Dec 05 02:18:21.068 INFO checking GodTamIt/tiger-compiler-rs against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 02:18:21.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 02:18:21.528 INFO [stdout] abd0145801016edc8517d519458280eeed1511dd6c19e6f8eefa878f6e8ae868
Dec 05 02:18:21.532 INFO running `"docker" "start" "-a" "abd0145801016edc8517d519458280eeed1511dd6c19e6f8eefa878f6e8ae868"`
Dec 05 02:18:23.747 INFO [stderr] usermod: no changes
Dec 05 02:18:23.955 INFO [stderr]     Checking serde_json v1.0.13
Dec 05 02:18:26.291 INFO [stderr]     Checking cs4240 v0.1.0 (/source)
Dec 05 02:18:30.403 INFO [stderr] warning: unused variable: `funcdecls_node`
Dec 05 02:18:30.403 INFO [stderr]    --> src/typechecker.rs:297:45
Dec 05 02:18:30.403 INFO [stderr]     |
Dec 05 02:18:30.403 INFO [stderr] 297 | fn build_context_map(vardecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
Dec 05 02:18:30.403 INFO [stderr]     |                                             ^^^^^^^^^^^^^^ help: consider using `_funcdecls_node` instead
Dec 05 02:18:30.403 INFO [stderr]     |
Dec 05 02:18:30.403 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 02:18:30.403 INFO [stderr] 
Dec 05 02:18:30.403 INFO [stderr] warning: unused variable: `child`
Dec 05 02:18:30.403 INFO [stderr]    --> src/typechecker.rs:508:17
Dec 05 02:18:30.403 INFO [stderr]     |
Dec 05 02:18:30.403 INFO [stderr] 508 |             for child in rhs_node.children(arena) {
Dec 05 02:18:30.403 INFO [stderr]     |                 ^^^^^ help: consider using `_child` instead
Dec 05 02:18:30.403 INFO [stderr] 
Dec 05 02:18:30.404 INFO [stderr] warning: unused variable: `term_child_iter`
Dec 05 02:18:30.404 INFO [stderr]    --> src/typechecker.rs:644:13
Dec 05 02:18:30.404 INFO [stderr]     |
Dec 05 02:18:30.404 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 05 02:18:30.404 INFO [stderr]     |             ^^^^^^^^^^^^^^^ help: consider using `_term_child_iter` instead
Dec 05 02:18:30.404 INFO [stderr] 
Dec 05 02:18:30.404 INFO [stderr] warning: unused variable: `ast`
Dec 05 02:18:30.404 INFO [stderr]   --> src/main.rs:98:14
Dec 05 02:18:30.404 INFO [stderr]    |
Dec 05 02:18:30.404 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 05 02:18:30.404 INFO [stderr]    |              ^^^ help: consider using `_ast` instead
Dec 05 02:18:30.404 INFO [stderr] 
Dec 05 02:18:30.404 INFO [stderr] warning: unused variable: `param`
Dec 05 02:18:30.404 INFO [stderr]   --> src/typechecker.rs:59:14
Dec 05 02:18:30.404 INFO [stderr]    |
Dec 05 02:18:30.404 INFO [stderr] 59 |         for (param, param_type) in argmap.iter() {
Dec 05 02:18:30.404 INFO [stderr]    |              ^^^^^ help: consider using `_param` instead
Dec 05 02:18:30.404 INFO [stderr] 
Dec 05 02:18:30.431 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:18:30.431 INFO [stderr]   --> src/main.rs:98:10
Dec 05 02:18:30.431 INFO [stderr]    |
Dec 05 02:18:30.431 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 05 02:18:30.431 INFO [stderr]    |          ----^^^
Dec 05 02:18:30.431 INFO [stderr]    |          |
Dec 05 02:18:30.431 INFO [stderr]    |          help: remove this `mut`
Dec 05 02:18:30.431 INFO [stderr]    |
Dec 05 02:18:30.431 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 02:18:30.431 INFO [stderr] 
Dec 05 02:18:30.431 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:18:30.431 INFO [stderr]   --> src/main.rs:98:19
Dec 05 02:18:30.431 INFO [stderr]    |
Dec 05 02:18:30.431 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 05 02:18:30.431 INFO [stderr]    |                   ----^^^^^^^
Dec 05 02:18:30.431 INFO [stderr]    |                   |
Dec 05 02:18:30.431 INFO [stderr]    |                   help: remove this `mut`
Dec 05 02:18:30.431 INFO [stderr] 
Dec 05 02:18:30.431 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:18:30.431 INFO [stderr]    --> src/main.rs:109:10
Dec 05 02:18:30.431 INFO [stderr]     |
Dec 05 02:18:30.431 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 05 02:18:30.431 INFO [stderr]     |          ----^^^^^
Dec 05 02:18:30.431 INFO [stderr]     |          |
Dec 05 02:18:30.431 INFO [stderr]     |          help: remove this `mut`
Dec 05 02:18:30.431 INFO [stderr] 
