[INFO] updating cached repository https://github.com/oxcable/subtractive-synth
[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] be36f42912b54051bd058abcc8000864508d2f45
[INFO] checking oxcable/subtractive-synth against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxcable%2Fsubtractive-synth" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oxcable/subtractive-synth on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oxcable/subtractive-synth
[INFO] finished tweaking git repo https://github.com/oxcable/subtractive-synth
[INFO] tweaked toml for git repo https://github.com/oxcable/subtractive-synth written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/oxcable/subtractive-synth already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-7/source/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `/workspace/builds/worker-7/source/src/main.rs` was erroneously implicitly accepted for binary `run-subtractive-synth`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-7/source/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `/workspace/builds/worker-7/source/src/main.rs` was erroneously implicitly accepted for binary `run-subtractive-synth`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 35a145aa19f16bd8a9b5ac61e5f7b7b1ef8f9eaf0f7e087d9171963b356f8bc5
[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" "35a145aa19f16bd8a9b5ac61e5f7b7b1ef8f9eaf0f7e087d9171963b356f8bc5"`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/main.rs` was erroneously implicitly accepted for binary `run-subtractive-synth`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]    Compiling portaudio v0.5.1
[INFO] [stderr]     Checking portmidi v0.1.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr] error: failed to run custom build command for `portaudio v0.5.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/portaudio-1e879cf225f88f66/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-0.5.1/build.rs:83:23
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55eb14a4614a - backtrace::backtrace::libunwind::trace::hef9286fd8c27fd45
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55eb14a4614a - backtrace::backtrace::trace_unsynchronized::h92082381ae588065
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55eb14a4614a - std::sys_common::backtrace::_print_fmt::h00c64aa4e7e3372c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55eb14a4614a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc568c1817d410574
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x55eb14a644cc - core::fmt::write::he445cb7086c25009
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1028
[INFO] [stderr]    5:     0x55eb14a43567 - std::io::Write::write_fmt::he0bcb31f8a60d79b
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55eb14a4863e - std::sys_common::backtrace::_print::h45adb36ea9b21f61
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55eb14a4863e - std::sys_common::backtrace::print::h223c050f40432de9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55eb14a4863e - std::panicking::default_hook::{{closure}}::hf3487b4e375d5982
[INFO] [stderr]                                at src/libstd/panicking.rs:189
[INFO] [stderr]    9:     0x55eb14a48341 - std::panicking::default_hook::h9d095a3a991b35b0
[INFO] [stderr]                                at src/libstd/panicking.rs:206
[INFO] [stderr]   10:     0x55eb14a48c85 - std::panicking::rust_panic_with_hook::h907bb8227c8498d1
[INFO] [stderr]                                at src/libstd/panicking.rs:469
[INFO] [stderr]   11:     0x55eb14a48822 - std::panicking::continue_panic_fmt::h6c8f32a89e529f80
[INFO] [stderr]                                at src/libstd/panicking.rs:376
[INFO] [stderr]   12:     0x55eb14a4877c - std::panicking::begin_panic_fmt::h990ed10387584135
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   13:     0x55eb14a018f7 - build_script_build::unix_platform::build::hbbc3570c232f3174
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portaudio-0.5.1/build.rs:83
[INFO] [stderr]   14:     0x55eb14a02dbd - build_script_build::platform::build::h5a672ffc89bbe76f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portaudio-0.5.1/build.rs:140
[INFO] [stderr]   15:     0x55eb14a031b7 - build_script_build::build::hfeaeda0d5509b450
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portaudio-0.5.1/build.rs:49
[INFO] [stderr]   16:     0x55eb14a0307c - build_script_build::main::h38b8b4553213d819
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portaudio-0.5.1/build.rs:38
[INFO] [stderr]   17:     0x55eb14a04550 - std::rt::lang_start::{{closure}}::hf578e1fea7b6990e
[INFO] [stderr]                                at /rustc/2748a9fd93dd1a00a4521f4f16de5befbf77f6cd/src/libstd/rt.rs:61
[INFO] [stderr]   18:     0x55eb14a48703 - std::rt::lang_start_internal::{{closure}}::h87ac7726b4ada2a9
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x55eb14a48703 - std::panicking::try::do_call::he4d58a26927f0537
[INFO] [stderr]                                at src/libstd/panicking.rs:288
[INFO] [stderr]   20:     0x55eb14a4ee7a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x55eb14a4917d - std::panicking::try::hc8ad7011d3baf74d
[INFO] [stderr]                                at src/libstd/panicking.rs:267
[INFO] [stderr]   22:     0x55eb14a4917d - std::panic::catch_unwind::haaf07c0b1c45cbc8
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55eb14a4917d - std::rt::lang_start_internal::h53afdaeda14f9890
[INFO] [stderr]                                at src/libstd/rt.rs:47
[INFO] [stderr]   24:     0x55eb14a04529 - std::rt::lang_start::h8d38116980c9657a
[INFO] [stderr]                                at /rustc/2748a9fd93dd1a00a4521f4f16de5befbf77f6cd/src/libstd/rt.rs:61
[INFO] [stderr]   25:     0x55eb14a0323a - main
[INFO] [stderr]   26:     0x7f93c5186b97 - __libc_start_main
[INFO] [stderr]   27:     0x55eb14a014fa - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "35a145aa19f16bd8a9b5ac61e5f7b7b1ef8f9eaf0f7e087d9171963b356f8bc5"`
[INFO] running `"docker" "rm" "-f" "35a145aa19f16bd8a9b5ac61e5f7b7b1ef8f9eaf0f7e087d9171963b356f8bc5"`
[INFO] [stdout] 35a145aa19f16bd8a9b5ac61e5f7b7b1ef8f9eaf0f7e087d9171963b356f8bc5