[INFO] fetching crate browser-window-core 0.0.4...
[INFO] checking browser-window-core-0.0.4 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate browser-window-core 0.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate browser-window-core 0.0.4 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate browser-window-core 0.0.4
[INFO] finished tweaking crates.io crate browser-window-core 0.0.4
[INFO] tweaked toml for crates.io crate browser-window-core 0.0.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fc4e03269cc1b95451cbe76af2c6cea519db69a8b8d0a302aa18f6ea4b9acf3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9fc4e03269cc1b95451cbe76af2c6cea519db69a8b8d0a302aa18f6ea4b9acf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fc4e03269cc1b95451cbe76af2c6cea519db69a8b8d0a302aa18f6ea4b9acf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc4e03269cc1b95451cbe76af2c6cea519db69a8b8d0a302aa18f6ea4b9acf3", kill_on_drop: false }`
[INFO] [stdout] 9fc4e03269cc1b95451cbe76af2c6cea519db69a8b8d0a302aa18f6ea4b9acf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b82d5d9417c7c5e33fcc771ba9e475738d269b229d89214746a96e97b357f5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9b82d5d9417c7c5e33fcc771ba9e475738d269b229d89214746a96e97b357f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[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-7f4e2fd751930b9a/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/bool.h
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/cef.h
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/cef.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/browser_window/impl.h
[INFO] [stderr]   cargo:rerun-if-changed=src/err.h
[INFO] [stderr]   cargo:rerun-if-changed=src/string.c
[INFO] [stderr]   cargo:rerun-if-changed=src/lib.rs
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/win32.c
[INFO] [stderr]   cargo:rerun-if-changed=src/win32/window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface/glx.c
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/gl_surface/impl.h
[INFO] [stderr]   cargo:rerun-if-changed=src/assert.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/cef.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/gtk.h
[INFO] [stderr]   cargo:rerun-if-changed=src/window/win32.c
[INFO] [stderr]   cargo:rerun-if-changed=src/window/cef.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/window/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/window/win32.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/application/cef.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef_window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/gtk.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application/win32.c
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef_window.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/application/cef.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/application/common.c
[INFO] [stderr]   cargo:rerun-if-changed=src/application/win32.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/browser_window.h
[INFO] [stderr]   cargo:rerun-if-changed=src/common.h
[INFO] [stderr]   cargo:rerun-if-changed=src/debug.h
[INFO] [stderr]   cargo:rerun-if-changed=src/win32.h
[INFO] [stderr]   cargo:rerun-if-changed=src/posix.h
[INFO] [stderr]   cargo:rerun-if-changed=src/application.h
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/util.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/bw_handle_map.hpp
[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/external_invocation_handler.hpp
[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/app_handler.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/util.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/bw_handle_map.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/cef/v8_to_string.hpp
[INFO] [stderr]   cargo:rerun-if-changed=src/dummy_bindings.rs
[INFO] [stderr]   cargo:rerun-if-changed=src/string.h
[INFO] [stderr]   cargo:rerun-if-changed=src/bindings.rs
[INFO] [stderr]   cargo:rerun-if-changed=src/err.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:     0x55af312da720 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55af312da720 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55af312da720 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55af312da720 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he40bcdde3c4491cd
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55af3130060f - core::fmt::write::h2c729149c08098ab
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55af312d6ee5 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/io/mod.rs:1580:15
[INFO] [stderr]      6:     0x55af312dc94b - std::sys_common::backtrace::_print::h7f0223b1e3d898fc
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55af312dc94b - std::sys_common::backtrace::print::h58edd634a14c2d4c
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55af312dc94b - std::panicking::default_hook::{{closure}}::h71657a7591430164
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55af312dc42d - std::panicking::default_hook::hcdf4eb5db072c85b
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55af312dcefd - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55af30db8033 - std::panicking::begin_panic::{{closure}}::h294120363e29b5d6
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:520:9
[INFO] [stderr]     12:     0x55af30d9e739 - std::sys_common::backtrace::__rust_end_short_backtrace::h71e7bbc75ba24bf8
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55af30db7f69 - std::panicking::begin_panic::h79faf6fb4d997cc8
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:519:12
[INFO] [stderr]     14:     0x55af30d55cba - build_script_build::main::hed1cd12e40656ca7
[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:     0x55af30d5794b - core::ops::function::FnOnce::call_once::hc368215a3ab7950d
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x55af30d59b8e - std::sys_common::backtrace::__rust_begin_short_backtrace::h2611f6c414f6ab78
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x55af30d580c1 - std::rt::lang_start::{{closure}}::heaf1407ad0ba2958
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:66:18
[INFO] [stderr]     18:     0x55af312dd2fa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd5953dadf0bc8f54
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x55af312dd2fa - std::panicking::try::do_call::h23b369f1996fb7d4
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:379:40
[INFO] [stderr]     20:     0x55af312dd2fa - std::panicking::try::he017ee9ed6bce192
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:343:19
[INFO] [stderr]     21:     0x55af312dd2fa - std::panic::catch_unwind::hbfb892340a78b30d
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panic.rs:431:14
[INFO] [stderr]     22:     0x55af312dd2fa - std::rt::lang_start_internal::hce6e4c0ce56abb51
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:51:25
[INFO] [stderr]     23:     0x55af30d580a0 - std::rt::lang_start::h7d995c5e484a69e8
[INFO] [stderr]                                  at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:65:5
[INFO] [stderr]     24:     0x55af30d56e6c - main
[INFO] [stderr]     25:     0x7f5bf16360b3 - __libc_start_main
[INFO] [stderr]     26:     0x55af30d53eae - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a9b82d5d9417c7c5e33fcc771ba9e475738d269b229d89214746a96e97b357f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b82d5d9417c7c5e33fcc771ba9e475738d269b229d89214746a96e97b357f5", kill_on_drop: false }`
[INFO] [stdout] a9b82d5d9417c7c5e33fcc771ba9e475738d269b229d89214746a96e97b357f5