[INFO] [stderr]   --> src/lexer.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     CloseParen,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Semicolon`
[INFO] [stderr]   --> src/lexer.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Semicolon,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Keyword`
[INFO] [stderr]   --> src/lexer.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Keyword(&'a str),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/lexer.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Identifier(&'a str),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IntLiteral`
[INFO] [stderr]   --> src/lexer.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     IntLiteral(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnrecognizedInput`
[INFO] [stderr]   --> src/lexer.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     UnrecognizedInput { line: usize, column: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_get`
[INFO] [stderr]   --> src/lexer.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn try_get<'a, F>(current_input: &'a str, pattern: &Regex, transformer: F) -> Option<(&'a str, &'a str, LexemeKind<'a>)>
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_identifier_str`
[INFO] [stderr]   --> src/lexer.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn convert_identifier_str<'a>(identifier: &'a str) -> LexemeKind<'a> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_symbol_str`
[INFO] [stderr]   --> src/lexer.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn convert_symbol_str<'a>(symbol: &'a str) -> LexemeKind<'a> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_next_token`
[INFO] [stderr]   --> src/lexer.rs:80:4
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn get_next_token<'a>(current_input: &'a str) -> Option<(&'a str, &'a str, LexemeKind<'a>)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lex_str`
[INFO] [stderr]   --> src/lexer.rs:87:8
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub fn lex_str(input: &str) -> Result<Vec<Lexeme>, LexError> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `"docker" "inspect" "963e0cca7352eef0597c6c03876fcdf671b12a9e09a4f5381732a3abee142ff3"`
[INFO] running `"docker" "rm" "-f" "963e0cca7352eef0597c6c03876fcdf671b12a9e09a4f5381732a3abee142ff3"`
[INFO] [stdout] 963e0cca7352eef0597c6c03876fcdf671b12a9e09a4f5381732a3abee142ff3