[INFO] cloning repository https://github.com/joaovicdsantos/writing-an-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joaovicdsantos/writing-an-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaovicdsantos%2Fwriting-an-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaovicdsantos%2Fwriting-an-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fc234f36549139293510d0bd9b6055e45684e25
[INFO] building joaovicdsantos/writing-an-interpreter against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaovicdsantos%2Fwriting-an-interpreter" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaovicdsantos/writing-an-interpreter on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joaovicdsantos/writing-an-interpreter
[INFO] finished tweaking git repo https://github.com/joaovicdsantos/writing-an-interpreter
[INFO] tweaked toml for git repo https://github.com/joaovicdsantos/writing-an-interpreter written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/joaovicdsantos/writing-an-interpreter 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 898e9bf02635bd7a5432dbb6cc5758d7106c167d894b3a8ffc3704397ef4488e
[INFO] running `Command { std: "docker" "start" "-a" "898e9bf02635bd7a5432dbb6cc5758d7106c167d894b3a8ffc3704397ef4488e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "898e9bf02635bd7a5432dbb6cc5758d7106c167d894b3a8ffc3704397ef4488e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898e9bf02635bd7a5432dbb6cc5758d7106c167d894b3a8ffc3704397ef4488e", kill_on_drop: false }`
[INFO] [stdout] 898e9bf02635bd7a5432dbb6cc5758d7106c167d894b3a8ffc3704397ef4488e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f7c59fd5ebf01d7040c450448385c38dd8ffc12ec24a4e3d4ac1cc05209ebca
[INFO] running `Command { std: "docker" "start" "-a" "8f7c59fd5ebf01d7040c450448385c38dd8ffc12ec24a4e3d4ac1cc05209ebca", kill_on_drop: false }`
[INFO] [stderr]    Compiling writing-an-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `precedence`
[INFO] [stdout]    --> src/parser/parser.rs:204:36
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn parse_expression(&mut self, precedence: u8) -> Option<Box<dyn Expression>> {
[INFO] [stdout]     |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precedence`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `statement_node`, `as_let_statement`, `as_return_statement`, and `as_expression_statement` are never used
[INFO] [stdout]   --> src/ast/ast.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait Statement: Node {
[INFO] [stdout]    |           --------- methods in this trait
[INFO] [stdout] 9  |     fn statement_node(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     fn as_let_statement(&self) -> Option<&LetStatement> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn as_return_statement(&self) -> Option<&ReturnStatement> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn as_expression_statement(&self) -> Option<&ExpressionStatement> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `expression_node` and `as_identifier_expression` are never used
[INFO] [stdout]   --> src/ast/ast.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait Expression: Node {
[INFO] [stdout]    |           ---------- methods in this trait
[INFO] [stdout] 22 |     fn expression_node(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 23 |     fn as_identifier_expression(&self) -> Option<&Identifier> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PrefixParseFn` is never used
[INFO] [stdout]   --> src/parser/parser.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | type PrefixParseFn = fn(&mut Parser) -> Box<dyn Expression>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `InfixParseFn` is never used
[INFO] [stdout]   --> src/parser/parser.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | type InfixParseFn = fn(&mut Parser, dyn Expression) -> Box<dyn Expression>;
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOWEST` is never used
[INFO] [stdout]   --> src/parser/parser.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const LOWEST: u8 = 1;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EQUALS` is never used
[INFO] [stdout]   --> src/parser/parser.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const EQUALS: u8 = 2;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LESSGREATER` is never used
[INFO] [stdout]   --> src/parser/parser.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const LESSGREATER: u8 = 3;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SUM` is never used
[INFO] [stdout]   --> src/parser/parser.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const SUM: u8 = 4;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRODUCT` is never used
[INFO] [stdout]   --> src/parser/parser.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const PRODUCT: u8 = 5;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PREFIX` is never used
[INFO] [stdout]   --> src/parser/parser.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const PREFIX: u8 = 6;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CALL` is never used
[INFO] [stdout]   --> src/parser/parser.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const CALL: u8 = 7;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/parser/parser.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Parser {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/parser/parser.rs:34:8
[INFO] [stdout]     |
[INFO] [stdout] 33  | impl Parser {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 34  |     fn new(lexer: Lexer) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52  |     fn next_token(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57  |     fn parse_program(&mut self) -> Program {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71  |     fn parse_statement(&mut self) -> Option<Box<dyn Statement>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83  |     fn parse_let_statement(&mut self) -> Option<Box<LetStatement>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     fn parse_return_statement(&mut self) -> Option<Box<ReturnStatement>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn parse_expression_statement(&mut self) -> Option<Box<ExpressionStatement>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 160 |     fn cur_token_is(&self, token: TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn peek_token_is(&self, token: TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     fn expect_peek(&mut self, token: TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn peek_error(&mut self, token: TokenType) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     fn register_prefix(&mut self, token_type: TokenType, fun: PrefixParseFn) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |     fn register_infix(&mut self, token_type: TokenType, fun: InfixParseFn) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     fn parse_expression(&mut self, precedence: u8) -> Option<Box<dyn Expression>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     fn parse_identifier(&mut self) -> Box<dyn Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `writing-an-interpreter` (bin "writing-an-interpreter"); 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/ad211ced81509462cdfe4c29ed10f97279a0acae/bin/rustc --crate-name writing_an_interpreter --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=0dbf48580c7c54e7 -C extra-filename=-220a9954344ba84d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "8f7c59fd5ebf01d7040c450448385c38dd8ffc12ec24a4e3d4ac1cc05209ebca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7c59fd5ebf01d7040c450448385c38dd8ffc12ec24a4e3d4ac1cc05209ebca", kill_on_drop: false }`
[INFO] [stdout] 8f7c59fd5ebf01d7040c450448385c38dd8ffc12ec24a4e3d4ac1cc05209ebca
