Dec 11 15:09:19.370 INFO checking kriw/regex_vm against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677 Dec 11 15:09:19.371 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 11 15:09:19.841 INFO [stdout] 0070af4a6d813e1536d1878774bf0aeb59630a5cd765a852178445c455ff87e0 Dec 11 15:09:19.846 INFO running `"docker" "start" "-a" "0070af4a6d813e1536d1878774bf0aeb59630a5cd765a852178445c455ff87e0"` Dec 11 15:09:21.683 INFO [stderr] usermod: no changes Dec 11 15:09:21.756 INFO [stderr] Checking regex_vm v0.1.0 (/source) Dec 11 15:09:22.180 INFO [stderr] warning: unused import: `parser::Ast` Dec 11 15:09:22.180 INFO [stderr] --> src/vm.rs:3:5 Dec 11 15:09:22.180 INFO [stderr] | Dec 11 15:09:22.180 INFO [stderr] 3 | use parser::Ast; Dec 11 15:09:22.180 INFO [stderr] | ^^^^^^^^^^^ Dec 11 15:09:22.180 INFO [stderr] | Dec 11 15:09:22.180 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 11 15:09:22.180 INFO [stderr] Dec 11 15:09:22.180 INFO [stderr] warning: unused import: `std::thread` Dec 11 15:09:22.180 INFO [stderr] --> src/vm_ir.rs:1:5 Dec 11 15:09:22.180 INFO [stderr] | Dec 11 15:09:22.180 INFO [stderr] 1 | use std::thread; Dec 11 15:09:22.180 INFO [stderr] | ^^^^^^^^^^^ Dec 11 15:09:22.180 INFO [stderr] Dec 11 15:09:22.308 INFO [stderr] warning: unused variable: `pc` Dec 11 15:09:22.308 INFO [stderr] --> src/vm.rs:51:17 Dec 11 15:09:22.308 INFO [stderr] | Dec 11 15:09:22.308 INFO [stderr] 51 | Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)], Dec 11 15:09:22.308 INFO [stderr] | ^^ help: consider using `_pc` instead Dec 11 15:09:22.308 INFO [stderr] | Dec 11 15:09:22.308 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 11 15:09:22.308 INFO [stderr] Dec 11 15:09:22.308 INFO [stderr] warning: unused variable: `pc` Dec 11 15:09:22.308 INFO [stderr] --> src/vm.rs:52:19 Dec 11 15:09:22.308 INFO [stderr] | Dec 11 15:09:22.308 INFO [stderr] 52 | Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)], Dec 11 15:09:22.308 INFO [stderr] | ^^ help: consider using `_pc` instead Dec 11 15:09:22.308 INFO [stderr] Dec 11 15:09:22.332 INFO [stderr] warning: variable does not need to be mutable Dec 11 15:09:22.332 INFO [stderr] --> src/vm.rs:12:28 Dec 11 15:09:22.332 INFO [stderr] | Dec 11 15:09:22.332 INFO [stderr] 12 | pub fn is_match(s: String, mut ir: Vec) -> bool { Dec 11 15:09:22.332 INFO [stderr] | ----^^ Dec 11 15:09:22.332 INFO [stderr] | | Dec 11 15:09:22.332 INFO [stderr] | help: remove this `mut` Dec 11 15:09:22.332 INFO [stderr] | Dec 11 15:09:22.332 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 11 15:09:22.332 INFO [stderr] Dec 11 15:09:22.344 INFO [stderr] warning: variable does not need to be mutable Dec 11 15:09:22.344 INFO [stderr] --> src/vm_ir.rs:70:9 Dec 11 15:09:22.344 INFO [stderr] | Dec 11 15:09:22.344 INFO [stderr] 70 | let mut code = compose(ast, &mut pc); Dec 11 15:09:22.344 INFO [stderr] | ----^^^^ Dec 11 15:09:22.344 INFO [stderr] | | Dec 11 15:09:22.344 INFO [stderr] | help: remove this `mut` Dec 11 15:09:22.344 INFO [stderr] Dec 11 15:09:22.344 INFO [stderr] warning: variant is never constructed: `Nop` Dec 11 15:09:22.344 INFO [stderr] --> src/vm_ir.rs:10:5 Dec 11 15:09:22.344 INFO [stderr] | Dec 11 15:09:22.344 INFO [stderr] 10 | Nop(PC), Dec 11 15:09:22.344 INFO [stderr] | ^^^^^^^ Dec 11 15:09:22.344 INFO [stderr] | Dec 11 15:09:22.344 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 11 15:09:22.344 INFO [stderr] Dec 11 15:09:22.344 INFO [stderr] warning: function is never used: `dump` Dec 11 15:09:22.344 INFO [stderr] --> src/vm_ir.rs:76:1 Dec 11 15:09:22.344 INFO [stderr] | Dec 11 15:09:22.344 INFO [stderr] 76 | pub fn dump(irs: Vec) { Dec 11 15:09:22.344 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 15:09:22.344 