[INFO] fetching crate sawtooth-sabre 0.8.1...
[INFO] checking sawtooth-sabre-0.8.1 against try#9b06ec641f3d05c126a54ceadba42a64366f72b4 for pr-95755
[INFO] extracting crate sawtooth-sabre 0.8.1 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate sawtooth-sabre 0.8.1 on toolchain 9b06ec641f3d05c126a54ceadba42a64366f72b4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sawtooth-sabre 0.8.1
[INFO] finished tweaking crates.io crate sawtooth-sabre 0.8.1
[INFO] tweaked toml for crates.io crate sawtooth-sabre 0.8.1 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate crates.io crate sawtooth-sabre 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 236a82f7d5fa3513c5e3fffcf539f73aee91b050f40a1926330559e287c10d63
[INFO] running `Command { std: "docker" "start" "-a" "236a82f7d5fa3513c5e3fffcf539f73aee91b050f40a1926330559e287c10d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "236a82f7d5fa3513c5e3fffcf539f73aee91b050f40a1926330559e287c10d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236a82f7d5fa3513c5e3fffcf539f73aee91b050f40a1926330559e287c10d63", kill_on_drop: false }`
[INFO] [stdout] 236a82f7d5fa3513c5e3fffcf539f73aee91b050f40a1926330559e287c10d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fa5bb17e6fbbbd9f4d9067f8540970cd52fbdec45985c8646eb4386893ca038
[INFO] running `Command { std: "docker" "start" "-a" "3fa5bb17e6fbbbd9f4d9067f8540970cd52fbdec45985c8646eb4386893ca038", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking wasmi-validation v0.4.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking cbor-codec v0.7.1
[INFO] [stderr]     Checking time v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling secp256k1 v0.7.1
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]     Checking log v0.3.9
[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-2.25.2/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=301591e11a6cbad2 -C extra-filename=-301591e11a6cbad2 --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] running `Command { std: "docker" "inspect" "3fa5bb17e6fbbbd9f4d9067f8540970cd52fbdec45985c8646eb4386893ca038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa5bb17e6fbbbd9f4d9067f8540970cd52fbdec45985c8646eb4386893ca038", kill_on_drop: false }`
[INFO] [stdout] 3fa5bb17e6fbbbd9f4d9067f8540970cd52fbdec45985c8646eb4386893ca038