[INFO] cloning repository GodTamIt/tiger-compiler-rs [INFO] running `"git" "clone" "--bare" "git://github.com/GodTamIt/tiger-compiler-rs.git" "work/cache/sources/gh/GodTamIt/tiger-compiler-rs"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/GodTamIt/tiger-compiler-rs'... [INFO] running `"git" "clone" "work/cache/sources/gh/GodTamIt/tiger-compiler-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/GodTamIt/tiger-compiler-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/GodTamIt/tiger-compiler-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/GodTamIt/tiger-compiler-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/GodTamIt/tiger-compiler-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/GodTamIt/tiger-compiler-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] db3c1f50e45097e90ee029c88c7b80322c08c2fe [INFO] sha for GitHub repo GodTamIt/tiger-compiler-rs: db3c1f50e45097e90ee029c88c7b80322c08c2fe [INFO] validating manifest of GodTamIt/tiger-compiler-rs on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of GodTamIt/tiger-compiler-rs on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing GodTamIt/tiger-compiler-rs [INFO] finished frobbing GodTamIt/tiger-compiler-rs [INFO] frobbed toml for GodTamIt/tiger-compiler-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/GodTamIt/tiger-compiler-rs/Cargo.toml [INFO] started frobbing GodTamIt/tiger-compiler-rs [INFO] finished frobbing GodTamIt/tiger-compiler-rs [INFO] frobbed toml for GodTamIt/tiger-compiler-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/GodTamIt/tiger-compiler-rs/Cargo.toml [INFO] crate GodTamIt/tiger-compiler-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing GodTamIt/tiger-compiler-rs against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 53625d3800d6480921ba379ff9adf28a23ac071a6f8301efcc6f7c0be9e638ea [INFO] running `"docker" "start" "-a" "53625d3800d6480921ba379ff9adf28a23ac071a6f8301efcc6f7c0be9e638ea"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling serde_json v1.0.13 [INFO] [stderr] Compiling serde_derive_internals v0.22.1 [INFO] [stderr] Compiling env_logger v0.5.6 [INFO] [stderr] Compiling serde_derive v1.0.35 [INFO] [stderr] Compiling cs4240 v0.1.0 (/opt/crater/workdir) [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: consider prefixing 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>, atable: &SymbolTable) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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 { [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:779:1 [INFO] [stderr] | [INFO] [stderr] 779 | pub fn debug_print_ast(arena: &Arena>, node: NodeId) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `debug_print_inner` [INFO] [stderr] --> src/typechecker.rs:784:1 [INFO] [stderr] | [INFO] [stderr] 784 | pub fn debug_print_inner(arena: &Arena>, node: NodeId) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.53s [INFO] running `"docker" "inspect" "53625d3800d6480921ba379ff9adf28a23ac071a6f8301efcc6f7c0be9e638ea"` [INFO] running `"docker" "rm" "-f" "53625d3800d6480921ba379ff9adf28a23ac071a6f8301efcc6f7c0be9e638ea"` [INFO] [stdout] 53625d3800d6480921ba379ff9adf28a23ac071a6f8301efcc6f7c0be9e638ea [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 43843b901ee6e71536181289942a7df5db9b54e3fce5b440c84ff06fd2b059a1 [INFO] running `"docker" "start" "-a" "43843b901ee6e71536181289942a7df5db9b54e3fce5b440c84ff06fd2b059a1"` [INFO] [stderr] Compiling cs4240 v0.1.0 (/opt/crater/workdir) [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: consider prefixing 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>, atable: &SymbolTable) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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 { [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:779:1 [INFO] [stderr] | [INFO] [stderr] 779 | pub fn debug_print_ast(arena: &Arena>, node: NodeId) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `debug_print_inner` [INFO] [stderr] --> src/typechecker.rs:784:1 [INFO] [stderr] | [INFO] [stderr] 784 | pub fn debug_print_inner(arena: &Arena>, node: NodeId) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `"docker" "inspect" "43843b901ee6e71536181289942a7df5db9b54e3fce5b440c84ff06fd2b059a1"` [INFO] running `"docker" "rm" "-f" "43843b901ee6e71536181289942a7df5db9b54e3fce5b440c84ff06fd2b059a1"` [INFO] [stdout] 43843b901ee6e71536181289942a7df5db9b54e3fce5b440c84ff06fd2b059a1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 0a9f8f41f704be05f92328180fd8430ef88402b5fa5dc8f7b8a8a297d86326ff [INFO] running `"docker" "start" "-a" "0a9f8f41f704be05f92328180fd8430ef88402b5fa5dc8f7b8a8a297d86326ff"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/cs4240-d4a7fd24dd3a2098 [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" "0a9f8f41f704be05f92328180fd8430ef88402b5fa5dc8f7b8a8a297d86326ff"` [INFO] running `"docker" "rm" "-f" "0a9f8f41f704be05f92328180fd8430ef88402b5fa5dc8f7b8a8a297d86326ff"` [INFO] [stdout] 0a9f8f41f704be05f92328180fd8430ef88402b5fa5dc8f7b8a8a297d86326ff