[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#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinuss%2Fsynth" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/linuss/synth on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/linuss/synth 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-hash v1.0.1
[INFO] [stderr]   Downloaded shlex v0.1.1
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.3
[INFO] [stderr]   Downloaded bindgen v0.51.1
[INFO] [stderr]   Downloaded coreaudio-rs v0.9.1
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded cc v1.0.49
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34c8e48d09ec2a0d8fa8f14c872c59ee2e6117c6ab8ee3b166be793f243a7803
[INFO] running `Command { std: "docker" "start" "-a" "34c8e48d09ec2a0d8fa8f14c872c59ee2e6117c6ab8ee3b166be793f243a7803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34c8e48d09ec2a0d8fa8f14c872c59ee2e6117c6ab8ee3b166be793f243a7803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c8e48d09ec2a0d8fa8f14c872c59ee2e6117c6ab8ee3b166be793f243a7803", kill_on_drop: false }`
[INFO] [stdout] 34c8e48d09ec2a0d8fa8f14c872c59ee2e6117c6ab8ee3b166be793f243a7803
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48633d2d9096045b91ba5b6d155b7e8a895695c1e174b86efb3667d1fbab9c74
[INFO] running `Command { std: "docker" "start" "-a" "48633d2d9096045b91ba5b6d155b7e8a895695c1e174b86efb3667d1fbab9c74", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling quote v1.0.2
[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] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_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/debug/build/coreaudio-sys-3f5b75a272a93b7f/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (590) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/coreaudio-sys-0.2.3/build.rs:111:9:
[INFO] [stderr]   coreaudio-sys requires macos or ios target
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5b64ca545658 - std[9f9133222b94bf54]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5b64ca545658 - std[9f9133222b94bf54]::backtrace_rs::backtrace::trace_unsynchronized::<std[9f9133222b94bf54]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5b64ca545658 - std[9f9133222b94bf54]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5b64ca545658 - <<std[9f9133222b94bf54]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[9c1a98c9f1dee6fa]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5b64ca55adda - <core[9c1a98c9f1dee6fa]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5b64ca55adda - core[9c1a98c9f1dee6fa]::fmt::write
[INFO] [stderr]      6:     0x5b64ca54a512 - std[9f9133222b94bf54]::io::default_write_fmt::<std[9f9133222b94bf54]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x5b64ca54a512 - <std[9f9133222b94bf54]::sys::stdio::unix::Stderr as std[9f9133222b94bf54]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x5b64ca528d36 - <std[9f9133222b94bf54]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5b64ca528d36 - std[9f9133222b94bf54]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5b64ca540381 - std[9f9133222b94bf54]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5b64ca54053b - std[9f9133222b94bf54]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5b64ca52834c - std[9f9133222b94bf54]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panicking.rs:762:9
[INFO] [stderr]     13:     0x5b64ca51df09 - std[9f9133222b94bf54]::sys::backtrace::__rust_end_short_backtrace::<std[9f9133222b94bf54]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5b64ca51b380 - std[9f9133222b94bf54]::panicking::begin_panic::<&str>
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panicking.rs:761:5
[INFO] [stderr]     15:     0x5b64ca1eb772 - build_script_build[9d10c9133d48fd42]::main
[INFO] [stderr]     16:     0x5b64ca1edcd3 - <fn() as core[9c1a98c9f1dee6fa]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     17:     0x5b64ca1eb1d6 - std[9f9133222b94bf54]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     18:     0x5b64ca1eb449 - std[9f9133222b94bf54]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     19:     0x5b64ca53f557 - <&dyn core[9c1a98c9f1dee6fa]::ops::function::Fn<(), Output = i32> + core[9c1a98c9f1dee6fa]::panic::unwind_safe::RefUnwindSafe + core[9c1a98c9f1dee6fa]::marker::Sync as core[9c1a98c9f1dee6fa]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     20:     0x5b64ca53f557 - std[9f9133222b94bf54]::panicking::catch_unwind::do_call::<&dyn core[9c1a98c9f1dee6fa]::ops::function::Fn<(), Output = i32> + core[9c1a98c9f1dee6fa]::panic::unwind_safe::RefUnwindSafe + core[9c1a98c9f1dee6fa]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panicking.rs:581:40
[INFO] [stderr]     21:     0x5b64ca53f557 - std[9f9133222b94bf54]::panicking::catch_unwind::<i32, &dyn core[9c1a98c9f1dee6fa]::ops::function::Fn<(), Output = i32> + core[9c1a98c9f1dee6fa]::panic::unwind_safe::RefUnwindSafe + core[9c1a98c9f1dee6fa]::marker::Sync>
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panicking.rs:544:19
[INFO] [stderr]     22:     0x5b64ca53f557 - std[9f9133222b94bf54]::panic::catch_unwind::<&dyn core[9c1a98c9f1dee6fa]::ops::function::Fn<(), Output = i32> + core[9c1a98c9f1dee6fa]::panic::unwind_safe::RefUnwindSafe + core[9c1a98c9f1dee6fa]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panic.rs:359:14
[INFO] [stderr]     23:     0x5b64ca53f557 - std[9f9133222b94bf54]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/rt.rs:175:24
[INFO] [stderr]     24:     0x5b64ca53f557 - std[9f9133222b94bf54]::panicking::catch_unwind::do_call::<std[9f9133222b94bf54]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5b64ca53f557 - std[9f9133222b94bf54]::panicking::catch_unwind::<isize, std[9f9133222b94bf54]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5b64ca53f557 - std[9f9133222b94bf54]::panic::catch_unwind::<std[9f9133222b94bf54]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5b64ca53f557 - std[9f9133222b94bf54]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/b28cc4eb48a6415b914e8ad0308be255ff8d73ed/library/std/src/rt.rs:171:5
[INFO] [stderr]     28:     0x5b64ca1eb0e1 - std[9f9133222b94bf54]::rt::lang_start::<()>
[INFO] [stderr]     29:     0x5b64ca1edfe5 - main
[INFO] [stderr]     30:     0x7aff05ecc1ca - <unknown>
[INFO] [stderr]     31:     0x7aff05ecc28b - __libc_start_main
[INFO] [stderr]     32:     0x5b64ca1ea435 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "48633d2d9096045b91ba5b6d155b7e8a895695c1e174b86efb3667d1fbab9c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48633d2d9096045b91ba5b6d155b7e8a895695c1e174b86efb3667d1fbab9c74", kill_on_drop: false }`
[INFO] [stdout] 48633d2d9096045b91ba5b6d155b7e8a895695c1e174b86efb3667d1fbab9c74
