[INFO] cloning repository https://github.com/MrPyva/amethystOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrPyva/amethystOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrPyva%2FamethystOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrPyva%2FamethystOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cfad6c4a82e648dc03fef7170f0c13cf20fe7fa
[INFO] checking MrPyva/amethystOS/6cfad6c4a82e648dc03fef7170f0c13cf20fe7fa against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrPyva%2FamethystOS" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MrPyva/amethystOS on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/MrPyva/amethystOS
[INFO] finished tweaking git repo https://github.com/MrPyva/amethystOS
[INFO] tweaked toml for git repo https://github.com/MrPyva/amethystOS written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MrPyva/amethystOS 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x86_64 v0.14.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d0ee7cb1d6a04c6755d915e444cf78aaf93c3c3854c891f3bb0fc303077f150
[INFO] running `Command { std: "docker" "start" "-a" "5d0ee7cb1d6a04c6755d915e444cf78aaf93c3c3854c891f3bb0fc303077f150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d0ee7cb1d6a04c6755d915e444cf78aaf93c3c3854c891f3bb0fc303077f150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0ee7cb1d6a04c6755d915e444cf78aaf93c3c3854c891f3bb0fc303077f150", kill_on_drop: false }`
[INFO] [stdout] 5d0ee7cb1d6a04c6755d915e444cf78aaf93c3c3854c891f3bb0fc303077f150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cc6a89c18e53ec4da119f8f6369b9c1bef91b30b8543b4c61be6ad69e455c49
[INFO] running `Command { std: "docker" "start" "-a" "2cc6a89c18e53ec4da119f8f6369b9c1bef91b30b8543b4c61be6ad69e455c49", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.14.8
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling bootloader v0.9.22
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking pic8259 v0.10.2
[INFO] [stderr]     Checking amethystOS v0.1.0 (/opt/rustwide/workdir)
[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] error[E0603]: function `get` is private
[INFO] [stdout]   --> src/main.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     vga_buffer::get().debug("");
[INFO] [stdout]    |                 ^^^ private function
[INFO] [stdout]    |
[INFO] [stdout] note: the function `get` is defined here
[INFO] [stdout]   --> src/vga_buffer.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn get<'a>() -> SpinlockMutexGuard<'a, VGAWriter> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `amethystOS` (bin "amethystOS") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethystOS` (bin "amethystOS" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2cc6a89c18e53ec4da119f8f6369b9c1bef91b30b8543b4c61be6ad69e455c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc6a89c18e53ec4da119f8f6369b9c1bef91b30b8543b4c61be6ad69e455c49", kill_on_drop: false }`
[INFO] [stdout] 2cc6a89c18e53ec4da119f8f6369b9c1bef91b30b8543b4c61be6ad69e455c49