[INFO] cloning repository https://github.com/kguinto/react-webview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kguinto/react-webview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkguinto%2Freact-webview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkguinto%2Freact-webview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9320b2fc2b1446bfe01948a566522d6f56ca881
[INFO] testing kguinto/react-webview against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkguinto%2Freact-webview" "/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/kguinto/react-webview
[INFO] finished tweaking git repo https://github.com/kguinto/react-webview
[INFO] tweaked toml for git repo https://github.com/kguinto/react-webview written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kguinto/react-webview on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kguinto/react-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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7d0f11d6b4fb4c73ba0d0138cfc3e72336be15ced3f6401186cb548a9e77b82b
[INFO] running `Command { std: "docker" "start" "7d0f11d6b4fb4c73ba0d0138cfc3e72336be15ced3f6401186cb548a9e77b82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d0f11d6b4fb4c73ba0d0138cfc3e72336be15ced3f6401186cb548a9e77b82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d0f11d6b4fb4c73ba0d0138cfc3e72336be15ced3f6401186cb548a9e77b82b" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d0f11d6b4fb4c73ba0d0138cfc3e72336be15ced3f6401186cb548a9e77b82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7d0f11d6b4fb4c73ba0d0138cfc3e72336be15ced3f6401186cb548a9e77b82b" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling urlencoding v1.0.0
[INFO] [stderr]    Compiling rust-embed-utils v5.0.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling http v0.1.19
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling webview-sys v0.3.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling rust-embed-impl v5.1.0
[INFO] [stderr] error: failed to run custom build command for `webview-sys v0.3.2`
[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-5d7b6c6ffa45d7d6/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (904) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/webview-sys-0.3.2/build.rs:40:14:
[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:     0x6546bb690821 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x6546bb690821 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x6546bb690821 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x6546bb690821 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x6546bb6a462a - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x6546bb6a462a - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stderr]      6:     0x6546bb69672c - std[73adb7dc35730857]::io::default_write_fmt::<std[73adb7dc35730857]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stderr]      7:     0x6546bb69672c - <std[73adb7dc35730857]::sys::stdio::unix::Stderr as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stderr]      8:     0x6546bb6705c6 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x6546bb6705c6 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x6546bb68a451 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x6546bb68a60b - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:815:13
[INFO] [stderr]     12:     0x6546bb670672 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:688:13
[INFO] [stderr]     13:     0x6546bb667e19 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x6546bb670f5d - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stderr]     15:     0x6546bb6a4dfc - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x6546bb6a4b72 - core[6883ba1bc0fe4ed1]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/result.rs:1870:5
[INFO] [stderr]     17:     0x6546bb608fc3 - build_script_build[4ef9e3a5a3a0a942]::main
[INFO] [stderr]     18:     0x6546bb609cd3 - <fn() as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x6546bb608886 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x6546bb6088d9 - std[73adb7dc35730857]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x6546bb689777 - <&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x6546bb689777 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stderr]     23:     0x6546bb689777 - std[73adb7dc35730857]::panicking::catch_unwind::<i32, &dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x6546bb689777 - std[73adb7dc35730857]::panic::catch_unwind::<&dyn core[6883ba1bc0fe4ed1]::ops::function::Fn<(), Output = i32> + core[6883ba1bc0fe4ed1]::panic::unwind_safe::RefUnwindSafe + core[6883ba1bc0fe4ed1]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x6546bb689777 - std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x6546bb689777 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stderr]     27:     0x6546bb689777 - std[73adb7dc35730857]::panicking::catch_unwind::<isize, std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x6546bb689777 - std[73adb7dc35730857]::panic::catch_unwind::<std[73adb7dc35730857]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x6546bb689777 - std[73adb7dc35730857]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x6546bb608871 - std[73adb7dc35730857]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x6546bb609d35 - main
[INFO] [stderr]     32:     0x778d5e31f1ca - <unknown>
[INFO] [stderr]     33:     0x778d5e31f28b - __libc_start_main
[INFO] [stderr]     34:     0x6546bb608255 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7d0f11d6b4fb4c73ba0d0138cfc3e72336be15ced3f6401186cb548a9e77b82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0f11d6b4fb4c73ba0d0138cfc3e72336be15ced3f6401186cb548a9e77b82b", kill_on_drop: false }`
[INFO] [stdout] 7d0f11d6b4fb4c73ba0d0138cfc3e72336be15ced3f6401186cb548a9e77b82b
