[INFO] updating cached repository https://github.com/eeeeeta/mfl-gramophone
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 194dc7f0d81d07ecd87eb3e6d7e1f0e29c6b0a44
[INFO] checking eeeeeta/mfl-gramophone against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeeeeta%2Fmfl-gramophone" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eeeeeta/mfl-gramophone on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/eeeeeta/mfl-gramophone
[INFO] finished tweaking git repo https://github.com/eeeeeta/mfl-gramophone
[INFO] tweaked toml for git repo https://github.com/eeeeeta/mfl-gramophone written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/eeeeeta/mfl-gramophone already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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 `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4fb9442c8ba272c10536b336c75cd64b206b6a0e1c74f37e8cd56ed5c47a7b92
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4fb9442c8ba272c10536b336c75cd64b206b6a0e1c74f37e8cd56ed5c47a7b92"`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling bindgen v0.32.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking nodrop-union v0.1.9
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking sample v0.10.0
[INFO] [stderr]     Checking rust-ini v0.12.2
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking bounded-spsc-queue v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking rosc v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking jack-sys v0.1.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking sqa-jack v0.6.1
[INFO] [stderr]     Checking sqa-engine v0.4.0
[INFO] [stderr]     Checking config v0.9.1
[INFO] [stderr]    Compiling ffmpeg-sys v4.0.2 (https://github.com/meh/rust-ffmpeg-sys#29375634)
[INFO] [stderr] error: failed to run custom build command for `ffmpeg-sys v4.0.2 (https://github.com/meh/rust-ffmpeg-sys#29375634)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/ffmpeg-sys-a0c848406c5dbcec/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=avutil
[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:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55604c7c40fa - backtrace::backtrace::libunwind::trace::h62ee5d8325268128
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55604c7c40fa - backtrace::backtrace::trace_unsynchronized::h0c2dcc20fbafc255
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55604c7c40fa - std::sys_common::backtrace::_print_fmt::h5452375970baa944
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55604c7c40fa - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdcdebd1ff29cf05e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x55604c7e9ccc - core::fmt::write::h1a9d5001c75dea4b
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1028
[INFO] [stderr]    5:     0x55604c7c0617 - std::io::Write::write_fmt::hc50d5b4b29eeddb4
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55604c7c674e - std::sys_common::backtrace::_print::hd026679112716709
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55604c7c674e - std::sys_common::backtrace::print::hc2cd7cb69b3121ae
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55604c7c674e - std::panicking::default_hook::{{closure}}::hac834639b20b63f7
[INFO] [stderr]                                at src/libstd/panicking.rs:187
[INFO] [stderr]    9:     0x55604c7c6451 - std::panicking::default_hook::h2fc956babc86e97d
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]   10:     0x55604c7c6e45 - std::panicking::rust_panic_with_hook::hb65306f2c92eac01
[INFO] [stderr]                                at src/libstd/panicking.rs:467
[INFO] [stderr]   11:     0x55604c7c69e2 - std::panicking::continue_panic_fmt::h22291b07d0b7f087
[INFO] [stderr]                                at src/libstd/panicking.rs:374
[INFO] [stderr]   12:     0x55604c7c68d6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:301
[INFO] [stderr]   13:     0x55604c7e684a - core::panicking::panic_fmt::h2df585b32c0e3baa
[INFO] [stderr]                                at src/libcore/panicking.rs:84
[INFO] [stderr]   14:     0x55604c7e6947 - core::result::unwrap_failed::h85805d40729c1e11
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x55604c105a6a - core::result::Result<T,E>::unwrap::h42d5a07ce8ed00f5
[INFO] [stderr]                                at /rustc/ea663bba38739867a4b75ac820991b4f5d093c3b/src/libcore/result.rs:933
[INFO] [stderr]   16:     0x55604c0f437a - build_script_build::main::hbe738ceb86c9ee4c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/rust-ffmpeg-sys-d067fb0907b8b3fb/2937563/build.rs:535
[INFO] [stderr]   17:     0x55604c0fdf10 - std::rt::lang_start::{{closure}}::ha41325ece5d52baa
[INFO] [stderr]                                at /rustc/ea663bba38739867a4b75ac820991b4f5d093c3b/src/libstd/rt.rs:61
[INFO] [stderr]   18:     0x55604c7c6873 - std::rt::lang_start_internal::{{closure}}::hbff5fe9c19d221a8
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x55604c7c6873 - std::panicking::try::do_call::h330d2d9ad3936443
[INFO] [stderr]                                at src/libstd/panicking.rs:286
[INFO] [stderr]   20:     0x55604c7ce64a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x55604c7c733d - std::panicking::try::h0001f4cc821eb44d
[INFO] [stderr]                                at src/libstd/panicking.rs:265
[INFO] [stderr]   22:     0x55604c7c733d - std::panic::catch_unwind::hc7071df6aa2e6fb8
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55604c7c733d - std::rt::lang_start_internal::hd852b1b003ba5a93
[INFO] [stderr]                                at src/libstd/rt.rs:47
[INFO] [stderr]   24:     0x55604c0fdee9 - std::rt::lang_start::h3ae2f09989998900
[INFO] [stderr]                                at /rustc/ea663bba38739867a4b75ac820991b4f5d093c3b/src/libstd/rt.rs:61
[INFO] [stderr]   25:     0x55604c0fc77a - main
[INFO] [stderr]   26:     0x7ff71c9f3b97 - __libc_start_main
[INFO] [stderr]   27:     0x55604c0eacaa - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "4fb9442c8ba272c10536b336c75cd64b206b6a0e1c74f37e8cd56ed5c47a7b92"`
[INFO] running `"docker" "rm" "-f" "4fb9442c8ba272c10536b336c75cd64b206b6a0e1c74f37e8cd56ed5c47a7b92"`
[INFO] [stdout] 4fb9442c8ba272c10536b336c75cd64b206b6a0e1c74f37e8cd56ed5c47a7b92