[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 try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlienKevin%2Fmusic-synthesizer-webview" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlienKevin/music-synthesizer-webview on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b1462c46124bb362881bb9941a4f4609f933c802c032c36d2a98254d67e7f55
[INFO] running `Command { std: "docker" "start" "-a" "5b1462c46124bb362881bb9941a4f4609f933c802c032c36d2a98254d67e7f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b1462c46124bb362881bb9941a4f4609f933c802c032c36d2a98254d67e7f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1462c46124bb362881bb9941a4f4609f933c802c032c36d2a98254d67e7f55", kill_on_drop: false }`
[INFO] [stdout] 5b1462c46124bb362881bb9941a4f4609f933c802c032c36d2a98254d67e7f55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90fb9deab3d753bead5d68f1a0f9af95996e50e5ec5393faf5311a47f55f9c1f
[INFO] running `Command { std: "docker" "start" "-a" "90fb9deab3d753bead5d68f1a0f9af95996e50e5ec5393faf5311a47f55f9c1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[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-06b37d1efa278b1d/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (96) 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:     0x60fe926b66f2 - std[43ae684023c25a2a]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x60fe926b66f2 - std[43ae684023c25a2a]::backtrace_rs::backtrace::trace_unsynchronized::<std[43ae684023c25a2a]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x60fe926b66f2 - std[43ae684023c25a2a]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x60fe926b66f2 - <<std[43ae684023c25a2a]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7871b02e0b51a751]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x60fe926cac57 - <core[7871b02e0b51a751]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x60fe926cac57 - core[7871b02e0b51a751]::fmt::write
[INFO] [stderr]      6:     0x60fe926bd076 - std[43ae684023c25a2a]::io::default_write_fmt::<std[43ae684023c25a2a]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x60fe926bd076 - <std[43ae684023c25a2a]::sys::stdio::unix::Stderr as std[43ae684023c25a2a]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x60fe92696fef - <std[43ae684023c25a2a]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x60fe92696fef - std[43ae684023c25a2a]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x60fe926b08b1 - std[43ae684023c25a2a]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x60fe926b0a6b - std[43ae684023c25a2a]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x60fe926970a8 - std[43ae684023c25a2a]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x60fe9268c0a9 - std[43ae684023c25a2a]::sys::backtrace::__rust_end_short_backtrace::<std[43ae684023c25a2a]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x60fe92697b1d - __rustc[433ae5f366d24b8b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x60fe926cb30c - core[7871b02e0b51a751]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x60fe926cb082 - core[7871b02e0b51a751]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x60fe9262c58c - build_script_build[5dd3e2aa7b972b25]::main
[INFO] [stderr]     18:     0x60fe9262d443 - <fn() as core[7871b02e0b51a751]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x60fe9262be46 - std[43ae684023c25a2a]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x60fe9262be99 - std[43ae684023c25a2a]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x60fe926af9f6 - <&dyn core[7871b02e0b51a751]::ops::function::Fn<(), Output = i32> + core[7871b02e0b51a751]::marker::Sync + core[7871b02e0b51a751]::panic::unwind_safe::RefUnwindSafe as core[7871b02e0b51a751]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /checkout/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x60fe926af9f6 - std[43ae684023c25a2a]::panicking::catch_unwind::do_call::<&dyn core[7871b02e0b51a751]::ops::function::Fn<(), Output = i32> + core[7871b02e0b51a751]::marker::Sync + core[7871b02e0b51a751]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x60fe926af9f6 - std[43ae684023c25a2a]::panicking::catch_unwind::<i32, &dyn core[7871b02e0b51a751]::ops::function::Fn<(), Output = i32> + core[7871b02e0b51a751]::marker::Sync + core[7871b02e0b51a751]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x60fe926af9f6 - std[43ae684023c25a2a]::panic::catch_unwind::<&dyn core[7871b02e0b51a751]::ops::function::Fn<(), Output = i32> + core[7871b02e0b51a751]::marker::Sync + core[7871b02e0b51a751]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x60fe926af9f6 - std[43ae684023c25a2a]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x60fe926af9f6 - std[43ae684023c25a2a]::panicking::catch_unwind::do_call::<std[43ae684023c25a2a]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x60fe926af9f6 - std[43ae684023c25a2a]::panicking::catch_unwind::<isize, std[43ae684023c25a2a]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x60fe926af9f6 - std[43ae684023c25a2a]::panic::catch_unwind::<std[43ae684023c25a2a]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x60fe926af9f6 - std[43ae684023c25a2a]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/e983148bd5f0f0db270bfb72149f5e892e68b67f/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x60fe9262be11 - std[43ae684023c25a2a]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x60fe9262d4a5 - main
[INFO] [stderr]     32:     0x7c326c2151ca - <unknown>
[INFO] [stderr]     33:     0x7c326c21528b - __libc_start_main
[INFO] [stderr]     34:     0x60fe9262b7f5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "90fb9deab3d753bead5d68f1a0f9af95996e50e5ec5393faf5311a47f55f9c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90fb9deab3d753bead5d68f1a0f9af95996e50e5ec5393faf5311a47f55f9c1f", kill_on_drop: false }`
[INFO] [stdout] 90fb9deab3d753bead5d68f1a0f9af95996e50e5ec5393faf5311a47f55f9c1f
