[INFO] cloning repository https://github.com/zcash-hackworks/sapling-mpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zcash-hackworks/sapling-mpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash-hackworks%2Fsapling-mpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash-hackworks%2Fsapling-mpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7934d34502745f3a8c03a7f98355a990d42930b7
[INFO] testing zcash-hackworks/sapling-mpc against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash-hackworks%2Fsapling-mpc" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zcash-hackworks/sapling-mpc on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zcash-hackworks/sapling-mpc
[INFO] finished tweaking git repo https://github.com/zcash-hackworks/sapling-mpc
[INFO] tweaked toml for git repo https://github.com/zcash-hackworks/sapling-mpc written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/zcash-hackworks/sapling-mpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/zcash-hackworks/sapling-crypto`
[INFO] [stderr]     Updating git repository `https://github.com/gtank/blake2-rfc`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phase2 v0.2.2
[INFO] [stderr]   Downloaded hex-literal-impl v0.1.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.0
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.0
[INFO] [stderr]   Downloaded bellman v0.1.0
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] [stderr]   Downloaded hex-literal v0.1.1
[INFO] [stderr]   Downloaded pairing v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488587dc67501dfcbedb78b550c9bfd08f1d8a0e3bf64f8e78fe1366f452ea65
[INFO] running `Command { std: "docker" "start" "-a" "488587dc67501dfcbedb78b550c9bfd08f1d8a0e3bf64f8e78fe1366f452ea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488587dc67501dfcbedb78b550c9bfd08f1d8a0e3bf64f8e78fe1366f452ea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488587dc67501dfcbedb78b550c9bfd08f1d8a0e3bf64f8e78fe1366f452ea65", kill_on_drop: false }`
[INFO] [stdout] 488587dc67501dfcbedb78b550c9bfd08f1d8a0e3bf64f8e78fe1366f452ea65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 323daa81e5ab1452ba71b93bcd5f0f7c16f629978ae7cd0935dfd9a6f5c24499
[INFO] running `Command { std: "docker" "start" "-a" "323daa81e5ab1452ba71b93bcd5f0f7c16f629978ae7cd0935dfd9a6f5c24499", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling pairing v0.14.2
[INFO] [stderr]    Compiling bellman v0.1.0
[INFO] [stderr]    Compiling phase2 v0.2.2
[INFO] [stderr]    Compiling sapling-mpc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "323daa81e5ab1452ba71b93bcd5f0f7c16f629978ae7cd0935dfd9a6f5c24499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323daa81e5ab1452ba71b93bcd5f0f7c16f629978ae7cd0935dfd9a6f5c24499", kill_on_drop: false }`
[INFO] [stdout] 323daa81e5ab1452ba71b93bcd5f0f7c16f629978ae7cd0935dfd9a6f5c24499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c509518190af37eeb95bcdf83e9a6e8e58f16d5deea6891bf052b11094596086
[INFO] running `Command { std: "docker" "start" "-a" "c509518190af37eeb95bcdf83e9a6e8e58f16d5deea6891bf052b11094596086", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "c509518190af37eeb95bcdf83e9a6e8e58f16d5deea6891bf052b11094596086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c509518190af37eeb95bcdf83e9a6e8e58f16d5deea6891bf052b11094596086", kill_on_drop: false }`
[INFO] [stdout] c509518190af37eeb95bcdf83e9a6e8e58f16d5deea6891bf052b11094596086