[INFO] cloning repository https://github.com/Nufflee/x86-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nufflee/x86-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNufflee%2Fx86-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNufflee%2Fx86-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0298449ee867134c5f2e376433a40016c22a5ab4
[INFO] checking Nufflee/x86-emulator against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNufflee%2Fx86-emulator" "/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/Nufflee/x86-emulator on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nufflee/x86-emulator
[INFO] finished tweaking git repo https://github.com/Nufflee/x86-emulator
[INFO] tweaked toml for git repo https://github.com/Nufflee/x86-emulator written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Nufflee/x86-emulator 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96a455784d638119965af100e3721c730287d7755e9f82cfd9be17f91b2acd79
[INFO] running `Command { std: "docker" "start" "-a" "96a455784d638119965af100e3721c730287d7755e9f82cfd9be17f91b2acd79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96a455784d638119965af100e3721c730287d7755e9f82cfd9be17f91b2acd79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a455784d638119965af100e3721c730287d7755e9f82cfd9be17f91b2acd79", kill_on_drop: false }`
[INFO] [stdout] 96a455784d638119965af100e3721c730287d7755e9f82cfd9be17f91b2acd79
[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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f28edc233e01866ffdb14d6c449983b81c8d8246d344a2ee2a7eebb72b2750c3
[INFO] running `Command { std: "docker" "start" "-a" "f28edc233e01866ffdb14d6c449983b81c8d8246d344a2ee2a7eebb72b2750c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking wasm-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `has_16bit_prefix`
[INFO] [stdout]   --> src/instruction_decoder.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let has_16bit_prefix = self.reader.match_value(0x66u8);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_16bit_prefix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `reset` and `is_at_end` are never used
[INFO] [stdout]   --> src/byte_reader/mod.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<'a> ByteReader<'a> {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn is_at_end(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sign_extend` is never used
[INFO] [stdout]    --> src/cpu.rs:482:4
[INFO] [stdout]     |
[INFO] [stdout] 482 | fn sign_extend<TFrom, TTo>(value: TFrom) -> TTo
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push8` and `pop8` are never used
[INFO] [stdout]   --> src/stack.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Stack {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn push8(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn pop8(&mut self) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `has_16bit_prefix`
[INFO] [stdout]   --> src/instruction_decoder.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let has_16bit_prefix = self.reader.match_value(0x66u8);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_has_16bit_prefix`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push8` and `pop8` are never used
[INFO] [stdout]   --> src/stack.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Stack {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn push8(&mut self, value: u8) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn pop8(&mut self) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `Command { std: "docker" "inspect" "f28edc233e01866ffdb14d6c449983b81c8d8246d344a2ee2a7eebb72b2750c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28edc233e01866ffdb14d6c449983b81c8d8246d344a2ee2a7eebb72b2750c3", kill_on_drop: false }`
[INFO] [stdout] f28edc233e01866ffdb14d6c449983b81c8d8246d344a2ee2a7eebb72b2750c3
