[INFO] cloning repository https://github.com/Baidicoot/ModRiscVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Baidicoot/ModRiscVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaidicoot%2FModRiscVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaidicoot%2FModRiscVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd742acb4986ff47d42427ea9f1c95e4f3063e9f
[INFO] documenting Baidicoot/ModRiscVM against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaidicoot%2FModRiscVM" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Baidicoot/ModRiscVM on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Baidicoot/ModRiscVM
[INFO] finished tweaking git repo https://github.com/Baidicoot/ModRiscVM
[INFO] tweaked toml for git repo https://github.com/Baidicoot/ModRiscVM written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Baidicoot/ModRiscVM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ed4d8c0f7bdfccdbfca1b311d5e108cdea0e935a3ac8bf61cd24f53e0503b4a
[INFO] running `Command { std: "docker" "start" "-a" "9ed4d8c0f7bdfccdbfca1b311d5e108cdea0e935a3ac8bf61cd24f53e0503b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ed4d8c0f7bdfccdbfca1b311d5e108cdea0e935a3ac8bf61cd24f53e0503b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed4d8c0f7bdfccdbfca1b311d5e108cdea0e935a3ac8bf61cd24f53e0503b4a", kill_on_drop: false }`
[INFO] [stdout] 9ed4d8c0f7bdfccdbfca1b311d5e108cdea0e935a3ac8bf61cd24f53e0503b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35bf71968c1ef66403546dfed1f30d070b672ecf056c056e04a312d31d7db337
[INFO] running `Command { std: "docker" "start" "-a" "35bf71968c1ef66403546dfed1f30d070b672ecf056c056e04a312d31d7db337", kill_on_drop: false }`
[INFO] [stderr]     Checking modVM v0.3.0
[INFO] [stderr]  Documenting RISC_16_bit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_to_from_bytes)]
[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 document `RISC_16_bit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name RISC_16_bit src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0104c28cabe8077a -L dependency=/opt/rustwide/target/debug/deps --extern modVM=/opt/rustwide/target/debug/deps/libmodVM-5b721cf1f6624e1f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "35bf71968c1ef66403546dfed1f30d070b672ecf056c056e04a312d31d7db337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35bf71968c1ef66403546dfed1f30d070b672ecf056c056e04a312d31d7db337", kill_on_drop: false }`
[INFO] [stdout] 35bf71968c1ef66403546dfed1f30d070b672ecf056c056e04a312d31d7db337