[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 master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e37d7964a0f82337456dd3e9548ebc9a426911131cfe0e3d2face2a845e3fdb5
[INFO] running `"docker" "start" "-a" "e37d7964a0f82337456dd3e9548ebc9a426911131cfe0e3d2face2a845e3fdb5"`
[INFO] [stderr]    Compiling protobuf v1.4.5
[INFO] [stderr]     Checking byteorder v1.2.7
[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-a89d51e416b52a1f/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:     0x56505730dd5b - backtrace::backtrace::libunwind::trace::h99e6362fdb92a8eb
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x56505730dd5b - backtrace::backtrace::trace_unsynchronized::hb03857eb223d1e1b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x56505730dd5b - std::sys_common::backtrace::_print::hc504093b15dd6a49
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x56505730dd5b - std::sys_common::backtrace::print::h74592d8df46164e6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x56505730dd5b - std::panicking::default_hook::{{closure}}::h148953d9747d04f4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x56505730da36 - std::panicking::default_hook::h72a253311e200c7c
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x56505730e47d - std::panicking::rust_panic_with_hook::h625fcf59e672b6a0
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x56505730e002 - std::panicking::continue_panic_fmt::hb865580971245aec
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x56505730dee6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x56505732b8ad - core::panicking::panic_fmt::h88ab02319bb01bbf
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x56505732b9a7 - core::result::unwrap_failed::hcd16c30e39593715
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x56505704a1c9 - core::result::Result<T,E>::expect::h61e8cb43201a28d8
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libcore/result.rs:879
[INFO] [stderr]   12:     0x565057048441 - build_script_build::main::{{closure}}::h35eeb02ae89b5687
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:59
[INFO] [stderr]   13:     0x565057049989 - std::panicking::try::do_call::hbf31c00cecd41da7
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/panicking.rs:296
[INFO] [stderr]   14:     0x56505731506a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   15:     0x5650570497e9 - std::panicking::try::hf7bbe3be7e8a0ecc
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/panicking.rs:275
[INFO] [stderr]   16:     0x565057049192 - std::panic::catch_unwind::h0e1438bd7465cf9e
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/panic.rs:394
[INFO] [stderr]   17:     0x565057047f80 - build_script_build::main::ha05de73287f18e5f
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:58
[INFO] [stderr]   18:     0x565057048d60 - std::rt::lang_start::{{closure}}::h1826563a64551851
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x56505730ded3 - std::rt::lang_start_internal::{{closure}}::h5b4ccd53e4167b89
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   20:     0x56505730ded3 - std::panicking::try::do_call::h85f9b79f07affa28
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   21:     0x56505731506a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   22:     0x56505730ea4d - std::panicking::try::h0463127fe79abe73
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   23:     0x56505730ea4d - std::panic::catch_unwind::h846bfd7d9d99e56b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   24:     0x56505730ea4d - std::rt::lang_start_internal::h0a72d627fb2e90ec
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   25:     0x565057048d39 - std::rt::lang_start::h62ec43f3d527c6df
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   26:     0x56505704847a - main
[INFO] [stderr]   27:     0x7f94cc01a2e1 - __libc_start_main
[INFO] [stderr]   28:     0x56505704782a - _start
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "e37d7964a0f82337456dd3e9548ebc9a426911131cfe0e3d2face2a845e3fdb5"`
[INFO] running `"docker" "rm" "-f" "e37d7964a0f82337456dd3e9548ebc9a426911131cfe0e3d2face2a845e3fdb5"`
[INFO] [stdout] e37d7964a0f82337456dd3e9548ebc9a426911131cfe0e3d2face2a845e3fdb5