Dec 18 07:28:20.234 INFO checking GodTamIt/tiger-compiler-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:28:20.235 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/GodTamIt/tiger-compiler-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:28:20.369 INFO [stdout] a8624f5759702ceb8b5624d93fd873f5177fa220c4ecb779a1915c0128a6b8ec
Dec 18 07:28:20.371 INFO running `"docker" "start" "-a" "a8624f5759702ceb8b5624d93fd873f5177fa220c4ecb779a1915c0128a6b8ec"`
Dec 18 07:28:20.856 INFO [stderr]     Checking indextree v1.1.1
Dec 18 07:28:20.857 INFO [stderr]    Compiling serde_derive_internals v0.22.1
Dec 18 07:28:20.857 INFO [stderr]     Checking env_logger v0.5.6
Dec 18 07:28:22.371 INFO [stderr]    Compiling serde_derive v1.0.35
Dec 18 07:28:27.809 INFO [stderr]     Checking cs4240 v0.1.0 (/opt/crater/workdir)
Dec 18 07:28:28.517 INFO [stderr] warning: unused variable: `funcdecls_node`
Dec 18 07:28:28.517 INFO [stderr]    --> src/typechecker.rs:297:45
Dec 18 07:28:28.517 INFO [stderr]     |
Dec 18 07:28:28.517 INFO [stderr] 297 | fn build_context_map(vardecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
Dec 18 07:28:28.517 INFO [stderr]     |                                             ^^^^^^^^^^^^^^ help: consider using `_funcdecls_node` instead
Dec 18 07:28:28.517 INFO [stderr]     |
Dec 18 07:28:28.517 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 07:28:28.517 INFO [stderr] 
Dec 18 07:28:28.517 INFO [stderr] warning: unused variable: `child`
Dec 18 07:28:28.517 INFO [stderr]    --> src/typechecker.rs:508:17
Dec 18 07:28:28.517 INFO [stderr]     |
Dec 18 07:28:28.517 INFO [stderr] 508 |             for child in rhs_node.children(arena) {
Dec 18 07:28:28.517 INFO [stderr]     |                 ^^^^^ help: consider using `_child` instead
Dec 18 07:28:28.517 INFO [stderr] 
Dec 18 07:28:28.517 INFO [stderr] warning: unused variable: `term_child_iter`
Dec 18 07:28:28.517 INFO [stderr]    --> src/typechecker.rs:644:13
Dec 18 07:28:28.517 INFO [stderr]     |
Dec 18 07:28:28.517 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 18 07:28:28.517 INFO [stderr]     |             ^^^^^^^^^^^^^^^ help: consider using `_term_child_iter` instead
Dec 18 07:28:28.517 INFO [stderr] 
Dec 18 07:28:28.518 INFO [stderr] warning: unused variable: `ast`
Dec 18 07:28:28.518 INFO [stderr]   --> src/main.rs:98:14
Dec 18 07:28:28.518 INFO [stderr]    |
Dec 18 07:28:28.518 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 18 07:28:28.518 INFO [stderr]    |              ^^^ help: consider using `_ast` instead
Dec 18 07:28:28.518 INFO [stderr] 
Dec 18 07:28:28.518 INFO [stderr] warning: unused variable: `param`
Dec 18 07:28:28.518 INFO [stderr]   --> src/typechecker.rs:59:14
Dec 18 07:28:28.518 INFO [stderr]    |
Dec 18 07:28:28.518 INFO [stderr] 59 |         for (param, param_type) in argmap.iter() {
Dec 18 07:28:28.518 INFO [stderr]    |              ^^^^^ help: consider using `_param` instead
Dec 18 07:28:28.518 INFO [stderr] 
Dec 18 07:28:28.530 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:28:28.530 INFO [stderr]   --> src/main.rs:98:10
Dec 18 07:28:28.530 INFO [stderr]    |
Dec 18 07:28:28.530 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 18 07:28:28.530 INFO [stderr]    |          ----^^^
