[INFO] cloning repository https://github.com/cnnblike/nrf52833dk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cnnblike/nrf52833dk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcnnblike%2Fnrf52833dk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcnnblike%2Fnrf52833dk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ab9179e00e510bec31e9ff5f5dddca8f4baf1dc
[INFO] documenting cnnblike/nrf52833dk against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcnnblike%2Fnrf52833dk" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cnnblike/nrf52833dk on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/cnnblike/nrf52833dk
[INFO] finished tweaking git repo https://github.com/cnnblike/nrf52833dk
[INFO] tweaked toml for git repo https://github.com/cnnblike/nrf52833dk written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cnnblike/nrf52833dk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.54.0" "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] 09390a9d746717a59e2c8acd876cdccc9fba394ed9305d9066241ff24e8e9fdf
[INFO] running `Command { std: "docker" "start" "-a" "09390a9d746717a59e2c8acd876cdccc9fba394ed9305d9066241ff24e8e9fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09390a9d746717a59e2c8acd876cdccc9fba394ed9305d9066241ff24e8e9fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09390a9d746717a59e2c8acd876cdccc9fba394ed9305d9066241ff24e8e9fdf", kill_on_drop: false }`
[INFO] [stdout] 09390a9d746717a59e2c8acd876cdccc9fba394ed9305d9066241ff24e8e9fdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13a8b5084a93302a2d8b479274179aae50bc3a7747f582c212bf896b1978c4d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13a8b5084a93302a2d8b479274179aae50bc3a7747f582c212bf896b1978c4d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling defmt-parser v0.2.2
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]    Compiling fixed v1.9.0
[INFO] [stderr]    Compiling nrf52833-pac v0.9.0
[INFO] [stderr]    Compiling nrf-hal-common v0.12.2 (https://github.com/nrf-rs/nrf-hal?branch=master#04579dfb)
[INFO] [stderr]    Compiling panic-probe v0.2.0
[INFO] [stderr]    Compiling nrf52833-hal v0.12.2 (https://github.com/nrf-rs/nrf-hal?branch=master#04579dfb)
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]    Compiling cortex-m-rtic v0.6.0-alpha.5 (https://github.com/rtic-rs/cortex-m-rtic?branch=master#c6765737)
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling rtic-syntax v0.5.0-alpha.4
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking heapless v0.6.1
[INFO] [stderr]     Checking cortex-m v0.7.3
[INFO] [stderr]     Checking usbd-serial v0.1.1
[INFO] [stderr]    Compiling defmt v0.2.3
[INFO] [stderr]    Compiling defmt-macros v0.2.3
[INFO] [stderr]     Checking cortex-m v0.6.7
[INFO] [stderr]     Checking nrf-usbd v0.1.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking embedded-time v0.12.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.6.0-alpha.5 (https://github.com/rtic-rs/cortex-m-rtic?branch=master#c6765737)
[INFO] [stderr]     Checking rtic-monotonic v0.1.0-alpha.2
[INFO] [stderr]     Checking defmt-rtt v0.2.0
[INFO] [stderr]  Documenting nrf52833dk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/main.rs:163:1
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the lang item is first defined in crate `std`.
[INFO] [stdout]     = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib
[INFO] [stdout]     = note: second definition in the local crate (`nrf52833dk`)
[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 E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `nrf52833dk`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name nrf52833dk src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="defmt-default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-2619ad233c289fa6.rmeta --extern rtic=/opt/rustwide/target/debug/deps/librtic-4f33d80a4a05be62.rmeta --extern defmt=/opt/rustwide/target/debug/deps/libdefmt-e9c567c09e915644.rmeta --extern defmt_rtt=/opt/rustwide/target/debug/deps/libdefmt_rtt-0c7a02e64b1cf88a.rmeta --extern nrf52833_hal=/opt/rustwide/target/debug/deps/libnrf52833_hal-5473d9d9377b5979.rmeta --extern panic_probe=/opt/rustwide/target/debug/deps/libpanic_probe-5fdff4637ab736d6.rmeta --extern usb_device=/opt/rustwide/target/debug/deps/libusb_device-3403947750eefed4.rmeta --extern usbd_serial=/opt/rustwide/target/debug/deps/libusbd_serial-737786b16c6ddc11.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "13a8b5084a93302a2d8b479274179aae50bc3a7747f582c212bf896b1978c4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a8b5084a93302a2d8b479274179aae50bc3a7747f582c212bf896b1978c4d4", kill_on_drop: false }`
[INFO] [stdout] 13a8b5084a93302a2d8b479274179aae50bc3a7747f582c212bf896b1978c4d4
