[INFO] fetching crate wagyu-zcash 0.6.3...
[INFO] checking wagyu-zcash-0.6.3 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate wagyu-zcash 0.6.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wagyu-zcash 0.6.3 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wagyu-zcash 0.6.3
[INFO] finished tweaking crates.io crate wagyu-zcash 0.6.3
[INFO] tweaked toml for crates.io crate wagyu-zcash 0.6.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded group v0.6.0
[INFO] [stderr]   Downloaded crypto_api v0.2.2
[INFO] [stderr]   Downloaded ff v0.6.0
[INFO] [stderr]   Downloaded ethereum-types v0.9.2
[INFO] [stderr]   Downloaded ethbloom v0.9.2
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded blake2s_simd v0.5.11
[INFO] [stderr]   Downloaded bech32 v0.6.0
[INFO] [stderr]   Downloaded async-stream v0.2.1
[INFO] [stderr]   Downloaded base58-monero v0.2.1
[INFO] [stderr]   Downloaded ripemd160 v0.7.0
[INFO] [stderr]   Downloaded async-stream-impl v0.2.1
[INFO] [stderr]   Downloaded ripemd160 v0.8.0
[INFO] [stderr]   Downloaded bellman v0.6.0
[INFO] [stderr]   Downloaded aes v0.2.0
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.2
[INFO] [stderr]   Downloaded field-derive v0.6.1
[INFO] [stderr]   Downloaded wagyu-zcash-parameters v0.2.0
[INFO] [stderr]   Downloaded hex-literal v0.2.1
[INFO] [stderr]   Downloaded crypto_api_chachapoly v0.2.2
[INFO] [stderr]   Downloaded fpe v0.2.0
[INFO] [stderr]   Downloaded pairing v0.16.0
[INFO] [stderr]   Downloaded ff_derive v0.6.0
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.7
[INFO] [stderr]   Downloaded wagyu-model v0.6.3
[INFO] [stderr]   Downloaded fpe v0.1.0
[INFO] [stderr]   Downloaded zcash_proofs v0.2.0
[INFO] [stderr]   Downloaded zcash_primitives v0.2.0
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e95eef01815721251c7499b29d64df90d2811d42f52079f3a6d1144d6c6592d
[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" "7e95eef01815721251c7499b29d64df90d2811d42f52079f3a6d1144d6c6592d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e95eef01815721251c7499b29d64df90d2811d42f52079f3a6d1144d6c6592d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e95eef01815721251c7499b29d64df90d2811d42f52079f3a6d1144d6c6592d", kill_on_drop: false }`
[INFO] [stdout] 7e95eef01815721251c7499b29d64df90d2811d42f52079f3a6d1144d6c6592d
[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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c90187ffeab37e21892d0d1335fb730f2ab3a90375d091fa14c7407adac70401
[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" "c90187ffeab37e21892d0d1335fb730f2ab3a90375d091fa14c7407adac70401", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking crypto_api v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]     Checking wagyu-zcash-parameters-5 v0.2.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking wagyu-zcash-parameters-2 v0.2.0
[INFO] [stderr]     Checking wagyu-zcash-parameters-1 v0.2.0
[INFO] [stderr]     Checking wagyu-zcash-parameters-3 v0.2.0
[INFO] [stderr]     Checking wagyu-zcash-parameters-6 v0.2.0
[INFO] [stderr]     Checking wagyu-zcash-parameters-4 v0.2.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking crypto_api_chachapoly v0.2.2
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking wagyu-zcash-parameters v0.2.0
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-cipher-trait v0.5.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking aes-soft v0.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking fpe v0.2.0
[INFO] [stderr]     Checking fpe v0.1.0
[INFO] [stderr]    Compiling field-derive v0.6.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling ff_derive v0.6.0
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking ff v0.6.0
[INFO] [stderr]     Checking group v0.6.0
[INFO] [stderr]     Checking pairing v0.16.0
[INFO] [stderr]     Checking bellman v0.6.0
[INFO] [stderr]     Checking zcash_primitives v0.2.0
[INFO] [stderr]     Checking base58-monero v0.2.1
[INFO] [stderr]     Checking zcash_proofs v0.2.0
[INFO] [stderr]     Checking parity-scale-codec v1.3.7
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.3
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking wagyu-model v0.6.3
[INFO] [stderr]     Checking wagyu-zcash v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/librustzcash/mod.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/librustzcash/zip32.rs:577:10
[INFO] [stdout]     |
[INFO] [stdout] 577 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/librustzcash/mod.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub static ref JUBJUB: JubjubBls12 = { JubjubBls12::new() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "c90187ffeab37e21892d0d1335fb730f2ab3a90375d091fa14c7407adac70401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90187ffeab37e21892d0d1335fb730f2ab3a90375d091fa14c7407adac70401", kill_on_drop: false }`
[INFO] [stdout] c90187ffeab37e21892d0d1335fb730f2ab3a90375d091fa14c7407adac70401