[INFO] cloning repository https://github.com/NathanYee/monkey-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NathanYee/monkey-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanYee%2Fmonkey-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanYee%2Fmonkey-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c6496fa3f970770b01f615e5c0af3d49025d4fa
[INFO] testing NathanYee/monkey-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanYee%2Fmonkey-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NathanYee/monkey-rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NathanYee/monkey-rs
[INFO] finished tweaking git repo https://github.com/NathanYee/monkey-rs
[INFO] tweaked toml for git repo https://github.com/NathanYee/monkey-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/NathanYee/monkey-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f83e205bf127ee1c87d21294aa1ffbdc2707c7caeeff1bfe47092f9dc09eba0b
[INFO] running `Command { std: "docker" "start" "-a" "f83e205bf127ee1c87d21294aa1ffbdc2707c7caeeff1bfe47092f9dc09eba0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f83e205bf127ee1c87d21294aa1ffbdc2707c7caeeff1bfe47092f9dc09eba0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83e205bf127ee1c87d21294aa1ffbdc2707c7caeeff1bfe47092f9dc09eba0b", kill_on_drop: false }`
[INFO] [stdout] f83e205bf127ee1c87d21294aa1ffbdc2707c7caeeff1bfe47092f9dc09eba0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ad4870fb5bfaf8cbe6d45b7608e455c26286b34331726c862817bba9502b0b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44ad4870fb5bfaf8cbe6d45b7608e455c26286b34331726c862817bba9502b0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.66s
[INFO] running `Command { std: "docker" "inspect" "44ad4870fb5bfaf8cbe6d45b7608e455c26286b34331726c862817bba9502b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ad4870fb5bfaf8cbe6d45b7608e455c26286b34331726c862817bba9502b0b", kill_on_drop: false }`
[INFO] [stdout] 44ad4870fb5bfaf8cbe6d45b7608e455c26286b34331726c862817bba9502b0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d757dd20a92de1f94ad9a5aa1bf24439c554a65da9e0f3906e20f1c0d89ad50c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d757dd20a92de1f94ad9a5aa1bf24439c554a65da9e0f3906e20f1c0d89ad50c", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "d757dd20a92de1f94ad9a5aa1bf24439c554a65da9e0f3906e20f1c0d89ad50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d757dd20a92de1f94ad9a5aa1bf24439c554a65da9e0f3906e20f1c0d89ad50c", kill_on_drop: false }`
[INFO] [stdout] d757dd20a92de1f94ad9a5aa1bf24439c554a65da9e0f3906e20f1c0d89ad50c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b1586c050d8ec7b83657deb142276ff31827802ace656baa05f249b1a078e1a3
[INFO] running `Command { std: "docker" "start" "-a" "b1586c050d8ec7b83657deb142276ff31827802ace656baa05f249b1a078e1a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey-f1b44fddce2bb6dd)
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test evaluator::tests::bang_operator ... ok
[INFO] [stdout] test evaluator::tests::array_index_expressions ... ok
[INFO] [stdout] test evaluator::tests::string_infix_expression ... ok
[INFO] [stdout] test evaluator::tests::return_statements ... ok
[INFO] [stdout] test evaluator::tests::string_expression ... ok
[INFO] [stdout] test evaluator::tests::let_statements ... ok
[INFO] [stdout] test evaluator::tests::test_hash_index_expressions ... ok
[INFO] [stdout] test evaluator::tests::test_hash_literals ... ok
[INFO] [stdout] test evaluator::tests::integer_expression ... ok
[INFO] [stdout] test evaluator::tests::if_expressions ... ok
[INFO] [stdout] test lexer::test_lexer::test_next_token_arrays ... ok
[INFO] [stdout] test evaluator::tests::higher_order_functions ... ok
[INFO] [stdout] test lexer::test_lexer::test_next_token_1 ... ok
[INFO] [stdout] test lexer::test_lexer::test_next_token_hash ... ok
[INFO] [stdout] test evaluator::tests::functions_objects_1 ... ok
[INFO] [stdout] test lexer::test_lexer::test_next_token_strs ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_array ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_boolean ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_call_expression_parsing ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_function_literal_parsing ... ok
[INFO] [stdout] test evaluator::tests::functions_objects_0 ... ok
[INFO] [stdout] test lexer::test_lexer::test_next_token_0 ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_function_parameter_parsing ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_identifier ... ok
[INFO] [stdout] test lexer::test_lexer::test_next_token_3 ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_if_else_expression ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_if_expression ... ok
[INFO] [stdout] test evaluator::tests::boolean_expression ... ok
[INFO] [stdout] test evaluator::tests::closures ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_index ... ok
[INFO] [stdout] test evaluator::tests::builtin_functions ... ok
[INFO] [stdout] test evaluator::tests::error_handling ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_operator_precedence_parsing ... ok
[INFO] [stdout] test evaluator::tests::array_literals ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_prefix_expression ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_string ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_infix_expressions ... ok
[INFO] [stdout] test parser::test_parser_statements::test_let_statements ... ok
[INFO] [stdout] test parser::test_parser_statements::test_return_statements ... ok
[INFO] [stdout] test parser::test_precidence::test_ord ... ok
[INFO] [stdout] test lexer::test_lexer::test_next_token_2 ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_integer ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_map_empty ... ok
[INFO] [stdout] test evaluator::tests::functional ... ok
[INFO] [stdout] test evaluator::tests::function_application ... ok
[INFO] [stdout] test parser::test_parser_expressions::test_map_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monkey
[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" "b1586c050d8ec7b83657deb142276ff31827802ace656baa05f249b1a078e1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1586c050d8ec7b83657deb142276ff31827802ace656baa05f249b1a078e1a3", kill_on_drop: false }`
[INFO] [stdout] b1586c050d8ec7b83657deb142276ff31827802ace656baa05f249b1a078e1a3