[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] 0c3ed159985affa774e44d10172d4471d798a85a
[INFO] checking zcash/librustzcash against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash%2Flibrustzcash" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zcash/librustzcash on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/zcash/halo2.git`
[INFO] [stderr]     Updating git repository `https://github.com/myrrlyn/nom.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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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 bech32 v0.8.0
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.24.1
[INFO] [stderr]   Downloaded bellman v0.10.0
[INFO] [stderr]   Downloaded nonempty v0.6.0
[INFO] [stderr]   Downloaded crypto_api_chachapoly v0.4.3
[INFO] [stderr]   Downloaded pairing v0.20.0
[INFO] [stderr]   Downloaded pasta_curves v0.1.1
[INFO] [stderr]   Downloaded wagyu-zcash-parameters v0.2.0
[INFO] [stderr]   Downloaded ff v0.10.0
[INFO] [stderr]   Downloaded group v0.10.0
[INFO] [stderr]   Downloaded jubjub v0.7.0
[INFO] [stderr]   Downloaded minreq v2.4.2
[INFO] [stderr]   Downloaded fpe v0.4.0
[INFO] [stderr]   Downloaded bls12_381 v0.5.0
[INFO] [stderr]   Downloaded wagyu-zcash-parameters-6 v0.2.0
[INFO] [stderr]   Downloaded wagyu-zcash-parameters-3 v0.2.0
[INFO] [stderr]   Downloaded wagyu-zcash-parameters-5 v0.2.0
[INFO] [stderr]   Downloaded wagyu-zcash-parameters-2 v0.2.0
[INFO] [stderr]   Downloaded wagyu-zcash-parameters-4 v0.2.0
[INFO] [stderr]   Downloaded wagyu-zcash-parameters-1 v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d22fabc0084f3d3b81dddab460c38acf1fae793c12b40e6ffd03fdbca182031a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d22fabc0084f3d3b81dddab460c38acf1fae793c12b40e6ffd03fdbca182031a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d22fabc0084f3d3b81dddab460c38acf1fae793c12b40e6ffd03fdbca182031a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22fabc0084f3d3b81dddab460c38acf1fae793c12b40e6ffd03fdbca182031a", kill_on_drop: false }`
[INFO] [stdout] d22fabc0084f3d3b81dddab460c38acf1fae793c12b40e6ffd03fdbca182031a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5525ebc7793403ff599e8cb57a75dd0d7d5d4cc5f195a26a558047a1b83ffd47
[INFO] running `Command { std: "docker" "start" "-a" "5525ebc7793403ff599e8cb57a75dd0d7d5d4cc5f195a26a558047a1b83ffd47", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking crypto_api v0.2.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking nonempty v0.6.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bech32 v0.8.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]     Checking bitcoin_hashes v0.9.6
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking crypto_api_chachapoly v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling nom v6.1.2 (https://github.com/myrrlyn/nom.git?rev=d6b81f5303b0a347726e1f3f428751f376e7b771#d6b81f53)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking equihash v0.1.0 (/opt/rustwide/workdir/components/equihash)
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bigint v4.4.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking zcash_history v0.2.0 (/opt/rustwide/workdir/zcash_history)
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking block-modes v0.7.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking ff v0.10.0
[INFO] [stderr]     Checking zcash_address v0.0.0 (/opt/rustwide/workdir/components/zcash_address)
[INFO] [stderr]     Checking secp256k1 v0.20.2
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking pairing v0.20.0
[INFO] [stderr]     Checking pasta_curves v0.1.1
[INFO] [stderr]     Checking zcash_note_encryption v0.0.0 (/opt/rustwide/workdir/components/zcash_note_encryption)
[INFO] [stderr]     Checking bls12_381 v0.5.0
[INFO] [stderr]     Checking bellman v0.10.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking fpe v0.4.0
[INFO] [stderr]     Checking jubjub v0.7.0
[INFO] [stderr]     Checking halo2 v0.0.1 (https://github.com/zcash/halo2.git?rev=236115917df9db45282fec24d1e1e36f275f71ab#23611591)
[INFO] [stderr]    Compiling protobuf-codegen v2.24.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.24.1
[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-2.24.1/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=7dea9c8744521f34 -C extra-filename=-7dea9c8744521f34 --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" "5525ebc7793403ff599e8cb57a75dd0d7d5d4cc5f195a26a558047a1b83ffd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5525ebc7793403ff599e8cb57a75dd0d7d5d4cc5f195a26a558047a1b83ffd47", kill_on_drop: false }`
[INFO] [stdout] 5525ebc7793403ff599e8cb57a75dd0d7d5d4cc5f195a26a558047a1b83ffd47