[INFO] fetching crate electrs 0.9.2...
[INFO] testing electrs-0.9.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate electrs 0.9.2 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate electrs 0.9.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-41/source/rust-toolchain
[INFO] started tweaking crates.io crate electrs 0.9.2
[INFO] finished tweaking crates.io crate electrs 0.9.2
[INFO] tweaked toml for crates.io crate electrs 0.9.2 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate crates.io crate electrs 0.9.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 493bd5e927a7a5faf50747faded4b71d613bb194ba6b0f95e584758b3b316b06
[INFO] running `Command { std: "docker" "start" "-a" "493bd5e927a7a5faf50747faded4b71d613bb194ba6b0f95e584758b3b316b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "493bd5e927a7a5faf50747faded4b71d613bb194ba6b0f95e584758b3b316b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493bd5e927a7a5faf50747faded4b71d613bb194ba6b0f95e584758b3b316b06", kill_on_drop: false }`
[INFO] [stdout] 493bd5e927a7a5faf50747faded4b71d613bb194ba6b0f95e584758b3b316b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f62b9247b684b29fd589d2ba6567d8a0d2382c3550dffbf4af0a5ef8a094e9f7
[INFO] running `Command { std: "docker" "start" "-a" "f62b9247b684b29fd589d2ba6567d8a0d2382c3550dffbf4af0a5ef8a094e9f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling configure_me_codegen v0.4.1
[INFO] [stderr]    Compiling roff v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]    Compiling fmt2io v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling parse_arg v0.1.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling clang-sys v1.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libloading v0.7.1
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling base64-compat v1.0.0
[INFO] [stderr]    Compiling man v0.1.1
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling url v2.2.2
[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=ee27f591ad7cb7ee -C extra-filename=-ee27f591ad7cb7ee --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg rustc_nightly` (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" "f62b9247b684b29fd589d2ba6567d8a0d2382c3550dffbf4af0a5ef8a094e9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62b9247b684b29fd589d2ba6567d8a0d2382c3550dffbf4af0a5ef8a094e9f7", kill_on_drop: false }`
[INFO] [stdout] f62b9247b684b29fd589d2ba6567d8a0d2382c3550dffbf4af0a5ef8a094e9f7