[INFO] cloning repository https://github.com/A1-exe/blog_hv_kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/A1-exe/blog_hv_kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA1-exe%2Fblog_hv_kernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA1-exe%2Fblog_hv_kernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c83161e47d2b029a49a50bb302aa022330109f2b
[INFO] testing A1-exe/blog_hv_kernel against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FA1-exe%2Fblog_hv_kernel" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/A1-exe/blog_hv_kernel
[INFO] finished tweaking git repo https://github.com/A1-exe/blog_hv_kernel
[INFO] tweaked toml for git repo https://github.com/A1-exe/blog_hv_kernel written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/A1-exe/blog_hv_kernel on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/A1-exe/blog_hv_kernel 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2
[INFO] [stderr]       Adding bootloader-boot-config v0.11.12
[INFO] [stderr]       Adding bootloader-x86_64-common v0.11.12
[INFO] [stderr]       Adding conquer-once v0.3.2
[INFO] [stderr]       Adding conquer-util v0.3.0
[INFO] [stderr]       Adding lazy_static v1.5.0
[INFO] [stderr]       Adding lock_api v0.4.14
[INFO] [stderr]       Adding log v0.4.28
[INFO] [stderr]       Adding noto-sans-mono-bitmap v0.2.0
[INFO] [stderr]       Adding proc-macro2 v1.0.101
[INFO] [stderr]       Adding quote v1.0.41
[INFO] [stderr]       Adding rand v0.8.5
[INFO] [stderr]       Adding rand_core v0.6.4
[INFO] [stderr]       Adding rand_hc v0.3.2
[INFO] [stderr]       Adding raw-cpuid v10.7.0
[INFO] [stderr]       Adding scopeguard v1.2.0
[INFO] [stderr]       Adding serde v1.0.228
[INFO] [stderr]       Adding serde_core v1.0.228
[INFO] [stderr]       Adding serde_derive v1.0.228
[INFO] [stderr]       Adding spin v0.9.8
[INFO] [stderr]       Adding spin v0.10.0
[INFO] [stderr]       Adding spinning_top v0.2.5
[INFO] [stderr]       Adding syn v2.0.106
[INFO] [stderr]       Adding uart_16550 v0.3.2
[INFO] [stderr]       Adding uart_16550 v0.4.0
[INFO] [stderr]       Adding unicode-ident v1.0.19
[INFO] [stderr]       Adding usize_conversions v0.2.0
[INFO] [stderr]       Adding x86 v0.52.0
[INFO] [stderr]       Adding xmas-elf v0.8.0
[INFO] [stderr]       Adding zero v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92b9a83f7124ca1bc52f2d082a4b92c03a9f20b19f9c74e8e5306d30d39e3f56
[INFO] running `Command { std: "docker" "start" "-a" "92b9a83f7124ca1bc52f2d082a4b92c03a9f20b19f9c74e8e5306d30d39e3f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92b9a83f7124ca1bc52f2d082a4b92c03a9f20b19f9c74e8e5306d30d39e3f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92b9a83f7124ca1bc52f2d082a4b92c03a9f20b19f9c74e8e5306d30d39e3f56", kill_on_drop: false }`
[INFO] [stdout] 92b9a83f7124ca1bc52f2d082a4b92c03a9f20b19f9c74e8e5306d30d39e3f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd6bc17add9ca53ba81225756a11249b47225b4454df6854ced09ccf13c3789e
[INFO] running `Command { std: "docker" "start" "-a" "bd6bc17add9ca53ba81225756a11249b47225b4454df6854ced09ccf13c3789e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bootloader_api v0.11.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling zero v0.1.3
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling noto-sans-mono-bitmap v0.2.0
[INFO] [stderr]    Compiling xmas-elf v0.8.0
[INFO] [stderr]    Compiling conquer-once v0.3.2
[INFO] [stderr]    Compiling usize_conversions v0.2.0
[INFO] [stderr]    Compiling x86_64 v0.15.2
[INFO] [stderr]    Compiling spinning_top v0.2.5
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rand_hc v0.3.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling uart_16550 v0.3.2
[INFO] [stderr]    Compiling uart_16550 v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling bootloader-boot-config v0.11.12
[INFO] [stderr]    Compiling bootloader-x86_64-common v0.11.12
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::arch::asm`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use core::arch::asm;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kernel` (bin "kernel") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "bd6bc17add9ca53ba81225756a11249b47225b4454df6854ced09ccf13c3789e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6bc17add9ca53ba81225756a11249b47225b4454df6854ced09ccf13c3789e", kill_on_drop: false }`
[INFO] [stdout] bd6bc17add9ca53ba81225756a11249b47225b4454df6854ced09ccf13c3789e
