[INFO] cloning repository https://github.com/AmberThrall/TinyC [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmberThrall/TinyC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmberThrall%2FTinyC", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmberThrall%2FTinyC'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dc43da8e0642cac9de1cc7002d7092b9efb791db [INFO] checking AmberThrall/TinyC against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmberThrall%2FTinyC" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/AmberThrall/TinyC [INFO] finished tweaking git repo https://github.com/AmberThrall/TinyC [INFO] tweaked toml for git repo https://github.com/AmberThrall/TinyC written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/AmberThrall/TinyC on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/AmberThrall/TinyC 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9f3c337f221c29f61e9235b8a4a5055cb5e88a2f57bddd3b300f2c0c5f1461b [INFO] running `Command { std: "docker" "start" "-a" "b9f3c337f221c29f61e9235b8a4a5055cb5e88a2f57bddd3b300f2c0c5f1461b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9f3c337f221c29f61e9235b8a4a5055cb5e88a2f57bddd3b300f2c0c5f1461b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9f3c337f221c29f61e9235b8a4a5055cb5e88a2f57bddd3b300f2c0c5f1461b", kill_on_drop: false }` [INFO] [stdout] b9f3c337f221c29f61e9235b8a4a5055cb5e88a2f57bddd3b300f2c0c5f1461b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c546e3da7214b9049d9eb80cd4fffff2d69c67e10f6780addb12cf9e5a38aa9b [INFO] running `Command { std: "docker" "start" "-a" "c546e3da7214b9049d9eb80cd4fffff2d69c67e10f6780addb12cf9e5a38aa9b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling clap_derive v3.1.7 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking clap v3.1.8 [INFO] [stderr] Checking tinyc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parser.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | _ => format!(" {};", name) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/parser.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 122 | ... Node::Program { statement } => match statement { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 126 | ... Node::IfStatement { paren_expr, statement } => format!(" {} [label=\"IfStatement\"];\n{}\n{}", name, [INFO] [stdout] | ------------------------------------------- matches some of the same values [INFO] [stdout] 127 | ... paren_expr.graphviz_build_nodes(new_indices(0)), statement.graphviz_build_nodes(new_indices(1))), [INFO] [stdout] 128 | ... Node::IfElseStatement { paren_expr, true_statement, false_statement } => format!(" {} [label=\"IfElseStatement\"];\n{}\n{}\n{}", [INFO] [stdout] | --------------------------------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 133 | ... Node::WhileStatement { paren_expr, statement } => format!(" {} [label=\"WhileStatement\"];\n{}\n{}", name, [INFO] [stdout] | ---------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 149 | ... _ => format!(" {};", name) [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parser.rs:214:13 [INFO] [stdout] | [INFO] [stdout] 214 | _ => format!(" // Unknown node: {:?}\n", self) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/parser.rs:214:13 [INFO] [stdout] | [INFO] [stdout] 167 | Node::Program { statement } => match statement { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 171 | Node::IfStatement { paren_expr, statement } => format!( [INFO] [stdout] | ------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 177 | Node::IfElseStatement { paren_expr, true_statement, false_statement } => format!( [INFO] [stdout] | --------------------------------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 184 | Node::WhileStatement { paren_expr, statement } => format!( [INFO] [stdout] | ---------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 214 | _ => format!(" // Unknown node: {:?}\n", self) [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/parser.rs:208:30 [INFO] [stdout] | [INFO] [stdout] 208 | Node::BinaryOp { op, lhs, rhs } => format!( [INFO] [stdout] | ^^ help: try ignoring the field: `op: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/eval.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 34 | if let Some(x) = scope.get(&ident) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | _ => Err(format!("Unsupported node '{:?}'", node)) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/eval.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 57 | Node::Program { statement } => match statement { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 61 | Node::IfStatement { paren_expr, statement } => { [INFO] [stdout] | ------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 69 | Node::IfElseStatement { paren_expr, true_statement, false_statement } => { [INFO] [stdout] | --------------------------------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 77 | Node::WhileStatement { paren_expr, statement } => { [INFO] [stdout] | ---------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 146 | _ => Err(format!("Unsupported node '{:?}'", node)) [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | _ => Err(format!("Unknown operator {:?}", op)) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/eval.