[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] checking rustox/grpc-calculator-example against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustox%2Fgrpc-calculator-example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustox/grpc-calculator-example on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-0/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tls-api-stub v0.1.14
[INFO] [stderr]   Downloaded protoc-grpcio v0.1.0
[INFO] [stderr]   Downloaded grpcio v0.2.1
[INFO] [stderr]   Downloaded tls-api v0.1.14
[INFO] [stderr]   Downloaded tokio-tls-api v0.1.14
[INFO] [stderr]   Downloaded grpcio-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 071a644b733e9664313f4c9f7d7b097e9323dfca4035bebfb2f878bca5851b70
[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" "071a644b733e9664313f4c9f7d7b097e9323dfca4035bebfb2f878bca5851b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "071a644b733e9664313f4c9f7d7b097e9323dfca4035bebfb2f878bca5851b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071a644b733e9664313f4c9f7d7b097e9323dfca4035bebfb2f878bca5851b70", kill_on_drop: false }`
[INFO] [stdout] 071a644b733e9664313f4c9f7d7b097e9323dfca4035bebfb2f878bca5851b70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbf191095bf2e2c74889c8a86b1218d344290649b3aec2e33eae0be126659f91
[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" "fbf191095bf2e2c74889c8a86b1218d344290649b3aec2e33eae0be126659f91", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling rustc-demangle v0.1.6
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling walkdir v2.1.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tls-api v0.1.14
[INFO] [stderr]    Compiling protoc v1.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.4.0
[INFO] [stderr]     Checking tls-api-stub v0.1.14
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling grpcio-sys v0.2.1
[INFO] [stderr]     Checking protobuf v1.4.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling uuid v0.1.18
[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]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.0
[INFO] [stderr]    Compiling mktemp v0.3.1
[INFO] [stderr]     Checking tokio-reactor v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking tokio v0.1.3
[INFO] [stderr]     Checking tokio-core v0.1.15
[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 backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[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-d77b9988cde01f6d/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:     0x563aefaaf3c3 - backtrace::backtrace::libunwind::trace::h2b52d601248b480c
[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::hc1e766a4cdb05918
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.5/src/backtrace/mod.rs:42
[INFO] [stderr]      1:     0x563aefaab9d3 - backtrace::capture::Backtrace::new_unresolved::h264f3e2d6335c660
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.5/src/capture.rs:88
[INFO] [stderr]      2:     0x563aefaaa1a5 - failure::backtrace::internal::InternalBacktrace::new::h67683c2a6e1a2b11
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/backtrace/internal.rs:44
[INFO] [stderr]      3:     0x563aefaa8d4c - failure::backtrace::Backtrace::new::h585c8b0516a06cc3
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/backtrace/mod.rs:98
[INFO] [stderr]      4:     0x563aefa77f77 - <failure::error::Error as core::convert::From<F>>::from::h3017c973bd95e5d5
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/error.rs:34
[INFO] [stderr]      5:     0x563aefa7491e - <T as core::convert::Into<U>>::into::habc042cc757a1e17
[INFO] [stderr]                           at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/convert/mod.rs:563
[INFO] [stderr]      6:     0x563aefa77a9d - failure::context::Context<D>::with_err::h8c267a3144071c84
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/context.rs:78
[INFO] [stderr]      7:     0x563aefa74d15 - failure::Fail::context::h2a29419c01511ec5
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/lib.rs:127
[INFO] [stderr]      8:     0x563aefa791a5 - <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::{{closure}}::h7451ded8c63b8473
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/result_ext.rs:32
[INFO] [stderr]      9:     0x563aefa76771 - core::result::Result<T,E>::map_err::h40fd60e8c6aa4a14
[INFO] [stderr]                           at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/result.rs:612
[INFO] [stderr]     10:     0x563aefa771fd - <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::h8f0a3175ba754f77
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.1/src/result_ext.rs:32
[INFO] [stderr]     11:     0x563aefa714f3 - protoc_grpcio::write_out_generated_files::he53b0531f960c605
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-0.1.0/src/lib.rs:89
[INFO] [stderr]     12:     0x563aefa706f6 - protoc_grpcio::compile_grpc_protos::ha982118a692783a7
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-0.1.0/src/lib.rs:172
[INFO] [stderr]     13:     0x563aefa79471 - build_script_build::main::hbde7d91663cb38fa
[INFO] [stderr]                           at /opt/rustwide/workdir/build.rs:60
[INFO] [stderr]     14:     0x563aefa7424a - std::rt::lang_start::{{closure}}::h04716e9c13979a38
