[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] testing GodTamIt/tiger-compiler-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGodTamIt%2Ftiger-compiler-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GodTamIt/tiger-compiler-rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-13/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded termcolor v0.3.5
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded syn v0.12.14
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded atty v0.2.6
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded env_logger v0.5.6
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.13
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded regex v0.2.5
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded clap v2.30.0
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded indextree v1.1.1
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded serde_derive v1.0.35
[INFO] [stderr]   Downloaded serde v1.0.35
[INFO] [stderr]   Downloaded serde_derive_internals v0.22.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e665135c9465ee312181e1b14f352d9a0597f6edbfcf76e59ed729b926904a3
[INFO] running `Command { std: "docker" "start" "-a" "6e665135c9465ee312181e1b14f352d9a0597f6edbfcf76e59ed729b926904a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e665135c9465ee312181e1b14f352d9a0597f6edbfcf76e59ed729b926904a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e665135c9465ee312181e1b14f352d9a0597f6edbfcf76e59ed729b926904a3", kill_on_drop: false }`
[INFO] [stdout] 6e665135c9465ee312181e1b14f352d9a0597f6edbfcf76e59ed729b926904a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0134d4af09180d63c41a57c8e89d5eb3cabb6ecc315f0699744819f4b2ec934
[INFO] running `Command { std: "docker" "start" "-a" "e0134d4af09180d63c41a57c8e89d5eb3cabb6ecc315f0699744819f4b2ec934", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling serde v1.0.35
[INFO] [stderr]    Compiling bitflags v1.0.1
[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 indextree v1.1.1
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling serde_derive_internals v0.22.1
[INFO] [stderr]    Compiling serde_derive v1.0.35
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling cs4240 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (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:98:14
[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:644:13
[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/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]     = note: `#[warn(unused_mut)]` on by default
[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/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] 
[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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.81s
[INFO] running `Command { std: "docker" "inspect" "e0134d4af09180d63c41a57c8e89d5eb3cabb6ecc315f0699744819f4b2ec934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0134d4af09180d63c41a57c8e89d5eb3cabb6ecc315f0699744819f4b2ec934", kill_on_drop: false }`
[INFO] [stdout] e0134d4af09180d63c41a57c8e89d5eb3cabb6ecc315f0699744819f4b2ec934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf36288d18e56154634a4f46611151a3546e8bf4bf593879d37b2b3c040404d1
[INFO] running `Command { std: "docker" "start" "-a" "bf36288d18e56154634a4f46611151a3546e8bf4bf593879d37b2b3c040404d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cs4240 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/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 the macro `__lazy_static_create` (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:98:14
[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:644:13
[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/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]     = note: `#[warn(unused_mut)]` on by default
[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/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] 
[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: 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "bf36288d18e56154634a4f46611151a3546e8bf4bf593879d37b2b3c040404d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf36288d18e56154634a4f46611151a3546e8bf4bf593879d37b2b3c040404d1", kill_on_drop: false }`
[INFO] [stdout] bf36288d18e56154634a4f46611151a3546e8bf4bf593879d37b2b3c040404d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45ff1826493065cea50e1bff29e3cdf5ac954e96ddc41ec27b0ed1f6dd91aac7
[INFO] running `Command { std: "docker" "start" "-a" "45ff1826493065cea50e1bff29e3cdf5ac954e96ddc41ec27b0ed1f6dd91aac7", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `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...
[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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/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...
[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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]   --> src/main.rs:98:14
[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 | ...rdecls_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:644:13
[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/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]     = note: `#[warn(unused_mut)]` on by default
[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: 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] 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: associated function is never used: `pop`
[INFO] [stderr]   --> src/typechecker.rs:27:8
[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: `cs4240` (bin "cs4240" test) generated 21 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cs4240-587a4d2e31cf5a42)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45ff1826493065cea50e1bff29e3cdf5ac954e96ddc41ec27b0ed1f6dd91aac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ff1826493065cea50e1bff29e3cdf5ac954e96ddc41ec27b0ed1f6dd91aac7", kill_on_drop: false }`
[INFO] [stdout] 45ff1826493065cea50e1bff29e3cdf5ac954e96ddc41ec27b0ed1f6dd91aac7