[INFO] cloning repository https://github.com/zcash/librustzcash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zcash/librustzcash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash%2Flibrustzcash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash%2Flibrustzcash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba3f13bbedd95908419f104f67b9fcd3b3e13111
[INFO] checking zcash/librustzcash against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash%2Flibrustzcash" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zcash/librustzcash on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-15/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/zcash/librustzcash
[INFO] finished tweaking git repo https://github.com/zcash/librustzcash
[INFO] tweaked toml for git repo https://github.com/zcash/librustzcash written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/zcash/halo2.git`
[INFO] [stderr]     Updating git repository `https://github.com/zcash/incrementalmerkletree.git`
[INFO] [stderr]     Updating git repository `https://github.com/zcash/orchard.git`
[INFO] [stderr]     Updating git repository `https://github.com/str4d/redjubjub.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23d0448d48abaebec30204fa815977a7ed9ad70f75106d08155d23f207070c92
[INFO] running `Command { std: "docker" "start" "-a" "23d0448d48abaebec30204fa815977a7ed9ad70f75106d08155d23f207070c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23d0448d48abaebec30204fa815977a7ed9ad70f75106d08155d23f207070c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d0448d48abaebec30204fa815977a7ed9ad70f75106d08155d23f207070c92", kill_on_drop: false }`
[INFO] [stdout] 23d0448d48abaebec30204fa815977a7ed9ad70f75106d08155d23f207070c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7248f122f1b76d57191e0bf227398b62d3b7912ccb896e3bedcbf6f5951263de
[INFO] running `Command { std: "docker" "start" "-a" "7248f122f1b76d57191e0bf227398b62d3b7912ccb896e3bedcbf6f5951263de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
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[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking inferno v0.10.7
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking pairing v0.21.0
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking bls12_381 v0.6.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]     Checking jubjub v0.8.0
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling protobuf-codegen v2.25.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking pasta_curves v0.2.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking halo2 v0.0.1 (https://github.com/zcash/halo2.git?rev=26047eaf323929935fd1e6aa3ae100b1113706e0#26047eaf)
[INFO] [stderr]     Checking bellman v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling zeroize_derive v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.25.1
[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-2.25.1/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=fb9b46c1de232713 -C extra-filename=-fb9b46c1de232713 --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" "7248f122f1b76d57191e0bf227398b62d3b7912ccb896e3bedcbf6f5951263de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7248f122f1b76d57191e0bf227398b62d3b7912ccb896e3bedcbf6f5951263de", kill_on_drop: false }`
[INFO] [stdout] 7248f122f1b76d57191e0bf227398b62d3b7912ccb896e3bedcbf6f5951263de