[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] c3c7a92eb061843274fe9bf423ef2d8bcdcd6421
[INFO] checking dalance/prosafe_exporter against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fprosafe_exporter" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dalance/prosafe_exporter on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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-33/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" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] [stderr]   Downloaded handlebars v0.29.1
[INFO] [stderr]   Downloaded interfaces v0.0.8
[INFO] [stderr]   Downloaded protobuf v2.25.1
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded nix v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27ef80be5847a6c2a66bbd125496497f3c71aad089f0bb593e35cd2b71e29ed1
[INFO] running `Command { std: "docker" "start" "-a" "27ef80be5847a6c2a66bbd125496497f3c71aad089f0bb593e35cd2b71e29ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27ef80be5847a6c2a66bbd125496497f3c71aad089f0bb593e35cd2b71e29ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ef80be5847a6c2a66bbd125496497f3c71aad089f0bb593e35cd2b71e29ed1", kill_on_drop: false }`
[INFO] [stdout] 27ef80be5847a6c2a66bbd125496497f3c71aad089f0bb593e35cd2b71e29ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053b07c8895664c44cb9ac6be1071ad5b39f53b4e05c84fac680726e6151023f
[INFO] running `Command { std: "docker" "start" "-a" "053b07c8895664c44cb9ac6be1071ad5b39f53b4e05c84fac680726e6151023f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.5.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=9475ec4b23002eef -C extra-filename=-9475ec4b23002eef --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-46f75a66bec1e771.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "053b07c8895664c44cb9ac6be1071ad5b39f53b4e05c84fac680726e6151023f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053b07c8895664c44cb9ac6be1071ad5b39f53b4e05c84fac680726e6151023f", kill_on_drop: false }`
[INFO] [stdout] 053b07c8895664c44cb9ac6be1071ad5b39f53b4e05c84fac680726e6151023f