[INFO] fetching crate browser-window 0.5.6...
[INFO] documenting browser-window-0.5.6 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate browser-window 0.5.6 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate browser-window 0.5.6 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate browser-window 0.5.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate browser-window 0.5.6
[INFO] tweaked toml for crates.io crate browser-window 0.5.6 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate browser-window 0.5.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb3c90bd9129f16d5953bc078d3cf50541ccb072981dc679436c517d545141f5
[INFO] running `Command { std: "docker" "start" "-a" "fb3c90bd9129f16d5953bc078d3cf50541ccb072981dc679436c517d545141f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb3c90bd9129f16d5953bc078d3cf50541ccb072981dc679436c517d545141f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3c90bd9129f16d5953bc078d3cf50541ccb072981dc679436c517d545141f5", kill_on_drop: false }`
[INFO] [stdout] fb3c90bd9129f16d5953bc078d3cf50541ccb072981dc679436c517d545141f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 709d3039bc50449e8f417c2fdb1835e4080a653cc55d79c5326e2674fbc3ac7f
[INFO] running `Command { std: "docker" "start" "-a" "709d3039bc50449e8f417c2fdb1835e4080a653cc55d79c5326e2674fbc3ac7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking unsafe-send-sync v0.1.0
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.1.1
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling browser-window-c v0.0.6
[INFO] [stderr] error: failed to run custom build command for `browser-window-c v0.0.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/browser-window-c-333987664cdfdb9d/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=CEF_PATH
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/bool.h
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/cef.h
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/impl.h
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/cef.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/lib.rs
[INFO] [stderr]   cargo:rerun-if-changed=src/window/cef.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/gtk.c
[INFO] [stderr]   cargo:rerun-if-changed=src/window/impl.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/win32.c
[INFO] [stderr]   cargo:rerun-if-changed=src/window/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/window/gtk.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/win32.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/cef.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/string.h
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface/glx.c
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface/impl.h
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/common.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef_window.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/gtk.c
[INFO] [stderr]   cargo:rerun-if-changed=src/application/impl.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/win32.c
[INFO] [stderr]   cargo:rerun-if-changed=src/application/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/application/gtk.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/win32.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef_window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/assert.h
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface.h
[INFO] [stderr]   cargo:rerun-if-changed=src/debug.h
[INFO] [stderr]   cargo:rerun-if-changed=src/err.h
[INFO] [stderr]   cargo:rerun-if-changed=src/win32.c
[INFO] [stderr]   cargo:rerun-if-changed=src/err.c
[INFO] [stderr]   cargo:rerun-if-changed=src/dummy_bindings.rs
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/client_handler.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/exception.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/bw_handle_map.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/v8_to_string.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/external_invocation_handler.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/util.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/app_handler.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/bw_handle_map.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/exception.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/client_handler.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/util.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/win32.h
[INFO] [stderr]   cargo:rerun-if-changed=src/bindings.rs
[INFO] [stderr]   cargo:rerun-if-changed=src/win32/window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/posix.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application.h
[INFO] [stderr]   cargo:rerun-if-changed=src/string.c
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Environment variable CEF_PATH is not set! This is needed by Browser Window to find CEF's development files. See https://github.com/bamilab/browser-window/tree/master/docs/getting-started for more information.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/browser-window-c-0.0.6/build.rs:147:29
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x556b3c289660 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x556b3c289660 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x556b3c289660 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x556b3c289660 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x556b3c2af0fc - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x556b3c285d65 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x556b3c28b97b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x556b3c28b97b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x556b3c28b97b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x556b3c28b451 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x556b3c28c044 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x556b3c052283 - std::panicking::begin_panic::{{closure}}::h983437847536bc9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x556b3c06c2c9 - std::sys_common::backtrace::__rust_end_short_backtrace::h27cc55ee3adceb15
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x556b3c0521b9 - std::panicking::begin_panic::ha0e81e39e7456ccb
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x556b3bcf40d5 - build_script_build::main::h0016730c046ce7bc
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/browser-window-c-0.0.6/build.rs:147:8
[INFO] [stderr]     15:     0x556b3bcf5d2b - core::ops::function::FnOnce::call_once::h8393a60b050359df
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x556b3bcf7d0e - std::sys_common::backtrace::__rust_begin_short_backtrace::h054f5112e1eca2ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x556b3bcf62f1 - std::rt::lang_start::{{closure}}::h9ca9bf0f2f91889a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     18:     0x556b3c28c549 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x556b3c28c549 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     20:     0x556b3c28c549 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     21:     0x556b3c28c549 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     22:     0x556b3c28c549 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     23:     0x556b3bcf62d0 - std::rt::lang_start::h606b8fba777b9414
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     24:     0x556b3bcf513c - main
[INFO] [stderr]     25:     0x7f5b1930c0b3 - __libc_start_main
[INFO] [stderr]     26:     0x556b3bcf212e - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "709d3039bc50449e8f417c2fdb1835e4080a653cc55d79c5326e2674fbc3ac7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709d3039bc50449e8f417c2fdb1835e4080a653cc55d79c5326e2674fbc3ac7f", kill_on_drop: false }`
[INFO] [stdout] 709d3039bc50449e8f417c2fdb1835e4080a653cc55d79c5326e2674fbc3ac7f
