[INFO] fetching crate groundhog-nrf52 0.5.0...
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] crate groundhog-nrf52 0.5.0 is already in cache
[INFO] checking groundhog-nrf52-0.5.0 against try#7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e for pr-99880
[INFO] extracting crate groundhog-nrf52 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate groundhog-nrf52 0.5.0 on toolchain 7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate groundhog-nrf52 0.5.0
[INFO] finished tweaking crates.io crate groundhog-nrf52 0.5.0
[INFO] tweaked toml for crates.io crate groundhog-nrf52 0.5.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "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" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a509e1dd0ddcc555a3212c11b5b94e6d54fcd7d8d1c13f413bc5444bcc9f192
[INFO] running `Command { std: "docker" "start" "-a" "3a509e1dd0ddcc555a3212c11b5b94e6d54fcd7d8d1c13f413bc5444bcc9f192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a509e1dd0ddcc555a3212c11b5b94e6d54fcd7d8d1c13f413bc5444bcc9f192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a509e1dd0ddcc555a3212c11b5b94e6d54fcd7d8d1c13f413bc5444bcc9f192", kill_on_drop: false }`
[INFO] [stdout] 3a509e1dd0ddcc555a3212c11b5b94e6d54fcd7d8d1c13f413bc5444bcc9f192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f977d8f175868c4248f1aef01ff70b292e3826777836103fa73a7697800fc5c4
[INFO] running `Command { std: "docker" "start" "-a" "f977d8f175868c4248f1aef01ff70b292e3826777836103fa73a7697800fc5c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.5
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling critical-section v0.2.7
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling fixed v1.17.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling nrf52840-pac v0.10.1
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking half v2.1.0
[INFO] [stderr]     Checking bytemuck v1.11.0
[INFO] [stderr]    Compiling nrf-hal-common v0.14.1
[INFO] [stderr]    Compiling nrf52840-hal v0.14.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]     Checking groundhog v0.2.5
[INFO] [stderr]    Compiling semver v0.9.0
[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]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.9
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[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 nrf-usbd v0.1.1
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.5.3
[INFO] [stderr] error: could not compile `nrf52840-pac`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nrf52840_pac --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nrf52840-pac-0.10.1/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=40b20ff4008a28f9 -C extra-filename=-40b20ff4008a28f9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-7dbcc0b0d6242143.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-0022b93968986e62.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-1707cf56e5fc912e.rmeta --cap-lints allow --cap-lints=forbid -L /opt/rustwide/target/debug/build/nrf52840-pac-635872d8a9026af8/out -L /opt/rustwide/target/debug/build/cortex-m-rt-4205c7d01a31bb98/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f977d8f175868c4248f1aef01ff70b292e3826777836103fa73a7697800fc5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f977d8f175868c4248f1aef01ff70b292e3826777836103fa73a7697800fc5c4", kill_on_drop: false }`
[INFO] [stdout] f977d8f175868c4248f1aef01ff70b292e3826777836103fa73a7697800fc5c4