[INFO] cloning repository https://github.com/imoken1122/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/imoken1122/x86_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoken1122%2Fx86_emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoken1122%2Fx86_emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ef3cb1729f6643338c9802c36bb4f9dba444b65
[INFO] checking imoken1122/x86_emulator against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimoken1122%2Fx86_emulator" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/imoken1122/x86_emulator
[INFO] finished tweaking git repo https://github.com/imoken1122/x86_emulator
[INFO] tweaked toml for git repo https://github.com/imoken1122/x86_emulator written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/imoken1122/x86_emulator on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/imoken1122/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9364ec4a92b1b211f61de7f24b1009c06cc2f72119be6601c98cd8008e45ab3
[INFO] running `Command { std: "docker" "start" "-a" "f9364ec4a92b1b211f61de7f24b1009c06cc2f72119be6601c98cd8008e45ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9364ec4a92b1b211f61de7f24b1009c06cc2f72119be6601c98cd8008e45ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9364ec4a92b1b211f61de7f24b1009c06cc2f72119be6601c98cd8008e45ab3", kill_on_drop: false }`
[INFO] [stdout] f9364ec4a92b1b211f61de7f24b1009c06cc2f72119be6601c98cd8008e45ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04721f38cd1b36235a82f4b9f97e5457361248adde3b97675ef4aa68e8017105
[INFO] running `Command { std: "docker" "start" "-a" "04721f38cd1b36235a82f4b9f97e5457361248adde3b97675ef4aa68e8017105", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking x86emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process;
[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: `libc::*`
[INFO] [stdout]    --> src/function.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | use libc::*;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process;
[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: `libc::*`
[INFO] [stdout]    --> src/function.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | use libc::*;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]   --> src/main.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn dump_memory(emu : &mut Emulator){
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dump_memory` is never used
[INFO] [stdout]   --> src/main.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn dump_memory(emu : &mut Emulator){
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `register_name` should have an upper case name
[INFO] [stdout]   --> src/main.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const register_name:[&str;REGISTER_COUNT]= ["EAX", "ECX", "EDX", "EBX", "ESP", "EBP", "ESI", "EDI"];
[INFO] [stdout]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `REGISTER_NAME`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]   --> src/main.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn dump_memory(emu : &mut Emulator){
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `bios_to_terminal` should have an upper case name
[INFO] [stdout]  --> src/bios.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const bios_to_terminal : [u8; 8] = [30, 34, 32, 36, 31, 35, 33, 37]; 
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 5 - const bios_to_terminal : [u8; 8] = [30, 34, 32, 36, 31, 35, 33, 37]; 
[INFO] [stdout] 5 + const BIOS_TO_TERMINAL : [u8; 8] = [30, 34, 32, 36, 31, 35, 33, 37]; 
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dump_memory` is never used
[INFO] [stdout]   --> src/main.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn dump_memory(emu : &mut Emulator){
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `register_name` should have an upper case name
[INFO] [stdout]   --> src/main.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const register_name:[&str;REGISTER_COUNT]= ["EAX", "ECX", "EDX", "EBX", "ESP", "EBP", "ESI", "EDI"];
[INFO] [stdout]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `REGISTER_NAME`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `bios_to_terminal` should have an upper case name
[INFO] [stdout]  --> src/bios.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const bios_to_terminal : [u8; 8] = [30, 34, 32, 36, 31, 35, 33, 37]; 
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 5 - const bios_to_terminal : [u8; 8] = [30, 34, 32, 36, 31, 35, 33, 37]; 
[INFO] [stdout] 5 + const BIOS_TO_TERMINAL : [u8; 8] = [30, 34, 32, 36, 31, 35, 33, 37]; 
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "04721f38cd1b36235a82f4b9f97e5457361248adde3b97675ef4aa68e8017105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04721f38cd1b36235a82f4b9f97e5457361248adde3b97675ef4aa68e8017105", kill_on_drop: false }`
[INFO] [stdout] 04721f38cd1b36235a82f4b9f97e5457361248adde3b97675ef4aa68e8017105