[INFO] cloning repository https://github.com/marlonyao/mini-jvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marlonyao/mini-jvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarlonyao%2Fmini-jvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarlonyao%2Fmini-jvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee7fce9894cbe68dec6546b4d43a4c23dbb9da1c
[INFO] testing marlonyao/mini-jvm against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarlonyao%2Fmini-jvm" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marlonyao/mini-jvm
[INFO] finished tweaking git repo https://github.com/marlonyao/mini-jvm
[INFO] tweaked toml for git repo https://github.com/marlonyao/mini-jvm written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marlonyao/mini-jvm on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/marlonyao/mini-jvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437
[INFO] running `Command { std: "docker" "start" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-srcgen v0.131.1
[INFO] [stderr]    Compiling wasmtime-internal-core v44.0.1
[INFO] [stderr]    Compiling cranelift-isle v0.131.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.131.1
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling arbitrary v1.4.2
[INFO] [stderr]    Compiling rustc-hash v2.1.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling region v3.0.2
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.131.1
[INFO] [stderr]    Compiling regalloc2 v0.15.1
[INFO] [stderr]    Compiling gimli v0.33.0
[INFO] [stderr]    Compiling cranelift-bitset v0.131.1
[INFO] [stderr]    Compiling wasmtime-internal-jit-icache-coherence v44.0.1
[INFO] [stderr]    Compiling cranelift-entity v0.131.1
[INFO] [stderr]    Compiling cranelift-control v0.131.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.131.1
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.131.1
[INFO] [stderr]    Compiling cranelift-bforest v0.131.1
[INFO] [stderr]    Compiling cranelift-codegen v0.131.1
[INFO] [stderr]    Compiling cranelift-module v0.131.1
[INFO] [stderr]    Compiling cranelift-frontend v0.131.1
[INFO] [stderr]    Compiling cranelift-native v0.131.1
[INFO] [stderr]    Compiling cranelift-jit v0.131.1
[INFO] [stderr]    Compiling cranelift v0.131.1
[INFO] [stderr]    Compiling mini-jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `descriptor`
[INFO] [stdout]   --> src/runtime/thread.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn is_native_stub(class_name: &str, method_name: &str, descriptor: &str) -> bool {
[INFO] [stdout]    |                                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2m 04s
[INFO] running `Command { std: "docker" "inspect" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `descriptor`
[INFO] [stdout]   --> src/runtime/thread.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn is_native_stub(class_name: &str, method_name: &str, descriptor: &str) -> bool {
[INFO] [stdout]    |                                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mini-jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `execute_bytecode` is never used
[INFO] [stdout]  --> tests/integration_tests.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn execute_bytecode(max_locals: usize, code: Vec<u8>) -> Thread {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `descriptor`
[INFO] [stdout]   --> src/runtime/thread.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn is_native_stub(class_name: &str, method_name: &str, descriptor: &str) -> bool {
[INFO] [stdout]    |                                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx2`
[INFO] [stdout]    --> src/runtime/heap.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let idx2 = heap.alloc("B".to_string());
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_idx2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/runtime/gc.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let c = heap.alloc("C".to_string()); // unreachable
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/runtime/gc.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let c = heap.alloc("C".to_string()); // unreachable
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/runtime/gc.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let b = heap.alloc("B".to_string()); // unreachable
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `descriptor`
[INFO] [stderr]   --> src/runtime/thread.rs:27:56
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn is_native_stub(class_name: &str, method_name: &str, descriptor: &str) -> bool {
[INFO] [stderr]    |                                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx2`
[INFO] [stderr]    --> src/runtime/heap.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let idx2 = heap.alloc("B".to_string());
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_idx2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/runtime/gc.rs:243:13
[INFO] [stderr]     |
[INFO] [stderr] 243 |         let c = heap.alloc("C".to_string()); // unreachable
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/runtime/gc.rs:286:13
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let c = heap.alloc("C".to_string()); // unreachable
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/runtime/gc.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |         let b = heap.alloc("B".to_string()); // unreachable
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-jvm` (lib) generated 1 warning (run `cargo fix --lib -p mini-jvm` to apply 1 suggestion)
