[INFO] cloning repository https://github.com/Jwaffled/jvm-r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jwaffled/jvm-r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJwaffled%2Fjvm-r", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJwaffled%2Fjvm-r'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2abd5d833aae465dbc54e16720c592e501a3a53
[INFO] checking Jwaffled/jvm-r against master#a42d94ebb883116f2867cbe3016d9bde9ca6d3f7 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJwaffled%2Fjvm-r" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jwaffled/jvm-r on toolchain a42d94ebb883116f2867cbe3016d9bde9ca6d3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jwaffled/jvm-r
[INFO] finished tweaking git repo https://github.com/Jwaffled/jvm-r
[INFO] tweaked toml for git repo https://github.com/Jwaffled/jvm-r written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jwaffled/jvm-r 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" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "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 Jwaffled/jvm-r against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJwaffled%2Fjvm-r" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jwaffled/jvm-r on toolchain 031b389f0c31c0f91c9464d26313ae513dbe8d36
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jwaffled/jvm-r
[INFO] finished tweaking git repo https://github.com/Jwaffled/jvm-r
[INFO] tweaked toml for git repo https://github.com/Jwaffled/jvm-r written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jwaffled/jvm-r 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" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "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 byteorder v1.5.0
[INFO] [stderr]   Downloaded toml_datetime v0.6.5
[INFO] [stderr]   Downloaded num_enum_derive v0.7.0
[INFO] [stderr]   Downloaded hashbrown v0.14.2
[INFO] [stderr]   Downloaded num_enum v0.7.0
[INFO] [stderr]   Downloaded winnow v0.5.17
[INFO] [stderr]   Downloaded syn v2.0.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d3fc00bf52b9770baef91a18ff3580a2b08811f0af57f454e2d082815e46a1a
[INFO] running `Command { std: "docker" "start" "-a" "3d3fc00bf52b9770baef91a18ff3580a2b08811f0af57f454e2d082815e46a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d3fc00bf52b9770baef91a18ff3580a2b08811f0af57f454e2d082815e46a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3fc00bf52b9770baef91a18ff3580a2b08811f0af57f454e2d082815e46a1a", kill_on_drop: false }`
[INFO] [stdout] 3d3fc00bf52b9770baef91a18ff3580a2b08811f0af57f454e2d082815e46a1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c41262ac2d10325328d9616c12b451fe1568bf9a702039d099d2894e398960d8
[INFO] running `Command { std: "docker" "start" "-a" "c41262ac2d10325328d9616c12b451fe1568bf9a702039d099d2894e398960d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling winnow v0.5.17
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.7.0
[INFO] [stderr]     Checking num_enum v0.7.0
[INFO] [stderr]     Checking jvm-r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `JVM` is never constructed
[INFO] [stdout]  --> src/vm/jvm.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct JVM<'a> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClassLoader` is never constructed
[INFO] [stdout]   --> src/vm/jvm.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ClassLoader {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Runtime` is never constructed
[INFO] [stdout]   --> src/vm/jvm.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Runtime<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/vm/jvm.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'a> Runtime<'a> {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 20 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interpreter` is never constructed
[INFO] [stdout]   --> src/vm/jvm.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Interpreter {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ConstantPool` is never used
[INFO] [stdout]   --> src/vm/jvm.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | type ConstantPool = Vec<ConstantPoolInfo>;
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StackFrame` is never constructed
[INFO] [stdout]   --> src/vm/jvm.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct StackFrame<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `JValue` is never used
[INFO] [stdout]   --> src/vm/jvm.rs:38:6
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum JValue {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JVM` is never constructed
[INFO] [stdout]  --> src/vm/jvm.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct JVM<'a> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClassLoader` is never constructed
[INFO] [stdout]   --> src/vm/jvm.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ClassLoader {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Runtime` is never constructed
[INFO] [stdout]   --> src/vm/jvm.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Runtime<'a> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/vm/jvm.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'a> Runtime<'a> {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 20 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interpreter` is never constructed
[INFO] [stdout]   --> src/vm/jvm.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Interpreter {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ConstantPool` is never used
[INFO] [stdout]   --> src/vm/jvm.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | type ConstantPool = Vec<ConstantPoolInfo>;
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StackFrame` is never constructed
[INFO] [stdout]   --> src/vm/jvm.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct StackFrame<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `JValue` is never used
[INFO] [stdout]   --> src/vm/jvm.rs:38:6
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum JValue {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `Command { std: "docker" "inspect" "c41262ac2d10325328d9616c12b451fe1568bf9a702039d099d2894e398960d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41262ac2d10325328d9616c12b451fe1568bf9a702039d099d2894e398960d8", kill_on_drop: false }`
[INFO] [stdout] c41262ac2d10325328d9616c12b451fe1568bf9a702039d099d2894e398960d8