[INFO] fetching crate libv4l-sys 0.2.2...
[INFO] checking libv4l-sys-0.2.2 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate libv4l-sys 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libv4l-sys 0.2.2 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate libv4l-sys 0.2.2
[INFO] finished tweaking crates.io crate libv4l-sys 0.2.2
[INFO] tweaked toml for crates.io crate libv4l-sys 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate libv4l-sys 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a373de5442002a483e5f68cedef0ba07aa93bd61b497f5f420525bd05d638d25
[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" "a373de5442002a483e5f68cedef0ba07aa93bd61b497f5f420525bd05d638d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a373de5442002a483e5f68cedef0ba07aa93bd61b497f5f420525bd05d638d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a373de5442002a483e5f68cedef0ba07aa93bd61b497f5f420525bd05d638d25", kill_on_drop: false }`
[INFO] [stdout] a373de5442002a483e5f68cedef0ba07aa93bd61b497f5f420525bd05d638d25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5af50c49400bf361922dc62c5ad9f1ee5d4b1c6d7c13cedab9edd0ec6c61159a
[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" "5af50c49400bf361922dc62c5ad9f1ee5d4b1c6d7c13cedab9edd0ec6c61159a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling libv4l-sys v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `libv4l-sys v0.2.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libv4l-sys-30d598d16d7abcff/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Failure { command: "\"pkg-config\" \"--libs\" \"--cflags\" \"libv4l2\"", output: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "Package libv4l2 was not found in the pkg-config search path.\nPerhaps you should add the directory containing `libv4l2.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'libv4l2\' found\n" } }', build.rs:7:55
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55cb1e25cfc7 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55cb1e25cfc7 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55cb1e25cfc7 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55cb1e25cfc7 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc132ae1a5b5aa7cd
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55cb1e2833ec - core::fmt::write::hdf023a0036d2a25f
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55cb1e259252 - std::io::Write::write_fmt::h8580846154bcb66a
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x55cb1e25f245 - std::sys_common::backtrace::_print::h7ee55fed88d107a3
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55cb1e25f245 - std::sys_common::backtrace::print::h54a7d3e52a524177
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55cb1e25f245 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55cb1e25ed9a - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55cb1e25f9e1 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55cb1e25f527 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55cb1e25d48c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55cb1e25f489 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55cb1e281ac1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55cb1e2818e3 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x55cb1dcd69ea - core::result::Result<T,E>::unwrap::h6a9f6a29011ea25f
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x55cb1dcd3109 - build_script_build::main::h0bb343a4f30e5b27
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:7:18
[INFO] [stderr]     18:     0x55cb1dcd243b - core::ops::function::FnOnce::call_once::h2a37685aa2c464c3
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55cb1dcd64be - std::sys_common::backtrace::__rust_begin_short_backtrace::hce4a9cfd21212a90
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55cb1dcd2381 - std::rt::lang_start::{{closure}}::h6cec5574b4906100
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55cb1e25fe07 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55cb1e25fe07 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55cb1e25fe07 - std::panicking::try::hb36953ccd24f930d
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55cb1e25fe07 - std::panic::catch_unwind::hbb374cd03beb3824
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x55cb1e25fe07 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55cb1dcd2357 - std::rt::lang_start::h04d6f371975987ed
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55cb1dcd39aa - main
[INFO] [stderr]     28:     0x7f6158da80b3 - __libc_start_main
[INFO] [stderr]     29:     0x55cb1dcd10ce - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "5af50c49400bf361922dc62c5ad9f1ee5d4b1c6d7c13cedab9edd0ec6c61159a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af50c49400bf361922dc62c5ad9f1ee5d4b1c6d7c13cedab9edd0ec6c61159a", kill_on_drop: false }`
[INFO] [stdout] 5af50c49400bf361922dc62c5ad9f1ee5d4b1c6d7c13cedab9edd0ec6c61159a