[INFO] fetching crate nrf52833-hal 0.12.0...
[INFO] checking nrf52833-hal-0.12.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate nrf52833-hal 0.12.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nrf52833-hal 0.12.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nrf52833-hal 0.12.0
[INFO] finished tweaking crates.io crate nrf52833-hal 0.12.0
[INFO] tweaked toml for crates.io crate nrf52833-hal 0.12.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac2c05b08fa4fee73b7fbad78939915d37b197bf39a42fc1b97cd3670e0821a4
[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" "ac2c05b08fa4fee73b7fbad78939915d37b197bf39a42fc1b97cd3670e0821a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac2c05b08fa4fee73b7fbad78939915d37b197bf39a42fc1b97cd3670e0821a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2c05b08fa4fee73b7fbad78939915d37b197bf39a42fc1b97cd3670e0821a4", kill_on_drop: false }`
[INFO] [stdout] ac2c05b08fa4fee73b7fbad78939915d37b197bf39a42fc1b97cd3670e0821a4
[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" "RUSTFLAGS=--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b343d3bc0213b834104ce4892087c57687b3fd92a1b7ade4f6303045e666fd13
[INFO] running `Command { std: "docker" "start" "-a" "b343d3bc0213b834104ce4892087c57687b3fd92a1b7ade4f6303045e666fd13", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling fixed v1.5.0
[INFO] [stderr]    Compiling nrf52833-pac v0.9.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nrf-hal-common v0.12.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling nrf52833-hal v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "b343d3bc0213b834104ce4892087c57687b3fd92a1b7ade4f6303045e666fd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b343d3bc0213b834104ce4892087c57687b3fd92a1b7ade4f6303045e666fd13", kill_on_drop: false }`
[INFO] [stdout] b343d3bc0213b834104ce4892087c57687b3fd92a1b7ade4f6303045e666fd13