[INFO] cloning repository https://github.com/DanSnow/rust-cap-ng-sys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanSnow/rust-cap-ng-sys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanSnow%2Frust-cap-ng-sys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanSnow%2Frust-cap-ng-sys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bdfd0b6e5000f1fd57db04222772bd90c99111c
[INFO] documenting DanSnow/rust-cap-ng-sys against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanSnow%2Frust-cap-ng-sys" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanSnow/rust-cap-ng-sys on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DanSnow/rust-cap-ng-sys
[INFO] finished tweaking git repo https://github.com/DanSnow/rust-cap-ng-sys
[INFO] tweaked toml for git repo https://github.com/DanSnow/rust-cap-ng-sys written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/DanSnow/rust-cap-ng-sys already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80975042fe3555aa6dec452ec6b946e3dd13c4a846f0d77d7908b42cf179b3ca
[INFO] running `Command { std: "docker" "start" "-a" "80975042fe3555aa6dec452ec6b946e3dd13c4a846f0d77d7908b42cf179b3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80975042fe3555aa6dec452ec6b946e3dd13c4a846f0d77d7908b42cf179b3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80975042fe3555aa6dec452ec6b946e3dd13c4a846f0d77d7908b42cf179b3ca", kill_on_drop: false }`
[INFO] [stdout] 80975042fe3555aa6dec452ec6b946e3dd13c4a846f0d77d7908b42cf179b3ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13733542ac496080ba992819430f7b40222026f74452f537a6be816981dc9a89
[INFO] running `Command { std: "docker" "start" "-a" "13733542ac496080ba992819430f7b40222026f74452f537a6be816981dc9a89", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling cap-ng-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `cap-ng-sys v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cap-ng-sys-d9866b02e5d84317/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Failure { command: "\"pkg-config\" \"--libs\" \"--cflags\" \"libcap-ng\" \"libcap-ng >= 0.7.0\"", output: Output { status: ExitStatus(unix_wait_status(256)), stdout: "", stderr: "Package libcap-ng was not found in the pkg-config search path.\nPerhaps you should add the directory containing `libcap-ng.pc'\nto the PKG_CONFIG_PATH environment variable\nNo package 'libcap-ng' found\nPackage libcap-ng was not found in the pkg-config search path.\nPerhaps you should add the directory containing `libcap-ng.pc'\nto the PKG_CONFIG_PATH environment variable\nNo package 'libcap-ng' found\n" } }', build.rs:9:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5633c80e0a2d - std::backtrace_rs::backtrace::libunwind::trace::ha8406fd4a233ad1f
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5633c80e0a2d - std::backtrace_rs::backtrace::trace_unsynchronized::h95f26ca4bd23bd0f
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5633c80e0a2d - std::sys_common::backtrace::_print_fmt::h9955f0b025c061cd
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x5633c80e0a2d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1025ecd2bac85833
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x5633c80ff12c - core::fmt::write::hd5fa34bae8a7f0ea
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/fmt/mod.rs:1196:17
[INFO] [stderr]      5:     0x5633c80ddb51 - std::io::Write::write_fmt::h203cec764662c27d
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/io/mod.rs:1654:15
[INFO] [stderr]      6:     0x5633c80e2255 - std::sys_common::backtrace::_print::h330c8fadbab13d8b
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x5633c80e2255 - std::sys_common::backtrace::print::h38d4cf1c3e16e656
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x5633c80e2255 - std::panicking::default_hook::{{closure}}::h56cdf194ec124abb
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x5633c80e1ec9 - std::panicking::default_hook::h9929fdc60733f795
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x5633c80e2828 - std::panicking::rust_panic_with_hook::h490228be5a55104d
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x5633c80e26d7 - std::panicking::begin_panic_handler::{{closure}}::hfd963b6683c36656
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x5633c80e0ee4 - std::sys_common::backtrace::__rust_end_short_backtrace::h2912e3decfe2cba4
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x5633c80e2409 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x5633c8098803 - core::panicking::panic_fmt::hf4ba906a2c8693a2
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x5633c8098893 - core::result::unwrap_failed::h328e70098ea1018f
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/result.rs:1785:5
[INFO] [stderr]     16:     0x5633c8098b6d - core::result::Result<T,E>::unwrap::h2a0f53cd9896276d
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/result.rs:1078:23
[INFO] [stderr]     17:     0x5633c8098e12 - build_script_build::main::hcc8b209361f0c50e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6:5
[INFO] [stderr]     18:     0x5633c8098beb - core::ops::function::FnOnce::call_once::hb759a5b289ae7434
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/ops/function.rs:248:5
[INFO] [stderr]     19:     0x5633c8098c5e - std::sys_common::backtrace::__rust_begin_short_backtrace::h2022e0cd0a8d38a1
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     20:     0x5633c8098cf1 - std::rt::lang_start::{{closure}}::hbdbfbf6438b51a3c
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x5633c80dab7e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9c80b603d656db3f
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/core/src/ops/function.rs:280:13
[INFO] [stderr]     22:     0x5633c80dab7e - std::panicking::try::do_call::h86b1dd6fd2903147
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:492:40
[INFO] [stderr]     23:     0x5633c80dab7e - std::panicking::try::h06cba322e163361a
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:456:19
[INFO] [stderr]     24:     0x5633c80dab7e - std::panic::catch_unwind::h77fc4ef3c419c34e
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panic.rs:137:14
[INFO] [stderr]     25:     0x5633c80dab7e - std::rt::lang_start_internal::{{closure}}::h6786ee70f1cf45dc
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x5633c80dab7e - std::panicking::try::do_call::h682a3324f06cc1bc
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:492:40
[INFO] [stderr]     27:     0x5633c80dab7e - std::panicking::try::h09ce465b693a7cf9
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panicking.rs:456:19
[INFO] [stderr]     28:     0x5633c80dab7e - std::panic::catch_unwind::h5eb4cb244476317c
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/panic.rs:137:14
[INFO] [stderr]     29:     0x5633c80dab7e - std::rt::lang_start_internal::hba2d4a4771a618dc
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x5633c8098cc0 - std::rt::lang_start::h03c5eae4f6fb290a
[INFO] [stderr]                                  at /rustc/daf68b1f766e67ffe040260b15c218301853386a/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x5633c8098e7c - main
[INFO] [stderr]     32:     0x7fe0106f30b3 - __libc_start_main
[INFO] [stderr]     33:     0x5633c80989fe - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "13733542ac496080ba992819430f7b40222026f74452f537a6be816981dc9a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13733542ac496080ba992819430f7b40222026f74452f537a6be816981dc9a89", kill_on_drop: false }`
[INFO] [stdout] 13733542ac496080ba992819430f7b40222026f74452f537a6be816981dc9a89