[INFO] cloning repository https://github.com/beoboo/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/beoboo/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeoboo%2Fmonkey-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeoboo%2Fmonkey-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebdde1792827dcfb582f307ff0ec61e9ae0eb7dd
[INFO] testing beoboo/monkey-rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeoboo%2Fmonkey-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beoboo/monkey-rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/beoboo/monkey-rust
[INFO] finished tweaking git repo https://github.com/beoboo/monkey-rust
[INFO] tweaked toml for git repo https://github.com/beoboo/monkey-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/beoboo/monkey-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a206d16ab3e3d4f171862110c203e586e4d2b5e99a3863fe835706aa259c052f
[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" "a206d16ab3e3d4f171862110c203e586e4d2b5e99a3863fe835706aa259c052f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a206d16ab3e3d4f171862110c203e586e4d2b5e99a3863fe835706aa259c052f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a206d16ab3e3d4f171862110c203e586e4d2b5e99a3863fe835706aa259c052f", kill_on_drop: false }`
[INFO] [stdout] a206d16ab3e3d4f171862110c203e586e4d2b5e99a3863fe835706aa259c052f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f1d06222fd1983fadb4094e5633d7b13b5daade32e48a0823ace285fca0d96b
[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" "1f1d06222fd1983fadb4094e5633d7b13b5daade32e48a0823ace285fca0d96b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling users v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling linkme-impl v0.2.7
[INFO] [stderr]    Compiling intertrait-macros v0.2.2
[INFO] [stderr]    Compiling linkme v0.2.7
[INFO] [stderr]    Compiling intertrait v0.2.2
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Disassembler`
[INFO] [stdout]  --> src/disassembler.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Disassembler {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/disassembler.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(op_codes: OpCodes) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disassemble`
[INFO] [stdout]   --> src/disassembler.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn disassemble(&self, instructions: Instructions) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `format_instruction`
[INFO] [stdout]   --> src/disassembler.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn format_instruction(&self, definition: &Definition, operands: Vec<u32>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup`
[INFO] [stdout]   --> src/disassembler.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn lookup(&self, op_code: &Byte) -> Option<&Definition> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_operands`
[INFO] [stdout]   --> src/disassembler.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn read_operands(&self, definition: &Definition, instructions: &[Byte]) -> (Vec<u32>, usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.51s
[INFO] running `Command { std: "docker" "inspect" "1f1d06222fd1983fadb4094e5633d7b13b5daade32e48a0823ace285fca0d96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1d06222fd1983fadb4094e5633d7b13b5daade32e48a0823ace285fca0d96b", kill_on_drop: false }`
[INFO] [stdout] 1f1d06222fd1983fadb4094e5633d7b13b5daade32e48a0823ace285fca0d96b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", 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] ff5bb457a48a6242626f4503ef975e79deb026cd538d187efd6dba835f675595
[INFO] running `Command { std: "docker" "start" "-a" "ff5bb457a48a6242626f4503ef975e79deb026cd538d187efd6dba835f675595", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "ff5bb457a48a6242626f4503ef975e79deb026cd538d187efd6dba835f675595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5bb457a48a6242626f4503ef975e79deb026cd538d187efd6dba835f675595", kill_on_drop: false }`
[INFO] [stdout] ff5bb457a48a6242626f4503ef975e79deb026cd538d187efd6dba835f675595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0bb0ac41b3d45b5015c3c75fc97c4ce17f9cd37ed0d65894e0804ac7d1133b7
[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" "b0bb0ac41b3d45b5015c3c75fc97c4ce17f9cd37ed0d65894e0804ac7d1133b7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey-fe6fc71f5c40151b)
[INFO] [stdout] 
[INFO] [stdout] running 67 tests
[INFO] [stdout] test assembler::tests::test_assemble ... ok
[INFO] [stdout] test evaluator::tests::eval_bang_operator ... ok
