[INFO] fetching crate vips-sys 0.1.3-beta.0...
[INFO] documenting vips-sys-0.1.3-beta.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate vips-sys 0.1.3-beta.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vips-sys 0.1.3-beta.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vips-sys 0.1.3-beta.0
[INFO] finished tweaking crates.io crate vips-sys 0.1.3-beta.0
[INFO] tweaked toml for crates.io crate vips-sys 0.1.3-beta.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1cfec21119e034eccff4745ec04c8b503cb5115b0fb5a14691f64c606b26c87
[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" "d1cfec21119e034eccff4745ec04c8b503cb5115b0fb5a14691f64c606b26c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1cfec21119e034eccff4745ec04c8b503cb5115b0fb5a14691f64c606b26c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1cfec21119e034eccff4745ec04c8b503cb5115b0fb5a14691f64c606b26c87", kill_on_drop: false }`
[INFO] [stdout] d1cfec21119e034eccff4745ec04c8b503cb5115b0fb5a14691f64c606b26c87
[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" "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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bb2766ef16db6746b1ab1ad02af43ea25bc84caa773e3218077ab9a14a7c0d7
[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" "8bb2766ef16db6746b1ab1ad02af43ea25bc84caa773e3218077ab9a14a7c0d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling vips-sys v0.1.3-beta.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `vips-sys v0.1.3-beta.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/vips-sys-97100eac9f58e42a/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Couldn't run pkg-config: ErrorMessage { msg: "pkg-config failed" }
[INFO] [stderr] 
[INFO] [stderr]      0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/internal.rs:46
[INFO] [stderr]      1: failure::backtrace::Backtrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/backtrace/mod.rs:121
[INFO] [stderr]      2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/error_impl.rs:19
[INFO] [stderr]      3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error/mod.rs:36
[INFO] [stderr]      4: failure::error_message::err_msg
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/src/error_message.rs:12
[INFO] [stderr]      5: build_script_build::run
[INFO] [stderr]                at build.rs:42
[INFO] [stderr]      6: build_script_build::generate_bindings_rs
[INFO] [stderr]                at build.rs:51
[INFO] [stderr]      7: build_script_build::main
[INFO] [stderr]                at build.rs:81
[INFO] [stderr]      8: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]      9: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:52
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/panicking.rs:348
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/panicking.rs:325
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/panic.rs:394
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:51
[INFO] [stderr]     10: std::rt::lang_start
[INFO] [stderr]                at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]     11: main
[INFO] [stderr]     12: __libc_start_main
[INFO] [stderr]     13: _start
[INFO] [stderr]   ', build.rs:51:30
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d1b87744a5 - backtrace::backtrace::libunwind::trace::h14d338b30b3ea0a7
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55d1b87744a5 - backtrace::backtrace::trace_unsynchronized::h73ea91d74a3fd67f
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55d1b87744a5 - std::sys_common::backtrace::_print_fmt::hd42948c952866e12
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55d1b87744a5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha8f928866ff7571e
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55d1b879e5ac - core::fmt::write::he0c1e5f7426d2718
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55d1b8770932 - std::io::Write::write_fmt::hf3afc6cfd57d0033
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x55d1b8776bb0 - std::sys_common::backtrace::_print::hfc0110703f3696fd
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55d1b8776bb0 - std::sys_common::backtrace::print::h3f77c6990ddfaa22
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55d1b8776bb0 - std::panicking::default_hook::{{closure}}::heae49580a8d62d75
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55d1b87768fc - std::panicking::default_hook::hecc34e3f729e213c
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55d1b87771f3 - std::panicking::rust_panic_with_hook::he82f5d0644692441
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55d1b8776deb - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55d1b879cc61 - core::panicking::panic_fmt::h09c929f06bb87c98
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x55d1b879ca83 - core::option::expect_none_failed::h188f17af6c9f404b
[INFO] [stderr]                                  at src/libcore/option.rs:1269
[INFO] [stderr]     14:     0x55d1b811918f - core::result::Result<T,E>::expect::hdd5a7f9fbcfffd38
[INFO] [stderr]                                  at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/result.rs:963
[INFO] [stderr]     15:     0x55d1b811799c - build_script_build::generate_bindings_rs::h532a061b4e74824c
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:51
[INFO] [stderr]     16:     0x55d1b8117fdc - build_script_build::main::hf2a8bf9aa0a47010
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:81
[INFO] [stderr]     17:     0x55d1b811b8db - std::rt::lang_start::{{closure}}::haafd6c223e311293
[INFO] [stderr]                                  at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]     18:     0x55d1b87775c3 - std::rt::lang_start_internal::{{closure}}::h5d3ea623498f5f43
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     19:     0x55d1b87775c3 - std::panicking::try::do_call::hac65e71be769a440
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     20:     0x55d1b87775c3 - std::panicking::try::hd4706e264bcf6712
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     21:     0x55d1b87775c3 - std::panic::catch_unwind::h948a0fb4a8b3ee82
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     22:     0x55d1b87775c3 - std::rt::lang_start_internal::h72cc068ed2d0ac53
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     23:     0x55d1b811b8b7 - std::rt::lang_start::h24192d48e8b588fc
[INFO] [stderr]                                  at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]     24:     0x55d1b81180ca - main
[INFO] [stderr]     25:     0x7fac9d4600b3 - __libc_start_main
[INFO] [stderr]     26:     0x55d1b811719e - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "8bb2766ef16db6746b1ab1ad02af43ea25bc84caa773e3218077ab9a14a7c0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb2766ef16db6746b1ab1ad02af43ea25bc84caa773e3218077ab9a14a7c0d7", kill_on_drop: false }`
[INFO] [stdout] 8bb2766ef16db6746b1ab1ad02af43ea25bc84caa773e3218077ab9a14a7c0d7