[INFO] cloning repository https://github.com/allie-signet/oc2-baremetal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/allie-signet/oc2-baremetal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallie-signet%2Foc2-baremetal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallie-signet%2Foc2-baremetal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb570b915e23d08db1004170908082b968acb189
[INFO] documenting allie-signet/oc2-baremetal against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallie-signet%2Foc2-baremetal" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/allie-signet/oc2-baremetal on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-22/source/.cargo/config
[INFO] started tweaking git repo https://github.com/allie-signet/oc2-baremetal
[INFO] finished tweaking git repo https://github.com/allie-signet/oc2-baremetal
[INFO] tweaked toml for git repo https://github.com/allie-signet/oc2-baremetal written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/allie-signet/oc2-baremetal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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/allie-signet/riscv-sbi-rt.git`
[INFO] [stderr]     Updating git repository `https://github.com/rcore-os/virtio-drivers`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.3.0
[INFO] [stderr]   Downloaded az v1.2.0
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded fdt v0.1.3
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded tinybmp v0.3.1
[INFO] [stderr]   Downloaded embedded-graphics v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23a280a86688e3cb0c8f550ebf1aad8b51cd7459145878e1cb45fdb999153d29
[INFO] running `Command { std: "docker" "start" "-a" "23a280a86688e3cb0c8f550ebf1aad8b51cd7459145878e1cb45fdb999153d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23a280a86688e3cb0c8f550ebf1aad8b51cd7459145878e1cb45fdb999153d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a280a86688e3cb0c8f550ebf1aad8b51cd7459145878e1cb45fdb999153d29", kill_on_drop: false }`
[INFO] [stdout] 23a280a86688e3cb0c8f550ebf1aad8b51cd7459145878e1cb45fdb999153d29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f7517b7c6bd22dc75c7e989a8d226c1c32e7df71aae18e8b4036bed8d49ad61
[INFO] running `Command { std: "docker" "start" "-a" "9f7517b7c6bd22dc75c7e989a8d226c1c32e7df71aae18e8b4036bed8d49ad61", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling x86_64 v0.14.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.3.0
[INFO] [stderr]     Checking fdt v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking lock_api v0.4.6
[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/lock_api-0.4.6/src/lib.rs:93:34
[INFO] [stdout]    |
[INFO] [stdout] 93 | #![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nom v6.2.1
[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 `lock_api` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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_64-0.14.8/src/lib.rs:8:45
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "inline_asm", feature(asm))]
[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_64` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9f7517b7c6bd22dc75c7e989a8d226c1c32e7df71aae18e8b4036bed8d49ad61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7517b7c6bd22dc75c7e989a8d226c1c32e7df71aae18e8b4036bed8d49ad61", kill_on_drop: false }`
[INFO] [stdout] 9f7517b7c6bd22dc75c7e989a8d226c1c32e7df71aae18e8b4036bed8d49ad61