[INFO] cloning repository https://github.com/zachlambert/c-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zachlambert/c-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachlambert%2Fc-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachlambert%2Fc-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 408d419db37807a2d2f2733d81f3ae005daad9f7
[INFO] testing zachlambert/c-compiler against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachlambert%2Fc-compiler" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zachlambert/c-compiler on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zachlambert/c-compiler
[INFO] finished tweaking git repo https://github.com/zachlambert/c-compiler
[INFO] tweaked toml for git repo https://github.com/zachlambert/c-compiler written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/zachlambert/c-compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 644449f5a04d520b99dac50aad0f00abddfc57304b71781e47b5ac7d42d27496
[INFO] running `Command { std: "docker" "start" "-a" "644449f5a04d520b99dac50aad0f00abddfc57304b71781e47b5ac7d42d27496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "644449f5a04d520b99dac50aad0f00abddfc57304b71781e47b5ac7d42d27496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644449f5a04d520b99dac50aad0f00abddfc57304b71781e47b5ac7d42d27496", kill_on_drop: false }`
[INFO] [stdout] 644449f5a04d520b99dac50aad0f00abddfc57304b71781e47b5ac7d42d27496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc7f80b695ffee86878082e84393f4324bed06104d58dc36b04894f83bb06bc6
[INFO] running `Command { std: "docker" "start" "-a" "fc7f80b695ffee86878082e84393f4324bed06104d58dc36b04894f83bb06bc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.3.1
[INFO] [stderr]    Compiling compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rhs_datatype_i`
[INFO] [stdout]    --> src/generator/generate/expression.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let (rhs_symbol, rhs_datatype_i) = generate_expression_rvalue(generator);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rhs_datatype_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generator`
[INFO] [stdout]   --> src/generator/generate/datatype.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stdout]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]   --> src/generator/generate/datatype.rs:33:55
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stdout]    |                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_index`
[INFO] [stdout]   --> src/generator/generate/datatype.rs:33:72
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_tokens`
[INFO] [stdout]   --> src/lexer/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn print_tokens(tokens: &Vec<Token>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]  --> src/parser/construct/statement.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Break,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Continue`
[INFO] [stdout]  --> src/parser/construct/statement.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Continue,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Conditional`
[INFO] [stdout]   --> src/parser/construct/statement.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Conditional,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Loop`
[INFO] [stdout]   --> src/parser/construct/statement.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Loop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Control`
[INFO] [stdout]   --> src/parser/construct/statement.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Control(Control),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Block`
[INFO] [stdout]   --> src/parser/construct/statement.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Block,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]  --> src/generator/instructions.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Sub,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equal`
[INFO] [stdout]   --> src/generator/instructions.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessThan`
[INFO] [stdout]   --> src/generator/instructions.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     LessThan,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Load`
[INFO] [stdout]   --> src/generator/instructions.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Load,  // Move Mem[src] -> dst
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetReturned`
[INFO] [stdout]   --> src/generator/instructions.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     SetReturned, // Move symbol -> returned(location)
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Jump`
[INFO] [stdout]   --> src/generator/instructions.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Jump,  // Unconditional jump to a label
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Branch`
[INFO] [stdout]   --> src/generator/instructions.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Branch(Condition), // Jump to label if Condition(RegA, RegB)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/generator/instructions.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Call,  // Call procedure
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]    --> src/generator/instructions.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     Int(i64),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]    --> src/generator/instructions.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     Float(f64),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Constant`
[INFO] [stdout]    --> src/generator/instructions.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     Constant(Constant),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]    --> src/generator/instructions.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Integer(i64),        // Offset or stride
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_return_datatype`
[INFO] [stdout]    --> src/generator/generator.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn get_return_datatype(&self, index: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_return_set`
[INFO] [stdout]   --> src/generator/generate/datatype.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "fc7f80b695ffee86878082e84393f4324bed06104d58dc36b04894f83bb06bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7f80b695ffee86878082e84393f4324bed06104d58dc36b04894f83bb06bc6", kill_on_drop: false }`
[INFO] [stdout] fc7f80b695ffee86878082e84393f4324bed06104d58dc36b04894f83bb06bc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d2da5e98a826a104f0a6593c194cc557ce609f4fa8326c055cf73983dd8341a
[INFO] running `Command { std: "docker" "start" "-a" "0d2da5e98a826a104f0a6593c194cc557ce609f4fa8326c055cf73983dd8341a", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rhs_datatype_i`
[INFO] [stdout]    --> src/generator/generate/expression.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 |             let (rhs_symbol, rhs_datatype_i) = generate_expression_rvalue(generator);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rhs_datatype_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generator`
[INFO] [stdout]   --> src/generator/generate/datatype.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stdout]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol`
[INFO] [stdout]   --> src/generator/generate/datatype.rs:33:55
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stdout]    |                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_index`
[INFO] [stdout]   --> src/generator/generate/datatype.rs:33:72
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_tokens`
[INFO] [stdout]   --> src/lexer/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn print_tokens(tokens: &Vec<Token>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]  --> src/parser/construct/statement.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Break,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Continue`
[INFO] [stdout]  --> src/parser/construct/statement.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Continue,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Conditional`
[INFO] [stdout]   --> src/parser/construct/statement.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Conditional,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Loop`
[INFO] [stdout]   --> src/parser/construct/statement.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Loop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Control`
