[INFO] cloning repository https://github.com/kacerchen/zksnark_zokrates
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kacerchen/zksnark_zokrates" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkacerchen%2Fzksnark_zokrates", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkacerchen%2Fzksnark_zokrates'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 721a21f4f93fd23022d7a20d267f0a70c2ee1f67
[INFO] checking kacerchen/zksnark_zokrates against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkacerchen%2Fzksnark_zokrates" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  65% (1591/2438)
Updating files:  66% (1610/2438)
Updating files:  67% (1634/2438)
Updating files:  68% (1658/2438)
Updating files:  69% (1683/2438)
Updating files:  70% (1707/2438)
Updating files:  71% (1731/2438)
Updating files:  72% (1756/2438)
Updating files:  73% (1780/2438)
Updating files:  73% (1789/2438)
Updating files:  74% (1805/2438)
Updating files:  75% (1829/2438)
Updating files:  76% (1853/2438)
Updating files:  77% (1878/2438)
Updating files:  78% (1902/2438)
Updating files:  79% (1927/2438)
Updating files:  80% (1951/2438)
Updating files:  81% (1975/2438)
Updating files:  82% (2000/2438)
Updating files:  83% (2024/2438)
Updating files:  84% (2048/2438)
Updating files:  85% (2073/2438)
Updating files:  86% (2097/2438)
Updating files:  87% (2122/2438)
Updating files:  88% (2146/2438)
Updating files:  89% (2170/2438)
Updating files:  90% (2195/2438)
Updating files:  91% (2219/2438)
Updating files:  92% (2243/2438)
Updating files:  93% (2268/2438)
Updating files:  94% (2292/2438)
Updating files:  95% (2317/2438)
Updating files:  96% (2341/2438)
Updating files:  97% (2365/2438)
Updating files:  98% (2390/2438)
Updating files:  99% (2414/2438)
Updating files: 100% (2438/2438)
Updating files: 100% (2438/2438), done.
[INFO] validating manifest of git repo https://github.com/kacerchen/zksnark_zokrates 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] started tweaking git repo https://github.com/kacerchen/zksnark_zokrates
[INFO] finished tweaking git repo https://github.com/kacerchen/zksnark_zokrates
[INFO] tweaked toml for git repo https://github.com/kacerchen/zksnark_zokrates written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/kacerchen/zksnark_zokrates already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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 rand_chacha v0.2.0
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded pest_meta v2.1.1
[INFO] [stderr]   Downloaded bincode v0.8.0
[INFO] [stderr]   Downloaded wasmi-validation v0.1.0
[INFO] [stderr]   Downloaded serde_bytes v0.10.5
[INFO] [stderr]   Downloaded pest_generator v2.1.0
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] [stderr]   Downloaded wasmi v0.4.5
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded mockito v0.17.1
[INFO] [stderr]   Downloaded miniz_oxide v0.2.2
[INFO] [stderr]   Downloaded bytecount v0.4.0
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.2
[INFO] [stderr]   Downloaded regex-automata v0.1.7
[INFO] [stderr]   Downloaded reqwest v0.9.18
[INFO] [stderr]   Downloaded walkdir v2.2.8
[INFO] [stderr]   Downloaded h2 v0.1.25
[INFO] [stderr]   Downloaded cargo_metadata v0.6.4
[INFO] [stderr]   Downloaded bstr v0.2.1
[INFO] [stderr]   Downloaded cmake v0.1.40
[INFO] [stderr]   Downloaded skeptic v0.13.4
[INFO] [stderr]   Downloaded ucd-trie v0.1.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] [stderr]   Downloaded pest v2.1.1
[INFO] [stderr]   Downloaded libc v0.2.59
[INFO] [stderr]   Downloaded curl-sys v0.4.20
[INFO] [stderr]   Downloaded hyper v0.12.32
[INFO] [stderr]   Downloaded from-pest v0.3.1
[INFO] [stderr]   Downloaded single v1.0.0
[INFO] [stderr]   Downloaded pest-ast v0.3.3
[INFO] [stderr]   Downloaded ff_derive_ce v0.5.0
[INFO] [stderr]   Downloaded parity-wasm v0.35.7
[INFO] [stderr]   Downloaded reduce v0.1.2
[INFO] [stderr]   Downloaded sapling-crypto_ce v0.1.0
[INFO] [stderr]   Downloaded bellman_ce v0.3.1
[INFO] [stderr]   Downloaded ff_ce v0.7.0
[INFO] [stderr]   Downloaded pairing_ce v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 4dd2c11f649a17d8ab29a19dd871a3372b5a7cbf0ffc7aaac9be25ff1d25f034
[INFO] running `Command { std: "docker" "start" "-a" "4dd2c11f649a17d8ab29a19dd871a3372b5a7cbf0ffc7aaac9be25ff1d25f034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd2c11f649a17d8ab29a19dd871a3372b5a7cbf0ffc7aaac9be25ff1d25f034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd2c11f649a17d8ab29a19dd871a3372b5a7cbf0ffc7aaac9be25ff1d25f034", kill_on_drop: false }`
[INFO] [stdout] 4dd2c11f649a17d8ab29a19dd871a3372b5a7cbf0ffc7aaac9be25ff1d25f034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] e283834e8bc9e0db3145f853567653e80f44b5b94ad4317016ad73ffc3d064f7
[INFO] running `Command { std: "docker" "start" "-a" "e283834e8bc9e0db3145f853567653e80f44b5b94ad4317016ad73ffc3d064f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]    Compiling zokrates_core v0.3.13 (/opt/rustwide/workdir/zokrates_core)
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]     Checking reduce v0.1.2
[INFO] [stderr]    Compiling bytecount v0.4.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking zokrates_fs_resolver v0.4.1 (/opt/rustwide/workdir/zokrates_fs_resolver)
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.2.2
[INFO] [stderr]     Checking regex-automata v0.1.7
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling zokrates_stdlib v0.1.3 (/opt/rustwide/workdir/zokrates_stdlib)
[INFO] [stderr]    Compiling zokrates_cli v0.4.10 (/opt/rustwide/workdir/zokrates_cli)
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr] error: could not compile `futures`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.28/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="use_std"' --cfg 'feature="with-deprecated"' -C metadata=7ee693bdfed95219 -C extra-filename=-7ee693bdfed95219 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "e283834e8bc9e0db3145f853567653e80f44b5b94ad4317016ad73ffc3d064f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e283834e8bc9e0db3145f853567653e80f44b5b94ad4317016ad73ffc3d064f7", kill_on_drop: false }`
[INFO] [stdout] e283834e8bc9e0db3145f853567653e80f44b5b94ad4317016ad73ffc3d064f7