[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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/cholcombe973/mjolnir_grafana"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/cholcombe973/mjolnir_grafana'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cholcombe973/mjolnir_grafana" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/cholcombe973/mjolnir_grafana"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cholcombe973/mjolnir_grafana on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/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-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cholcombe973/mjolnir_grafana against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-4/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 84570ca8f7a2034f4fb02f22db172bbd0ee13be35c53c1808de541a3d10a5023
[INFO] running `"docker" "start" "-a" "84570ca8f7a2034f4fb02f22db172bbd0ee13be35c53c1808de541a3d10a5023"`
[INFO] [stderr]    Compiling protobuf v1.7.4
[INFO] [stderr]    Compiling protoc v1.7.4
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling tempdir v0.3.7
[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-21f9239f28e8aa33/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:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5580c9460bab - backtrace::backtrace::libunwind::trace::h070e7f82042bca1a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5580c9460bab - backtrace::backtrace::trace_unsynchronized::he13049b85698ba8d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5580c9460bab - std::sys_common::backtrace::_print::h634e2ea8248267c1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5580c9460bab - std::sys_common::backtrace::print::h5d5de2cf218c89a7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5580c9460bab - std::panicking::default_hook::{{closure}}::h43b79773c0c0f232
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x5580c94608ac - std::panicking::default_hook::h53bc9afd22fb35b5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x5580c9461270 - std::panicking::rust_panic_with_hook::h49c2fb11d2e8b48c
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x5580c9460df2 - std::panicking::continue_panic_fmt::hd6697de49ab68f09
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x5580c9460cd6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x5580c947ea5d - core::panicking::panic_fmt::h565d885a643ab2b5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5580c9441758 - core::result::unwrap_failed::h21cbc52da1b275af
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x5580c91961f7 - core::result::Result<T,E>::expect::he41eb06de72fedda
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libcore/result.rs:827
[INFO] [stderr]   12:     0x5580c919628c - build_script_build::main::h263946abe6241ea4
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/mjolnir-b48ed57251170b8b/3753e53/mjolnir-api/build.rs:4
[INFO] [stderr]   13:     0x5580c9195f70 - std::rt::lang_start::{{closure}}::h29f7b6e8308b3086
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5580c9460cc3 - std::rt::lang_start_internal::{{closure}}::h3433d02b763cc1cc
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5580c9460cc3 - std::panicking::try::do_call::h1bd2814d0b730969
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   16:     0x5580c946820a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x5580c946177d - std::panicking::try::hf899646d63b90b29
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   18:     0x5580c946177d - std::panic::catch_unwind::ha1af529349fbe3dc
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x5580c946177d - std::rt::lang_start_internal::he5b58aa1d492830f
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5580c9195f49 - std::rt::lang_start::hb0444a46dd07c861
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5580c91962ca - main
[INFO] [stderr]   22:     0x7f4ac15b02e1 - __libc_start_main
[INFO] [stderr]   23:     0x5580c9195dea - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "84570ca8f7a2034f4fb02f22db172bbd0ee13be35c53c1808de541a3d10a5023"`
[INFO] running `"docker" "rm" "-f" "84570ca8f7a2034f4fb02f22db172bbd0ee13be35c53c1808de541a3d10a5023"`
[INFO] [stdout] 84570ca8f7a2034f4fb02f22db172bbd0ee13be35c53c1808de541a3d10a5023