[INFO] cloning repository https://github.com/LPGhatguy/rust-c-compiler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LPGhatguy/rust-c-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLPGhatguy%2Frust-c-compiler"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLPGhatguy%2Frust-c-compiler'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6f5e0790808999f2178dcf3282c777fd10b4de8e
[INFO] testing LPGhatguy/rust-c-compiler against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLPGhatguy%2Frust-c-compiler" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LPGhatguy/rust-c-compiler on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LPGhatguy/rust-c-compiler
[INFO] finished tweaking git repo https://github.com/LPGhatguy/rust-c-compiler
[INFO] tweaked toml for git repo https://github.com/LPGhatguy/rust-c-compiler written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/LPGhatguy/rust-c-compiler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bcf90196dd27824c23c25e068872c304e257bd62bbccd5eccaae4e2fc9c1caef
[INFO] running `"docker" "start" "-a" "bcf90196dd27824c23c25e068872c304e257bd62bbccd5eccaae4e2fc9c1caef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[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 regex v0.2.3
[INFO] [stderr]    Compiling rcc 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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `"docker" "inspect" "bcf90196dd27824c23c25e068872c304e257bd62bbccd5eccaae4e2fc9c1caef"`
[INFO] running `"docker" "rm" "-f" "bcf90196dd27824c23c25e068872c304e257bd62bbccd5eccaae4e2fc9c1caef"`
[INFO] [stdout] bcf90196dd27824c23c25e068872c304e257bd62bbccd5eccaae4e2fc9c1caef
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22315b74449af1c2d266716d6b096bb3e1573c93cfda4427c0804f8ec3cf8797
[INFO] running `"docker" "start" "-a" "22315b74449af1c2d266716d6b096bb3e1573c93cfda4427c0804f8ec3cf8797"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rcc 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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / lazy_static! {
[INFO] [stderr] 20 | |     static ref PATTERN_WHITESPACE: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 21 | |     static ref PATTERN_KEYWORD: Regex = Regex::new(r"^(int|return)").unwrap();
[INFO] [stderr] 22 | |     static ref PATTERN_IDENTIFIER: Regex = Regex::new(r"^[a-zA-Z]\w*").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     static ref PATTERN_SEMICOLON: Regex = Regex::new(r"^;").unwrap();
[INFO] [stderr] 31 | | }
[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] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lexer.rs:52:45
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let (rest, token) = try_advance(source, pattern, |s| Token::Keyword(s)).expect("Unable to advance pattern!");
[INFO] [stderr]    |                                             ^^^^^^^
[INFO] [stderr]    |                                             |
[INFO] [stderr]    |                                             expected `&regex::Regex`, found struct `regex::Regex`
[INFO] [stderr]    |                                             help: consider borrowing here: `&pattern`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `rcc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "22315b74449af1c2d266716d6b096bb3e1573c93cfda4427c0804f8ec3cf8797"`
[INFO] running `"docker" "rm" "-f" "22315b74449af1c2d266716d6b096bb3e1573c93cfda4427c0804f8ec3cf8797"`
[INFO] [stdout] 22315b74449af1c2d266716d6b096bb3e1573c93cfda4427c0804f8ec3cf8797