[INFO] cloning repository https://github.com/junps/x86emulator_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/junps/x86emulator_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunps%2Fx86emulator_in_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunps%2Fx86emulator_in_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7eed32aa08d42a1c33954a2091ce150791857a44 [INFO] checking junps/x86emulator_in_rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunps%2Fx86emulator_in_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/junps/x86emulator_in_rust [INFO] finished tweaking git repo https://github.com/junps/x86emulator_in_rust [INFO] tweaked toml for git repo https://github.com/junps/x86emulator_in_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/junps/x86emulator_in_rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/junps/x86emulator_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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec4dcb3982ac27284f0e06868d17ef1e6a179ee47d2f1a53dd76a2725f75e5f7 [INFO] running `Command { std: "docker" "start" "-a" "ec4dcb3982ac27284f0e06868d17ef1e6a179ee47d2f1a53dd76a2725f75e5f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec4dcb3982ac27284f0e06868d17ef1e6a179ee47d2f1a53dd76a2725f75e5f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec4dcb3982ac27284f0e06868d17ef1e6a179ee47d2f1a53dd76a2725f75e5f7", kill_on_drop: false }` [INFO] [stdout] ec4dcb3982ac27284f0e06868d17ef1e6a179ee47d2f1a53dd76a2725f75e5f7 [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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 384862c1da236106bea4c9c9f5f21069ad8a11db392c30eb3d9883fabad5d962 [INFO] running `Command { std: "docker" "start" "-a" "384862c1da236106bea4c9c9f5f21069ad8a11db392c30eb3d9883fabad5d962", kill_on_drop: false }` [INFO] [stderr] Checking x86emulator_in_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> src/modrm.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `modrm::*` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use modrm::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> src/modrm.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `modrm::*` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use modrm::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/emulator.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Register { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 6 | EAX, [INFO] [stdout] | ^^^ [INFO] [stdout] 7 | ECX, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | EDX, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | EBX, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | ESP, [INFO] [stdout] 11 | EBP, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | ESI, [INFO] [stdout] | ^^^ [INFO] [stdout] 13 | EDI, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Register` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `eflags` is never read [INFO] [stdout] --> src/emulator.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Emulator { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 20 | pub registers: [u32; Register::RegistersCount as usize], [INFO] [stdout] 21 | pub eflags: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Emulator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:71:33 [INFO] [stdout] | [INFO] [stdout] 71 | self.get_register32(modrm.rm.try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:79:29 [INFO] [stdout] | [INFO] [stdout] 79 | self.get_register32(modrm.reg_index.try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:87:29 [INFO] [stdout] | [INFO] [stdout] 87 | self.set_register32(modrm.reg_index.try_into().unwrap(), value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.memory[address].try_into().unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:108:45 [INFO] [stdout] | [INFO] [stdout] 108 | self.set_memory8(address + idx, (value >> (idx * 8)).try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:120:40 [INFO] [stdout] | [INFO] [stdout] 120 | return self.get_register32(modrm.rm.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:126:41 [INFO] [stdout] | [INFO] [stdout] 126 | return (self.get_register32(modrm.rm.try_into().unwrap()) as i32 + modrm.disp8 as i32) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:133:40 [INFO] [stdout] | [INFO] [stdout] 133 | return self.get_register32(modrm.rm.try_into().unwrap()) + modrm.disp32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:141:33 [INFO] [stdout] | [INFO] [stdout] 141 | self.set_register32(modrm.rm.try_into().unwrap(), value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/emulator.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Register { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 6 | EAX, [INFO] [stdout] | ^^^ [INFO] [stdout] 7 | ECX, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | EDX, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | EBX, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | ESP, [INFO] [stdout] 11 | EBP, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | ESI, [INFO] [stdout] | ^^^ [INFO] [stdout] 13 | EDI, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Register` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `eflags` is never read [INFO] [stdout] --> src/emulator.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Emulator { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 20 | pub registers: [u32; Register::RegistersCount as usize], [INFO] [stdout] 21 | pub eflags: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Emulator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:71:33 [INFO] [stdout] | [INFO] [stdout] 71 | self.get_register32(modrm.rm.try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:79:29 [INFO] [stdout] | [INFO] [stdout] 79 | self.get_register32(modrm.reg_index.try_into().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:87:29 [INFO] [stdout] | [INFO] [stdout] 87 | self.set_register32(modrm.reg_index.try_into().unwrap(), value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | self.memory[address].try_into().unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:108:45 [INFO] [stdout] | [INFO] [stdout] 108 | self.set_memory8(address + idx, (value >> (idx * 8)).try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:120:40 [INFO] [stdout] | [INFO] [stdout] 120 | return self.get_register32(modrm.rm.try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:126:41 [INFO] [stdout] | [INFO] [stdout] 126 | return (self.get_register32(modrm.rm.try_into().unwrap()) as i32 + modrm.disp8 as i32) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:133:40 [INFO] [stdout] | [INFO] [stdout] 133 | return self.get_register32(modrm.rm.try_into().unwrap()) + modrm.disp32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/emulator.rs:141:33 [INFO] [stdout] | [INFO] [stdout] 141 | self.set_register32(modrm.rm.try_into().unwrap(), value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `x86emulator_in_rust` (bin "x86emulator_in_rust") due to 9 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `x86emulator_in_rust` (bin "x86emulator_in_rust" test) due to 9 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "384862c1da236106bea4c9c9f5f21069ad8a11db392c30eb3d9883fabad5d962", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "384862c1da236106bea4c9c9f5f21069ad8a11db392c30eb3d9883fabad5d962", kill_on_drop: false }` [INFO] [stdout] 384862c1da236106bea4c9c9f5f21069ad8a11db392c30eb3d9883fabad5d962