[INFO] updating cached repository https://github.com/sasurau4/lox-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/sasurau4/lox-rust [INFO] [stderr] 7160d5c..b3c8420 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b3c8420aaa066ced83a6a55b9a7b51aee9e83ce9 [INFO] testing sasurau4/lox-rust against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsasurau4%2Flox-rust" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sasurau4/lox-rust on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sasurau4/lox-rust [INFO] finished tweaking git repo https://github.com/sasurau4/lox-rust [INFO] tweaked toml for git repo https://github.com/sasurau4/lox-rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/sasurau4/lox-rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 00cbad02de35e637200246a02f2cfc5adf4f62a38eb803c978482a7e959647bb [INFO] running `"docker" "start" "-a" "00cbad02de35e637200246a02f2cfc5adf4f62a38eb803c978482a7e959647bb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling syn v1.0.22 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling os_str_bytes v2.3.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 [INFO] [stderr] Compiling clap v3.0.0-beta.1 [INFO] [stderr] Compiling lox-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: couldn't read tools/generate_ast.rs: No such file or directory (os error 2) [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: could not compile `lox-rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused import: `ast_printer::AstPrinter` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use ast_printer::AstPrinter; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `stmt::Stmt` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use stmt::Stmt; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `print` [INFO] [stderr] --> src/ast_printer.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn print(self, expr: Expr) -> String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `synchronize` [INFO] [stderr] --> src/parser.rs:199:8 [INFO] [stderr] | [INFO] [stderr] 199 | fn synchronize(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/interpreter.rs:173:9 [INFO] [stderr] | [INFO] [stderr] 173 | / match stmt { [INFO] [stderr] 174 | | Stmt::Expression { expression } => self.evaluate(expression), [INFO] [stderr] 175 | | _ => unreachable!(), [INFO] [stderr] 176 | | }; [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | self.consume(TokenType::Semicolon, "Expect ':' after value."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parser.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | self.consume(TokenType::Semicolon, "Expect ':' after value."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "00cbad02de35e637200246a02f2cfc5adf4f62a38eb803c978482a7e959647bb"` [INFO] running `"docker" "rm" "-f" "00cbad02de35e637200246a02f2cfc5adf4f62a38eb803c978482a7e959647bb"` [INFO] [stdout] 00cbad02de35e637200246a02f2cfc5adf4f62a38eb803c978482a7e959647bb