Dec 12 02:37:23.138 INFO checking GodTamIt/tiger-compiler-rs against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 02:37:23.138 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 02:37:23.672 INFO [stdout] 69e2c94fe140fd8de3af4e479b13598df22cf38b9482ef5fbd23cc65e34333c4
Dec 12 02:37:23.674 INFO running `"docker" "start" "-a" "69e2c94fe140fd8de3af4e479b13598df22cf38b9482ef5fbd23cc65e34333c4"`
Dec 12 02:37:25.387 INFO [stderr] usermod: no changes
Dec 12 02:37:25.580 INFO [stderr]     Checking indextree v1.1.1
Dec 12 02:37:25.580 INFO [stderr]     Checking env_logger v0.5.6
Dec 12 02:37:27.463 INFO [stderr]     Checking cs4240 v0.1.0 (/source)
Dec 12 02:37:30.940 INFO [stderr] warning: unused variable: `funcdecls_node`
Dec 12 02:37:30.940 INFO [stderr]    --> src/typechecker.rs:297:45
Dec 12 02:37:30.940 INFO [stderr]     |
Dec 12 02:37:30.940 INFO [stderr] 297 | fn build_context_map(vardecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
Dec 12 02:37:30.940 INFO [stderr]     |                                             ^^^^^^^^^^^^^^ help: consider using `_funcdecls_node` instead
Dec 12 02:37:30.940 INFO [stderr]     |
Dec 12 02:37:30.940 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 02:37:30.940 INFO [stderr] 
Dec 12 02:37:30.940 INFO [stderr] warning: unused variable: `child`
Dec 12 02:37:30.940 INFO [stderr]    --> src/typechecker.rs:508:17
Dec 12 02:37:30.940 INFO [stderr]     |
Dec 12 02:37:30.940 INFO [stderr] 508 |             for child in rhs_node.children(arena) {
Dec 12 02:37:30.940 INFO [stderr]     |                 ^^^^^ help: consider using `_child` instead
Dec 12 02:37:30.940 INFO [stderr] 
Dec 12 02:37:30.940 INFO [stderr] warning: unused variable: `term_child_iter`
Dec 12 02:37:30.940 INFO [stderr]    --> src/typechecker.rs:644:13
Dec 12 02:37:30.940 INFO [stderr]     |
Dec 12 02:37:30.940 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 12 02:37:30.940 INFO [stderr]     |             ^^^^^^^^^^^^^^^ help: consider using `_term_child_iter` instead
Dec 12 02:37:30.940 INFO [stderr] 
Dec 12 02:37:30.940 INFO [stderr] warning: unused variable: `ast`
Dec 12 02:37:30.940 INFO [stderr]   --> src/main.rs:98:14
Dec 12 02:37:30.941 INFO [stderr]    |
Dec 12 02:37:30.941 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 12 02:37:30.941 INFO [stderr]    |              ^^^ help: consider using `_ast` instead
Dec 12 02:37:30.941 INFO [stderr] 
Dec 12 02:37:30.941 INFO [stderr] warning: unused variable: `param`
Dec 12 02:37:30.941 INFO [stderr]   --> src/typechecker.rs:59:14
Dec 12 02:37:30.941 INFO [stderr]    |
Dec 12 02:37:30.941 INFO [stderr] 59 |         for (param, param_type) in argmap.iter() {
Dec 12 02:37:30.941 INFO [stderr]    |              ^^^^^ help: consider using `_param` instead
Dec 12 02:37:30.941 INFO [stderr] 
Dec 12 02:37:30.976 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:37:30.976 INFO [stderr]   --> src/main.rs:98:10
Dec 12 02:37:30.976 INFO [stderr]    |
Dec 12 02:37:30.976 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 12 02:37:30.976 INFO [stderr]    |          ----^^^
Dec 12 02:37:30.976 INFO [stderr]    |          |
Dec 12 02:37:30.976 INFO [stderr]    |          help: remove this `mut`
Dec 12 02:37:30.976 INFO [stderr]    |
Dec 12 02:37:30.976 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 02:37:30.976 INFO [stderr] 
Dec 12 02:37:30.976 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:37:30.976 INFO [stderr]   --> src/main.rs:98:19
Dec 12 02:37:30.976 INFO [stderr]    |
Dec 12 02:37:30.976 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 12 02:37:30.976 INFO [stderr]    |                   ----^^^^^^^
Dec 12 02:37:30.976 INFO [stderr]    |                   |
Dec 12 02:37:30.976 INFO [stderr]    |                   help: remove this `mut`
Dec 12 02:37:30.976 INFO [stderr] 
Dec 12 02:37:30.976 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:37:30.976 INFO [stderr]    --> src/main.rs:109:10
Dec 12 02:37:30.977 INFO [stderr]     |
Dec 12 02:37:30.977 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 12 02:37:30.977 INFO [stderr]     |          ----^^^^^
Dec 12 02:37:30.977 INFO [stderr]     |          |
Dec 12 02:37:30.977 INFO [stderr]     |          help: remove this `mut`
