[INFO] fetching crate gst-plugin-csound 0.7.0...
[INFO] testing gst-plugin-csound-0.7.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate gst-plugin-csound 0.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gst-plugin-csound 0.7.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gst-plugin-csound 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gst-plugin-csound 0.7.0
[INFO] tweaked toml for crates.io crate gst-plugin-csound 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate gst-plugin-csound 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efd8e1f31da68c8e4a490914b1fa0d69b9b97bdb8ccb9c2c8fc39acb45486d17
[INFO] running `Command { std: "docker" "start" "-a" "efd8e1f31da68c8e4a490914b1fa0d69b9b97bdb8ccb9c2c8fc39acb45486d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efd8e1f31da68c8e4a490914b1fa0d69b9b97bdb8ccb9c2c8fc39acb45486d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd8e1f31da68c8e4a490914b1fa0d69b9b97bdb8ccb9c2c8fc39acb45486d17", kill_on_drop: false }`
[INFO] [stdout] efd8e1f31da68c8e4a490914b1fa0d69b9b97bdb8ccb9c2c8fc39acb45486d17
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca9256d1daa46ecf4f2fb7501758bd3231d16728be2d49d707deed6c6483fcf1
[INFO] running `Command { std: "docker" "start" "-a" "ca9256d1daa46ecf4f2fb7501758bd3231d16728be2d49d707deed6c6483fcf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling muldiv v1.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling csound-sys v0.1.2
[INFO] [stderr]    Compiling va_list v0.1.3
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling cfg-expr v0.7.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: libcsound64 library not found in your system
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `csound-sys v0.1.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/csound-sys-af3ec4589c14493b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:warning=libcsound64 library not found in your system
[INFO] [stderr]   export the CSOUND_LIB_DIR env var with the path to the csound library, for example 
[INFO] [stderr]   export CSOUND_LIB_DIR=/usr/lib  
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'explicit panic', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/csound-sys-0.1.2/build.rs:44:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a84a4f0730 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55a84a4f0730 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a84a4f0730 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55a84a4f0730 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55a84a50a87c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x55a84a4eed45 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x55a84a4f235b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55a84a4f235b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55a84a4f235b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55a84a4f1e31 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55a84a4f2a24 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55a84a4dc46f - std::panicking::begin_panic::{{closure}}::h67123d3ab314f674
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x55a84a4db938 - std::sys_common::backtrace::__rust_end_short_backtrace::h6791d210fdaffb62
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55a84a4dc3b5 - std::panicking::begin_panic::h629a94dc122b0c2d
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x55a84a4dd4e0 - build_script_build::main::h0e6fa98c9c129248
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/csound-sys-0.1.2/build.rs:44:5
[INFO] [stderr]     15:     0x55a84a4db45b - core::ops::function::FnOnce::call_once::hde48aa104c4d50f6
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x55a84a4db97e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3d707be981ca8c35
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x55a84a4db0e1 - std::rt::lang_start::{{closure}}::hb42ca2ec226f886b
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:63:18
[INFO] [stderr]     18:     0x55a84a4f2f2a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcbe5785d54a49ce2
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x55a84a4f2f2a - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     20:     0x55a84a4f2f2a - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     21:     0x55a84a4f2f2a - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stderr]     22:     0x55a84a4f2f2a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:48
[INFO] [stderr]     23:     0x55a84a4f2f2a - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x55a84a4f2f2a - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x55a84a4f2f2a - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x55a84a4f2f2a - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:20
[INFO] [stderr]     27:     0x55a84a4db0b0 - std::rt::lang_start::hc90814bc620ad688
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:62:5
[INFO] [stderr]     28:     0x55a84a4dd52c - main
[INFO] [stderr]     29:     0x7f46ff9b40b3 - __libc_start_main
[INFO] [stderr]     30:     0x55a84a4d874e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ca9256d1daa46ecf4f2fb7501758bd3231d16728be2d49d707deed6c6483fcf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9256d1daa46ecf4f2fb7501758bd3231d16728be2d49d707deed6c6483fcf1", kill_on_drop: false }`
[INFO] [stdout] ca9256d1daa46ecf4f2fb7501758bd3231d16728be2d49d707deed6c6483fcf1