[INFO] [stderr] warning: `mini-jvm` (lib test) generated 5 warnings (1 duplicate) (run `cargo fix --lib -p mini-jvm --tests` to apply 4 suggestions)
[INFO] [stderr] warning: function `execute_bytecode` is never used
[INFO] [stderr]  --> tests/integration_tests.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn execute_bytecode(max_locals: usize, code: Vec<u8>) -> Thread {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-jvm` (test "integration_tests") generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/mini_jvm-a66acb2fe6618621)
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test classfile::parser::tests::test_invalid_magic ... ok
[INFO] [stdout] test classfile::parser::tests::test_parse_minimal_class ... ok
[INFO] [stdout] test instructions::arrays::tests::test_arraylength ... ok
[INFO] [stdout] test instructions::constants::tests::test_iconst ... ok
[INFO] [stdout] test instructions::arrays::tests::test_newarray_and_iastore_iaload ... ok
[INFO] [stdout] test instructions::constants::tests::test_bipush_negative ... ok
[INFO] [stdout] test instructions::constants::tests::test_bipush ... ok
[INFO] [stdout] test instructions::constants::tests::test_sipush ... ok
[INFO] [stdout] test instructions::control::tests::test_goto ... ok
[INFO] [stdout] test instructions::control::tests::test_if_icmpeq_taken ... ok
[INFO] [stdout] test instructions::control::tests::test_ifeq_branch_not_taken ... ok
[INFO] [stdout] test instructions::invoke::tests::test_count_args ... ok
[INFO] [stdout] test instructions::invoke::tests::test_ireturn ... ok
[INFO] [stdout] test instructions::invoke::tests::test_return ... ok
[INFO] [stdout] test instructions::loads::tests::test_iload ... ok
[INFO] [stdout] test instructions::control::tests::test_ifeq_branch_taken ... ok
[INFO] [stdout] test instructions::loads::tests::test_iload_n ... ok
[INFO] [stdout] test instructions::math::tests::test_iadd ... ok
[INFO] [stdout] test instructions::math::tests::test_idiv ... ok
[INFO] [stdout] test instructions::math::tests::test_ineg ... ok
[INFO] [stdout] test instructions::math::tests::test_iinc ... ok
[INFO] [stdout] test instructions::math::tests::test_imul ... ok
[INFO] [stdout] test instructions::stack::tests::test_dup ... ok
[INFO] [stdout] test instructions::objects::tests::test_new_object ... ok
[INFO] [stdout] test instructions::stack::tests::test_swap ... ok
[INFO] [stdout] test instructions::stack::tests::test_pop ... ok
[INFO] [stdout] test instructions::stores::tests::test_istore_n ... ok
[INFO] [stdout] test instructions::math::tests::test_irem ... ok
[INFO] [stdout] test instructions::stores::tests::test_istore ... ok
[INFO] [stdout] test runtime::frame::tests::test_frame_new ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_array_tracing ... ok
[INFO] [stdout] test jit::tests::test_compile_constants ... ok
[INFO] [stdout] test jit::tests::test_compile_arithmetic ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_circular_with_root ... ok
[INFO] [stdout] test runtime::frame::tests::test_read_i16 ... ok
[INFO] [stdout] test jit::tests::test_compile_and_run_add ... ok
[INFO] [stdout] test runtime::frame::tests::test_read_u1 ... ok
[INFO] [stdout] test instructions::math::tests::test_ladd ... ok
[INFO] [stdout] test runtime::frame::tests::test_frame_with_args ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_jit_roots ... ok
[INFO] [stdout] test instructions::math::tests::test_isub ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_keeps_null_slots ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_multiple_frames ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_root_in_stack ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_static_fields ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_string_object ... ok
[INFO] [stdout] test runtime::heap::tests::test_heap_alloc_and_get ... ok
[INFO] [stdout] test runtime::heap::tests::test_heap_fields ... ok
[INFO] [stdout] test runtime::heap::tests::test_heap_free_and_reuse ... ok
[INFO] [stdout] test runtime::thread::tests::test_thread_new ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_field_tracing ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_no_roots ... ok
[INFO] [stdout] test runtime::class_loader::tests::test_load_class_from_bytes ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_circular_reference ... ok
[INFO] [stdout] test runtime::frame::tests::test_operand_stack ... ok
[INFO] [stdout] test runtime::gc::tests::test_gc_root_in_local ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/mini_jvm-e14f2a1de338afc8)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/classfile_tests.rs (/opt/rustwide/target/release/deps/classfile_tests-2d063fcfbd2a5776)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_integration_parse_minimal_class ... ok
[INFO] [stdout] test test_integration_invalid_magic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/release/deps/integration_tests-f02ae239248b3546)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_execute_if_else ... ok
[INFO] [stdout] test test_execute_add ... ok
[INFO] [stdout] test test_execute_for_loop ... ok
[INFO] [stdout] test test_execute_sub ... ok
[INFO] [stdout] test test_static_method_call ... ok
[INFO] [stdout] test test_execute_mul ... ok
[INFO] [stdout] test test_execute_negation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mini_jvm
[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" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437", kill_on_drop: false }`
[INFO] [stdout] 4ce45b9532cda3a154509711557f062233bd1bc1589eaef8f25af996162ff437
