[INFO] cloning repository https://github.com/GodTamIt/tiger-compiler-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GodTamIt/tiger-compiler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGodTamIt%2Ftiger-compiler-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGodTamIt%2Ftiger-compiler-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db3c1f50e45097e90ee029c88c7b80322c08c2fe
[INFO] checking GodTamIt/tiger-compiler-rs against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGodTamIt%2Ftiger-compiler-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GodTamIt/tiger-compiler-rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GodTamIt/tiger-compiler-rs
[INFO] finished tweaking git repo https://github.com/GodTamIt/tiger-compiler-rs
[INFO] tweaked toml for git repo https://github.com/GodTamIt/tiger-compiler-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/GodTamIt/tiger-compiler-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 617abd9057be3d892abb8eb41c5eb29c76cb492f79f459a22be74da13fdca335
[INFO] running `Command { std: "docker" "start" "-a" "617abd9057be3d892abb8eb41c5eb29c76cb492f79f459a22be74da13fdca335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "617abd9057be3d892abb8eb41c5eb29c76cb492f79f459a22be74da13fdca335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617abd9057be3d892abb8eb41c5eb29c76cb492f79f459a22be74da13fdca335", kill_on_drop: false }`
[INFO] [stdout] 617abd9057be3d892abb8eb41c5eb29c76cb492f79f459a22be74da13fdca335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab3d59e4043bd00da8f13c7779468542980f49ea04c4c7b5747a0e0505db87c8
[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" "ab3d59e4043bd00da8f13c7779468542980f49ea04c4c7b5747a0e0505db87c8", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking serde v1.0.35
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking indextree v1.1.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]    Compiling serde_derive_internals v0.22.1
[INFO] [stderr]    Compiling serde_derive v1.0.35
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking cs4240 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/scanner.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float...
[INFO] [stdout] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stdout] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stdout] 58 | |     }
[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: unused variable: `ast`
[INFO] [stdout]   --> src/main.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `funcdecls_node`
[INFO] [stdout]    --> src/typechecker.rs:297:45
[INFO] [stdout]     |
[INFO] [stdout] 297 | ...rdecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_funcdecls_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/typechecker.rs:508:17
[INFO] [stdout]     |
[INFO] [stdout] 508 |             for child in rhs_node.children(arena) {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_child_iter`
[INFO] [stdout]    --> src/typechecker.rs:644:9
[INFO] [stdout]     |
[INFO] [stdout] 644 |     let mut term_child_iter = curr_term_node.children(arena);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_child_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param`
[INFO] [stdout]   --> src/typechecker.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |         for (param, param_type) in argmap.iter() {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stdout]    |          ----^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stdout]    |                   ----^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:10
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
[INFO] [stdout]     |          ----^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]   --> src/main.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `funcdecls_node`
[INFO] [stdout]    --> src/typechecker.rs:297:45
[INFO] [stdout]     |
[INFO] [stdout] 297 | ...rdecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_funcdecls_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/typechecker.rs:508:17
[INFO] [stdout]     |
[INFO] [stdout] 508 |             for child in rhs_node.children(arena) {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term_child_iter`
[INFO] [stdout]    --> src/typechecker.rs:644:9
[INFO] [stdout]     |
[INFO] [stdout] 644 |     let mut term_child_iter = curr_term_node.children(arena);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_child_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `param`
[INFO] [stdout]   --> src/typechecker.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |         for (param, param_type) in argmap.iter() {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_param`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stdout]    |          ----^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stdout]    |                   ----^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:10
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
[INFO] [stdout]     |          ----^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
[INFO] [stdout]     |                     ----^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/typechecker.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let mut ndx = vardecl_node.children(arena).nth(3).expect("Could not extract TYPE");
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/typechecker.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let mut ndx = vardecl_node.children(arena).nth(3).expect("Could not extract TYPE");
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/typechecker.rs:644:9
[INFO] [stdout]     |
[INFO] [stdout] 644 |     let mut term_child_iter = curr_term_node.children(arena);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/typechecker.rs:644:9
[INFO] [stdout]     |
[INFO] [stdout] 644 |     let mut term_child_iter = curr_term_node.children(arena);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/typechecker.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `debug_print_ast`
[INFO] [stdout]    --> src/typechecker.rs:779:8
[INFO] [stdout]     |
[INFO] [stdout] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `debug_print_inner`
[INFO] [stdout]    --> src/typechecker.rs:784:8
[INFO] [stdout]     |
[INFO] [stdout] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/typechecker.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `debug_print_ast`
[INFO] [stdout]    --> src/typechecker.rs:779:8
[INFO] [stdout]     |
[INFO] [stdout] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `debug_print_inner`
[INFO] [stdout]    --> src/typechecker.rs:784:8
[INFO] [stdout]     |
[INFO] [stdout] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.04s
[INFO] running `Command { std: "docker" "inspect" "ab3d59e4043bd00da8f13c7779468542980f49ea04c4c7b5747a0e0505db87c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3d59e4043bd00da8f13c7779468542980f49ea04c4c7b5747a0e0505db87c8", kill_on_drop: false }`
[INFO] [stdout] ab3d59e4043bd00da8f13c7779468542980f49ea04c4c7b5747a0e0505db87c8
