[INFO] updating cached repository https://github.com/GodTamIt/tiger-compiler-rs
[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] db3c1f50e45097e90ee029c88c7b80322c08c2fe
[INFO] testing GodTamIt/tiger-compiler-rs against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGodTamIt%2Ftiger-compiler-rs" "/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/GodTamIt/tiger-compiler-rs on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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=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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 54d69725b457293aa829e639de06003fe1fecf51c377e792561cd02dfaf136d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "54d69725b457293aa829e639de06003fe1fecf51c377e792561cd02dfaf136d2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling serde v1.0.35
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling indextree v1.1.1
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling serde_derive_internals v0.22.1
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.35
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling cs4240 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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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: unused variable: `ast`
[INFO] [stderr]   --> src/main.rs:98:10
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `funcdecls_node`
[INFO] [stderr]    --> src/typechecker.rs:297:45
[INFO] [stderr]     |
[INFO] [stderr] 297 | fn build_context_map(vardecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_funcdecls_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/typechecker.rs:508:17
[INFO] [stderr]     |
[INFO] [stderr] 508 |             for child in rhs_node.children(arena) {
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `term_child_iter`
[INFO] [stderr]    --> src/typechecker.rs:644:9
[INFO] [stderr]     |
[INFO] [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_child_iter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param`
[INFO] [stderr]   --> src/typechecker.rs:59:14
[INFO] [stderr]    |
[INFO] [stderr] 59 |         for (param, param_type) in argmap.iter() {
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_param`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:98:10
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stderr]    |          ----^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:98:19
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stderr]    |                   ----^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:10
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
[INFO] [stderr]     |          ----^^^^^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/typechecker.rs:305:13
[INFO] [stderr]     |
[INFO] [stderr] 305 |         let mut ndx = vardecl_node.children(arena).nth(3).expect("Could not extract TYPE");
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/typechecker.rs:644:9
[INFO] [stderr]     |
[INFO] [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]   --> src/typechecker.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `debug_print_ast`
[INFO] [stderr]    --> src/typechecker.rs:779:8
[INFO] [stderr]     |
[INFO] [stderr] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `debug_print_inner`
[INFO] [stderr]    --> src/typechecker.rs:784:8
[INFO] [stderr]     |
[INFO] [stderr] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.87s
[INFO] running `"docker" "inspect" "54d69725b457293aa829e639de06003fe1fecf51c377e792561cd02dfaf136d2"`
[INFO] running `"docker" "rm" "-f" "54d69725b457293aa829e639de06003fe1fecf51c377e792561cd02dfaf136d2"`
[INFO] [stdout] 54d69725b457293aa829e639de06003fe1fecf51c377e792561cd02dfaf136d2
[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=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" "+1.44.0" "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] e6c222030b1dcb72b7465339ab9a11cfd9fc6355d533b021d34b0c2e60bffc37
[INFO] running `"docker" "start" "-a" "e6c222030b1dcb72b7465339ab9a11cfd9fc6355d533b021d34b0c2e60bffc37"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cs4240 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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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: unused variable: `ast`
[INFO] [stderr]   --> src/main.rs:98:10
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `funcdecls_node`
[INFO] [stderr]    --> src/typechecker.rs:297:45
[INFO] [stderr]     |
[INFO] [stderr] 297 | fn build_context_map(vardecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_funcdecls_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/typechecker.rs:508:17
[INFO] [stderr]     |
[INFO] [stderr] 508 |             for child in rhs_node.children(arena) {
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `term_child_iter`
[INFO] [stderr]    --> src/typechecker.rs:644:9
[INFO] [stderr]     |
[INFO] [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_child_iter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param`
[INFO] [stderr]   --> src/typechecker.rs:59:14
[INFO] [stderr]    |
[INFO] [stderr] 59 |         for (param, param_type) in argmap.iter() {
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_param`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:98:10
