[INFO] cloning repository https://github.com/paraexec/ParaOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paraexec/ParaOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparaexec%2FParaOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparaexec%2FParaOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5cbcbeb9948cc0da90402d8419a843b520def49
[INFO] documenting paraexec/ParaOS against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparaexec%2FParaOS" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paraexec/ParaOS on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paraexec/ParaOS
[INFO] finished tweaking git repo https://github.com/paraexec/ParaOS
[INFO] tweaked toml for git repo https://github.com/paraexec/ParaOS written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/paraexec/ParaOS 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wast v39.0.0
[INFO] [stderr]   Downloaded raw-cpuid v10.2.0
[INFO] [stderr]   Downloaded wasmparser-nostd v0.83.0
[INFO] [stderr]   Downloaded wat v1.0.41
[INFO] [stderr]   Downloaded buddy_system_allocator v0.8.0
[INFO] [stderr]   Downloaded spin v0.7.1
[INFO] [stderr]   Downloaded iced-x86 v1.17.0
[INFO] [stderr]   Downloaded unicorn-engine v2.0.0-rc7
[INFO] [stderr]   Downloaded x86 v0.46.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95af1e652c2b902a7fa3d2edb775e2e234b87d3ef7d18b9912895eb2ea9231fb
[INFO] running `Command { std: "docker" "start" "-a" "95af1e652c2b902a7fa3d2edb775e2e234b87d3ef7d18b9912895eb2ea9231fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95af1e652c2b902a7fa3d2edb775e2e234b87d3ef7d18b9912895eb2ea9231fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95af1e652c2b902a7fa3d2edb775e2e234b87d3ef7d18b9912895eb2ea9231fb", kill_on_drop: false }`
[INFO] [stdout] 95af1e652c2b902a7fa3d2edb775e2e234b87d3ef7d18b9912895eb2ea9231fb
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46b205f8b176565f8057bed8136b523108c14167f5c92ed03d2fc371a179af00
[INFO] running `Command { std: "docker" "start" "-a" "46b205f8b176565f8057bed8136b523108c14167f5c92ed03d2fc371a179af00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking wasmparser-nostd v0.83.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling x86 v0.46.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking raw-cpuid v10.2.0
[INFO] [stderr]     Checking spin v0.7.1
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling paraos v0.1.0 (/opt/rustwide/workdir/paraos)
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking buddy_system_allocator v0.8.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking wast v39.0.0
[INFO] [stderr]    Compiling unicorn-engine v2.0.0-rc7
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking hashbrown v0.12.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86-0.46.0/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "46b205f8b176565f8057bed8136b523108c14167f5c92ed03d2fc371a179af00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b205f8b176565f8057bed8136b523108c14167f5c92ed03d2fc371a179af00", kill_on_drop: false }`
[INFO] [stdout] 46b205f8b176565f8057bed8136b523108c14167f5c92ed03d2fc371a179af00
