[INFO] cloning repository https://github.com/dalance/prosafe_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dalance/prosafe_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fprosafe_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fprosafe_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2102484f0b7c36300defc51280fc710e1436dcc
[INFO] testing dalance/prosafe_exporter against 1.57.0 for beta-1.58-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fprosafe_exporter" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dalance/prosafe_exporter on toolchain 1.57.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.57.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dalance/prosafe_exporter
[INFO] finished tweaking git repo https://github.com/dalance/prosafe_exporter
[INFO] tweaked toml for git repo https://github.com/dalance/prosafe_exporter written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/dalance/prosafe_exporter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.57.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+1.57.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 975d298abac53ddc050442b2834be614f65aee5b70de2afd3818c7ad6fff1a5f
[INFO] running `Command { std: "docker" "start" "-a" "975d298abac53ddc050442b2834be614f65aee5b70de2afd3818c7ad6fff1a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "975d298abac53ddc050442b2834be614f65aee5b70de2afd3818c7ad6fff1a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975d298abac53ddc050442b2834be614f65aee5b70de2afd3818c7ad6fff1a5f", kill_on_drop: false }`
[INFO] [stdout] 975d298abac53ddc050442b2834be614f65aee5b70de2afd3818c7ad6fff1a5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+1.57.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c0d0bff56db82d17e9a0a615779e86df054a18837783470198891c318a8d56a
[INFO] running `Command { std: "docker" "start" "-a" "4c0d0bff56db82d17e9a0a615779e86df054a18837783470198891c318a8d56a", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Compiling libc v0.2.104
[INFO] [stderr] Compiling autocfg v1.0.1
[INFO] [stderr] Compiling cfg-if v1.0.0
[INFO] [stderr] Compiling lazy_static v1.4.0
[INFO] [stderr] Compiling proc-macro2 v1.0.30
[INFO] [stderr] Compiling unicode-xid v0.2.2
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Compiling cfg-if v0.1.10
[INFO] [stderr] Compiling syn v1.0.80
[INFO] [stderr] Compiling futures v0.1.31
[INFO] [stderr] Compiling semver-parser v0.7.0
[INFO] [stderr] Compiling maybe-uninit v2.0.0
[INFO] [stderr] Compiling memchr v2.4.1
[INFO] [stderr] Compiling either v1.6.1
[INFO] [stderr] Compiling byteorder v1.4.3
[INFO] [stderr] Compiling scopeguard v1.1.0
[INFO] [stderr] Compiling serde v1.0.130
[INFO] [stderr] Compiling itoa v0.4.8
[INFO] [stderr] Compiling fnv v1.0.7
[INFO] [stderr] Compiling version_check v0.9.3
[INFO] [stderr] Compiling slab v0.4.5
[INFO] [stderr] Compiling cc v1.0.71
[INFO] [stderr] Compiling ryu v1.0.5
[INFO] [stderr] Compiling serde_json v1.0.68
[INFO] [stderr] Compiling regex v0.2.11
[INFO] [stderr] Compiling ucd-util v0.1.8
[INFO] [stderr] Compiling utf8-ranges v1.0.4
[INFO] [stderr] Compiling serde_derive v1.0.130
[INFO] [stderr] Compiling tinyvec_macros v0.1.0
[INFO] [stderr] Compiling bitflags v1.3.2
[INFO] [stderr] Compiling pest v0.3.3
[INFO] [stderr] Compiling quick-error v1.2.3
[INFO] [stderr] Compiling parking_lot_core v0.8.5
[INFO] [stderr] Compiling lazy_static v0.2.11
[INFO] [stderr] Compiling hashbrown v0.11.2
[INFO] [stderr] Compiling unicode-width v0.1.9
[INFO] [stderr] Compiling matches v0.1.9
[INFO] [stderr] Compiling gimli v0.25.0
[INFO] [stderr] Compiling smallvec v1.7.0
[INFO] [stderr] Compiling adler v1.0.2
[INFO] [stderr] Compiling unicode-segmentation v1.8.0
[INFO] [stderr] Compiling httparse v1.5.1
[INFO] [stderr] Compiling protobuf v2.25.1