Dec 18 07:28:28.530 INFO [stderr]    |          |
Dec 18 07:28:28.530 INFO [stderr]    |          help: remove this `mut`
Dec 18 07:28:28.530 INFO [stderr]    |
Dec 18 07:28:28.530 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:28:28.530 INFO [stderr] 
Dec 18 07:28:28.530 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:28:28.530 INFO [stderr]   --> src/main.rs:98:19
Dec 18 07:28:28.530 INFO [stderr]    |
Dec 18 07:28:28.530 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 18 07:28:28.530 INFO [stderr]    |                   ----^^^^^^^
Dec 18 07:28:28.530 INFO [stderr]    |                   |
Dec 18 07:28:28.530 INFO [stderr]    |                   help: remove this `mut`
Dec 18 07:28:28.530 INFO [stderr] 
Dec 18 07:28:28.530 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:28:28.530 INFO [stderr]    --> src/main.rs:109:21
Dec 18 07:28:28.530 INFO [stderr]     |
Dec 18 07:28:28.530 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 18 07:28:28.530 INFO [stderr]     |                     ----^^^^^^^^
Dec 18 07:28:28.530 INFO [stderr]     |                     |
Dec 18 07:28:28.530 INFO [stderr]     |                     help: remove this `mut`
Dec 18 07:28:28.530 INFO [stderr] 
Dec 18 07:28:28.530 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:28:28.530 INFO [stderr]    --> src/main.rs:109:10
Dec 18 07:28:28.530 INFO [stderr]     |
Dec 18 07:28:28.530 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 18 07:28:28.530 INFO [stderr]     |          ----^^^^^
Dec 18 07:28:28.530 INFO [stderr]     |          |
Dec 18 07:28:28.530 INFO [stderr]     |          help: remove this `mut`
Dec 18 07:28:28.530 INFO [stderr] 
Dec 18 07:28:28.620 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:28:28.620 INFO [stderr]    --> src/typechecker.rs:644:9
Dec 18 07:28:28.620 INFO [stderr]     |
Dec 18 07:28:28.620 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 18 07:28:28.620 INFO [stderr]     |         ----^^^^^^^^^^^^^^^
Dec 18 07:28:28.620 INFO [stderr]     |         |
Dec 18 07:28:28.620 INFO [stderr]     |         help: remove this `mut`
Dec 18 07:28:28.620 INFO [stderr] 
Dec 18 07:28:28.630 INFO [stderr] warning: method is never used: `pop`
Dec 18 07:28:28.631 INFO [stderr]   --> src/typechecker.rs:27:5
Dec 18 07:28:28.631 INFO [stderr]    |
Dec 18 07:28:28.631 INFO [stderr] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
Dec 18 07:28:28.631 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:28:28.631 INFO [stderr]    |
Dec 18 07:28:28.631 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:28:28.631 INFO [stderr] 
Dec 18 07:28:28.631 INFO [stderr] warning: function is never used: `debug_print_ast`
Dec 18 07:28:28.631 INFO [stderr]    --> src/typechecker.rs:779:1
Dec 18 07:28:28.631 INFO [stderr]     |
Dec 18 07:28:28.631 INFO [stderr] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 18 07:28:28.631 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:28:28.631 INFO [stderr] 
Dec 18 07:28:28.631 INFO [stderr] warning: function is never used: `debug_print_inner`
Dec 18 07:28:28.631 INFO [stderr]    --> src/typechecker.rs:784:1
Dec 18 07:28:28.631 INFO [stderr]     |
Dec 18 07:28:28.631 INFO [stderr] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 18 07:28:28.631 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:28:28.631 INFO [stderr] 
