[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#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkacerchen%2Fzksnark_zokrates" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/kacerchen/zksnark_zokrates on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-111/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf3139e6fee950bcab500993051bd5eeb478031f5342394e732d4cc158cc3191
[INFO] running `Command { std: "docker" "start" "-a" "bf3139e6fee950bcab500993051bd5eeb478031f5342394e732d4cc158cc3191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf3139e6fee950bcab500993051bd5eeb478031f5342394e732d4cc158cc3191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3139e6fee950bcab500993051bd5eeb478031f5342394e732d4cc158cc3191", kill_on_drop: false }`
[INFO] [stdout] bf3139e6fee950bcab500993051bd5eeb478031f5342394e732d4cc158cc3191
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca4c010cc9b1920b9de6a13a1422c12805d9bb0f7a0f22572d0c3b01d41632c6
[INFO] running `Command { std: "docker" "start" "-a" "ca4c010cc9b1920b9de6a13a1422c12805d9bb0f7a0f22572d0c3b01d41632c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling autocfg v0.1.4
[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]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling byteorder v1.3.2
[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 itoa v0.4.4
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.1
[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]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling zokrates_core v0.3.13 (/opt/rustwide/workdir/zokrates_core)
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking reduce v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking zokrates_fs_resolver v0.4.1 (/opt/rustwide/workdir/zokrates_fs_resolver)
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling zokrates_cli v0.4.10 (/opt/rustwide/workdir/zokrates_cli)
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[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]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling quote v0.6.12
[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" "ca4c010cc9b1920b9de6a13a1422c12805d9bb0f7a0f22572d0c3b01d41632c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4c010cc9b1920b9de6a13a1422c12805d9bb0f7a0f22572d0c3b01d41632c6", kill_on_drop: false }`
[INFO] [stdout] ca4c010cc9b1920b9de6a13a1422c12805d9bb0f7a0f22572d0c3b01d41632c6