[INFO] fetching crate libzkbob-rs 0.6.1...
[INFO] checking libzkbob-rs-0.6.1 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate libzkbob-rs 0.6.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libzkbob-rs 0.6.1 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libzkbob-rs 0.6.1
[INFO] finished tweaking crates.io crate libzkbob-rs 0.6.1
[INFO] tweaked toml for crates.io crate libzkbob-rs 0.6.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "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 ff-uint v0.2.4
[INFO] [stderr]   Downloaded seedbox v0.2.0
[INFO] [stderr]   Downloaded linked-list v0.0.3
[INFO] [stderr]   Downloaded test-case v1.2.3
[INFO] [stderr]   Downloaded ff-uint_derive v0.2.4
[INFO] [stderr]   Downloaded ff_derive_ce v0.5.1
[INFO] [stderr]   Downloaded kvdb v0.9.0
[INFO] [stderr]   Downloaded fs-swap v0.2.6
[INFO] [stderr]   Downloaded kvdb-memorydb v0.9.0
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.11.1
[INFO] [stderr]   Downloaded ff_ce v0.7.1
[INFO] [stderr]   Downloaded fawkes-crypto-bellman_ce v0.3.5
[INFO] [stderr]   Downloaded rocksdb v0.16.0
[INFO] [stderr]   Downloaded chacha20 v0.7.3
[INFO] [stderr]   Downloaded blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]   Downloaded fawkes-crypto_derive v4.3.0
[INFO] [stderr]   Downloaded concat-idents v1.1.3
[INFO] [stderr]   Downloaded fawkes-crypto v4.4.0
[INFO] [stderr]   Downloaded kvdb-web v0.9.0
[INFO] [stderr]   Downloaded chacha20poly1305 v0.8.2
[INFO] [stderr]   Downloaded fawkes-crypto-pairing_ce v0.18.1
[INFO] [stderr]   Downloaded libzeropool v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0f0cc4316a9e9c061a9a6c3e3fa626bc65c34a09b686c5965f6448fb50954d9
[INFO] running `Command { std: "docker" "start" "-a" "f0f0cc4316a9e9c061a9a6c3e3fa626bc65c34a09b686c5965f6448fb50954d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0f0cc4316a9e9c061a9a6c3e3fa626bc65c34a09b686c5965f6448fb50954d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f0cc4316a9e9c061a9a6c3e3fa626bc65c34a09b686c5965f6448fb50954d9", kill_on_drop: false }`
[INFO] [stdout] f0f0cc4316a9e9c061a9a6c3e3fa626bc65c34a09b686c5965f6448fb50954d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d7f0daf00dd85da78773b1d9b41e35f37f8c99a912d48a26f9b54d9731ef93e
[INFO] running `Command { std: "docker" "start" "-a" "7d7f0daf00dd85da78773b1d9b41e35f37f8c99a912d48a26f9b54d9731ef93e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling ref-cast v1.0.9
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling test-case v1.2.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking itertools v0.10.4
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking chacha20 v0.7.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking chacha20poly1305 v0.8.2
[INFO] [stderr]     Checking sha3 v0.10.4
[INFO] [stderr]    Compiling ff_derive_ce v0.5.1
[INFO] [stderr]    Compiling borsh-derive-internal v0.9.3
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.9.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking seedbox v0.2.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.9
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling concat-idents v1.1.3
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling fawkes-crypto_derive v4.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]     Checking ff_ce v0.7.1
[INFO] [stderr]     Checking fawkes-crypto-pairing_ce v0.18.1
[INFO] [stderr]     Checking fawkes-crypto-bellman_ce v0.3.5
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]     Checking kvdb v0.9.0
[INFO] [stderr]     Checking kvdb-memorydb v0.9.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling borsh-derive v0.9.3
[INFO] [stderr]    Compiling ff-uint_derive v0.2.4
[INFO] [stderr]     Checking borsh v0.9.3
[INFO] [stderr]     Checking ff-uint v0.2.4
[INFO] [stderr]     Checking fawkes-crypto v4.4.0
[INFO] [stderr]     Checking libzeropool v0.5.6
[INFO] [stderr]     Checking libzkbob-rs v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "7d7f0daf00dd85da78773b1d9b41e35f37f8c99a912d48a26f9b54d9731ef93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7f0daf00dd85da78773b1d9b41e35f37f8c99a912d48a26f9b54d9731ef93e", kill_on_drop: false }`
[INFO] [stdout] 7d7f0daf00dd85da78773b1d9b41e35f37f8c99a912d48a26f9b54d9731ef93e