[INFO] cloning repository https://github.com/AmaranthineCodices/rust-cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmaranthineCodices/rust-cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmaranthineCodices%2Frust-cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmaranthineCodices%2Frust-cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aadbf5067e0dfab4adc806fbef40ba0dde6b67b9
[INFO] testing AmaranthineCodices/rust-cc against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmaranthineCodices%2Frust-cc" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AmaranthineCodices/rust-cc on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] crate git repo https://github.com/AmaranthineCodices/rust-cc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 780a4d65c9edaa57d69aa1057528f0fbac6922656800d20ac09ed3cc88e24f49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "780a4d65c9edaa57d69aa1057528f0fbac6922656800d20ac09ed3cc88e24f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "780a4d65c9edaa57d69aa1057528f0fbac6922656800d20ac09ed3cc88e24f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780a4d65c9edaa57d69aa1057528f0fbac6922656800d20ac09ed3cc88e24f49", kill_on_drop: false }`
[INFO] [stdout] 780a4d65c9edaa57d69aa1057528f0fbac6922656800d20ac09ed3cc88e24f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ecf5ed3c72387288ce1e352e977b6108ca0d6271a6f6c41023da1a306f4e594
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ecf5ed3c72387288ce1e352e977b6108ca0d6271a6f6c41023da1a306f4e594", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling rust-cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Whitespace`
[INFO] [stdout]   --> src/lexer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Whitespace(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OpenBrace`
[INFO] [stdout]   --> src/lexer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     OpenBrace,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CloseBrace`
[INFO] [stdout]   --> src/lexer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     CloseBrace,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OpenParen`
[INFO] [stdout]   --> src/lexer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     OpenParen,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CloseParen`
[INFO] [stdout]   --> src/lexer.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     CloseParen,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Semicolon`
[INFO] [stdout]   --> src/lexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Semicolon,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Keyword`
[INFO] [stdout]   --> src/lexer.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Keyword(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/lexer.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Identifier(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IntLiteral`
[INFO] [stdout]   --> src/lexer.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     IntLiteral(i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnrecognizedInput`
[INFO] [stdout]   --> src/lexer.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     UnrecognizedInput { line: usize, column: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_get`
[INFO] [stdout]   --> src/lexer.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn try_get<'a, F>(current_input: &'a str, pattern: &Regex, transformer: F) -> Option<(&'a str, &'a str, LexemeKind<'a>)>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convert_identifier_str`
[INFO] [stdout]   --> src/lexer.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn convert_identifier_str<'a>(identifier: &'a str) -> LexemeKind<'a> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convert_symbol_str`
[INFO] [stdout]   --> src/lexer.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn convert_symbol_str<'a>(symbol: &'a str) -> LexemeKind<'a> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_next_token`
[INFO] [stdout]   --> src/lexer.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn get_next_token<'a>(current_input: &'a str) -> Option<(&'a str, &'a str, LexemeKind<'a>)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lex_str`
[INFO] [stdout]   --> src/lexer.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn lex_str(input: &str) -> Result<Vec<Lexeme>, LexError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.66s
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ecf5ed3c72387288ce1e352e977b6108ca0d6271a6f6c41023da1a306f4e594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecf5ed3c72387288ce1e352e977b6108ca0d6271a6f6c41023da1a306f4e594", kill_on_drop: false }`
[INFO] [stdout] 1ecf5ed3c72387288ce1e352e977b6108ca0d6271a6f6c41023da1a306f4e594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec3a308499bea57ca7ec1ad5e14da74031386df01660903a5b25e677b2c53c6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec3a308499bea57ca7ec1ad5e14da74031386df01660903a5b25e677b2c53c6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / lazy_static! {
[INFO] [stdout] 36 | |     static ref KEYWORDS: HashSet<&'static str> = HashSet::from_iter(vec![
[INFO] [stdout] 37 | |         "return", "int"
[INFO] [stdout] 38 | |     ]);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     static ref SYMBOL_REGEX: Regex = Regex::new(r"^[\(\)\{\};]").unwrap();
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "ec3a308499bea57ca7ec1ad5e14da74031386df01660903a5b25e677b2c53c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3a308499bea57ca7ec1ad5e14da74031386df01660903a5b25e677b2c53c6f", kill_on_drop: false }`
[INFO] [stdout] ec3a308499bea57ca7ec1ad5e14da74031386df01660903a5b25e677b2c53c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7d4aae994b09c425390c1f84d08c67ccad0f5a94fb972ba2ae25b22a75a53ce
[INFO] running `Command { std: "docker" "start" "-a" "b7d4aae994b09c425390c1f84d08c67ccad0f5a94fb972ba2ae25b22a75a53ce", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `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 constant `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 constant `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 constant `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 constant `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 constant `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: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_cc-7dfdeb1c9ff8002c
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lexer::test::lex_str_test ... ok
[INFO] [stdout] test lexer::test::lexing_symbols ... ok
[INFO] [stdout] test lexer::test::int_literals ... ok
[INFO] [stdout] test lexer::test::get_next_token_test ... ok
[INFO] [stdout] test lexer::test::lexing_identifiers_vs_keywords ... ok
[INFO] [stdout] test lexer::test::try_get_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7d4aae994b09c425390c1f84d08c67ccad0f5a94fb972ba2ae25b22a75a53ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d4aae994b09c425390c1f84d08c67ccad0f5a94fb972ba2ae25b22a75a53ce", kill_on_drop: false }`
[INFO] [stdout] b7d4aae994b09c425390c1f84d08c67ccad0f5a94fb972ba2ae25b22a75a53ce