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 122 | Operator::Assign => { [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 131 | Operator::Plus => Ok(Some(self.eval(&lhs)?.unwrap() + r)), [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] 132 | Operator::Minus => Ok(Some(self.eval(&lhs)?.unwrap() - r)), [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] 133 | Operator::Times => Ok(Some(self.eval(&lhs)?.unwrap() * r)), [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 143 | _ => Err(format!("Unknown operator {:?}", op)) [INFO] [stdout] | ^ ...and 9 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clear_stack` is never used [INFO] [stdout] --> src/eval.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Evaluator { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn clear_stack(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parser.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | _ => format!(" {};", name) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/parser.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 122 | ... Node::Program { statement } => match statement { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 126 | ... Node::IfStatement { paren_expr, statement } => format!(" {} [label=\"IfStatement\"];\n{}\n{}", name, [INFO] [stdout] | ------------------------------------------- matches some of the same values [INFO] [stdout] 127 | ... paren_expr.graphviz_build_nodes(new_indices(0)), statement.graphviz_build_nodes(new_indices(1))), [INFO] [stdout] 128 | ... Node::IfElseStatement { paren_expr, true_statement, false_statement } => format!(" {} [label=\"IfElseStatement\"];\n{}\n{}\n{}", [INFO] [stdout] | --------------------------------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 133 | ... Node::WhileStatement { paren_expr, statement } => format!(" {} [label=\"WhileStatement\"];\n{}\n{}", name, [INFO] [stdout] | ---------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 149 | ... _ => format!(" {};", name) [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parser.rs:214:13 [INFO] [stdout] | [INFO] [stdout] 214 | _ => format!(" // Unknown node: {:?}\n", self) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/parser.rs:214:13 [INFO] [stdout] | [INFO] [stdout] 167 | Node::Program { statement } => match statement { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 171 | Node::IfStatement { paren_expr, statement } => format!( [INFO] [stdout] | ------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 177 | Node::IfElseStatement { paren_expr, true_statement, false_statement } => format!( [INFO] [stdout] | --------------------------------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 184 | Node::WhileStatement { paren_expr, statement } => format!( [INFO] [stdout] | ---------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 214 | _ => format!(" // Unknown node: {:?}\n", self) [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/parser.rs:208:30 [INFO] [stdout] | [INFO] [stdout] 208 | Node::BinaryOp { op, lhs, rhs } => format!( [INFO] [stdout] | ^^ help: try ignoring the field: `op: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/eval.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 34 | if let Some(x) = scope.get(&ident) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | _ => Err(format!("Unsupported node '{:?}'", node)) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/eval.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 57 | Node::Program { statement } => match statement { [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 61 | Node::IfStatement { paren_expr, statement } => { [INFO] [stdout] | ------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 69 | Node::IfElseStatement { paren_expr, true_statement, false_statement } => { [INFO] [stdout] | --------------------------------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 77 | Node::WhileStatement { paren_expr, statement } => { [INFO] [stdout] | ---------------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 146 | _ => Err(format!("Unsupported node '{:?}'", node)) [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/eval.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | _ => Err(format!("Unknown operator {:?}", op)) [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/eval.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 122 | Operator::Assign => { [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 131 | Operator::Plus => Ok(Some(self.eval(&lhs)?.unwrap() + r)), [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] 132 | Operator::Minus => Ok(Some(self.eval(&lhs)?.unwrap() - r)), [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] 133 | Operator::Times => Ok(Some(self.eval(&lhs)?.unwrap() * r)), [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 143 | _ => Err(format!("Unknown operator {:?}", op)) [INFO] [stdout] | ^ ...and 9 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clear_stack` is never used [INFO] [stdout] --> src/eval.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Evaluator { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 15 | pub fn clear_stack(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.54s [INFO] running `Command { std: "docker" "inspect" "c546e3da7214b9049d9eb80cd4fffff2d69c67e10f6780addb12cf9e5a38aa9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c546e3da7214b9049d9eb80cd4fffff2d69c67e10f6780addb12cf9e5a38aa9b", kill_on_drop: false }` [INFO] [stdout] c546e3da7214b9049d9eb80cd4fffff2d69c67e10f6780addb12cf9e5a38aa9b