[INFO] updating cached repository saturday06/fastest-practical-hls
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/saturday06/fastest-practical-hls
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/saturday06/fastest-practical-hls" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/saturday06/fastest-practical-hls"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/saturday06/fastest-practical-hls'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/saturday06/fastest-practical-hls" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/saturday06/fastest-practical-hls"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/saturday06/fastest-practical-hls'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d81db0f813f41586b97a6457b8bdf7fac0084ac7
[INFO] sha for GitHub repo saturday06/fastest-practical-hls: d81db0f813f41586b97a6457b8bdf7fac0084ac7
[INFO] validating manifest of saturday06/fastest-practical-hls on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of saturday06/fastest-practical-hls on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing saturday06/fastest-practical-hls
[INFO] finished frobbing saturday06/fastest-practical-hls
[INFO] frobbed toml for saturday06/fastest-practical-hls written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/saturday06/fastest-practical-hls/Cargo.toml
[INFO] started frobbing saturday06/fastest-practical-hls
[INFO] finished frobbing saturday06/fastest-practical-hls
[INFO] frobbed toml for saturday06/fastest-practical-hls written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/saturday06/fastest-practical-hls/Cargo.toml
[INFO] crate saturday06/fastest-practical-hls already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking saturday06/fastest-practical-hls against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/saturday06/fastest-practical-hls:/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f798a12110e4ace09e068f8bc30fd970c90f41fb5e2588516ae2c5326864264b
[INFO] running `"docker" "start" "-a" "f798a12110e4ace09e068f8bc30fd970c90f41fb5e2588516ae2c5326864264b"`
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling httparse v1.3.1
[INFO] [stderr]    Compiling fastest-practical-cactus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling xattr v0.2.1
[INFO] [stderr]    Compiling filetime v0.2.1
[INFO] [stderr]    Compiling syntex_pos v0.58.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling bytes v0.4.8
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling tar v0.4.15
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking want v0.0.5
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]     Checking futures-io v0.2.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling syntex_errors v0.58.1
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.33
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling syntex_syntax v0.58.1
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling mime v0.3.7
[INFO] [stderr]    Compiling tokio-timer v0.2.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.4
[INFO] [stderr]     Checking futures-util v0.2.1
[INFO] [stderr]    Compiling libflate v0.1.15
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking h2 v0.1.10
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]     Checking chrono v0.4.3
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.21
[INFO] [stderr]     Checking futures-executor v0.2.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling bindgen v0.32.3
[INFO] [stderr]     Checking futures-stable v0.2.1
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]     Checking hyper v0.12.2
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking futures-async-runtime v0.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]     Checking futures v0.2.1
[INFO] [stderr]    Compiling syntex v0.58.1
[INFO] [stderr]    Compiling aster v0.41.0
[INFO] [stderr]    Compiling quasi v0.32.0
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling quasi_codegen v0.32.0
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling bindgen v0.29.1
[INFO] [stderr]    Compiling reqwest v0.8.6
[INFO] [stderr]    Compiling ffmpeg-sys v3.4.1
[INFO] [stderr]    Compiling openh264-sys v1.0.3
[INFO] [stderr] error: failed to run custom build command for `ffmpeg-sys v3.4.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/ffmpeg-sys-cf280fcf489120be/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:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x562bb9d2cc9b - backtrace::backtrace::libunwind::trace::h5d27dcba3b250cfe
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x562bb9d2cc9b - backtrace::backtrace::trace_unsynchronized::h239341a8b1cadbab
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562bb9d2cc9b - std::sys_common::backtrace::_print::hb0e5dd39180a1838
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x562bb9d2cc9b - std::sys_common::backtrace::print::h9b385b2285f057b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x562bb9d2cc9b - std::panicking::default_hook::{{closure}}::he3310a15a78966b4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x562bb9d2c976 - std::panicking::default_hook::h2986f418df62eff4
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x562bb9d2d40d - std::panicking::rust_panic_with_hook::h15065386631d2a9d
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x562bb9d2cf92 - std::panicking::continue_panic_fmt::h5e7761875fda3864
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x562bb9d2ce76 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x562bb9d4ce4d - core::panicking::panic_fmt::ha57541b4d360b196
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x562bb9d4cf47 - core::result::unwrap_failed::h30a7262287ea7c1e
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x562bb9682bd7 - core::result::Result<T,E>::unwrap::hd49bf877523cbc51
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x562bb9670624 - build_script_build::main::h41b850af36a8475b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ffmpeg-sys-3.4.1/build.rs:523
[INFO] [stderr]   13:     0x562bb9679ce0 - std::rt::lang_start::{{closure}}::hfb5d17355256487d
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x562bb9d2ce13 - std::rt::lang_start_internal::{{closure}}::hbf4603a1e6e1424d
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x562bb9d2ce13 - std::panicking::try::do_call::h7642e0de797eeae0
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x562bb9d34a2a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x562bb9d2d91d - std::panicking::try::h17f145530f8b5a3f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x562bb9d2d91d - std::panic::catch_unwind::hcee1b9b07ea0f9dc
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x562bb9d2d91d - std::rt::lang_start_internal::h82d44298f58b2cfd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x562bb9679cb9 - std::rt::lang_start::hcacd21c46c9336a9
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x562bb967897a - main
[INFO] [stderr]   22:     0x7f05214c22e1 - __libc_start_main
[INFO] [stderr]   23:     0x562bb966756a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f798a12110e4ace09e068f8bc30fd970c90f41fb5e2588516ae2c5326864264b"`
[INFO] running `"docker" "rm" "-f" "f798a12110e4ace09e068f8bc30fd970c90f41fb5e2588516ae2c5326864264b"`
[INFO] [stdout] f798a12110e4ace09e068f8bc30fd970c90f41fb5e2588516ae2c5326864264b