[INFO] cloning repository https://github.com/tentonlien/java-bytecode-parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tentonlien/java-bytecode-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftentonlien%2Fjava-bytecode-parser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftentonlien%2Fjava-bytecode-parser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 489833d2c2b25edd1d01db6b85fe7e3225f01c23 [INFO] checking tentonlien/java-bytecode-parser against master#6f40082313d8374bdf962aba943a712d5322fae6 for pr-117967 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftentonlien%2Fjava-bytecode-parser" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tentonlien/java-bytecode-parser on toolchain 6f40082313d8374bdf962aba943a712d5322fae6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6f40082313d8374bdf962aba943a712d5322fae6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tentonlien/java-bytecode-parser [INFO] finished tweaking git repo https://github.com/tentonlien/java-bytecode-parser [INFO] tweaked toml for git repo https://github.com/tentonlien/java-bytecode-parser written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6f40082313d8374bdf962aba943a712d5322fae6" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6f40082313d8374bdf962aba943a712d5322fae6" "fetch" "--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 tentonlien/java-bytecode-parser against try#57fd74335bb14b59b719dc3cc5bc4257e73f33ce for pr-117967 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftentonlien%2Fjava-bytecode-parser" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tentonlien/java-bytecode-parser on toolchain 57fd74335bb14b59b719dc3cc5bc4257e73f33ce [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tentonlien/java-bytecode-parser [INFO] finished tweaking git repo https://github.com/tentonlien/java-bytecode-parser [INFO] tweaked toml for git repo https://github.com/tentonlien/java-bytecode-parser written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e32ed044fdf5ee86890d516d3480401603088290c599c8a0fa3e6ce63a0374e1 [INFO] running `Command { std: "docker" "start" "-a" "e32ed044fdf5ee86890d516d3480401603088290c599c8a0fa3e6ce63a0374e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e32ed044fdf5ee86890d516d3480401603088290c599c8a0fa3e6ce63a0374e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e32ed044fdf5ee86890d516d3480401603088290c599c8a0fa3e6ce63a0374e1", kill_on_drop: false }` [INFO] [stdout] e32ed044fdf5ee86890d516d3480401603088290c599c8a0fa3e6ce63a0374e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fd74335bb14b59b719dc3cc5bc4257e73f33ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 369da3c340440d8b0eb9affc56eaada931936bf32b43e3ec05cdce73bf158bbb [INFO] running `Command { std: "docker" "start" "-a" "369da3c340440d8b0eb9affc56eaada931936bf32b43e3ec05cdce73bf158bbb", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking java-bytecode-parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/main.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use log::{error, info, LevelFilter}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/class_loader/instruction_analyzer.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use log::{debug}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/main.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | use log::{error, info, LevelFilter}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/class_loader/instruction_analyzer.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use log::{debug}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_byte_code` is never used [INFO] [stdout] --> src/class_loader/mod.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl JavaClass { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn print_byte_code(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tag` and `content` are never read [INFO] [stdout] --> src/class_loader/constant_pool_analyzer.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct ConstantItem { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 27 | tag: ConstantTag, [INFO] [stdout] | ^^^ [INFO] [stdout] 28 | content: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MemoryModel` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct MemoryModel { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MethodArea` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct MethodArea { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Stack` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NativeStack` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct NativeStack { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ProgramCounter` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct ProgramCounter { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Heap` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Heap { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | String::from("hello"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [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] 21 | let _ = String::from("hello"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_byte_code` is never used [INFO] [stdout] --> src/class_loader/mod.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl JavaClass { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn print_byte_code(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tag` and `content` are never read [INFO] [stdout] --> src/class_loader/constant_pool_analyzer.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct ConstantItem { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 27 | tag: ConstantTag, [INFO] [stdout] | ^^^ [INFO] [stdout] 28 | content: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MemoryModel` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct MemoryModel { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MethodArea` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct MethodArea { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Stack` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NativeStack` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct NativeStack { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ProgramCounter` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct ProgramCounter { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Heap` is never constructed [INFO] [stdout] --> src/vm_structure/mod.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Heap { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | String::from("hello"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [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] 21 | let _ = String::from("hello"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.89s [INFO] running `Command { std: "docker" "inspect" "369da3c340440d8b0eb9affc56eaada931936bf32b43e3ec05cdce73bf158bbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "369da3c340440d8b0eb9affc56eaada931936bf32b43e3ec05cdce73bf158bbb", kill_on_drop: false }` [INFO] [stdout] 369da3c340440d8b0eb9affc56eaada931936bf32b43e3ec05cdce73bf158bbb