[INFO] cloning repository https://github.com/yukihir0/rs_monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yukihir0/rs_monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukihir0%2Frs_monkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyukihir0%2Frs_monkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0cfaa6c5ad7c1ffe611cee5a5289f4d6dd582db
[INFO] testing yukihir0/rs_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%2Fyukihir0%2Frs_monkey" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yukihir0/rs_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/yukihir0/rs_monkey
[INFO] finished tweaking git repo https://github.com/yukihir0/rs_monkey
[INFO] tweaked toml for git repo https://github.com/yukihir0/rs_monkey written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/yukihir0/rs_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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e2717e2a83c27cea1de08fa2c1a14669a80d4b5b46cfddb58821019574724791
[INFO] running `Command { std: "docker" "start" "-a" "e2717e2a83c27cea1de08fa2c1a14669a80d4b5b46cfddb58821019574724791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2717e2a83c27cea1de08fa2c1a14669a80d4b5b46cfddb58821019574724791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2717e2a83c27cea1de08fa2c1a14669a80d4b5b46cfddb58821019574724791", kill_on_drop: false }`
[INFO] [stdout] e2717e2a83c27cea1de08fa2c1a14669a80d4b5b46cfddb58821019574724791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] dc4532ef37b3cea2a8a6a18b279c4c7e574260ae21999eed61dfad80b78e34ec
[INFO] running `Command { std: "docker" "start" "-a" "dc4532ef37b3cea2a8a6a18b279c4c7e574260ae21999eed61dfad80b78e34ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/environment.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "dc4532ef37b3cea2a8a6a18b279c4c7e574260ae21999eed61dfad80b78e34ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4532ef37b3cea2a8a6a18b279c4c7e574260ae21999eed61dfad80b78e34ec", kill_on_drop: false }`
[INFO] [stdout] dc4532ef37b3cea2a8a6a18b279c4c7e574260ae21999eed61dfad80b78e34ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ee0ebb8d2f67f20ffc08c98fc56adf655de05f17a57ad0f2698a5bf297c16878
[INFO] running `Command { std: "docker" "start" "-a" "ee0ebb8d2f67f20ffc08c98fc56adf655de05f17a57ad0f2698a5bf297c16878", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/environment.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "ee0ebb8d2f67f20ffc08c98fc56adf655de05f17a57ad0f2698a5bf297c16878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0ebb8d2f67f20ffc08c98fc56adf655de05f17a57ad0f2698a5bf297c16878", kill_on_drop: false }`
[INFO] [stdout] ee0ebb8d2f67f20ffc08c98fc56adf655de05f17a57ad0f2698a5bf297c16878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2b5833eb7ab805a144161e4cb5c8366439201cab2c23dc686737215b140d1792
[INFO] running `Command { std: "docker" "start" "-a" "2b5833eb7ab805a144161e4cb5c8366439201cab2c23dc686737215b140d1792", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stdout] running 35 tests
[INFO] [stderr]   --> src/environment.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs_monkey` (bin "rs_monkey" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_monkey-4acafc190eab9c44)
[INFO] [stdout] test evaluator::tests::test_array_literal ... ok
[INFO] [stdout] test evaluator::tests::test_bang_operator ... ok
[INFO] [stdout] test evaluator::tests::test_integer_expression ... ok
[INFO] [stdout] test evaluator::tests::test_return_statement ... ok
[INFO] [stdout] test evaluator::tests::test_string_concatenation ... ok
[INFO] [stdout] test evaluator::tests::test_string_expression ... ok
[INFO] [stdout] test parser::tests::test_if_expression ... ok
[INFO] [stdout] test parser::tests::test_index_expression ... ok
[INFO] [stdout] test evaluator::tests::test_let_statement ... ok
[INFO] [stdout] test evaluator::tests::test_if_else_expression ... ok
[INFO] [stdout] test evaluator::tests::test_hash_literal ... ok
[INFO] [stdout] test parser::tests::test_boolean_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_array_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_infix_expression ... ok
[INFO] [stdout] test lexer::tests::next_token_test ... ok
[INFO] [stdout] test evaluator::tests::test_builtin_functions ... ok
[INFO] [stdout] test parser::tests::test_call_expression ... ok
[INFO] [stdout] test evaluator::tests::test_function_object ... ok
[INFO] [stdout] test evaluator::tests::test_error_handling ... ok
[INFO] [stdout] test evaluator::tests::test_closures ... ok
[INFO] [stdout] test parser::tests::test_func_expression ... ok
[INFO] [stdout] test parser::tests::test_hash_literal_expression ... ok
[INFO] [stdout] test evaluator::tests::test_function_application ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_func_params ... ok
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test evaluator::tests::test_array_index_expression ... ok
[INFO] [stdout] test evaluator::tests::test_hash_index_expr ... ok
[INFO] [stdout] test parser::tests::test_return_statement ... ok
[INFO] [stdout] test parser::tests::test_string_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_let_statement ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_monkey-a2ae07a5363c3196)
[INFO] [stdout] test evaluator::tests::test_boolean_expression ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stdout] test parser::tests::test_prefix_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test evaluator::tests::test_array_index_expression ... ok
[INFO] [stdout] test evaluator::tests::test_function_object ... ok
[INFO] [stdout] test evaluator::tests::test_hash_index_expr ... ok
[INFO] [stdout] test evaluator::tests::test_hash_literal ... ok
[INFO] [stdout] test evaluator::tests::test_return_statement ... ok
[INFO] [stdout] test evaluator::tests::test_string_expression ... ok
[INFO] [stdout] test lexer::tests::next_token_test ... ok
[INFO] [stdout] test parser::tests::test_array_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_boolean_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test evaluator::tests::test_bang_operator ... ok
[INFO] [stdout] test parser::tests::test_if_expression ... ok
[INFO] [stdout] test evaluator::tests::test_array_literal ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_let_statement ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stdout] test evaluator::tests::test_function_application ... ok
[INFO] [stdout] test evaluator::tests::test_error_handling ... ok
[INFO] [stdout] test parser::tests::test_prefix_expression ... ok
[INFO] [stdout] test evaluator::tests::test_closures ... ok
[INFO] [stdout] test parser::tests::test_string_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_infix_expression ... ok
[INFO] [stdout] test parser::tests::test_func_params ... ok
[INFO] [stdout] test evaluator::tests::test_string_concatenation ... ok
[INFO] [stdout] test parser::tests::test_return_statement ... ok
[INFO] [stdout] test evaluator::tests::test_builtin_functions ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression ... ok
[INFO] [stderr]    Doc-tests rs_monkey
[INFO] [stdout] test parser::tests::test_call_expression ... ok
[INFO] [stdout] test parser::tests::test_func_expression ... ok
[INFO] [stdout] test evaluator::tests::test_let_statement ... ok
[INFO] [stdout] test evaluator::tests::test_if_else_expression ... ok
[INFO] [stdout] test parser::tests::test_hash_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_index_expression ... ok
[INFO] [stdout] test evaluator::tests::test_boolean_expression ... ok
[INFO] [stdout] test evaluator::tests::test_integer_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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" "2b5833eb7ab805a144161e4cb5c8366439201cab2c23dc686737215b140d1792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5833eb7ab805a144161e4cb5c8366439201cab2c23dc686737215b140d1792", kill_on_drop: false }`
[INFO] [stdout] 2b5833eb7ab805a144161e4cb5c8366439201cab2c23dc686737215b140d1792