[INFO] fetching crate zcash_client_backend 0.4.0...
[INFO] testing zcash_client_backend-0.4.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate zcash_client_backend 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate zcash_client_backend 0.4.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zcash_client_backend 0.4.0
[INFO] finished tweaking crates.io crate zcash_client_backend 0.4.0
[INFO] tweaked toml for crates.io crate zcash_client_backend 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17f1951c274ac30bec12ec9eab87410c8df30205a50b3c3de5f2b631491d8a02
[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" "17f1951c274ac30bec12ec9eab87410c8df30205a50b3c3de5f2b631491d8a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f1951c274ac30bec12ec9eab87410c8df30205a50b3c3de5f2b631491d8a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f1951c274ac30bec12ec9eab87410c8df30205a50b3c3de5f2b631491d8a02", kill_on_drop: false }`
[INFO] [stdout] 17f1951c274ac30bec12ec9eab87410c8df30205a50b3c3de5f2b631491d8a02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c6f8ae7b0673be03a7b39ac74502c7feb44dbc073e14f556a9732d9c6f9bc9e
[INFO] running `Command { std: "docker" "start" "-a" "6c6f8ae7b0673be03a7b39ac74502c7feb44dbc073e14f556a9732d9c6f9bc9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crypto_api v0.2.2
[INFO] [stderr]    Compiling bech32 v0.7.2
[INFO] [stderr]    Compiling blake2s_simd v0.5.10
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling equihash v0.1.0
[INFO] [stderr]    Compiling aes v0.5.0
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.18.0
[INFO] [stderr]    Compiling ff v0.8.0
[INFO] [stderr]    Compiling fpe v0.3.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling crypto_api_chachapoly v0.4.3
[INFO] [stderr]    Compiling group v0.8.0
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling pairing v0.18.0
[INFO] [stderr]    Compiling bls12_381 v0.3.1
[INFO] [stderr]    Compiling zcash_client_backend v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling jubjub v0.5.1
[INFO] [stderr]    Compiling zcash_primitives v0.4.0
[INFO] [stderr] error: failed to run custom build command for `zcash_client_backend v0.4.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/zcash_client_backend-98b9e32cc09cce8a/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Protobuf codegen failed: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:9:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x561760e83b70 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x561760e83b70 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x561760e83b70 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x561760e83b70 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x561760ea37bc - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x561760e81f87 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]      6:     0x561760e85c40 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x561760e85c40 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x561760e85c40 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x561760e8598c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x561760e862a3 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x561760e85e79 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x561760e83ffc - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x561760e85e39 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x561760ea1631 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x561760ea1453 - core::option::expect_none_failed::h448b58a024c2c33a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x561760be0b1f - core::result::Result<T,E>::expect::h65fe94f78c7ecf6a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/result.rs:933
[INFO] [stderr]     17:     0x561760be098c - build_script_build::main::h24e5b24f08c7614f
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4
[INFO] [stderr]     18:     0x561760bdff3b - core::ops::function::FnOnce::call_once::h231472d760e11caf
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x561760be0b5e - std::sys_common::backtrace::__rust_begin_short_backtrace::he8c48d80c230d5ec
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x561760be0a61 - std::rt::lang_start::{{closure}}::h7ceb4787f0b36bbf
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x561760e866a1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x561760e866a1 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]     23:     0x561760e866a1 - std::panicking::try::h6311c259678e50fc
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]     24:     0x561760e866a1 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]     25:     0x561760e866a1 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x561760be0a37 - std::rt::lang_start::h61f46ec437ea9c97
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x561760be09ea - main
[INFO] [stderr]     28:     0x7ff03287d0b3 - __libc_start_main
[INFO] [stderr]     29:     0x561760bdf0be - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6c6f8ae7b0673be03a7b39ac74502c7feb44dbc073e14f556a9732d9c6f9bc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6f8ae7b0673be03a7b39ac74502c7feb44dbc073e14f556a9732d9c6f9bc9e", kill_on_drop: false }`
[INFO] [stdout] 6c6f8ae7b0673be03a7b39ac74502c7feb44dbc073e14f556a9732d9c6f9bc9e
