[INFO] cloning repository https://github.com/WerWolv/Rust-Java-VM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WerWolv/Rust-Java-VM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWerWolv%2FRust-Java-VM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWerWolv%2FRust-Java-VM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7edbe0380b50172687e01361c840fd2ac0a0368
[INFO] checking WerWolv/Rust-Java-VM against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWerWolv%2FRust-Java-VM" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WerWolv/Rust-Java-VM on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WerWolv/Rust-Java-VM
[INFO] finished tweaking git repo https://github.com/WerWolv/Rust-Java-VM
[INFO] tweaked toml for git repo https://github.com/WerWolv/Rust-Java-VM written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/WerWolv/Rust-Java-VM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init v2.0.0
[INFO] [stderr]   Downloaded owo-colors v2.1.0
[INFO] [stderr]   Downloaded binrw_derive v0.8.0
[INFO] [stderr]   Downloaded binrw v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bdb1a4ae1c60181fe9c46ed59cee6744d5445ec530cb7b5f5a1304b7257e859
[INFO] running `Command { std: "docker" "start" "-a" "8bdb1a4ae1c60181fe9c46ed59cee6744d5445ec530cb7b5f5a1304b7257e859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bdb1a4ae1c60181fe9c46ed59cee6744d5445ec530cb7b5f5a1304b7257e859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bdb1a4ae1c60181fe9c46ed59cee6744d5445ec530cb7b5f5a1304b7257e859", kill_on_drop: false }`
[INFO] [stdout] 8bdb1a4ae1c60181fe9c46ed59cee6744d5445ec530cb7b5f5a1304b7257e859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b294a1731cc75149636314eba8097b8136f36feff84cd3c3a3c1b3bf37fea52
[INFO] running `Command { std: "docker" "start" "-a" "2b294a1731cc75149636314eba8097b8136f36feff84cd3c3a3c1b3bf37fea52", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling binrw_derive v0.8.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling owo-colors v2.1.0
[INFO] [stderr]     Checking array-init v2.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking binrw v0.8.0
[INFO] [stderr]     Checking java_vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ro`
[INFO] [stdout]   --> src/java/class.rs:11:63
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn constant_pool_entry_parser<R: Read + Seek>(reader: &mut R, ro: &ReadOptions, _: ()) -> BinResult<Vec<ConstantPoolEntry>>{
[INFO] [stdout]    |                                                               ^^ help: if this is intentional, prefix it with an underscore: `_ro`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ro`
[INFO] [stdout]   --> src/java/class.rs:11:63
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn constant_pool_entry_parser<R: Read + Seek>(reader: &mut R, ro: &ReadOptions, _: ()) -> BinResult<Vec<ConstantPoolEntry>>{
[INFO] [stdout]    |                                                               ^^ help: if this is intentional, prefix it with an underscore: `_ro`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]   --> src/java/vm.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if let Some((name, class)) = jar.get_main_class() {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `class`
[INFO] [stdout]   --> src/java/vm.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if let Some((name, class)) = jar.get_main_class() {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]   --> src/java/vm.rs:59:54
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn execute_byte_code(&self, byte_code: &Vec<u8>, scope: &mut Scope) {
[INFO] [stdout]    |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]   --> src/java/vm.rs:59:54
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn execute_byte_code(&self, byte_code: &Vec<u8>, scope: &mut Scope) {
[INFO] [stdout]    |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.59s
[INFO] running `Command { std: "docker" "inspect" "2b294a1731cc75149636314eba8097b8136f36feff84cd3c3a3c1b3bf37fea52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b294a1731cc75149636314eba8097b8136f36feff84cd3c3a3c1b3bf37fea52", kill_on_drop: false }`
[INFO] [stdout] 2b294a1731cc75149636314eba8097b8136f36feff84cd3c3a3c1b3bf37fea52