[INFO] cloning repository https://github.com/Amjad50/Kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Amjad50/Kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmjad50%2FKernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmjad50%2FKernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c21857ee21a29db07b31642fb15be625be05e15
[INFO] documenting Amjad50/Kernel against 1.91.0 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmjad50%2FKernel" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Amjad50/Kernel
[INFO] finished tweaking git repo https://github.com/Amjad50/Kernel
[INFO] tweaked toml for git repo https://github.com/Amjad50/Kernel written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Amjad50/Kernel on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Amjad50/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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Amjad50/jpeg-decoder`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/tokio-rs/tracing`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-std-workspace-core v1.0.1
[INFO] [stderr]   Downloaded qapi v0.15.0
[INFO] [stderr]   Downloaded qapi-spec v0.3.2
[INFO] [stderr]   Downloaded xxhash-rust v0.8.15
[INFO] [stderr]   Downloaded embedded-graphics-core v0.4.0
[INFO] [stderr]   Downloaded rustc-std-workspace-alloc v1.0.1
[INFO] [stderr]   Downloaded qapi-parser v0.11.0
[INFO] [stderr]   Downloaded qapi-codegen v0.11.3
[INFO] [stderr]   Downloaded unwinding v0.2.7
[INFO] [stderr]   Downloaded blinkcast v0.2.0
[INFO] [stderr]   Downloaded macro_rules_attribute v0.2.2
[INFO] [stderr]   Downloaded macho-unwind-info v0.5.0
[INFO] [stderr]   Downloaded generator v0.8.5
[INFO] [stderr]   Downloaded camino v1.1.10
[INFO] [stderr]   Downloaded framehop v0.14.0
[INFO] [stderr]   Downloaded elf v0.8.0
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.2.2
[INFO] [stderr]   Downloaded pe-unwind-info v0.4.0
[INFO] [stderr]   Downloaded qapi-qga v0.13.0
[INFO] [stderr]   Downloaded qapi-qmp v0.15.0
[INFO] [stderr]   Downloaded micromath v2.1.0
[INFO] [stderr]   Downloaded compiler_builtins v0.1.160
[INFO] [stderr]   Downloaded gimli v0.32.0
[INFO] [stderr]   Downloaded embedded-graphics v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56909e5373532f066684468b1ff9b138fdac62e4ec05010bbc2e0bb9523d6316
[INFO] running `Command { std: "docker" "start" "-a" "56909e5373532f066684468b1ff9b138fdac62e4ec05010bbc2e0bb9523d6316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56909e5373532f066684468b1ff9b138fdac62e4ec05010bbc2e0bb9523d6316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56909e5373532f066684468b1ff9b138fdac62e4ec05010bbc2e0bb9523d6316", kill_on_drop: false }`
[INFO] [stdout] 56909e5373532f066684468b1ff9b138fdac62e4ec05010bbc2e0bb9523d6316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2643a1a4f6da0dcdd68a613700da86d13c424a1276ab01bcf1aee88bd24db4e0
[INFO] running `Command { std: "docker" "start" "-a" "2643a1a4f6da0dcdd68a613700da86d13c424a1276ab01bcf1aee88bd24db4e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking gimli v0.32.0
[INFO] [stderr]     Checking tracing-core v0.2.0 (https://github.com/tokio-rs/tracing?branch=v0.2.x#134f9371)
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]    Compiling kernel v0.1.0 (/opt/rustwide/workdir/kernel)
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.2
[INFO] [stderr]     Checking emerald_kernel_user_link v0.2.13 (/opt/rustwide/workdir/libraries/kernel_user_link)
[INFO] [stderr]     Checking increasing_heap_allocator v0.1.3 (/opt/rustwide/workdir/libraries/increasing_heap_allocator)
[INFO] [stderr]     Checking blinkcast v0.2.0
[INFO] [stderr]     Checking tracing v0.2.0 (https://github.com/tokio-rs/tracing?branch=v0.2.x#134f9371)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking macro_rules_attribute v0.2.2
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]     Checking unwinding v0.2.7
[INFO] [stderr]     Checking framehop v0.14.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unwinding-0.2.7/src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     feature(lang_items)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unwinding-0.2.7/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     feature(core_intrinsics)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unwinding` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2643a1a4f6da0dcdd68a613700da86d13c424a1276ab01bcf1aee88bd24db4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2643a1a4f6da0dcdd68a613700da86d13c424a1276ab01bcf1aee88bd24db4e0", kill_on_drop: false }`
[INFO] [stdout] 2643a1a4f6da0dcdd68a613700da86d13c424a1276ab01bcf1aee88bd24db4e0
