[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 master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6262fc7f1d0321dc0dc1547707ea3c89e20cbbafc45ee731a5b07c7f8461dae1
[INFO] running `"docker" "start" "-a" "6262fc7f1d0321dc0dc1547707ea3c89e20cbbafc45ee731a5b07c7f8461dae1"`
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling hyper v0.12.32
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]     Checking tls-api v0.1.22
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tower-layer v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking tower-util v0.1.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking textnonce v0.6.5
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking http-connection v0.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tower-http-util v0.1.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]     Checking tower-hyper v0.1.0
[INFO] [stderr]     Checking tower-grpc v0.1.0
[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-83194668ae26776b/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:     0x5595a7f8f1bb - backtrace::backtrace::libunwind::trace::h88d9499c2d7e1dbc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5595a7f8f1bb - backtrace::backtrace::trace_unsynchronized::h64df3798ffaf338f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5595a7f8f1bb - std::sys_common::backtrace::_print::h549f3692f8d3f393
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5595a7f8f1bb - std::sys_common::backtrace::print::h037f1d7e6e0e94de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5595a7f8f1bb - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5595a7f8ee96 - std::panicking::default_hook::hdb7c9c6632585072
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5595a7f8f87d - std::panicking::rust_panic_with_hook::h906f2b0ace338868
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5595a7f8f402 - std::panicking::continue_panic_fmt::h3597c4d7a66a7e7b
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5595a7f8f34f - std::panicking::begin_panic_fmt::hbfeb66fdd1fe6f8b
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x5595a7dd7c55 - build_script_build::main::{{closure}}::h797ce807057caeb3
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:13
[INFO] [stderr]   10:     0x5595a7db4925 - core::result::Result<T,E>::unwrap_or_else::h5af9be13d884f103
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libcore/result.rs:818
[INFO] [stderr]   11:     0x5595a7dd7b4a - build_script_build::main::hb52609ebf233d00d
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:9
[INFO] [stderr]   12:     0x5595a7df5290 - std::rt::lang_start::{{closure}}::h5b6e6d2e12b162a5
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x5595a7f8f2d3 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x5595a7f8f2d3 - std::panicking::try::do_call::hfbd18154d6e81e0d
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   15:     0x5595a7f964ba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   16:     0x5595a7f8fd8d - std::panicking::try::h9cb4b237371abf81
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   17:     0x5595a7f8fd8d - std::panic::catch_unwind::hd403853a39b4e3c9
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   18:     0x5595a7f8fd8d - std::rt::lang_start_internal::h7e5e162b169a1510
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x5595a7df5269 - std::rt::lang_start::hbdbe4594dbe821d0
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x5595a7dd7c9a - main
[INFO] [stderr]   21:     0x7f2b1b5202e1 - __libc_start_main
[INFO] [stderr]   22:     0x5595a7db477a - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "6262fc7f1d0321dc0dc1547707ea3c89e20cbbafc45ee731a5b07c7f8461dae1"`
[INFO] running `"docker" "rm" "-f" "6262fc7f1d0321dc0dc1547707ea3c89e20cbbafc45ee731a5b07c7f8461dae1"`
[INFO] [stdout] 6262fc7f1d0321dc0dc1547707ea3c89e20cbbafc45ee731a5b07c7f8461dae1