[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 1.97.0-beta.6 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kguinto/react-webview on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded urlencoding v1.0.0
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded web-view v0.5.3
[INFO] [stderr]   Downloaded webview-sys v0.3.2
[INFO] [stderr]   Downloaded tokio-tcp v0.1.3
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded rust-embed-utils v5.0.0
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded string v0.2.1
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded lock_api v0.3.1
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.1.2
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded want v0.2.0
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded tokio-reactor v0.1.10
[INFO] [stderr]   Downloaded smallvec v0.6.13
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.6
[INFO] [stderr]   Downloaded rust-embed-impl v5.1.0
[INFO] [stderr]   Downloaded tokio-executor v0.1.8
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded http-body v0.1.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded tokio-timer v0.2.11
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded net2 v0.2.33
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded tokio-io v0.1.12
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded tokio-sync v0.1.7
[INFO] [stderr]   Downloaded parking_lot_core v0.6.2
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.16
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded http v0.1.19
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded hyper v0.12.35
[INFO] [stderr]   Downloaded h2 v0.1.26
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded rust-embed v5.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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] 4f6444914fd740db68b26131be987fa787f4890f7389f3c73f4b5ed54275e6c6
[INFO] running `Command { std: "docker" "start" "4f6444914fd740db68b26131be987fa787f4890f7389f3c73f4b5ed54275e6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6444914fd740db68b26131be987fa787f4890f7389f3c73f4b5ed54275e6c6", 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" "4f6444914fd740db68b26131be987fa787f4890f7389f3c73f4b5ed54275e6c6" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6444914fd740db68b26131be987fa787f4890f7389f3c73f4b5ed54275e6c6", 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" "4f6444914fd740db68b26131be987fa787f4890f7389f3c73f4b5ed54275e6c6" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "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 scopeguard v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.13
[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 crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rust-embed-utils v5.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[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 time v0.1.42
[INFO] [stderr]    Compiling webview-sys v0.3.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling http v0.1.19
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[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' (811) 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:     0x649c058688c8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x649c058688c8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x649c058688c8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x649c058688c8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x649c0587c52a - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x649c0587c52a - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stderr]      6:     0x649c0586e952 - std[10d71ac2c42b111e]::io::default_write_fmt::<std[10d71ac2c42b111e]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stderr]      7:     0x649c0586e952 - <std[10d71ac2c42b111e]::sys::stdio::unix::Stderr as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stderr]      8:     0x649c058490d6 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x649c058490d6 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x649c05862971 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x649c05862b2b - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x649c05849192 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x649c0583e249 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x649c05849bcd - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x649c0587ccbc - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x649c0587ca32 - core[8fb95b77d25ab6c8]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x649c057e0863 - build_script_build[d5837784b59119aa]::main
[INFO] [stderr]     18:     0x649c057e1573 - <fn() as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x649c057e0126 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x649c057e0179 - std[10d71ac2c42b111e]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x649c05861ad7 - <&dyn core[8fb95b77d25ab6c8]::ops::function::Fn<(), Output = i32> + core[8fb95b77d25ab6c8]::panic::unwind_safe::RefUnwindSafe + core[8fb95b77d25ab6c8]::marker::Sync as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x649c05861ad7 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<&dyn core[8fb95b77d25ab6c8]::ops::function::Fn<(), Output = i32> + core[8fb95b77d25ab6c8]::panic::unwind_safe::RefUnwindSafe + core[8fb95b77d25ab6c8]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x649c05861ad7 - std[10d71ac2c42b111e]::panicking::catch_unwind::<i32, &dyn core[8fb95b77d25ab6c8]::ops::function::Fn<(), Output = i32> + core[8fb95b77d25ab6c8]::panic::unwind_safe::RefUnwindSafe + core[8fb95b77d25ab6c8]::marker::Sync>
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x649c05861ad7 - std[10d71ac2c42b111e]::panic::catch_unwind::<&dyn core[8fb95b77d25ab6c8]::ops::function::Fn<(), Output = i32> + core[8fb95b77d25ab6c8]::panic::unwind_safe::RefUnwindSafe + core[8fb95b77d25ab6c8]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x649c05861ad7 - std[10d71ac2c42b111e]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x649c05861ad7 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<std[10d71ac2c42b111e]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x649c05861ad7 - std[10d71ac2c42b111e]::panicking::catch_unwind::<isize, std[10d71ac2c42b111e]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x649c05861ad7 - std[10d71ac2c42b111e]::panic::catch_unwind::<std[10d71ac2c42b111e]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x649c05861ad7 - std[10d71ac2c42b111e]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x649c057e00f1 - std[10d71ac2c42b111e]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x649c057e15d5 - main
[INFO] [stderr]     32:     0x7cfed597b1ca - <unknown>
[INFO] [stderr]     33:     0x7cfed597b28b - __libc_start_main
[INFO] [stderr]     34:     0x649c057dfaf5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4f6444914fd740db68b26131be987fa787f4890f7389f3c73f4b5ed54275e6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6444914fd740db68b26131be987fa787f4890f7389f3c73f4b5ed54275e6c6", kill_on_drop: false }`
[INFO] [stdout] 4f6444914fd740db68b26131be987fa787f4890f7389f3c73f4b5ed54275e6c6
