[INFO] crate arcon_messages 0.1.0 is already in cache
[INFO] checking arcon_messages-0.1.0 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate arcon_messages 0.1.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate arcon_messages 0.1.0 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arcon_messages 0.1.0
[INFO] finished tweaking crates.io crate arcon_messages 0.1.0
[INFO] tweaked toml for crates.io crate arcon_messages 0.1.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bb09f6d7f722d7a565ffab52b62134ea7ac1452521e11a002a62f810593494bf
[INFO] running `"docker" "start" "-a" "bb09f6d7f722d7a565ffab52b62134ea7ac1452521e11a002a62f810593494bf"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking bitfields v0.2.0
[INFO] [stderr]     Checking oncemutex v0.1.1
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]     Checking as_num v0.2.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]     Checking synchronoise v0.4.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking spaniel v0.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking executors v0.4.4
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling protoc-rust v2.8.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling arcon_messages v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `arcon_messages v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/arcon_messages-8bdaeee3dddf9e08/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" }', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x560454ee3424 - backtrace::backtrace::libunwind::trace::h837858cfeddf7a26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x560454ee3424 - backtrace::backtrace::trace_unsynchronized::hf450b231b66758d5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x560454ee3424 - std::sys_common::backtrace::_print_fmt::h368e3c833d23dd1d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x560454ee3424 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h99a560994a9a8770
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x560454f080fc - core::fmt::write::h331a8aee5b7f3512
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x560454ee06e7 - std::io::Write::write_fmt::hf05660e3e7df1eca
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x560454ee5e05 - std::sys_common::backtrace::_print::h2a131efc4c0ac3fa
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x560454ee5e05 - std::sys_common::backtrace::print::h983d88dd719c12ff
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x560454ee5e05 - std::panicking::default_hook::{{closure}}::h663d5da304a5132f
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x560454ee5af6 - std::panicking::default_hook::hf37841c3986e6801
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x560454ee6455 - std::panicking::rust_panic_with_hook::hb2227d83b88686af
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x560454ee5ff2 - std::panicking::continue_panic_fmt::h8dcb675c0adec47c
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x560454ee5ee6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:307
[INFO] [stderr]   13:     0x560454f0450a - core::panicking::panic_fmt::h34237ab75d721bef
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x560454f04607 - core::result::unwrap_failed::h73569ff13c30ae81
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x560454bd0139 - core::result::Result<T,E>::expect::h1c8b252430642ba8
[INFO] [stderr]                                at /rustc/4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb/src/libcore/result.rs:960
[INFO] [stderr]   16:     0x560454bcffae - build_script_build::main::he9632e2027955485
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:13
[INFO] [stderr]   17:     0x560454bd05c0 - std::rt::lang_start::{{closure}}::habfb35642756955d
[INFO] [stderr]                                at /rustc/4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x560454ee5ed3 - std::rt::lang_start_internal::{{closure}}::hcbc0d39047dfb53e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x560454ee5ed3 - std::panicking::try::do_call::h8b5ef32d822a8d8f
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   20:     0x560454eecf9a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x560454ee694d - std::panicking::try::h9b6fb4e6a40ce0cb
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   22:     0x560454ee694d - std::panic::catch_unwind::h2fbf9b8ead8e504a
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x560454ee694d - std::rt::lang_start_internal::hb6581c1f21bf501d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x560454bd0599 - std::rt::lang_start::h7738846d8f3accc8
[INFO] [stderr]                                at /rustc/4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x560454bd002a - main
[INFO] [stderr]   26:     0x7f57c0a11b97 - __libc_start_main
[INFO] [stderr]   27:     0x560454bcfbea - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bb09f6d7f722d7a565ffab52b62134ea7ac1452521e11a002a62f810593494bf"`
[INFO] running `"docker" "rm" "-f" "bb09f6d7f722d7a565ffab52b62134ea7ac1452521e11a002a62f810593494bf"`
[INFO] [stdout] bb09f6d7f722d7a565ffab52b62134ea7ac1452521e11a002a62f810593494bf