[INFO] cloning repository https://github.com/overminder/cs510-comp-sound
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/overminder/cs510-comp-sound" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverminder%2Fcs510-comp-sound", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverminder%2Fcs510-comp-sound'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aec1f233f8e3753dfd1e1e3f6c8812b6e4f0db97
[INFO] testing overminder/cs510-comp-sound against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverminder%2Fcs510-comp-sound" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  88% (262/297)   
Checking out files:  89% (265/297)   
Checking out files:  90% (268/297)   
Checking out files:  91% (271/297)   
Checking out files:  92% (274/297)   
Checking out files:  93% (277/297)   
Checking out files:  94% (280/297)   
Checking out files:  95% (283/297)   
Checking out files:  96% (286/297)   
Checking out files:  97% (289/297)   
Checking out files:  98% (292/297)   
Checking out files:  99% (295/297)   
Checking out files: 100% (297/297)   
Checking out files: 100% (297/297), done.
[INFO] validating manifest of git repo https://github.com/overminder/cs510-comp-sound on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/overminder/cs510-comp-sound
[INFO] disabled cargo feature 'default-run' from git repo https://github.com/overminder/cs510-comp-sound
[INFO] finished tweaking git repo https://github.com/overminder/cs510-comp-sound
[INFO] tweaked toml for git repo https://github.com/overminder/cs510-comp-sound written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/overminder/cs510-comp-sound already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7b5e179daf0c6c8dcc63a1a7cf3b22ae53dc32d9b6bd5cf2837b32073fc0548
[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" "c7b5e179daf0c6c8dcc63a1a7cf3b22ae53dc32d9b6bd5cf2837b32073fc0548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7b5e179daf0c6c8dcc63a1a7cf3b22ae53dc32d9b6bd5cf2837b32073fc0548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b5e179daf0c6c8dcc63a1a7cf3b22ae53dc32d9b6bd5cf2837b32073fc0548", kill_on_drop: false }`
[INFO] [stdout] c7b5e179daf0c6c8dcc63a1a7cf3b22ae53dc32d9b6bd5cf2837b32073fc0548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d93f04e4fa680a733bc3509c4afd004db5ee81179de380b1c27d8323e1e0adcf
[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" "d93f04e4fa680a733bc3509c4afd004db5ee81179de380b1c27d8323e1e0adcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling claxon v0.4.2
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling portaudio v0.7.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr] error: failed to run custom build command for `portaudio v0.7.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/portaudio-b2e4cb688732658b/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'No such file or directory (os error 2)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portaudio-0.7.0/build.rs:83:23
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a7623f3950 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55a7623f3950 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a7623f3950 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55a7623f3950 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he009dcaaa75eed60
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55a762411b3c - core::fmt::write::h77b4746b0dea1dd3
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55a7623f0cc2 - std::io::Write::write_fmt::heb7e50902e98831c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x55a7623f5bf5 - std::sys_common::backtrace::_print::h2d880c9e69a21be9
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55a7623f5bf5 - std::sys_common::backtrace::print::h5f02b1bb49f36879
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55a7623f5bf5 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55a7623f5898 - std::panicking::default_hook::hb52d73f0da9a4bb8
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55a7623f6331 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x55a7623f5e77 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x55a7623f3e0c - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55a7623f5dd9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x55a7623f5d8b - std::panicking::begin_panic_fmt::h4a7e15187eac098d
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:437:5
[INFO] [stderr]     15:     0x55a7623af447 - build_script_build::unix_platform::build::hde04dbbdec40eb87
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portaudio-0.7.0/build.rs:83:23
[INFO] [stderr]     16:     0x55a7623afeb3 - build_script_build::platform::build::hf5e2c7ca07f186e2
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portaudio-0.7.0/build.rs:140:9
[INFO] [stderr]     17:     0x55a7623b0bde - build_script_build::build::hb48da6bc983444b7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portaudio-0.7.0/build.rs:49:9
[INFO] [stderr]     18:     0x55a7623b0a6b - build_script_build::main::h7024bc5ede3e4f5b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portaudio-0.7.0/build.rs:38:5
[INFO] [stderr]     19:     0x55a7623b037b - core::ops::function::FnOnce::call_once::h493f8d96bfd643e5
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55a7623b027e - std::sys_common::backtrace::__rust_begin_short_backtrace::h10579f9fe971953d
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55a7623b11e1 - std::rt::lang_start::{{closure}}::h4a8c5bee15e848ae
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x55a7623f6757 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h57e2a071d427b24c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55a7623f6757 - std::panicking::try::do_call::h81cbbe0c3b30a28e
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40
[INFO] [stderr]     24:     0x55a7623f6757 - std::panicking::try::hbeeb95b4e1f0a876
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19
[INFO] [stderr]     25:     0x55a7623f6757 - std::panic::catch_unwind::h59c48ccb40a0bf20
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x55a7623f6757 - std::rt::lang_start_internal::ha53ab63f88fee728
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x55a7623b11b7 - std::rt::lang_start::h4222b20ab6a30e1e
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x55a7623b0c8a - main
[INFO] [stderr]     29:     0x7fe5cce460b3 - __libc_start_main
[INFO] [stderr]     30:     0x55a7623af0be - _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" "d93f04e4fa680a733bc3509c4afd004db5ee81179de380b1c27d8323e1e0adcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93f04e4fa680a733bc3509c4afd004db5ee81179de380b1c27d8323e1e0adcf", kill_on_drop: false }`
[INFO] [stdout] d93f04e4fa680a733bc3509c4afd004db5ee81179de380b1c27d8323e1e0adcf