[INFO] cloning repository https://github.com/linuss/synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linuss/synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinuss%2Fsynth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinuss%2Fsynth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38f4acb13b747386fe54b4477b0239b0a7daedf8
[INFO] checking linuss/synth against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinuss%2Fsynth" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linuss/synth on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/linuss/synth
[INFO] finished tweaking git repo https://github.com/linuss/synth
[INFO] tweaked toml for git repo https://github.com/linuss/synth written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/linuss/synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3310ca84570a5d2e0931ca53613f89cca48bf9abb1a33edebfd1916f4690b906
[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" "3310ca84570a5d2e0931ca53613f89cca48bf9abb1a33edebfd1916f4690b906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3310ca84570a5d2e0931ca53613f89cca48bf9abb1a33edebfd1916f4690b906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3310ca84570a5d2e0931ca53613f89cca48bf9abb1a33edebfd1916f4690b906", kill_on_drop: false }`
[INFO] [stdout] 3310ca84570a5d2e0931ca53613f89cca48bf9abb1a33edebfd1916f4690b906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053401c252a7a3aa4a42576f811de4cbbf7fa16ef09840b8d3791637e1147ec2
[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" "053401c252a7a3aa4a42576f811de4cbbf7fa16ef09840b8d3791637e1147ec2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling coreaudio-sys v0.2.3
[INFO] [stderr] error: failed to run custom build command for `coreaudio-sys v0.2.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/coreaudio-sys-0ff47e592b86f18b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'coreaudio-sys requires macos or ios target', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/coreaudio-sys-0.2.3/build.rs:111:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55937cd4017c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55937cd4017c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55937cd4017c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55937cd4017c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55937cd64d4c - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x55937cd3c5a5 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x55937cd41a90 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55937cd41a90 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55937cd41a90 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x55937cd4163b - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x55937cd42144 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x55937cc8abc2 - std::panicking::begin_panic::{{closure}}::he74bf085273b0cbf
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:526:9
[INFO] [stderr]     12:     0x55937cc8b0b9 - std::sys_common::backtrace::__rust_end_short_backtrace::h7e929e3261b85e42
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x55937cc8ab03 - std::panicking::begin_panic::h477f37e3ab25607c
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:525:12
[INFO] [stderr]     14:     0x55937c85d708 - build_script_build::main::h9169e7e9961aa21d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/coreaudio-sys-0.2.3/build.rs:111:9
[INFO] [stderr]     15:     0x55937c85e73b - core::ops::function::FnOnce::call_once::hdd0d3df5e13087f5
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x55937c85e62e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbe7e2bf48c7c60cc
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     17:     0x55937c85d8a1 - std::rt::lang_start::{{closure}}::hdc23cd4b1b23f15f
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:145:18
[INFO] [stderr]     18:     0x55937cd3f9c1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0e73392810ecd318
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x55937cd3f9c1 - std::panicking::try::do_call::h12dcb4a4f352a507
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:406:40
[INFO] [stderr]     20:     0x55937cd3f9c1 - std::panicking::try::h0d978c76ab4a3863
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:370:19
[INFO] [stderr]     21:     0x55937cd3f9c1 - std::panic::catch_unwind::hab40227675186980
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panic.rs:133:14
[INFO] [stderr]     22:     0x55937cd3f9c1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:128:48
[INFO] [stderr]     23:     0x55937cd3f9c1 - std::panicking::try::do_call::h38e7a9128f21d387
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:406:40
[INFO] [stderr]     24:     0x55937cd3f9c1 - std::panicking::try::h32d4e72fd8922bce
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panicking.rs:370:19
[INFO] [stderr]     25:     0x55937cd3f9c1 - std::panic::catch_unwind::h9a345671d889d41f
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/panic.rs:133:14
[INFO] [stderr]     26:     0x55937cd3f9c1 - std::rt::lang_start_internal::h9e691a4f557eb2a3
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:128:20
[INFO] [stderr]     27:     0x55937c85d870 - std::rt::lang_start::hdba8a06a005cd179
[INFO] [stderr]                                  at /rustc/cac44d9528e3bbbdaa1537d187bd489ccc5de18c/library/std/src/rt.rs:144:17
[INFO] [stderr]     28:     0x55937c85d83c - main
[INFO] [stderr]     29:     0x7f548795d0b3 - __libc_start_main
[INFO] [stderr]     30:     0x55937c85befe - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "053401c252a7a3aa4a42576f811de4cbbf7fa16ef09840b8d3791637e1147ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053401c252a7a3aa4a42576f811de4cbbf7fa16ef09840b8d3791637e1147ec2", kill_on_drop: false }`
[INFO] [stdout] 053401c252a7a3aa4a42576f811de4cbbf7fa16ef09840b8d3791637e1147ec2