[INFO] cloning repository https://github.com/rustox/grpc-calculator-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustox/grpc-calculator-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustox%2Fgrpc-calculator-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustox%2Fgrpc-calculator-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8851591c4dfca9b0f76866fc9251ad0ba914b3a
[INFO] documenting rustox/grpc-calculator-example against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustox%2Fgrpc-calculator-example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustox/grpc-calculator-example on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rustox/grpc-calculator-example
[INFO] finished tweaking git repo https://github.com/rustox/grpc-calculator-example
[INFO] tweaked toml for git repo https://github.com/rustox/grpc-calculator-example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rustox/grpc-calculator-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", 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] 1538cdb83bdb35b96cf6c107eca6d801ff7fa99579467c2cb816403d0e6f1a36
[INFO] running `Command { std: "docker" "start" "-a" "1538cdb83bdb35b96cf6c107eca6d801ff7fa99579467c2cb816403d0e6f1a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1538cdb83bdb35b96cf6c107eca6d801ff7fa99579467c2cb816403d0e6f1a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1538cdb83bdb35b96cf6c107eca6d801ff7fa99579467c2cb816403d0e6f1a36", kill_on_drop: false }`
[INFO] [stdout] 1538cdb83bdb35b96cf6c107eca6d801ff7fa99579467c2cb816403d0e6f1a36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTDOCFLAGS=--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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] bb066545dccba3aa8b50494825a6e26c25902465aaebf33bff64751d4e552c0e
[INFO] running `Command { std: "docker" "start" "-a" "bb066545dccba3aa8b50494825a6e26c25902465aaebf33bff64751d4e552c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]     Checking tls-api v0.1.14
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.4.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling walkdir v2.1.3
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking tls-api-stub v0.1.14
[INFO] [stderr]    Compiling protoc v1.4.3
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling grpcio-sys v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking protobuf v1.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]     Checking tokio-executor v0.1.0
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.0
[INFO] [stderr]     Checking tokio v0.1.3
[INFO] [stderr]     Checking tokio-core v0.1.15
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling mktemp v0.3.1
[INFO] [stderr]     Checking tokio-tls-api v0.1.14
[INFO] [stderr]     Checking httpbis v0.4.1
[INFO] [stderr]     Checking grpc v0.2.1
[INFO] [stderr]    Compiling grpcio-compiler v0.2.0
[INFO] [stderr]    Compiling protoc-grpcio v0.1.0
[INFO] [stderr]    Compiling grpc-calculator-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `grpc-calculator-example v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/grpc-calculator-example-18cf246f1466d101/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/proto
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to compile gRPC definitions!: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5623733183b3 - backtrace::backtrace::libunwind::trace::hc601b1c9f5a2fbd1
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.5/src/backtrace/libunwind.rs:53
[INFO] [stderr]                            - backtrace::backtrace::trace::h6d5ea603837e863f
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.5/src/backtrace/mod.rs:42
[INFO] [stderr]      1:     0x5623733152a3 - backtrace::capture::Backtrace::new_unresolved::h991cc164e0e0582e
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.5/src/capture.rs:88
[INFO] [stderr]      2:     0x562373313a75 - failure::backtrace::internal::InternalBacktrace::new::h7cb4c9cf01021bd7
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/backtrace/internal.rs:44
[INFO] [stderr]      3:     0x56237331261c - failure::backtrace::Backtrace::new::h1dc4203f3d46f1d7
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/backtrace/mod.rs:98
[INFO] [stderr]      4:     0x5623732e6467 - <failure::error::Error as core::convert::From<F>>::from::h43d5146fad624a7d
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/error.rs:34
[INFO] [stderr]      5:     0x5623732e296e - <T as core::convert::Into<U>>::into::h1870ec6d5e02ae57
[INFO] [stderr]                           at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/convert/mod.rs:560
[INFO] [stderr]      6:     0x5623732e5a9d - failure::context::Context<D>::with_err::hb77b8bd7ed291ec0
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/context.rs:78
[INFO] [stderr]      7:     0x5623732e2da5 - failure::Fail::context::hce091599c207b893
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/lib.rs:127
[INFO] [stderr]      8:     0x5623732e7905 - <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::{{closure}}::hd4df0353800ac0d0
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/result_ext.rs:32
[INFO] [stderr]      9:     0x5623732e4bb1 - core::result::Result<T,E>::map_err::h9c37fd8d5e725905
[INFO] [stderr]                           at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/result.rs:612
[INFO] [stderr]     10:     0x5623732e527d - <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::h2741b613c9621257
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/result_ext.rs:32
