[INFO] updating cached repository cholcombe973/mjolnir_grafana
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cholcombe973/mjolnir_grafana
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cholcombe973/mjolnir_grafana" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/cholcombe973/mjolnir_grafana"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/cholcombe973/mjolnir_grafana'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cholcombe973/mjolnir_grafana" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/cholcombe973/mjolnir_grafana"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/cholcombe973/mjolnir_grafana'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a39b7114eeb797abe7d8651f40e260bfd9e2a48d
[INFO] sha for GitHub repo cholcombe973/mjolnir_grafana: a39b7114eeb797abe7d8651f40e260bfd9e2a48d
[INFO] validating manifest of cholcombe973/mjolnir_grafana on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cholcombe973/mjolnir_grafana on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cholcombe973/mjolnir_grafana
[INFO] finished frobbing cholcombe973/mjolnir_grafana
[INFO] frobbed toml for cholcombe973/mjolnir_grafana written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/cholcombe973/mjolnir_grafana/Cargo.toml
[INFO] started frobbing cholcombe973/mjolnir_grafana
[INFO] finished frobbing cholcombe973/mjolnir_grafana
[INFO] frobbed toml for cholcombe973/mjolnir_grafana written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/cholcombe973/mjolnir_grafana/Cargo.toml
[INFO] crate cholcombe973/mjolnir_grafana already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cholcombe973/mjolnir_grafana against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/cholcombe973/mjolnir_grafana:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e314a37fc782fac1d5719f9cd79ca2cc5a34c7ef3954982daf86f2a621005270
[INFO] running `"docker" "start" "-a" "e314a37fc782fac1d5719f9cd79ca2cc5a34c7ef3954982daf86f2a621005270"`
[INFO] [stderr]    Compiling protobuf v1.7.4
[INFO] [stderr]    Compiling protoc v1.7.4
[INFO] [stderr]    Compiling protoc-rust v1.7.4
[INFO] [stderr]    Compiling mjolnir-api v0.2.0 (https://github.com/ChrisMacNaughton/Mjolnir.git#3753e53b)
[INFO] [stderr] error: failed to run custom build command for `mjolnir-api v0.2.0 (https://github.com/ChrisMacNaughton/Mjolnir.git#3753e53b)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mjolnir-api-511275c1cf3d5ee6/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:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5599fed69ddb - backtrace::backtrace::libunwind::trace::h5d27dcba3b250cfe
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5599fed69ddb - backtrace::backtrace::trace_unsynchronized::h239341a8b1cadbab
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5599fed69ddb - std::sys_common::backtrace::_print::hb0e5dd39180a1838
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5599fed69ddb - std::sys_common::backtrace::print::h9b385b2285f057b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5599fed69ddb - std::panicking::default_hook::{{closure}}::he3310a15a78966b4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5599fed69ab6 - std::panicking::default_hook::h2986f418df62eff4
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5599fed6a49d - std::panicking::rust_panic_with_hook::h15065386631d2a9d
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5599fed6a022 - std::panicking::continue_panic_fmt::h5e7761875fda3864
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5599fed69f06 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x5599fed876ed - core::panicking::panic_fmt::ha57541b4d360b196
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5599fed877e7 - core::result::unwrap_failed::h30a7262287ea7c1e
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x5599feaa5cc9 - core::result::Result<T,E>::expect::hea28e25ca7d2d0ec
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libcore/result.rs:879
[INFO] [stderr]   12:     0x5599feaa5f0c - build_script_build::main::h9738dc940d37fe16
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/mjolnir-b48ed57251170b8b/3753e53/mjolnir-api/build.rs:4
[INFO] [stderr]   13:     0x5599feaa5bf0 - std::rt::lang_start::{{closure}}::he4951d7a9c1b23b0
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5599fed69ef3 - std::rt::lang_start_internal::{{closure}}::hbf4603a1e6e1424d
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5599fed69ef3 - std::panicking::try::do_call::h7642e0de797eeae0
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x5599fed70f7a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x5599fed6a9ad - std::panicking::try::h17f145530f8b5a3f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x5599fed6a9ad - std::panic::catch_unwind::hcee1b9b07ea0f9dc
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x5599fed6a9ad - std::rt::lang_start_internal::h82d44298f58b2cfd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5599feaa5bc9 - std::rt::lang_start::hdd8f0d1942caa019
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5599feaa5f4a - main
[INFO] [stderr]   22:     0x7f0aaf8db2e1 - __libc_start_main
[INFO] [stderr]   23:     0x5599feaa5a6a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "e314a37fc782fac1d5719f9cd79ca2cc5a34c7ef3954982daf86f2a621005270"`
[INFO] running `"docker" "rm" "-f" "e314a37fc782fac1d5719f9cd79ca2cc5a34c7ef3954982daf86f2a621005270"`
[INFO] [stdout] e314a37fc782fac1d5719f9cd79ca2cc5a34c7ef3954982daf86f2a621005270