Dec 18 07:28:28.631 INFO [stderr] warning: unused variable: `funcdecls_node`
Dec 18 07:28:28.631 INFO [stderr]    --> src/typechecker.rs:297:45
Dec 18 07:28:28.631 INFO [stderr]     |
Dec 18 07:28:28.631 INFO [stderr] 297 | fn build_context_map(vardecls_node: NodeId, funcdecls_node: NodeId, arena: &Arena<Rc<Token>>, atable: &SymbolTable) -> Result<SymbolTable, String> {
Dec 18 07:28:28.631 INFO [stderr]     |                                             ^^^^^^^^^^^^^^ help: consider using `_funcdecls_node` instead
Dec 18 07:28:28.631 INFO [stderr]     |
Dec 18 07:28:28.631 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 07:28:28.631 INFO [stderr] 
Dec 18 07:28:28.632 INFO [stderr] warning: unused variable: `child`
Dec 18 07:28:28.632 INFO [stderr]    --> src/typechecker.rs:508:17
Dec 18 07:28:28.632 INFO [stderr]     |
Dec 18 07:28:28.632 INFO [stderr] 508 |             for child in rhs_node.children(arena) {
Dec 18 07:28:28.632 INFO [stderr]     |                 ^^^^^ help: consider using `_child` instead
Dec 18 07:28:28.632 INFO [stderr] 
Dec 18 07:28:28.632 INFO [stderr] warning: unused variable: `term_child_iter`
Dec 18 07:28:28.632 INFO [stderr]    --> src/typechecker.rs:644:13
Dec 18 07:28:28.632 INFO [stderr]     |
Dec 18 07:28:28.632 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 18 07:28:28.632 INFO [stderr]     |             ^^^^^^^^^^^^^^^ help: consider using `_term_child_iter` instead
Dec 18 07:28:28.632 INFO [stderr] 
Dec 18 07:28:28.632 INFO [stderr] warning: unused variable: `ast`
Dec 18 07:28:28.632 INFO [stderr]   --> src/main.rs:98:14
Dec 18 07:28:28.632 INFO [stderr]    |
Dec 18 07:28:28.632 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 18 07:28:28.632 INFO [stderr]    |              ^^^ help: consider using `_ast` instead
Dec 18 07:28:28.632 INFO [stderr] 
Dec 18 07:28:28.632 INFO [stderr] warning: unused variable: `param`
Dec 18 07:28:28.632 INFO [stderr]   --> src/typechecker.rs:59:14
Dec 18 07:28:28.632 INFO [stderr]    |
Dec 18 07:28:28.632 INFO [stderr] 59 |         for (param, param_type) in argmap.iter() {
Dec 18 07:28:28.632 INFO [stderr]    |              ^^^^^ help: consider using `_param` instead
Dec 18 07:28:28.632 INFO [stderr] 
Dec 18 07:28:28.655 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:28:28.655 INFO [stderr]   --> src/main.rs:98:10
Dec 18 07:28:28.655 INFO [stderr]    |
Dec 18 07:28:28.655 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 18 07:28:28.655 INFO [stderr]    |          ----^^^
Dec 18 07:28:28.655 INFO [stderr]    |          |
Dec 18 07:28:28.655 INFO [stderr]    |          help: remove this `mut`
Dec 18 07:28:28.655 INFO [stderr]    |
Dec 18 07:28:28.655 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:28:28.655 INFO [stderr] 
Dec 18 07:28:28.655 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:28:28.655 INFO [stderr]   --> src/main.rs:98:19
Dec 18 07:28:28.655 INFO [stderr]    |
Dec 18 07:28:28.655 INFO [stderr] 98 |     let (mut ast, mut new_ast) = match parser::parse_input(&grammar, &table, &mut tokens) {
Dec 18 07:28:28.655 INFO [stderr]    |                   ----^^^^^^^
Dec 18 07:28:28.655 INFO [stderr]    |                   |
