[INFO] fetching crate stm32f3xx-hal-v2 0.6.0...
[INFO] documenting stm32f3xx-hal-v2-0.6.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate stm32f3xx-hal-v2 0.6.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate stm32f3xx-hal-v2 0.6.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-38/source/.cargo/config.toml
[INFO] started tweaking crates.io crate stm32f3xx-hal-v2 0.6.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate stm32f3xx-hal-v2 0.6.0
[INFO] tweaked toml for crates.io crate stm32f3xx-hal-v2 0.6.0 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate stm32f3xx-hal-v2 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmt-macros v0.1.1
[INFO] [stderr]   Downloaded panic-probe v0.1.0
[INFO] [stderr]   Downloaded panic-semihosting v0.5.4
[INFO] [stderr]   Downloaded defmt-parser v0.1.0
[INFO] [stderr]   Downloaded defmt v0.1.3
[INFO] [stderr]   Downloaded semver-parser v0.10.1
[INFO] [stderr]   Downloaded defmt-rtt v0.1.0
[INFO] [stderr]   Downloaded stm32f3 v0.12.1
[INFO] [stderr]   Downloaded defmt-test-macros v0.1.1
[INFO] [stderr]   Downloaded defmt-test v0.1.1
[INFO] [stderr]   Downloaded embedded-hal-can v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edd5892ad5979f7fe18090554409d3a6d13256bb2d1f092ef8b1dfa503b8e955
[INFO] running `Command { std: "docker" "start" "-a" "edd5892ad5979f7fe18090554409d3a6d13256bb2d1f092ef8b1dfa503b8e955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edd5892ad5979f7fe18090554409d3a6d13256bb2d1f092ef8b1dfa503b8e955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd5892ad5979f7fe18090554409d3a6d13256bb2d1f092ef8b1dfa503b8e955", kill_on_drop: false }`
[INFO] [stdout] edd5892ad5979f7fe18090554409d3a6d13256bb2d1f092ef8b1dfa503b8e955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c89778c024d7b46571cdcc73e30dbc70099fb0da2c50adfb0997a21ff7d80af1
[INFO] running `Command { std: "docker" "start" "-a" "c89778c024d7b46571cdcc73e30dbc70099fb0da2c50adfb0997a21ff7d80af1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling cortex-m v0.6.4
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling stm32f3 v0.12.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling paste v1.0.2
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking rtcc v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]  Documenting stm32f3xx-hal-v2 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: This crate requires you to specify your target chip as a feature.
[INFO] [stdout] 
[INFO] [stdout]     Please select one of the following
[INFO] [stdout] 
[INFO] [stdout]     (Note: `x` denotes any character in [a-z])
[INFO] [stdout]     *   stm32f301
[INFO] [stdout]     *   stm32f318
[INFO] [stdout]     *   stm32f302xb
[INFO] [stdout]     *   stm32f302xc
[INFO] [stdout]     *   stm32f302xd
[INFO] [stdout]     *   stm32f302xe
[INFO] [stdout]     *   stm32f302x6
[INFO] [stdout]     *   stm32f302x8
[INFO] [stdout]     *   stm32f303xb
[INFO] [stdout]     *   stm32f303xc
[INFO] [stdout]     *   stm32f303xd
[INFO] [stdout]     *   stm32f303xe
[INFO] [stdout]     *   stm32f303x6
[INFO] [stdout]     *   stm32f303x8
[INFO] [stdout]     *   stm32f373
[INFO] [stdout]     *   stm32f378
[INFO] [stdout]     *   stm32f334
[INFO] [stdout]     *   stm32f328
[INFO] [stdout]     *   stm32f358
[INFO] [stdout]     *   stm32f398
[INFO] [stdout] 
[INFO] [stdout]     Example: The STM32F3Discovery board has a STM32F303VCT6 chip.
[INFO] [stdout]     So you want to expand your call to `cargo` with `--features stm32f303xc`.
[INFO] [stdout] 
[INFO] [stdout]     For more information, see README -> Selecting the right chip.
[INFO] [stdout]     
[INFO] [stdout]   --> src/lib.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | / compile_error!(
[INFO] [stdout] 65 | |     "This crate requires you to specify your target chip as a feature.
[INFO] [stdout] 66 | |
[INFO] [stdout] 67 | |     Please select one of the following
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |     "
[INFO] [stdout] 96 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `stm32f3xx-hal-v2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name stm32f3xx_hal_v2 src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="unproven"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-00e2ae0d8a59dd2e.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-ec12c6b22d57d4fe.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-638aac809caa451c.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-a09d5631fa57fbd4.rmeta --extern doc_comment=/opt/rustwide/target/debug/deps/libdoc_comment-b4ccb3e115e916e2.rmeta --extern embedded_dma=/opt/rustwide/target/debug/deps/libembedded_dma-536e14985295047c.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-e0c60b26fcb64f91.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-375046be5f99a48b.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-88191f352d9675fe.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-6e49b91f82263a42.so --extern rtcc=/opt/rustwide/target/debug/deps/librtcc-f2b8266408d0559f.rmeta --extern stm32f3=/opt/rustwide/target/debug/deps/libstm32f3-edf32ba5fcbf414f.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-1c8b6a1c4e6b8207.rmeta --cap-lints=warn --crate-version 0.6.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c89778c024d7b46571cdcc73e30dbc70099fb0da2c50adfb0997a21ff7d80af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89778c024d7b46571cdcc73e30dbc70099fb0da2c50adfb0997a21ff7d80af1", kill_on_drop: false }`
[INFO] [stdout] c89778c024d7b46571cdcc73e30dbc70099fb0da2c50adfb0997a21ff7d80af1
