[INFO] fetching crate zcash_client_backend 0.2.0...
[INFO] checking zcash_client_backend-0.2.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate zcash_client_backend 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zcash_client_backend 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zcash_client_backend 0.2.0
[INFO] finished tweaking crates.io crate zcash_client_backend 0.2.0
[INFO] tweaked toml for crates.io crate zcash_client_backend 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e83eab7f39f77daf29fc044b6326f3b41b3ce5336317c5f40d49923edb89c21
[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" "9e83eab7f39f77daf29fc044b6326f3b41b3ce5336317c5f40d49923edb89c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e83eab7f39f77daf29fc044b6326f3b41b3ce5336317c5f40d49923edb89c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e83eab7f39f77daf29fc044b6326f3b41b3ce5336317c5f40d49923edb89c21", kill_on_drop: false }`
[INFO] [stdout] 9e83eab7f39f77daf29fc044b6326f3b41b3ce5336317c5f40d49923edb89c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2cebbbd7b9eec2c0b6ceb54e54f5ec14485b5e21a666aed3e26e31d34dc37ee
[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" "b2cebbbd7b9eec2c0b6ceb54e54f5ec14485b5e21a666aed3e26e31d34dc37ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling protobuf v2.17.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking crypto_api v0.2.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking crypto_api_chachapoly v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking fpe v0.2.0
[INFO] [stderr]    Compiling ff_derive v0.6.0
[INFO] [stderr]    Compiling protobuf-codegen v2.17.0
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.17.0
[INFO] [stderr]     Checking ff v0.6.0
[INFO] [stderr]     Checking group v0.6.0
[INFO] [stderr]     Checking pairing v0.16.0
[INFO] [stderr]     Checking zcash_primitives v0.2.0
[INFO] [stderr]    Compiling zcash_client_backend v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'protobuf_codegen_pure::run': Use Codegen instead
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     protobuf_codegen_pure::run(protobuf_codegen_pure::Args {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'protobuf_codegen_pure::Args': Use Codegen object instead
[INFO] [stdout]  --> build.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     protobuf_codegen_pure::run(protobuf_codegen_pure::Args {
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'protobuf_codegen_pure::Args::out_dir': Use Codegen object instead
[INFO] [stdout]  --> build.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         out_dir: "src/proto",
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'protobuf_codegen_pure::Args::input': Use Codegen object instead
[INFO] [stdout]  --> build.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         input: &["proto/compact_formats.proto"],
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'protobuf_codegen_pure::Args::includes': Use Codegen object instead
[INFO] [stdout]  --> build.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         includes: &["proto"],
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'protobuf_codegen_pure::Args::customize': Use Codegen object instead
[INFO] [stdout]  --> build.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         customize: Default::default(),
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `zcash_client_backend v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/zcash_client_backend-33d6838d33ef638d/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:10:6
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55c7780421a5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55c7780421a5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55c7780421a5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55c7780421a5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55c77806619c - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55c778040442 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x55c7780445e0 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55c7780445e0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55c7780445e0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55c77804432c - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55c778044c23 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55c77804481b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55c778064101 - core::panicking::panic_fmt::h17139c2000299725
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x55c778063f23 - core::option::expect_none_failed::h972f96abb4ec8952
[INFO] [stderr]                                  at src/libcore/option.rs:1269
[INFO] [stderr]     14:     0x55c777da92cf - core::result::Result<T,E>::expect::h79c24cd3bb67cf79
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/result.rs:963
[INFO] [stderr]     15:     0x55c777da93c5 - build_script_build::main::h7160c676fa5dea3f
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4
[INFO] [stderr]     16:     0x55c777da94ab - std::rt::lang_start::{{closure}}::h413d3eb82417a915
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x55c778044ff3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x55c778044ff3 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x55c778044ff3 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x55c778044ff3 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x55c778044ff3 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x55c777da9487 - std::rt::lang_start::h9dcefde7d1512d41
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x55c777da93fa - main
[INFO] [stderr]     24:     0x7fb037a4e0b3 - __libc_start_main
[INFO] [stderr]     25:     0x55c777da918e - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b2cebbbd7b9eec2c0b6ceb54e54f5ec14485b5e21a666aed3e26e31d34dc37ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2cebbbd7b9eec2c0b6ceb54e54f5ec14485b5e21a666aed3e26e31d34dc37ee", kill_on_drop: false }`
[INFO] [stdout] b2cebbbd7b9eec2c0b6ceb54e54f5ec14485b5e21a666aed3e26e31d34dc37ee
