[INFO] fetching crate groundhog-nrf52 0.2.1...
[INFO] checking groundhog-nrf52-0.2.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate groundhog-nrf52 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate groundhog-nrf52 0.2.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate groundhog-nrf52 0.2.1
[INFO] finished tweaking crates.io crate groundhog-nrf52 0.2.1
[INFO] tweaked toml for crates.io crate groundhog-nrf52 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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" "+195ad4830e11a544391abe296b146450dea8411b" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52a6db2fd8643f6b9e06025e668e014b07eea39245b18c7db0bef06daca4b03e
[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" "52a6db2fd8643f6b9e06025e668e014b07eea39245b18c7db0bef06daca4b03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52a6db2fd8643f6b9e06025e668e014b07eea39245b18c7db0bef06daca4b03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a6db2fd8643f6b9e06025e668e014b07eea39245b18c7db0bef06daca4b03e", kill_on_drop: false }`
[INFO] [stdout] 52a6db2fd8643f6b9e06025e668e014b07eea39245b18c7db0bef06daca4b03e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4c78ada452c55ad43f0974bac88774615b09a2b4f91020d7580eeb15cb53e89
[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" "f4c78ada452c55ad43f0974bac88774615b09a2b4f91020d7580eeb15cb53e89", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling fixed v1.6.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling nrf52840-pac v0.9.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling nrf-hal-common v0.12.1
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling nrf52840-hal v0.12.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]     Checking groundhog v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.6
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking cortex-m v0.7.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.5.2
[INFO] [stderr]     Checking groundhog-nrf52 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "f4c78ada452c55ad43f0974bac88774615b09a2b4f91020d7580eeb15cb53e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c78ada452c55ad43f0974bac88774615b09a2b4f91020d7580eeb15cb53e89", kill_on_drop: false }`
[INFO] [stdout] f4c78ada452c55ad43f0974bac88774615b09a2b4f91020d7580eeb15cb53e89