[INFO] [stdout] test compiler::tests::test_conditionals ... ok
[INFO] [stdout] test evaluator::tests::eval_boolean_expression ... ok
[INFO] [stdout] test compiler::tests::test_global_let_statements ... ok
[INFO] [stdout] test disassembler::tests::test_string ... ok
[INFO] [stdout] test evaluator::tests::eval_array ... ok
[INFO] [stdout] test evaluator::tests::eval_builtin_functions ... ok
[INFO] [stdout] test compiler::tests::test_integers ... ok
[INFO] [stdout] test evaluator::tests::eval_function ... ok
[INFO] [stdout] test evaluator::tests::eval_enclosed_environment ... ok
[INFO] [stdout] test evaluator::tests::eval_error_handling ... ok
[INFO] [stdout] test ast::tests::test_modify ... ok
[INFO] [stdout] test ast::tests::test_to_string ... ok
[INFO] [stdout] test disassembler::tests::test_read_operands ... ok
[INFO] [stdout] test evaluator::tests::eval_closure ... ok
[INFO] [stdout] test evaluator::tests::eval_if_expression ... ok
[INFO] [stdout] test evaluator::tests::eval_index_expressions ... ok
[INFO] [stdout] test evaluator::tests::eval_map ... ok
[INFO] [stdout] test evaluator::tests::eval_let_statement ... ok
[INFO] [stdout] test evaluator::tests::eval_integer_expression ... ok
[INFO] [stdout] test evaluator::tests::eval_return_statements ... ok
[INFO] [stdout] test lexer::tests::next_token ... ok
[INFO] [stdout] test evaluator::tests::eval_string_concatenation ... ok
[INFO] [stdout] test evaluator::tests::eval_function_call ... ok
[INFO] [stdout] test lexer::tests::operators ... ok
[INFO] [stdout] test evaluator::tests::eval_string_literal ... ok
[INFO] [stdout] test evaluator::tests::eval_map_index_expressions ... ok
[INFO] [stdout] test compiler::tests::test_booleans ... ok
[INFO] [stdout] test object::tests::test_integers ... ok
[INFO] [stdout] test object::tests::test_strings ... ok
[INFO] [stdout] test macro_expander::tests::define_macro ... ok
[INFO] [stdout] test object::tests::test_booleans ... ok
[INFO] [stdout] test parser::tests::parse_array_literal ... ok
[INFO] [stdout] test parser::tests::parse_boolean_literal ... ok
[INFO] [stdout] test parser::tests::parse_call_expression ... ok
[INFO] [stdout] test parser::tests::parse_empty_hash_literal ... ok
[INFO] [stdout] test parser::tests::operator_precedence ... ok
[INFO] [stdout] test evaluator::tests::eval_quote ... ok
[INFO] [stdout] test parser::tests::parse_identifier ... ok
[INFO] [stdout] test parser::tests::parse_boolean_infix_expressions ... ok
[INFO] [stdout] test parser::tests::parse_map_literal_string_keys ... ok
[INFO] [stdout] test parser::tests::parse_integer_infix_expressions ... ok
[INFO] [stdout] test parser::tests::parse_map_literal_integer_keys ... ok
[INFO] [stdout] test parser::tests::parse_map_literal_expression_values ... ok
[INFO] [stdout] test parser::tests::parse_parameters ... ok
[INFO] [stdout] test parser::tests::parse_string_literal ... ok
[INFO] [stdout] test parser::tests::parse_string_prefix_expressions ... ok
[INFO] [stdout] test symbol_table::tests::test_resolve_global ... ok
[INFO] [stdout] test parser::tests::parse_if_expression ... ok
[INFO] [stdout] test parser::tests::parse_integer_literal ... ok
[INFO] [stdout] test parser::tests::parse_let_statement ... ok
[INFO] [stdout] test parser::tests::parse_return_statement ... ok
[INFO] [stdout] test parser::tests::parse_macro_literal ... ok
[INFO] [stdout] test parser::tests::parse_boolean_prefix_expressions ... ok
[INFO] [stdout] test parser::tests::parse_function_literal ... ok
[INFO] [stdout] test parser::tests::parse_if_else_expression ... ok
[INFO] [stdout] test parser::tests::parse_integer_prefix_expressions ... ok
[INFO] [stdout] test parser::tests::parse_string_infix_expressions ... ok
[INFO] [stdout] test symbol_table::tests::test_define ... ok
[INFO] [stdout] test parser::tests::parse_index_expression ... ok
[INFO] [stdout] test parser::tests::parse_map_literal_boolean_keys ... ok
[INFO] [stdout] test vm::tests::test_boolean_logic ... ok
[INFO] [stdout] test vm::tests::test_conditionals ... ok
[INFO] [stdout] test vm::tests::test_integer_arithmetic ... ok
[INFO] [stdout] test vm::tests::test_let_statements ... ok
[INFO] [stdout] test macro_expander::tests::expand_macro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 67 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b0bb0ac41b3d45b5015c3c75fc97c4ce17f9cd37ed0d65894e0804ac7d1133b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0bb0ac41b3d45b5015c3c75fc97c4ce17f9cd37ed0d65894e0804ac7d1133b7", kill_on_drop: false }`
[INFO] [stdout] b0bb0ac41b3d45b5015c3c75fc97c4ce17f9cd37ed0d65894e0804ac7d1133b7