Dec 12 02:37:30.977 INFO [stderr] 
Dec 12 02:37:30.977 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:37:30.977 INFO [stderr]    --> src/main.rs:109:21
Dec 12 02:37:30.977 INFO [stderr]     |
Dec 12 02:37:30.977 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 12 02:37:30.977 INFO [stderr]     |                     ----^^^^^^^^
Dec 12 02:37:30.977 INFO [stderr]     |                     |
Dec 12 02:37:30.977 INFO [stderr]     |                     help: remove this `mut`
Dec 12 02:37:30.977 INFO [stderr] 
Dec 12 02:37:31.317 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:37:31.318 INFO [stderr]    --> src/typechecker.rs:644:9
Dec 12 02:37:31.318 INFO [stderr]     |
Dec 12 02:37:31.318 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 12 02:37:31.318 INFO [stderr]     |         ----^^^^^^^^^^^^^^^
Dec 12 02:37:31.318 INFO [stderr]     |         |
Dec 12 02:37:31.318 INFO [stderr]     |         help: remove this `mut`
Dec 12 02:37:31.318 INFO [stderr] 
Dec 12 02:37:31.352 INFO [stderr] warning: method is never used: `pop`
Dec 12 02:37:31.352 INFO [stderr]   --> src/typechecker.rs:27:5
Dec 12 02:37:31.352 INFO [stderr]    |
Dec 12 02:37:31.352 INFO [stderr] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
Dec 12 02:37:31.352 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:37:31.352 INFO [stderr]    |
Dec 12 02:37:31.352 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:37:31.352 INFO [stderr] 
Dec 12 02:37:31.352 INFO [stderr] warning: function is never used: `debug_print_ast`
Dec 12 02:37:31.352 INFO [stderr]    --> src/typechecker.rs:779:1
Dec 12 02:37:31.352 INFO [stderr]     |
Dec 12 02:37:31.352 INFO [stderr] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 12 02:37:31.352 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:37:31.352 INFO [stderr] 
Dec 12 02:37:31.352 INFO [stderr] warning: function is never used: `debug_print_inner`
Dec 12 02:37:31.353 INFO [stderr]    --> src/typechecker.rs:784:1
Dec 12 02:37:31.353 INFO [stderr]     |
Dec 12 02:37:31.353 INFO [stderr] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 12 02:37:31.353 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:37:31.353 INFO [stderr] 
Dec 12 02:37:31.724 INFO [stderr] warning: unused variable: `funcdecls_node`
Dec 12 02:37:31.724 INFO [stderr]    --> src/typechecker.rs:297:45
Dec 12 02:37:31.725 INFO [stderr]     |
Dec 12 02:37:31.725 INFO [stderr] 297 | fn build_context_map(vardecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
Dec 12 02:37:31.725 INFO [stderr]     |                                             ^^^^^^^^^^^^^^ help: consider using `_funcdecls_node` instead
Dec 12 02:37:31.726 INFO [stderr]     |
Dec 12 02:37:31.726 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 02:37:31.727 INFO [stderr] 
Dec 12 02:37:31.727 INFO [stderr] warning: unused variable: `child`
Dec 12 02:37:31.727 INFO [stderr]    --> src/typechecker.rs:508:17
Dec 12 02:37:31.728 INFO [stderr]     |
Dec 12 02:37:31.728 INFO [stderr] 508 |             for child in rhs_node.children(arena) {
Dec 12 02:37:31.728 INFO [stderr]     |                 ^^^^^ help: consider using `_child` instead
Dec 12 02:37:31.728 INFO [stderr] 
Dec 12 02:37:31.728 INFO [stderr] warning: unused variable: `term_child_iter`
Dec 12 02:37:31.728 INFO [stderr]    --> src/typechecker.rs:644:13
Dec 12 02:37:31.728 INFO [stderr]     |
Dec 12 02:37:31.728 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 12 02:37:31.728 INFO [stderr]     |             ^^^^^^^^^^^^^^^ help: consider using `_term_child_iter` instead
Dec 12 02:37:31.728 INFO [stderr] 
Dec 12 02:37:31.729 INFO [stderr] warning: unused variable: `ast`
Dec 12 02:37:31.730 INFO [stderr]   --> src/main.rs:98:14
Dec 12 02:37:31.730 INFO [stderr]    |
Dec 12 02:37:31.730 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 12 02:37:31.730 INFO [stderr]    |              ^^^ help: consider using `_ast` instead
Dec 12 02:37:31.730 INFO [stderr] 
Dec 12 02:37:31.736 INFO [stderr] warning: unused variable: `param`
Dec 12 02:37:31.736 INFO [stderr]   --> src/typechecker.rs:59:14
Dec 12 02:37:31.736 INFO [stderr]    |
Dec 12 02:37:31.736 INFO [stderr] 59 |         for (param, param_type) in argmap.iter() {
