[INFO] fetching crate sabre-sdk 0.8.1...
[INFO] checking sabre-sdk-0.8.1 against try#9b06ec641f3d05c126a54ceadba42a64366f72b4 for pr-95755
[INFO] extracting crate sabre-sdk 0.8.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sabre-sdk 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 sabre-sdk 0.8.1
[INFO] finished tweaking crates.io crate sabre-sdk 0.8.1
[INFO] tweaked toml for crates.io crate sabre-sdk 0.8.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "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" "+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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0ef6f2f3514953355f4ab4efa5262d3abd70e2f06d2e97f0b0d74e99efc3e410
[INFO] running `Command { std: "docker" "start" "-a" "0ef6f2f3514953355f4ab4efa5262d3abd70e2f06d2e97f0b0d74e99efc3e410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ef6f2f3514953355f4ab4efa5262d3abd70e2f06d2e97f0b0d74e99efc3e410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef6f2f3514953355f4ab4efa5262d3abd70e2f06d2e97f0b0d74e99efc3e410", kill_on_drop: false }`
[INFO] [stdout] 0ef6f2f3514953355f4ab4efa5262d3abd70e2f06d2e97f0b0d74e99efc3e410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1d3fc1e540195124040e1256f3c9e0d9c4fa56983869c9bb774f4cdb12ec7168
[INFO] running `Command { std: "docker" "start" "-a" "1d3fc1e540195124040e1256f3c9e0d9c4fa56983869c9bb774f4cdb12ec7168", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling protobuf-codegen v2.27.1
[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-2.27.1/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=be772f8518af30f5 -C extra-filename=-be772f8518af30f5 --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" "1d3fc1e540195124040e1256f3c9e0d9c4fa56983869c9bb774f4cdb12ec7168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3fc1e540195124040e1256f3c9e0d9c4fa56983869c9bb774f4cdb12ec7168", kill_on_drop: false }`
[INFO] [stdout] 1d3fc1e540195124040e1256f3c9e0d9c4fa56983869c9bb774f4cdb12ec7168