[INFO] [stdout]   --> src/parser/construct/statement.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Control(Control),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Block`
[INFO] [stdout]   --> src/parser/construct/statement.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Block,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]  --> src/generator/instructions.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Sub,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equal`
[INFO] [stdout]   --> src/generator/instructions.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessThan`
[INFO] [stdout]   --> src/generator/instructions.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     LessThan,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Load`
[INFO] [stdout]   --> src/generator/instructions.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Load,  // Move Mem[src] -> dst
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetReturned`
[INFO] [stdout]   --> src/generator/instructions.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     SetReturned, // Move symbol -> returned(location)
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Jump`
[INFO] [stdout]   --> src/generator/instructions.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Jump,  // Unconditional jump to a label
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Branch`
[INFO] [stdout]   --> src/generator/instructions.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Branch(Condition), // Jump to label if Condition(RegA, RegB)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/generator/instructions.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Call,  // Call procedure
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]    --> src/generator/instructions.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     Int(i64),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]    --> src/generator/instructions.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     Float(f64),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Constant`
[INFO] [stdout]    --> src/generator/instructions.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     Constant(Constant),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]    --> src/generator/instructions.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Integer(i64),        // Offset or stride
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_return_datatype`
[INFO] [stdout]    --> src/generator/generator.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn get_return_datatype(&self, index: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_return_set`
[INFO] [stdout]   --> src/generator/generate/datatype.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "0d2da5e98a826a104f0a6593c194cc557ce609f4fa8326c055cf73983dd8341a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2da5e98a826a104f0a6593c194cc557ce609f4fa8326c055cf73983dd8341a", kill_on_drop: false }`
[INFO] [stdout] 0d2da5e98a826a104f0a6593c194cc557ce609f4fa8326c055cf73983dd8341a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2841c19c632dd3a1b482809f66a69b9219ca8d92627854469fe17fca8713a4ce
[INFO] running `Command { std: "docker" "start" "-a" "2841c19c632dd3a1b482809f66a69b9219ca8d92627854469fe17fca8713a4ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `rhs_datatype_i`
[INFO] [stderr]    --> src/generator/generate/expression.rs:124:30
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let (rhs_symbol, rhs_datatype_i) = generate_expression_rvalue(generator);
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rhs_datatype_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generator`
[INFO] [stderr]   --> src/generator/generate/datatype.rs:33:28
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stderr]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generator`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symbol`
[INFO] [stderr]   --> src/generator/generate/datatype.rs:33:55
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stderr]    |                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `return_index`
[INFO] [stderr]   --> src/generator/generate/datatype.rs:33:72
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_index`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_tokens`
[INFO] [stderr]   --> src/lexer/mod.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn print_tokens(tokens: &Vec<Token>) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Break`
[INFO] [stderr]  --> src/parser/construct/statement.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Break,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Continue`
[INFO] [stderr]  --> src/parser/construct/statement.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Continue,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Conditional`
[INFO] [stderr]   --> src/parser/construct/statement.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Conditional,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Loop`
[INFO] [stderr]   --> src/parser/construct/statement.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Loop,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Control`
[INFO] [stderr]   --> src/parser/construct/statement.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Control(Control),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Block`
[INFO] [stderr]   --> src/parser/construct/statement.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Block,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sub`
[INFO] [stderr]  --> src/generator/instructions.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Sub,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equal`
[INFO] [stderr]   --> src/generator/instructions.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Equal,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]   --> src/generator/instructions.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     LessThan,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Load`
[INFO] [stderr]   --> src/generator/instructions.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Load,  // Move Mem[src] -> dst
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SetReturned`
[INFO] [stderr]   --> src/generator/instructions.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     SetReturned, // Move symbol -> returned(location)
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Jump`
[INFO] [stderr]   --> src/generator/instructions.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     Jump,  // Unconditional jump to a label
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Branch`
[INFO] [stderr]   --> src/generator/instructions.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Branch(Condition), // Jump to label if Condition(RegA, RegB)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]   --> src/generator/instructions.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Call,  // Call procedure
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]    --> src/generator/instructions.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     Int(i64),
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]    --> src/generator/instructions.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     Float(f64),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Constant`
[INFO] [stderr]    --> src/generator/instructions.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     Constant(Constant),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]    --> src/generator/instructions.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     Integer(i64),        // Offset or stride
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_return_datatype`
[INFO] [stderr]    --> src/generator/generator.rs:242:12
[INFO] [stderr]     |
[INFO] [stderr] 242 |     pub fn get_return_datatype(&self, index: usize) -> usize {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_return_set`
[INFO] [stderr]   --> src/generator/generate/datatype.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn generate_return_set(generator: &mut Generator, symbol: &Symbol, return_index: usize) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `compiler` (bin "compiler" test) generated 25 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/compiler-d8a89c39c17de886)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2841c19c632dd3a1b482809f66a69b9219ca8d92627854469fe17fca8713a4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2841c19c632dd3a1b482809f66a69b9219ca8d92627854469fe17fca8713a4ce", kill_on_drop: false }`
[INFO] [stdout] 2841c19c632dd3a1b482809f66a69b9219ca8d92627854469fe17fca8713a4ce