[INFO] crate ffmpeg-sys 3.4.1 is already in cache
[INFO] extracting crate ffmpeg-sys 3.4.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/ffmpeg-sys/3.4.1
[INFO] extracting crate ffmpeg-sys 3.4.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ffmpeg-sys/3.4.1
[INFO] validating manifest of ffmpeg-sys-3.4.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ffmpeg-sys-3.4.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ffmpeg-sys-3.4.1
[INFO] finished frobbing ffmpeg-sys-3.4.1
[INFO] frobbed toml for ffmpeg-sys-3.4.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ffmpeg-sys/3.4.1/Cargo.toml
[INFO] started frobbing ffmpeg-sys-3.4.1
[INFO] finished frobbing ffmpeg-sys-3.4.1
[INFO] frobbed toml for ffmpeg-sys-3.4.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ffmpeg-sys/3.4.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ffmpeg-sys-3.4.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ffmpeg-sys/3.4.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8498c527077edca69269c6e4820e115a5dbdbb8ece77b6d57dd45fad4986c0f9
[INFO] running `"docker" "start" "-a" "8498c527077edca69269c6e4820e115a5dbdbb8ece77b6d57dd45fad4986c0f9"`
[INFO] [stderr]    Compiling ffmpeg-sys v3.4.1 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `ffmpeg-sys v3.4.1 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/ffmpeg-sys-42629e676c6ca01d/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rustc-link-search=native=/usr/lib/x86_64-linux-gnu
[INFO] [stderr] cargo:rustc-link-lib=avformat
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Failure { command: "\"pkg-config\" \"--libs\" \"--cflags\" \"libavfilter\"", output: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "Package libavfilter was not found in the pkg-config search path.\nPerhaps you should add the directory containing `libavfilter.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'libavfilter\' found\n" } }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55cda0ca09b3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55cda0c9c27b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55cda0c9f6a6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55cda0c9f439 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55cda0c9fdaf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55cda0c9f931 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55cda0c9f815 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55cda0cbbbbc - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55cda05bdd62 - core::result::unwrap_failed::hf889b9f9f8d36b43
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55cda05be58a - core::result::Result<T,E>::unwrap::h4a3a0cb02dbc1bc2
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55cda05af809 - build_script_build::main::h3f59cc526d623d28
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:523
[INFO] [stderr]   11:     0x55cda05c1aef - std::rt::lang_start::{{closure}}::h6c683a16d8bc71ce
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55cda0c9f7b2 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55cda0ca7ae9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55cda0ca02bc - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55cda05c1ac8 - std::rt::lang_start::h732a1d1fae0c294d
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55cda05b7d09 - main
[INFO] [stderr]   17:     0x7f0f089ab2e0 - __libc_start_main
[INFO] [stderr]   18:     0x55cda05a60c9 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "8498c527077edca69269c6e4820e115a5dbdbb8ece77b6d57dd45fad4986c0f9"`
[INFO] running `"docker" "rm" "-f" "8498c527077edca69269c6e4820e115a5dbdbb8ece77b6d57dd45fad4986c0f9"`
[INFO] [stdout] 8498c527077edca69269c6e4820e115a5dbdbb8ece77b6d57dd45fad4986c0f9