[INFO] fetching crate sysadmin-bindings 2.1.0...
[INFO] documenting sysadmin-bindings-2.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate sysadmin-bindings 2.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate sysadmin-bindings 2.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sysadmin-bindings 2.1.0
[INFO] finished tweaking crates.io crate sysadmin-bindings 2.1.0
[INFO] tweaked toml for crates.io crate sysadmin-bindings 2.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protoc-rust v1.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bf868920fa4901ff5ed62dba16c5db6d8a1f9c8d29c16b8a9d0ff5e5bf50df1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4bf868920fa4901ff5ed62dba16c5db6d8a1f9c8d29c16b8a9d0ff5e5bf50df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bf868920fa4901ff5ed62dba16c5db6d8a1f9c8d29c16b8a9d0ff5e5bf50df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf868920fa4901ff5ed62dba16c5db6d8a1f9c8d29c16b8a9d0ff5e5bf50df1", kill_on_drop: false }`
[INFO] [stdout] 4bf868920fa4901ff5ed62dba16c5db6d8a1f9c8d29c16b8a9d0ff5e5bf50df1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca4f0126385f8bfe05d0d12587595de1bdb00e9065822770ca635384d528ce89
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca4f0126385f8bfe05d0d12587595de1bdb00e9065822770ca635384d528ce89", kill_on_drop: false }`
[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/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `sysadmin-bindings v2.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/sysadmin-bindings-3857cc20b0651e3a/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   current dir: "/opt/rustwide/workdir"
[INFO] [stderr]   "cratesfyi" found in path: false
[INFO] [stderr]   systemctl.rs path: "/opt/rustwide/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" }', build.rs:59:32
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55c014996540 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55c014996540 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55c014996540 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55c014996540 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h80c2ae080004cc83
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55c0149ba67c - core::fmt::write::h0c11e16fd03fe660
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x55c014993847 - std::io::Write::write_fmt::h2e2072ff86131fcd
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514
[INFO] [stderr]      6:     0x55c014998a30 - std::sys_common::backtrace::_print::h165e6476adb4cb58
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55c014998a30 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55c014998a30 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x55c01499877c - std::panicking::default_hook::ha3137d6f4e961fe2
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x55c014999093 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x55c014998c69 - std::panicking::begin_panic_handler::{{closure}}::h4aa640a9e8494520
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x55c0149969ac - std::sys_common::backtrace::__rust_end_short_backtrace::h85d2ae6a90dead9c
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55c014998c29 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x55c0149b84f1 - core::panicking::panic_fmt::hbf8b471a26c80149
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55c0149b8313 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x55c01473635c - core::result::Result<T,E>::expect::hb1e134179b5d5f84
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/result.rs:933
[INFO] [stderr]     17:     0x55c014734be8 - build_script_build::main::{{closure}}::hd67890a1aca8996b
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:59
[INFO] [stderr]     18:     0x55c014735d7d - std::panicking::try::do_call::h62eb4ad2e8859241
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373
[INFO] [stderr]     19:     0x55c014735e3d - __rust_try
[INFO] [stderr]     20:     0x55c014735ca0 - std::panicking::try::ha70f70675eb87f29
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337
[INFO] [stderr]     21:     0x55c014735712 - std::panic::catch_unwind::h06f3f97be8d1a892
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379
[INFO] [stderr]     22:     0x55c01473479b - build_script_build::main::h692fbdfa38687cf7
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:58
[INFO] [stderr]     23:     0x55c0147358ab - core::ops::function::FnOnce::call_once::h95b43cb0b34d2ad5
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227
[INFO] [stderr]     24:     0x55c0147357be - std::sys_common::backtrace::__rust_begin_short_backtrace::he0166e7e20392e2f
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     25:     0x55c014736991 - std::rt::lang_start::{{closure}}::h7330120e15cf1671
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66
[INFO] [stderr]     26:     0x55c014999561 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdabbbe0d2c6ccde8
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259
[INFO] [stderr]     27:     0x55c014999561 - std::panicking::try::do_call::h0c8c1cd19bf9d385
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373
[INFO] [stderr]     28:     0x55c014999561 - std::panicking::try::h357e78da017bc4a8
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337
[INFO] [stderr]     29:     0x55c014999561 - std::panic::catch_unwind::h72f31b36adf61841
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379
[INFO] [stderr]     30:     0x55c014999561 - std::rt::lang_start_internal::h634502e153211333
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51
[INFO] [stderr]     31:     0x55c014736967 - std::rt::lang_start::h6f19fd9941ab8800
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65
[INFO] [stderr]     32:     0x55c014734c1a - main
[INFO] [stderr]     33:     0x7fd16579a0b3 - __libc_start_main
[INFO] [stderr]     34:     0x55c0147340ce - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "ca4f0126385f8bfe05d0d12587595de1bdb00e9065822770ca635384d528ce89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4f0126385f8bfe05d0d12587595de1bdb00e9065822770ca635384d528ce89", kill_on_drop: false }`
[INFO] [stdout] ca4f0126385f8bfe05d0d12587595de1bdb00e9065822770ca635384d528ce89