[INFO] fetching crate csound 0.1.8...
[INFO] testing csound-0.1.8 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate csound 0.1.8 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate csound 0.1.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate csound 0.1.8
[INFO] tweaked toml for crates.io crate csound 0.1.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate csound 0.1.8 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate csound 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1e86d99bd13c6aa581be02f2a4e3a538450c72d8dfff2b21c49465abb30b67ce
[INFO] running `Command { std: "docker" "start" "1e86d99bd13c6aa581be02f2a4e3a538450c72d8dfff2b21c49465abb30b67ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e86d99bd13c6aa581be02f2a4e3a538450c72d8dfff2b21c49465abb30b67ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1e86d99bd13c6aa581be02f2a4e3a538450c72d8dfff2b21c49465abb30b67ce" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e86d99bd13c6aa581be02f2a4e3a538450c72d8dfff2b21c49465abb30b67ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1e86d99bd13c6aa581be02f2a4e3a538450c72d8dfff2b21c49465abb30b67ce" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling csound-sys v0.1.2
[INFO] [stderr]    Compiling va_list v0.1.3
[INFO] [stderr] warning: csound-sys@0.1.2: libcsound64 library not found in your system
[INFO] [stderr] error: failed to run custom build command for `csound-sys v0.1.2`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/release/build/csound-sys/86bc77e331a20f6f/out/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] 
[INFO] [stderr]   thread 'main' (106) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/csound-sys-0.1.2/build.rs:44:5:
[INFO] [stderr]   explicit panic
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56c353106f61 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x56c353117bfa - core[a373ad73a504971]::fmt::write
[INFO] [stderr]      2:     0x56c35310a5dc - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x56c3530f0c06 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x56c353103531 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]      5:     0x56c3531036eb - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x56c3530f029c - std[617be2ca0a6fd877]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]      7:     0x56c3530e9d39 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]      8:     0x56c3530e80bb - std[617be2ca0a6fd877]::panicking::begin_panic::<&str>
[INFO] [stderr]      9:     0x56c3530dd7fb - build_script_build[d9a81ba96ec5959b]::main
[INFO] [stderr]     10:     0x56c3530dfb3b - <fn() as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     11:     0x56c3530dc5a6 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     12:     0x56c3530dcb79 - std[617be2ca0a6fd877]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     13:     0x56c353102cd8 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]     14:     0x56c3530dc371 - std[617be2ca0a6fd877]::rt::lang_start::<()>
[INFO] [stderr]     15:     0x56c3530dfbc5 - main
[INFO] [stderr]     16:     0x79d1736f5601 - <unknown>
[INFO] [stderr]     17:     0x79d1736f5718 - __libc_start_main
[INFO] [stderr]     18:     0x56c3530db685 - _start
[INFO] [stderr]     19:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1e86d99bd13c6aa581be02f2a4e3a538450c72d8dfff2b21c49465abb30b67ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e86d99bd13c6aa581be02f2a4e3a538450c72d8dfff2b21c49465abb30b67ce", kill_on_drop: false }`
[INFO] [stdout] 1e86d99bd13c6aa581be02f2a4e3a538450c72d8dfff2b21c49465abb30b67ce
