[INFO] cloning repository https://github.com/kriw/regex_vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kriw/regex_vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriw%2Fregex_vm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriw%2Fregex_vm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1d17f3a5917b967c4fcded7bd4200de23d708166 [INFO] checking kriw/regex_vm against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriw%2Fregex_vm" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kriw/regex_vm on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kriw/regex_vm [INFO] finished tweaking git repo https://github.com/kriw/regex_vm [INFO] tweaked toml for git repo https://github.com/kriw/regex_vm written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/kriw/regex_vm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 36b0a4aba60225d45547597f2c25c9e0368581740014e234ca1833d505de964a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "36b0a4aba60225d45547597f2c25c9e0368581740014e234ca1833d505de964a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36b0a4aba60225d45547597f2c25c9e0368581740014e234ca1833d505de964a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36b0a4aba60225d45547597f2c25c9e0368581740014e234ca1833d505de964a", kill_on_drop: false }` [INFO] [stdout] 36b0a4aba60225d45547597f2c25c9e0368581740014e234ca1833d505de964a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae99b3a6d3b0451b1d40eceafd759d1097fa9f14bef7022dcb748a59b4c65559 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ae99b3a6d3b0451b1d40eceafd759d1097fa9f14bef7022dcb748a59b4c65559", kill_on_drop: false }` [INFO] [stderr] Checking regex_vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/parser.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parser::Ast` [INFO] [stdout] --> src/vm.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use parser::Ast; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/vm_ir.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/parser.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parser::Ast` [INFO] [stdout] --> src/vm.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use parser::Ast; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/vm_ir.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pc` [INFO] [stdout] --> src/vm.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)], [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pc` [INFO] [stdout] --> src/vm.rs:52:19 [INFO] [stdout] | [INFO] [stdout] 52 | Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)], [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vm.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn is_match(s: String, mut ir: Vec) -> bool { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vm_ir.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut code = compose(ast, &mut pc); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nop` [INFO] [stdout] --> src/vm_ir.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Nop(PC), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dump` [INFO] [stdout] --> src/vm_ir.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn dump(irs: Vec) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pc` [INFO] [stdout] --> src/vm.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)], [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pc` [INFO] [stdout] --> src/vm.rs:52:19 [INFO] [stdout] | [INFO] [stdout] 52 | Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)], [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vm.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn is_match(s: String, mut ir: Vec) -> bool { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vm_ir.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut code = compose(ast, &mut pc); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nop` [INFO] [stdout] --> src/vm_ir.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Nop(PC), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dump` [INFO] [stdout] --> src/vm_ir.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn dump(irs: Vec) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "ae99b3a6d3b0451b1d40eceafd759d1097fa9f14bef7022dcb748a59b4c65559", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae99b3a6d3b0451b1d40eceafd759d1097fa9f14bef7022dcb748a59b4c65559", kill_on_drop: false }` [INFO] [stdout] ae99b3a6d3b0451b1d40eceafd759d1097fa9f14bef7022dcb748a59b4c65559