[INFO] fetching crate sysadmin-bindings 2.1.0...
[INFO] testing sysadmin-bindings-2.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate sysadmin-bindings 2.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sysadmin-bindings 2.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e24dda3e9f21c82b1ad2ec11eb1686b6f61cb5bbcf5018c83cc41d24de2ec9e2
[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" "e24dda3e9f21c82b1ad2ec11eb1686b6f61cb5bbcf5018c83cc41d24de2ec9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e24dda3e9f21c82b1ad2ec11eb1686b6f61cb5bbcf5018c83cc41d24de2ec9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24dda3e9f21c82b1ad2ec11eb1686b6f61cb5bbcf5018c83cc41d24de2ec9e2", kill_on_drop: false }`
[INFO] [stdout] e24dda3e9f21c82b1ad2ec11eb1686b6f61cb5bbcf5018c83cc41d24de2ec9e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b1f6c0e2fce49fae8c9248ffef7236e03dd0a2e84b3181694fa63db479d3139
[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" "7b1f6c0e2fce49fae8c9248ffef7236e03dd0a2e84b3181694fa63db479d3139", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling protobuf v1.4.5
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling protoc v1.7.5
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling failure v0.1.8
[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-a28d85426eb3fd87/build-script-build` (exit status: 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: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:59:32
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557eb9ee17cc - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x557eb9ee17cc - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x557eb9ee17cc - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x557eb9ee17cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x557eb9f0560c - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x557eb9ede075 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x557eb9ee31f0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x557eb9ee31f0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x557eb9ee31f0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x557eb9ee2d9b - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x557eb9ee38a4 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x557eb9ee3380 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x557eb9ee1c84 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x557eb9ee32e9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x557eb9c971c1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14
[INFO] [stderr]     15:     0x557eb9c972b3 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x557eb9c999f8 - core::result::Result<T,E>::expect::hadb74afbb87479c5
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1255:23
[INFO] [stderr]     17:     0x557eb9c98b6a - build_script_build::main::{{closure}}::he4c3aaef8c6a092a
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:59:9
[INFO] [stderr]     18:     0x557eb9c993e1 - std::panicking::try::do_call::hb994ac6e47fad501
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stderr]     19:     0x557eb9c994ab - __rust_try
[INFO] [stderr]     20:     0x557eb9c99321 - std::panicking::try::h8824f5843b44fa04
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stderr]     21:     0x557eb9c98bc0 - std::panic::catch_unwind::hef08301d52970235
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stderr]     22:     0x557eb9c988c7 - build_script_build::main::h511a1f90d73b4d2d
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:58:18
[INFO] [stderr]     23:     0x557eb9c9905b - core::ops::function::FnOnce::call_once::h477b0e436dc00dc4
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     24:     0x557eb9c98e1e - std::sys_common::backtrace::__rust_begin_short_backtrace::h2d0e8ac16f3d8fe3
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     25:     0x557eb9c98df1 - std::rt::lang_start::{{closure}}::hda4f115b9ad00420
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:145:18
[INFO] [stderr]     26:     0x557eb9ee1011 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0e73392810ecd318
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     27:     0x557eb9ee1011 - std::panicking::try::do_call::h12dcb4a4f352a507
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stderr]     28:     0x557eb9ee1011 - std::panicking::try::h0d978c76ab4a3863
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stderr]     29:     0x557eb9ee1011 - std::panic::catch_unwind::hab40227675186980
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stderr]     30:     0x557eb9ee1011 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48
[INFO] [stderr]     31:     0x557eb9ee1011 - std::panicking::try::do_call::h38e7a9128f21d387
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40
[INFO] [stderr]     32:     0x557eb9ee1011 - std::panicking::try::h32d4e72fd8922bce
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19
[INFO] [stderr]     33:     0x557eb9ee1011 - std::panic::catch_unwind::h9a345671d889d41f
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14
[INFO] [stderr]     34:     0x557eb9ee1011 - std::rt::lang_start_internal::h9e691a4f557eb2a3
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20
[INFO] [stderr]     35:     0x557eb9c98dc0 - std::rt::lang_start::h264eb2276ec1a7dc
[INFO] [stderr]                                  at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:144:17
[INFO] [stderr]     36:     0x557eb9c98b8c - main
[INFO] [stderr]     37:     0x7fae3f3e80b3 - __libc_start_main
[INFO] [stderr]     38:     0x557eb9c9793e - _start
[INFO] [stderr]     39:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "7b1f6c0e2fce49fae8c9248ffef7236e03dd0a2e84b3181694fa63db479d3139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1f6c0e2fce49fae8c9248ffef7236e03dd0a2e84b3181694fa63db479d3139", kill_on_drop: false }`
[INFO] [stdout] 7b1f6c0e2fce49fae8c9248ffef7236e03dd0a2e84b3181694fa63db479d3139