[INFO] cloning repository https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Compiler-Spring-2023%2FBytecode-Virtual-Machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Compiler-Spring-2023%2FBytecode-Virtual-Machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8f955011c33250dedae39344b8bdf970724d508
[INFO] testing Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Compiler-Spring-2023%2FBytecode-Virtual-Machine" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine
[INFO] finished tweaking git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine
[INFO] tweaked toml for git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine 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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "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] testing Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Compiler-Spring-2023%2FBytecode-Virtual-Machine" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine on toolchain 33f1d8bb92813a1bfc23c093c9f443ab09290307
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine
[INFO] finished tweaking git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine
[INFO] tweaked toml for git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine 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" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRust-Compiler-Spring-2023%2FBytecode-Virtual-Machine" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine on toolchain 33f1d8bb92813a1bfc23c093c9f443ab09290307
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine
[INFO] finished tweaking git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine
[INFO] tweaked toml for git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Rust-Compiler-Spring-2023/Bytecode-Virtual-Machine 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" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c6d4a922e89ac6f133b94fd693c3eeb50ce29a51aa9252a8042648d37f7e356
[INFO] running `Command { std: "docker" "start" "-a" "1c6d4a922e89ac6f133b94fd693c3eeb50ce29a51aa9252a8042648d37f7e356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c6d4a922e89ac6f133b94fd693c3eeb50ce29a51aa9252a8042648d37f7e356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6d4a922e89ac6f133b94fd693c3eeb50ce29a51aa9252a8042648d37f7e356", kill_on_drop: false }`
[INFO] [stdout] 1c6d4a922e89ac6f133b94fd693c3eeb50ce29a51aa9252a8042648d37f7e356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b45766aad6feb9724444ec6c91fcd76e20b74ed497c788bc63c2e8d52056a7b
[INFO] running `Command { std: "docker" "start" "-a" "9b45766aad6feb9724444ec6c91fcd76e20b74ed497c788bc63c2e8d52056a7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecode-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::chunk::*`
[INFO] [stdout]  --> src/debug.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::chunk::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debug::*`
[INFO] [stdout]   --> src/vm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::debug::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debug::*`
[INFO] [stdout]  --> src/compiler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::debug::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/vm.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `char_at` is never used
[INFO] [stdout]     --> src/compiler.rs:1230:8
[INFO] [stdout]      |
[INFO] [stdout] 1224 | trait StringUtils {
[INFO] [stdout]      |       ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 1230 |     fn char_at(&mut self, index_pos: usize) -> char;
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "9b45766aad6feb9724444ec6c91fcd76e20b74ed497c788bc63c2e8d52056a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b45766aad6feb9724444ec6c91fcd76e20b74ed497c788bc63c2e8d52056a7b", kill_on_drop: false }`
[INFO] [stdout] 9b45766aad6feb9724444ec6c91fcd76e20b74ed497c788bc63c2e8d52056a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b94c8be390b665cbf803bb8bbc3d3e5948761f9865f4f3b481a1529e995896
[INFO] running `Command { std: "docker" "start" "-a" "15b94c8be390b665cbf803bb8bbc3d3e5948761f9865f4f3b481a1529e995896", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecode-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::chunk::*`
[INFO] [stdout]  --> src/debug.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::chunk::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debug::*`
[INFO] [stdout]   --> src/vm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::debug::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::debug::*`
[INFO] [stdout]  --> src/compiler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::debug::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/vm.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `char_at` is never used
[INFO] [stdout]     --> src/compiler.rs:1230:8
[INFO] [stdout]      |
[INFO] [stdout] 1224 | trait StringUtils {
[INFO] [stdout]      |       ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 1230 |     fn char_at(&mut self, index_pos: usize) -> char;
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "15b94c8be390b665cbf803bb8bbc3d3e5948761f9865f4f3b481a1529e995896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b94c8be390b665cbf803bb8bbc3d3e5948761f9865f4f3b481a1529e995896", kill_on_drop: false }`
[INFO] [stdout] 15b94c8be390b665cbf803bb8bbc3d3e5948761f9865f4f3b481a1529e995896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7ec77c2f2be21fee6e3ae5e077f43da918a507e8e46ac77aa9a00cc29f01102
[INFO] running `Command { std: "docker" "start" "-a" "b7ec77c2f2be21fee6e3ae5e077f43da918a507e8e46ac77aa9a00cc29f01102", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::chunk::*`
[INFO] [stderr]  --> src/debug.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::chunk::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::debug::*`
[INFO] [stderr]   --> src/vm.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::debug::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::debug::*`
[INFO] [stderr]  --> src/compiler.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::debug::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Borrow`
[INFO] [stderr]  --> src/vm.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `char_at` is never used
[INFO] [stderr]     --> src/compiler.rs:1230:8
[INFO] [stderr]      |
[INFO] [stderr] 1224 | trait StringUtils {
[INFO] [stderr]      |       ----------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 1230 |     fn char_at(&mut self, index_pos: usize) -> char;
[INFO] [stderr]      |        ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bytecode-vm` (bin "bytecode-vm" test) generated 5 warnings (run `cargo fix --bin "bytecode-vm" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bytecode_vm-9877d2cef9adc20c)
[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" "b7ec77c2f2be21fee6e3ae5e077f43da918a507e8e46ac77aa9a00cc29f01102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ec77c2f2be21fee6e3ae5e077f43da918a507e8e46ac77aa9a00cc29f01102", kill_on_drop: false }`
[INFO] [stdout] b7ec77c2f2be21fee6e3ae5e077f43da918a507e8e46ac77aa9a00cc29f01102