Dec 05 02:18:30.432 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:18:30.432 INFO [stderr]    --> src/main.rs:109:21
Dec 05 02:18:30.432 INFO [stderr]     |
Dec 05 02:18:30.432 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 05 02:18:30.432 INFO [stderr]     |                     ----^^^^^^^^
Dec 05 02:18:30.432 INFO [stderr]     |                     |
Dec 05 02:18:30.432 INFO [stderr]     |                     help: remove this `mut`
Dec 05 02:18:30.432 INFO [stderr] 
Dec 05 02:18:30.579 INFO [stderr] warning: unused variable: `funcdecls_node`
Dec 05 02:18:30.579 INFO [stderr]    --> src/typechecker.rs:297:45
Dec 05 02:18:30.579 INFO [stderr]     |
Dec 05 02:18:30.579 INFO [stderr] 297 | fn build_context_map(vardecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
Dec 05 02:18:30.579 INFO [stderr]     |                                             ^^^^^^^^^^^^^^ help: consider using `_funcdecls_node` instead
Dec 05 02:18:30.579 INFO [stderr]     |
Dec 05 02:18:30.579 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 02:18:30.579 INFO [stderr] 
Dec 05 02:18:30.579 INFO [stderr] warning: unused variable: `child`
Dec 05 02:18:30.579 INFO [stderr]    --> src/typechecker.rs:508:17
Dec 05 02:18:30.579 INFO [stderr]     |
Dec 05 02:18:30.579 INFO [stderr] 508 |             for child in rhs_node.children(arena) {
Dec 05 02:18:30.579 INFO [stderr]     |                 ^^^^^ help: consider using `_child` instead
Dec 05 02:18:30.580 INFO [stderr] 
Dec 05 02:18:30.580 INFO [stderr] warning: unused variable: `term_child_iter`
Dec 05 02:18:30.580 INFO [stderr]    --> src/typechecker.rs:644:13
Dec 05 02:18:30.580 INFO [stderr]     |
Dec 05 02:18:30.580 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 05 02:18:30.580 INFO [stderr]     |             ^^^^^^^^^^^^^^^ help: consider using `_term_child_iter` instead
Dec 05 02:18:30.580 INFO [stderr] 
Dec 05 02:18:30.580 INFO [stderr] warning: unused variable: `ast`
Dec 05 02:18:30.580 INFO [stderr]   --> src/main.rs:98:14
Dec 05 02:18:30.580 INFO [stderr]    |
Dec 05 02:18:30.580 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 05 02:18:30.580 INFO [stderr]    |              ^^^ help: consider using `_ast` instead
Dec 05 02:18:30.580 INFO [stderr] 
Dec 05 02:18:30.580 INFO [stderr] warning: unused variable: `param`
Dec 05 02:18:30.580 INFO [stderr]   --> src/typechecker.rs:59:14
Dec 05 02:18:30.580 INFO [stderr]    |
Dec 05 02:18:30.580 INFO [stderr] 59 |         for (param, param_type) in argmap.iter() {
Dec 05 02:18:30.580 INFO [stderr]    |              ^^^^^ help: consider using `_param` instead
Dec 05 02:18:30.580 INFO [stderr] 
Dec 05 02:18:30.599 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:18:30.599 INFO [stderr]   --> src/main.rs:98:10
Dec 05 02:18:30.599 INFO [stderr]    |
Dec 05 02:18:30.599 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 05 02:18:30.599 INFO [stderr]    |          ----^^^
Dec 05 02:18:30.599 INFO [stderr]    |          |
Dec 05 02:18:30.599 INFO [stderr]    |          help: remove this `mut`
Dec 05 02:18:30.599 INFO [stderr]    |
Dec 05 02:18:30.599 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 02:18:30.599 INFO [stderr] 
Dec 05 02:18:30.599 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:18:30.599 INFO [stderr]   --> src/main.rs:98:19
Dec 05 02:18:30.599 INFO [stderr]    |
Dec 05 02:18:30.599 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 05 02:18:30.599 INFO [stderr]    |                   ----^^^^^^^
Dec 05 02:18:30.599 INFO [stderr]    |                   |
Dec 05 02:18:30.599 INFO [stderr]    |                   help: remove this `mut`
Dec 05 02:18:30.599 INFO [stderr] 
Dec 05 02:18:30.599 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:18:30.599 INFO [stderr]    --> src/main.rs:109:21
Dec 05 02:18:30.599 INFO [stderr]     |
Dec 05 02:18:30.599 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 05 02:18:30.599 INFO [stderr]     |                     ----^^^^^^^^
Dec 05 02:18:30.599 INFO [stderr]     |                     |
Dec 05 02:18:30.599 INFO [stderr]     |                     help: remove this `mut`
Dec 05 02:18:30.599 INFO [stderr] 
Dec 05 02:18:30.599 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:18:30.599 INFO [stderr]    --> src/main.rs:109:10