[INFO] [stderr]     11:     0x5623732df4f3 - protoc_grpcio::write_out_generated_files::he16bdfe96f9a6a85
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-0.1.0/src/lib.rs:89
[INFO] [stderr]     12:     0x5623732de6f6 - protoc_grpcio::compile_grpc_protos::h1c1845191d1e2768
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-0.1.0/src/lib.rs:172
[INFO] [stderr]     13:     0x5623732e72e1 - build_script_build::main::hb88157ca6016eb5c
[INFO] [stderr]                           at /opt/rustwide/workdir/build.rs:60
[INFO] [stderr]     14:     0x5623732e25fa - std::rt::lang_start::{{closure}}::hada5fbc0c1a33f59
[INFO] [stderr]                           at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]     15:     0x56237357a062 - std::rt::lang_start_internal::{{closure}}::h5d3ea623498f5f43
[INFO] [stderr]                           at src/libstd/rt.rs:52
[INFO] [stderr]                            - std::panicking::try::do_call::hac65e71be769a440
[INFO] [stderr]                           at src/libstd/panicking.rs:348
[INFO] [stderr]                            - std::panicking::try::hd4706e264bcf6712
[INFO] [stderr]                           at src/libstd/panicking.rs:325
[INFO] [stderr]                            - std::panic::catch_unwind::h948a0fb4a8b3ee82
[INFO] [stderr]                           at src/libstd/panic.rs:394
[INFO] [stderr]                            - std::rt::lang_start_internal::h72cc068ed2d0ac53
[INFO] [stderr]                           at src/libstd/rt.rs:51
[INFO] [stderr]     16:     0x5623732e25d6 - std::rt::lang_start::h89f9be09587fcec3
[INFO] [stderr]                           at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x5623732e7359 - main
[INFO] [stderr]     18:     0x7f02eb95b0b2 - __libc_start_main
[INFO] [stderr]     19:     0x5623732dd1ad - _start
[INFO] [stderr]     20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr]   failed to create "src/proto/calculator_grpc.rs"
[INFO] [stderr] 
[INFO] [stderr]   failed to write generated grpc definitions', build.rs:64:7
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562373576cf5 - backtrace::backtrace::libunwind::trace::h14d338b30b3ea0a7
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x562373576cf5 - backtrace::backtrace::trace_unsynchronized::h73ea91d74a3fd67f
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x562373576cf5 - std::sys_common::backtrace::_print_fmt::hd42948c952866e12
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x562373576cf5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha8f928866ff7571e
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x56237359fe5c - core::fmt::write::he0c1e5f7426d2718
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x562373573c62 - std::io::Write::write_fmt::hf3afc6cfd57d0033
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x562373579650 - std::sys_common::backtrace::_print::hfc0110703f3696fd
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x562373579650 - std::sys_common::backtrace::print::h3f77c6990ddfaa22
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x562373579650 - std::panicking::default_hook::{{closure}}::heae49580a8d62d75
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x56237357939c - std::panicking::default_hook::hecc34e3f729e213c
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x562373579c93 - std::panicking::rust_panic_with_hook::he82f5d0644692441
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x56237357988b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x56237359ddc1 - core::panicking::panic_fmt::h09c929f06bb87c98
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x56237359dbe3 - core::option::expect_none_failed::h188f17af6c9f404b
[INFO] [stderr]                                  at src/libcore/option.rs:1269
[INFO] [stderr]     14:     0x5623732e4496 - core::result::Result<T,E>::expect::ha6a538db687c87c0
[INFO] [stderr]                                  at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/result.rs:963
[INFO] [stderr]     15:     0x5623732e731c - build_script_build::main::hb88157ca6016eb5c
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:60
[INFO] [stderr]     16:     0x5623732e25fb - std::rt::lang_start::{{closure}}::hada5fbc0c1a33f59
[INFO] [stderr]                                  at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x56237357a063 - std::rt::lang_start_internal::{{closure}}::h5d3ea623498f5f43
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x56237357a063 - std::panicking::try::do_call::hac65e71be769a440
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x56237357a063 - std::panicking::try::hd4706e264bcf6712
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x56237357a063 - std::panic::catch_unwind::h948a0fb4a8b3ee82
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x56237357a063 - std::rt::lang_start_internal::h72cc068ed2d0ac53
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x5623732e25d7 - std::rt::lang_start::h89f9be09587fcec3
[INFO] [stderr]                                  at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x5623732e735a - main
[INFO] [stderr]     24:     0x7f02eb95b0b3 - __libc_start_main
[INFO] [stderr]     25:     0x5623732dd1ae - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bb066545dccba3aa8b50494825a6e26c25902465aaebf33bff64751d4e552c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb066545dccba3aa8b50494825a6e26c25902465aaebf33bff64751d4e552c0e", kill_on_drop: false }`
[INFO] [stdout] bb066545dccba3aa8b50494825a6e26c25902465aaebf33bff64751d4e552c0e