[INFO] cloning repository https://github.com/nholstein/opentitan.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nholstein/opentitan.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnholstein%2Fopentitan.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnholstein%2Fopentitan.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e0d2281c440d2e2bcd5d4e94d9830a08266c7c7
[INFO] documenting nholstein/opentitan.rs 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%2Fnholstein%2Fopentitan.rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nholstein/opentitan.rs 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] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking git repo https://github.com/nholstein/opentitan.rs
[INFO] finished tweaking git repo https://github.com/nholstein/opentitan.rs
[INFO] tweaked toml for git repo https://github.com/nholstein/opentitan.rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/nholstein/opentitan.rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 4dd42b34c55eeea2cbec6b226f04a679c64b149f2a231804e1d620a215b6a220
[INFO] running `Command { std: "docker" "start" "-a" "4dd42b34c55eeea2cbec6b226f04a679c64b149f2a231804e1d620a215b6a220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd42b34c55eeea2cbec6b226f04a679c64b149f2a231804e1d620a215b6a220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd42b34c55eeea2cbec6b226f04a679c64b149f2a231804e1d620a215b6a220", kill_on_drop: false }`
[INFO] [stdout] 4dd42b34c55eeea2cbec6b226f04a679c64b149f2a231804e1d620a215b6a220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 39da7de38cd3d6cc50750d5745c5a8ab773a753f1674db9c6f6ee2408c4e34c1
[INFO] running `Command { std: "docker" "start" "-a" "39da7de38cd3d6cc50750d5745c5a8ab773a753f1674db9c6f6ee2408c4e34c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling riscv v0.5.4
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking earlgrey-registers v0.1.0 (/opt/rustwide/workdir/earlgrey-registers)
[INFO] [stderr]  Documenting earlgrey-registers v0.1.0 (/opt/rustwide/workdir/earlgrey-registers)
[INFO] [stderr]  Documenting earlgrey-uart v0.1.0 (/opt/rustwide/workdir/earlgrey-uart)
[INFO] [stdout] error: cannot find macro `asm` in this scope
[INFO] [stdout]   --> earlgrey-uart/src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 |             asm!("wfi"::::"volatile");
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `global_asm` in this scope
[INFO] [stdout]   --> earlgrey-uart/src/main.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | global_asm!(r#"
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider importing this macro:
[INFO] [stdout]            core::arch::global_asm
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> earlgrey-uart/src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> earlgrey-uart/src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> earlgrey-uart/src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(global_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `earlgrey-uart`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name earlgrey_uart earlgrey-uart/src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="verilator"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=49f06ee5efcb34e3 -L dependency=/opt/rustwide/target/debug/deps --extern cast=/opt/rustwide/target/debug/deps/libcast-50837a1726919648.rmeta --extern earlgrey_registers=/opt/rustwide/target/debug/deps/libearlgrey_registers-126a07b25fa866e4.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "39da7de38cd3d6cc50750d5745c5a8ab773a753f1674db9c6f6ee2408c4e34c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39da7de38cd3d6cc50750d5745c5a8ab773a753f1674db9c6f6ee2408c4e34c1", kill_on_drop: false }`
[INFO] [stdout] 39da7de38cd3d6cc50750d5745c5a8ab773a753f1674db9c6f6ee2408c4e34c1