[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 try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkriw%2Fregex_vm" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kriw/regex_vm on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2991c7a4e98ea31b656537fe20db54b1db796f0dce1b4bf761f04f7ea4d3e35b [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" "2991c7a4e98ea31b656537fe20db54b1db796f0dce1b4bf761f04f7ea4d3e35b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2991c7a4e98ea31b656537fe20db54b1db796f0dce1b4bf761f04f7ea4d3e35b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2991c7a4e98ea31b656537fe20db54b1db796f0dce1b4bf761f04f7ea4d3e35b", kill_on_drop: false }` [INFO] [stdout] 2991c7a4e98ea31b656537fe20db54b1db796f0dce1b4bf761f04f7ea4d3e35b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ae7dfbb0189a01204d00330aefa1c91a7caba2fe2ea5c9e24f258a1d5acbe04 [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" "1ae7dfbb0189a01204d00330aefa1c91a7caba2fe2ea5c9e24f258a1d5acbe04", kill_on_drop: false }` [INFO] [stderr] Checking regex_vm v0.1.0 (/opt/rustwide/workdir) [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 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: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: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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "1ae7dfbb0189a01204d00330aefa1c91a7caba2fe2ea5c9e24f258a1d5acbe04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ae7dfbb0189a01204d00330aefa1c91a7caba2fe2ea5c9e24f258a1d5acbe04", kill_on_drop: false }` [INFO] [stdout] 1ae7dfbb0189a01204d00330aefa1c91a7caba2fe2ea5c9e24f258a1d5acbe04