[INFO] [stderr]                           at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67
[INFO] [stderr]     15:     0x563aefd10af2 - std::rt::lang_start_internal::{{closure}}::hb14aa68a79b4eb09
[INFO] [stderr]                           at library/std/src/rt.rs:52
[INFO] [stderr]                            - std::panicking::try::do_call::haffb1227d43d77f1
[INFO] [stderr]                           at library/std/src/panicking.rs:348
[INFO] [stderr]                            - std::panicking::try::hc085bbb3f48e6fb0
[INFO] [stderr]                           at library/std/src/panicking.rs:325
[INFO] [stderr]                            - std::panic::catch_unwind::h0d91c438fed06f5e
[INFO] [stderr]                           at library/std/src/panic.rs:394
[INFO] [stderr]                            - std::rt::lang_start_internal::h9a2f79aa5e187e95
[INFO] [stderr]                           at library/std/src/rt.rs:51
[INFO] [stderr]     16:     0x563aefa74226 - std::rt::lang_start::h5cb4161454c525c9
[INFO] [stderr]                           at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67
[INFO] [stderr]     17:     0x563aefa794e9 - main
[INFO] [stderr]     18:     0x7f01c289e0b2 - __libc_start_main
[INFO] [stderr]     19:     0x563aefa6f1ad - _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:     0x563aefd0d785 - backtrace::backtrace::libunwind::trace::hdc42e81315d2a69f
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x563aefd0d785 - backtrace::backtrace::trace_unsynchronized::hc9edcf4d4fb0b42d
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x563aefd0d785 - std::sys_common::backtrace::_print_fmt::hb93b171b1042fa52
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x563aefd0d785 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h589f1bf1cf74dd71
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x563aefd363ec - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x563aefd0a6e2 - std::io::Write::write_fmt::hbbad3ca30e02a58a
[INFO] [stderr]                                  at library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x563aefd100e0 - std::sys_common::backtrace::_print::h96b2d71887f0b186
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x563aefd100e0 - std::sys_common::backtrace::print::h6cd6e92e674a16a4
[INFO] [stderr]                                  at library/std/src/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x563aefd100e0 - std::panicking::default_hook::{{closure}}::h76820e280a7c9f14
[INFO] [stderr]                                  at library/std/src/panicking.rs:198
[INFO] [stderr]      9:     0x563aefd0fe2c - std::panicking::default_hook::h3c589b4200c4e9d0
[INFO] [stderr]                                  at library/std/src/panicking.rs:217
[INFO] [stderr]     10:     0x563aefd10723 - std::panicking::rust_panic_with_hook::h99205632f2cac760
[INFO] [stderr]                                  at library/std/src/panicking.rs:526
[INFO] [stderr]     11:     0x563aefd1031b - rust_begin_unwind
[INFO] [stderr]                                  at library/std/src/panicking.rs:437
[INFO] [stderr]     12:     0x563aefd34351 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at library/core/src/panicking.rs:85
[INFO] [stderr]     13:     0x563aefd34173 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at library/core/src/option.rs:1273
[INFO] [stderr]     14:     0x563aefa76496 - core::result::Result<T,E>::expect::hff2b3a1663a4d665
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/core/src/result.rs:963
[INFO] [stderr]     15:     0x563aefa794ac - build_script_build::main::hbde7d91663cb38fa
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:60
[INFO] [stderr]     16:     0x563aefa7424b - std::rt::lang_start::{{closure}}::h04716e9c13979a38
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67
[INFO] [stderr]     17:     0x563aefd10af3 - std::rt::lang_start_internal::{{closure}}::hb14aa68a79b4eb09
[INFO] [stderr]                                  at library/std/src/rt.rs:52
[INFO] [stderr]     18:     0x563aefd10af3 - std::panicking::try::do_call::haffb1227d43d77f1
[INFO] [stderr]                                  at library/std/src/panicking.rs:348
[INFO] [stderr]     19:     0x563aefd10af3 - std::panicking::try::hc085bbb3f48e6fb0
[INFO] [stderr]                                  at library/std/src/panicking.rs:325
[INFO] [stderr]     20:     0x563aefd10af3 - std::panic::catch_unwind::h0d91c438fed06f5e
[INFO] [stderr]                                  at library/std/src/panic.rs:394
[INFO] [stderr]     21:     0x563aefd10af3 - std::rt::lang_start_internal::h9a2f79aa5e187e95
[INFO] [stderr]                                  at library/std/src/rt.rs:51
[INFO] [stderr]     22:     0x563aefa74227 - std::rt::lang_start::h5cb4161454c525c9
[INFO] [stderr]                                  at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67
[INFO] [stderr]     23:     0x563aefa794ea - main
[INFO] [stderr]     24:     0x7f01c289e0b3 - __libc_start_main
[INFO] [stderr]     25:     0x563aefa6f1ae - _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" "fbf191095bf2e2c74889c8a86b1218d344290649b3aec2e33eae0be126659f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf191095bf2e2c74889c8a86b1218d344290649b3aec2e33eae0be126659f91", kill_on_drop: false }`
[INFO] [stdout] fbf191095bf2e2c74889c8a86b1218d344290649b3aec2e33eae0be126659f91