[INFO] cloning repository https://github.com/0nkery/rust-monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0nkery/rust-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0nkery%2Frust-monkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0nkery%2Frust-monkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d443e9211a9a3b6fc0bdd2c217365a82d006275
[INFO] testing 0nkery/rust-monkey against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0nkery%2Frust-monkey" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0nkery/rust-monkey on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0nkery/rust-monkey
[INFO] finished tweaking git repo https://github.com/0nkery/rust-monkey
[INFO] tweaked toml for git repo https://github.com/0nkery/rust-monkey written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/0nkery/rust-monkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded users v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "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] 8fa8b4e18628f11445f6c08d3482827391cdbe89db7037c27805ae182c5bc758
[INFO] running `Command { std: "docker" "start" "-a" "8fa8b4e18628f11445f6c08d3482827391cdbe89db7037c27805ae182c5bc758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fa8b4e18628f11445f6c08d3482827391cdbe89db7037c27805ae182c5bc758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa8b4e18628f11445f6c08d3482827391cdbe89db7037c27805ae182c5bc758", kill_on_drop: false }`
[INFO] [stdout] 8fa8b4e18628f11445f6c08d3482827391cdbe89db7037c27805ae182c5bc758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76a4cca8f8ffa87bbb02c76035cac753e582887332dd7da4630b97db66a0216b
[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" "76a4cca8f8ffa87bbb02c76035cac753e582887332dd7da4630b97db66a0216b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling users v0.5.2
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "76a4cca8f8ffa87bbb02c76035cac753e582887332dd7da4630b97db66a0216b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a4cca8f8ffa87bbb02c76035cac753e582887332dd7da4630b97db66a0216b", kill_on_drop: false }`
[INFO] [stdout] 76a4cca8f8ffa87bbb02c76035cac753e582887332dd7da4630b97db66a0216b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d99b1eaf5d1f1d3608433e4d3a886b78ffbfc6e87002e27d9f60a808a96b2d3e
[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" "d99b1eaf5d1f1d3608433e4d3a886b78ffbfc6e87002e27d9f60a808a96b2d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "d99b1eaf5d1f1d3608433e4d3a886b78ffbfc6e87002e27d9f60a808a96b2d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99b1eaf5d1f1d3608433e4d3a886b78ffbfc6e87002e27d9f60a808a96b2d3e", kill_on_drop: false }`
[INFO] [stdout] d99b1eaf5d1f1d3608433e4d3a886b78ffbfc6e87002e27d9f60a808a96b2d3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a5b89619ee6de82bdbc3b143dbbf2bfc5f204871c389e4a69370d5174b79e2d
[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" "4a5b89619ee6de82bdbc3b143dbbf2bfc5f204871c389e4a69370d5174b79e2d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey-13af444fc4321bd3)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test ast::test_string ... ok
[INFO] [stdout] test eval::test_string ... ok
[INFO] [stdout] test eval::test_builtin_functions ... ok
[INFO] [stdout] test eval::test_string_concatenation ... ok
[INFO] [stdout] test eval::test_array_literals ... ok
[INFO] [stdout] test eval::test_closures ... ok
[INFO] [stdout] test eval::test_bang_operator ... ok
[INFO] [stdout] test eval::test_error_handling ... ok
[INFO] [stdout] test eval::test_eval_boolean_expression ... ok
[INFO] [stdout] test eval::test_array_index_expressions ... ok
[INFO] [stdout] test parser::test_identifier_expression ... ok
[INFO] [stdout] test parser::test_if_expression ... ok
[INFO] [stdout] test parser::test_integer_literal_expression ... ok
[INFO] [stdout] test parser::test_operator_precedence_parsing ... ok
[INFO] [stdout] test parser::test_parsing_array_literals ... ok
[INFO] [stdout] test parser::test_parsing_index_expressions ... ok
[INFO] [stdout] test parser::test_parsing_prefix_expressions ... ok
[INFO] [stdout] test parser::test_string_literal_expression ... ok
[INFO] [stdout] test parser::test_parsing_infix_expressions ... ok
[INFO] [stdout] test parser::test_return_statements ... ok
[INFO] [stdout] test parser::test_let_statements ... ok
[INFO] [stdout] test eval::test_return_statements ... ok
[INFO] [stdout] test parser::test_boolean_expression ... ok
[INFO] [stdout] test eval::test_let_statements ... ok
[INFO] [stdout] test eval::test_if_else_expressions ... ok
[INFO] [stdout] test eval::test_function_object ... ok
[INFO] [stdout] test parser::test_call_expression_parsing ... ok
[INFO] [stdout] test eval::test_function_application ... ok
[INFO] [stdout] test parser::test_function_literal_parsing ... ok
[INFO] [stdout] test eval::test_eval_integer_expression ... ok
[INFO] [stdout] test lexer::test_next_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a5b89619ee6de82bdbc3b143dbbf2bfc5f204871c389e4a69370d5174b79e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5b89619ee6de82bdbc3b143dbbf2bfc5f204871c389e4a69370d5174b79e2d", kill_on_drop: false }`
[INFO] [stdout] 4a5b89619ee6de82bdbc3b143dbbf2bfc5f204871c389e4a69370d5174b79e2d