[INFO] cloning repository https://github.com/adilahmeddev/vm-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adilahmeddev/vm-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadilahmeddev%2Fvm-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadilahmeddev%2Fvm-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d7011fd1bce388650d13e48c8316ead8a9bd470
[INFO] checking adilahmeddev/vm-in-rust/8d7011fd1bce388650d13e48c8316ead8a9bd470 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadilahmeddev%2Fvm-in-rust" "/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/adilahmeddev/vm-in-rust on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adilahmeddev/vm-in-rust
[INFO] finished tweaking git repo https://github.com/adilahmeddev/vm-in-rust
[INFO] tweaked toml for git repo https://github.com/adilahmeddev/vm-in-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/adilahmeddev/vm-in-rust 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a00d03fa9a9066e718f09e4228b67fd7c699a5e0e0a5a3d097ec927a52fd7651
[INFO] running `Command { std: "docker" "start" "-a" "a00d03fa9a9066e718f09e4228b67fd7c699a5e0e0a5a3d097ec927a52fd7651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a00d03fa9a9066e718f09e4228b67fd7c699a5e0e0a5a3d097ec927a52fd7651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00d03fa9a9066e718f09e4228b67fd7c699a5e0e0a5a3d097ec927a52fd7651", kill_on_drop: false }`
[INFO] [stdout] a00d03fa9a9066e718f09e4228b67fd7c699a5e0e0a5a3d097ec927a52fd7651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca09d6b28c3516a07ca59335780f732adb688c500138f742d8e699cba356f33
[INFO] running `Command { std: "docker" "start" "-a" "4ca09d6b28c3516a07ca59335780f732adb688c500138f742d8e699cba356f33", kill_on_drop: false }`
[INFO] [stderr]     Checking vm-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/vm.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/instructions.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VM` is never constructed
[INFO] [stdout]  --> src/vm.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct VM {
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/vm.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl VM { 
[INFO] [stdout]   | ------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new() -> VM {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HLT` and `IGL` are never constructed
[INFO] [stdout]  --> src/instructions.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Opcode {
[INFO] [stdout]   |          ------ variants in this enum
[INFO] [stdout] 3 |     HLT,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 4 |     IGL
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/instructions.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Instruction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 13 |     pub fn new(opcode: Opcode) -> Self { Self { opcode } }
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `IGL` is never constructed
[INFO] [stdout]  --> src/instructions.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Opcode {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 3 |     HLT,
[INFO] [stdout] 4 |     IGL
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Opcode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "4ca09d6b28c3516a07ca59335780f732adb688c500138f742d8e699cba356f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca09d6b28c3516a07ca59335780f732adb688c500138f742d8e699cba356f33", kill_on_drop: false }`
[INFO] [stdout] 4ca09d6b28c3516a07ca59335780f732adb688c500138f742d8e699cba356f33