[INFO] cloning repository https://github.com/archerfeel/azeroth-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archerfeel/azeroth-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcherfeel%2Fazeroth-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcherfeel%2Fazeroth-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30a4cbabf144cec914b5b5aa15bfa78d34da6af4
[INFO] checking archerfeel/azeroth-vm against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcherfeel%2Fazeroth-vm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archerfeel/azeroth-vm on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/archerfeel/azeroth-vm
[INFO] finished tweaking git repo https://github.com/archerfeel/azeroth-vm
[INFO] tweaked toml for git repo https://github.com/archerfeel/azeroth-vm written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking archerfeel/azeroth-vm against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcherfeel%2Fazeroth-vm" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archerfeel/azeroth-vm on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/archerfeel/azeroth-vm
[INFO] finished tweaking git repo https://github.com/archerfeel/azeroth-vm
[INFO] tweaked toml for git repo https://github.com/archerfeel/azeroth-vm written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.6.10 (latest: v1.1.3)
[INFO] [stderr]       Adding base64 v0.11.0 (latest: v0.22.1)
[INFO] [stderr]       Adding bzip2 v0.3.3 (latest: v0.4.4)
[INFO] [stderr]       Adding libloading v0.5.2 (latest: v0.8.3)
[INFO] [stderr]       Adding owning_ref v0.3.3 (latest: v0.4.1)
[INFO] [stderr]       Adding parking_lot v0.4.8 (latest: v0.12.2)
[INFO] [stderr]       Adding parking_lot_core v0.2.14 (latest: v0.9.10)
[INFO] [stderr]       Adding podio v0.1.7 (latest: v0.2.0)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex v0.2.11 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (latest: v0.8.3)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] [stderr]       Adding thread_local v0.3.6 (latest: v1.1.8)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.36)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding zip v0.3.3 (latest: v1.1.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded msdos_time v0.1.6
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded podio v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 308158306b8f3551cf37751a87acaacbeeb470c3738de9de9080c576abc4cc3b
[INFO] running `Command { std: "docker" "start" "-a" "308158306b8f3551cf37751a87acaacbeeb470c3738de9de9080c576abc4cc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "308158306b8f3551cf37751a87acaacbeeb470c3738de9de9080c576abc4cc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308158306b8f3551cf37751a87acaacbeeb470c3738de9de9080c576abc4cc3b", kill_on_drop: false }`
[INFO] [stdout] 308158306b8f3551cf37751a87acaacbeeb470c3738de9de9080c576abc4cc3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2df59891b41cc34c96e8af0e2fd1e26534e1911f6a30191e6f7bd4faa7e941b0
[INFO] running `Command { std: "docker" "start" "-a" "2df59891b41cc34c96e8af0e2fd1e26534e1911f6a30191e6f7bd4faa7e941b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking azeroth-jni v0.1.0 (/opt/rustwide/workdir/jni)
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking msdos_time v0.1.6
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.3.3
[INFO] [stderr]     Checking azeroth-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::gc`
[INFO] [stdout]  --> src/mem/heap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::gc;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::Thread`
[INFO] [stdout]   --> src/interpreter/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::thread::Thread;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::gc`
[INFO] [stdout]  --> src/mem/heap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::gc;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::Thread`
[INFO] [stdout]   --> src/interpreter/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::thread::Thread;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `weak_into_raw` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(weak_into_raw)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `weak_into_raw` has been stable since 1.45.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(weak_into_raw)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/mem/heap.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         unsafe {
[INFO] [stdout]     |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 160 |             let eden_ptr = jvm_heap!().base.add(eden.offset as usize);
[INFO] [stdout]     |                            ----------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 183 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `jvm_heap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/mem/heap.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         unsafe { jvm_heap!().base.add(offset) }
[INFO] [stdout]     |         ------   ----------- in this macro invocation
[INFO] [stdout]     |         |
[INFO] [stdout]     |         because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 183 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jvm_heap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/mem/heap.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         unsafe {
[INFO] [stdout]     |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] 160 |             let eden_ptr = jvm_heap!().base.add(eden.offset as usize);
[INFO] [stdout]     |                            ----------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 183 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `jvm_heap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/mem/heap.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         unsafe { jvm_heap!().base.add(offset) }
[INFO] [stdout]     |         ------   ----------- in this macro invocation
[INFO] [stdout]     |         |
[INFO] [stdout]     |         because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 183 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jvm_heap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/mem/heap.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 219 |         let obj0_ptr = unsafe { jvm_heap!().base.add(obj0 as usize) };
[INFO] [stdout]     |                        ------   ----------- in this macro invocation
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        because it's nested under this `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jvm_heap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `klass`
[INFO] [stdout]    --> src/interpreter/mod.rs:597:22
[INFO] [stdout]     |
[INFO] [stdout] 597 |                 let (klass, initialized) = found.unwrap();
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_klass`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `klass`
[INFO] [stdout]    --> src/interpreter/mod.rs:597:22
[INFO] [stdout]     |
[INFO] [stdout] 597 |                 let (klass, initialized) = found.unwrap();
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_klass`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_value` is never used
[INFO] [stdout]   --> src/bytecode/field.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn init_value(access_flag: u16, descriptor: &str) -> Option<Value> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_PRIVATE` is never used
[INFO] [stdout]  --> src/bytecode/method.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const ACC_PRIVATE: U2 = 0x0002; // Declared private; accessible only within the defining class.