[INFO] [stderr] Compiling failure_derive v0.1.8
[INFO] [stderr] Compiling percent-encoding v2.1.0
[INFO] [stderr] Compiling rustc-demangle v0.1.21
[INFO] [stderr] Compiling unicode-bidi v0.3.7
[INFO] [stderr] Compiling try-lock v0.2.3
[INFO] [stderr] Compiling ppv-lite86 v0.2.14
[INFO] [stderr] Compiling void v1.0.2
[INFO] [stderr] Compiling prometheus v0.13.0
[INFO] [stderr] Compiling vec_map v0.8.2
[INFO] [stderr] Compiling ascii v0.9.3
[INFO] [stderr] Compiling unreachable v1.0.0
[INFO] [stderr] Compiling instant v0.1.12
[INFO] [stderr] Compiling tinyvec v1.5.0
[INFO] [stderr] Compiling thread_local v0.3.6
[INFO] [stderr] Compiling regex-syntax v0.5.6
[INFO] [stderr] Compiling semver v0.9.0
[INFO] [stderr] Compiling textwrap v0.11.0
[INFO] [stderr] Compiling lock_api v0.3.4
[INFO] [stderr] Compiling lock_api v0.4.5
[INFO] [stderr] Compiling heck v0.3.3
[INFO] [stderr] Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr] Compiling proc-macro-error v1.0.4
[INFO] [stderr] Compiling form_urlencoded v1.0.1
[INFO] [stderr] Compiling tokio-sync v0.1.8
[INFO] [stderr] Compiling crossbeam-utils v0.7.2
[INFO] [stderr] Compiling memoffset v0.5.6
[INFO] [stderr] Compiling crossbeam-epoch v0.8.2
[INFO] [stderr] Compiling miniz_oxide v0.4.4
[INFO] [stderr] Compiling memoffset v0.6.4
[INFO] [stderr] Compiling indexmap v1.7.0
[INFO] [stderr] Compiling backtrace v0.3.61
[INFO] [stderr] Compiling rustc_version v0.2.3
[INFO] [stderr] Compiling unicode-normalization v0.1.19
[INFO] [stderr] Compiling parking_lot_core v0.6.2
[INFO] [stderr] Compiling parking_lot v0.9.0
[INFO] [stderr] Compiling hyper v0.12.36
[INFO] [stderr] Compiling addr2line v0.16.0
[INFO] [stderr] Compiling log v0.3.9
[INFO] [stderr] Compiling want v0.2.0
[INFO] [stderr] Compiling smallvec v0.6.14
[INFO] [stderr] Compiling quote v1.0.10
[INFO] [stderr] Compiling aho-corasick v0.6.10
[INFO] [stderr] Compiling object v0.26.2
[INFO] [stderr] Compiling combine v3.8.1
[INFO] [stderr] Compiling idna v0.2.3
[INFO] [stderr] Compiling tokio-executor v0.1.10
[INFO] [stderr] Compiling crossbeam-queue v0.2.3
[INFO] [stderr] Compiling url v2.2.2
[INFO] [stderr] Compiling iovec v0.1.4
[INFO] [stderr] Compiling num_cpus v1.13.0
[INFO] [stderr] Compiling net2 v0.2.37
[INFO] [stderr] Compiling getrandom v0.2.3
[INFO] [stderr] Compiling atty v0.2.14
[INFO] [stderr] Compiling nix v0.23.0
[INFO] [stderr] Compiling time v0.1.43
[INFO] [stderr] Compiling clap v2.33.3
[INFO] [stderr] Compiling tokio-current-thread v0.1.7
[INFO] [stderr] Compiling tokio-timer v0.2.13
[INFO] [stderr] Compiling bytes v0.4.12
[INFO] [stderr] Compiling crossbeam-deque v0.7.4
[INFO] [stderr] Compiling mio v0.6.23
[INFO] [stderr] Compiling futures-cpupool v0.1.8
[INFO] [stderr] Compiling parking_lot v0.11.2
[INFO] [stderr] Compiling rand_core v0.6.3
[INFO] [stderr] Compiling tokio-threadpool v0.1.18
[INFO] [stderr] Compiling tokio-io v0.1.13
[INFO] [stderr] Compiling http v0.1.21
[INFO] [stderr] Compiling tokio-buf v0.1.1
[INFO] [stderr] Compiling string v0.2.1
[INFO] [stderr] Compiling rand_chacha v0.3.1
[INFO] [stderr] Compiling rand v0.8.4
[INFO] [stderr] Compiling tokio-reactor v0.1.12
[INFO] [stderr] error: could not compile `protobuf`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] process didn't exit successfully: `rustc --crate-name protobuf --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.25.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=14f395e8de915277 -C extra-filename=-14f395e8de915277 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4c0d0bff56db82d17e9a0a615779e86df054a18837783470198891c318a8d56a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0d0bff56db82d17e9a0a615779e86df054a18837783470198891c318a8d56a", kill_on_drop: false }`
[INFO] [stdout] 4c0d0bff56db82d17e9a0a615779e86df054a18837783470198891c318a8d56a