[INFO] cloning repository https://github.com/michaelGuo1204/OS_Dev
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelGuo1204/OS_Dev" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmichaelGuo1204%2FOS_Dev", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmichaelGuo1204%2FOS_Dev'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b26ca5253990efd6e6dce89f81cb26b8b8e0ad28
[INFO] checking michaelGuo1204/OS_Dev against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmichaelGuo1204%2FOS_Dev" "/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/michaelGuo1204/OS_Dev on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/michaelGuo1204/OS_Dev
[INFO] finished tweaking git repo https://github.com/michaelGuo1204/OS_Dev
[INFO] tweaked toml for git repo https://github.com/michaelGuo1204/OS_Dev written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelGuo1204/OS_Dev 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tock-registers v0.7.0
[INFO] [stderr]   Downloaded cortex-a v7.4.0
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1737ba541ca00c7094f43c292a37ddd5ddb5211e406699abf2fb1ce610209124
[INFO] running `Command { std: "docker" "start" "-a" "1737ba541ca00c7094f43c292a37ddd5ddb5211e406699abf2fb1ce610209124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1737ba541ca00c7094f43c292a37ddd5ddb5211e406699abf2fb1ce610209124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1737ba541ca00c7094f43c292a37ddd5ddb5211e406699abf2fb1ce610209124", kill_on_drop: false }`
[INFO] [stdout] 1737ba541ca00c7094f43c292a37ddd5ddb5211e406699abf2fb1ce610209124
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae0630782efa81c4160516f1dd5049a5901ba0c27c74a744ed90da289b359245
[INFO] running `Command { std: "docker" "start" "-a" "ae0630782efa81c4160516f1dd5049a5901ba0c27c74a744ed90da289b359245", kill_on_drop: false }`
[INFO] [stderr]     Checking osdev v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `arch_cpu`
[INFO] [stdout]  --> src/cpu.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use arch_cpu::wait;
[INFO] [stdout]   |         ^^^^^^^^ use of unresolved module or unlinked crate `arch_cpu`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `arch_cpu`, use `cargo add arch_cpu` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `arch_cpu`
[INFO] [stdout]  --> src/cpu.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use arch_cpu::wait;
[INFO] [stdout]   |         ^^^^^^^^ use of unresolved module or unlinked crate `arch_cpu`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `arch_cpu`, use `cargo add arch_cpu` to add it to your `Cargo.toml`
[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] [stdout] warning: the feature `asm_const` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm_const)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> src/panicwait.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | / fn panic(_info: &PanicInfo)-> !{
[INFO] [stdout] 6 | |     cpu::wait()
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]   = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/75530e9f72a1990ed2305e16fd51d02f47048f12/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-168b2af3cdbd9a8b.rlib
[INFO] [stdout]   = note: second definition in the local crate (`kernel`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `osdev` (bin "kernel" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `osdev` (bin "kernel") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ae0630782efa81c4160516f1dd5049a5901ba0c27c74a744ed90da289b359245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0630782efa81c4160516f1dd5049a5901ba0c27c74a744ed90da289b359245", kill_on_drop: false }`
[INFO] [stdout] ae0630782efa81c4160516f1dd5049a5901ba0c27c74a744ed90da289b359245