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_BRIDGE` is never used
[INFO] [stdout]   --> src/bytecode/method.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const ACC_BRIDGE: U2 = 0x0040; // A bridge method, generated by the compiler.
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_VARARGS` is never used
[INFO] [stdout]   --> src/bytecode/method.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const ACC_VARARGS: U2 = 0x0080; // Declared with variable number of arguments.
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_ABSTRACT` is never used
[INFO] [stdout]   --> src/bytecode/method.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const ACC_ABSTRACT: U2 = 0x0400; // Declared abstract; no implementation is provided.
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_STRICT` is never used
[INFO] [stdout]   --> src/bytecode/method.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const ACC_STRICT: U2 = 0x0800; // Declared strictfp; floating-point mode is FPstrict.
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_SYNTHETIC` is never used
[INFO] [stdout]   --> src/bytecode/method.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const ACC_SYNTHETIC: U2 = 0x1000; // Declared synthetic; not present in the source code.
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `allocate_array_in_region` is never used
[INFO] [stdout]    --> src/mem/heap.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl Heap {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn allocate_array_in_region(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_stack_size` is never read
[INFO] [stdout]   --> src/mem/stack.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct JavaStack {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     max_stack_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_subclass` is never used
[INFO] [stdout]    --> src/mem/stack.rs:359:4
[INFO] [stdout]     |
[INFO] [stdout] 359 | fn is_subclass(klass: &Klass, target: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bytecode/mod.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 52 -                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout] 52 +                     panic!("Illegal method descriptor: {}", descriptor);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bytecode/mod.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 58 -                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout] 58 +                     panic!("Illegal method descriptor: {}", descriptor);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bytecode/mod.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 92 -                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout] 92 +                     panic!("Illegal method descriptor: {}", descriptor);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bytecode/mod.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 97 -     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout] 97 +     panic!("Illegal method descriptor: {}", descriptor);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/mem/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let _ = &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/mem/mod.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/mem/mod.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let _ = &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/mem/metaspace.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let _ = class_arena!().mutex.lock().unwrap();
[INFO] [stdout]    |                     ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let _unused = class_arena!().mutex.lock().unwrap();
[INFO] [stdout]    |                     ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 drop(class_arena!().mutex.lock().unwrap());
[INFO] [stdout]    |                 ~~~~~                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/mem/klass.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         &klass.build_vtable();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let _ = &klass.build_vtable();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/mem/klass.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         &klass.build_itable();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = &klass.build_itable();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/mem/klass.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         &klass.build_layout();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let _ = &klass.build_layout();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/interpreter/mod.rs:504:21
[INFO] [stdout]     |
[INFO] [stdout] 504 | /                     &field.value.set(match t.as_ref() {
[INFO] [stdout] 505 | |                         "D" | "J" => Some(Value::eval_w(context.stack.pop_w())),
[INFO] [stdout] 506 | |                         _ => Some(Value::eval(context.stack.pop(), &t)),
[INFO] [stdout] 507 | |                     });
[INFO] [stdout]     | |______________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 504 |                     let _ = &field.value.set(match t.as_ref() {
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/interpreter/mod.rs:707:25
[INFO] [stdout]     |
[INFO] [stdout] 707 |               _ => panic!(format!(
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 708 | |                 "Instruction 0x{:2x?} not implemented yet.",
[INFO] [stdout] 709 | |                 instruction
[INFO] [stdout] 710 | |             )),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 707 ~             _ => panic!(
[INFO] [stdout] 708 |                 "Instruction 0x{:2x?} not implemented yet.",
[INFO] [stdout] 709 |                 instruction
[INFO] [stdout] 710 ~             ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/interpreter/thread.rs:56:37
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Err(no_class) => panic!(format!("ClassNotFoundException: {}", no_class)),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 56 -             Err(no_class) => panic!(format!("ClassNotFoundException: {}", no_class)),
[INFO] [stdout] 56 +             Err(no_class) => panic!("ClassNotFoundException: {}", no_class),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_value` is never used
[INFO] [stdout]   --> src/bytecode/field.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn init_value(access_flag: u16, descriptor: &str) -> Option<Value> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_PRIVATE` is never used
[INFO] [stdout]  --> src/bytecode/method.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const ACC_PRIVATE: U2 = 0x0002; // Declared private; accessible only within the defining class.
