[INFO] fetching crate wrflib_cef 0.0.3...
[INFO] testing wrflib_cef-0.0.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate wrflib_cef 0.0.3 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate wrflib_cef 0.0.3 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wrflib_cef 0.0.3
[INFO] finished tweaking crates.io crate wrflib_cef 0.0.3
[INFO] tweaked toml for crates.io crate wrflib_cef 0.0.3 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d404e4b639c27912840b3ffbe49e30684c5aa5a67f343264b77fabc5ac8ac633
[INFO] running `Command { std: "docker" "start" "-a" "d404e4b639c27912840b3ffbe49e30684c5aa5a67f343264b77fabc5ac8ac633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d404e4b639c27912840b3ffbe49e30684c5aa5a67f343264b77fabc5ac8ac633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d404e4b639c27912840b3ffbe49e30684c5aa5a67f343264b77fabc5ac8ac633", kill_on_drop: false }`
[INFO] [stdout] d404e4b639c27912840b3ffbe49e30684c5aa5a67f343264b77fabc5ac8ac633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98b3406f67158d627afb729aca4ead9cd72e96633fcca4ab097973f6c96e608b
[INFO] running `Command { std: "docker" "start" "-a" "98b3406f67158d627afb729aca4ead9cd72e96633fcca4ab097973f6c96e608b", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling wrflib_cef_sys v0.0.3
[INFO] [stderr] error: failed to run custom build command for `wrflib_cef_sys v0.0.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/wrflib_cef_sys-f06a74fbf857ca30/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to locate CEF lib path', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wrflib_cef_sys-0.0.3/build.rs:51:42
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557871116c6c - std::backtrace_rs::backtrace::libunwind::trace::h91c465e73bf6c785
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x557871116c6c - std::backtrace_rs::backtrace::trace_unsynchronized::hae9da36f5d58b5f3
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x557871116c6c - std::sys_common::backtrace::_print_fmt::h7f499fa126a7effb
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x557871116c6c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3e2b509ce2ce6007
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55787113f8ec - core::fmt::write::h753c7571fa063ecb
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/fmt/mod.rs:1168:17
[INFO] [stderr]      5:     0x557871112023 - std::io::Write::write_fmt::h2815c0519c99ba09
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/io/mod.rs:1660:15
[INFO] [stderr]      6:     0x557871119202 - std::sys_common::backtrace::_print::h64941a6fc8b0ed9b
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x557871119202 - std::sys_common::backtrace::print::hcf25e43e1a9b0766
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x557871119202 - std::panicking::default_hook::{{closure}}::h78d3e6cf97fc623d
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x557871118de5 - std::panicking::default_hook::hda898f8d3ad1a5ae
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x557871119853 - std::panicking::rust_panic_with_hook::h1a5ea2d6c23051aa
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x557871119570 - std::panicking::begin_panic_handler::{{closure}}::h07f549390938b73f
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x557871117114 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ec3758a92cfb00d
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x5578711192a9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x557870befa11 - core::panicking::panic_fmt::h3a79a6a99affe1d5
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:116:14
[INFO] [stderr]     15:     0x55787113ddd1 - core::panicking::panic_display::hc29862306554c215
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:72:5
[INFO] [stderr]     16:     0x55787113dd7b - core::panicking::panic_str::h87d368d82cdafdf2
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:56:5
[INFO] [stderr]     17:     0x557870bef906 - core::option::expect_failed::h66ffaa181a3386cd
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/option.rs:1817:5
[INFO] [stderr]     18:     0x557870c72008 - core::option::Option<T>::expect::h65a9bfb12433e1a3
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/option.rs:692:21
[INFO] [stderr]     19:     0x557870bf596a - build_script_build::main::h4d357e4bf293b579
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wrflib_cef_sys-0.0.3/build.rs:51:22
[INFO] [stderr]     20:     0x557870bf8afb - core::ops::function::FnOnce::call_once::hfa4fb16b4368edab
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     21:     0x557870bf78de - std::sys_common::backtrace::__rust_begin_short_backtrace::h89355109f368aaf0
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     22:     0x557870bfcb51 - std::rt::lang_start::{{closure}}::h9143bc20bb58f793
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:145:18
[INFO] [stderr]     23:     0x557871116320 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h443f738a8e9f947a
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     24:     0x557871116320 - std::panicking::try::do_call::h1e21ba261ba489ec
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40
[INFO] [stderr]     25:     0x557871116320 - std::panicking::try::h6afd48af8b6c96ac
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19
[INFO] [stderr]     26:     0x557871116320 - std::panic::catch_unwind::h85dd95e0bab7fb60
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14
[INFO] [stderr]     27:     0x557871116320 - std::rt::lang_start_internal::{{closure}}::h038455e697c8b03e
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:128:48
[INFO] [stderr]     28:     0x557871116320 - std::panicking::try::do_call::h6b0ad65979f3077a
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40
[INFO] [stderr]     29:     0x557871116320 - std::panicking::try::h010108d314169ac6
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19
[INFO] [stderr]     30:     0x557871116320 - std::panic::catch_unwind::hff397f912b1535c2
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14
[INFO] [stderr]     31:     0x557871116320 - std::rt::lang_start_internal::h52e73755f77c7dd9
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:128:20
[INFO] [stderr]     32:     0x557870bfcb20 - std::rt::lang_start::h55dbf817e2e6f4a9
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:144:17
[INFO] [stderr]     33:     0x557870bf6cac - main
[INFO] [stderr]     34:     0x7ffa592c30b3 - __libc_start_main
[INFO] [stderr]     35:     0x557870bf01ae - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "98b3406f67158d627afb729aca4ead9cd72e96633fcca4ab097973f6c96e608b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b3406f67158d627afb729aca4ead9cd72e96633fcca4ab097973f6c96e608b", kill_on_drop: false }`
[INFO] [stdout] 98b3406f67158d627afb729aca4ead9cd72e96633fcca4ab097973f6c96e608b