[INFO] cloning repository https://github.com/klingtnet/ytterbium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klingtnet/ytterbium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklingtnet%2Fytterbium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklingtnet%2Fytterbium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a210daece1b61a40b35e74ed6a583bf8ea4a6fd
[INFO] testing klingtnet/ytterbium against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklingtnet%2Fytterbium" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/klingtnet/ytterbium on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/klingtnet/ytterbium
[INFO] finished tweaking git repo https://github.com/klingtnet/ytterbium
[INFO] tweaked toml for git repo https://github.com/klingtnet/ytterbium written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/klingtnet/ytterbium already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fd731a9cfe6778e02b82bafcf494575a0eef9ab2330b44edef2af214dd802d7
[INFO] running `Command { std: "docker" "start" "-a" "7fd731a9cfe6778e02b82bafcf494575a0eef9ab2330b44edef2af214dd802d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fd731a9cfe6778e02b82bafcf494575a0eef9ab2330b44edef2af214dd802d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd731a9cfe6778e02b82bafcf494575a0eef9ab2330b44edef2af214dd802d7", kill_on_drop: false }`
[INFO] [stdout] 7fd731a9cfe6778e02b82bafcf494575a0eef9ab2330b44edef2af214dd802d7
[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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 129ac8dfee01da5e49a3af5d223a796fc324c97cb1dbf3894fff5e8f7c0bc62e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "129ac8dfee01da5e49a3af5d223a796fc324c97cb1dbf3894fff5e8f7c0bc62e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling serde v0.7.15
[INFO] [stderr]    Compiling rb v0.2.0
[INFO] [stderr]    Compiling portmidi v0.2.4
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling rsoundio v0.1.6
[INFO] [stderr]    Compiling rosc v0.1.5
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr] error: failed to run custom build command for `rsoundio v0.1.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rsoundio-295f3a3a97ef6d83/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-lib=dylib=soundio
[INFO] [stderr]   cargo:rustc-link-search=native=/opt/rustwide/target/debug/build/rsoundio-6e1149b058a375d8/out/lib
[INFO] [stderr]   cargo:include=/opt/rustwide/target/debug/build/rsoundio-6e1149b058a375d8/out/include
[INFO] [stderr]   cargo:root=/opt/rustwide/target/debug/build/rsoundio-6e1149b058a375d8/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at '/opt/rustwide/target/debug/build/rsoundio-6e1149b058a375d8/out/libsoundio-1.1.0/build: No such file or directory (os error 2)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rsoundio-0.1.6/build.rs:108:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d6fc7ea040 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55d6fc7ea040 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55d6fc7ea040 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55d6fc7ea040 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55d6fc808ebc - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x55d6fc7e71f7 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]      6:     0x55d6fc7ec670 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55d6fc7ec670 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55d6fc7ec670 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x55d6fc7ec3bc - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x55d6fc7eccd3 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x55d6fc7a64bb - std::panicking::begin_panic::{{closure}}::hab4751a7cace74f3
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]     12:     0x55d6fc7a5c6e - std::sys_common::backtrace::__rust_end_short_backtrace::h2daf2923d782f236
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55d6fc7a63b4 - std::panicking::begin_panic::h9774363407908884
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]     14:     0x55d6fc7a4fea - build_script_build::build::h3bf0e3ba4196ffdd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rsoundio-0.1.6/build.rs:108
[INFO] [stderr]     15:     0x55d6fc7a35ff - build_script_build::linux::h7d2fa314ac8001e1
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rsoundio-0.1.6/build.rs:51
[INFO] [stderr]     16:     0x55d6fc7a3784 - build_script_build::main::h4636d7730ae13311
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rsoundio-0.1.6/build.rs:66
[INFO] [stderr]     17:     0x55d6fc7a5e7b - core::ops::function::FnOnce::call_once::had99fa9f877071ab
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]     18:     0x55d6fc7a5cae - std::sys_common::backtrace::__rust_begin_short_backtrace::h42230d049d055248
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     19:     0x55d6fc7a70f1 - std::rt::lang_start::{{closure}}::h51fca818a89ab9b0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:66
[INFO] [stderr]     20:     0x55d6fc7ed0d1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stderr]     21:     0x55d6fc7ed0d1 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]     22:     0x55d6fc7ed0d1 - std::panicking::try::h6311c259678e50fc
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]     23:     0x55d6fc7ed0d1 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]     24:     0x55d6fc7ed0d1 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stderr]     25:     0x55d6fc7a70c7 - std::rt::lang_start::hd94cf1a42cc4c7b7
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:65
[INFO] [stderr]     26:     0x55d6fc7a573a - main
[INFO] [stderr]     27:     0x7f84394eb0b3 - __libc_start_main
[INFO] [stderr]     28:     0x55d6fc7a30ce - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "129ac8dfee01da5e49a3af5d223a796fc324c97cb1dbf3894fff5e8f7c0bc62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129ac8dfee01da5e49a3af5d223a796fc324c97cb1dbf3894fff5e8f7c0bc62e", kill_on_drop: false }`
[INFO] [stdout] 129ac8dfee01da5e49a3af5d223a796fc324c97cb1dbf3894fff5e8f7c0bc62e
