[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 beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokayokyay%2Fmonkey-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gokayokyay/monkey-rust 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/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-15/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] [stdout] 7cd1bbcda504af4a029f5180d1492e09b79078ba38b3dfccb82b8506b0f1f356
[INFO] running `Command { std: "docker" "start" "-a" "7cd1bbcda504af4a029f5180d1492e09b79078ba38b3dfccb82b8506b0f1f356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cd1bbcda504af4a029f5180d1492e09b79078ba38b3dfccb82b8506b0f1f356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd1bbcda504af4a029f5180d1492e09b79078ba38b3dfccb82b8506b0f1f356", kill_on_drop: false }`
[INFO] [stdout] 7cd1bbcda504af4a029f5180d1492e09b79078ba38b3dfccb82b8506b0f1f356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 53074bb1a29716fc1c75d50123255533fbd2720854416645a83fae7fc36efe7e
[INFO] running `Command { std: "docker" "start" "-a" "53074bb1a29716fc1c75d50123255533fbd2720854416645a83fae7fc36efe7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "53074bb1a29716fc1c75d50123255533fbd2720854416645a83fae7fc36efe7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53074bb1a29716fc1c75d50123255533fbd2720854416645a83fae7fc36efe7e", kill_on_drop: false }`
[INFO] [stdout] 53074bb1a29716fc1c75d50123255533fbd2720854416645a83fae7fc36efe7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 0a447cb3864193ec6a6d3c2802705e49ff170d27364ca51afbeea2695fd10fd2
[INFO] running `Command { std: "docker" "start" "-a" "0a447cb3864193ec6a6d3c2802705e49ff170d27364ca51afbeea2695fd10fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser/parser.rs:442:10
[INFO] [stdout]     |
[INFO] [stdout] 442 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser/parser.rs:577:10
[INFO] [stdout]     |
[INFO] [stdout] 577 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser/parser.rs:625:10
[INFO] [stdout]     |
[INFO] [stdout] 625 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser/parser.rs:683:10
[INFO] [stdout]     |
[INFO] [stdout] 683 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser/parser.rs:774:10
[INFO] [stdout]     |
[INFO] [stdout] 774 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser/parser.rs:833:10
[INFO] [stdout]     |
[INFO] [stdout] 833 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "0a447cb3864193ec6a6d3c2802705e49ff170d27364ca51afbeea2695fd10fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a447cb3864193ec6a6d3c2802705e49ff170d27364ca51afbeea2695fd10fd2", kill_on_drop: false }`
[INFO] [stdout] 0a447cb3864193ec6a6d3c2802705e49ff170d27364ca51afbeea2695fd10fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d182ba6c14ec087a161101d4de7947e4a8854c5e6dee341ba6c9e5e85b2986b8
[INFO] running `Command { std: "docker" "start" "-a" "d182ba6c14ec087a161101d4de7947e4a8854c5e6dee341ba6c9e5e85b2986b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parser/parser.rs:442:10
[INFO] [stderr]     |
[INFO] [stderr] 442 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parser/parser.rs:577:10
[INFO] [stderr]     |
[INFO] [stderr] 577 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parser/parser.rs:625:10
[INFO] [stderr]     |
[INFO] [stderr] 625 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parser/parser.rs:683:10
[INFO] [stderr]     |
[INFO] [stderr] 683 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parser/parser.rs:774:10
[INFO] [stderr]     |
[INFO] [stderr] 774 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parser/parser.rs:833:10
[INFO] [stderr]     |
[INFO] [stderr] 833 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `monkey` (bin "monkey" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.88s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey-73f2c4f8affbc2d0)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test ast::ast::test::test_string ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_bang_operator ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_let_statements ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_return_statements ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_if_else_expressions ... ok
[INFO] [stdout] test parser::parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test parser::parser::tests::test_integer_literal_expressions ... ok
[INFO] [stdout] test parser::parser::tests::test_if_expression ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_eval_boolean_expression ... ok
[INFO] [stdout] test parser::parser::tests::test_function_literal_parsing ... ok
[INFO] [stdout] test parser::parser::tests::test_call_expression_parsing ... ok
[INFO] [stdout] test parser::parser::tests::test_parsing_infix_expressions_int ... 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_parsing_infix_expressions_bool ... ok
[INFO] [stdout] test parser::parser::tests::test_let_statements ... ok
[INFO] [stdout] test lexer::lexer::tests::test_next_token ... ok
[INFO] [stdout] test parser::parser::tests::test_let_statement_expressions ... ok
[INFO] [stdout] test evaluator::evaluator::tests::test_error_handling ... ok
[INFO] [stdout] test parser::parser::tests::test_boolean_expressions ... ok
[INFO] [stdout] test parser::parser::tests::test_parsing_prefix_expressions_int ... ok
[INFO] [stdout] test parser::parser::tests::test_return_statement ... ok
[INFO] [stdout] test parser::parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d182ba6c14ec087a161101d4de7947e4a8854c5e6dee341ba6c9e5e85b2986b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d182ba6c14ec087a161101d4de7947e4a8854c5e6dee341ba6c9e5e85b2986b8", kill_on_drop: false }`
[INFO] [stdout] d182ba6c14ec087a161101d4de7947e4a8854c5e6dee341ba6c9e5e85b2986b8