Dec 05 02:18:30.599 INFO [stderr]     |
Dec 05 02:18:30.599 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 05 02:18:30.599 INFO [stderr]     |          ----^^^^^
Dec 05 02:18:30.599 INFO [stderr]     |          |
Dec 05 02:18:30.599 INFO [stderr]     |          help: remove this `mut`
Dec 05 02:18:30.599 INFO [stderr] 
Dec 05 02:18:30.695 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:18:30.695 INFO [stderr]    --> src/typechecker.rs:644:9
Dec 05 02:18:30.695 INFO [stderr]     |
Dec 05 02:18:30.695 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 05 02:18:30.695 INFO [stderr]     |         ----^^^^^^^^^^^^^^^
Dec 05 02:18:30.695 INFO [stderr]     |         |
Dec 05 02:18:30.695 INFO [stderr]     |         help: remove this `mut`
Dec 05 02:18:30.695 INFO [stderr] 
Dec 05 02:18:30.731 INFO [stderr] warning: method is never used: `pop`
Dec 05 02:18:30.731 INFO [stderr]   --> src/typechecker.rs:27:5
Dec 05 02:18:30.731 INFO [stderr]    |
Dec 05 02:18:30.731 INFO [stderr] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
Dec 05 02:18:30.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:18:30.731 INFO [stderr]    |
Dec 05 02:18:30.731 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:18:30.731 INFO [stderr] 
Dec 05 02:18:30.731 INFO [stderr] warning: function is never used: `debug_print_ast`
Dec 05 02:18:30.731 INFO [stderr]    --> src/typechecker.rs:779:1
Dec 05 02:18:30.731 INFO [stderr]     |
Dec 05 02:18:30.731 INFO [stderr] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 05 02:18:30.731 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:18:30.731 INFO [stderr] 
Dec 05 02:18:30.731 INFO [stderr] warning: function is never used: `debug_print_inner`
Dec 05 02:18:30.731 INFO [stderr]    --> src/typechecker.rs:784:1
Dec 05 02:18:30.731 INFO [stderr]     |
Dec 05 02:18:30.731 INFO [stderr] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 05 02:18:30.731 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:18:30.731 INFO [stderr] 
Dec 05 02:18:30.876 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:18:30.876 INFO [stderr]    --> src/typechecker.rs:644:9
Dec 05 02:18:30.876 INFO [stderr]     |
Dec 05 02:18:30.876 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 05 02:18:30.876 INFO [stderr]     |         ----^^^^^^^^^^^^^^^
Dec 05 02:18:30.876 INFO [stderr]     |         |
Dec 05 02:18:30.876 INFO [stderr]     |         help: remove this `mut`
Dec 05 02:18:30.876 INFO [stderr] 
Dec 05 02:18:30.901 INFO [stderr] warning: method is never used: `pop`
Dec 05 02:18:30.901 INFO [stderr]   --> src/typechecker.rs:27:5
Dec 05 02:18:30.901 INFO [stderr]    |
Dec 05 02:18:30.901 INFO [stderr] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
Dec 05 02:18:30.901 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:18:30.901 INFO [stderr]    |
Dec 05 02:18:30.901 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:18:30.901 INFO [stderr] 
Dec 05 02:18:30.901 INFO [stderr] warning: function is never used: `debug_print_ast`
Dec 05 02:18:30.901 INFO [stderr]    --> src/typechecker.rs:779:1
Dec 05 02:18:30.901 INFO [stderr]     |
Dec 05 02:18:30.901 INFO [stderr] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 05 02:18:30.901 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:18:30.901 INFO [stderr] 
Dec 05 02:18:30.901 INFO [stderr] warning: function is never used: `debug_print_inner`
Dec 05 02:18:30.901 INFO [stderr]    --> src/typechecker.rs:784:1
Dec 05 02:18:30.901 INFO [stderr]     |
Dec 05 02:18:30.901 INFO [stderr] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 05 02:18:30.901 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:18:30.901 INFO [stderr] 
Dec 05 02:18:30.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.19s
Dec 05 02:18:30.971 INFO [stderr] su: No module specific data is present
Dec 05 02:18:32.355 INFO running `"docker" "inspect" "abd0145801016edc8517d519458280eeed1511dd6c19e6f8eefa878f6e8ae868"`
Dec 05 02:18:32.721 INFO running `"docker" "rm" "-f" "abd0145801016edc8517d519458280eeed1511dd6c19e6f8eefa878f6e8ae868"`
Dec 05 02:18:33.135 INFO [stdout] abd0145801016edc8517d519458280eeed1511dd6c19e6f8eefa878f6e8ae868