[INFO] updating cached repository MovingGauteng/shorty-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MovingGauteng/shorty-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MovingGauteng/shorty-rs" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/MovingGauteng/shorty-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/MovingGauteng/shorty-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MovingGauteng/shorty-rs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/MovingGauteng/shorty-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/MovingGauteng/shorty-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 70c1674a050c0bf8a1c6d1fc3de2a8d52792aa1c
[INFO] sha for GitHub repo MovingGauteng/shorty-rs: 70c1674a050c0bf8a1c6d1fc3de2a8d52792aa1c
[INFO] validating manifest of MovingGauteng/shorty-rs on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MovingGauteng/shorty-rs on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MovingGauteng/shorty-rs
[INFO] finished frobbing MovingGauteng/shorty-rs
[INFO] frobbed toml for MovingGauteng/shorty-rs written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/MovingGauteng/shorty-rs/Cargo.toml
[INFO] started frobbing MovingGauteng/shorty-rs
[INFO] finished frobbing MovingGauteng/shorty-rs
[INFO] frobbed toml for MovingGauteng/shorty-rs written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/MovingGauteng/shorty-rs/Cargo.toml
[INFO] crate MovingGauteng/shorty-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking MovingGauteng/shorty-rs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/MovingGauteng/shorty-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0e25e720d942ee2b9e8dddb71daeb13d45f037cf32bf957f8bffb901419044b5
[INFO] running `"docker" "start" "-a" "0e25e720d942ee2b9e8dddb71daeb13d45f037cf32bf957f8bffb901419044b5"`
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]    Compiling codegen v0.1.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking atty v0.2.12
[INFO] [stderr]    Compiling hyper v0.12.32
[INFO] [stderr]     Checking backtrace-sys v0.1.30
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tls-api v0.1.22
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tower-layer v0.1.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tower-util v0.1.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking h2 v0.1.25
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-connection v0.1.0
[INFO] [stderr]     Checking tower-http-util v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking tower-hyper v0.1.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]     Checking prost-types v0.5.0
[INFO] [stderr]     Checking tower-grpc v0.1.0
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]    Compiling tower-grpc-build v0.1.0
[INFO] [stderr]    Compiling shorty-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `shorty-rs v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/shorty-rs-e6d0a45067af3c0f/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Starting build
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'protobuf compilation failed: Read-only file system (os error 30)', build.rs:13:29
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5623753c141b - backtrace::backtrace::libunwind::trace::h80786597adfabf72
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5623753c141b - backtrace::backtrace::trace_unsynchronized::hcac650387ca20819
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5623753c141b - std::sys_common::backtrace::_print::h1b9354ff68cb5a2b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5623753c141b - std::sys_common::backtrace::print::hee32569be499cf66
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5623753c141b - std::panicking::default_hook::{{closure}}::h57d4a5a18212e6c4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5623753c10f6 - std::panicking::default_hook::h6b5ac8e0c8ee81de
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5623753c1add - std::panicking::rust_panic_with_hook::h087293a0d0382d86
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5623753c1662 - std::panicking::continue_panic_fmt::h5398c0b14056de59
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5623753c15af - std::panicking::begin_panic_fmt::h7ae33c0d0277478f
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x562375208a45 - build_script_build::main::{{closure}}::h3631b8dab3e2e072
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:13
[INFO] [stderr]   10:     0x5623751e5715 - core::result::Result<T,E>::unwrap_or_else::he959da038c236272
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libcore/result.rs:818
[INFO] [stderr]   11:     0x56237520893a - build_script_build::main::h9348cd11d5e11367
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   12:     0x562375226080 - std::rt::lang_start::{{closure}}::hb25bfa649f7ad41f
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x5623753c1533 - std::rt::lang_start_internal::{{closure}}::h1a060554ddace6f7
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x5623753c1533 - std::panicking::try::do_call::h36cfd8d9c1d0d936
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   15:     0x5623753c871a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   16:     0x5623753c1fed - std::panicking::try::h225224763b892cde
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   17:     0x5623753c1fed - std::panic::catch_unwind::h3043ed737cbd6e8e
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   18:     0x5623753c1fed - std::rt::lang_start_internal::h97b8d999a39debed
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x562375226059 - std::rt::lang_start::hfc00f27ab276b8b2
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x562375208a8a - main
[INFO] [stderr]   21:     0x7f25bc3972e1 - __libc_start_main
[INFO] [stderr]   22:     0x5623751e556a - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "0e25e720d942ee2b9e8dddb71daeb13d45f037cf32bf957f8bffb901419044b5"`
[INFO] running `"docker" "rm" "-f" "0e25e720d942ee2b9e8dddb71daeb13d45f037cf32bf957f8bffb901419044b5"`
[INFO] [stdout] 0e25e720d942ee2b9e8dddb71daeb13d45f037cf32bf957f8bffb901419044b5