[INFO] fetching crate efm32gg-hal 0.3.0...
[INFO] documenting efm32gg-hal-0.3.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate efm32gg-hal 0.3.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate efm32gg-hal 0.3.0 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] started tweaking crates.io crate efm32gg-hal 0.3.0
[INFO] finished tweaking crates.io crate efm32gg-hal 0.3.0
[INFO] tweaked toml for crates.io crate efm32gg-hal 0.3.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded efr32xg1 v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] b3faafb43de70ef54560c3fa5111071cd9c67bcfc9c893a2bcc01708cbb906d2
[INFO] running `Command { std: "docker" "start" "-a" "b3faafb43de70ef54560c3fa5111071cd9c67bcfc9c893a2bcc01708cbb906d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3faafb43de70ef54560c3fa5111071cd9c67bcfc9c893a2bcc01708cbb906d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3faafb43de70ef54560c3fa5111071cd9c67bcfc9c893a2bcc01708cbb906d2", kill_on_drop: false }`
[INFO] [stdout] b3faafb43de70ef54560c3fa5111071cd9c67bcfc9c893a2bcc01708cbb906d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 45084553e00d550534cec234614698c37714ae839100281c0f2f1f46c7ba448b
[INFO] running `Command { std: "docker" "start" "-a" "45084553e00d550534cec234614698c37714ae839100281c0f2f1f46c7ba448b", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]  Documenting efm32gg-hal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `registers`
[INFO] [stdout]   --> src/cmu.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use registers;
[INFO] [stdout]    |     ^^^^^^^^^ no external crate `registers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `registers`
[INFO] [stdout]  --> src/gpio.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use registers;
[INFO] [stdout]   |     ^^^^^^^^^ no external crate `registers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `efm32gg-hal`
[INFO] [stdout] error[E0432]: unresolved import `registers`
[INFO] [stdout]  --> src/timer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use registers;
[INFO] [stdout]   |     ^^^^^^^^^ no external crate `registers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name efm32gg_hal src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="unproven"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=502206139781b795 -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-7ec80ff6da63e732.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-c1d653cb9bad1398.rmeta --cap-lints=warn --crate-version 0.3.0` (exit status: 1)
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45084553e00d550534cec234614698c37714ae839100281c0f2f1f46c7ba448b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45084553e00d550534cec234614698c37714ae839100281c0f2f1f46c7ba448b", kill_on_drop: false }`
[INFO] [stdout] 45084553e00d550534cec234614698c37714ae839100281c0f2f1f46c7ba448b