[INFO] cloning repository https://github.com/cjm571/microbit_sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjm571/microbit_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjm571%2Fmicrobit_sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjm571%2Fmicrobit_sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a26f85fb2d14c7b3b8138b842b1cf1f533a32764
[INFO] documenting cjm571/microbit_sandbox against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjm571%2Fmicrobit_sandbox" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjm571/microbit_sandbox 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] removed /workspace/builds/worker-39/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/cjm571/microbit_sandbox
[INFO] finished tweaking git repo https://github.com/cjm571/microbit_sandbox
[INFO] tweaked toml for git repo https://github.com/cjm571/microbit_sandbox written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/cjm571/microbit_sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 microbit-v2 v0.12.0
[INFO] [stderr]   Downloaded microbit-common v0.12.0
[INFO] [stderr]   Downloaded tiny-led-matrix v1.0.2
[INFO] [stderr]   Downloaded nrf-usbd v0.1.1
[INFO] [stderr]   Downloaded nrf52833-hal v0.14.1
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded panic-rtt-target v0.1.2
[INFO] [stderr]   Downloaded embedded-dma v0.2.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.15.0
[INFO] [stderr]   Downloaded rtt-target v0.3.1
[INFO] [stderr]   Downloaded nrf-hal-common v0.14.1
[INFO] [stderr]   Downloaded nrf52833-pac v0.11.0
[INFO] [stderr]   Downloaded nrf52833-pac v0.10.1
[INFO] [stderr]   Downloaded nrf52833-hal v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 17ad3688aa3c2748ef33dde1275def04a929554b42d3936005c3edc0de88fdc3
[INFO] running `Command { std: "docker" "start" "-a" "17ad3688aa3c2748ef33dde1275def04a929554b42d3936005c3edc0de88fdc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17ad3688aa3c2748ef33dde1275def04a929554b42d3936005c3edc0de88fdc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ad3688aa3c2748ef33dde1275def04a929554b42d3936005c3edc0de88fdc3", kill_on_drop: false }`
[INFO] [stdout] 17ad3688aa3c2748ef33dde1275def04a929554b42d3936005c3edc0de88fdc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] db24d90728c3b9e68605fe900be4116779963b53434d98c252dd5ad412a24e62
[INFO] running `Command { std: "docker" "start" "-a" "db24d90728c3b9e68605fe900be4116779963b53434d98c252dd5ad412a24e62", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling critical-section v0.2.7
[INFO] [stderr]    Compiling fixed v1.15.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking usb-device v0.2.8
[INFO] [stderr]    Compiling nrf52833-pac v0.10.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling nrf-hal-common v0.14.1
[INFO] [stderr]    Compiling nrf52833-pac v0.11.0
[INFO] [stderr]    Compiling nrf52833-hal v0.14.1
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]    Compiling nrf-hal-common v0.15.0
[INFO] [stderr]     Checking embedded-storage v0.3.0
[INFO] [stderr]     Checking tiny-led-matrix v1.0.2
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling nrf52833-hal v0.15.0
[INFO] [stderr]    Compiling micro-snip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nrf-usbd v0.1.1
[INFO] [stderr]     Checking rtt-target v0.3.1
[INFO] [stderr]     Checking panic-rtt-target v0.1.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr] error: could not compile `nrf52833-pac`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nrf52833_pac --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nrf52833-pac-0.11.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="cortex-m-rt"' --cfg 'feature="rt"' -C metadata=d5b7eee95955262f -C extra-filename=-d5b7eee95955262f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-a3ccbf575cfad895.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-db3f399f3f8fbba7.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-87632ea7aa68e3c8.rmeta --cap-lints allow -L /opt/rustwide/target/debug/build/nrf52833-pac-8a1c88803d9c86b7/out -L /opt/rustwide/target/debug/build/cortex-m-rt-744338e7a6308075/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "db24d90728c3b9e68605fe900be4116779963b53434d98c252dd5ad412a24e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db24d90728c3b9e68605fe900be4116779963b53434d98c252dd5ad412a24e62", kill_on_drop: false }`
[INFO] [stdout] db24d90728c3b9e68605fe900be4116779963b53434d98c252dd5ad412a24e62