[INFO] cloning repository https://github.com/nehri97/RSVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nehri97/RSVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnehri97%2FRSVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnehri97%2FRSVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc0aa00573c651d0a05822b60332989786fb11af
[INFO] checking nehri97/RSVM against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnehri97%2FRSVM" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nehri97/RSVM on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nehri97/RSVM
[INFO] finished tweaking git repo https://github.com/nehri97/RSVM
[INFO] tweaked toml for git repo https://github.com/nehri97/RSVM written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate git repo https://github.com/nehri97/RSVM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20fa6ea622bebdf299a1b70cc704f7d01e1ec95d0015d15fd03489b30355f355
[INFO] running `Command { std: "docker" "start" "-a" "20fa6ea622bebdf299a1b70cc704f7d01e1ec95d0015d15fd03489b30355f355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20fa6ea622bebdf299a1b70cc704f7d01e1ec95d0015d15fd03489b30355f355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fa6ea622bebdf299a1b70cc704f7d01e1ec95d0015d15fd03489b30355f355", kill_on_drop: false }`
[INFO] [stdout] 20fa6ea622bebdf299a1b70cc704f7d01e1ec95d0015d15fd03489b30355f355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 482615cf27131546f93a3caf3356db47e4b59cec9c3c5c53a8a47180f5af0567
[INFO] running `Command { std: "docker" "start" "-a" "482615cf27131546f93a3caf3356db47e4b59cec9c3c5c53a8a47180f5af0567", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rsvm v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib.rs (3 fixes)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CPU`
[INFO] [stdout]   --> src/lib.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut instance = CPU::new(Memory::new(256));
[INFO] [stdout]    |                            ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use crate::cpu::CPU;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Memory`
[INFO] [stdout]   --> src/lib.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut instance = CPU::new(Memory::new(256));
[INFO] [stdout]    |                                     ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use crate::memory::Memory;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `CPU`
[INFO] [stdout]   --> src/lib.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut instance = CPU::new(Memory::new(256));
[INFO] [stdout]    |                            ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use crate::cpu::CPU;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Memory`
[INFO] [stdout]   --> src/lib.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut instance = CPU::new(Memory::new(256));
[INFO] [stdout]    |                                     ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use crate::memory::Memory;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MOV_REG_REG`
[INFO] [stdout]  --> src/instructions.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const MOV_REG_REG: u8 = 0x11;   // Move a register's value to another register
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MOV_REG_MEM`
[INFO] [stdout]  --> src/instructions.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MOV_REG_MEM: u8 = 0x12;   // Move a value from a register to memory
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MOV_MEM_REG`
[INFO] [stdout]  --> src/instructions.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const MOV_MEM_REG: u8 = 0x13;   // Move a value from memory to a register
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ADD_REG_REG`
[INFO] [stdout]  --> src/instructions.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const ADD_REG_REG: u8 = 0x14;   // Add values from two registers to the acc register
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `JMP_NEQ`
[INFO] [stdout]  --> src/instructions.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const JMP_NEQ: u8 = 0x15;       // Jump if the value in the accumulator is different from a literal
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/memory.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(memsize: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REGISTERS`
[INFO] [stdout]  --> src/cpu.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const REGISTERS: &[&str] = &["ip", "acc", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsvm` due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant is never constructed: `LoadFailure`
[INFO] [stdout]   --> src/cpu.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     LoadFailure,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidRegister`
[INFO] [stdout]   --> src/cpu.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     InvalidRegister,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FetchFailure`
[INFO] [stdout]   --> src/cpu.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     FetchFailure,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ExecutionFailure`
[INFO] [stdout]   --> src/cpu.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ExecutionFailure,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidInstruction`
[INFO] [stdout]   --> src/cpu.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     InvalidInstruction
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CPU`
[INFO] [stdout]   --> src/cpu.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct CPU {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(memory_item: Memory) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_register`
[INFO] [stdout]   --> src/cpu.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn get_register(&self, name: &str) -> Result<u16, CPUError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_register`
[INFO] [stdout]   --> src/cpu.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn set_register(&mut self, name: &str, value: u16) -> Result<(), CPUError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_register_index`
[INFO] [stdout]   --> src/cpu.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn get_register_index(&mut self) -> Result<u8, CPUError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch`
[INFO] [stdout]   --> src/cpu.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn fetch(&mut self) -> Result<u8, CPUError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch16`
[INFO] [stdout]    --> src/cpu.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn fetch16(&mut self) -> Result<u16, CPUError> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]    --> src/cpu.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn execute(&mut self, instruction: u8) -> Result<(), CPUError> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load`
[INFO] [stdout]    --> src/cpu.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn load(&mut self, index: usize, value: u8) -> Result<(), CPUError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]    --> src/cpu.rs:203:12
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn step(&mut self) -> Result<(), CPUError> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `display`
[INFO] [stdout]    --> src/cpu.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn display(&self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/cpu.rs:174:21
[INFO] [stdout]     |
[INFO] [stdout] 174 |                     self.set_register("ip", address);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "482615cf27131546f93a3caf3356db47e4b59cec9c3c5c53a8a47180f5af0567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482615cf27131546f93a3caf3356db47e4b59cec9c3c5c53a8a47180f5af0567", kill_on_drop: false }`
[INFO] [stdout] 482615cf27131546f93a3caf3356db47e4b59cec9c3c5c53a8a47180f5af0567