[INFO] cloning repository kriw/regex_vm [INFO] running `"git" "clone" "--bare" "git://github.com/kriw/regex_vm.git" "work/cache/sources/gh/kriw/regex_vm"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kriw/regex_vm'... [INFO] running `"git" "clone" "work/cache/sources/gh/kriw/regex_vm" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kriw/regex_vm"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kriw/regex_vm'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kriw/regex_vm" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kriw/regex_vm"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kriw/regex_vm'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1d17f3a5917b967c4fcded7bd4200de23d708166 [INFO] sha for GitHub repo kriw/regex_vm: 1d17f3a5917b967c4fcded7bd4200de23d708166 [INFO] validating manifest of kriw/regex_vm 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 kriw/regex_vm 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 kriw/regex_vm [INFO] finished frobbing kriw/regex_vm [INFO] frobbed toml for kriw/regex_vm written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kriw/regex_vm/Cargo.toml [INFO] started frobbing kriw/regex_vm [INFO] finished frobbing kriw/regex_vm [INFO] frobbed toml for kriw/regex_vm written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kriw/regex_vm/Cargo.toml [INFO] crate kriw/regex_vm 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 kriw/regex_vm against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kriw/regex_vm:/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] 23251a39a2fce507e521b427bb6858a347933c991ff040d7946ee2554f4fc02a [INFO] running `"docker" "start" "-a" "23251a39a2fce507e521b427bb6858a347933c991ff040d7946ee2554f4fc02a"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling regex_vm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `parser::Ast` [INFO] [stderr] --> src/vm.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use parser::Ast; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/vm_ir.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pc` [INFO] [stderr] --> src/vm.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)], [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_pc` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pc` [INFO] [stderr] --> src/vm.rs:52:19 [INFO] [stderr] | [INFO] [stderr] 52 | Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)], [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_pc` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/vm.rs:12:28 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn is_match(s: String, mut ir: Vec) -> bool { [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/vm_ir.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut code = compose(ast, &mut pc); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nop` [INFO] [stderr] --> src/vm_ir.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Nop(PC), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dump` [INFO] [stderr] --> src/vm_ir.rs:76:1 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn dump(irs: Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.39s [INFO] running `"docker" "inspect" "23251a39a2fce507e521b427bb6858a347933c991ff040d7946ee2554f4fc02a"` [INFO] running `"docker" "rm" "-f" "23251a39a2fce507e521b427bb6858a347933c991ff040d7946ee2554f4fc02a"` [INFO] [stdout] 23251a39a2fce507e521b427bb6858a347933c991ff040d7946ee2554f4fc02a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kriw/regex_vm:/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] 799234e69ea92e655a96cff0fff14c0505f879bf18240c8f6a026c3eb34769f3 [INFO] running `"docker" "start" "-a" "799234e69ea92e655a96cff0fff14c0505f879bf18240c8f6a026c3eb34769f3"` [INFO] [stderr] Compiling regex_vm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `parser::Ast` [INFO] [stderr] --> src/vm.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use parser::Ast; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/vm_ir.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pc` [INFO] [stderr] --> src/vm.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)], [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_pc` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pc` [INFO] [stderr] --> src/vm.rs:52:19 [INFO] [stderr] | [INFO] [stderr] 52 | Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)], [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_pc` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/vm.rs:12:28 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn is_match(s: String, mut ir: Vec) -> bool { [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/vm_ir.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut code = compose(ast, &mut pc); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nop` [INFO] [stderr] --> src/vm_ir.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Nop(PC), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dump` [INFO] [stderr] --> src/vm_ir.rs:76:1 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn dump(irs: Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `"docker" "inspect" "799234e69ea92e655a96cff0fff14c0505f879bf18240c8f6a026c3eb34769f3"` [INFO] running `"docker" "rm" "-f" "799234e69ea92e655a96cff0fff14c0505f879bf18240c8f6a026c3eb34769f3"` [INFO] [stdout] 799234e69ea92e655a96cff0fff14c0505f879bf18240c8f6a026c3eb34769f3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kriw/regex_vm:/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] cb429cf58b3b237f58ffcc64f84364025286f0e06df652fc4d14bf95e50ce4ca [INFO] running `"docker" "start" "-a" "cb429cf58b3b237f58ffcc64f84364025286f0e06df652fc4d14bf95e50ce4ca"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/regex_vm-50ecc3874267005b [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test parser_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "cb429cf58b3b237f58ffcc64f84364025286f0e06df652fc4d14bf95e50ce4ca"` [INFO] running `"docker" "rm" "-f" "cb429cf58b3b237f58ffcc64f84364025286f0e06df652fc4d14bf95e50ce4ca"` [INFO] [stdout] cb429cf58b3b237f58ffcc64f84364025286f0e06df652fc4d14bf95e50ce4ca