INFO [stderr] Dec 11 15:09:22.437 INFO [stderr] warning: unused import: `parser::Ast` Dec 11 15:09:22.437 INFO [stderr] --> src/vm.rs:3:5 Dec 11 15:09:22.437 INFO [stderr] | Dec 11 15:09:22.437 INFO [stderr] 3 | use parser::Ast; Dec 11 15:09:22.437 INFO [stderr] | ^^^^^^^^^^^ Dec 11 15:09:22.437 INFO [stderr] | Dec 11 15:09:22.437 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 11 15:09:22.437 INFO [stderr] Dec 11 15:09:22.437 INFO [stderr] warning: unused import: `std::thread` Dec 11 15:09:22.437 INFO [stderr] --> src/vm_ir.rs:1:5 Dec 11 15:09:22.437 INFO [stderr] | Dec 11 15:09:22.437 INFO [stderr] 1 | use std::thread; Dec 11 15:09:22.437 INFO [stderr] | ^^^^^^^^^^^ Dec 11 15:09:22.437 INFO [stderr] Dec 11 15:09:22.584 INFO [stderr] warning: unused variable: `pc` Dec 11 15:09:22.584 INFO [stderr] --> src/vm.rs:51:17 Dec 11 15:09:22.584 INFO [stderr] | Dec 11 15:09:22.584 INFO [stderr] 51 | Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)], Dec 11 15:09:22.584 INFO [stderr] | ^^ help: consider using `_pc` instead Dec 11 15:09:22.584 INFO [stderr] | Dec 11 15:09:22.584 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 11 15:09:22.584 INFO [stderr] Dec 11 15:09:22.584 INFO [stderr] warning: unused variable: `pc` Dec 11 15:09:22.584 INFO [stderr] --> src/vm.rs:52:19 Dec 11 15:09:22.584 INFO [stderr] | Dec 11 15:09:22.584 INFO [stderr] 52 | Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)], Dec 11 15:09:22.584 INFO [stderr] | ^^ help: consider using `_pc` instead Dec 11 15:09:22.584 INFO [stderr] Dec 11 15:09:22.608 INFO [stderr] warning: variable does not need to be mutable Dec 11 15:09:22.608 INFO [stderr] --> src/vm.rs:12:28 Dec 11 15:09:22.608 INFO [stderr] | Dec 11 15:09:22.608 INFO [stderr] 12 | pub fn is_match(s: String, mut ir: Vec) -> bool { Dec 11 15:09:22.608 INFO [stderr] | ----^^ Dec 11 15:09:22.608 INFO [stderr] | | Dec 11 15:09:22.608 INFO [stderr] | help: remove this `mut` Dec 11 15:09:22.608 INFO [stderr] | Dec 11 15:09:22.608 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 11 15:09:22.608 INFO [stderr] Dec 11 15:09:22.616 INFO [stderr] warning: variable does not need to be mutable Dec 11 15:09:22.616 INFO [stderr] --> src/vm_ir.rs:70:9 Dec 11 15:09:22.616 INFO [stderr] | Dec 11 15:09:22.616 INFO [stderr] 70 | let mut code = compose(ast, &mut pc); Dec 11 15:09:22.616 INFO [stderr] | ----^^^^ Dec 11 15:09:22.616 INFO [stderr] | | Dec 11 15:09:22.616 INFO [stderr] | help: remove this `mut` Dec 11 15:09:22.616 INFO [stderr] Dec 11 15:09:22.616 INFO [stderr] warning: variant is never constructed: `Nop` Dec 11 15:09:22.616 INFO [stderr] --> src/vm_ir.rs:10:5 Dec 11 15:09:22.616 INFO [stderr] | Dec 11 15:09:22.616 INFO [stderr] 10 | Nop(PC), Dec 11 15:09:22.616 INFO [stderr] | ^^^^^^^ Dec 11 15:09:22.616 INFO [stderr] | Dec 11 15:09:22.616 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 11 15:09:22.616 INFO [stderr] Dec 11 15:09:22.616 INFO [stderr] warning: function is never used: `dump` Dec 11 15:09:22.616 INFO [stderr] --> src/vm_ir.rs:76:1 Dec 11 15:09:22.616 INFO [stderr] | Dec 11 15:09:22.616 INFO [stderr] 76 | pub fn dump(irs: Vec) { Dec 11 15:09:22.616 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 11 15:09:22.616 INFO [stderr] Dec 11 15:09:22.660 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.94s Dec 11 15:09:22.672 INFO [stderr] su: No module specific data is present Dec 11 15:09:23.656 INFO running `"docker" "inspect" "0070af4a6d813e1536d1878774bf0aeb59630a5cd765a852178445c455ff87e0"` Dec 11 15:09:24.004 INFO running `"docker" "rm" "-f" "0070af4a6d813e1536d1878774bf0aeb59630a5cd765a852178445c455ff87e0"` Dec 11 15:09:24.256 INFO [stdout] 0070af4a6d813e1536d1878774bf0aeb59630a5cd765a852178445c455ff87e0