[INFO] updating cached repository https://github.com/bpandreotti/monkey-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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebe21769b31a0c3aa8201eb8459893b873be98a1
[INFO] testing bpandreotti/monkey-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpandreotti%2Fmonkey-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/bpandreotti/monkey-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/bpandreotti/monkey-rust
[INFO] finished tweaking git repo https://github.com/bpandreotti/monkey-rust
[INFO] tweaked toml for git repo https://github.com/bpandreotti/monkey-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/bpandreotti/monkey-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] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] a8f8439653b1e31a47175c882759bd5790389e552808b4a235de7a00203fb055
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a8f8439653b1e31a47175c882759bd5790389e552808b4a235de7a00203fb055"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rustyline-derive v0.3.1
[INFO] [stderr]    Compiling rustyline v6.1.2
[INFO] [stderr]    Compiling rusty-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `bytecode`
[INFO] [stderr]   --> src/compiler/mod.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn bytecode(mut self) -> Bytecode {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.92s
[INFO] running `"docker" "inspect" "a8f8439653b1e31a47175c882759bd5790389e552808b4a235de7a00203fb055"`
[INFO] running `"docker" "rm" "-f" "a8f8439653b1e31a47175c882759bd5790389e552808b4a235de7a00203fb055"`
[INFO] [stdout] a8f8439653b1e31a47175c882759bd5790389e552808b4a235de7a00203fb055
[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" "test" "--frozen" "--no-run"`
[INFO] [stdout] dfbc598d4d43e0818acbf4f85a7085a0a3c7b3cb6df02f130231694367c5057c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "dfbc598d4d43e0818acbf4f85a7085a0a3c7b3cb6df02f130231694367c5057c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rusty-monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `"docker" "inspect" "dfbc598d4d43e0818acbf4f85a7085a0a3c7b3cb6df02f130231694367c5057c"`
[INFO] running `"docker" "rm" "-f" "dfbc598d4d43e0818acbf4f85a7085a0a3c7b3cb6df02f130231694367c5057c"`
[INFO] [stdout] dfbc598d4d43e0818acbf4f85a7085a0a3c7b3cb6df02f130231694367c5057c
[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" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5834ab6acfc345e45f8a8f0f0c1f6041be519e94b3fb273507bdebe08b747db4
[INFO] running `"docker" "start" "-a" "5834ab6acfc345e45f8a8f0f0c1f6041be519e94b3fb273507bdebe08b747db4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_monkey-5cc688b029487bcd
[INFO] [stdout] 
[INFO] [stdout] running 60 tests
[INFO] [stdout] test compiler::symbol_table::tests::test_resolve_global ... ok
[INFO] [stdout] test compiler::symbol_table::tests::test_define_global ... ok
[INFO] [stdout] test compiler::tests::test_boolean_expressions ... ok
[INFO] [stdout] test compiler::tests::test_binding_scopes ... ok
[INFO] [stdout] test compiler::tests::test_arrays ... ok
[INFO] [stdout] test compiler::tests::test_global_assignment ... ok
[INFO] [stdout] test compiler::tests::test_conditionals ... ok
[INFO] [stdout] test compiler::tests::test_strings ... ok
[INFO] [stdout] test compiler::tests::test_hashes ... ok
[INFO] [stdout] test interpreter::tests::test_blocks ... ok
[INFO] [stdout] test interpreter::tests::test_hashes ... ok
[INFO] [stdout] test interpreter::tests::test_bool_expressions ... ok
[INFO] [stdout] test interpreter::tests::test_if_expressions ... ok
[INFO] [stdout] test interpreter::tests::test_int_expressions ... ok
[INFO] [stdout] test compiler::tests::test_function_calls ... ok
[INFO] [stdout] test compiler::tests::test_function_literals ... ok
[INFO] [stdout] test interpreter::tests::test_arrays ... ok
[INFO] [stdout] test interpreter::tests::test_return_in_expressions ... ok
[INFO] [stdout] test compiler::tests::test_integer_arithmetic ... ok
[INFO] [stdout] test lexer::tests::test_comments ... ok
[INFO] [stdout] test compiler::tests::test_make ... ok
[INFO] [stdout] test compiler::tests::test_index_expressions ... ok
[INFO] [stdout] test interpreter::tests::test_let_statements ... ok
[INFO] [stdout] test compiler::tests::test_instruction_printing ... ok
[INFO] [stdout] test interpreter::tests::test_runtime_errors ... ok
[INFO] [stdout] test interpreter::tests::test_closures ... ok
[INFO] [stdout] test parser::tests::test_block_expressions ... ok
[INFO] [stdout] test lexer::tests::test_large_program ... ok
[INFO] [stdout] test parser::tests::test_call_expressions ... ok
[INFO] [stdout] test interpreter::tests::test_return_statements ... ok
[INFO] [stdout] test lexer::tests::test_delimiters ... ok
[INFO] [stdout] test interpreter::tests::test_string_operations ... ok
[INFO] [stdout] test lexer::tests::test_strings ... ok
[INFO] [stdout] test lexer::tests::test_identifiers ... ok
[INFO] [stdout] test parser::tests::test_infix_expressions ... ok
[INFO] [stdout] test interpreter::tests::test_functions ... ok
[INFO] [stdout] test parser::tests::test_prefix_expressions ... ok
[INFO] [stdout] test parser::tests::test_if_expressions ... ok
[INFO] [stdout] test parser::tests::test_grouped_expression ... ok
[INFO] [stdout] test parser::tests::test_index_expression ... ok
[INFO] [stdout] test lexer::tests::test_lexer_position ... ok
[INFO] [stdout] test lexer::tests::test_lexer_errors ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... ok
[INFO] [stdout] test parser::tests::test_literals ... ok
[INFO] [stdout] test parser::tests::test_return_statements ... ok
[INFO] [stdout] test lexer::tests::test_int_literals ... ok
[INFO] [stdout] test lexer::tests::test_operators ... ok
[INFO] [stdout] test interpreter::tests::test_recursion ... ok
[INFO] [stdout] test vm::tests::test_stack_cleaning_after_call ... ok
[INFO] [stdout] test vm::tests::test_index_expressions ... ok
[INFO] [stdout] test vm::tests::test_strings ... ok
[INFO] [stdout] test vm::tests::test_integer_arithmetic ... ok
[INFO] [stdout] test vm::tests::test_function_arguments ... ok
[INFO] [stdout] test vm::tests::test_local_bindings ... ok
[INFO] [stdout] test vm::tests::test_global_assignment ... ok
[INFO] [stdout] test vm::tests::test_hashes ... ok
[INFO] [stdout] test vm::tests::test_function_calls ... ok
[INFO] [stdout] test vm::tests::test_arrays ... ok
[INFO] [stdout] test vm::tests::test_boolean_expressions ... ok
[INFO] [stdout] test vm::tests::test_conditional_expressions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 60 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5834ab6acfc345e45f8a8f0f0c1f6041be519e94b3fb273507bdebe08b747db4"`
[INFO] running `"docker" "rm" "-f" "5834ab6acfc345e45f8a8f0f0c1f6041be519e94b3fb273507bdebe08b747db4"`
[INFO] [stdout] 5834ab6acfc345e45f8a8f0f0c1f6041be519e94b3fb273507bdebe08b747db4