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_BRIDGE` is never used
[INFO] [stdout]   --> src/bytecode/method.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const ACC_BRIDGE: U2 = 0x0040; // A bridge method, generated by the compiler.
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_VARARGS` is never used
[INFO] [stdout]   --> src/bytecode/method.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const ACC_VARARGS: U2 = 0x0080; // Declared with variable number of arguments.
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_ABSTRACT` is never used
[INFO] [stdout]   --> src/bytecode/method.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const ACC_ABSTRACT: U2 = 0x0400; // Declared abstract; no implementation is provided.
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_STRICT` is never used
[INFO] [stdout]   --> src/bytecode/method.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const ACC_STRICT: U2 = 0x0800; // Declared strictfp; floating-point mode is FPstrict.
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_SYNTHETIC` is never used
[INFO] [stdout]   --> src/bytecode/method.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const ACC_SYNTHETIC: U2 = 0x1000; // Declared synthetic; not present in the source code.
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `allocate_array_in_region` is never used
[INFO] [stdout]    --> src/mem/heap.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl Heap {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn allocate_array_in_region(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_stack_size` is never read
[INFO] [stdout]   --> src/mem/stack.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct JavaStack {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     max_stack_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_subclass` is never used
[INFO] [stdout]    --> src/mem/stack.rs:359:4
[INFO] [stdout]     |
[INFO] [stdout] 359 | fn is_subclass(klass: &Klass, target: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bytecode/mod.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 52 -                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout] 52 +                     panic!("Illegal method descriptor: {}", descriptor);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bytecode/mod.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 58 -                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout] 58 +                     panic!("Illegal method descriptor: {}", descriptor);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bytecode/mod.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 92 -                     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout] 92 +                     panic!("Illegal method descriptor: {}", descriptor);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `azeroth-vm` (lib) due to 2 previous errors; 30 warnings emitted
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bytecode/mod.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 97 -     panic!(format!("Illegal method descriptor: {}", descriptor));
[INFO] [stdout] 97 +     panic!("Illegal method descriptor: {}", descriptor);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/mem/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let _ = &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/mem/mod.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/mem/mod.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 let _ = &vv[..].copy_from_slice(&v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/mem/metaspace.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let _ = class_arena!().mutex.lock().unwrap();
[INFO] [stdout]    |                     ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let _unused = class_arena!().mutex.lock().unwrap();
[INFO] [stdout]    |                     ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 drop(class_arena!().mutex.lock().unwrap());
[INFO] [stdout]    |                 ~~~~~                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/mem/klass.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         &klass.build_vtable();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let _ = &klass.build_vtable();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/mem/klass.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         &klass.build_itable();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let _ = &klass.build_itable();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/mem/klass.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         &klass.build_layout();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let _ = &klass.build_layout();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/interpreter/mod.rs:504:21
[INFO] [stdout]     |
[INFO] [stdout] 504 | /                     &field.value.set(match t.as_ref() {
[INFO] [stdout] 505 | |                         "D" | "J" => Some(Value::eval_w(context.stack.pop_w())),
[INFO] [stdout] 506 | |                         _ => Some(Value::eval(context.stack.pop(), &t)),
[INFO] [stdout] 507 | |                     });
[INFO] [stdout]     | |______________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 504 |                     let _ = &field.value.set(match t.as_ref() {
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/interpreter/mod.rs:707:25
[INFO] [stdout]     |
[INFO] [stdout] 707 |               _ => panic!(format!(
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 708 | |                 "Instruction 0x{:2x?} not implemented yet.",
[INFO] [stdout] 709 | |                 instruction
[INFO] [stdout] 710 | |             )),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 707 ~             _ => panic!(
[INFO] [stdout] 708 |                 "Instruction 0x{:2x?} not implemented yet.",
[INFO] [stdout] 709 |                 instruction
[INFO] [stdout] 710 ~             ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/interpreter/thread.rs:56:37
[INFO] [stdout]    |
[INFO] [stdout] 56 |             Err(no_class) => panic!(format!("ClassNotFoundException: {}", no_class)),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 56 -             Err(no_class) => panic!(format!("ClassNotFoundException: {}", no_class)),
[INFO] [stdout] 56 +             Err(no_class) => panic!("ClassNotFoundException: {}", no_class),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `azeroth-vm` (lib test) due to 2 previous errors; 31 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2df59891b41cc34c96e8af0e2fd1e26534e1911f6a30191e6f7bd4faa7e941b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df59891b41cc34c96e8af0e2fd1e26534e1911f6a30191e6f7bd4faa7e941b0", kill_on_drop: false }`
[INFO] [stdout] 2df59891b41cc34c96e8af0e2fd1e26534e1911f6a30191e6f7bd4faa7e941b0
