[INFO] crate sysadmin-bindings 2.1.0 is already in cache
[INFO] extracting crate sysadmin-bindings 2.1.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/sysadmin-bindings/2.1.0
[INFO] extracting crate sysadmin-bindings 2.1.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/sysadmin-bindings/2.1.0
[INFO] validating manifest of sysadmin-bindings-2.1.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sysadmin-bindings-2.1.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sysadmin-bindings-2.1.0
[INFO] finished frobbing sysadmin-bindings-2.1.0
[INFO] frobbed toml for sysadmin-bindings-2.1.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/sysadmin-bindings/2.1.0/Cargo.toml
[INFO] started frobbing sysadmin-bindings-2.1.0
[INFO] finished frobbing sysadmin-bindings-2.1.0
[INFO] frobbed toml for sysadmin-bindings-2.1.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/sysadmin-bindings/2.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sysadmin-bindings-2.1.0 against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/sysadmin-bindings/2.1.0:/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df4c4377d51c2c08a503e333be6a6fd0229718f27dd04543688559d319d54828
[INFO] running `"docker" "start" "-a" "df4c4377d51c2c08a503e333be6a6fd0229718f27dd04543688559d319d54828"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling protobuf v1.4.5
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling protoc v1.7.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling protoc-rust v1.4.5
[INFO] [stderr]    Compiling sysadmin-bindings v2.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `sysadmin-bindings v2.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/sysadmin-bindings-1b451956e6338ade/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] current dir: "/opt/crater/workdir"
[INFO] [stderr] "cratesfyi" found in path: false
[INFO] [stderr] systemctl.rs path: "/opt/crater/workdir/src/sysadminctl.rs"
[INFO] [stderr] systemctl.rs exists:  true
[INFO] [stderr] This doesn't look like "cargo doc" so any panics will be unwound.
[INFO] [stderr] Panics encountered!
[INFO] [stderr] 
[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:     0x55ddd0e37d5b - backtrace::backtrace::libunwind::trace::h223ecf9e25ea61ed
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55ddd0e37d5b - backtrace::backtrace::trace_unsynchronized::h19c402a6233e597e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ddd0e37d5b - std::sys_common::backtrace::_print::h14947081e8315ba5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55ddd0e37d5b - std::sys_common::backtrace::print::h87cad3f0b50b59c5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55ddd0e37d5b - std::panicking::default_hook::{{closure}}::h497a714df189bd9d
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55ddd0e37a36 - std::panicking::default_hook::h8dc4a117b759bd96
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55ddd0e3847d - std::panicking::rust_panic_with_hook::h4cbf0f096b75f262
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55ddd0e38002 - std::panicking::continue_panic_fmt::hbfbfc57925685348
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55ddd0e37ee6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55ddd0e558ad - core::panicking::panic_fmt::h011c5c8794bf0cc5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55ddd0e559a7 - core::result::unwrap_failed::hcd7c37294cdf213e
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x55ddd0b741c9 - core::result::Result<T,E>::expect::h0fbd269afffe3ea9
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libcore/result.rs:879
[INFO] [stderr]   12:     0x55ddd0b72441 - build_script_build::main::{{closure}}::h557e185e001695c6
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:59
[INFO] [stderr]   13:     0x55ddd0b73989 - std::panicking::try::do_call::hcd52c911fb264f8c
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/panicking.rs:296
[INFO] [stderr]   14:     0x55ddd0e3f06a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   15:     0x55ddd0b737e9 - std::panicking::try::h00e504e267792096
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/panicking.rs:275
[INFO] [stderr]   16:     0x55ddd0b73192 - std::panic::catch_unwind::hf835f18f869cf0b2
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/panic.rs:394
[INFO] [stderr]   17:     0x55ddd0b71f80 - build_script_build::main::h717f009b7f4f2756
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:58
[INFO] [stderr]   18:     0x55ddd0b72d60 - std::rt::lang_start::{{closure}}::h1c109564c63d35a1
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x55ddd0e37ed3 - std::rt::lang_start_internal::{{closure}}::hb2a68345cd4d50f8
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   20:     0x55ddd0e37ed3 - std::panicking::try::do_call::ha4d88255f4a68d08
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   21:     0x55ddd0e3f06a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   22:     0x55ddd0e38a4d - std::panicking::try::h6debac9988c5415d
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   23:     0x55ddd0e38a4d - std::panic::catch_unwind::h4659dbf6316a9c8d
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   24:     0x55ddd0e38a4d - std::rt::lang_start_internal::hdadab8536edf34fe
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   25:     0x55ddd0b72d39 - std::rt::lang_start::hc36974b304fadfe7
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/rt.rs:64
[INFO] [stderr]   26:     0x55ddd0b7247a - main
[INFO] [stderr]   27:     0x7f5370bba2e1 - __libc_start_main
[INFO] [stderr]   28:     0x55ddd0b7182a - _start
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "df4c4377d51c2c08a503e333be6a6fd0229718f27dd04543688559d319d54828"`
[INFO] running `"docker" "rm" "-f" "df4c4377d51c2c08a503e333be6a6fd0229718f27dd04543688559d319d54828"`
[INFO] [stdout] df4c4377d51c2c08a503e333be6a6fd0229718f27dd04543688559d319d54828