[INFO] cloning repository https://github.com/AlienKevin/music-synthesizer-webview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlienKevin/music-synthesizer-webview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlienKevin%2Fmusic-synthesizer-webview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlienKevin%2Fmusic-synthesizer-webview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2650bca5fd29781f7e230197ab06b429bf3fe6c
[INFO] checking AlienKevin/music-synthesizer-webview against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlienKevin%2Fmusic-synthesizer-webview" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlienKevin/music-synthesizer-webview
[INFO] finished tweaking git repo https://github.com/AlienKevin/music-synthesizer-webview
[INFO] tweaked toml for git repo https://github.com/AlienKevin/music-synthesizer-webview written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlienKevin/music-synthesizer-webview on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlienKevin/music-synthesizer-webview 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded urlencoding v1.0.0
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded webview-sys v0.3.3
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded cc v1.0.50
[INFO] [stderr]   Downloaded web-view v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00b0475c83a24c4964c0339213c10eb0a910ef4ed79e895556bf3a53e9a11092
[INFO] running `Command { std: "docker" "start" "-a" "00b0475c83a24c4964c0339213c10eb0a910ef4ed79e895556bf3a53e9a11092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00b0475c83a24c4964c0339213c10eb0a910ef4ed79e895556bf3a53e9a11092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b0475c83a24c4964c0339213c10eb0a910ef4ed79e895556bf3a53e9a11092", kill_on_drop: false }`
[INFO] [stdout] 00b0475c83a24c4964c0339213c10eb0a910ef4ed79e895556bf3a53e9a11092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d6f4ab94dcfda84a04c53c4d241e57be29152367123097df421e83688e947e0
[INFO] running `Command { std: "docker" "start" "-a" "6d6f4ab94dcfda84a04c53c4d241e57be29152367123097df421e83688e947e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]    Compiling webview-sys v0.3.3
[INFO] [stderr] error: failed to run custom build command for `webview-sys v0.3.3`
[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/webview-sys-898f175eeed90487/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/webview-sys-0.3.3/build.rs:44:14:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Failure { command: "PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=\"1\" PKG_CONFIG_ALLOW_SYSTEM_LIBS=\"1\" \"pkg-config\" \"--libs\" \"--cflags\" \"webkit2gtk-4.0\" \"webkit2gtk-4.0 >= 2.8\"", output: Output { status: ExitStatus(unix_wait_status(256)), stdout: "", stderr: "Package webkit2gtk-4.0 was not found in the pkg-config search path.\nPerhaps you should add the directory containing `webkit2gtk-4.0.pc'\nto the PKG_CONFIG_PATH environment variable\nPackage 'webkit2gtk-4.0', required by 'virtual:world', not found\nPackage 'webkit2gtk-4.0', required by 'virtual:world', not found\n" } }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56ac9c527fc2 - std::backtrace_rs::backtrace::libunwind::trace::h77d4f1ab393021ff
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x56ac9c527fc2 - std::backtrace_rs::backtrace::trace_unsynchronized::h6b52b199056dc310
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x56ac9c527fc2 - std::sys::backtrace::_print_fmt::h336a00096dca5793
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x56ac9c527fc2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h4e23cde6d13531e6
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x56ac9c54ad83 - core::fmt::rt::Argument::fmt::hd73adb1dd4f13238
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x56ac9c54ad83 - core::fmt::write::h24956daaf3520b88
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]      6:     0x56ac9c524603 - std::io::default_write_fmt::h5ad85cda2d892f3f
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x56ac9c524603 - std::io::Write::write_fmt::h744a9c29e898aaa0
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x56ac9c527e12 - std::sys::backtrace::BacktraceLock::print::h80bc63112117b07d
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x56ac9c5299a6 - std::panicking::default_hook::{{closure}}::hcc0250ffe151a9a2
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x56ac9c5297a9 - std::panicking::default_hook::heb98c3e6f5363c1c
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x56ac9c52a3b2 - std::panicking::rust_panic_with_hook::ha71490f06bda8fdd
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x56ac9c52a14a - std::panicking::begin_panic_handler::{{closure}}::h842d98411b820c95
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x56ac9c5284c9 - std::sys::backtrace::__rust_end_short_backtrace::hc17b54f5216e7287
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x56ac9c529ddd - __rustc[d39aaf4d8a5bdd9]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x56ac9c549c50 - core::panicking::panic_fmt::hafddcaa47f3ecc5a
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x56ac9c54a066 - core::result::unwrap_failed::heb4e3621f080f33c
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/core/src/result.rs:1761:5
[INFO] [stderr]     17:     0x56ac9c4a87f6 - build_script_build::main::hfcfb3f150d5b560a
[INFO] [stderr]     18:     0x56ac9c4a7733 - core::ops::function::FnOnce::call_once::ha4b7896199c8fc9f
[INFO] [stderr]     19:     0x56ac9c4a76b6 - std::sys::backtrace::__rust_begin_short_backtrace::h71fa71f8a3cbc9fd
[INFO] [stderr]     20:     0x56ac9c4a7699 - std::rt::lang_start::{{closure}}::h2201fb13e05ceaca
[INFO] [stderr]     21:     0x56ac9c51fcb0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha6f9c4d44e1a5001
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/core/src/ops/function.rs:284:21
[INFO] [stderr]     22:     0x56ac9c51fcb0 - std::panicking::catch_unwind::do_call::hf103a4d58b5b21e2
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:589:40
[INFO] [stderr]     23:     0x56ac9c51fcb0 - std::panicking::catch_unwind::hd0c31cdd71304f17
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:552:19
[INFO] [stderr]     24:     0x56ac9c51fcb0 - std::panic::catch_unwind::h434b753bad4487d0
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x56ac9c51fcb0 - std::rt::lang_start_internal::{{closure}}::h26129cc9f6eb7a93
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x56ac9c51fcb0 - std::panicking::catch_unwind::do_call::had764bf67fcbab3f
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:589:40
[INFO] [stderr]     27:     0x56ac9c51fcb0 - std::panicking::catch_unwind::h4085a8f2f773b27d
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panicking.rs:552:19
[INFO] [stderr]     28:     0x56ac9c51fcb0 - std::panic::catch_unwind::h3198cebd91ce9b7d
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x56ac9c51fcb0 - std::rt::lang_start_internal::hf25b94b42aad689d
[INFO] [stderr]                                  at /rustc/8f21a5c92ea55c348c275a1bc4fedbdf181e0d64/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x56ac9c4a7681 - std::rt::lang_start::he3e7423a4a09e435
[INFO] [stderr]     31:     0x56ac9c4a8d35 - main
[INFO] [stderr]     32:     0x7e4ba701f1ca - <unknown>
[INFO] [stderr]     33:     0x7e4ba701f28b - __libc_start_main
[INFO] [stderr]     34:     0x56ac9c4a6f45 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6d6f4ab94dcfda84a04c53c4d241e57be29152367123097df421e83688e947e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6f4ab94dcfda84a04c53c4d241e57be29152367123097df421e83688e947e0", kill_on_drop: false }`
[INFO] [stdout] 6d6f4ab94dcfda84a04c53c4d241e57be29152367123097df421e83688e947e0