Dec 18 07:28:28.655 INFO [stderr]    |                   help: remove this `mut`
Dec 18 07:28:28.655 INFO [stderr] 
Dec 18 07:28:28.655 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:28:28.655 INFO [stderr]    --> src/main.rs:109:10
Dec 18 07:28:28.655 INFO [stderr]     |
Dec 18 07:28:28.655 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 18 07:28:28.655 INFO [stderr]     |          ----^^^^^
Dec 18 07:28:28.655 INFO [stderr]     |          |
Dec 18 07:28:28.655 INFO [stderr]     |          help: remove this `mut`
Dec 18 07:28:28.655 INFO [stderr] 
Dec 18 07:28:28.655 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:28:28.655 INFO [stderr]    --> src/main.rs:109:21
Dec 18 07:28:28.655 INFO [stderr]     |
Dec 18 07:28:28.655 INFO [stderr] 109 |     let (mut arena, mut ast_root) = typechecker::build_ast(&new_ast);
Dec 18 07:28:28.655 INFO [stderr]     |                     ----^^^^^^^^
Dec 18 07:28:28.655 INFO [stderr]     |                     |
Dec 18 07:28:28.655 INFO [stderr]     |                     help: remove this `mut`
Dec 18 07:28:28.655 INFO [stderr] 
Dec 18 07:28:28.774 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:28:28.774 INFO [stderr]    --> src/typechecker.rs:644:9
Dec 18 07:28:28.774 INFO [stderr]     |
Dec 18 07:28:28.774 INFO [stderr] 644 |     let mut term_child_iter = curr_term_node.children(arena);
Dec 18 07:28:28.774 INFO [stderr]     |         ----^^^^^^^^^^^^^^^
Dec 18 07:28:28.774 INFO [stderr]     |         |
Dec 18 07:28:28.774 INFO [stderr]     |         help: remove this `mut`
Dec 18 07:28:28.774 INFO [stderr] 
Dec 18 07:28:28.784 INFO [stderr] warning: method is never used: `pop`
Dec 18 07:28:28.784 INFO [stderr]   --> src/typechecker.rs:27:5
Dec 18 07:28:28.784 INFO [stderr]    |
Dec 18 07:28:28.784 INFO [stderr] 27 |     fn pop(&mut self, id: &String) -> Option<DynamicType> {
Dec 18 07:28:28.784 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:28:28.784 INFO [stderr]    |
Dec 18 07:28:28.784 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:28:28.784 INFO [stderr] 
Dec 18 07:28:28.784 INFO [stderr] warning: function is never used: `debug_print_ast`
Dec 18 07:28:28.784 INFO [stderr]    --> src/typechecker.rs:779:1
Dec 18 07:28:28.784 INFO [stderr]     |
Dec 18 07:28:28.784 INFO [stderr] 779 | pub fn debug_print_ast(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 18 07:28:28.784 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:28:28.784 INFO [stderr] 
Dec 18 07:28:28.784 INFO [stderr] warning: function is never used: `debug_print_inner`
Dec 18 07:28:28.784 INFO [stderr]    --> src/typechecker.rs:784:1
Dec 18 07:28:28.784 INFO [stderr]     |
Dec 18 07:28:28.784 INFO [stderr] 784 | pub fn debug_print_inner(arena: &Arena<Rc<Token>>, node: NodeId) {
Dec 18 07:28:28.784 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:28:28.784 INFO [stderr] 
Dec 18 07:28:28.807 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.02s
Dec 18 07:28:29.072 INFO running `"docker" "inspect" "a8624f5759702ceb8b5624d93fd873f5177fa220c4ecb779a1915c0128a6b8ec"`
Dec 18 07:28:29.132 INFO running `"docker" "rm" "-f" "a8624f5759702ceb8b5624d93fd873f5177fa220c4ecb779a1915c0128a6b8ec"`
Dec 18 07:28:29.194 INFO [stdout] a8624f5759702ceb8b5624d93fd873f5177fa220c4ecb779a1915c0128a6b8ec