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stderr]    |          ----^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:98:19
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stderr]    |                   ----^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:10
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
[INFO] [stderr]     |          ----^^^^^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/typechecker.rs:305:13
[INFO] [stderr]     |
[INFO] [stderr] 305 |         let mut ndx = vardecl_node.children(arena).nth(3).expect("Could not extract TYPE");
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/typechecker.rs:644:9
[INFO] [stderr]     |
[INFO] [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]   --> src/typechecker.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `debug_print_ast`
[INFO] [stderr]    --> src/typechecker.rs:779:8
[INFO] [stderr]     |
[INFO] [stderr] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `debug_print_inner`
[INFO] [stderr]    --> src/typechecker.rs:784:8
[INFO] [stderr]     |
[INFO] [stderr] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "e6c222030b1dcb72b7465339ab9a11cfd9fc6355d533b021d34b0c2e60bffc37"`
[INFO] running `"docker" "rm" "-f" "e6c222030b1dcb72b7465339ab9a11cfd9fc6355d533b021d34b0c2e60bffc37"`
[INFO] [stdout] e6c222030b1dcb72b7465339ab9a11cfd9fc6355d533b021d34b0c2e60bffc37
[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=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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 037b6733eedfc9a8a0bcc1544a402ee23a22702041391c46f91c6ab9daf94308
[INFO] running `"docker" "start" "-a" "037b6733eedfc9a8a0bcc1544a402ee23a22702041391c46f91c6ab9daf94308"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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/scanner.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     lazy_static! {
[INFO] [stderr] 50 | |         static ref KEYWORD1_RE: Regex = Regex::new(r"^((array)|(begin)|(boolean)|(break)|(do)|(else)|(end)|(enddo)|(endif)|(false)|(float)|(for)|(func)|(if)|(in)|(int)|(let)|(of)|(return)|(then)|(to)|(true)|(type)|(unit)|(var)|(while))$").unwrap();
[INFO] [stderr] 51 | |         static ref KEYWORD2_RE: Regex = Regex::new(r"^(,|:|;|\(|\)|\[|\]|\{|\}|\.|\+|-|\*|/|=|<|>|<>|<=|>=|&|\||:=)$").unwrap();
[INFO] [stderr] 52 | |         static ref ID_RE: Regex = Regex::new(r"^((_[A-Za-z_0-9]*([0-9A-Za-z])[A-Za-z_0-9]*)|(([A-Za-z])[0-9A-Za-z_]*))$").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |         static ref TOKEN_NAMES: Vec<&'static str> = vec!["floatlit", "intlit", "id", "keyword", "keyword"];
[INFO] [stderr] 58 | |     }
[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: unused variable: `ast`
[INFO] [stderr]   --> src/main.rs:98:10
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `funcdecls_node`
[INFO] [stderr]    --> src/typechecker.rs:297:45
[INFO] [stderr]     |
[INFO] [stderr] 297 | fn build_context_map(vardecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_funcdecls_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]    --> src/typechecker.rs:508:17
[INFO] [stderr]     |
[INFO] [stderr] 508 |             for child in rhs_node.children(arena) {
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `term_child_iter`
[INFO] [stderr]    --> src/typechecker.rs:644:9
[INFO] [stderr]     |
[INFO] [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_child_iter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `param`
[INFO] [stderr]   --> src/typechecker.rs:59:14
[INFO] [stderr]    |
[INFO] [stderr] 59 |         for (param, param_type) in argmap.iter() {
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_param`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:98:10
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stderr]    |          ----^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:98:19
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
[INFO] [stderr]    |                   ----^^^^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:10
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
[INFO] [stderr]     |          ----^^^^^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/typechecker.rs:305:13
[INFO] [stderr]     |
[INFO] [stderr] 305 |         let mut ndx = vardecl_node.children(arena).nth(3).expect("Could not extract TYPE");
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/typechecker.rs:644:9
[INFO] [stderr]     |
[INFO] [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]   --> src/typechecker.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `debug_print_ast`
[INFO] [stderr]    --> src/typechecker.rs:779:8
[INFO] [stderr]     |
[INFO] [stderr] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `debug_print_inner`
[INFO] [stderr]    --> src/typechecker.rs:784:8
[INFO] [stderr]     |
[INFO] [stderr] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cs4240-d6289175d31e4824
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "037b6733eedfc9a8a0bcc1544a402ee23a22702041391c46f91c6ab9daf94308"`
[INFO] running `"docker" "rm" "-f" "037b6733eedfc9a8a0bcc1544a402ee23a22702041391c46f91c6ab9daf94308"`
[INFO] [stdout] 037b6733eedfc9a8a0bcc1544a402ee23a22702041391c46f91c6ab9daf94308