Dec 12 02:37:31.736 INFO [stderr]    |              ^^^^^ help: consider using `_param` instead
Dec 12 02:37:31.736 INFO [stderr] 
Dec 12 02:37:31.760 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:37:31.761 INFO [stderr]   --> src/main.rs:98:10
Dec 12 02:37:31.761 INFO [stderr]    |
Dec 12 02:37:31.761 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 12 02:37:31.761 INFO [stderr]    |          ----^^^
Dec 12 02:37:31.761 INFO [stderr]    |          |
Dec 12 02:37:31.761 INFO [stderr]    |          help: remove this `mut`
Dec 12 02:37:31.762 INFO [stderr]    |
Dec 12 02:37:31.762 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 02:37:31.762 INFO [stderr] 
Dec 12 02:37:31.762 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:37:31.762 INFO [stderr]   --> src/main.rs:98:19
Dec 12 02:37:31.762 INFO [stderr]    |
Dec 12 02:37:31.762 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 12 02:37:31.762 INFO [stderr]    |                   ----^^^^^^^
Dec 12 02:37:31.762 INFO [stderr]    |                   |
Dec 12 02:37:31.762 INFO [stderr]    |                   help: remove this `mut`
Dec 12 02:37:31.762 INFO [stderr] 
Dec 12 02:37:31.768 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:37:31.768 INFO [stderr]    --> src/main.rs:109:21
Dec 12 02:37:31.768 INFO [stderr]     |
Dec 12 02:37:31.768 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 12 02:37:31.768 INFO [stderr]     |                     ----^^^^^^^^
Dec 12 02:37:31.768 INFO [stderr]     |                     |
Dec 12 02:37:31.768 INFO [stderr]     |                     help: remove this `mut`
Dec 12 02:37:31.768 INFO [stderr] 
Dec 12 02:37:31.768 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:37:31.768 INFO [stderr]    --> src/main.rs:109:10
Dec 12 02:37:31.768 INFO [stderr]     |
Dec 12 02:37:31.768 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 12 02:37:31.768 INFO [stderr]     |          ----^^^^^
Dec 12 02:37:31.768 INFO [stderr]     |          |
Dec 12 02:37:31.768 INFO [stderr]     |          help: remove this `mut`
Dec 12 02:37:31.768 INFO [stderr] 
Dec 12 02:37:31.910 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:37:31.910 INFO [stderr]    --> src/typechecker.rs:644:9
Dec 12 02:37:31.910 INFO [stderr]     |
Dec 12 02:37:31.911 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 12 02:37:31.911 INFO [stderr]     |         ----^^^^^^^^^^^^^^^
Dec 12 02:37:31.911 INFO [stderr]     |         |
Dec 12 02:37:31.911 INFO [stderr]     |         help: remove this `mut`
Dec 12 02:37:31.916 INFO [stderr] 
Dec 12 02:37:31.929 INFO [stderr] warning: method is never used: `pop`
Dec 12 02:37:31.929 INFO [stderr]   --> src/typechecker.rs:27:5
Dec 12 02:37:31.929 INFO [stderr]    |
Dec 12 02:37:31.930 INFO [stderr] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
Dec 12 02:37:31.930 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:37:31.930 INFO [stderr]    |
Dec 12 02:37:31.931 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:37:31.931 INFO [stderr] 
Dec 12 02:37:31.931 INFO [stderr] warning: function is never used: `debug_print_ast`
Dec 12 02:37:31.932 INFO [stderr]    --> src/typechecker.rs:779:1
Dec 12 02:37:31.932 INFO [stderr]     |
Dec 12 02:37:31.932 INFO [stderr] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 12 02:37:31.932 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:37:31.932 INFO [stderr] 
Dec 12 02:37:31.936 INFO [stderr] warning: function is never used: `debug_print_inner`
Dec 12 02:37:31.936 INFO [stderr]    --> src/typechecker.rs:784:1
Dec 12 02:37:31.936 INFO [stderr]     |
Dec 12 02:37:31.936 INFO [stderr] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 12 02:37:31.936 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:37:31.936 INFO [stderr] 
Dec 12 02:37:31.985 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
Dec 12 02:37:32.004 INFO [stderr] su: No module specific data is present
Dec 12 02:37:32.742 INFO running `"docker" "inspect" "69e2c94fe140fd8de3af4e479b13598df22cf38b9482ef5fbd23cc65e34333c4"`
Dec 12 02:37:32.998 INFO running `"docker" "rm" "-f" "69e2c94fe140fd8de3af4e479b13598df22cf38b9482ef5fbd23cc65e34333c4"`
Dec 12 02:37:33.244 INFO [stdout] 69e2c94fe140fd8de3af4e479b13598df22cf38b9482ef5fbd23cc65e34333c4