[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] testing AmberThrall/TinyC against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmberThrall%2FTinyC" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AmberThrall/TinyC on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded pest v2.1.3
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded clap_derive v3.1.7
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] [stderr]   Downloaded clap v3.1.8
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29467087b05588377da29b1f4b201811dc42cc5fb657aca7a79d2779370ccbcb
[INFO] running `Command { std: "docker" "start" "-a" "29467087b05588377da29b1f4b201811dc42cc5fb657aca7a79d2779370ccbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29467087b05588377da29b1f4b201811dc42cc5fb657aca7a79d2779370ccbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29467087b05588377da29b1f4b201811dc42cc5fb657aca7a79d2779370ccbcb", kill_on_drop: false }`
[INFO] [stdout] 29467087b05588377da29b1f4b201811dc42cc5fb657aca7a79d2779370ccbcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de28feae5694e61a62f5b3d54a09eb3ddaf95bff7549b4a36707345cde59b19
[INFO] running `Command { std: "docker" "start" "-a" "7de28feae5694e61a62f5b3d54a09eb3ddaf95bff7549b4a36707345cde59b19", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling atty v0.2.14
[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]    Compiling clap v3.1.8
[INFO] [stderr]    Compiling 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.94s
[INFO] running `Command { std: "docker" "inspect" "7de28feae5694e61a62f5b3d54a09eb3ddaf95bff7549b4a36707345cde59b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de28feae5694e61a62f5b3d54a09eb3ddaf95bff7549b4a36707345cde59b19", kill_on_drop: false }`
[INFO] [stdout] 7de28feae5694e61a62f5b3d54a09eb3ddaf95bff7549b4a36707345cde59b19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 996952d8d81e22b08ba18c72a5e1f90823564ea1c3d44a83ce741b33735ab884
[INFO] running `Command { std: "docker" "start" "-a" "996952d8d81e22b08ba18c72a5e1f90823564ea1c3d44a83ce741b33735ab884", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "996952d8d81e22b08ba18c72a5e1f90823564ea1c3d44a83ce741b33735ab884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996952d8d81e22b08ba18c72a5e1f90823564ea1c3d44a83ce741b33735ab884", kill_on_drop: false }`
[INFO] [stdout] 996952d8d81e22b08ba18c72a5e1f90823564ea1c3d44a83ce741b33735ab884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37cb46c8b2594d0d4cff59f2339df36326a7b66229ca54224ee7d01903608cd9
[INFO] running `Command { std: "docker" "start" "-a" "37cb46c8b2594d0d4cff59f2339df36326a7b66229ca54224ee7d01903608cd9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/parser.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             _ => format!("  {};", name)
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/parser.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 122 | ...   Node::Program { statement } => match statement {
[INFO] [stderr]     |       --------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 126 | ...   Node::IfStatement { paren_expr, statement } => format!("  {} [label=\"IfStatement\"];\n{}\n{}", name,
[INFO] [stderr]     |       ------------------------------------------- matches some of the same values
[INFO] [stderr] 127 | ...        paren_expr.graphviz_build_nodes(new_indices(0)), statement.graphviz_build_nodes(new_indices(1))),
[INFO] [stderr] 128 | ...   Node::IfElseStatement { paren_expr, true_statement, false_statement } => format!("  {} [label=\"IfElseStatement\"];\n{}\n{}\n{}",
[INFO] [stderr]     |       --------------------------------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 133 | ...   Node::WhileStatement { paren_expr, statement } => format!("  {} [label=\"WhileStatement\"];\n{}\n{}", name,
[INFO] [stderr]     |       ---------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 149 | ...   _ => format!("  {};", name)
[INFO] [stderr]     |       ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/parser.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             _ => format!("  // Unknown node: {:?}\n", self)
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/parser.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Node::Program { statement } => match statement {
[INFO] [stderr]     |             --------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 171 |             Node::IfStatement { paren_expr, statement } => format!(
[INFO] [stderr]     |             ------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 177 |             Node::IfElseStatement { paren_expr, true_statement, false_statement } => format!(
[INFO] [stderr]     |             --------------------------------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 184 |             Node::WhileStatement { paren_expr, statement } => format!(
[INFO] [stderr]     |             ---------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 214 |             _ => format!("  // Unknown node: {:?}\n", self)
[INFO] [stderr]     |             ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/parser.rs:208:30
[INFO] [stderr]     |
[INFO] [stderr] 208 |             Node::BinaryOp { op, lhs, rhs } => format!(
[INFO] [stderr]     |                              ^^ help: try ignoring the field: `op: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/eval.rs:34:25
[INFO] [stderr]    |
[INFO] [stderr] 34 |             if let Some(x) = scope.get(&ident) {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/eval.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |             _ => Err(format!("Unsupported node '{:?}'", node))
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/eval.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 57  |             Node::Program { statement } => match statement {
[INFO] [stderr]     |             --------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 61  |             Node::IfStatement { paren_expr, statement } => {
[INFO] [stderr]     |             ------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 69  |             Node::IfElseStatement { paren_expr, true_statement, false_statement } => {
[INFO] [stderr]     |             --------------------------------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 77  |             Node::WhileStatement { paren_expr, statement } => {
[INFO] [stderr]     |             ---------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 146 |             _ => Err(format!("Unsupported node '{:?}'", node))
[INFO] [stderr]     |             ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/eval.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 |                     _ => Err(format!("Unknown operator {:?}", op))
[INFO] [stderr]     |                     ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/eval.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |                     Operator::Assign => {
[INFO] [stderr]     |                     ---------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 131 |                     Operator::Plus => Ok(Some(self.eval(&lhs)?.unwrap() + r)),
[INFO] [stderr]     |                     -------------- matches some of the same values
[INFO] [stderr] 132 |                     Operator::Minus => Ok(Some(self.eval(&lhs)?.unwrap() - r)),
[INFO] [stderr]     |                     --------------- matches some of the same values
[INFO] [stderr] 133 |                     Operator::Times => Ok(Some(self.eval(&lhs)?.unwrap() * r)),
[INFO] [stderr]     |                     --------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 143 |                     _ => Err(format!("Unknown operator {:?}", op))
[INFO] [stderr]     |                     ^ ...and 9 other patterns collectively make this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: method `clear_stack` is never used
[INFO] [stderr]   --> src/eval.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 8  | impl Evaluator {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn clear_stack(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tinyc` (bin "tinyc" test) generated 8 warnings (run `cargo fix --bin "tinyc" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tinyc-9ef76891f1916243)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test eval::tests::stack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37cb46c8b2594d0d4cff59f2339df36326a7b66229ca54224ee7d01903608cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37cb46c8b2594d0d4cff59f2339df36326a7b66229ca54224ee7d01903608cd9", kill_on_drop: false }`
[INFO] [stdout] 37cb46c8b2594d0d4cff59f2339df36326a7b66229ca54224ee7d01903608cd9
