[INFO] cloning repository https://github.com/gokayokyay/monkey-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gokayokyay/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokayokyay%2Fmonkey-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokayokyay%2Fmonkey-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50fc85a0d6f207da6d73fa2526705931af776f21
[INFO] testing gokayokyay/monkey-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokayokyay%2Fmonkey-rust" "/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/gokayokyay/monkey-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gokayokyay/monkey-rust
[INFO] finished tweaking git repo https://github.com/gokayokyay/monkey-rust
[INFO] tweaked toml for git repo https://github.com/gokayokyay/monkey-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/gokayokyay/monkey-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3512dc3e46b814466039e6b143e8a0d237a80c74629063b28b916ada53e3f199
[INFO] running `Command { std: "docker" "start" "-a" "3512dc3e46b814466039e6b143e8a0d237a80c74629063b28b916ada53e3f199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3512dc3e46b814466039e6b143e8a0d237a80c74629063b28b916ada53e3f199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3512dc3e46b814466039e6b143e8a0d237a80c74629063b28b916ada53e3f199", kill_on_drop: false }`
[INFO] [stdout] 3512dc3e46b814466039e6b143e8a0d237a80c74629063b28b916ada53e3f199
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cac8387b036317fbb8964ad6c6ef06b383331c6e7cdbc561664632c80d7da143
[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" "cac8387b036317fbb8964ad6c6ef06b383331c6e7cdbc561664632c80d7da143", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "cac8387b036317fbb8964ad6c6ef06b383331c6e7cdbc561664632c80d7da143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac8387b036317fbb8964ad6c6ef06b383331c6e7cdbc561664632c80d7da143", kill_on_drop: false }`
[INFO] [stdout] cac8387b036317fbb8964ad6c6ef06b383331c6e7cdbc561664632c80d7da143
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4177f3d6b0f9e9ec105a07c3f1b22cd8064e8e78f480dd9042016b0d15dddd0
[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" "b4177f3d6b0f9e9ec105a07c3f1b22cd8064e8e78f480dd9042016b0d15dddd0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "b4177f3d6b0f9e9ec105a07c3f1b22cd8064e8e78f480dd9042016b0d15dddd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4177f3d6b0f9e9ec105a07c3f1b22cd8064e8e78f480dd9042016b0d15dddd0", kill_on_drop: false }`
[INFO] [stdout] b4177f3d6b0f9e9ec105a07c3f1b22cd8064e8e78f480dd9042016b0d15dddd0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4ad708fd5d93df7c4d306490c23707d6a43f9936231f3f16bb9ba4d9f089586e
[INFO] running `Command { std: "docker" "start" "-a" "4ad708fd5d93df7c4d306490c23707d6a43f9936231f3f16bb9ba4d9f089586e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monkey-8e6f46c6c168dae9
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test ast::ast::test::test_string ... ok
[INFO] [stdout] test parser::parser::tests::test_call_expression_parsing ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_let_statements ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_if_else_expressions ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_eval_boolean_expression ... ok
[INFO] [stdout] test parser::parser::tests::test_if_expression ... ok
[INFO] [stdout] test lexer::lexer::tests::test_next_token ... ok
[INFO] [stdout] test parser::parser::tests::test_boolean_expressions ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_return_statements ... ok
[INFO] [stdout] test parser::parser::tests::test_parsing_infix_expressions_int ... ok
[INFO] [stdout] test parser::parser::tests::test_parsing_infix_expressions_bool ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_error_handling ... ok
[INFO] [stdout] test parser::parser::tests::test_parsing_prefix_expressions_int ... ok
[INFO] [stdout] test parser::parser::tests::test_let_statement_expressions ... ok
[INFO] [stdout] test parser::parser::tests::test_return_statement ... ok
[INFO] [stdout] test parser::parser::tests::test_let_statements ... ok
[INFO] [stdout] test parser::parser::tests::test_integer_literal_expressions ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_bang_operator ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_eval_integer_expression ... ok
[INFO] [stdout] test parser::parser::tests::test_parsing_prefix_expressions_bool ... ok
[INFO] [stdout] test parser::parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stdout] test parser::parser::tests::test_function_literal_parsing ... ok
[INFO] [stdout] test parser::parser::tests::test_identifier_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ad708fd5d93df7c4d306490c23707d6a43f9936231f3f16bb9ba4d9f089586e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad708fd5d93df7c4d306490c23707d6a43f9936231f3f16bb9ba4d9f089586e", kill_on_drop: false }`
[INFO] [stdout] 4ad708fd5d93df7c4d306490c23707d6a43f9936231f3f16bb9ba4d9f089586e