[INFO] cloning repository https://github.com/lcolonq/virgil [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lcolonq/virgil" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcolonq%2Fvirgil", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcolonq%2Fvirgil'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dac61bd72947e245ed79de4d55644dd99d85b09b [INFO] checking lcolonq/virgil against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcolonq%2Fvirgil" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] [stderr] Updating files: 95% (6310/6587) Updating files: 96% (6324/6587) Updating files: 97% (6390/6587) Updating files: 98% (6456/6587) Updating files: 99% (6522/6587) Updating files: 100% (6587/6587) Updating files: 100% (6587/6587), done. [INFO] validating manifest of git repo https://github.com/lcolonq/virgil on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lcolonq/virgil [INFO] finished tweaking git repo https://github.com/lcolonq/virgil [INFO] tweaked toml for git repo https://github.com/lcolonq/virgil written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lcolonq/virgil already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lang-c v0.15.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51ff120ab8975e2eb9abf5de9a5432a5d9dbf39dee28aeaa0e85bf588d185024 [INFO] running `Command { std: "docker" "start" "-a" "51ff120ab8975e2eb9abf5de9a5432a5d9dbf39dee28aeaa0e85bf588d185024", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51ff120ab8975e2eb9abf5de9a5432a5d9dbf39dee28aeaa0e85bf588d185024", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51ff120ab8975e2eb9abf5de9a5432a5d9dbf39dee28aeaa0e85bf588d185024", kill_on_drop: false }` [INFO] [stdout] 51ff120ab8975e2eb9abf5de9a5432a5d9dbf39dee28aeaa0e85bf588d185024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a17ca72046c6d93b504a1f9b15af414554b9c5c0c0edf70d9ea56406970bb73 [INFO] running `Command { std: "docker" "start" "-a" "5a17ca72046c6d93b504a1f9b15af414554b9c5c0c0edf70d9ea56406970bb73", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.18 [INFO] [stderr] Checking simd-adler32 v0.3.7 [INFO] [stderr] Compiling proc-macro2 v1.0.71 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling rustix v0.38.28 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking weezl v0.1.7 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking bit_field v0.10.2 [INFO] [stderr] Checking half v2.2.1 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking bytemuck v1.14.0 [INFO] [stderr] Checking lebe v0.5.2 [INFO] [stderr] Compiling anyhow v1.0.79 [INFO] [stderr] Checking termcolor v1.4.0 [INFO] [stderr] Checking gif v0.12.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking zune-inflate v0.2.54 [INFO] [stderr] Checking fdeflate v0.3.3 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking qoi v0.4.1 [INFO] [stderr] Checking pico-args v0.5.0 [INFO] [stderr] Checking lang-c v0.15.1 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.17 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking png v0.17.10 [INFO] [stderr] Checking crossbeam-deque v0.8.4 [INFO] [stderr] Compiling syn v2.0.43 [INFO] [stderr] Checking rayon-core v1.12.0 [INFO] [stderr] Checking is-terminal v0.4.10 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking exr v1.71.0 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking jpeg-decoder v0.3.0 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking tiff v0.9.0 [INFO] [stderr] Checking env_logger v0.10.1 [INFO] [stderr] Checking image v0.24.7 [INFO] [stderr] Checking serde v1.0.193 [INFO] [stderr] Checking serde_json v1.0.108 [INFO] [stderr] Checking virgil v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/compiler.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | _ => panic!("unsupported type in sizeof"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vm` [INFO] [stdout] --> src/compiler.rs:37:26 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn sizeof(&self, vm: &State) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_vm` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/compiler.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | _ => panic!("unsupported type in sizeof"), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vm` [INFO] [stdout] --> src/compiler.rs:37:26 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn sizeof(&self, vm: &State) -> u64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_vm` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/vm.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Instruction { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 8 | Lit32(u32), [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | ReadAddr, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] 22 | Mul, [INFO] [stdout] | ^^^ [INFO] [stdout] 23 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] 24 | Mod, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | Over, [INFO] [stdout] | ^^^^ [INFO] [stdout] 31 | Swap, [INFO] [stdout] 32 | Drop, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | JumpIf, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Empty` is never constructed [INFO] [stdout] --> src/vm.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 93 | pub enum Value { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 94 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Value` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `reset` is never used [INFO] [stdout] --> src/vm.rs:570:12 [INFO] [stdout] | [INFO] [stdout] 563 | impl Program { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 570 | pub fn reset(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/vm.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Instruction { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 8 | Lit32(u32), [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | ReadAddr, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] 22 | Mul, [INFO] [stdout] | ^^^ [INFO] [stdout] 23 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] 24 | Mod, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | Over, [INFO] [stdout] | ^^^^ [INFO] [stdout] 31 | Swap, [INFO] [stdout] 32 | Drop, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | JumpIf, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Empty` is never constructed [INFO] [stdout] --> src/vm.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 93 | pub enum Value { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 94 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Value` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `reset` is never used [INFO] [stdout] --> src/vm.rs:570:12 [INFO] [stdout] | [INFO] [stdout] 563 | impl Program { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 570 | pub fn reset(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.49s [INFO] running `Command { std: "docker" "inspect" "5a17ca72046c6d93b504a1f9b15af414554b9c5c0c0edf70d9ea56406970bb73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a17ca72046c6d93b504a1f9b15af414554b9c5c0c0edf70d9ea56406970bb73", kill_on_drop: false }` [INFO] [stdout] 5a17ca72046c6d93b504a1f9b15af414554b9c5c0c0edf70d9ea56406970bb73