[INFO] cloning repository https://github.com/codefionn/rust-customvmcpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codefionn/rust-customvmcpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodefionn%2Frust-customvmcpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodefionn%2Frust-customvmcpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22161aeead9890e8be81a7bc33b1864a724bff59
[INFO] checking codefionn/rust-customvmcpu against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodefionn%2Frust-customvmcpu" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codefionn/rust-customvmcpu on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codefionn/rust-customvmcpu
[INFO] finished tweaking git repo https://github.com/codefionn/rust-customvmcpu
[INFO] tweaked toml for git repo https://github.com/codefionn/rust-customvmcpu written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/codefionn/rust-customvmcpu 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c8095c837f5d4f668b813357e5ca762ffa6b114b5ff1e91f43d6fda818d302e
[INFO] running `Command { std: "docker" "start" "-a" "2c8095c837f5d4f668b813357e5ca762ffa6b114b5ff1e91f43d6fda818d302e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c8095c837f5d4f668b813357e5ca762ffa6b114b5ff1e91f43d6fda818d302e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8095c837f5d4f668b813357e5ca762ffa6b114b5ff1e91f43d6fda818d302e", kill_on_drop: false }`
[INFO] [stdout] 2c8095c837f5d4f668b813357e5ca762ffa6b114b5ff1e91f43d6fda818d302e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0db8d5efbce7094e9f30ad99b0d26c357771cfd348ae330dfc14d23c3f538d30
[INFO] running `Command { std: "docker" "start" "-a" "0db8d5efbce7094e9f30ad99b0d26c357771cfd348ae330dfc14d23c3f538d30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking libcustomvmcpu v0.1.0 (/opt/rustwide/workdir/libs/libcustomvmcpu)
[INFO] [stdout] warning: unused imports: `ERROR_START_NUM`, `Error`, `LAST_REGISTER`, `OpCode`, `Register`
[INFO] [stdout]   --> libs/libcustomvmcpu/src/compiler.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::common::{OpCode, Register, Error, LAST_REGISTER, ERROR_START_NUM};
[INFO] [stdout]    |                     ^^^^^^  ^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ParserResult`
[INFO] [stdout]    --> libs/libcustomvmcpu/src/parser.rs:770:49
[INFO] [stdout]     |
[INFO] [stdout] 770 |     use super::{Token, parse_str, parse_string, ParserResult, Expr, ImmediateExpr};
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]    --> libs/libcustomvmcpu/src/parser.rs:771:24
[INFO] [stdout]     |
[INFO] [stdout] 771 |     use logos::{Logos, Lexer};
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ERROR_START_NUM`, `Error`, `LAST_REGISTER`
[INFO] [stdout]   --> libs/libcustomvmcpu/src/compiler.rs:23:39
[INFO] [stdout]    |
[INFO] [stdout] 23 | use super::common::{OpCode, Register, Error, LAST_REGISTER, ERROR_START_NUM};
[INFO] [stdout]    |                                       ^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compile`
[INFO] [stdout]    --> libs/libcustomvmcpu/src/compiler.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |     use super::{compile, parse_and_compile_str, utils, Register, OpCode};
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> libs/libcustomvmcpu/src/compiler.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         _ => {
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `write_unknown_register_value` and `get_two_register_and_immediate` are never used
[INFO] [stdout]    --> libs/libcustomvmcpu/src/runtime.rs:562:8
[INFO] [stdout]     |
[INFO] [stdout] 181 | impl<'source, InterpreterImpl: Interpreter> VirtualMachine<'source, InterpreterImpl> {
[INFO] [stdout]     | ------------------------------------------------------------------------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 562 |     fn write_unknown_register_value(&mut self, reg: u8, value: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 668 |     fn get_two_register_and_immediate(instruction: u32) -> (u8, u8, u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parser` is never read
[INFO] [stdout]   --> libs/libcustomvmcpu/src/compiler.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Compiler<'source> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 55 |     label_map: HashMap<String, u32>,
[INFO] [stdout] 56 |     parser: &'source mut ParserResult,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir/libs/compiler)
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir/libs/interpreter)
[INFO] [stderr]     Checking customvmcpu-json v0.1.0 (/opt/rustwide/workdir/libs/customvmcpu-json)
[INFO] [stderr]     Checking exampleprogramwriter v0.1.0 (/opt/rustwide/workdir/libs/exampleprogramwriter)
[INFO] [stderr]     Checking rust-customvmcpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `common`, `runtime`
[INFO] [stdout]  --> libs/compiler/src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libcustomvmcpu::{runtime, parser, compiler, common};
[INFO] [stdout]   |                      ^^^^^^^                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]   --> src/main.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 | use libcustomvmcpu::common::{OpCode, Register, Error, ERROR_START_NUM};
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]   --> src/main.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 | use libcustomvmcpu::common::{OpCode, Register, Error, ERROR_START_NUM};
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `common`, `runtime`
[INFO] [stdout]  --> libs/compiler/src/main.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libcustomvmcpu::{runtime, parser, compiler, common};
[INFO] [stdout]   |                      ^^^^^^^                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Interpreter`
[INFO] [stdout]   --> src/main.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 | use libcustomvmcpu::runtime::{Interpreter, BinaryVirtualMachine, BinaryInterpreter};
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Interpreter`
[INFO] [stdout]   --> src/main.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 | use libcustomvmcpu::runtime::{Interpreter, BinaryVirtualMachine, BinaryInterpreter};
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> libs/libcustomvmcpu/src/compiler.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         _ => {
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `write_unknown_register_value` and `get_two_register_and_immediate` are never used
[INFO] [stdout]    --> libs/libcustomvmcpu/src/runtime.rs:562:8
[INFO] [stdout]     |
[INFO] [stdout] 181 | impl<'source, InterpreterImpl: Interpreter> VirtualMachine<'source, InterpreterImpl> {
[INFO] [stdout]     | ------------------------------------------------------------------------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 562 |     fn write_unknown_register_value(&mut self, reg: u8, value: u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 668 |     fn get_two_register_and_immediate(instruction: u32) -> (u8, u8, u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parser` is never read
[INFO] [stdout]   --> libs/libcustomvmcpu/src/compiler.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Compiler<'source> {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 55 |     label_map: HashMap<String, u32>,
[INFO] [stdout] 56 |     parser: &'source mut ParserResult,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "0db8d5efbce7094e9f30ad99b0d26c357771cfd348ae330dfc14d23c3f538d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db8d5efbce7094e9f30ad99b0d26c357771cfd348ae330dfc14d23c3f538d30", kill_on_drop: false }`
[INFO] [stdout] 0db8d5efbce7094e9f30ad99b0d26c357771cfd348ae330dfc14d23c3f538d30
